The Depot Application

The Depot Application

Table of Contents

Development Log

ruby /home/rubys/git/rails/railties/bin/rails -v
Rails 2.3.2
ruby -v
ruby 1.8.6 (2007-09-24 patchlevel 111) [i486-linux]
gem -v
1.3.3

4 Instant Gratification

erb -r rubygems -r active_support -T - < /home/rubys/git/awdwr/data/code/erb/ex1.html.erb |  
       sed 's/<!--.*-->//'
<ul>
  <li>Addition: 3 </li>
  <li>Concatenation: cowboy </li>
  <li>Time in one hour:  Wed May 27 23:46:43 -0400 2009 </li>
</ul>
erb -r rubygems -r active_support -T - < /home/rubys/git/awdwr/data/code/erb/ex2.html.erb | 
       sed 's/<!--.*-->//'
 
Ho!<br />
 
Ho!<br />
 
Ho!<br />
 
Merry Christmas!
erb -r rubygems -r active_support -T - < /home/rubys/git/awdwr/data/code/erb/ex2a.html.erb | 
       sed 's/<!--.*-->//'
Ho!<br />
Ho!<br />
Ho!<br />
 
Merry Christmas!
sed 's/-%>\n/%>/' < /home/rubys/git/awdwr/data/code/erb/ex2b.html.erb |  
       erb -r rubygems -r active_support -T - |
       sed 's/<!--.*-->//'
Ho!<br />
Ho!<br />
Ho!<br />
Merry Christmas!

6.1 Iteration A1: Getting Something Running

ruby /home/rubys/git/rails/railties/bin/rails depot
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
edit config/environments/development.rb
# Settings specified here will take precedence over those in config/environment.rb
 
# In the development environment your application's code is reloaded on
# every request.  This slows down response time but is perfect for development
# since you don't have to restart the webserver when you make code changes.
config.cache_classes = false
 
# Log error messages when you accidentally call methods on nil.
config.whiny_nils = true
 
# Show full error reports and disable caching
config.action_controller.consider_all_requests_local = true
config.action_view.debug_rjs                         = true
config.action_controller.perform_caching             = false
 
# Don't care if the mailer can't send
config.action_mailer.raise_delivery_errors = false
 
config.logger = Logger.new(config.log_path, 2, 10.kilobytes)

6.2 Creating the Products Model and Maintenance Application

Expected at least 1 element matching "th", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:98
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_6.2_Creating_the_Products_Model_and_Maintenance_Application'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ls -p
app/
config/
db/
doc/
lib/
log/
public/
Rakefile
README
script/
test/
tmp/
vendor/
ruby script/generate scaffold product title:string description:text image_url:string
      exists  app/models/
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/products
      exists  app/views/layouts/
      exists  test/functional/
      exists  test/unit/
      create  test/unit/helpers/
      exists  public/stylesheets/
      create  app/views/products/index.html.erb
      create  app/views/products/show.html.erb
      create  app/views/products/new.html.erb
      create  app/views/products/edit.html.erb
      create  app/views/layouts/products.html.erb
      create  public/stylesheets/scaffold.css
      create  app/controllers/products_controller.rb
      create  test/functional/products_controller_test.rb
      create  app/helpers/products_helper.rb
      create  test/unit/helpers/products_helper_test.rb
       route  map.resources :products
  dependency  model
      exists    app/models/
      exists    test/unit/
      exists    test/fixtures/
      create    app/models/product.rb
      create    test/unit/product_test.rb
      create    test/fixtures/products.yml
      create    db/migrate
      create    db/migrate/20090528024647_create_products.rb
rake db:migrate
mv 20090528024647_create_products.rb 20080601000001_create_products.rb
(in /home/rubys/git/awdwr/work/depot)
==  CreateProducts: migrating =================================================
-- create_table(:products)
   -> 0.0020s
==  CreateProducts: migrated (0.0021s) ========================================
 
sqlite3> select version from schema_migrations
version = 20080601000001

restart

edit app/views/products/new.html.erb
<h1>New product</h1>
 
<% form_for(@product) do |f| %>
  <%= f.error_messages %>
 
  <p>
    <%= f.label :title %><br />
    <%= f.text_field :title %>
  </p>
  <p>
    <%= f.label :description %><br />
    <%= f.text_area :description, :rows => 6 %>
  </p>
  <p>
    <%= f.label :image_url %><br />
    <%= f.text_field :image_url %>
  </p>
  <p>
    <%= f.submit 'Create' %>
  </p>
<% end %>
 
<%= link_to 'Back', products_path %>
get /products

Routing Error

No route matches "products" with {:method=>:get}
get /products/new

Routing Error

No route matches "products/new" with {:method=>:get}
get /products

Routing Error

No route matches "products" with {:method=>:get}
sqlite3 db/development.sqlite3 .schema
CREATE TABLE "products" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "title" varchar(255), "description" text, "image_url" varchar(255), "created_at" datetime, "updated_at" datetime);
CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
rake test
(in /home/rubys/git/awdwr/work/depot)
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/unit/helpers/products_helper_test.rb" "test/unit/product_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.
Finished in 0.083812 seconds.
 
1 tests, 1 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/functional/products_controller_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.......
Finished in 0.127495 seconds.
 
7 tests, 10 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"  

6.3 Iteration A2: Add a Missing Column

Expected at least 1 element matching "th", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:109
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_6.3_Iteration_A2:_Add_a_Missing_Column'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate migration add_price_to_product price:decimal
      exists  db/migrate
      create  db/migrate/20090528024701_add_price_to_product.rb
cat db/migrate/20090528024701_add_price_to_product.rb
class AddPriceToProduct < ActiveRecord::Migration
  def self.up
    add_column :products, :price, :decimal
  end
 
  def self.down
    remove_column :products, :price
  end
end
edit db/migrate/20090528024701_add_price_to_product.rb
class AddPriceToProduct < ActiveRecord::Migration
  def self.up
    add_column :products, :price, :decimal,
      :precision => 8, :scale => 2, :default => 0
  end
 
  def self.down
    remove_column :products, :price
  end
end
rake db:migrate
mv 20090528024701_add_price_to_product.rb 20080601000002_add_price_to_product.rb
(in /home/rubys/git/awdwr/work/depot)
==  AddPriceToProduct: migrating ==============================================
-- add_column(:products, :price, :decimal, {:precision=>8, :default=>0, :scale=>2})
   -> 0.0011s
==  AddPriceToProduct: migrated (0.0013s) =====================================
 
sqlite3 db/development.sqlite3 .schema
CREATE TABLE "products" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "title" varchar(255), "description" text, "image_url" varchar(255), "created_at" datetime, "updated_at" datetime, "price" decimal(8,2) DEFAULT 0);
CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
edit app/views/products/index.html.erb
<h1>Listing products</h1>
 
<table>
  <tr>
    <th>Title</th>
    <th>Description</th>
    <th>Image url</th>
    <th>Price</th>
  </tr>
 
<% @products.each do |product| %>
  <tr>
    <td><%=h product.title %></td>
    <td><%=h product.description %></td>
    <td><%=h product.image_url %></td>
    <td><%=h product.price %></td>
    <td><%= link_to 'Show', product %></td>
    <td><%= link_to 'Edit', edit_product_path(product) %></td>
    <td><%= link_to 'Destroy', product, :confirm => 'Are you sure?',
                                        :method => :delete %></td>
  </tr>
<% end %>
</table>
 
<br />
 
<%= link_to 'New product', new_product_path %>
edit app/views/products/new.html.erb
<h1>New product</h1>
 
<% form_for(@product) do |f| %>
  <%= f.error_messages %>
 
  <p>
    <%= f.label :title %><br />
    <%= f.text_field :title %>
  </p>
  <p>
    <%= f.label :description %><br />
    <%= f.text_area :description, :rows => 6 %>
  </p>
  <p>
    <%= f.label :image_url %><br />
    <%= f.text_field :image_url %>
  </p>
  <p>
    <%= f.label :price %><br />
    <%= f.text_field :price %>
  </p>
 
  <p>
    <%= f.submit 'Create' %>
  </p>
<% end %>
 
<%= link_to 'Back', products_path %>
edit app/views/products/edit.html.erb
<h1>Editing product</h1>
 
<% form_for(@product) do |f| %>
  <%= f.error_messages %>
 
  <p>
    <%= f.label :title %><br />
    <%= f.text_field :title %>
  </p>
  <p>
    <%= f.label :description %><br />
    <%= f.text_area :description %>
  </p>
  <p>
    <%= f.label :image_url %><br />
    <%= f.text_field :image_url %>
  </p>
  <p>
    <%= f.label :price %><br />
    <%= f.text_field :price %>
  </p>
 
  <p>
    <%= f.submit 'Update' %>
  </p>
<% end %>
 
<%= link_to 'Show', @product %> |
<%= link_to 'Back', products_path %>
edit app/views/products/show.html.erb
<p>
  <b>Title:</b>
  <%=h @product.title %>
</p>
 
<p>
  <b>Description:</b>
  <%=h @product.description %>
</p>
 
<p>
  <b>Image url:</b>
  <%=h @product.image_url %>
</p>
 
<p>
  <b>Price:</b>
  <%=h @product.price %>
</p>
 
<%= link_to 'Edit', edit_product_path(@product) %> |
<%= link_to 'Back', products_path %>
get /products

Routing Error

No route matches "products" with {:method=>:get}
get /products/1

Routing Error

No route matches "products/1" with {:method=>:get}
get /products/new

Routing Error

No route matches "products/new" with {:method=>:get}
rake test
(in /home/rubys/git/awdwr/work/depot)
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/unit/helpers/products_helper_test.rb" "test/unit/product_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.
Finished in 0.086832 seconds.
 
1 tests, 1 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/functional/products_controller_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.......
Finished in 0.266697 seconds.
 
7 tests, 10 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"  
edit app/views/products/show.html.erb
<p>
  <b>Title:</b>
  <%=h @product.title %>
</p>
 
<p>
  <b>Description:</b>
  <%= @product.description %>
</p>
 
<p>
  <b>Image url:</b>
  <%=h @product.image_url %>
</p>
 
<p>
  <b>Price:</b>
  <%=h @product.price %>
</p>
 
<%= link_to 'Edit', edit_product_path(@product) %> |
<%= link_to 'Back', products_path %>
get /products/1

Routing Error

No route matches "products/1" with {:method=>:get}

6.4 Iteration A3: Validate!

<"3 errors prohibited this product from being saved"> expected but was
<"6.4 Iteration A3: Validate!">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:114
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_6.4_Iteration_A3:_Validate!'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/models/product.rb
class Product < ActiveRecord::Base
  validates_presence_of :title, :description, :image_url
  validates_numericality_of :price
  validate :price_must_be_at_least_a_cent
  validates_uniqueness_of :title
  validates_format_of :image_url, :allow_blank => true,
                      :with    => %r{\.(gif|jpg|png)$}i,
                      :message => 'must be a URL for GIF, JPG ' +
                                  'or PNG image.'

    
protected
  def price_must_be_at_least_a_cent
    errors.add(:price, 'should be at least 0.01') if price.nil? ||
                       price < 0.00
  end

    
end
get /products/new

Routing Error

No route matches "products/new" with {:method=>:get}
get /products/new

Routing Error

No route matches "products/new" with {:method=>:get}
edit app/models/product.rb
class Product < ActiveRecord::Base
  validates_presence_of :title, :description, :image_url
  validates_numericality_of :price
  validate :price_must_be_at_least_a_cent
  validates_uniqueness_of :title
  validates_format_of :image_url,
                      :with    => %r{\.(gif|jpg|png)$}i,
                      :message => 'must be a URL for GIF, JPG ' +
                                  'or PNG image.'
 
protected
  def price_must_be_at_least_a_cent
    errors.add(:price, 'should be at least 0.01') if price.nil? ||
                       price < 0.01
  end
 
end
edit app/views/layouts/products.html.erb

6.5 Iteration A4: Making Prettier Listings

Expected at least 1 element matching ".list-line-even", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:121
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_6.5_Iteration_A4:_Prettier_Listings'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit db/migrate/003_add_test_data.rb
class AddTestData < ActiveRecord::Migration
  def self.up
    Product.delete_all
    Product.create(:title => 'Pragmatic Version Control',
      :description =>
      %{<p>
         This book is a recipe-based approach to using Subversion that will 
         get you up and running quickly---and correctly. All projects need
         version control: it's a foundational piece of any project's 
         infrastructure. Yet half of all project teams in the U.S. don't use
         any version control at all. Many others don't use it well, and end 
         up experiencing time-consuming problems.
      </p>},
    :image_url => '/images/svn.jpg',
    :price => 28.50)
    # . . .
  end

    
  def self.down
    Product.delete_all
  end
end
rake db:migrate
mv 003_add_test_data.rb 20080601000003_add_test_data.rb
(in /home/rubys/git/awdwr/work/depot)
==  AddTestData: migrating ====================================================
==  AddTestData: migrated (0.0314s) ===========================================
 
edit app/views/layouts/products.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <meta http-equiv="content-type" content="text/html;charset=UTF-8" />
  <title>Products: <%= controller.action_name %></title>
  <%= stylesheet_link_tag 'scaffold', 'depot' %>
</head>
edit app/views/products/index.html.erb
<div id="product-list">
  <h1>Listing products</h1>
 
  <table>
  <% for product in @products %>
    <tr class="<%= cycle('list-line-odd', 'list-line-even') %>">
 
      <td>
        <%= image_tag product.image_url, :class => 'list-image' %>
      </td>
 
      <td class="list-description">
        <dl>
          <dt><%=h product.title %></dt>
          <dd><%=h truncate(product.description.gsub(/<.*?>/,''),
                 :length => 80) %></dd>
        </dl>
      </td>
 
      <td class="list-actions">
        <%= link_to 'Show', product %><br/>
        <%= link_to 'Edit', edit_product_path(product) %><br/>
        <%= link_to 'Destroy', product, 
                    :confirm => 'Are you sure?',
                    :method => :delete %>
      </td>
    </tr>
  <% end %>
  </table>
</div>
 
<br />
 
<%= link_to 'New product', new_product_path %>
cp -v /home/rubys/git/awdwr/data/images/* public/images/
`/home/rubys/git/awdwr/data/images/auto.jpg' -> `public/images/auto.jpg'
`/home/rubys/git/awdwr/data/images/logo.png' -> `public/images/logo.png'
`/home/rubys/git/awdwr/data/images/rails.png' -> `public/images/rails.png'
`/home/rubys/git/awdwr/data/images/svn.jpg' -> `public/images/svn.jpg'
`/home/rubys/git/awdwr/data/images/utc.jpg' -> `public/images/utc.jpg'
cp -v /home/rubys/git/awdwr/data/depot.css public/stylesheets
`/home/rubys/git/awdwr/data/depot.css' -> `public/stylesheets/depot.css'
get /products

Routing Error

No route matches "products" with {:method=>:get}

7.1 Iteration B1: Create the Catalog Listing

<"Find me in app/views/store/index.html.erb"> expected but was
<"">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:125
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_7.1_Iteration_B1:_Create_the_Catalog_Listing'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate controller store index
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/store
      exists  test/functional/
      exists  test/unit/helpers/
      create  app/controllers/store_controller.rb
      create  test/functional/store_controller_test.rb
      create  app/helpers/store_helper.rb
      create  test/unit/helpers/store_helper_test.rb
      create  app/views/store/index.html.erb

restart

get /store

Routing Error

No route matches "store" with {:method=>:get}
edit app/controllers/store_controller.rb
class StoreController < ApplicationController
  def index
    @products = Product.find_products_for_sale
  end
 
end
edit app/models/product.rb
class Product < ActiveRecord::Base
 
  def self.find_products_for_sale
    find(:all, :order => "title")
  end
 
  # validation stuff...
 
 
  validates_presence_of :title, :description, :image_url
  validates_numericality_of :price
  validate :price_must_be_at_least_a_cent
  validates_uniqueness_of :title
  validates_format_of :image_url,
                      :with    => %r{\.(gif|jpg|png)$}i,
                      :message => 'must be a URL for GIF, JPG ' +
                                  'or PNG image.'
 
protected
  def price_must_be_at_least_a_cent
    errors.add(:price, 'should be at least 0.01') if price.nil? ||
                       price < 0.01
  end
 
end
edit app/views/store/index.html.erb
<h1>Your Pragmatic Catalog</h1>

    
<% for product in @products -%>
  <div class="entry">
    <%= image_tag(product.image_url) %>
    <h3><%=h product.title %></h3>
    <%= product.description %>
    <div class="price-line">
    <span class="price"><%= product.price %></span>
    </div>
  </div>
<% end %>
get /store

Routing Error

No route matches "store" with {:method=>:get}

7.2 Iteration B2: Add a Page Layout

Expected at least 1 element matching "#banner", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:131
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_7.2_Iteration_B2:_Add_a_Page_Layout'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/views/layouts/store.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
  <title>Pragprog Books Online Store</title>
  <%= stylesheet_link_tag "depot", :media => "all" %><!-- <label id="code.slt"/> -->
</head>
<body id="store">
  <div id="banner">
    <%= image_tag("logo.png") %>
    <%= @page_title || "Pragmatic Bookshelf" %><!-- <label id="code.depot.e.title"/> -->
  </div>
  <div id="columns">
    <div id="side">
      <a href="http://www....">Home</a><br />
      <a href="http://www..../faq">Questions</a><br />
      <a href="http://www..../news">News</a><br />
      <a href="http://www..../contact">Contact</a><br />
    </div>
    <div id="main">
      <%= yield :layout %><!-- <label id="code.depot.e.include"/> -->
    </div>
  </div>
</body>
</html>
edit public/stylesheets/depot.css
/* Styles for main page */
 
#banner {
  background: #9c9;
  padding-top: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid;
  font: small-caps 40px/40px "Times New Roman", serif;
  color: #282;
  text-align: center;
}
 
#banner img {
  float: left;
}
 
#columns {
  background: #141;
}
 
#main {
  margin-left: 13em;
  padding-top: 4ex;
  padding-left: 2em;
  background: white;
}
 
#side {
  float: left;
  padding-top: 1em;
  padding-left: 1em;
  padding-bottom: 1em;
  width: 12em;
  background: #141;
}
 
#side a {
  color: #bfb;
  font-size: small;
}
get /store

Routing Error

No route matches "store" with {:method=>:get}

7.3 Iteration B3: Use a Helper to Format the Price

Expected at least 1 element matching "span.price", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:135
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_7.3_Iteration_B3:_Use_a_Helper_to_Format_the_Price'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/views/store/index.html.erb
<h1>Your Pragmatic Catalog</h1>
 
<% for product in @products -%>
  <div class="entry">
    <%= image_tag(product.image_url) %>
    <h3><%=h product.title %></h3>
    <%= product.description %>
    <div class="price-line">
    <span class="price"><%= number_to_currency(product.price) %></span>
    </div>
  </div>
<% end %>
get /store

Routing Error

No route matches "store" with {:method=>:get}

7.4 Iteration B4: Linking to the Cart

Expected at least 1 element matching "input[type='submit'][value='Add to Cart']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:139
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_7.4_Iteration_B4:_Linking_to_the_Cart'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/views/store/index.html.erb
    <%= button_to "Add to Cart" %>
edit public/stylesheets/depot.css
#store .entry form, #store .entry form div {
  display: inline;
}
get /store

Routing Error

No route matches "store" with {:method=>:get}

8.1 Sessions

rake db:sessions:create
(in /home/rubys/git/awdwr/work/depot)
      exists  db/migrate
      create  db/migrate/20090528024722_create_sessions.rb
rake db:migrate
mv 20090528024722_create_sessions.rb 20080601000004_create_sessions.rb
(in /home/rubys/git/awdwr/work/depot)
==  CreateSessions: migrating =================================================
-- create_table(:sessions)
   -> 0.0019s
-- add_index(:sessions, :session_id)
   -> 0.0006s
-- add_index(:sessions, :updated_at)
   -> 0.0004s
==  CreateSessions: migrated (0.0032s) ========================================
 
sqlite3 db/development.sqlite3 .schema
CREATE TABLE "products" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "title" varchar(255), "description" text, "image_url" varchar(255), "created_at" datetime, "updated_at" datetime, "price" decimal(8,2) DEFAULT 0);
CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
CREATE TABLE "sessions" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "session_id" varchar(255) NOT NULL, "data" text, "created_at" datetime, "updated_at" datetime);
CREATE INDEX "index_sessions_on_session_id" ON "sessions" ("session_id");
CREATE INDEX "index_sessions_on_updated_at" ON "sessions" ("updated_at");
CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
edit config/initializers/session_store.rb
# Be sure to restart your server when you modify this file.
 
# Your secret key for verifying cookie session data integrity.
# If you change this key, all old sessions will become invalid!
# Make sure the secret is at least 30 characters and all random, 
# no regular words or you'll be exposed to dictionary attacks.
ActionController::Base.session = {
  :key         => '_depot_session',
  :secret      => '7967bbd06526e59e35adc866a897344e35ce74070463fb007bddd4c50aac13288efea120dba594f48c31f6d8c55d4c7e0845fd57654f46a93705c926fd601f7d'
}
 
# Use the database for sessions instead of the cookie-based default,
# which shouldn't be used to store highly confidential information
# (create the session table with "rake db:sessions:create")
ActionController::Base.session_store = :active_record_store

restart

edit app/controllers/application_controller.rb
# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
 
class ApplicationController < ActionController::Base
  helper :all # include all helpers, all the time
  protect_from_forgery # See ActionController::RequestForgeryProtection for details
 
  # Scrub sensitive parameters from your log
  # filter_parameter_logging :password
end
edit app/controllers/store_controller.rb
private
 
  def find_cart
    session[:cart] ||= Cart.new
  end

8.2 Iteration C1: Creating a Cart

</Missing template store\/add_to_cart/> expected but was
<"  end">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:147
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_8.2_Iteration_C1:_Creating_a_Cart'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/models/cart.rb
class Cart
  attr_reader :items   # <wtf linkend="wtf.attr.accessor">attr_reader</wtf>
  
  def initialize
    @items = []
  end
  
  def add_product(product)
    @items << product
  end
end
edit app/views/store/index.html.erb
    <%= button_to "Add to Cart", :action => 'add_to_cart', :id => product %>
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id]) # <label id="code.depot.f.find"/>
    @cart = find_cart                   # <label id="code.depot.f.find2"/>
    @cart.add_product(product)          # <label id="code.depot.f.add"/>
  end
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
edit app/views/store/add_to_cart.html.erb
<h2>Your Pragmatic Cart</h2>
<ul>
  <% for item in @cart.items %>
    <li><%=h item.title %></li>
  <% end %>
</ul>
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
get /store/add_to_cart/3

Routing Error

No route matches "store/add_to_cart/3" with {:method=>:get}

8.3 Iteration C2: Creating a Smarter Cart

</NoMethodError/> expected but was
<"  def add_product(product)">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:153
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_8.3_Iteration_C2:_A_Smarter_Cart'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/models/cart_item.rb
class CartItem

    
  attr_reader :product, :quantity
  
  def initialize(product)
    @product = product
    @quantity = 1
  end
  
  def increment_quantity
    @quantity += 1
  end
  
  def title
    @product.title
  end
  
  def price
    @product.price * @quantity
  end
end
edit app/models/cart.rb
  def add_product(product)
    current_item = @items.find {|item| item.product == product}
    if current_item
      current_item.increment_quantity
    else
      @items << CartItem.new(product)
    end
  end
edit app/views/store/add_to_cart.html.erb
<h2>Your Pragmatic Cart</h2>
<ul>
  <% for item in @cart.items %>
    <li><%= item.quantity %> &times; <%=h item.title %></li>
  <% end %>
</ul>
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
rake db:sessions:clear
(in /home/rubys/git/awdwr/work/depot)

restart

get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
get /store/add_to_cart/3

Routing Error

No route matches "store/add_to_cart/3" with {:method=>:get}
get /store/add_to_cart/wibble

Routing Error

No route matches "store/add_to_cart/wibble" with {:method=>:get}

8.4 Iteration C3: Handling Errors

Expected at least 1 element matching "a[href='http://127.0.0.1:3000/store']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:160
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_8.4_Iteration_C3:_Handling_Errors'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @cart.add_product(product)
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    flash[:notice] = "Invalid product"
    redirect_to :action => 'index'
  end
get /store/add_to_cart/wibble

Routing Error

No route matches "store/add_to_cart/wibble" with {:method=>:get}
tail -17 log/development.log
  /usr/lib/ruby/1.8/mongrel.rb:268:in `run'
  makedepot.rb:2334:in `restart_server'
  makedepot.rb:421
  makedepot.rb:2413:in `call'
  makedepot.rb:2413
  makedepot.rb:2409:in `each'
  makedepot.rb:2409
  /usr/lib/ruby/1.8/builder/xmlbase.rb:133:in `call'
  /usr/lib/ruby/1.8/builder/xmlbase.rb:133:in `_nested_structures'
  /usr/lib/ruby/1.8/builder/xmlbase.rb:57:in `method_missing'
  makedepot.rb:2372
  /usr/lib/ruby/1.8/builder/xmlbase.rb:133:in `call'
  /usr/lib/ruby/1.8/builder/xmlbase.rb:133:in `_nested_structures'
  /usr/lib/ruby/1.8/builder/xmlbase.rb:57:in `method_missing'
  makedepot.rb:2345
 
 
edit app/views/layouts/store.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
  <title>Pragprog Books Online Store</title>
  <%= stylesheet_link_tag "depot", :media => "all" %>
</head>
<body id="store">
  <div id="banner">
    <%= image_tag("logo.png") %>
    <%= @page_title || "Pragmatic Bookshelf" %>
  </div>
  <div id="columns">
    <div id="side">
      <a href="http://www....">Home</a><br />
      <a href="http://www..../faq">Questions</a><br />
      <a href="http://www..../news">News</a><br />
      <a href="http://www..../contact">Contact</a><br />
    </div>
    <div id="main">
      <% if flash[:notice] -%>
        <div id="notice"><%= flash[:notice] %></div>
      <% end -%>

    
      <%= yield :layout %>
    </div>
  </div>
</body>
</html>
edit public/stylesheets/depot.css
#notice {
  border: 2px solid red;
  padding: 1em;
  margin-bottom: 2em;
  background-color: #f0f0f0;
  font: bold smaller sans-serif;
}
get /store/add_to_cart/wibble

Routing Error

No route matches "store/add_to_cart/wibble" with {:method=>:get}

8.5 Iteration C4: Finishing the Cart

Expected at least 1 element matching "#notice", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:166
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_8.5_Iteration_C4:_Finishing_the_Cart'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/views/store/add_to_cart.html.erb
<h2>Your Pragmatic Cart</h2>
<ul>
  <% for item in @cart.items %>
    <li><%= item.quantity %> &times; <%=h item.title %></li>
  <% end %>
</ul>

    
<%= button_to 'Empty cart', :action => 'empty_cart' %>
edit app/controllers/store_controller.rb
  def empty_cart
    session[:cart] = nil
    flash[:notice] = "Your cart is currently empty"
    redirect_to :action => 'index'
  end
get /store/empty_cart

Routing Error

No route matches "store/empty_cart" with {:method=>:get}
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @cart.add_product(product)
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
 
  def empty_cart
    session[:cart] = nil
    redirect_to_index("Your cart is currently empty")
  end
 
private
 
  def redirect_to_index(msg)
    flash[:notice] = msg
    redirect_to :action => 'index'
  end
edit app/views/store/add_to_cart.html.erb
<div class="cart-title">Your Cart</div>
<table>
  <% for item in @cart.items %>
    <tr>
      <td><%= item.quantity %>&times;</td>
      <td><%=h item.title %></td>
      <td class="item-price"><%= number_to_currency(item.price) %></td>
    </tr>
  <% end %>  
  
  <tr class="total-line">
    <td colspan="2">Total</td>
    <td class="total-cell"><%= number_to_currency(@cart.total_price) %></td>
  </tr>
 
</table>
  
<%= button_to "Empty cart", :action => :empty_cart %>
edit public/stylesheets/depot.css
/* Styles for the cart in the main page */
 
.cart-title {
  font: 120% bold;
}
 
.item-price, .total-line {
  text-align: right;
}
 
.total-line .total-cell {
  font-weight: bold;
  border-top: 1px solid #595;
}
edit app/models/cart.rb
class Cart
  attr_reader :items   # <wtf linkend="wtf.attr.accessor">attr_reader</wtf>
  
  def initialize
    @items = []
  end
  
  def add_product(product)
    current_item = @items.find {|item| item.product == product}
    if current_item
      current_item.increment_quantity
    else
      @items << CartItem.new(product)
    end
  end

    
  def total_price
    @items.sum { |item| item.price }
  end
end

restart

get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
get /store/add_to_cart/3

Routing Error

No route matches "store/add_to_cart/3" with {:method=>:get}

9.1 Iteration D1: Moving the Cart

Expected at least 1 element matching ".cart-title", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:172
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_9.1_Iteration_D1:_Moving_the_Cart'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/views/store/add_to_cart.html.erb
<div class="cart-title">Your Cart</div>
<table>
  <%= render(:partial => "cart_item", :collection => @cart.items) %>  
  
  <tr class="total-line">
    <td colspan="2">Total</td>
    <td class="total-cell"><%= number_to_currency(@cart.total_price) %></td>
  </tr>
 
</table>
  
<%= button_to "Empty cart", :action => :empty_cart %>
edit app/views/store/_cart_item.html.erb
<tr>
  <td><%= cart_item.quantity %>&times;</td>
  <td><%=h cart_item.title %></td>
  <td class="item-price"><%= number_to_currency(cart_item.price) %></td>
</tr>
cp app/views/store/add_to_cart.html.erb app/views/store/_cart.html.erb
edit app/views/store/_cart.html.erb
<div class="cart-title">Your Cart</div>
<table>
  <%= render(:partial => "cart_item", :collection => cart.items) %>  
  
  <tr class="total-line">
    <td colspan="2">Total</td>
    <td class="total-cell"><%= number_to_currency(cart.total_price) %></td>
  </tr>
 
</table>
  
<%= button_to "Empty cart", :action => :empty_cart %>
edit app/views/layouts/store.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
  <title>Pragprog Books Online Store</title>
  <%= stylesheet_link_tag "depot", :media => "all" %>
</head>
<body id="store">
  <div id="banner">
    <%= image_tag("logo.png") %>
    <%= @page_title || "Pragmatic Bookshelf" %>
  </div>
  <div id="columns">
    <div id="side">
      <div id="cart">
        <%= render(:partial => "cart", :object => @cart) %>
      </div>
 
      <a href="http://www....">Home</a><br />
      <a href="http://www..../faq">Questions</a><br />
      <a href="http://www..../news">News</a><br />
      <a href="http://www..../contact">Contact</a><br />
    </div>
    <div id="main">
      <% if flash[:notice] -%>
        <div id="notice"><%= flash[:notice] %></div>
      <% end -%>
 
      <%= yield :layout %>
    </div>
  </div>
</body>
</html>
edit app/controllers/store_controller.rb
  def index
    @products = Product.find_products_for_sale
    @cart = find_cart
  end
edit public/stylesheets/depot.css
/* Styles for the cart in the sidebar */
 
#cart, #cart table {
  font-size: smaller;
  color:     white;
}
 
#cart table {
  border-top:    1px dotted #595;
  border-bottom: 1px dotted #595;
  margin-bottom: 10px;
}
get /store

Routing Error

No route matches "store" with {:method=>:get}
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @cart.add_product(product)
    redirect_to_index
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
edit app/controllers/store_controller.rb
  def redirect_to_index(msg = nil)
    flash[:notice] = msg if msg
    redirect_to :action => 'index'
  end
rm app/views/store/add_to_cart.html.erb
get /store/add_to_cart/3

Routing Error

No route matches "store/add_to_cart/3" with {:method=>:get}

9.2 Iteration D2: Creating an AJAX-Based Cart

edit app/views/store/index.html.erb
    <% form_remote_tag :url => { :action => 'add_to_cart', :id => product } do %>
      <%= submit_tag "Add to Cart" %>
    <% end %>
edit app/views/layouts/store.html.erb
<html>
<head>
  <title>Pragprog Books Online Store</title>
  <%= stylesheet_link_tag "depot", :media => "all" %>
  <%= javascript_include_tag :defaults %>
</head>
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @cart.add_product(product)
    respond_to do |format|
      format.js
    end
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
edit app/views/store/add_to_cart.js.rjs
page.replace_html("cart", :partial => "cart", :object => @cart)

9.3 Iteration D3: Highlighting Changes

edit app/models/cart.rb
class Cart
  attr_reader :items   # <wtf linkend="wtf.attr.accessor">attr_reader</wtf>
  
  def initialize
    @items = []
  end
  
  def add_product(product)
    current_item = @items.find {|item| item.product == product}
    if current_item
      current_item.increment_quantity
    else
      current_item = CartItem.new(product)
      @items << current_item 
    end
    current_item
  end
 
  def total_price
    @items.sum { |item| item.price }
  end
end
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @current_item = @cart.add_product(product)
    respond_to do |format|
      format.js
    end
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
edit app/views/store/_cart_item.html.erb
<% if cart_item == @current_item %>
  <tr id="current_item">
<% else %>
  <tr>
<% end %>
  <td><%= cart_item.quantity %>&times;</td>
  <td><%=h cart_item.title %></td>
  <td class="item-price"><%= number_to_currency(cart_item.price) %></td>
</tr>
edit app/views/store/add_to_cart.js.rjs
page.replace_html("cart", :partial => "cart", :object => @cart)

    
page[:current_item].visual_effect :highlight,
                                  :startcolor => "#88ff88",
                                  :endcolor => "#114411"

9.4 Iteration D4: Hide an Empty Cart

edit app/views/store/add_to_cart.js.rjs
page.replace_html("cart", :partial => "cart", :object => @cart)
 
page[:cart].visual_effect :blind_down if @cart.total_items == 1
 
page[:current_item].visual_effect :highlight,
                                  :startcolor => "#88ff88",
                                  :endcolor => "#114411"
edit app/models/cart.rb
class Cart
  attr_reader :items   # <wtf linkend="wtf.attr.accessor">attr_reader</wtf>
  
  def initialize
    @items = []
  end
  
  def add_product(product)
    current_item = @items.find {|item| item.product == product}
    if current_item
      current_item.increment_quantity
    else
      current_item = CartItem.new(product)
      @items << current_item 
    end
    current_item
  end
 
  def total_price
    @items.sum { |item| item.price }
  end
 
  def total_items
    @items.sum { |item| item.quantity }
  end
end
ls -p app
controllers/
helpers/
models/
views/
ls -p app/helpers
application_helper.rb
products_helper.rb
store_helper.rb
edit app/views/layouts/store.html.erb
      <% hidden_div_if(@cart.items.empty?, :id => "cart") do %>
        <%= render(:partial => "cart", :object => @cart) %>
      <% end %>
edit app/helpers/store_helper.rb
module StoreHelper
  def hidden_div_if(condition, attributes = {}, &block)
    if condition
      attributes["style"] = "display: none"
    end
    content_tag("div", attributes, &block)
  end
end
edit app/controllers/store_controller.rb
  def empty_cart
    session[:cart] = nil
    redirect_to_index
  end

9.5 Iteration D5: Degrading If Javascript Is Disabled

Expected at least 1 element matching "#cart[style='display: none']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:178
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_9.5_Iteration_D5:_Degrading_If_Javascript_Is_Disabled'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/controllers/store_controller.rb
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @current_item = @cart.add_product(product)
    respond_to do |format|
      format.js if request.xhr?
      format.html {redirect_to_index}
    end
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
get /store/empty_cart

Routing Error

No route matches "store/empty_cart" with {:method=>:get}
get /store/add_to_cart/3

Routing Error

No route matches "store/add_to_cart/3" with {:method=>:get}

10.1 Iteration E1: Capturing an Order

Expected at least 1 element matching "input[type='submit'][value='Place Order']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:183
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_10.1_Iteration_E1:_Capturing_an_Order'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate scaffold order name:string address:text email:string pay_type:string
      exists  app/models/
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/orders
      exists  app/views/layouts/
      exists  test/functional/
      exists  test/unit/
      exists  test/unit/helpers/
      exists  public/stylesheets/
      create  app/views/orders/index.html.erb
      create  app/views/orders/show.html.erb
      create  app/views/orders/new.html.erb
      create  app/views/orders/edit.html.erb
      create  app/views/layouts/orders.html.erb
   identical  public/stylesheets/scaffold.css
      create  app/controllers/orders_controller.rb
      create  test/functional/orders_controller_test.rb
      create  app/helpers/orders_helper.rb
      create  test/unit/helpers/orders_helper_test.rb
       route  map.resources :orders
  dependency  model
      exists    app/models/
      exists    test/unit/
      exists    test/fixtures/
      create    app/models/order.rb
      create    test/unit/order_test.rb
      create    test/fixtures/orders.yml
      exists    db/migrate
      create    db/migrate/20090528024736_create_orders.rb
ruby script/generate scaffold line_item product_id:integer order_id:integer quantity:integer total_price:decimal
      exists  app/models/
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/line_items
      exists  app/views/layouts/
      exists  test/functional/
      exists  test/unit/
      exists  test/unit/helpers/
      exists  public/stylesheets/
      create  app/views/line_items/index.html.erb
      create  app/views/line_items/show.html.erb
      create  app/views/line_items/new.html.erb
      create  app/views/line_items/edit.html.erb
      create  app/views/layouts/line_items.html.erb
   identical  public/stylesheets/scaffold.css
      create  app/controllers/line_items_controller.rb
      create  test/functional/line_items_controller_test.rb
      create  app/helpers/line_items_helper.rb
      create  test/unit/helpers/line_items_helper_test.rb
       route  map.resources :line_items
  dependency  model
      exists    app/models/
      exists    test/unit/
      exists    test/fixtures/
      create    app/models/line_item.rb
      create    test/unit/line_item_test.rb
      create    test/fixtures/line_items.yml
      exists    db/migrate
      create    db/migrate/20090528024737_create_line_items.rb
edit db/migrate/20090528024736_create_orders.rb
  def self.up
    create_table :orders do |t|
      t.string :name
      t.text :address
      t.string :email
      t.string :pay_type, :limit => 10
 
      t.timestamps
    end
  end
edit db/migrate/20090528024737_create_line_items.rb
class CreateLineItems < ActiveRecord::Migration
  def self.up
    create_table :line_items do |t|
      t.integer :product_id,  :null => false, :options =>
        "CONSTRAINT fk_line_item_products REFERENCES products(id)"
      t.integer :order_id,    :null => false, :options =>
        "CONSTRAINT fk_line_item_orders REFERENCES orders(id)"
      t.integer :quantity,    :null => false
      t.decimal :total_price, :null => false, :precision => 8, :scale => 2
 
      t.timestamps
    end
  end
 
  def self.down
    drop_table :line_items
  end
end
rake db:migrate
mv 20090528024736_create_orders.rb 20080601000005_create_orders.rb
mv 20090528024737_create_line_items.rb 20080601000006_create_line_items.rb
(in /home/rubys/git/awdwr/work/depot)
==  CreateOrders: migrating ===================================================
-- create_table(:orders)
   -> 0.0022s
==  CreateOrders: migrated (0.0023s) ==========================================
 
==  CreateLineItems: migrating ================================================
-- create_table(:line_items)
   -> 0.0021s
==  CreateLineItems: migrated (0.0022s) =======================================
 
sqlite3 db/development.sqlite3 .schema
CREATE TABLE "line_items" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "product_id" integer NOT NULL, "order_id" integer NOT NULL, "quantity" integer NOT NULL, "total_price" decimal(8,2) NOT NULL, "created_at" datetime, "updated_at" datetime);
CREATE TABLE "orders" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "address" text, "email" varchar(255), "pay_type" varchar(10), "created_at" datetime, "updated_at" datetime);
CREATE TABLE "products" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "title" varchar(255), "description" text, "image_url" varchar(255), "created_at" datetime, "updated_at" datetime, "price" decimal(8,2) DEFAULT 0);
CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
CREATE TABLE "sessions" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "session_id" varchar(255) NOT NULL, "data" text, "created_at" datetime, "updated_at" datetime);
CREATE INDEX "index_sessions_on_session_id" ON "sessions" ("session_id");
CREATE INDEX "index_sessions_on_updated_at" ON "sessions" ("updated_at");
CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
edit app/models/order.rb
class Order < ActiveRecord::Base
  has_many :line_items
end
edit app/models/product.rb
class Product < ActiveRecord::Base
  has_many :line_items
  # ...
edit app/models/line_item.rb
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
end
edit app/views/store/_cart.html.erb
<div class="cart-title">Your Cart</div>
<table>
  <%= render(:partial => "cart_item", :collection => cart.items) %>  
  
  <tr class="total-line">
    <td colspan="2">Total</td>
    <td class="total-cell"><%= number_to_currency(cart.total_price) %></td>
  </tr>
 
</table>
  
<%= button_to "Checkout", :action => 'checkout' %>
<%= button_to "Empty cart", :action => :empty_cart %>
edit app/controllers/store_controller.rb
  def checkout
    @cart = find_cart
    if @cart.items.empty?
      redirect_to_index("Your cart is empty")
    else
      @order = Order.new
    end
  end
edit app/views/store/checkout.html.erb
<div class="depot-form">
  
  <%= error_messages_for 'order' %>
  
  <% form_for :order, :url => { :action => :save_order } do |form| %>
    <fieldset>
      <legend>Please Enter Your Details</legend>

    
      <div>
        <%= form.label :name, "Name:" %>
        <%= form.text_field :name, :size => 40 %>
      </div>

    
      <div>
        <%= form.label :address, "Address:" %>
        <%= form.text_area :address, :rows => 3, :cols => 40 %>
      </div>

    
      <div>
        <%= form.label :email, "E-Mail:" %>
        <%= form.text_field :email, :size => 40 %>
      </div>

    
      <div>
        <%= form.label :pay_type, "Pay with:" %>
        <%=
          form.select :pay_type,
                       Order::PAYMENT_TYPES, 
                      :prompt => "Select a payment method"
        %>
      </div>
    
      <%= submit_tag "Place Order", :class => "submit" %>
    </fieldset>
  <% end %>  
</div>
edit app/models/order.rb
class Order < ActiveRecord::Base
  PAYMENT_TYPES = [
    #  Displayed       stored in db
    [ "Check",          "check" ],
    [ "Credit card",    "cc" ],
    [ "Purchase order", "po" ]
  ]

    
  # ...
edit public/stylesheets/depot.css
/* Styles for order form */
 
.depot-form fieldset {
  background: #efe;
}
 
.depot-form legend {
  color: #dfd;
  background: #141;
  font-family: sans-serif;
  padding: 0.2em 1em;
}
 
.depot-form label {
  width: 5em;
  float: left;
  text-align: right;
  padding-top: 0.2em;
  margin-right: 0.1em;
  display: block;
}
 
.depot-form select, .depot-form textarea, .depot-form input {
  margin-left: 0.5em;
}
 
.depot-form .submit {
  margin-left: 4em;
}
 
.depot-form div {
  margin: 0.5em 0;
}
get /store/checkout

Routing Error

No route matches "store/checkout" with {:method=>:get}
get /store/save_order

Routing Error

No route matches "store/save_order" with {:method=>:get}
edit app/models/order.rb
class Order < ActiveRecord::Base
  PAYMENT_TYPES = [
    #  Displayed       stored in db
    [ "Check",          "check" ],
    [ "Credit card",    "cc" ],
    [ "Purchase order", "po" ]
  ]
 
  validates_presence_of :name, :address, :email, :pay_type
  validates_inclusion_of :pay_type, :in => 
    PAYMENT_TYPES.map {|disp, value| value}
 
  # ...
edit app/controllers/store_controller.rb
  def save_order
    @cart = find_cart
    @order = Order.new(params[:order]) # <label id="code.p.new.order"/>
    @order.add_line_items_from_cart(@cart) # <label id="code.p.append.li"/>
    if @order.save                     # <label id="code.p.save"/>
      session[:cart] = nil
      redirect_to_index("Thank you for your order")
    else
      render :action => 'checkout'
    end
  end
edit app/models/order.rb
class Order < ActiveRecord::Base
  PAYMENT_TYPES = [
    #  Displayed       stored in db
    [ "Check",          "check" ],
    [ "Credit card",    "cc" ],
    [ "Purchase order", "po" ]
  ]
 
  # ...
  validates_presence_of :name, :address, :email, :pay_type
  validates_inclusion_of :pay_type, :in => 
    PAYMENT_TYPES.map {|disp, value| value}
 
  # ...
 
 
  has_many :line_items
 
  def add_line_items_from_cart(cart)
    cart.items.each do |item|
      li = LineItem.from_cart_item(item)
      line_items << li
    end
  end
end
edit app/models/line_item.rb
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
end
sqlite3> select * from orders
sqlite3> select * from line_items
get /store/save_order

Routing Error

No route matches "store/save_order" with {:method=>:get}
get /store/checkout

Routing Error

No route matches "store/checkout" with {:method=>:get}
sqlite3> select * from orders
sqlite3> select * from line_items
edit app/views/store/add_to_cart.js.rjs
page.select("div#notice").each { |div| div.hide }
 
page.replace_html("cart", :partial => "cart", :object => @cart)
 
page[:cart].visual_effect :blind_down if @cart.total_items == 1
 
page[:current_item].visual_effect :highlight,
                                  :startcolor => "#88ff88",
                                  :endcolor => "#114411"

11.1 Iteration F1: Adding Users

Expected at least 1 element matching "legend", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:190
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_11.1_Iteration_F1:_Adding_Users'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate scaffold user name:string hashed_password:string salt:string
      exists  app/models/
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/users
      exists  app/views/layouts/
      exists  test/functional/
      exists  test/unit/
      exists  test/unit/helpers/
      exists  public/stylesheets/
      create  app/views/users/index.html.erb
      create  app/views/users/show.html.erb
      create  app/views/users/new.html.erb
      create  app/views/users/edit.html.erb
      create  app/views/layouts/users.html.erb
   identical  public/stylesheets/scaffold.css
      create  app/controllers/users_controller.rb
      create  test/functional/users_controller_test.rb
      create  app/helpers/users_helper.rb
      create  test/unit/helpers/users_helper_test.rb
       route  map.resources :users
  dependency  model
      exists    app/models/
      exists    test/unit/
      exists    test/fixtures/
      create    app/models/user.rb
      create    test/unit/user_test.rb
      create    test/fixtures/users.yml
      exists    db/migrate
      create    db/migrate/20090528024742_create_users.rb

restart

cat db/migrate/20090528024742_create_users.rb
class CreateUsers < ActiveRecord::Migration
  def self.up
    create_table :users do |t|
      t.string :name
      t.string :hashed_password
      t.string :salt
 
      t.timestamps
    end
  end
 
  def self.down
    drop_table :users
  end
end
rake db:migrate
mv 20090528024742_create_users.rb 20080601000007_create_users.rb
(in /home/rubys/git/awdwr/work/depot)
==  CreateUsers: migrating ====================================================
-- create_table(:users)
   -> 0.0022s
==  CreateUsers: migrated (0.0023s) ===========================================
 
edit app/models/user.rb
require 'digest/sha1'

    
class User < ActiveRecord::Base
  
  validates_presence_of     :name
  validates_uniqueness_of   :name
 
  attr_accessor :password_confirmation
  validates_confirmation_of :password

    
  validate :password_non_blank
  
  def self.authenticate(name, password)
    user = self.find_by_name(name)
    if user
      expected_password = encrypted_password(password, user.salt)
      if user.hashed_password != expected_password
        user = nil
      end
    end
    user
  end
  
  # 'password' is a virtual attribute
  def password
    @password
  end
  
  def password=(pwd)
    @password = pwd
    return if pwd.blank?
    create_new_salt
    self.hashed_password = User.encrypted_password(self.password, self.salt)
  end
  
private

    
  def password_non_blank
    errors.add(:password, "Missing password") if hashed_password.blank?
  end
  
  def create_new_salt
    self.salt = self.object_id.to_s + rand.to_s
  end
  
  def self.encrypted_password(password, salt)
    string_to_hash = password + "wibble" + salt
    Digest::SHA1.hexdigest(string_to_hash)
  end
end
edit app/controllers/users_controller.rb
class UsersController < ApplicationController
  # GET /users
  # GET /users.xml
  def index
    @users = User.all(:order => :name)
 
    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @users }
    end
  end
 
  # GET /users/1
  # GET /users/1.xml
  def show
    @user = User.find(params[:id])
 
    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @user }
    end
  end
 
  # GET /users/new
  # GET /users/new.xml
  def new
    @user = User.new
 
    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @user }
    end
  end
 
  # GET /users/1/edit
  def edit
    @user = User.find(params[:id])
  end
 
  # POST /users
  # POST /users.xml
  def create
    @user = User.new(params[:user])
 
    respond_to do |format|
      if @user.save
        flash[:notice] = "User #{@user.name} was successfully created."
        format.html { redirect_to(:action=>'index') }
        format.xml  { render :xml => @user, :status => :created,
                             :location => @user }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @user.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
 
  # PUT /users/1
  # PUT /users/1.xml
  def update
    @user = User.find(params[:id])
 
    respond_to do |format|
      if @user.update_attributes(params[:user])
        flash[:notice] = "User #{@user.name} was successfully updated."
        format.html { redirect_to(:action=>'index') }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @user.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
 
  # DELETE /users/1
  # DELETE /users/1.xml
  def destroy
    @user = User.find(params[:id])
    @user.destroy
 
    respond_to do |format|
      format.html { redirect_to(users_url) }
      format.xml  { head :ok }
    end
  end
end
edit app/views/users/index.html.erb
<h1>Listing users</h1>
 
<table>
  <tr>
    <th>Name</th>
  </tr>
 
<% @users.each do |user| %>
  <tr>
    <td><%=h user.name %></td>
    <td><%= link_to 'Show', user %></td>
    <td><%= link_to 'Edit', edit_user_path(user) %></td>
    <td><%= link_to 'Destroy', user, :confirm => 'Are you sure?',
                                        :method => :delete %></td>
  </tr>
<% end %>
</table>
 
<br />
 
<%= link_to 'New user', new_user_path %>
edit app/views/users/new.html.erb
<div class="depot-form">
 
<% form_for(@user) do |f| %>
  <%= f.error_messages %>
 
  <fieldset>
  <legend>Enter User Details</legend>
 
  <div>
    <%= f.label :name %>:
    <%= f.text_field :name, :size => 40 %>
  </div>
 
  <div>
    <%= f.label :password, 'Password' %>:
    <%= f.password_field :password, :size => 40 %>
  </div>
 
  <div>
    <%= f.label :password_confirmation, 'Confirm' %>:
    <%= f.password_field :password_confirmation, :size => 40 %>
  </div>
 
  <div>
    <%= f.submit "Add User", :class => "submit" %>
  </div>
 
  </fieldset>
<% end %>
 
</div>
edit app/views/layouts/users.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <meta http-equiv="content-type" content="text/html;charset=UTF-8" />
  <title>Users: <%= controller.action_name %></title>
  <%= stylesheet_link_tag 'scaffold', 'depot' %>
</head>
get /users

Routing Error

No route matches "users" with {:method=>:get}
get /users/new

Routing Error

No route matches "users/new" with {:method=>:get}
sqlite3> select * from users

11.2 Iteration F2: Logging in

Expected at least 1 element matching "legend", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:195
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_11.2_Iteration_F2:_Logging_in'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate controller admin login logout index
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/admin
      exists  test/functional/
      exists  test/unit/helpers/
      create  app/controllers/admin_controller.rb
      create  test/functional/admin_controller_test.rb
      create  app/helpers/admin_helper.rb
      create  test/unit/helpers/admin_helper_test.rb
      create  app/views/admin/login.html.erb
      create  app/views/admin/logout.html.erb
      create  app/views/admin/index.html.erb

restart

edit app/controllers/admin_controller.rb
class AdminController < ApplicationController
 
  # just display the form and wait for user to
  # enter a name and password
  def login
    if request.post?
      user = User.authenticate(params[:name], params[:password])
      if user
        session[:user_id] = user.id
        redirect_to(:action => "index")
      else
        flash.now[:notice] = "Invalid user/password combination"
      end
    end
  end
 
  def logout
    session[:user_id] = nil
    flash[:notice] = "Logged out"
    redirect_to(:action => "login")
  end
 
  def index
    @total_orders = Order.count
  end
end
edit app/views/admin/login.html.erb
<div class="depot-form">
  <% form_tag do %>
    <fieldset>
      <legend>Please Log In</legend>

    
      <div>
        <label for="name">Name:</label>
        <%= text_field_tag :name, params[:name] %>
      </div>

    
      <div>
        <label for="password">Password:</label>
        <%= password_field_tag :password, params[:password] %>
      </div>
  
      <div>
        <%= submit_tag "Login" %>
      </div>
    </fieldset>
  <% end %>
</div>
edit app/views/admin/index.html.erb
<h1>Welcome</h1>

    
It's <%= Time.now %>
We have <%= pluralize(@total_orders, "order") %>.
get /admin/login

Routing Error

No route matches "admin/login" with {:method=>:get}

11.3 Iteration F3: Limiting Access

Expected at least 1 element matching "a[href='http://127.0.0.1:3000/admin/login']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:201
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_11.3_Iteration_F3:_Limiting_Access'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/controllers/application_controller.rb
# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
 
class ApplicationController < ActionController::Base
  before_filter :authorize, :except => :login
  helper :all # include all helpers, all the time
  protect_from_forgery # See ActionController::RequestForgeryProtection for details
 
  # Scrub sensitive parameters from your log
  # filter_parameter_logging :password
    
protected
  def authorize
    unless User.find_by_id(session[:user_id])
      flash[:notice] = "Please log in"
      redirect_to :controller => 'admin', :action => 'login'
    end
  end
end
edit app/controllers/store_controller.rb
class StoreController < ApplicationController
  def index
    @products = Product.find_products_for_sale
    @cart = find_cart
  end
 
 
  def add_to_cart
    product = Product.find(params[:id])
    @cart = find_cart
    @current_item = @cart.add_product(product)
    respond_to do |format|
      format.js if request.xhr?
      format.html {redirect_to_index}
    end
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
 
  def checkout
    @cart = find_cart
    if @cart.items.empty?
      redirect_to_index("Your cart is empty")
    else
      @order = Order.new
    end
  end
 
  def save_order
    @cart = find_cart
    @order = Order.new(params[:order])
    @order.add_line_items_from_cart(@cart)
    if @order.save
      session[:cart] = nil
      redirect_to_index("Thank you for your order")
    else
      render :action => 'checkout'
    end
  end
 
  def empty_cart
    session[:cart] = nil
    redirect_to_index
  end
 
private
 
  def redirect_to_index(msg = nil)
    flash[:notice] = msg if msg
    redirect_to :action => 'index'
  end
 
  def find_cart
    session[:cart] ||= Cart.new
  end
 
end
edit app/controllers/store_controller.rb
class StoreController < ApplicationController
  #...
protected
 
  def authorize
  end
end
rake db:sessions:clear
(in /home/rubys/git/awdwr/work/depot)
get /admin/logout

Routing Error

No route matches "admin/logout" with {:method=>:get}
get /store

Routing Error

No route matches "store" with {:method=>:get}
get /products

Routing Error

No route matches "products" with {:method=>:get}
get /admin/login

Routing Error

No route matches "admin/login" with {:method=>:get}
get /products

Routing Error

No route matches "products" with {:method=>:get}

11.4 Iteration F4: Adding a Sidebar, More Administration

</NoMethodError in/> expected but was
<"class ApplicationController &lt; ActionController::Base">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:206
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_11.4_Iteration_F4:_A_Sidebar,_More_Administration'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
  layout "store"
  #...
get /admin

Routing Error

No route matches "admin" with {:method=>:get}
get /users

Routing Error

No route matches "users" with {:method=>:get}
edit app/views/layouts/store.html.erb
      <% if @cart %>
        <% hidden_div_if(@cart.items.empty?, :id => "cart") do %>
          <%= render(:partial => "cart", :object => @cart) %>
        <% end %>
      <% end %>
get /admin

Routing Error

No route matches "admin" with {:method=>:get}
get /users

Routing Error

No route matches "users" with {:method=>:get}
rm app/views/layouts/products.html.erb
rm app/views/layouts/users.html.erb
rm app/views/layouts/orders.html.erb
get /users

Routing Error

No route matches "users" with {:method=>:get}
edit app/models/user.rb
require 'digest/sha1'
 
class User < ActiveRecord::Base
  
  validates_presence_of     :name
  validates_uniqueness_of   :name
 
  attr_accessor :password_confirmation
  validates_confirmation_of :password
 
  validate :password_non_blank
  
  def self.authenticate(name, password)
    user = self.find_by_name(name)
    if user
      expected_password = encrypted_password(password, user.salt)
      if user.hashed_password != expected_password
        user = nil
      end
    end
    user
  end
  
  # 'password' is a virtual attribute
  def password
    @password
  end
  
  def password=(pwd)
    @password = pwd
    return if pwd.blank?
    create_new_salt
    self.hashed_password = User.encrypted_password(self.password, self.salt)
  end
  
  def after_destroy
    if User.count.zero?
      raise "Can't delete last user"
    end
  end     
 
private
 
  def password_non_blank
    errors.add(:password, "Missing password") if hashed_password.blank?
  end
  
  def create_new_salt
    self.salt = self.object_id.to_s + rand.to_s
  end
  
  def self.encrypted_password(password, salt)
    string_to_hash = password + "wibble" + salt
    Digest::SHA1.hexdigest(string_to_hash)
  end
end
edit app/controllers/users_controller.rb
class UsersController < ApplicationController
  # GET /users
  # GET /users.xml
  def index
    @users = User.all(:order => :name)
 
    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @users }
    end
  end
 
  # GET /users/1
  # GET /users/1.xml
  def show
    @user = User.find(params[:id])
 
    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @user }
    end
  end
 
  # GET /users/new
  # GET /users/new.xml
  def new
    @user = User.new
 
    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @user }
    end
  end
 
  # GET /users/1/edit
  def edit
    @user = User.find(params[:id])
  end
 
  # POST /users
  # POST /users.xml
  def create
    @user = User.new(params[:user])
 
    respond_to do |format|
      if @user.save
        flash[:notice] = "User #{@user.name} was successfully created."
        format.html { redirect_to(:action=>'index') }
        format.xml  { render :xml => @user, :status => :created,
                             :location => @user }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @user.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
 
  # PUT /users/1
  # PUT /users/1.xml
  def update
    @user = User.find(params[:id])
 
    respond_to do |format|
      if @user.update_attributes(params[:user])
        flash[:notice] = "User #{@user.name} was successfully updated."
        format.html { redirect_to(:action=>'index') }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @user.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
 
  # DELETE /users/1
  # DELETE /users/1.xml
  def destroy
    @user = User.find(params[:id])
    begin
      @user.destroy
      flash[:notice] = "User #{@user.name} deleted"
    rescue Exception => e
      flash[:notice] = e.message
    end
 
    respond_to do |format|
      format.html { redirect_to(users_url) }
      format.xml  { head :ok }
    end
  end
end
edit app/controllers/store_controller.rb
      def find_cart
        @cart = (session[:cart] ||= Cart.new)
      end
edit app/controllers/store_controller.rb
      before_filter :find_cart, :except => :empty_cart
echo "Product.new" | ruby script/console
>> Product.new
=> #<Product id: nil, title: nil, description: nil, image_url: nil, created_at: nil, updated_at: nil, price: #<BigDecimal:b78bddfc,'0.0',4(8)>>
>> 

12.1 Generating the XML Feed

</No route matches &amp;quot;\/info\/who_bought\//> expected but was
<"class Product &lt; ActiveRecord::Base">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:213
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_12.1_Generating_the_XML_Feed'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
edit app/models/product.rb
class Product < ActiveRecord::Base
  has_many :orders, :through => :line_items
  has_many :line_items
  # ...
ruby script/generate controller info who_bought
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/info
      exists  test/functional/
      exists  test/unit/helpers/
      create  app/controllers/info_controller.rb
      create  test/functional/info_controller_test.rb
      create  app/helpers/info_helper.rb
      create  test/unit/helpers/info_helper_test.rb
      create  app/views/info/who_bought.html.erb
edit app/controllers/info_controller.rb
class InfoController < ApplicationController
  def who_bought
    @product = Product.find(params[:id])
    @orders  = @product.orders
    respond_to do |format|
      format.xml { render :layout => false }
    end
  end
 
protected
 
  def authorize
  end
end
edit app/views/info/who_bought.xml.builder
xml.order_list(:for_product => @product.title) do
  for o in @orders
    xml.order do
      xml.name(o.name)
      xml.email(o.email)
    end
  end
end
curl --silent http://localhost:3000/info/who_bought/3
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>

restart

curl --silent http://localhost:3000/info/who_bought/3
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
sqlite3> select * from products
         id = 1
      title = Pragmatic Project Automation
description = <p>
       <em>Pragmatic Project Automation</em> shows you how to improve the 
       consistency and repeatability of your project's procedures using 
       automation to reduce risk and errors.
      </p>
      <p>
        Simply put, we're going to put this thing called a computer to work 
        for you doing the mundane (but important) project stuff. That means 
        you'll have more time and energy to do the really 
        exciting---and difficult---stuff, like writing quality code.
      </p>
  image_url = /images/auto.jpg
 created_at = 2009-05-28 02:47:14.382751
 updated_at = 2009-05-28 02:47:14.382751
      price = 29.95
 
         id = 2
      title = Pragmatic Version Control
description = <p>
         This book is a recipe-based approach to using Subversion that will 
         get you up and running quickly---and correctly. All projects need
         version control: it's a foundational piece of any project's 
         infrastructure. Yet half of all project teams in the U.S. don't use
         any version control at all. Many others don't use it well, and end 
         up experiencing time-consuming problems.
      </p>
  image_url = /images/svn.jpg
 created_at = 2009-05-28 02:47:14.386096
 updated_at = 2009-05-28 02:47:14.386096
      price = 28.5
 
         id = 3
      title = Pragmatic Unit Testing (C#)
description = <p>
        Pragmatic programmers use feedback to drive their development and 
        personal processes. The most valuable feedback you can get while 
        coding comes from unit testing.
      </p>
      <p>
        Without good tests in place, coding can become a frustrating game of 
        "whack-a-mole." That's the carnival game where the player strikes at a 
        mechanical mole; it retreats and another mole pops up on the opposite side 
        of the field. The moles pop up and down so fast that you end up flailing 
        your mallet helplessly as the moles continue to pop up where you least 
        expect them.
      </p>
  image_url = /images/utc.jpg
 created_at = 2009-05-28 02:47:14.393292
 updated_at = 2009-05-28 02:47:14.393292
      price = 27.75
sqlite3> select * from line_items
curl --silent http://localhost:3000/info/who_bought/3
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
edit app/views/info/who_bought.html.erb
<h3>People Who Bought <%= @product.title %></h3>

    
<ul>
  <% for order in @orders  -%>
    <li>
        <%= mail_to order.email, order.name %>
    </li>
  <%  end -%>
</ul>
edit app/controllers/info_controller.rb
class InfoController < ApplicationController
  def who_bought
    @product = Product.find(params[:id])
    @orders  = @product.orders
    respond_to do |format|
      format.html
      format.xml { render :layout => false }
    end
  end
 
protected
 
  def authorize
  end
end
curl --silent -H "Accept: text/html" http://localhost:3000/info/who_bought/3
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
curl --silent -H "Accept: application/xml" http://localhost:3000/info/who_bought/3
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
cp app/controllers/info_controller.rb app/controllers/info_controller.save
edit app/controllers/info_controller.rb
class InfoController < ApplicationController
  def who_bought
    @product = Product.find(params[:id])
    @orders  = @product.orders
    respond_to do |format|
      format.html
      format.xml { render :layout => false ,
                   :xml => @product.to_xml(:include => :orders) }
    end
  end
 
protected
 
  def authorize
  end
end
curl --silent http://localhost:3000/info/who_bought/3.xml
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3.xml&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
edit app/views/info/who_bought.atom.builder
atom_feed do |feed|
  feed.title "Who bought #{@product.title}"
  feed.updated @orders.first.created_at

    
  for order in @orders
    feed.entry(order) do |entry|
      entry.title "Order #{order.id}"
      entry.summary :type => 'xhtml' do |xhtml|
        xhtml.p "Shipped to #{order.address}"

    
        xhtml.table do
          xhtml.tr do
            xhtml.th 'Product'
            xhtml.th 'Quantity'
            xhtml.th 'Total Price'
          end
          for item in order.line_items
            xhtml.tr do
              xhtml.td item.product.title
              xhtml.td item.quantity
              xhtml.td number_to_currency item.total_price
            end
          end
          xhtml.tr do
            xhtml.th 'total', :colspan => 2
            xhtml.th number_to_currency \
              order.line_items.map(&:total_price).sum
          end
        end

    
        xhtml.p "Paid by #{order.pay_type}"
      end
      entry.author do |author|
        entry.name order.name
        entry.email order.email
      end
    end
  end
end
edit app/controllers/info_controller.rb
class InfoController < ApplicationController
  def who_bought
    @product = Product.find(params[:id])
    @orders  = @product.orders
    respond_to do |format|
      format.html
      format.atom { render :layout => false }
      format.xml { render :layout => false ,
                   :xml => @product.to_xml(:include => :orders) }
    end
  end
 
protected
 
  def authorize
  end
end
curl --silent http://localhost:3000/info/who_bought/3.atom
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3.atom&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
edit app/controllers/info_controller.rb
class InfoController < ApplicationController
  def who_bought
    @product = Product.find(params[:id])
    @orders  = @product.orders
    respond_to do |format|
      format.html
      format.atom { render :layout => false }
      format.xml { render :layout => false ,
                   :xml => @product.to_xml(:include => :orders) }
      format.json { render :layout => false ,
                   :json => @product.to_json(:include => :orders) }
    end
  end
 
protected
 
  def authorize
  end
end
curl --silent -H "Accept: application/json" http://localhost:3000/info/who_bought/3
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Action Controller: Exception caught</title>
  <style>
    body { background-color: #fff; color: #333; }
 
    body, p, ol, ul, td {
      font-family: verdana, arial, helvetica, sans-serif;
      font-size:   13px;
      line-height: 18px;
    }
 
    pre {
      background-color: #eee;
      padding: 10px;
      font-size: 11px;
    }
 
    a { color: #000; }
    a:visited { color: #666; }
    a:hover { color: #fff; background-color:#000; }
  </style>
</head>
<body>
 
<h1>Routing Error</h1>
<p><pre>No route matches &quot;info/who_bought/3&quot; with {:method=&gt;:get}</pre></p>
 
 
 
</body>
</html>
mv app/controllers/info_controller.save app/controllers/info_controller.rb
rake doc:app
rm -r doc/app

    
                     README_FOR_APP: 
              application_helper.rb: m
                    store_helper.rb: m.
                     info_helper.rb: m
                    admin_helper.rb: m
               line_items_helper.rb: m
                   orders_helper.rb: m
                    users_helper.rb: m
                 products_helper.rb: m
                users_controller.rb: c.......
                store_controller.rb: c........
           line_items_controller.rb: c.......
          application_controller.rb: c.
                 info_controller.rb: c..
                admin_controller.rb: c...
             products_controller.rb: c.......
               orders_controller.rb: c.......
                            cart.rb: c....
                       cart_item.rb: c....
                            user.rb: c.......
                         product.rb: c..
                       line_item.rb: c.
                           order.rb: c.
Generating HTML...
(in /home/rubys/git/awdwr/work/depot)
 
Files:   23
Classes: 14
Modules: 8
Methods: 62
Elapsed: 1.763s
rake stats
(in /home/rubys/git/awdwr/work/depot)
+----------------------+-------+-------+---------+---------+-----+-------+
| Name                 | Lines |   LOC | Classes | Methods | M/C | LOC/M |
+----------------------+-------+-------+---------+---------+-----+-------+
| Controllers          |   516 |   344 |       8 |      42 |   5 |     6 |
| Helpers              |    23 |    22 |       0 |       1 |   0 |    20 |
| Models               |   229 |   129 |       6 |      19 |   3 |     4 |
| Libraries            |     0 |     0 |       0 |       0 |   0 |     0 |
| Integration tests    |     0 |     0 |       0 |       0 |   0 |     0 |
| Functional tests     |   204 |   162 |       7 |       0 |   0 |     0 |
| Unit tests           |    60 |    45 |      11 |       0 |   0 |     0 |
+----------------------+-------+-------+---------+---------+-----+-------+
| Total                |  1032 |   702 |      32 |      62 |   1 |     9 |
+----------------------+-------+-------+---------+---------+-----+-------+
  Code LOC: 495     Test LOC: 207     Code to Test Ratio: 1:0.4
 

13 Task I: Internationalization

Expected at least 1 element matching "#notice", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:223
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_13_Internationalization'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
get /store/empty_cart

Routing Error

No route matches "store/empty_cart" with {:method=>:get}
cp /home/rubys/git/awdwr/data/i18n/initializer.rb config/initializers/i18n.rb

restart

edit app/views/layouts/store.html.erb
  <% form_tag '', :method => 'GET', :class => 'locale' do %>
    <%= select_tag 'locale', options_for_select(LANGUAGES, I18n.locale),
      :onchange => 'this.form.submit()' %>
    <%= submit_tag 'submit' %>
    <%= javascript_tag "$$('.locale input').each(Element.hide)" %>
  <% end %>
get /store?locale=en

Routing Error

No route matches "store" with {:method=>:get}
edit app/controllers/application_controller.rb
# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
 
class ApplicationController < ActionController::Base
  layout "store"
  #...
  before_filter :authorize, :except => :login
  before_filter :set_locale
  helper :all # include all helpers, all the time
  protect_from_forgery # See ActionController::RequestForgeryProtection for details
 
  # Scrub sensitive parameters from your log
  # filter_parameter_logging :password
    
protected
  def authorize
    unless User.find_by_id(session[:user_id])
      flash[:notice] = "Please log in"
      redirect_to :controller => 'admin', :action => 'login'
    end
  end
 
  def set_locale
    session[:locale] = params[:locale] if params[:locale]
    I18n.locale = session[:locale] || I18n.default_locale
 
    locale_path = "#{LOCALES_DIRECTORY}#{I18n.locale}.yml"
 
    unless I18n.load_path.include? locale_path
      I18n.load_path << locale_path
      I18n.backend.send(:init_translations)
    end
 
  rescue Exception => err
    logger.error err
    flash.now[:notice] = "#{I18n.locale} translation not available"
 
    I18n.load_path -= [locale_path]
    I18n.locale = session[:locale] = I18n.default_locale
  end
end
edit public/stylesheets/depot.css
.locale {
        float:right;
        padding-top: 0.2em
}

restart

get /store?locale=es

Routing Error

No route matches "store" with {:method=>:get}
edit app/views/layouts/store.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
  <title>Pragprog Books Online Store</title>
  <%= stylesheet_link_tag "depot", :media => "all" %>
  <%= javascript_include_tag :defaults %>
</head>
<body id="store">
  <div id="banner">
  <% form_tag '', :method => 'GET', :class => 'locale' do %>
    <%= select_tag 'locale', options_for_select(LANGUAGES, I18n.locale),
      :onchange => 'this.form.submit()' %>
    <%= submit_tag 'submit' %>
    <%= javascript_tag "$$('.locale input').each(Element.hide)" %>
  <% end %>
    <%= image_tag("logo.png") %>
    <%= @page_title || I18n.t('layout.title') %>
  </div>
  <div id="columns">
    <div id="side">
      <% if @cart %>
        <% hidden_div_if(@cart.items.empty?, :id => "cart") do %>
          <%= render(:partial => "cart", :object => @cart) %>
        <% end %>
      <% end %>
 
      <a href="http://www...."><%= I18n.t 'layout.side.home' %></a><br />
      <a href="http://www..../faq"><%= I18n.t 'layout.side.questions' %></a><br />
      <a href="http://www..../news"><%= I18n.t 'layout.side.news' %></a><br />
      <a href="http://www..../contact"><%= I18n.t 'layout.side.contact' %></a><br />
      <% if session[:user_id] %>
        <br />
        <%= link_to 'Orders',   :controller => 'orders' %><br />
        <%= link_to 'Products', :controller => 'products' %><br />
        <%= link_to 'Users',    :controller => 'users'    %><br />
        <br />
        <%= link_to 'Logout', :controller => 'admin', :action => 'logout' %>
      <% end %>
    </div>
    <div id="main">
      <% if flash[:notice] -%>
        <div id="notice"><%= flash[:notice] %></div>
      <% end -%>
 
      <%= yield :layout %>
    </div>
  </div>
</body>
</html>
cp -r /home/rubys/git/awdwr/data/i18n/*.yml config/locales
get /store?locale=es

Routing Error

No route matches "store" with {:method=>:get}
edit app/views/store/index.html.erb
<h1><%= I18n.t 'main.title' %></h1>
 
<% for product in @products -%>
  <div class="entry">
    <%= image_tag(product.image_url) %>
    <h3><%=h product.title %></h3>
    <%= product.description %>
    <div class="price-line">
    <span class="price"><%= number_to_currency(product.price) %></span>
    <% form_remote_tag :url => {:action => 'add_to_cart', :id => product} do %>
      <%= submit_tag I18n.t('main.button.add') %>
    <% end %>
    </div>
  </div>
<% end %>
get /store?locale=es

Routing Error

No route matches "store" with {:method=>:get}
edit app/views/store/_cart.html.erb
<div class="cart-title"><%= I18n.t 'layout.cart.title' %></div>
<table>
  <%= render(:partial => "cart_item", :collection => cart.items) %>  
  
  <tr class="total-line">
    <td colspan="2">Total</td>
    <td class="total-cell"><%= number_to_currency(cart.total_price) %></td>
  </tr>
 
</table>
  
<%= button_to I18n.t('layout.cart.button.checkout'), :action => 'checkout' %>
<%= button_to I18n.t('layout.cart.button.empty'), :action => :empty_cart %>
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
edit app/views/store/checkout.html.erb
<div class="depot-form">
  
  <%= error_messages_for 'order' %>
  
  <% form_for :order, :url => { :action => :save_order } do |form| %>
    <fieldset>
      <legend><%= I18n.t 'checkout.legend' %></legend>
 
      <div>
        <%= form.label :name, I18n.t('checkout.name') + ":" %>
        <%= form.text_field :name, :size => 40 %>
      </div>
 
      <div>
        <%= form.label :address, I18n.t('checkout.address') + ":" %>
        <%= form.text_area :address, :rows => 3, :cols => 40 %>
      </div>
 
      <div>
        <%= form.label :email, I18n.t('checkout.email') + ":" %>
        <%= form.text_field :email, :size => 40 %>
      </div>
 
      <div>
        <%= form.label :pay_type, I18n.t('checkout.pay_type') + ":" %>
        <%=
          form.select :pay_type,
                       Order::PAYMENT_TYPES, 
                      :prompt => I18n.t('checkout.pay_prompt')
        %>
      </div>
    
      <%= submit_tag I18n.t('checkout.submit'), :class => "submit" %>
    </fieldset>
  <% end %>  
</div>
edit app/controllers/store_controller.rb
class StoreController < ApplicationController
      before_filter :find_cart, :except => :empty_cart
  def index
    @products = Product.find_products_for_sale
  end
 
 
  def add_to_cart
    product = Product.find(params[:id])
    @current_item = @cart.add_product(product)
    respond_to do |format|
      format.js if request.xhr?
      format.html {redirect_to_index}
    end
  rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    redirect_to_index("Invalid product")
  end
 
  def checkout
    if @cart.items.empty?
      redirect_to_index("Your cart is empty")
    else
      @order = Order.new
    end
  end
 
  def save_order
    @order = Order.new(params[:order])
    @order.add_line_items_from_cart(@cart)
    if @order.save
      session[:cart] = nil
      redirect_to_index(I18n.t('flash.thanks'))
    else
      render :action => 'checkout'
    end
  end
 
  def empty_cart
    session[:cart] = nil
    redirect_to_index
  end
 
private
 
  def redirect_to_index(msg = nil)
    flash[:notice] = msg if msg
    redirect_to :action => 'index'
  end
 
      def find_cart
        @cart = (session[:cart] ||= Cart.new)
      end
 
  #...
protected
 
  def authorize
  end
end
get /store?locale=es

Routing Error

No route matches "store" with {:method=>:get}
get /store/add_to_cart/2

Routing Error

No route matches "store/add_to_cart/2" with {:method=>:get}
get /store/checkout

Routing Error

No route matches "store/checkout" with {:method=>:get}
get /store/save_order

Routing Error

No route matches "store/save_order" with {:method=>:get}
get /store/save_order

Routing Error

No route matches "store/save_order" with {:method=>:get}
get /store?locale=en

Routing Error

No route matches "store" with {:method=>:get}

14.1 Tests Baked Right In

ls -p test
fixtures/
functional/
integration/
performance/
test_helper.rb
unit/
ls test/unit
helpers
line_item_test.rb
order_test.rb
product_test.rb
user_test.rb
ls test/functional
admin_controller_test.rb
info_controller_test.rb
line_items_controller_test.rb
orders_controller_test.rb
products_controller_test.rb
store_controller_test.rb
users_controller_test.rb

14.2 Unit Testing of Models

cat test/unit/product_test.rb
require 'test_helper'
 
class ProductTest < ActiveSupport::TestCase
  # Replace this with your real tests.
  test "the truth" do
    assert true
  end
end
ruby -Itest test/unit/product_test.rb
Loaded suite test/unit/product_test
Started
E
Finished in 0.06938 seconds.
 
  1) Error:
test_the_truth(ProductTest):
ActiveRecord::StatementInvalid: SQLite3::SQLException: no such table: line_items: DELETE FROM "line_items" WHERE 1=1
 
 
1 tests, 0 assertions, 0 failures, 1 errors
rake db:test:prepare
(in /home/rubys/git/awdwr/work/depot)
ruby -Itest test/unit/product_test.rb
Loaded suite test/unit/product_test
Started
.
Finished in 0.110282 seconds.
 
1 tests, 1 assertions, 0 failures, 0 errors
rake test:units
(in /home/rubys/git/awdwr/work/depot)
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/unit/helpers/products_helper_test.rb" "test/unit/helpers/info_helper_test.rb" "test/unit/helpers/admin_helper_test.rb" "test/unit/helpers/line_items_helper_test.rb" "test/unit/helpers/orders_helper_test.rb" "test/unit/helpers/users_helper_test.rb" "test/unit/helpers/store_helper_test.rb" "test/unit/product_test.rb" "test/unit/user_test.rb" "test/unit/line_item_test.rb" "test/unit/order_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
....
Finished in 0.113949 seconds.
 
4 tests, 4 assertions, 0 failures, 0 errors
edit test/unit/product_test.rb
require 'test_helper'
 
class ProductTest < ActiveSupport::TestCase
  
  fixtures :products
  
  # Replace this with your real tests.
  test "the truth" do
    assert true
  end
 
  test "invalid with empty attributes" do
    product = Product.new
    assert !product.valid?
    assert product.errors.invalid?(:title)
    assert product.errors.invalid?(:description)
    assert product.errors.invalid?(:price)
    assert product.errors.invalid?(:image_url)
  end
 
  test "positive price" do
    product = Product.new(:title       => "My Book Title",
                          :description => "yyy",
                          :image_url   => "zzz.jpg")
    product.price = -1
    assert !product.valid?
    assert_equal "should be at least 0.01", product.errors.on(:price)
 
    product.price = 0
    assert !product.valid?
    assert_equal "should be at least 0.01", product.errors.on(:price)
 
    product.price = 1
    assert product.valid?
  end
 
  test "image url" do
    ok = %w{ fred.gif fred.jpg fred.png FRED.JPG FRED.Jpg
             http://a.b.c/x/y/z/fred.gif }
    bad = %w{ fred.doc fred.gif/more fred.gif.more }
    
    ok.each do |name|
      product = Product.new(:title       => "My Book Title",
                            :description => "yyy",
                            :price       => 1,
                            :image_url   => name)
      assert product.valid?, product.errors.full_messages
    end
 
    bad.each do |name|
      product = Product.new(:title => "My Book Title",
                            :description => "yyy",
                            :price => 1,
                            :image_url => name)
      assert !product.valid?, "saving #{name}"
    end
  end
 
  test "unique title" do
    product = Product.new(:title       => products(:ruby_book).title,
                          :description => "yyy", 
                          :price       => 1, 
                          :image_url   => "fred.gif")
 
    assert !product.save
    assert_equal "has already been taken", product.errors.on(:title)
  end
 
  test "unique title1" do
    product = Product.new(:title       => products(:ruby_book).title,
                          :description => "yyy", 
                          :price       => 1, 
                          :image_url   => "fred.gif")
 
    assert !product.save
    assert_equal I18n.translate('activerecord.errors.messages.taken'),
                 product.errors.on(:title)
  end
  
end
edit test/fixtures/products.yml
ruby_book:
  title:       Programming Ruby
  description: Dummy description
  price:       1234
  image_url:   ruby.png
 
rails_book:
  title:       Agile Web Development with Rails
  description: Dummy description
  price:       2345
  image_url:   rails.png
  
rake test:units
(in /home/rubys/git/awdwr/work/depot)
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/unit/helpers/products_helper_test.rb" "test/unit/helpers/info_helper_test.rb" "test/unit/helpers/admin_helper_test.rb" "test/unit/helpers/line_items_helper_test.rb" "test/unit/helpers/orders_helper_test.rb" "test/unit/helpers/users_helper_test.rb" "test/unit/helpers/store_helper_test.rb" "test/unit/product_test.rb" "test/unit/user_test.rb" "test/unit/line_item_test.rb" "test/unit/order_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.........
Finished in 0.195991 seconds.
 
9 tests, 27 assertions, 0 failures, 0 errors
edit test/unit/cart_test.rb
require 'test_helper'

    
class CartTest < ActiveSupport::TestCase
  fixtures :products
  def test_add_unique_products
    cart = Cart.new
    rails_book = products(:rails_book)
    ruby_book  = products(:ruby_book)
    cart.add_product rails_book
    cart.add_product ruby_book
    assert_equal 2, cart.items.size
    assert_equal rails_book.price + ruby_book.price, cart.total_price
  end
  
  def test_add_duplicate_product
    cart = Cart.new
    rails_book = products(:rails_book)
    cart.add_product rails_book
    cart.add_product rails_book
    assert_equal 2*rails_book.price, cart.total_price
    assert_equal 1, cart.items.size
    assert_equal 2, cart.items[0].quantity
  end 
end
ruby -I test test/unit/cart_test.rb
Loaded suite test/unit/cart_test
Started
..
Finished in 0.120317 seconds.
 
2 tests, 5 assertions, 0 failures, 0 errors
edit test/unit/cart_test1.rb
require 'test_helper'

    
class CartTest < ActiveSupport::TestCase
  fixtures :products

    
  def setup
    @cart  = Cart.new
    @rails = products(:rails_book)
    @ruby  = products(:ruby_book)
  end
  
  def test_add_unique_products
    @cart.add_product @rails
    @cart.add_product @ruby
    assert_equal 2, @cart.items.size
    assert_equal @rails.price + @ruby.price, @cart.total_price
  end

    
  def test_add_duplicate_product
    @cart.add_product @rails
    @cart.add_product @rails
    assert_equal 2*@rails.price, @cart.total_price
    assert_equal 1, @cart.items.size
    assert_equal 2, @cart.items[0].quantity
  end 
end
ruby -I test test/unit/cart_test1.rb
Loaded suite test/unit/cart_test1
Started
..
Finished in 0.120659 seconds.
 
2 tests, 5 assertions, 0 failures, 0 errors

14.3 Functional Testing of Controllers

edit app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
  layout "store"
  before_filter :authorize, :except => :login
  #...
 
 
protected
  def authorize
    unless User.find_by_id(session[:user_id])
      flash[:notice] = "Please log in"
      redirect_to :controller => 'admin', :action => 'login'
    end
  end
 
  def set_locale
    session[:locale] = params[:locale] if params[:locale]
    I18n.locale = session[:locale] || I18n.default_locale
 
    locale_path = "#{LOCALES_DIRECTORY}#{I18n.locale}.yml"
 
    unless I18n.load_path.include? locale_path
      I18n.load_path << locale_path
      I18n.backend.send(:init_translations)
    end
 
  rescue Exception => err
    logger.error err
    flash.now[:notice] = "#{I18n.locale} translation not available"
 
    I18n.load_path -= [locale_path]
    I18n.locale = session[:locale] = I18n.default_locale
  end
end
edit test/functional/admin_controller_test.rb
require 'test_helper'
 
class AdminControllerTest < ActionController::TestCase
 
  fixtures :users
  
  # Replace this with your real tests.
  test "the truth" do
    assert true
  end
  
  if false
    test "index" do
      get :index 
      assert_response :success 
    end
  end
 
  test "index without user" do
    get :index
    assert_redirected_to :action => "login"
    assert_equal "Please log in", flash[:notice]
  end
 
  test "index with user" do
    get :index, {}, { :user_id => users(:dave).id }
    assert_response :success
    assert_template "index"
  end
 
  test "login" do
    dave = users(:dave)
    post :login, :name => dave.name, :password => 'secret'
    assert_redirected_to :action => "index"
    assert_equal dave.id, session[:user_id]
  end
 
  test "bad password" do
    dave = users(:dave)
    post :login, :name => dave.name, :password => 'wrong'
    assert_template "login"
  end
end
edit test/fixtures/users.yml
<% SALT = "NaCl" unless defined?(SALT) %>
 
dave:
  name: dave
  salt: <%= SALT %>
  hashed_password: <%= User.encrypted_password('secret', SALT) %>
ruby -I test test/functional/admin_controller_test.rb
Loaded suite test/functional/admin_controller_test
Started
.....
Finished in 0.252365 seconds.
 
5 tests, 8 assertions, 0 failures, 0 errors

14.4 Integration Testing of Applications

ruby script/generate integration_test user_stories
      exists  test/integration/
      create  test/integration/user_stories_test.rb
edit test/integration/user_stories_test.rb
require 'test_helper'
 
class UserStoriesTest < ActionController::IntegrationTest
  fixtures :products
 
  # A user goes to the index page. They select a product, adding it to their
  # cart, and check out, filling in their details on the checkout form. When
  # they submit, an order is created containing their information, along with a
  # single line item corresponding to the product they added to their cart.
  
  test "buying a product" do
    LineItem.delete_all
    Order.delete_all
    ruby_book = products(:ruby_book)
 
    get "/store/index"
    assert_response :success
    assert_template "index"
    
    xml_http_request :put, "/store/add_to_cart/#{ruby_book.id}"
    assert_response :success 
    
    cart = session[:cart]
    assert_equal 1, cart.items.size
    assert_equal ruby_book, cart.items[0].product
    
    post "/store/checkout"
    assert_response :success
    assert_template "checkout"
    
    post_via_redirect "/store/save_order",
                      :order => { :name     => "Dave Thomas",
                                 :address  => "123 The Street",
                                 :email    => "dave@example.com",
                                 :pay_type => "check" }
    assert_response :success
    assert_template "index"
    assert_equal 0, session[:cart].items.size
    
    orders = Order.find(:all)
    assert_equal 1, orders.size
    order = orders[0]
    
    assert_equal "Dave Thomas",       order.name
    assert_equal "123 The Street",    order.address
    assert_equal "dave@example.com", order.email
    assert_equal "check",             order.pay_type
    
    assert_equal 1, order.line_items.size
    line_item = order.line_items[0]
    assert_equal ruby_book, line_item.product
  end
end
ruby -I test test/integration/user_stories_test.rb
Loaded suite test/integration/user_stories_test
Started
.
Finished in 0.529087 seconds.
 
1 tests, 17 assertions, 0 failures, 0 errors
edit test/integration/dsl_user_stories_test.rb
require 'test_helper'

    
class DslUserStoriesTest < ActionController::IntegrationTest
  fixtures :products

    

    
  DAVES_DETAILS = {
      :name     => "Dave Thomas",
      :address  => "123 The Street",
      :email    => "dave@example.com",
      :pay_type => "check"
  }

    
  MIKES_DETAILS = {
      :name     => "Mike Clark",
      :address  => "345 The Avenue",
      :email    => "mike@pragmaticstudio.com",
      :pay_type => "cc"
  }
  
  
    
  def setup
    LineItem.delete_all
    Order.delete_all
    @ruby_book = products(:ruby_book)
    @rails_book = products(:rails_book)
  end 
  
  # A user goes to the store index page. They select a product,
  # adding it to their cart. They then check out, filling in
  # their details on the checkout form. When they submit,
  # an order is created in the database containing
  # their information, along with a single line item
  # corresponding to the product they added to their cart.
  
  def test_buying_a_product
    dave = regular_user
    dave.get "/store/index"
    dave.is_viewing "index"
    dave.buys_a @ruby_book
    dave.has_a_cart_containing @ruby_book
    dave.checks_out DAVES_DETAILS
    dave.is_viewing "index"
    check_for_order DAVES_DETAILS, @ruby_book
  end

    
  def test_two_people_buying
    dave = regular_user
        mike = regular_user
    dave.buys_a @ruby_book
        mike.buys_a @rails_book
    dave.has_a_cart_containing @ruby_book
    dave.checks_out DAVES_DETAILS
        mike.has_a_cart_containing @rails_book
    check_for_order DAVES_DETAILS, @ruby_book
        mike.checks_out MIKES_DETAILS
        check_for_order MIKES_DETAILS, @rails_book
  end
  
  def regular_user
    open_session do |user|
      def user.is_viewing(page)
        assert_response :success
        assert_template page
      end
    
      def user.buys_a(product)
        xml_http_request :put, "/store/add_to_cart/#{product.id}"
        assert_response :success 
      end
    
      def user.has_a_cart_containing(*products)
        cart = session[:cart]
        assert_equal products.size, cart.items.size
        for item in cart.items
          assert products.include?(item.product)
        end
      end
    
      def user.checks_out(details)
        post "/store/checkout"
        assert_response :success
        assert_template "checkout"

    
        post_via_redirect "/store/save_order",
                          :order => { :name     => details[:name],
                                     :address  => details[:address],
                                     :email    => details[:email],
                                     :pay_type => details[:pay_type]
                                    }
        assert_response :success
        assert_template "index"
        assert_equal 0, session[:cart].items.size
      end
    end  
  end
  
  def check_for_order(details, *products)
    order = Order.find_by_name(details[:name])
    assert_not_nil order
    
    assert_equal details[:name],     order.name
    assert_equal details[:address],  order.address
    assert_equal details[:email],    order.email
    assert_equal details[:pay_type], order.pay_type
    
    assert_equal products.size, order.line_items.size
    for line_item in order.line_items
      assert products.include?(line_item.product)
    end
  end
end
ruby -I test test/integration/dsl_user_stories_test.rb
Loaded suite test/integration/dsl_user_stories_test
Started
..
Finished in 0.855887 seconds.
 
2 tests, 49 assertions, 0 failures, 0 errors

14.5 Performance Testing

mkdir test/fixtures/performance/
edit test/fixtures/performance/products.yml
<% 1.upto(1000) do |i| %>
product_<%= i %>:
  id: <%= i %>
  title: Product Number <%= i %>
  description: My description
  image_url: product.gif
  price: 1234
<% end %>
edit test/performance/order_speed_test.rb
require 'test_helper'
require 'store_controller'

    
class OrderSpeedTest < ActionController::TestCase
  tests StoreController
  
  DAVES_DETAILS = {
      :name     => "Dave Thomas",
      :address  => "123 The Street",
      :email    => "dave@example.com",
      :pay_type => "check"
  }
  
  self.fixture_path = File.join(File.dirname(__FILE__), "../fixtures/performance")
  fixtures :products
  

    
  def test_100_orders
    Order.delete_all
    LineItem.delete_all

    
    @controller.logger.silence do
      elapsed_time = Benchmark.realtime do
        100.downto(1) do |prd_id|
          cart = Cart.new
          cart.add_product(Product.find(prd_id))
          post :save_order, 
               { :order => DAVES_DETAILS },
               { :cart  => cart }
          assert_redirected_to :action => :index
        end         
      end       
      assert_equal 100, Order.count
      assert elapsed_time < 3.00
    end
  end
end
ruby -I test test/performance/order_speed_test.rb
Loaded suite test/performance/order_speed_test
Started
.
Finished in 3.132438 seconds.
 
1 tests, 102 assertions, 0 failures, 0 errors
edit app/models/user.rb
require 'digest/sha1'
 
class User < ActiveRecord::Base
  
  validates_presence_of     :name
  validates_uniqueness_of   :name
 
  attr_accessor :password_confirmation
  validates_confirmation_of :password
 
  validate :password_non_blank
  
  def self.authenticate(name, password)
    user = self.find_by_name(name)
    if user
      expected_password = encrypted_password(password, user.salt)
      if user.hashed_password != expected_password
        user = nil
      end
    end
    user
  end
  
  # 'password' is a virtual attribute
  def password
    @password
  end
  
  def password=(pwd)
    @password = pwd
    return if pwd.blank?
    create_new_salt
    self.hashed_password = User.encrypted_password(self.password, self.salt)
  end
  
  def after_destroy
    if User.count.zero?
      raise "Can't delete last user"
    end
  end     
 
private
 
  def password_non_blank
    errors.add(:password, "Missing password") if hashed_password.blank?
  end
  
  def create_new_salt
    self.salt = self.object_id.to_s + rand.to_s
  end
  
  def self.encrypted_password(password, salt)
    100000.times { Math.sin(1)}
    string_to_hash = password + "wibble" + salt
    Digest::SHA1.hexdigest(string_to_hash)
  end
end
ruby script/performance/benchmarker "User.encrypted_password(\"secret\", \"salt\")"
            user     system      total        real
#1      0.230000   0.010000   0.240000 (  0.397860)
ruby script/performance/profiler "User.encrypted_password(\"secret\", \"salt\")"
Loading Rails...
Using the standard Ruby profiler.
  %   cumulative   self              self     total
 time   seconds   seconds    calls  ms/call  ms/call  name
 75.00     3.81      3.81        1  3810.00  4960.00  Integer#times
 22.64     4.96      1.15   100000     0.01     0.01  Math.sin
  0.98     5.01      0.05        4    12.50    15.00  Array#select
  0.79     5.05      0.04        5     8.00     8.00  Array#map
  0.20     5.06      0.01        1    10.00    10.00  ActiveRecord::DynamicScopeMatch#initialize
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  0.00     5.08      0.00       10     0.00     0.00  ActiveSupport::Dependencies.uninherited_const_defined?
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  0.00     5.08      0.00        1     0.00   120.00  ActiveSupport::Dependencies.load_missing_constant
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  0.00     5.08      0.00        1     0.00   110.00  ActiveSupport::Dependencies.require_or_load
  0.00     5.08      0.00        2     0.00     0.00  Array#initialize_copy
  0.00     5.08      0.00        8     0.00     0.00  Regexp#escape
  0.00     5.08      0.00        1     0.00  5080.00  #toplevel
edit app/models/user.rb

15 Rails In Depth

rake db:version
(in /home/rubys/git/awdwr/work/depot)
Current version: 20080601000007
edit lib/tasks/db_schema_migrations.rake
namespace :db do
  desc "Prints the migrated versions"
  task :schema_migrations => :environment do
    puts ActiveRecord::Base.connection.select_values(
      'select version from schema_migrations order by version' )
  end
end
rake db:schema_migrations
(in /home/rubys/git/awdwr/work/depot)
20080601000001
20080601000002
20080601000003
20080601000004
20080601000005
20080601000006
20080601000007
ls log
development.log
development.log.0
production.log
server.log
test.log
find script -type f
script/generate
script/destroy
script/runner
script/plugin
script/console
script/performance/benchmarker
script/performance/profiler
script/dbconsole
script/server
script/about
echo "puts $:" | ruby script/console
>> puts $:
/home/rubys/git/awdwr/work/depot/vendor/rails/activeresource/lib/../../activesupport/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/actionmailer/lib/action_mailer/vendor/tmail-1.2.3
/home/rubys/git/awdwr/work/depot/vendor/rails/actionpack/lib/../../activesupport/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/actionpack/lib/action_dispatch/vendor/rack-test
/home/rubys/git/awdwr/work/depot/vendor/rails/actionpack/lib/action_dispatch/vendor/rack-1.1.pre
/home/rubys/git/awdwr/work/depot/vendor/rails/activerecord/lib/../../activesupport/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/activesupport/lib/active_support/vendor/i18n-0.1.3/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/activesupport/lib/active_support/vendor/tzinfo-0.3.12
/home/rubys/git/awdwr/work/depot/vendor/rails/activesupport/lib/active_support/vendor/memcache-client-1.6.5
/home/rubys/git/awdwr/work/depot/vendor/rails/activesupport/lib/active_support/vendor/builder-2.1.2
/home/rubys/git/awdwr/work/depot/app/controllers/
/home/rubys/git/awdwr/work/depot/app
/home/rubys/git/awdwr/work/depot/app/models
/home/rubys/git/awdwr/work/depot/app/controllers
/home/rubys/git/awdwr/work/depot/app/helpers
/home/rubys/git/awdwr/work/depot/lib
/home/rubys/git/awdwr/work/depot/vendor
/home/rubys/git/awdwr/work/depot/config/../vendor/rails/railties/lib/../builtin/rails_info/
/home/rubys/git/awdwr/work/depot/vendor/rails/railties
/home/rubys/git/awdwr/work/depot/vendor/rails/railties/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/activesupport/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/actionpack/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/activerecord/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/actionmailer/lib
/home/rubys/git/awdwr/work/depot/vendor/rails/activeresource/lib
/home/rubys/git/awdwr/work/depot/config/../vendor/rails/railties/lib
/home/rubys/svn/rexml/src
/home/rubys/svn/html5lib/ruby/lib
/usr/local/lib/site_ruby/1.8
/usr/local/lib/site_ruby/1.8/i486-linux
/usr/local/lib/site_ruby/1.8/i386-linux
/usr/local/lib/site_ruby
/usr/lib/ruby/1.8
/usr/lib/ruby/1.8/i486-linux
/usr/lib/ruby/1.8/i386-linux
.
=> nil
>> 

16 Active Support

ruby /home/rubys/git/rails/railties/bin/rails namelist
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails

restart

ruby script/generate model person name:string
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/person.rb
      create  test/unit/person_test.rb
      create  test/fixtures/people.yml
      create  db/migrate
      create  db/migrate/20090528024920_create_people.rb
rake db:migrate
mv 20090528024920_create_people.rb 20080601000001_create_people.rb
(in /home/rubys/git/awdwr/work/namelist)
==  CreatePeople: migrating ===================================================
-- create_table(:people)
   -> 0.0016s
==  CreatePeople: migrated (0.0017s) ==========================================
 
edit app/controllers/people_controller.rb
class PeopleController < ApplicationController

    
  def index
    @person = Person.new(params[:person])
    @person.save! if request.post?
    @people = Person.find(:all)
  end
end
edit app/views/layouts/people.html.erb
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
  <head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8"></meta>
    <title>My Name List</title>
  </head>
  <body>
    <%= yield :layout %>
  </body>
</html>
mkdir app/views/people
edit app/views/people/index.html.erb
<table border="1">
  <tr>
    <th>Name</th><th>bytes</th><th>chars</th><th>reversed</th>
  </tr>
  <% for person in @people %>
    <tr>  
      <td><%=h person.name %></td>
      <td><%= person.name.length %></td>
      <td><%= person.name.chars.length %></td>
      <td><%=h person.name.chars.reverse %></td>
    </tr>
  <% end %>
</table>

    
<% form_for :person do |form| %>
  New name: <%= form.text_field :name %>
  <%= submit_tag "Add" %>
<% end %>
get /people

Routing Error

No route matches "people" with {:method=>:get}
get /people

Routing Error

No route matches "people" with {:method=>:get}
sqlite3> select name,length(name) from people where name like 'G%'

17 Migration

<"uninitialized constant TestDiscounts::Sku"> expected but was
<"rake aborted!">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:260
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_17_Migration'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby /home/rubys/git/rails/railties/bin/rails migration
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
cp -rpv /home/rubys/git/awdwr/plugins/* vendor/plugins/
`/home/rubys/git/awdwr/plugins/MANIFEST' -> `vendor/plugins/MANIFEST'
`/home/rubys/git/awdwr/plugins/acts_as_list' -> `vendor/plugins/acts_as_list'
`/home/rubys/git/awdwr/plugins/acts_as_list/lib' -> `vendor/plugins/acts_as_list/lib'
`/home/rubys/git/awdwr/plugins/acts_as_list/lib/active_record' -> `vendor/plugins/acts_as_list/lib/active_record'
`/home/rubys/git/awdwr/plugins/acts_as_list/lib/active_record/acts' -> `vendor/plugins/acts_as_list/lib/active_record/acts'
`/home/rubys/git/awdwr/plugins/acts_as_list/lib/active_record/acts/list.rb' -> `vendor/plugins/acts_as_list/lib/active_record/acts/list.rb'
`/home/rubys/git/awdwr/plugins/acts_as_list/init.rb' -> `vendor/plugins/acts_as_list/init.rb'
`/home/rubys/git/awdwr/plugins/acts_as_list/test' -> `vendor/plugins/acts_as_list/test'
`/home/rubys/git/awdwr/plugins/acts_as_list/test/list_test.rb' -> `vendor/plugins/acts_as_list/test/list_test.rb'
`/home/rubys/git/awdwr/plugins/acts_as_list/README' -> `vendor/plugins/acts_as_list/README'
`/home/rubys/git/awdwr/plugins/acts_as_tree' -> `vendor/plugins/acts_as_tree'
`/home/rubys/git/awdwr/plugins/acts_as_tree/lib' -> `vendor/plugins/acts_as_tree/lib'
`/home/rubys/git/awdwr/plugins/acts_as_tree/lib/active_record' -> `vendor/plugins/acts_as_tree/lib/active_record'
`/home/rubys/git/awdwr/plugins/acts_as_tree/lib/active_record/acts' -> `vendor/plugins/acts_as_tree/lib/active_record/acts'
`/home/rubys/git/awdwr/plugins/acts_as_tree/lib/active_record/acts/tree.rb' -> `vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb'
`/home/rubys/git/awdwr/plugins/acts_as_tree/init.rb' -> `vendor/plugins/acts_as_tree/init.rb'
`/home/rubys/git/awdwr/plugins/acts_as_tree/Rakefile' -> `vendor/plugins/acts_as_tree/Rakefile'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test' -> `vendor/plugins/acts_as_tree/test'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/fixtures' -> `vendor/plugins/acts_as_tree/test/fixtures'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/fixtures/mixin.rb' -> `vendor/plugins/acts_as_tree/test/fixtures/mixin.rb'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/fixtures/mixins.yml' -> `vendor/plugins/acts_as_tree/test/fixtures/mixins.yml'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/database.yml' -> `vendor/plugins/acts_as_tree/test/database.yml'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/acts_as_tree_test.rb' -> `vendor/plugins/acts_as_tree/test/acts_as_tree_test.rb'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/abstract_unit.rb' -> `vendor/plugins/acts_as_tree/test/abstract_unit.rb'
`/home/rubys/git/awdwr/plugins/acts_as_tree/test/schema.rb' -> `vendor/plugins/acts_as_tree/test/schema.rb'
`/home/rubys/git/awdwr/plugins/acts_as_tree/README' -> `vendor/plugins/acts_as_tree/README'
`/home/rubys/git/awdwr/plugins/annotate_models' -> `vendor/plugins/annotate_models'
`/home/rubys/git/awdwr/plugins/annotate_models/lib' -> `vendor/plugins/annotate_models/lib'
`/home/rubys/git/awdwr/plugins/annotate_models/lib/annotate_models.rb' -> `vendor/plugins/annotate_models/lib/annotate_models.rb'
`/home/rubys/git/awdwr/plugins/annotate_models/ChangeLog' -> `vendor/plugins/annotate_models/ChangeLog'
`/home/rubys/git/awdwr/plugins/annotate_models/README' -> `vendor/plugins/annotate_models/README'
`/home/rubys/git/awdwr/plugins/annotate_models/tasks' -> `vendor/plugins/annotate_models/tasks'
`/home/rubys/git/awdwr/plugins/annotate_models/tasks/annotate_models_tasks.rake' -> `vendor/plugins/annotate_models/tasks/annotate_models_tasks.rake'
`/home/rubys/git/awdwr/plugins/country_select' -> `vendor/plugins/country_select'
`/home/rubys/git/awdwr/plugins/country_select/lib' -> `vendor/plugins/country_select/lib'
`/home/rubys/git/awdwr/plugins/country_select/lib/country_select.rb' -> `vendor/plugins/country_select/lib/country_select.rb'
`/home/rubys/git/awdwr/plugins/country_select/init.rb' -> `vendor/plugins/country_select/init.rb'
`/home/rubys/git/awdwr/plugins/country_select/install.rb' -> `vendor/plugins/country_select/install.rb'
`/home/rubys/git/awdwr/plugins/country_select/MIT-LICENSE' -> `vendor/plugins/country_select/MIT-LICENSE'
`/home/rubys/git/awdwr/plugins/country_select/uninstall.rb' -> `vendor/plugins/country_select/uninstall.rb'
`/home/rubys/git/awdwr/plugins/country_select/README' -> `vendor/plugins/country_select/README'

restart

cp -v -r ../depot/db/* db/
`../depot/db/development.sqlite3' -> `db/development.sqlite3'
`../depot/db/migrate' -> `db/migrate'
`../depot/db/migrate/20080601000002_add_price_to_product.rb' -> `db/migrate/20080601000002_add_price_to_product.rb'
`../depot/db/migrate/20080601000007_create_users.rb' -> `db/migrate/20080601000007_create_users.rb'
`../depot/db/migrate/20080601000006_create_line_items.rb' -> `db/migrate/20080601000006_create_line_items.rb'
`../depot/db/migrate/20080601000003_add_test_data.rb' -> `db/migrate/20080601000003_add_test_data.rb'
`../depot/db/migrate/20080601000004_create_sessions.rb' -> `db/migrate/20080601000004_create_sessions.rb'
`../depot/db/migrate/20080601000001_create_products.rb' -> `db/migrate/20080601000001_create_products.rb'
`../depot/db/migrate/20080601000005_create_orders.rb' -> `db/migrate/20080601000005_create_orders.rb'
`../depot/db/schema.rb' -> `db/schema.rb'
`../depot/db/seeds.rb' -> `db/seeds.rb'
`../depot/db/test.sqlite3' -> `db/test.sqlite3'
cp -v -r ../depot/app/models/* app/models/
`../depot/app/models/cart.rb' -> `app/models/cart.rb'
`../depot/app/models/cart_item.rb' -> `app/models/cart_item.rb'
`../depot/app/models/line_item.rb' -> `app/models/line_item.rb'
`../depot/app/models/order.rb' -> `app/models/order.rb'
`../depot/app/models/product.rb' -> `app/models/product.rb'
`../depot/app/models/user.rb' -> `app/models/user.rb'
ruby script/generate model discount
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/discount.rb
      create  test/unit/discount_test.rb
      create  test/fixtures/discounts.yml
      exists  db/migrate
      create  db/migrate/20090528024928_create_discounts.rb
ruby script/generate migration add_status_to_user status:string
      exists  db/migrate
      create  db/migrate/20090528024930_add_status_to_user.rb
cp -v /home/rubys/git/awdwr/data/migrate/020* db/migrate
`/home/rubys/git/awdwr/data/migrate/020_add_email_to_orders.rb' -> `db/migrate/020_add_email_to_orders.rb'
rake db:migrate
mv 020_add_email_to_orders.rb 20080601000008_add_email_to_orders.rb
mv 20090528024928_create_discounts.rb 20080601000009_create_discounts.rb
mv 20090528024930_add_status_to_user.rb 20080601000010_add_status_to_user.rb
(in /home/rubys/git/awdwr/work/migration)
==  AddEmailToOrders: migrating ===============================================
-- add_column(:orders, :e_mail, :string)
   -> 0.0122s
==  AddEmailToOrders: migrated (0.0123s) ======================================
 
==  CreateDiscounts: migrating ================================================
-- create_table(:discounts)
   -> 0.0014s
==  CreateDiscounts: migrated (0.0015s) =======================================
 
==  AddStatusToUser: migrating ================================================
-- add_column(:users, :status, :string)
   -> 0.0009s
==  AddStatusToUser: migrated (0.0010s) =======================================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000010
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/021* db/migrate
`/home/rubys/git/awdwr/data/migrate/021_add_placed_at_to_orders.rb' -> `db/migrate/021_add_placed_at_to_orders.rb'
rake db:migrate
mv 021_add_placed_at_to_orders.rb 20080601000011_add_placed_at_to_orders.rb
(in /home/rubys/git/awdwr/work/migration)
==  AddPlacedAtToOrders: migrating ============================================
-- add_column(:orders, :placed_at, :datetime, {:default=>Wed May 27 22:49:38 -0400 2009})
   -> 0.0017s
==  AddPlacedAtToOrders: migrated (0.0019s) ===================================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000011
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/022* db/migrate
`/home/rubys/git/awdwr/data/migrate/022_add_columns_to_orders.rb' -> `db/migrate/022_add_columns_to_orders.rb'
rake db:migrate
mv 022_add_columns_to_orders.rb 20080601000012_add_columns_to_orders.rb
(in /home/rubys/git/awdwr/work/migration)
==  AddColumnsToOrders: migrating =============================================
-- add_column(:orders, :attn, :string, {:limit=>100})
   -> 0.0012s
-- add_column(:orders, :order_type, :integer)
   -> 0.0007s
-- add_column(:orders, :ship_class, :string, {:default=>"priority", :null=>false})
   -> 0.0007s
-- add_column(:orders, :amount, :decimal, {:precision=>8, :scale=>2})
   -> 0.0112s
-- add_column(:orders, :state, :string, {:limit=>2})
   -> 0.0007s
==  AddColumnsToOrders: migrated (0.0151s) ====================================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000012
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/023* db/migrate
`/home/rubys/git/awdwr/data/migrate/023_rename_email_column.rb' -> `db/migrate/023_rename_email_column.rb'
rake db:migrate
mv 023_rename_email_column.rb 20080601000013_rename_email_column.rb
(in /home/rubys/git/awdwr/work/migration)
==  RenameEmailColumn: migrating ==============================================
-- rename_column(:orders, :e_mail, :customer_email)
   -> 0.0690s
==  RenameEmailColumn: migrated (0.0692s) =====================================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000013
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/024* db/migrate
`/home/rubys/git/awdwr/data/migrate/024_change_order_type_to_string.rb' -> `db/migrate/024_change_order_type_to_string.rb'
rake db:migrate
mv 024_change_order_type_to_string.rb 20080601000014_change_order_type_to_string.rb
(in /home/rubys/git/awdwr/work/migration)
==  ChangeOrderTypeToString: migrating ========================================
-- change_column(:orders, :order_type, :string)
   -> 0.0628s
==  ChangeOrderTypeToString: migrated (0.0629s) ===============================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000014
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/025* db/migrate
`/home/rubys/git/awdwr/data/migrate/025_create_order_histories.rb' -> `db/migrate/025_create_order_histories.rb'
rake db:migrate
mv 025_create_order_histories.rb 20080601000015_create_order_histories.rb
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories: migrating ===========================================
-- create_table(:order_histories)
   -> 0.0076s
==  CreateOrderHistories: migrated (0.0078s) ==================================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000015
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/026* db/migrate
`/home/rubys/git/awdwr/data/migrate/026_create_table_tickets.rb' -> `db/migrate/026_create_table_tickets.rb'
rake db:migrate
mv 026_create_table_tickets.rb 20080601000016_create_table_tickets.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: near "auto_increment": syntax error: CREATE TABLE "tickets" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "description" text, "text" text, "created_at" datetime, "updated_at" datetime) auto_increment = 10000

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateTableTickets: migrating =============================================
-- create_table(:tickets, {:options=>"auto_increment = 10000"})
rm db/migrate/20080601000016_create_table_tickets.rb
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000015
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/027* db/migrate
`/home/rubys/git/awdwr/data/migrate/027_rename_order_histories.rb' -> `db/migrate/027_rename_order_histories.rb'
rake db:migrate
mv 027_rename_order_histories.rb 20080601000016_rename_order_histories.rb
(in /home/rubys/git/awdwr/work/migration)
==  RenameOrderHistories: migrating ===========================================
-- rename_table(:order_histories, :order_notes)
   -> 0.0011s
==  RenameOrderHistories: migrated (0.0012s) ==================================
 
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/028* db/migrate
`/home/rubys/git/awdwr/data/migrate/028_create_order_histories2.rb' -> `db/migrate/028_create_order_histories2.rb'
rake db:migrate
mv 028_create_order_histories2.rb 20080601000017_create_order_histories2.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:15.515365', 'test', '2009-05-28 02:50:15.515365')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/029* db/migrate
`/home/rubys/git/awdwr/data/migrate/029_add_customer_name_index_to_orders.rb' -> `db/migrate/029_add_customer_name_index_to_orders.rb'
rake db:migrate
mv 029_add_customer_name_index_to_orders.rb 20080601000018_add_customer_name_index_to_orders.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:21.229979', 'test', '2009-05-28 02:50:21.229979')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/030* db/migrate
`/home/rubys/git/awdwr/data/migrate/030_create_author_book.rb' -> `db/migrate/030_create_author_book.rb'
rake db:migrate
mv 030_create_author_book.rb 20080601000019_create_author_book.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:26.883340', 'test', '2009-05-28 02:50:26.883340')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0021s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/031* db/migrate
`/home/rubys/git/awdwr/data/migrate/031_create_table_tickets.rb' -> `db/migrate/031_create_table_tickets.rb'
rake db:migrate
mv 031_create_table_tickets.rb 20080601000020_create_table_tickets.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:32.540615', 'test', '2009-05-28 02:50:32.540615')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/032* db/migrate
`/home/rubys/git/awdwr/data/migrate/032_test_discounts.rb' -> `db/migrate/032_test_discounts.rb'
rake db:migrate
mv 032_test_discounts.rb 20080601000021_test_discounts.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:35.921981', 'test', '2009-05-28 02:50:35.921981')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rm db/migrate/20080601000021_test_discounts.rb
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
mkdir db/migrate/dev_data
cp /home/rubys/git/awdwr/data/migrate/users.yml db/migrate/dev_data
rake db:migrate
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:38.710565', 'test', '2009-05-28 02:50:38.710565')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/034* db/migrate
`/home/rubys/git/awdwr/data/migrate/034_load_user_data.rb' -> `db/migrate/034_load_user_data.rb'
rake db:migrate
mv 034_load_user_data.rb 20080601000021_load_user_data.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:41.495920', 'test', '2009-05-28 02:50:41.495920')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/035* db/migrate
`/home/rubys/git/awdwr/data/migrate/035_change_price_to_integer.rb' -> `db/migrate/035_change_price_to_integer.rb'
rake db:migrate
mv 035_change_price_to_integer.rb 20080601000022_change_price_to_integer.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:44.279098', 'test', '2009-05-28 02:50:44.279098')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0021s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/036* db/migrate
`/home/rubys/git/awdwr/data/migrate/036_total_price_to_unit.rb' -> `db/migrate/036_total_price_to_unit.rb'
rake db:migrate
mv 036_total_price_to_unit.rb 20080601000023_total_price_to_unit.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:47.038561', 'test', '2009-05-28 02:50:47.038561')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0020s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to
cp -v /home/rubys/git/awdwr/data/migrate/037* db/migrate
`/home/rubys/git/awdwr/data/migrate/037_add_foreign_key.rb' -> `db/migrate/037_add_foreign_key.rb'
cp -v /home/rubys/git/awdwr/data/migrate/migration_helpers.rb lib
`/home/rubys/git/awdwr/data/migrate/migration_helpers.rb' -> `lib/migration_helpers.rb'
rake db:migrate
mv 037_add_foreign_key.rb 20080601000024_add_foreign_key.rb
rake aborted!
An error has occurred, this and all later migrations canceled:

    
SQLite3::SQLException: order_histories.order_id may not be NULL: INSERT INTO "order_histories" ("order_id", "updated_at", "notes", "created_at") VALUES(NULL, '2009-05-28 02:50:49.822956', 'test', '2009-05-28 02:50:49.822956')

    
(See full trace by running task with --trace)
(in /home/rubys/git/awdwr/work/migration)
==  CreateOrderHistories2: migrating ==========================================
-- create_table(:order_histories)
   -> 0.0024s
rake annotate_models
(in /home/rubys/git/awdwr/work/migration)
Skipping Cart
Skipping CartItem
Annotating User
Annotating Discount
Annotating Product
Annotating LineItem
Annotating Order
cat app/models/line_item.rb
# == Schema Information
# Schema version: 20080601000016
#
# Table name: line_items
#
#  id          :integer         not null, primary key
#  product_id  :integer         not null
#  order_id    :integer         not null
#  quantity    :integer         not null
#  total_price :decimal(8, 2)   not null
#  created_at  :datetime        
#  updated_at  :datetime        
#
 
#START:belongs_to
class LineItem < ActiveRecord::Base
  belongs_to :order
  belongs_to :product
#END:belongs_to
 
  def self.from_cart_item(cart_item)
    li = self.new
    li.product     = cart_item.product
    li.quantity    = cart_item.quantity
    li.total_price = cart_item.price
    li
  end
 
#START:belongs_to
end
#END:belongs_to

18 Active Record: The Basics

<"            id = 1"> expected but was
<">> Product.find(:first).price_before_type_cast">.

Traceback:
  ./checkdepot.rb:294
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_18_Active_Record:_The_Basics'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
echo "Order.column_names" | ruby script/console
>> Order.column_names
=> ["id", "name", "address", "email", "pay_type", "created_at", "updated_at", "customer_email", "placed_at", "attn", "order_type", "ship_class", "amount", "state"]
>> 
echo "Order.columns_hash[\"pay_type\"]" | ruby script/console
>> Order.columns_hash["pay_type"]
=> #<ActiveRecord::ConnectionAdapters::SQLiteColumn:0xb73966bc @null=true, @scale=nil, @sql_type="varchar(10)", @default=nil, @type=:string, @precision=nil, @primary=false, @name="pay_type", @limit=10>
>> 
sqlite3> select * from orders limit 1
echo "Product.find(:first).price_before_type_cast" | ruby script/console
>> Product.find(:first).price_before_type_cast
=> "29.95"
>> 
echo "Product.find(:first).updated_at_before_type_cast" | ruby script/console
>> Product.find(:first).updated_at_before_type_cast
=> "2009-05-28 02:47:14.382751"
>> 
irb e1/ar/new_examples.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> class Order < ActiveRecord::Base
>> end
=> nil
 
?> an_order = Order.new
=> #<Order id: nil, name: nil, address: nil, email: nil, pay_type: nil, created_at: nil, updated_at: nil, customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
>> an_order.name     = "Dave Thomas"
=> "Dave Thomas"
>> an_order.email    = "dave@example.com"
=> "dave@example.com"
>> an_order.address  = "123 Main St"
=> "123 Main St"
>> an_order.pay_type = "check"
=> "check"
>> an_order.save
=> true
 
?> Order.new do |o|
?>   o.name     = "Dave Thomas"
>>   # . . .
?>   o.save
>> end
=> #<Order id: 2, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
 
?> an_order = Order.new(
?>   :name     => "Dave Thomas",
?>   :email    => "dave@example.com",
?>   :address  => "123 Main St",
?>   :pay_type => "check")
=> #<Order id: nil, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: nil, updated_at: nil, customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
>> an_order.save
=> true
 
?> an_order = Order.new
=> #<Order id: nil, name: nil, address: nil, email: nil, pay_type: nil, created_at: nil, updated_at: nil, customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
>> an_order.name = "Dave Thomas"
=> "Dave Thomas"
>> # ...
?> an_order.save
=> true
>> puts "The ID of this order is #{an_order.id}"
The ID of this order is 4
=> nil
 
?> an_order = Order.create(
?>   :name     => "Dave Thomas",
?>   :email    => "dave@example.com",
?>   :address  => "123 Main St",
?>   :pay_type => "check")
=> #<Order id: 5, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
 
?> orders = Order.create(
?>   [ { :name     => "Dave Thomas",
?>       :email    => "dave@example.com",
?>       :address  => "123 Main St",
?>       :pay_type => "check"
>>     },
?>     { :name     => "Andy Hunt",
?>       :email    => "andy@example.com",
?>       :address  => "456 Gentle Drive",
?>       :pay_type => "po"
>>     } ] )
=> [#<Order id: 6, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 7, name: "Andy Hunt", address: "456 Gentle Drive", email: "andy@example.com", pay_type: "po", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>]
>> >> => nil
irb e1/ar/find_examples.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> ActiveRecord::Base.logger = Logger.new(STDOUT)
=> #<Logger:0xb7748508 @progname=nil, @formatter=nil, @default_formatter=#<Logger::Formatter:0xb77484e0 @datetime_format=nil>, @logdev=#<Logger::LogDevice:0xb77484b8 @mutex=#<Logger::LogDevice::LogDeviceMutex:0xb7748490 @mon_count=0, @mon_owner=nil, @mon_waiting_queue=[], @mon_entering_queue=[]>, @filename=nil, @shift_size=nil, @shift_age=nil, @dev=#<IO:0xb7c8ef6c>>, @level=0>
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
>> require "pp"
=> ["PP"]
 
>> @params = {}
=> {}
>> def params
>>   @params
>> end
=> nil
 
?> class Order < ActiveRecord::Base
>>   named_scope :check, :conditions => {:pay_type => 'check'}
>>   named_scope :cc,    :conditions => {:pay_type => 'cc'}
>>   named_scope :po,    :conditions => {:pay_type => 'po'}
>> end
=> #<Proc:0xb782edf0@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/named_scope.rb:101>
 
?> class Order < ActiveRecord::Base
>>   named_scope :recent, :conditions => ['created_at > ?', 1.week.ago]
>>   named_scope :since, lambda { |range| 
?>     { :conditions => ['created_at > ?', range] }
>>   }
>> end
=> #<Proc:0xb782edf0@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/named_scope.rb:101>
 
>> class LineItem < ActiveRecord::Base
>> end
=> nil
 
>> class Product < ActiveRecord::Base
>> end
=> nil
 
?> # return an arbitrary order
?> order = Order.find(:first)
  Order Load (1.2ms)   SELECT * FROM "orders" LIMIT 1
=> #<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
 
>> # return an order for Dave
?> order = Order.find(:first, :conditions => "name = 'Dave Thomas'")
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE (name = 'Dave Thomas') LIMIT 1
=> #<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
 
>> # return the latest order for Dave
?> order = Order.find(:first,
?>                    :conditions => "name = 'Dave Thomas'", 
?>                    :order      => "id DESC")
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE (name = 'Dave Thomas') ORDER BY id DESC LIMIT 1
=> #<Order id: 6, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
 
?> orders = LineItem.find_by_sql("select line_items.* from line_items, orders " +
?>                               " where order_id = orders.id                 " +
?>                               "   and orders.name = 'Dave Thomas'          ")
  LineItem Load (0.3ms)   select line_items.* from line_items, orders where order_id = orders.id and orders.name = 'Dave Thomas' 
=> []
 
 
?> orders = Order.find_by_sql("select name, pay_type from orders")
  Order Load (0.5ms)   select name, pay_type from orders
=> [#<Order name: "Dave Thomas", pay_type: "check">, #<Order name: "Dave Thomas", pay_type: nil>, #<Order name: "Dave Thomas", pay_type: "check">, #<Order name: "Dave Thomas", pay_type: nil>, #<Order name: "Dave Thomas", pay_type: "check">, #<Order name: "Dave Thomas", pay_type: "check">, #<Order name: "Andy Hunt", pay_type: "po">]
 
>> first = orders[0]
=> #<Order name: "Dave Thomas", pay_type: "check">
>> p first.attributes
{"name"=>"Dave Thomas", "pay_type"=>"check"}
=> nil
>> p first.attribute_names
["name", "pay_type"]
=> nil
>> p first.attribute_present?("address")
false
=> nil
 
 
?> p Order.all
  Order Load (1.5ms)   SELECT * FROM "orders" 
[#<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 2, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 3, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 4, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 5, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 6, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 7, name: "Andy Hunt", address: "456 Gentle Drive", email: "andy@example.com", pay_type: "po", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>]
=> nil
>> p Order.check(:order => "created_on desc").first
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE ("orders"."pay_type" = 'check') LIMIT 1
#<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
=> nil
>> p Order.po.recent.count
  SQL (0.4ms)   SELECT count(*) AS count_all FROM "orders" WHERE ((created_at > '2009-05-20 22:50:58') AND ("orders"."pay_type" = 'po')) 
1
=> nil
>> p Order.check.find_by_name('Dave Thomas')
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE ("orders"."name" = 'Dave Thomas') AND ("orders"."pay_type" = 'check') LIMIT 1
#<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
=> nil
 
?> p Order.po.recent(:order => :created_at)
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE ((created_at > '2009-05-20 22:50:58') AND ("orders"."pay_type" = 'po')) 
[#<Order id: 7, name: "Andy Hunt", address: "456 Gentle Drive", email: "andy@example.com", pay_type: "po", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>]
=> nil
>> p Order.po.since(1.week.ago)
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE ((created_at > '2009-05-20 22:50:58') AND ("orders"."pay_type" = 'po')) 
[#<Order id: 7, name: "Andy Hunt", address: "456 Gentle Drive", email: "andy@example.com", pay_type: "po", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>]
=> nil
 
>> LineItem.delete_all
  LineItem Delete all (0.5ms)   DELETE FROM "line_items" WHERE 1=1
=> 0
>> Product.delete_all
  Product Delete all (3.3ms)   DELETE FROM "products" WHERE 1=1
=> 3
>> p = Product.create(:title => "Programming Ruby", :price => 49.95)
  Product Create (0.4ms)   INSERT INTO "products" ("image_url", "updated_at", "title", "price", "description", "created_at") VALUES(NULL, '2009-05-27 22:50:58', 'Programming Ruby', 49.95, NULL, '2009-05-27 22:50:58')
=> #<Product id: 4, title: "Programming Ruby", description: nil, image_url: nil, created_at: "2009-05-27 22:50:58", updated_at: "2009-05-27 22:50:58", price: #<BigDecimal:b77989b8,'0.4995E2',8(8)>>
>> LineItem.create(:quantity => 2, :unit_price => 49.95, :total_price => 99.90,
?>   :product_id => p.id, :order_id => first)
ActiveRecord::UnknownAttributeError: unknown attribute: unit_price
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `attributes='
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `each'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `attributes='
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2439:in `initialize'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:726:in `new'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:726:in `create'
	from /home/rubys/git/awdwr/data/code/e1/ar/find_examples.rb:85
 
?> items = LineItem.find_by_sql("select *,                                  " +
?>                              "       quantity*unit_price as total_price, " +
?>                              "       products.title as title             " +
?>                              "  from line_items, products                " +
?>                              " where line_items.product_id = products.id ")
  LineItem Load (0.0ms)   SQLite3::SQLException: no such column: unit_price: select *, quantity*unit_price as total_price, products.title as title from line_items, products where line_items.product_id = products.id 
ActiveRecord::StatementInvalid: SQLite3::SQLException: no such column: unit_price: select *,                                         quantity*unit_price as total_price,        products.title as title               from line_items, products                 where line_items.product_id = products.id 
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract_adapter.rb:212:in `log'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/sqlite_adapter.rb:157:in `execute'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/sqlite_adapter.rb:402:in `catch_schema_changes'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/sqlite_adapter.rb:157:in `execute'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/sqlite_adapter.rb:305:in `select'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `select_all_without_query_cache'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/query_cache.rb:62:in `select_all'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:661:in `find_by_sql'
	from /home/rubys/git/awdwr/data/code/e1/ar/find_examples.rb:89
>> li = items[0]
NoMethodError: undefined method `[]' for nil:NilClass
	from /home/rubys/git/awdwr/data/code/e1/ar/find_examples.rb:94
>> puts "#{li.title}: #{li.quantity}x#{li.unit_price} => #{li.total_price}"
NoMethodError: undefined method `title' for nil:NilClass
	from /home/rubys/git/awdwr/data/code/e1/ar/find_examples.rb:95
 
?> c1 = Order.count
  SQL (0.3ms)   SELECT count(*) AS count_all FROM "orders" 
=> 7
>> c2 = Order.count(:conditions => ["name = ?", "Dave Thomas"])
  SQL (0.4ms)   SELECT count(*) AS count_all FROM "orders" WHERE (name = 'Dave Thomas') 
=> 6
>> c3 = LineItem.count_by_sql("select count(*)                        " +
?>                            "  from line_items, orders              " +
?>                            " where line_items.order_id = orders.id " +
?>                            "   and orders.name = 'Dave Thomas'     ")
  LineItem Count (0.4ms)   select count(*) from line_items, orders where line_items.order_id = orders.id and orders.name = 'Dave Thomas' 
=> 0
>> puts "Dave has #{c3} line items in #{c2} orders (#{c1} orders in all)"
Dave has 0 line items in 6 orders (7 orders in all)
=> nil
 
?> order  = Order.find_by_name("Dave Thomas")
  Order Load (0.6ms)   SELECT * FROM "orders" WHERE ("orders"."name" = 'Dave Thomas') LIMIT 1
=> #<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>
>> orders = Order.find_all_by_name("Dave Thomas")
  Order Load (1.4ms)   SELECT * FROM "orders" WHERE ("orders"."name" = 'Dave Thomas') 
=> [#<Order id: 1, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 2, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 3, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 4, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 5, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 6, name: "Dave Thomas", address: "123 Main St", email: "dave@example.com", pay_type: "check", created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>]
>> orders = Order.find_all_by_email(params['email'])
  Order Load (0.7ms)   SELECT * FROM "orders" WHERE ("orders"."email" IS NULL) 
=> [#<Order id: 2, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>, #<Order id: 4, name: "Dave Thomas", address: nil, email: nil, pay_type: nil, created_at: "2009-05-27 22:50:57", updated_at: "2009-05-27 22:50:57", customer_email: nil, placed_at: "2009-05-27 22:49:38", attn: nil, order_type: nil, ship_class: "priority", amount: nil, state: nil>]
 
>> o = LineItem.find(:all,
?>                   :conditions => "pr.title = 'Programming Ruby'",
?>                   :joins => "inner join products as pr on line_items.product_id = pr.id")
  LineItem Load (0.3ms)   SELECT "line_items".* FROM "line_items" inner join products as pr on line_items.product_id = pr.id WHERE (pr.title = 'Programming Ruby') 
=> []
>> p o.size
0
=> nil
 
>> LineItem.delete_all
  LineItem Delete all (0.4ms)   DELETE FROM "line_items" WHERE 1=1
=> 0
 
>> res = Order.update_all("pay_type = 'wibble'")
  Order Update (2.7ms)   UPDATE "orders" SET pay_type = 'wibble' 
=> 7
>> p res
7
=> nil
 
>> res = Order.delete_all(["pay_type = ?", "wibble"])
  Order Delete all (2.2ms)   DELETE FROM "orders" WHERE (pay_type = 'wibble') 
=> 7
>> p res
7
=> nil
 
irb e1/ar/dump_serialize_table.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require 'connect'
=> true
 
>> require 'rubygems'
=> []
>> require 'activerecord'
=> []
>> require 'pp'
=> ["PP"]
 
>> ActiveRecord::Schema.define do
?>   create_table :purchases, :force => true do |t|
?>     t.string :name
>>     t.text   :last_five
>>   end
>> end
-- create_table(:purchases, {:force=>true})
   -> 0.0682s
=> nil
 
?> class Purchase < ActiveRecord::Base
>>   serialize :last_five
>>   # ...
?> end
=> Object
 
?> purchase = Purchase.new
=> #<Purchase id: nil, name: nil, last_five: nil>
>> purchase.name = "Dave Thomas"
=> "Dave Thomas"
>> purchase.last_five = [ 'shoes', 'shirt', 'socks', 'ski mask', 'shorts' ]
=> ["shoes", "shirt", "socks", "ski mask", "shorts"]
>> purchase.save
=> true
 
?> purchase = Purchase.find_by_name("Dave Thomas")
=> #<Purchase id: 1, name: "Dave Thomas", last_five: ["shoes", "shirt", "socks", "ski mask", "shorts"]>
>> pp purchase.last_five
["shoes", "shirt", "socks", "ski mask", "shorts"]
=> nil
>> pp purchase.last_five[3]
"ski mask"
=> nil
>> >> => nil
irb e1/ar/aggregation.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
>> require "pp"
=> ["PP"]
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> #require "rubygems"
?> #require_gem "activerecord"
 
?> ActiveRecord::Schema.define do
?>   create_table :customers, :force => true do |t|
?>     t.datetime :created_at
>>     t.decimal  :credit_limit, :precision => 10, :scale => 2, :default => 100
>>     t.string   :first_name
>>     t.string   :initials
>>     t.string   :last_name
>>     t.datetime :last_purchase
>>     t.integer  :purchase_count, :default => 0
>>   end
>> end
-- create_table(:customers, {:force=>true})
   -> 0.0801s
=> nil
 
?> class LastFive
 
>>   attr_reader :list
 
>>   # Takes a string containing "a,b,c" and 
?>   # stores [ 'a', 'b', 'c' ]
?>   def initialize(list_as_string)
>>     @list = list_as_string.split(/,/)
>>   end
 
 
>>   # Returns our contents as a 
?>   # comma delimited string
?>   def last_five
>>     @list.join(',')
>>   end
>> end
=> nil
 
?> class Purchase < ActiveRecord::Base
>>   composed_of :last_five
>> end
=> #<ActiveRecord::Reflection::AggregateReflection:0xb7880628 @active_record=Purchase(id: integer, name: string, last_five: text), @name=:last_five, @macro=:composed_of, @options={}>
 
>> Purchase.delete_all
=> 1
 
?> Purchase.create(:last_five => LastFive.new("3,4,5"))
=> #<Purchase id: 2, name: nil, last_five: "3,4,5">
 
>> purchase = Purchase.find(:first)
=> #<Purchase id: 2, name: nil, last_five: "3,4,5">
 
>> puts purchase.last_five.list[1]     #=>  4
4
=> nil
 
 
?> class Name
>>   attr_reader :first, :initials, :last
 
>>   def initialize(first, initials, last)
>>     @first = first
>>     @initials = initials
>>     @last = last
>>   end
 
>>   def to_s
>>     [ @first, @initials, @last ].compact.join(" ")
>>   end
>> end
=> nil
 
?> class Customer < ActiveRecord::Base
 
>>   composed_of :name,
?>               :class_name => "Name",
?>               :mapping => 
?>                  [ # database       ruby
?>                    %w[ first_name   first ],
?>                    %w[ initials     initials ],
?>                    %w[ last_name    last ] 
>>                  ]
>> end
=> #<ActiveRecord::Reflection::AggregateReflection:0xb78067b0 @active_record=Customer(id: integer, created_at: datetime, credit_limit: decimal, first_name: string, initials: string, last_name: string, last_purchase: datetime, purchase_count: integer), @name=:name, @macro=:composed_of, @options={:class_name=>"Name", :mapping=>[["first_name", "first"], ["initials", "initials"], ["last_name", "last"]]}>
 
>> Customer.delete_all
=> 0
 
?> name = Name.new("Dwight", "D", "Eisenhower")
=> #<Name:0xb77f0898 @initials="D", @first="Dwight", @last="Eisenhower">
 
>> Customer.create(:credit_limit => 1000, :name => name)
=> #<Customer id: 1, created_at: "2009-05-27 22:50:59", credit_limit: #<BigDecimal:b77e24c8,'0.1E4',4(8)>, first_name: "Dwight", initials: "D", last_name: "Eisenhower", last_purchase: nil, purchase_count: 0>
 
>> customer = Customer.find(:first)
=> #<Customer id: 1, created_at: "2009-05-27 22:50:59", credit_limit: #<BigDecimal:b77de79c,'0.1E4',4(8)>, first_name: "Dwight", initials: "D", last_name: "Eisenhower", last_purchase: nil, purchase_count: 0>
>> puts customer.name.first    #=> Dwight
Dwight
=> nil
>> puts customer.name.last     #=> Eisenhower
Eisenhower
=> nil
>> puts customer.name.to_s     #=> Dwight D Eisenhower
Dwight D Eisenhower
=> nil
>> customer.name = Name.new("Harry", nil, "Truman")
=> #<Name:0xb77d3388 @initials=nil, @first="Harry", @last="Truman">
>> customer.save
=> true
 
>> >> => nil

19 ActiveRecord: Relationships Between Tables

irb e1/ar/associations.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> ActiveRecord::Schema.define do
 
?>   create_table :products, :force => true do |t|
?>     t.string   :title
>>     t.text     :description
>>     t.string   :image_url
>>     t.decimal  :price, :precision => 10, :scale => 2
>>     t.datetime :available_at
>>   end
 
>>   create_table :line_items, :force => true do |t|
?>     t.integer :product_id
>>     t.integer :order_id
>>     t.integer :quantity
>>     t.integer :unit_price, :precision => 8, :scale => 2
>>   end
>> end
-- create_table(:products, {:force=>true})
   -> 0.0744s
-- create_table(:line_items, {:force=>true})
   -> 0.0065s
=> nil
 
?> class Product < ActiveRecord::Base
>>   has_many :line_items
>> end
=> #<Proc:0xb784e6f0@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:173>
 
>> class LineItem < ActiveRecord::Base
>>   belongs_to :product
>> end
=> #<Proc:0xb784e204@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> LineItem.delete_all
=> 0
 
>> p = Product.create(:title => "Programming Ruby", :available_at => Time.now)
=> #<Product id: 1, title: "Programming Ruby", description: nil, image_url: nil, price: nil, available_at: "2009-05-27 22:50:59">
>> l = LineItem.new
=> #<LineItem id: nil, product_id: nil, order_id: nil, quantity: nil, unit_price: nil>
>> l.id = 2
=> 2
>> l.product = p
=> #<Product id: 1, title: "Programming Ruby", description: nil, image_url: nil, price: nil, available_at: "2009-05-27 22:50:59">
>> l.save!
=> true
 
>> l = LineItem.new
=> #<LineItem id: nil, product_id: nil, order_id: nil, quantity: nil, unit_price: nil>
>> l.product = p
=> #<Product id: 1, title: "Programming Ruby", description: nil, image_url: nil, price: nil, available_at: "2009-05-27 22:50:59">
>> l.save!
=> true
 
>> puts "\n\nSimple Belongs to"

    

    
Simple Belongs to
=> nil
 
?> item = LineItem.find(2)
=> #<LineItem id: 2, product_id: 1, order_id: nil, quantity: nil, unit_price: nil>
 
>> # item.product is the associated Product object
?> puts "Current product is #{item.product.id}"
Current product is 1
=> nil
>> puts item.product.title
Programming Ruby
=> nil
 
>> item.product = Product.new(:title          => "Rails for Java Developers",
?>                            :description    => "...",
?>                            :image_url      => "http://....jpg",
?>                            :price          => 34.95,
?>                            :available_at   => Time.now)
=> #<Product id: nil, title: "Rails for Java Developers", description: "...", image_url: "http://....jpg", price: #<BigDecimal:b782af98,'0.3495E2',8(8)>, available_at: "2009-05-27 22:51:00">
>> item.save!
=> true
 
>> puts "New product is #{item.product.id}"
New product is 2
=> nil
>> puts item.product.title
Rails for Java Developers
=> nil
 
>> puts "\n\nCreate belongs to"

    

    
Create belongs to
=> nil
 
>> item = LineItem.find(2)
=> #<LineItem id: 2, product_id: 2, order_id: nil, quantity: nil, unit_price: nil>
 
>> # item.product is the associated Product object
?> puts "Current product is #{item.product.id}"
Current product is 2
=> nil
>> puts item.product.title
Rails for Java Developers
=> nil
 
?> item.create_product(:title          => "Rails Recipes",
?>                     :description    => "...",
?>                     :image_url      => "http://....jpg",
?>                     :price          => 32.95,
?>                     :available_at   => Time.now)
=> #<Product id: 3, title: "Rails Recipes", description: "...", image_url: "http://....jpg", price: #<BigDecimal:b77f5a64,'0.3295E2',8(8)>, available_at: "2009-05-27 22:51:00">
 
>> puts "New product is #{item.product.id}"
New product is 3
=> nil
>> puts item.product.title
Rails Recipes
=> nil
 
>> puts "\n\nproduct belongs to"

    

    
product belongs to
=> nil
>> item = LineItem.find(2)
=> #<LineItem id: 2, product_id: 2, order_id: nil, quantity: nil, unit_price: nil>
 
>> # item.product is the associated Product object
?> puts "Current product is #{item.product.id}"
Current product is 2
=> nil
>> puts item.product.title
Rails for Java Developers
=> nil
 
>> item = LineItem.new()
=> #<LineItem id: nil, product_id: nil, order_id: nil, quantity: nil, unit_price: nil>
 
>> item.create_product(:title          => "Advanced Rails", 
?>                     :description    => "...",
?>                     :image_url      => "http://....jpg",
?>                     :price          => 34.95,
?>                     :available_at   => Time.now)
=> #<Product id: 4, title: "Advanced Rails", description: "...", image_url: "http://....jpg", price: #<BigDecimal:b77bd218,'0.3495E2',8(8)>, available_at: "2009-05-27 22:51:00">
 
>> puts "New product is #{item.product.id}"
New product is 4
=> nil
>> puts item.product.title
Advanced Rails
=> nil
>> item.save!
=> true
>> p item.product(true)
#<Product id: 4, title: "Advanced Rails", description: "...", image_url: "http://....jpg", price: #<BigDecimal:b77ae1a0,'0.3495E2',8(8)>, available_at: "2009-05-27 22:51:00">
=> nil
 
>> puts "============="
=============
=> nil
 
>> prod = Product.find(item.product_id)
=> #<Product id: 4, title: "Advanced Rails", description: "...", image_url: "http://....jpg", price: #<BigDecimal:b77a648c,'0.3495E2',8(8)>, available_at: "2009-05-27 22:51:00">
>> p prod.line_items.size
1
=> nil
 
irb e1/ar/sti.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> ActiveRecord::Base.logger = Logger.new(STDOUT)
=> #<Logger:0xb77c84c4 @progname=nil, @formatter=nil, @default_formatter=#<Logger::Formatter:0xb77c849c @datetime_format=nil>, @logdev=#<Logger::LogDevice:0xb77c8474 @mutex=#<Logger::LogDevice::LogDeviceMutex:0xb77c844c @mon_count=0, @mon_owner=nil, @mon_waiting_queue=[], @mon_entering_queue=[]>, @filename=nil, @shift_size=nil, @shift_age=nil, @dev=#<IO:0xb7d0ef64>>, @level=0>
 
>> ActiveRecord::Schema.define do
 
?>   create_table :people, :force => true do |t|
?>     t.string :type
 
>>     # common attributes
?>     t.string :name
>>     t.string :email
 
>>     # attributes for type=Customer
?>     t.decimal :balance, :precision => 10, :scale => 2
 
>>     # attributes for type=Employee
?>     t.integer :reports_to
>>     t.integer :dept
 
>>     # attributes for type=Manager
?>     # -- none -- 
?>   end
 
>> end
-- create_table(:people, {:force=>true})
  SQL (0.4ms)   select sqlite_version(*)
  SQL (1.2ms)   *[0m SELECT name
 FROM sqlite_master
 WHERE type = 'table' AND NOT name = 'sqlite_sequence'
*[0m
  SQL (3.9ms)   CREATE TABLE "people" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "type" varchar(255), "name" varchar(255), "email" varchar(255), "balance" decimal(10,2), "reports_to" integer, "dept" integer) 
   -> 0.0725s
=> nil
 
?> class Person < ActiveRecord::Base
>> end
=> nil
 
>> class Customer < Person
>> end
=> nil
 
>> class Employee < Person
>>   belongs_to :boss, :class_name => "Manager", :foreign_key => :reports_to
>> end
=> #<Proc:0xb788a204@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> class Manager < Employee
>> end
=> nil
 
?> Customer.create(:name => 'John Doe',    :email => "john@doe.com",    
?>                 :balance => 78.29)
  Customer Create (0.5ms)   INSERT INTO "people" ("name", "type", "reports_to", "dept", "email", "balance") VALUES('John Doe', 'Customer', NULL, NULL, 'john@doe.com', 78.29)
=> #<Customer id: 1, type: "Customer", name: "John Doe", email: "john@doe.com", balance: #<BigDecimal:b7919bc0,'0.7829E2',8(8)>, reports_to: nil, dept: nil>
 
>> wilma = Manager.create(:name  => 'Wilma Flint', :email => "wilma@here.com",  
?>                        :dept => 23)
  Manager Create (0.4ms)   INSERT INTO "people" ("name", "type", "reports_to", "dept", "email", "balance") VALUES('Wilma Flint', 'Manager', NULL, 23, 'wilma@here.com', NULL)
=> #<Manager id: 2, type: "Manager", name: "Wilma Flint", email: "wilma@here.com", balance: nil, reports_to: nil, dept: 23>
 
>> Customer.create(:name => 'Bert Public', :email => "b@public.net",    
?>                 :balance => 12.45)
  Customer Create (0.3ms)   INSERT INTO "people" ("name", "type", "reports_to", "dept", "email", "balance") VALUES('Bert Public', 'Customer', NULL, NULL, 'b@public.net', 12.45)
=> #<Customer id: 3, type: "Customer", name: "Bert Public", email: "b@public.net", balance: #<BigDecimal:b78ebc98,'0.1245E2',8(8)>, reports_to: nil, dept: nil>
 
>> barney = Employee.new(:name => 'Barney Rub',  :email => "barney@here.com", 
?>                       :dept => 23)
=> #<Employee id: nil, type: "Employee", name: "Barney Rub", email: "barney@here.com", balance: nil, reports_to: nil, dept: 23>
>> barney.boss = wilma
=> #<Manager id: 2, type: "Manager", name: "Wilma Flint", email: "wilma@here.com", balance: nil, reports_to: nil, dept: 23>
>> barney.save!
  Employee Create (0.3ms)   INSERT INTO "people" ("name", "type", "reports_to", "dept", "email", "balance") VALUES('Barney Rub', 'Employee', 2, 23, 'barney@here.com', NULL)
=> true
 
>> manager = Person.find_by_name("Wilma Flint")
  Person Load (0.5ms)   SELECT * FROM "people" WHERE ("people"."name" = 'Wilma Flint') LIMIT 1
=> #<Manager id: 2, type: "Manager", name: "Wilma Flint", email: "wilma@here.com", balance: nil, reports_to: nil, dept: 23>
>> puts manager.class    #=> Manager
Manager
=> nil
>> puts manager.email    #=> wilma@here.com
wilma@here.com
=> nil
>> puts manager.dept     #=> 23
23
=> nil
 
>> customer = Person.find_by_name("Bert Public")
  Person Load (0.5ms)   SELECT * FROM "people" WHERE ("people"."name" = 'Bert Public') LIMIT 1
=> #<Customer id: 3, type: "Customer", name: "Bert Public", email: "b@public.net", balance: #<BigDecimal:b785c138,'0.1245E2',8(8)>, reports_to: nil, dept: nil>
>> puts customer.class    #=> Customer
Customer
=> nil
>> puts customer.email    #=> b@public.net
b@public.net
=> nil
>> puts customer.balance  #=> 12.45
12.45
=> nil
 
>> b = Person.find_by_name("Barney Rub")
  Person Load (0.5ms)   SELECT * FROM "people" WHERE ("people"."name" = 'Barney Rub') LIMIT 1
=> #<Employee id: 4, type: "Employee", name: "Barney Rub", email: "barney@here.com", balance: nil, reports_to: 2, dept: 23>
>> p b.boss
  Manager Load (0.5ms)   SELECT * FROM "people" WHERE ("people"."id" = 2) AND ( ("people"."type" = 'Manager' ) ) 
#<Manager id: 2, type: "Manager", name: "Wilma Flint", email: "wilma@here.com", balance: nil, reports_to: nil, dept: 23>
=> nil
 
irb e1/ar/polymorphic.rb 1
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> if ARGV.empty? or ARGV.first == '1'
>>   ActiveRecord::Schema.define do
 
?>     create_table :catalog_entries, :force => true do |t|
?>       t.string :name
>>       t.datetime :acquired_at
>>       t.integer :resource_id
>>       t.string :resource_type
>>     end
 
?>     create_table :articles, :force => true do |t|
?>       t.text :content
>>     end
 
>>     create_table :sounds, :force => true do |t|
?>       t.binary :content
>>     end
 
>>     create_table :images, :force => true do |t|
?>       t.binary :content
>>     end
 
>>   end
>> end
-- create_table(:catalog_entries, {:force=>true})
   -> 0.0692s
-- create_table(:articles, {:force=>true})
   -> 0.0043s
-- create_table(:sounds, {:force=>true})
   -> 0.0040s
-- create_table(:images, {:force=>true})
   -> 0.0037s
=> nil
 
?> class CatalogEntry < ActiveRecord::Base
>>   belongs_to :resource, :polymorphic => true
>> end
=> #<Proc:0xb7823310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
?> class Article < ActiveRecord::Base
>>   has_one :catalog_entry, :as => :resource
>> end
=> #<Proc:0xb7823310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> class Sound < ActiveRecord::Base
>>   has_one :catalog_entry, :as => :resource
>> end
=> #<Proc:0xb7823310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> class Image < ActiveRecord::Base
>>   has_one :catalog_entry, :as => :resource
>> end
=> #<Proc:0xb7823310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> case ARGV.shift
>> when "1"
>>   a = Article.new(:content => "This is my new article")
>>   c = CatalogEntry.new(:name => 'Article One', :acquired_at => Time.now)
>>   c.resource = a
>>   c.save!
?>   article = Article.find(1)
>>   p article.catalog_entry.name  #=> "Article One"
 
>>   cat = CatalogEntry.find(1)
>>   resource = cat.resource 
>>   p resource                    #=> #<Article:0x640d80 @attributes={"id"=>"1", 
>>                                 #     "content"=>"This is my new article"}>
 
?> when "2"
>>   c = CatalogEntry.new(:name => 'Article One', :acquired_at => Time.now)
>>   c.resource = Article.new(:content => "This is my new article")
>>   c.save!
 
>>   c = CatalogEntry.new(:name => 'Image One', :acquired_at => Time.now)
>>   c.resource = Image.new(:content => "some binary data")
>>   c.save!
 
>>   c = CatalogEntry.new(:name => 'Sound One', :acquired_at => Time.now)
>>   c.resource = Sound.new(:content => "more binary data")
>>   c.save!
 
?>   CatalogEntry.find(:all).each do |c|
?>     puts "#{c.name}:  #{c.resource.class}"
>>   end
>> else
?>   a = Sound.new(:content => "ding!")
>>   c = CatalogEntry.new(:name => 'Sound One', :acquired_at => Time.now)
>>   c.resource = a
 
>>   c.save!
 
>>   c = CatalogEntry.find 1
>>   p c.resource
 
>>   a = Sound.find :first
>>   p a.catalog_entry
>> end
"Article One"
#<Article id: 1, content: "This is my new article">
=> nil
 
sqlite3> select * from articles
     id = 1
content = This is my new article
sqlite3> select * from catalog_entries
           id = 1
         name = Article One
  acquired_at = 2009-05-27 22:51:01
  resource_id = 1
resource_type = Article
sqlite3> delete from catalog_entries
irb e1/ar/polymorphic.rb 2
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> if ARGV.empty? or ARGV.first == '1'
>>   ActiveRecord::Schema.define do
 
?>     create_table :catalog_entries, :force => true do |t|
?>       t.string :name
>>       t.datetime :acquired_at
>>       t.integer :resource_id
>>       t.string :resource_type
>>     end
 
?>     create_table :articles, :force => true do |t|
?>       t.text :content
>>     end
 
>>     create_table :sounds, :force => true do |t|
?>       t.binary :content
>>     end
 
>>     create_table :images, :force => true do |t|
?>       t.binary :content
>>     end
 
>>   end
>> end
=> nil
 
?> class CatalogEntry < ActiveRecord::Base
>>   belongs_to :resource, :polymorphic => true
>> end
=> #<Proc:0xb7869310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
?> class Article < ActiveRecord::Base
>>   has_one :catalog_entry, :as => :resource
>> end
=> #<Proc:0xb7869310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> class Sound < ActiveRecord::Base
>>   has_one :catalog_entry, :as => :resource
>> end
=> #<Proc:0xb7869310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> class Image < ActiveRecord::Base
>>   has_one :catalog_entry, :as => :resource
>> end
=> #<Proc:0xb7869310@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> case ARGV.shift
>> when "1"
>>   a = Article.new(:content => "This is my new article")
>>   c = CatalogEntry.new(:name => 'Article One', :acquired_at => Time.now)
>>   c.resource = a
>>   c.save!
?>   article = Article.find(1)
>>   p article.catalog_entry.name  #=> "Article One"
 
>>   cat = CatalogEntry.find(1)
>>   resource = cat.resource 
>>   p resource                    #=> #<Article:0x640d80 @attributes={"id"=>"1", 
>>                                 #     "content"=>"This is my new article"}>
 
?> when "2"
>>   c = CatalogEntry.new(:name => 'Article One', :acquired_at => Time.now)
>>   c.resource = Article.new(:content => "This is my new article")
>>   c.save!
 
>>   c = CatalogEntry.new(:name => 'Image One', :acquired_at => Time.now)
>>   c.resource = Image.new(:content => "some binary data")
>>   c.save!
 
>>   c = CatalogEntry.new(:name => 'Sound One', :acquired_at => Time.now)
>>   c.resource = Sound.new(:content => "more binary data")
>>   c.save!
 
?>   CatalogEntry.find(:all).each do |c|
?>     puts "#{c.name}:  #{c.resource.class}"
>>   end
>> else
?>   a = Sound.new(:content => "ding!")
>>   c = CatalogEntry.new(:name => 'Sound One', :acquired_at => Time.now)
>>   c.resource = a
 
>>   c.save!
 
>>   c = CatalogEntry.find 1
>>   p c.resource
 
>>   a = Sound.find :first
>>   p a.catalog_entry
>> end
Article One:  Article
Image One:  Image
Sound One:  Sound
=> [#<CatalogEntry id: 2, name: "Article One", acquired_at: "2009-05-27 22:51:01", resource_id: 2, resource_type: "Article">, #<CatalogEntry id: 3, name: "Image One", acquired_at: "2009-05-27 22:51:01", resource_id: 1, resource_type: "Image">, #<CatalogEntry id: 4, name: "Sound One", acquired_at: "2009-05-27 22:51:01", resource_id: 1, resource_type: "Sound">]
 
sqlite3> select * from articles
     id = 1
content = This is my new article
 
     id = 2
content = This is my new article
sqlite3> select * from images
     id = 1
content = some binary data
sqlite3> select * from sounds
     id = 1
content = more binary data
sqlite3> select * from catalog_entries
           id = 2
         name = Article One
  acquired_at = 2009-05-27 22:51:01
  resource_id = 2
resource_type = Article
 
           id = 3
         name = Image One
  acquired_at = 2009-05-27 22:51:01
  resource_id = 1
resource_type = Image
 
           id = 4
         name = Sound One
  acquired_at = 2009-05-27 22:51:01
  resource_id = 1
resource_type = Sound
irb e1/ar/self_association.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> ActiveRecord::Schema.define do
?>   create_table :employees, :force => true do |t|
?>     t.string :name
>>     t.integer :manager_id
>>     t.integer :mentor_id
>>   end
>> end
-- create_table(:employees, {:force=>true})
   -> 0.0694s
=> nil
 
?> class Employee < ActiveRecord::Base
>>   belongs_to :manager,
?>              :class_name  => "Employee",
?>              :foreign_key => "manager_id"
 
>>   belongs_to :mentor,
?>              :class_name  => "Employee", 
?>              :foreign_key => "mentor_id"
 
>>   has_many   :mentored_employees,
?>              :class_name  => "Employee",
?>              :foreign_key => "mentor_id"
 
>>   has_many   :managed_employees,
?>              :class_name  => "Employee",
?>              :foreign_key => "manager_id"
>> end
=> #<Proc:0xb786e734@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:173>
 
?> Employee.delete_all
=> 0
 
>> adam = Employee.create(:name => "Adam")
=> #<Employee id: 1, name: "Adam", manager_id: nil, mentor_id: nil>
>> beth = Employee.create(:name => "Beth")
=> #<Employee id: 2, name: "Beth", manager_id: nil, mentor_id: nil>
 
>> clem = Employee.new(:name => "Clem")
=> #<Employee id: nil, name: "Clem", manager_id: nil, mentor_id: nil>
>> clem.manager = adam
=> #<Employee id: 1, name: "Adam", manager_id: nil, mentor_id: nil>
>> clem.mentor  = beth
=> #<Employee id: 2, name: "Beth", manager_id: nil, mentor_id: nil>
>> clem.save!
=> true
 
>> dawn = Employee.new(:name => "Dawn")
=> #<Employee id: nil, name: "Dawn", manager_id: nil, mentor_id: nil>
>> dawn.manager = adam
=> #<Employee id: 1, name: "Adam", manager_id: nil, mentor_id: nil>
>> dawn.mentor  = clem
=> #<Employee id: 3, name: "Clem", manager_id: 1, mentor_id: 2>
>> dawn.save!
=> true
 
?> p adam.managed_employees.map {|e| e.name}  # => [ "Clem", "Dawn" ]
["Clem", "Dawn"]
=> nil
>> p adam.mentored_employees                  # => []
[]
=> nil
>> p dawn.mentor.name                         # => "Clem"
"Clem"
=> nil
 
 
>> >> => nil
irb e1/ar/acts_as_list.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "logger"
=> true
>> require "rubygems"
=> false
>> require "activerecord"
=> true
 
>> require "vendor/plugins/acts_as_list/init"
=> []
 
>> require "connect"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> ActiveRecord::Base.connection.instance_eval do
 
?>   create_table :parents, :force => true do |t|
?>   end
 
>>   create_table :children, :force => true do |t|
?>     t.integer :parent_id
>>     t.string  :name
>>     t.integer :position
>>   end
>> end
=> []
 
 
?> class Parent < ActiveRecord::Base
>>   has_many :children, :order => :position
>> end
=> #<Proc:0xb77f5794@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:173>
 
>> class Child < ActiveRecord::Base
>>   belongs_to :parent
>>   acts_as_list  :scope => :parent
>> end
=> [#<ActiveSupport::Callbacks::Callback:0xb78ed1c4 @method=:add_to_list_bottom, @kind=:before_create, @identifier=nil, @options={}>]
 
 
?> parent = Parent.create
=> #<Parent id: 1>
>> %w{ One Two Three Four}.each do |name|
?>   parent.children.create(:name => name)
>> end
=> ["One", "Two", "Three", "Four"]
>> parent.save
=> true
 
?> def display_children(parent)
>>   puts parent.children(true).map {|child| child.name }.join(", ")
>> end
=> nil
 
?> display_children(parent)         #=> One, Two, Three, Four
One, Two, Three, Four
=> nil
 
>> puts parent.children[0].first?   #=> true
true
=> nil
 
>> two = parent.children[1]
=> #<Child id: 2, parent_id: 1, name: "Two", position: 2>
>> puts two.lower_item.name         #=> Three
Three
=> nil
>> puts two.higher_item.name        #=> One
One
=> nil
 
>> parent.children[0].move_lower
=> true
>> display_children(parent)         #=> Two, One, Three, Four
Two, One, Three, Four
=> nil
 
>> parent.children[2].move_to_top
=> true
>> display_children(parent)         #=> Three, Two, One, Four
Three, Two, One, Four
=> nil
 
>> parent.children[2].destroy
=> #<Child id: 1, parent_id: 1, name: "One", position: nil>
>> display_children(parent)         #=> Three, Two, Four
Three, Two, Four
=> nil
>> >> => nil
irb e1/ar/acts_as_tree.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
>> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> require "vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb"
=> []
>> require "vendor/plugins/acts_as_tree/init"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> ActiveRecord::Schema.define do
 
?>   create_table :categories, :force => true do |t|
?>     t.string  :name
>>     t.integer :parent_id
>>   end
>> end
-- create_table(:categories, {:force=>true})
   -> 0.0710s
=> nil
 
 
 
 
?> class Category < ActiveRecord::Base
>>   acts_as_tree  :order => "name"
>> end
=> nil
 
 
?> root        = Category.create(:name => "Books")
=> #<Category id: 1, name: "Books", parent_id: nil>
>> fiction     = root.children.create(:name => "Fiction")
=> #<Category id: 2, name: "Fiction", parent_id: 1>
>> non_fiction = root.children.create(:name => "Non Fiction")
=> #<Category id: 3, name: "Non Fiction", parent_id: 1>
 
>> non_fiction.children.create(:name => "Computers")
=> #<Category id: 4, name: "Computers", parent_id: 3>
>> non_fiction.children.create(:name => "Science")
=> #<Category id: 5, name: "Science", parent_id: 3>
>> non_fiction.children.create(:name => "Art History")
=> #<Category id: 6, name: "Art History", parent_id: 3>
 
>> fiction.children.create(:name => "Mystery")
=> #<Category id: 7, name: "Mystery", parent_id: 2>
>> fiction.children.create(:name => "Romance")
=> #<Category id: 8, name: "Romance", parent_id: 2>
>> fiction.children.create(:name => "Science Fiction")
=> #<Category id: 9, name: "Science Fiction", parent_id: 2>
 
>> def display_children(order)
>>   puts order.children.map {|child| child.name }.join(", ")
>> end
=> nil
 
?> display_children(root)             # Fiction, Non Fiction
Fiction, Non Fiction
=> nil
 
>> sub_category = root.children.first
=> #<Category id: 2, name: "Fiction", parent_id: 1>
>> puts sub_category.children.size    #=> 3
3
=> nil
>> display_children(sub_category)     #=> Mystery, Romance, Science Fiction
Mystery, Romance, Science Fiction
=> nil
 
>> non_fiction = root.children.find(:first, :conditions => "name = 'Non Fiction'")
=> #<Category id: 3, name: "Non Fiction", parent_id: 1>
 
>> display_children(non_fiction)      #=> Art History, Computers, Science
Art History, Computers, Science
=> nil
>> puts non_fiction.parent.name       #=> Books
Books
=> nil
>> >> => nil
irb e1/ar/one_to_one.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> ActiveRecord::Schema.define do
 
?>   create_table :invoices, :force => true do |t|
?>     t.integer :order_id
>>   end
 
>>   create_table :orders, :force => true do |t|
?>     t.string   :name
>>     t.string   :email
>>     t.text     :address
>>     t.string   :pay_type
>>     t.datetime :shipped_at
>>   end
 
>> end
-- create_table(:invoices, {:force=>true})
   -> 0.0693s
-- create_table(:orders, {:force=>true})
   -> 0.0075s
=> nil
 
?> class Order < ActiveRecord::Base
>>   has_one :invoice
>> end
=> #<Proc:0xb787e238@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> class Invoice < ActiveRecord::Base
>>   belongs_to :order
>> end
=> #<Proc:0xb787e238@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
>> Order.create(:name => "Dave", :email => "dave@xxx",
?>              :address => "123 Main St", :pay_type => "credit",
?>              :shipped_at => Time.now)
=> #<Order id: 1, name: "Dave", email: "dave@xxx", address: "123 Main St", pay_type: "credit", shipped_at: "2009-05-27 22:51:04">
 
 
 
>> order = Order.find(1)
=> #<Order id: 1, name: "Dave", email: "dave@xxx", address: "123 Main St", pay_type: "credit", shipped_at: "2009-05-27 22:51:04">
 
>> p order.invoice
nil
=> nil
 
>> invoice = Invoice.new
=> #<Invoice id: nil, order_id: nil>
>> if invoice.save
>>   order.invoice = invoice
>> else
?>   fail invoice.errors.to_s
>> end
=> #<Invoice id: 1, order_id: 1>
 
>> p order.invoice
#<Invoice id: 1, order_id: 1>
=> nil
 
>> o = Order.new
=> #<Order id: nil, name: nil, email: nil, address: nil, pay_type: nil, shipped_at: nil>
>> p o.id
nil
=> nil
>> invoice.order = o
=> #<Order id: nil, name: nil, email: nil, address: nil, pay_type: nil, shipped_at: nil>
>> p o.id
nil
=> nil
>> invoice.save
=> true
>> p o.id
2
=> nil
 
irb e1/ar/counters.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
 
>> ActiveRecord::Schema.define do
?>   create_table :products, :force => true do |t|
?>     t.string :title
>>     t.text :description
>>     # ...
?>     t.integer :line_items_count, :default => 0
>>   end
 
>>   create_table :line_items, :force => true do |t|
?>     t.integer :product_id
>>     t.integer :order_id
>>     t.integer :quantity
>>     t.decimal :unit_price, :precision => 8, :scale => 2
>>   end
 
>> end
-- create_table(:products, {:force=>true})
   -> 0.0799s
-- create_table(:line_items, {:force=>true})
   -> 0.0078s
=> nil
 
>> class Product < ActiveRecord::Base
>>   has_many :line_items
>> end
=> #<Proc:0xb78716f0@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:173>
 
?> class LineItem < ActiveRecord::Base
>>   belongs_to :product, :counter_cache => true
>> end
=> #<Proc:0xb7871204@/usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/autosave_association.rb:183>
 
?> product = Product.create(:title => "Programming Ruby",
?>                          :description => " ... ")
=> #<Product id: 1, title: "Programming Ruby", description: " ... ", line_items_count: 0>
>> line_item = LineItem.new
=> #<LineItem id: nil, product_id: nil, order_id: nil, quantity: nil, unit_price: nil>
>> line_item.product = product
=> #<Product id: 1, title: "Programming Ruby", description: " ... ", line_items_count: 0>
>> line_item.save
=> true
>> puts "In memory size = #{product.line_items.size}"             #=> 0
In memory size = 0
=> nil
>> puts "Refreshed size = #{product.line_items(:refresh).size}"   #=> 1
Refreshed size = 1
=> nil
 
 
 
>> LineItem.delete_all
=> 1
>> Product.delete_all
=> 1
 
?> product = Product.create(:title => "Programming Ruby", 
?>                          :description => " ... ")
=> #<Product id: 2, title: "Programming Ruby", description: " ... ", line_items_count: 0>
>> product.line_items.create
=> #<LineItem id: 2, product_id: 2, order_id: nil, quantity: nil, unit_price: nil>
>> puts "In memory size = #{product.line_items.size}"             #=> 1
In memory size = 0
=> nil
>> puts "Refreshed size = #{product.line_items(:refresh).size}"   #=> 1
Refreshed size = 1
=> nil
 
 
 
>> >> => nil

20 ActiveRecord: Object Life Cycle

irb e1/ar/encrypt.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
 
>> require "rubygems"
=> false
>> gem "activerecord"
=> true
 
>> require "connect"
=> true
 
>> ActiveRecord::Schema.define do
 
?>   create_table :orders, :force => true do |t|
?>     t.integer :user_id
>>     t.string  :name
>>     t.string  :address
>>     t.string  :email
>>   end
 
>>   create_table :users, :force => :true do |t|
?>     t.string :name
>>   end
>> end
-- create_table(:orders, {:force=>true})
   -> 0.0730s
-- create_table(:users, {:force=>:true})
   -> 0.0063s
=> nil
 
 
?> class ActiveRecord::Base
>>   def self.encrypt(*attr_names)
>>     encrypter = Encrypter.new(attr_names)
 
>>     before_save encrypter
>>     after_save  encrypter
>>     after_find  encrypter
 
>>     define_method(:after_find) { }
>>   end
>> end
=> nil
 
?> class Encrypter
 
>>   # We're passed a list of attributes that should
?>   # be stored encrypted in the database
?>   def initialize(attrs_to_manage)
>>     @attrs_to_manage = attrs_to_manage
>>   end
 
>>   # Before saving or updating, encrypt the fields using the NSA and
?>   # DHS approved Shift Cipher
?>   def before_save(model)
>>     @attrs_to_manage.each do |field|
?>       model[field].tr!("a-z", "b-za")
>>     end
>>   end
 
>>   # After saving, decrypt them back
?>   def after_save(model)
>>     @attrs_to_manage.each do |field|
?>       model[field].tr!("b-za", "a-z")
>>     end
>>   end
 
>>   # Do the same after finding an existing record
?>   alias_method :after_find, :after_save
>> end
=> Encrypter
 
?> class Order < ActiveRecord::Base
>>   encrypt(:name, :email)
>> end
=> #<Proc:0x00000000@/home/rubys/git/awdwr/data/code/e1/ar/encrypt.rb:34>
 
?> o = Order.new
=> #<Order id: nil, user_id: nil, name: nil, address: nil, email: nil>
>> o.name = "Dave Thomas"
=> "Dave Thomas"
>> o.address = "123 The Street"
=> "123 The Street"
>> o.email   = "dave@example.com"
=> "dave@example.com"
>> o.save
=> true
>> puts o.name
Dave Thomas
=> nil
 
>> o = Order.find(o.id)
=> #<Order id: 1, user_id: nil, name: "Dave Thomas", address: "123 The Street", email: "dave@example.com">
>> puts o.name
Dave Thomas
=> nil
>> >> => nil
sqlite3> select * from orders
     id = 1
user_id = 
   name = Dbwf Tipnbt
address = 123 The Street
  email = ebwf@fybnqmf.dpn
irb e1/ar/observer.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
 
>> require "rubygems"
=> false
>> require "activerecord"
=> true
 
>> require 'connect'
=> []
 
>> ActiveRecord::Base.logger = Logger.new(STDOUT)
=> #<Logger:0xb7b2bc10 @default_formatter=#<Logger::Formatter:0xb7b2bbd4 @datetime_format=nil>, @logdev=#<Logger::LogDevice:0xb7b2bb98 @filename=nil, @shift_size=nil, @shift_age=nil, @dev=#<IO:0xb7cb6f6c>, @mutex=#<Logger::LogDevice::LogDeviceMutex:0xb7b2bb5c @mon_owner=nil, @mon_waiting_queue=[], @mon_entering_queue=[], @mon_count=0>>, @level=0, @progname=nil, @formatter=nil>
 
>> ActiveRecord::Schema.define do 
?>   create_table :payments, :force => true do |t|
?>   end
>> end
-- create_table(:payments, {:force=>true})
  SQL (0.4ms)   select sqlite_version(*)
  SQL (1.6ms)   *[0m SELECT name
 FROM sqlite_master
 WHERE type = 'table' AND NOT name = 'sqlite_sequence'
*[0m
  SQL (4.0ms)   CREATE TABLE "payments" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL) 
   -> 0.0712s
=> nil
 
>> class Order < ActiveRecord::Base
>> end
=> nil
 
>> class Payment < ActiveRecord::Base
>> end
=> nil
 
>> class Refund < ActiveRecord::Base
>> end
=> nil
 
?> class OrderObserver < ActiveRecord::Observer
>>   def after_save(an_order)
>>     an_order.logger.info("Order #{an_order.id} created")
>>   end
>> end
=> nil
 
>> OrderObserver.instance
=> #<OrderObserver:0xb79481dc>
 
?> class AuditObserver < ActiveRecord::Observer
 
>>   observe Order, Payment, Refund
 
>>   def after_save(model)
>>     model.logger.info("[Audit] #{model.class.name} #{model.id} created")
>>   end
>> end
=> nil
 
>> AuditObserver.instance
=> #<AuditObserver:0xb7939f24>
 
 
>> o = Order.create
  Order Create (0.4ms)   INSERT INTO "orders" ("name", "user_id", "address", "email") VALUES(NULL, NULL, NULL, NULL)
Order 2 created
[Audit] Order 2 created
=> #<Order id: 2, user_id: nil, name: nil, address: nil, email: nil>
>> p = Payment.create
  Payment Create (0.3ms)   INSERT INTO payments VALUES(NULL)
[Audit] Payment 1 created
=> #<Payment id: 1>
 
?> >> 
irb e1/ar/attributes.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
>> require "pp"
=> ["PP"]
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> class LineItem < ActiveRecord::Base
>> end
=> nil
 
>> LineItem.delete_all
=> 1
 
>> LineItem.create(:quantity => 1, :product_id => 27, :order_id => 13, :unit_price => 29.95)
=> #<LineItem id: 3, product_id: 27, order_id: 13, quantity: 1, unit_price: #<BigDecimal:b78c5fc0,'0.2995E2',8(8)>>
>> LineItem.create(:quantity => 2, :unit_price => 29.95)
=> #<LineItem id: 4, product_id: nil, order_id: nil, quantity: 2, unit_price: #<BigDecimal:b78ba698,'0.2995E2',8(8)>>
>> LineItem.create(:quantity => 1, :unit_price => 44.95)
=> #<LineItem id: 5, product_id: nil, order_id: nil, quantity: 1, unit_price: #<BigDecimal:b78ac9bc,'0.4495E2',8(8)>>
 
>> result = LineItem.find(:first)
=> #<LineItem id: 3, product_id: 27, order_id: 13, quantity: 1, unit_price: #<BigDecimal:b78a5798,'0.2995E2',8(8)>>
>> p result.quantity
1
=> nil
>> p result.unit_price
#<BigDecimal:b789ff64,'0.2995E2',8(8)>
=> nil
 
>> result = LineItem.find_by_sql("select quantity, quantity*unit_price " +
?>                               "from line_items")
=> [#<LineItem quantity: 1>, #<LineItem quantity: 2>, #<LineItem quantity: 1>]
>> pp result[0].attributes
{"quantity*unit_price"=>"29.95", "quantity"=>1}
=> nil
 
>> result = LineItem.find_by_sql("select quantity, 
                                      quantity*unit_price as total_price " +
?>                               "from line_items")
=> [#<LineItem quantity: 1>, #<LineItem quantity: 2>, #<LineItem quantity: 1>]
>> pp result[0].attributes
{"total_price"=>"29.95", "quantity"=>1}
=> nil
 
>> p result[0].total_price
"29.95"
=> nil
>> sales_tax = 0.07
=> 0.07
>> p result[0].total_price * sales_tax
""
=> nil
 
>> class LineItem < ActiveRecord::Base
>>   def total_price
>>     Float(read_attribute("total_price"))
>>   end
 
>>   CUBITS_TO_INCHES = 2.54
 
>>   def quantity
>>     read_attribute("quantity") * CUBITS_TO_INCHES
>>   end
 
>>   def quantity=(inches)
>>     write_attribute("quantity", Float(inches) / CUBITS_TO_INCHES)
>>   end
>> end
=> nil
 
>> p result[0].quantity
2.54
=> nil
 
>> result[0].quantity = 500
=> 500
>> p result[0].save
true
=> nil
 
?> >> 
sqlite3> select id, quantity*unit_price from line_items
                 id = 3
quantity*unit_price = 29.95
 
                 id = 4
quantity*unit_price = 59.9
 
                 id = 5
quantity*unit_price = 44.95
irb e1/ar/transactions.rb 1
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
 
>> ActiveRecord::Schema.define do 
?>   create_table :accounts, :force => true do |t|
?>     t.string  :number
>>     t.decimal :balance, :precision => 10, :scale => 2, :default => 0
>>   end
>> end
-- create_table(:accounts, {:force=>true})
   -> 0.0789s
=> nil
 
 
?> class Account < ActiveRecord::Base
>>   def self.transfer(from, to, amount)
>>     transaction(from, to) do
?>       from.withdraw(amount)
>>       to.deposit(amount)
>>     end
>>   end
 
?>   def withdraw(amount)
>>     adjust_balance_and_save(-amount)
>>   end
 
>>   def deposit(amount)
>>     adjust_balance_and_save(amount)
>>   end
 
>>   private
 
>>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>     save!
>>   end
 
>>   def validate    # validation is called by Active Record
>>     errors.add(:balance, "is negative") if balance < 0
>>   end
>> end
=> nil
 
?>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>   end
=> nil
 
?> peter = Account.create(:balance => 100, :number => "12345")
=> #<Account id: 1, number: "12345", balance: #<BigDecimal:b79146c0,'0.1E3',4(8)>>
>> paul  = Account.create(:balance => 200, :number => "54321")
=> #<Account id: 2, number: "54321", balance: #<BigDecimal:b790a418,'0.2E3',4(8)>>
 
>> case ARGV[0] || "1"
 
>> when "1"
>>   Account.transaction do
?>     paul.deposit(10)
>>     peter.withdraw(10)
>>   end
 
>> when "2"
>>   Account.transaction do
?>     paul.deposit(350)
>>     peter.withdraw(350)
>>   end
 
>> when "3"
>>   begin
?>     Account.transaction do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "4"
>>   begin
?>     Account.transaction(peter, paul) do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "5"
>>   Account.transfer(peter, paul, 350) rescue  puts "Transfer aborted"
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> end
=> true
 
 
 
>> >> => nil
sqlite3> select * from accounts
     id = 1
 number = 12345
balance = 90
 
     id = 2
 number = 54321
balance = 210
irb e1/ar/transactions.rb 2
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
 
>> ActiveRecord::Schema.define do 
?>   create_table :accounts, :force => true do |t|
?>     t.string  :number
>>     t.decimal :balance, :precision => 10, :scale => 2, :default => 0
>>   end
>> end
-- create_table(:accounts, {:force=>true})
   -> 0.0829s
=> nil
 
 
?> class Account < ActiveRecord::Base
>>   def self.transfer(from, to, amount)
>>     transaction(from, to) do
?>       from.withdraw(amount)
>>       to.deposit(amount)
>>     end
>>   end
 
?>   def withdraw(amount)
>>     adjust_balance_and_save(-amount)
>>   end
 
>>   def deposit(amount)
>>     adjust_balance_and_save(amount)
>>   end
 
>>   private
 
>>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>     save!
>>   end
 
>>   def validate    # validation is called by Active Record
>>     errors.add(:balance, "is negative") if balance < 0
>>   end
>> end
=> nil
 
?>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>   end
=> nil
 
?> peter = Account.create(:balance => 100, :number => "12345")
=> #<Account id: 1, number: "12345", balance: #<BigDecimal:b7884930,'0.1E3',4(8)>>
>> paul  = Account.create(:balance => 200, :number => "54321")
=> #<Account id: 2, number: "54321", balance: #<BigDecimal:b787a930,'0.2E3',4(8)>>
 
>> case ARGV[0] || "1"
 
>> when "1"
>>   Account.transaction do
?>     paul.deposit(10)
>>     peter.withdraw(10)
>>   end
 
>> when "2"
>>   Account.transaction do
?>     paul.deposit(350)
>>     peter.withdraw(350)
>>   end
 
>> when "3"
>>   begin
?>     Account.transaction do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "4"
>>   begin
?>     Account.transaction(peter, paul) do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "5"
>>   Account.transfer(peter, paul, 350) rescue  puts "Transfer aborted"
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> end
ActiveRecord::RecordInvalid: Validation failed: Balance is negative
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:1021:in `save_without_dirty!'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/dirty.rb:87:in `save_without_transactions!'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in `save!'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:136:in `transaction'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:182:in `transaction'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in `save!'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:208:in `rollback_active_record_state!'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in `save!'
	from /home/rubys/git/awdwr/data/code/e1/ar/transactions.rb:46:in `adjust_balance_and_save'
	from /home/rubys/git/awdwr/data/code/e1/ar/transactions.rb:35:in `withdraw'
	from /home/rubys/git/awdwr/data/code/e1/ar/transactions.rb:82
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:136:in `transaction'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:182:in `transaction'
	from /home/rubys/git/awdwr/data/code/e1/ar/transactions.rb:80
 
 
 
>> >> => nil
sqlite3> select * from accounts
     id = 1
 number = 12345
balance = 100
 
     id = 2
 number = 54321
balance = 200
irb e1/ar/transactions.rb 3
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
 
>> ActiveRecord::Schema.define do 
?>   create_table :accounts, :force => true do |t|
?>     t.string  :number
>>     t.decimal :balance, :precision => 10, :scale => 2, :default => 0
>>   end
>> end
-- create_table(:accounts, {:force=>true})
   -> 0.0833s
=> nil
 
 
?> class Account < ActiveRecord::Base
>>   def self.transfer(from, to, amount)
>>     transaction(from, to) do
?>       from.withdraw(amount)
>>       to.deposit(amount)
>>     end
>>   end
 
?>   def withdraw(amount)
>>     adjust_balance_and_save(-amount)
>>   end
 
>>   def deposit(amount)
>>     adjust_balance_and_save(amount)
>>   end
 
>>   private
 
>>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>     save!
>>   end
 
>>   def validate    # validation is called by Active Record
>>     errors.add(:balance, "is negative") if balance < 0
>>   end
>> end
=> nil
 
?>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>   end
=> nil
 
?> peter = Account.create(:balance => 100, :number => "12345")
=> #<Account id: 1, number: "12345", balance: #<BigDecimal:b791424c,'0.1E3',4(8)>>
>> paul  = Account.create(:balance => 200, :number => "54321")
=> #<Account id: 2, number: "54321", balance: #<BigDecimal:b7909c0c,'0.2E3',4(8)>>
 
>> case ARGV[0] || "1"
 
>> when "1"
>>   Account.transaction do
?>     paul.deposit(10)
>>     peter.withdraw(10)
>>   end
 
>> when "2"
>>   Account.transaction do
?>     paul.deposit(350)
>>     peter.withdraw(350)
>>   end
 
>> when "3"
>>   begin
?>     Account.transaction do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "4"
>>   begin
?>     Account.transaction(peter, paul) do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "5"
>>   Account.transfer(peter, paul, 350) rescue  puts "Transfer aborted"
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> end
Transfer aborted
Paul has 550.0
Peter has -250.0
=> nil
 
 
 
>> >> => nil
irb e1/ar/transactions.rb 4
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
 
>> ActiveRecord::Schema.define do 
?>   create_table :accounts, :force => true do |t|
?>     t.string  :number
>>     t.decimal :balance, :precision => 10, :scale => 2, :default => 0
>>   end
>> end
-- create_table(:accounts, {:force=>true})
   -> 0.0792s
=> nil
 
 
?> class Account < ActiveRecord::Base
>>   def self.transfer(from, to, amount)
>>     transaction(from, to) do
?>       from.withdraw(amount)
>>       to.deposit(amount)
>>     end
>>   end
 
?>   def withdraw(amount)
>>     adjust_balance_and_save(-amount)
>>   end
 
>>   def deposit(amount)
>>     adjust_balance_and_save(amount)
>>   end
 
>>   private
 
>>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>     save!
>>   end
 
>>   def validate    # validation is called by Active Record
>>     errors.add(:balance, "is negative") if balance < 0
>>   end
>> end
=> nil
 
?>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>   end
=> nil
 
?> peter = Account.create(:balance => 100, :number => "12345")
=> #<Account id: 1, number: "12345", balance: #<BigDecimal:b78bf24c,'0.1E3',4(8)>>
>> paul  = Account.create(:balance => 200, :number => "54321")
=> #<Account id: 2, number: "54321", balance: #<BigDecimal:b78b4c0c,'0.2E3',4(8)>>
 
>> case ARGV[0] || "1"
 
>> when "1"
>>   Account.transaction do
?>     paul.deposit(10)
>>     peter.withdraw(10)
>>   end
 
>> when "2"
>>   Account.transaction do
?>     paul.deposit(350)
>>     peter.withdraw(350)
>>   end
 
>> when "3"
>>   begin
?>     Account.transaction do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "4"
>>   begin
?>     Account.transaction(peter, paul) do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "5"
>>   Account.transfer(peter, paul, 350) rescue  puts "Transfer aborted"
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> end
Transfer aborted
Paul has 200.0
Peter has 100.0
=> nil
 
 
 
>> >> => nil
irb e1/ar/transactions.rb 5
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
>> require "logger"
=> []
 
>> #ActiveRecord::Base.logger = Logger.new(STDOUT)
 
?> require "rubygems"
=> []
>> require "activerecord"
=> []
 
 
>> ActiveRecord::Schema.define do 
?>   create_table :accounts, :force => true do |t|
?>     t.string  :number
>>     t.decimal :balance, :precision => 10, :scale => 2, :default => 0
>>   end
>> end
-- create_table(:accounts, {:force=>true})
   -> 0.0802s
=> nil
 
 
?> class Account < ActiveRecord::Base
>>   def self.transfer(from, to, amount)
>>     transaction(from, to) do
?>       from.withdraw(amount)
>>       to.deposit(amount)
>>     end
>>   end
 
?>   def withdraw(amount)
>>     adjust_balance_and_save(-amount)
>>   end
 
>>   def deposit(amount)
>>     adjust_balance_and_save(amount)
>>   end
 
>>   private
 
>>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>     save!
>>   end
 
>>   def validate    # validation is called by Active Record
>>     errors.add(:balance, "is negative") if balance < 0
>>   end
>> end
=> nil
 
?>   def adjust_balance_and_save(amount)
>>     self.balance += amount
>>   end
=> nil
 
?> peter = Account.create(:balance => 100, :number => "12345")
=> #<Account id: 1, number: "12345", balance: #<BigDecimal:b784c97c,'0.1E3',4(8)>>
>> paul  = Account.create(:balance => 200, :number => "54321")
=> #<Account id: 2, number: "54321", balance: #<BigDecimal:b784297c,'0.2E3',4(8)>>
 
>> case ARGV[0] || "1"
 
>> when "1"
>>   Account.transaction do
?>     paul.deposit(10)
>>     peter.withdraw(10)
>>   end
 
>> when "2"
>>   Account.transaction do
?>     paul.deposit(350)
>>     peter.withdraw(350)
>>   end
 
>> when "3"
>>   begin
?>     Account.transaction do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "4"
>>   begin
?>     Account.transaction(peter, paul) do
?>       paul.deposit(350)
>>       peter.withdraw(350)
>>     end
>>   rescue
>>     puts "Transfer aborted"
>>   end
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> when "5"
>>   Account.transfer(peter, paul, 350) rescue  puts "Transfer aborted"
 
>>   puts "Paul has #{paul.balance}"
>>   puts "Peter has #{peter.balance}"
 
>> end
Transfer aborted
Paul has 200.0
Peter has 100.0
=> nil
 
 
 
>> >> => nil
irb e1/ar/optimistic.rb
>> $: << File.dirname(__FILE__)
=> ["/home/rubys/svn/rexml/src", "/home/rubys/svn/html5lib/ruby/lib", "/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/i486-linux", "/usr/local/lib/site_ruby/1.8/i386-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/i486-linux", "/usr/lib/ruby/1.8/i386-linux", ".", "/home/rubys/git/awdwr/data/code/e1/ar"]
>> require "connect"
=> true
 
>> require "rubygems"
=> []
>> require "activerecord"
=> []
 
>> ActiveRecord::Schema.define do
?>   create_table :counters, :force => true do |t|
?>     t.integer :count
>>     t.integer :lock_version, :default => 0
>>   end
>> end
-- create_table(:counters, {:force=>true})
   -> 0.0796s
=> nil
 
 
?> class Counter < ActiveRecord::Base
>> end
=> nil
 
>> Counter.delete_all
=> 0
>> Counter.create(:count => 0)
=> #<Counter id: 1, count: 0, lock_version: 0>
 
>> count1 = Counter.find(:first)
=> #<Counter id: 1, count: 0, lock_version: 0>
>> count2 = Counter.find(:first)
=> #<Counter id: 1, count: 0, lock_version: 0>
 
>> count1.count += 3 
=> 3
>> count1.save
=> true
 
>> count2.count += 4 
=> 4
>> count2.save
ActiveRecord::StaleObjectError: Attempted to update a stale object
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/locking/optimistic.rb:100:in `update_without_dirty'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/dirty.rb:146:in `update_without_timestamps'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/timestamp.rb:38:in `update_without_callbacks'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/callbacks.rb:282:in `update'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2868:in `create_or_update_without_callbacks'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/callbacks.rb:250:in `create_or_update'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2539:in `save_without_validation'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:1009:in `save_without_dirty'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/dirty.rb:79:in `save_without_transactions'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:229:in `send'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:229:in `with_transaction_returning_status'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:136:in `transaction'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:182:in `transaction'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:228:in `with_transaction_returning_status'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:196:in `save'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:208:in `rollback_active_record_state!'
	from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:196:in `save'
	from /home/rubys/git/awdwr/data/code/e1/ar/optimistic.rb:31>> #END:optimistic
?> >> => nil

21 Action Controller: Routing and URLs

ruby /home/rubys/git/rails/railties/bin/rails restful
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
ruby script/generate scaffold article title:string summary:text content:text
      exists  app/models/
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/articles
      exists  app/views/layouts/
      exists  test/functional/
      exists  test/unit/
      create  test/unit/helpers/
      exists  public/stylesheets/
      create  app/views/articles/index.html.erb
      create  app/views/articles/show.html.erb
      create  app/views/articles/new.html.erb
      create  app/views/articles/edit.html.erb
      create  app/views/layouts/articles.html.erb
      create  public/stylesheets/scaffold.css
      create  app/controllers/articles_controller.rb
      create  test/functional/articles_controller_test.rb
      create  app/helpers/articles_helper.rb
      create  test/unit/helpers/articles_helper_test.rb
       route  map.resources :articles
  dependency  model
      exists    app/models/
      exists    test/unit/
      exists    test/fixtures/
      create    app/models/article.rb
      create    test/unit/article_test.rb
      create    test/fixtures/articles.yml
      create    db/migrate
      create    db/migrate/20090528025111_create_articles.rb
rake db:migrate
mv 20090528025111_create_articles.rb 20080601000001_create_articles.rb
(in /home/rubys/git/awdwr/work/restful)
==  CreateArticles: migrating =================================================
-- create_table(:articles)
   -> 0.0019s
==  CreateArticles: migrated (0.0021s) ========================================
 
rake routes
(in /home/rubys/git/awdwr/work/restful)
    articles GET    /articles(.:format)                {:controller=>"articles", :action=>"index"}
             POST   /articles(.:format)                {:controller=>"articles", :action=>"create"}
 new_article GET    /articles/new(.:format)            {:controller=>"articles", :action=>"new"}
edit_article GET    /articles/:id/edit(.:format)       {:controller=>"articles", :action=>"edit"}
     article GET    /articles/:id(.:format)            {:controller=>"articles", :action=>"show"}
             PUT    /articles/:id(.:format)            {:controller=>"articles", :action=>"update"}
             DELETE /articles/:id(.:format)            {:controller=>"articles", :action=>"destroy"}
                    /:controller/:action/:id           
                    /:controller/:action/:id(.:format) 
edit config/routes.rb
ActionController::Routing::Routes.draw do |map|
  map.resources :articles
 
  # ...
 
  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end
edit app/controllers/articles_controller.rb
class ArticlesController < ApplicationController
  # GET /articles
  # GET /articles.xml
  def index
    @articles = Article.all
 
    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @articles }
    end
  end
 
  # GET /articles/1
  # GET /articles/1.xml
  def show
    @article = Article.find(params[:id])
 
    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @article }
    end
  end
 
  # GET /articles/new
  # GET /articles/new.xml
  def new
    @article = Article.new
 
    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @article }
    end
  end
 
  # GET /articles/1/edit
  def edit
    @article = Article.find(params[:id])
  end
 
  # POST /articles
  # POST /articles.xml
  def create
    @article = Article.new(params[:article])
 
    respond_to do |format|
      if @article.save
        flash[:notice] = 'Article was successfully created.'
        format.html { redirect_to(@article) }
        format.xml  { render :xml => @article, :status => :created,
                             :location => @article }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @article.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
 
  # PUT /articles/1
  # PUT /articles/1.xml
  def update
    @article = Article.find(params[:id])
 
    respond_to do |format|
      if @article.update_attributes(params[:article])
        flash[:notice] = 'Article was successfully updated.'
        format.html { redirect_to(@article) }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @article.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
 
  # DELETE /articles/1
  # DELETE /articles/1.xml
  def destroy
    @article = Article.find(params[:id])
    @article.destroy
 
    respond_to do |format|
      format.html { redirect_to(articles_url) }
      format.xml  { head :ok }
    end
  end
end
edit app/views/articles/index.html.erb
<h1>Listing articles</h1>
 
<table>
  <tr>
    <th>Title</th>
    <th>Summary</th>
    <th>Content</th>
  </tr>
 
<% @articles.each do |article| %>
  <tr>
    <td><%=h article.title %></td>
    <td><%=h article.summary %></td>
    <td><%=h article.content %></td>
    <td><%= link_to 'Show', article %></td>
    <td><%= link_to 'Edit', edit_article_path(article) %></td>
    <td><%= link_to 'Destroy', article, :confirm => 'Are you sure?',
                                        :method => :delete %></td>
  </tr>
<% end %>
</table>
 
<br />
 
<%= link_to 'New article', new_article_path %>
edit config/routes.rb
ActionController::Routing::Routes.draw do |map|
  map.resources :articles, :collection => { :recent => :get }
 
  # ...
 
 
  # The priority is based upon order of creation: first created -> highest priority.
 
  # Sample of regular route:
  #   map.connect 'products/:id', :controller => 'catalog', :action => 'view'
  # Keep in mind you can assign values other than :controller and :action
 
  # Sample of named route:
  #   map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
  # This route can be invoked with purchase_url(:id => product.id)
 
  # Sample resource route (maps HTTP verbs to controller actions automatically):
  #   map.resources :products
 
  # Sample resource route with options:
  #   map.resources :products, :member => { :short => :get, :toggle => :post }, :collection => { :sold => :get }
 
  # Sample resource route with sub-resources:
  #   map.resources :products, :has_many => [ :comments, :sales ], :has_one => :seller
  
  # Sample resource route with more complex sub-resources
  #   map.resources :products do |products|
  #     products.resources :comments
  #     products.resources :sales, :collection => { :recent => :get }
  #   end
 
  # Sample resource route within a namespace:
  #   map.namespace :admin do |admin|
  #     # Directs /admin/products/* to Admin::ProductsController (app/controllers/admin/products_controller.rb)
  #     admin.resources :products
  #   end
 
  # You can have the root of your site routed with map.root -- just remember to delete public/index.html.
  # map.root :controller => "welcome"
 
  # See how all your routes lay out with "rake routes"
 
  # Install the default routes as the lowest priority.
  # Note: These default routes make all actions in every controller accessible via GET requests. You should
  # consider removing or commenting them out if you're using named routes and resources.
  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end
rake routes
(in /home/rubys/git/awdwr/work/restful)
recent_articles GET    /articles/recent(.:format)         {:controller=>"articles", :action=>"recent"}
       articles GET    /articles(.:format)                {:controller=>"articles", :action=>"index"}
                POST   /articles(.:format)                {:controller=>"articles", :action=>"create"}
    new_article GET    /articles/new(.:format)            {:controller=>"articles", :action=>"new"}
   edit_article GET    /articles/:id/edit(.:format)       {:controller=>"articles", :action=>"edit"}
        article GET    /articles/:id(.:format)            {:controller=>"articles", :action=>"show"}
                PUT    /articles/:id(.:format)            {:controller=>"articles", :action=>"update"}
                DELETE /articles/:id(.:format)            {:controller=>"articles", :action=>"destroy"}
                       /:controller/:action/:id           
                       /:controller/:action/:id(.:format) 
edit config/routes.rb
ActionController::Routing::Routes.draw do |map|
  map.resources :articles, :member => { :embargo => :put, :release => :put }
 
  # ...
 
 
  # The priority is based upon order of creation: first created -> highest priority.
 
  # Sample of regular route:
  #   map.connect 'products/:id', :controller => 'catalog', :action => 'view'
  # Keep in mind you can assign values other than :controller and :action
 
  # Sample of named route:
  #   map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
  # This route can be invoked with purchase_url(:id => product.id)
 
  # Sample resource route (maps HTTP verbs to controller actions automatically):
  #   map.resources :products
 
  # Sample resource route with options:
  #   map.resources :products, :member => { :short => :get, :toggle => :post }, :collection => { :sold => :get }
 
  # Sample resource route with sub-resources:
  #   map.resources :products, :has_many => [ :comments, :sales ], :has_one => :seller
  
  # Sample resource route with more complex sub-resources
  #   map.resources :products do |products|
  #     products.resources :comments
  #     products.resources :sales, :collection => { :recent => :get }
  #   end
 
  # Sample resource route within a namespace:
  #   map.namespace :admin do |admin|
  #     # Directs /admin/products/* to Admin::ProductsController (app/controllers/admin/products_controller.rb)
  #     admin.resources :products
  #   end
 
  # You can have the root of your site routed with map.root -- just remember to delete public/index.html.
  # map.root :controller => "welcome"
 
  # See how all your routes lay out with "rake routes"
 
  # Install the default routes as the lowest priority.
  # Note: These default routes make all actions in every controller accessible via GET requests. You should
  # consider removing or commenting them out if you're using named routes and resources.
  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end
rake routes
(in /home/rubys/git/awdwr/work/restful)
       articles GET    /articles(.:format)                {:controller=>"articles", :action=>"index"}
                POST   /articles(.:format)                {:controller=>"articles", :action=>"create"}
    new_article GET    /articles/new(.:format)            {:controller=>"articles", :action=>"new"}
   edit_article GET    /articles/:id/edit(.:format)       {:controller=>"articles", :action=>"edit"}
embargo_article PUT    /articles/:id/embargo(.:format)    {:controller=>"articles", :action=>"embargo"}
release_article PUT    /articles/:id/release(.:format)    {:controller=>"articles", :action=>"release"}
        article GET    /articles/:id(.:format)            {:controller=>"articles", :action=>"show"}
                PUT    /articles/:id(.:format)            {:controller=>"articles", :action=>"update"}
                DELETE /articles/:id(.:format)            {:controller=>"articles", :action=>"destroy"}
                       /:controller/:action/:id           
                       /:controller/:action/:id(.:format) 
edit config/routes.rb
ActionController::Routing::Routes.draw do |map|
  map.resources :articles, :new => { :shortform => :post }
 
  # ...
 
 
  # The priority is based upon order of creation: first created -> highest priority.
 
  # Sample of regular route:
  #   map.connect 'products/:id', :controller => 'catalog', :action => 'view'
  # Keep in mind you can assign values other than :controller and :action
 
  # Sample of named route:
  #   map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
  # This route can be invoked with purchase_url(:id => product.id)
 
  # Sample resource route (maps HTTP verbs to controller actions automatically):
  #   map.resources :products
 
  # Sample resource route with options:
  #   map.resources :products, :member => { :short => :get, :toggle => :post }, :collection => { :sold => :get }
 
  # Sample resource route with sub-resources:
  #   map.resources :products, :has_many => [ :comments, :sales ], :has_one => :seller
  
  # Sample resource route with more complex sub-resources
  #   map.resources :products do |products|
  #     products.resources :comments
  #     products.resources :sales, :collection => { :recent => :get }
  #   end
 
  # Sample resource route within a namespace:
  #   map.namespace :admin do |admin|
  #     # Directs /admin/products/* to Admin::ProductsController (app/controllers/admin/products_controller.rb)
  #     admin.resources :products
  #   end
 
  # You can have the root of your site routed with map.root -- just remember to delete public/index.html.
  # map.root :controller => "welcome"
 
  # See how all your routes lay out with "rake routes"
 
  # Install the default routes as the lowest priority.
  # Note: These default routes make all actions in every controller accessible via GET requests. You should
  # consider removing or commenting them out if you're using named routes and resources.
  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end
rake routes
(in /home/rubys/git/awdwr/work/restful)
             articles GET    /articles(.:format)                {:controller=>"articles", :action=>"index"}
                      POST   /articles(.:format)                {:controller=>"articles", :action=>"create"}
          new_article GET    /articles/new(.:format)            {:controller=>"articles", :action=>"new"}
shortform_new_article POST   /articles/new/shortform(.:format)  {:controller=>"articles", :action=>"shortform"}
         edit_article GET    /articles/:id/edit(.:format)       {:controller=>"articles", :action=>"edit"}
              article GET    /articles/:id(.:format)            {:controller=>"articles", :action=>"show"}
                      PUT    /articles/:id(.:format)            {:controller=>"articles", :action=>"update"}
                      DELETE /articles/:id(.:format)            {:controller=>"articles", :action=>"destroy"}
                             /:controller/:action/:id           
                             /:controller/:action/:id(.:format) 
edit config/routes.rb
ActionController::Routing::Routes.draw do |map|
  map.resources :articles  do |article|
    article.resources :comments
  end
 
  # ...
 
  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end
rake routes
(in /home/rubys/git/awdwr/work/restful)
            articles GET    /articles(.:format)                               {:controller=>"articles", :action=>"index"}
                     POST   /articles(.:format)                               {:controller=>"articles", :action=>"create"}
         new_article GET    /articles/new(.:format)                           {:controller=>"articles", :action=>"new"}
        edit_article GET    /articles/:id/edit(.:format)                      {:controller=>"articles", :action=>"edit"}
             article GET    /articles/:id(.:format)                           {:controller=>"articles", :action=>"show"}
                     PUT    /articles/:id(.:format)                           {:controller=>"articles", :action=>"update"}
                     DELETE /articles/:id(.:format)                           {:controller=>"articles", :action=>"destroy"}
    article_comments GET    /articles/:article_id/comments(.:format)          {:controller=>"comments", :action=>"index"}
                     POST   /articles/:article_id/comments(.:format)          {:controller=>"comments", :action=>"create"}
 new_article_comment GET    /articles/:article_id/comments/new(.:format)      {:controller=>"comments", :action=>"new"}
edit_article_comment GET    /articles/:article_id/comments/:id/edit(.:format) {:controller=>"comments", :action=>"edit"}
     article_comment GET    /articles/:article_id/comments/:id(.:format)      {:controller=>"comments", :action=>"show"}
                     PUT    /articles/:article_id/comments/:id(.:format)      {:controller=>"comments", :action=>"update"}
                     DELETE /articles/:article_id/comments/:id(.:format)      {:controller=>"comments", :action=>"destroy"}
                            /:controller/:action/:id                          
                            /:controller/:action/:id(.:format)                
ruby script/generate model comment comment:text article_id:integer
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/comment.rb
      create  test/unit/comment_test.rb
      create  test/fixtures/comments.yml
      exists  db/migrate
      create  db/migrate/20090528025120_create_comments.rb
ruby script/generate controller comments new edit update destroy
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/comments
      exists  test/functional/
      exists  test/unit/helpers/
      create  app/controllers/comments_controller.rb
      create  test/functional/comments_controller_test.rb
      create  app/helpers/comments_helper.rb
      create  test/unit/helpers/comments_helper_test.rb
      create  app/views/comments/new.html.erb
      create  app/views/comments/edit.html.erb
      create  app/views/comments/update.html.erb
      create  app/views/comments/destroy.html.erb
rm app/views/comments/destroy.html.erb
rm app/views/comments/update.html.erb
edit app/models/article.rb
class Article < ActiveRecord::Base
  has_many :comments
end
edit app/models/comment.rb
class Comment < ActiveRecord::Base
  belongs_to :article
end
rake db:migrate
mv 20090528025120_create_comments.rb 20080601000002_create_comments.rb
(in /home/rubys/git/awdwr/work/restful)
==  CreateComments: migrating =================================================
-- create_table(:comments)
   -> 0.0019s
==  CreateComments: migrated (0.0020s) ========================================
 
edit app/views/articles/show.html.erb
<p>
  <b>Title:</b>
  <%=h @article.title %>
</p>
 
<p>
  <b>Summary:</b>
  <%=h @article.summary %>
</p>
 
<p>
  <b>Content:</b>
  <%=h @article.content %>
</p>
 
 
<% unless @article.comments.empty? %>
  <%= render :partial => "/comments/comment",
	           :collection => @article.comments %>
<% end %>

    
<%= link_to "Add comment", new_article_comment_url(@article) %> |
<%= link_to 'Edit', edit_article_path(@article) %> |
<%= link_to 'Back', articles_path %>
edit app/views/comments/_comment.html.erb
<div class="comment">
  <p>
    <strong>Comment last updated: <%= comment.updated_at %></strong>
    <%= link_to "Edit", edit_article_comment_url(:id => comment,
                                      :article_id => comment.article) %>

    
    <%= link_to "Delete", article_comment_url(:id => comment,
                                      :article_id => comment.article), 
                                      :method => :delete %>
  </p>
  <blockquote>
    <%=h comment.comment %>
  </blockquote>

    

    
</div>                                    
edit app/views/comments/_form.html.erb
<%= form.text_area  :comment, :rows => 3 %>
edit app/views/comments/edit.html.erb
<h1>Editing comment</h1>

    
<%= error_messages_for :comment %>

    
<% form_for([@article,@comment]) do |f| %>
  <p>
    <b>Comment</b><br />
    <%= f.text_area :comment %>
  </p>

    
  <p>
    <b>Article</b><br />
    <%= f.text_field :article_id %>
  </p>

    
  <p>
    <%= f.submit "Update" %>
  </p>
<% end %>

    
<%= link_to 'Back', article_path(@article) %>
edit app/views/comments/new.html.erb
<% form_for [@article, @comment] do |form| %>
<fieldset>
  <legend>Add a Comment</legend>
	
  <%= render :partial => 'form', :object => form %>

    
  <p>
    <%= submit_tag "Create" %>
  </p>
</fieldset>
<% end %>
edit app/controllers/comments_controller.rb
class CommentsController < ApplicationController
 
  before_filter :find_article
 
  def new
    @comment = Comment.new
  end
 
  def edit
    @comment = @article.comments.find(params[:id])
  end
 
  def create
    @comment = Comment.new(params[:comment])
    if (@article.comments << @comment)
      redirect_to article_url(@article)
    else
      render :action => :new
    end
  end
 
  def update
    @comment = @article.comments.find(params[:id])
    if @comment.update_attributes(params[:comment])
      redirect_to article_url(@article)
    else
      render :action => :edit
    end
  end
 
  def destroy
    comment = @article.comments.find(params[:id])
    @article.comments.delete(comment)
    redirect_to article_url(@article)
  end
 
private
 
  def find_article
    @article_id = params[:article_id]
    return(redirect_to(articles_url)) unless @article_id
    @article = Article.find(@article_id)
  end
 
end
ruby /home/rubys/git/rails/railties/bin/rails routing
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
ruby script/generate controller store index add_to_cart
      exists  app/controllers/
      exists  app/helpers/
      create  app/views/store
      exists  test/functional/
      create  test/unit/helpers/
      create  app/controllers/store_controller.rb
      create  test/functional/store_controller_test.rb
      create  app/helpers/store_helper.rb
      create  test/unit/helpers/store_helper_test.rb
      create  app/views/store/index.html.erb
      create  app/views/store/add_to_cart.html.erb
cp -v /home/rubys/git/awdwr/data/routing/* config
`/home/rubys/git/awdwr/data/routing/routes.rb' -> `config/routes.rb'
`/home/rubys/git/awdwr/data/routing/routes_with_conditions.rb' -> `config/routes_with_conditions.rb'
`/home/rubys/git/awdwr/data/routing/routes_with_names.rb' -> `config/routes_with_names.rb'
`/home/rubys/git/awdwr/data/routing/routing_conditions_test.rb' -> `config/routing_conditions_test.rb'
`/home/rubys/git/awdwr/data/routing/routing_test.rb' -> `config/routing_test.rb'
mv -v config/*_test.rb test/unit
`config/routing_conditions_test.rb' -> `test/unit/routing_conditions_test.rb'
`config/routing_test.rb' -> `test/unit/routing_test.rb'
rake db:schema:dump
(in /home/rubys/git/awdwr/work/routing)
rake test
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/unit/helpers/store_helper_test.rb" "test/unit/routing_conditions_test.rb" "test/unit/routing_test.rb" 
(in /home/rubys/git/awdwr/work/routing)
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.....
Finished in 0.081354 seconds.
 
5 tests, 29 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/functional/store_controller_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.
Finished in 0.050253 seconds.
 
1 tests, 1 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"  

21.2 Routing Requests

irb e1/routing/config/routes_for_depot.rb
>> require 'activesupport'
=> true
>> require 'action_controller'
=> ["Mime", "HTML", "ActionController"]
>> require 'action_controller/integration'
=> []
 
>> ActionController::Base.session_store = nil
=> nil
>> ActionController::Routing.use_controllers! ["store", "admin", "coupon"]
=> ["store", "admin", "coupon"]
>> load "config/routes.rb"
=> []
>> rs = ActionController::Routing::Routes
=> #<ActionController::Routing::RouteSet:0xb775a94c @named_routes=#<ActionController::Routing::RouteSet::NamedRouteCollection:0xb7752710 @module=#<Module:0xb77525e4>, @routes={:products=>#<ActionController::Routing::Route:0xb76c99c4 @to_s="GET    /products(.:format)?                     {:action=>\"index\", :controller=>\"products\"}", @optimise=true, @parameter_shell={:action=>"index", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76c9e88 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76c9de8 @is_optional=false, @value="products">, #<ActionController::Routing::OptionalFormatSegment:0xb76c9d70 @is_optional=true, @key=:format>], @action_requirement="index", @controller_requirement="products", @defaults={:action=>"index", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"index", :controller=>"products"}>, :edit_product=>#<ActionController::Routing::Route:0xb76b55a0 @to_s="GET    /products/:id/edit(.:format)?            {:action=>\"edit\", :controller=>\"products\"}", @optimise=false, @parameter_shell={:action=>"edit", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76b5ed8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76b5e38 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76b5d84 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76b5ce4 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::DividerSegment:0xb76b5c30 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76b5b90 @is_optional=false, @value="edit">, #<ActionController::Routing::OptionalFormatSegment:0xb76b5b18 @is_optional=true, @key=:format>], @action_requirement="edit", @controller_requirement="products", @defaults={:action=>"edit", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"edit", :controller=>"products"}>, :new_order=>#<ActionController::Routing::Route:0xb76e4580 @to_s="GET    /orders/new(.:format)?                   {:action=>\"new\", :controller=>\"orders\"}", @optimise=true, @parameter_shell={:action=>"new", :controller=>"orders"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76e4be8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76e4b48 @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76e4a94 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76e49f4 @is_optional=false, @value="new">, #<ActionController::Routing::OptionalFormatSegment:0xb76e497c @is_optional=true, @key=:format>], @action_requirement="new", @controller_requirement="orders", @defaults={:action=>"new", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"new", :controller=>"orders"}>, :new_line_item=>#<ActionController::Routing::Route:0xb79eb5e4 @to_s="GET    /line_items/new(.:format)?               {:action=>\"new\", :controller=>\"line_items\"}", @optimise=true, @parameter_shell={:action=>"new", :controller=>"line_items"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb79ec50c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb79ec3f4 @is_optional=false, @value="line_items">, #<ActionController::Routing::DividerSegment:0xb79ec110 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb79ebfe4 @is_optional=false, @value="new">, #<ActionController::Routing::OptionalFormatSegment:0xb79ebf58 @is_optional=true, @key=:format>], @action_requirement="new", @controller_requirement="line_items", @defaults={:action=>"new", :controller=>"line_items"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"new", :controller=>"line_items"}>, :user=>#<ActionController::Routing::Route:0xb7a79eac @to_s="GET    /users/:id(.:format)?                    {:action=>\"show\", :controller=>\"users\"}", @optimise=false, @parameter_shell={:action=>"show", :controller=>"users"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb7a7eb28 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb7a7e5c4 @is_optional=false, @value="users">, #<ActionController::Routing::DividerSegment:0xb7a7df98 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb7a7cfe4 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb7a7cdc8 @is_optional=true, @key=:format>], @action_requirement="show", @controller_requirement="users", @defaults={:action=>"show", :controller=>"users"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"show", :controller=>"users"}>, :new_user=>#<ActionController::Routing::Route:0xb7725d8c @to_s="GET    /users/new(.:format)?                    {:action=>\"new\", :controller=>\"users\"}", @optimise=true, @parameter_shell={:action=>"new", :controller=>"users"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb7726e1c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb7726d68 @is_optional=false, @value="users">, #<ActionController::Routing::DividerSegment:0xb7726c64 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb7726bc4 @is_optional=false, @value="new">, #<ActionController::Routing::OptionalFormatSegment:0xb7726a34 @is_optional=true, @key=:format>], @action_requirement="new", @controller_requirement="users", @defaults={:action=>"new", :controller=>"users"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"new", :controller=>"users"}>, :product=>#<ActionController::Routing::Route:0xb76afa4c @to_s="GET    /products/:id(.:format)?                 {:action=>\"show\", :controller=>\"products\"}", @optimise=false, @parameter_shell={:action=>"show", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76b01e0 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76b0140 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76b008c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76affec @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76aff74 @is_optional=true, @key=:format>], @action_requirement="show", @controller_requirement="products", @defaults={:action=>"show", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"show", :controller=>"products"}>, :edit_order=>#<ActionController::Routing::Route:0xb76db1c4 @to_s="GET    /orders/:id/edit(.:format)?              {:action=>\"edit\", :controller=>\"orders\"}", @optimise=false, @parameter_shell={:action=>"edit", :controller=>"orders"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76dbafc @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76dba5c @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76db9a8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76db908 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::DividerSegment:0xb76db854 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76db7b4 @is_optional=false, @value="edit">, #<ActionController::Routing::OptionalFormatSegment:0xb76db73c @is_optional=true, @key=:format>], @action_requirement="edit", @controller_requirement="orders", @defaults={:action=>"edit", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"edit", :controller=>"orders"}>, :edit_line_item=>#<ActionController::Routing::Route:0xb79b956c @to_s="GET    /line_items/:id/edit(.:format)?          {:action=>\"edit\", :controller=>\"line_items\"}", @optimise=false, @parameter_shell={:action=>"edit", :controller=>"line_items"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb79bb330 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb79bb128 @is_optional=false, @value="line_items">, #<ActionController::Routing::DividerSegment:0xb79bafc0 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb79bae6c @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::DividerSegment:0xb79bac00 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb79bab60 @is_optional=false, @value="edit">, #<ActionController::Routing::OptionalFormatSegment:0xb79ba8e0 @is_optional=true, @key=:format>], @action_requirement="edit", @controller_requirement="line_items", @defaults={:action=>"edit", :controller=>"line_items"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"edit", :controller=>"line_items"}>, :users=>#<ActionController::Routing::Route:0xb7747c48 @to_s="GET    /users(.:format)? 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              {:action=>\"show\", :controller=>\"line_items\"}", @optimise=false, @parameter_shell={:action=>"show", :controller=>"line_items"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb7b53dc8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb7b539b8 @is_optional=false, @value="line_items">, #<ActionController::Routing::DividerSegment:0xb7b5374c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb7b52fa4 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb7b52ae0 @is_optional=true, @key=:format>], @action_requirement="show", @controller_requirement="line_items", @defaults={:action=>"show", :controller=>"line_items"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"show", :controller=>"line_items"}>, #<ActionController::Routing::Route:0xb76f5808 @to_s="PUT    /line_items/:id(.:format)?               {:action=>\"update\", :controller=>\"line_items\"}", @optimise=false, @parameter_shell={:action=>"update", :controller=>"line_items"}, @conditions={:method=>:put}, @segments=[#<ActionController::Routing::DividerSegment:0xb76f5f9c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76f5efc @is_optional=false, @value="line_items">, #<ActionController::Routing::DividerSegment:0xb76f5e48 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76f5da8 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76f5d30 @is_optional=true, @key=:format>], @action_requirement="update", @controller_requirement="line_items", @defaults={:action=>"update", :controller=>"line_items"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"update", :controller=>"line_items"}>, #<ActionController::Routing::Route:0xb76f27ac @to_s="DELETE /line_items/:id(.:format)?               {:action=>\"destroy\", :controller=>\"line_items\"}", @optimise=false, @parameter_shell={:action=>"destroy", :controller=>"line_items"}, @conditions={:method=>:delete}, @segments=[#<ActionController::Routing::DividerSegment:0xb76f2f40 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76f2ea0 @is_optional=false, @value="line_items">, #<ActionController::Routing::DividerSegment:0xb76f2dec @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76f2d4c @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76f2cd4 @is_optional=true, @key=:format>], @action_requirement="destroy", @controller_requirement="line_items", @defaults={:action=>"destroy", :controller=>"line_items"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"destroy", :controller=>"line_items"}>, #<ActionController::Routing::Route:0xb76ef5e8 @to_s="GET    /orders(.:format)?                       {:action=>\"index\", :controller=>\"orders\"}", @optimise=true, @parameter_shell={:action=>"index", :controller=>"orders"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76efaac @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76efa0c @is_optional=false, @value="orders">, #<ActionController::Routing::OptionalFormatSegment:0xb76ef994 @is_optional=true, @key=:format>], @action_requirement="index", @controller_requirement="orders", @defaults={:action=>"index", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"index", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76e6984 @to_s="POST   /orders(.:format)?                       {:action=>\"create\", :controller=>\"orders\"}", @optimise=true, @parameter_shell={:action=>"create", :controller=>"orders"}, @conditions={:method=>:post}, @segments=[#<ActionController::Routing::DividerSegment:0xb76e6e48 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76e6da8 @is_optional=false, @value="orders">, #<ActionController::Routing::OptionalFormatSegment:0xb76e6d30 @is_optional=true, @key=:format>], @action_requirement="create", @controller_requirement="orders", @defaults={:action=>"create", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"create", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76e4580 @to_s="GET    /orders/new(.:format)?                   {:action=>\"new\", :controller=>\"orders\"}", @optimise=true, @parameter_shell={:action=>"new", :controller=>"orders"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76e4be8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76e4b48 @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76e4a94 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76e49f4 @is_optional=false, @value="new">, #<ActionController::Routing::OptionalFormatSegment:0xb76e497c @is_optional=true, @key=:format>], @action_requirement="new", @controller_requirement="orders", @defaults={:action=>"new", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"new", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76db1c4 @to_s="GET    /orders/:id/edit(.:format)?              {:action=>\"edit\", :controller=>\"orders\"}", @optimise=false, @parameter_shell={:action=>"edit", :controller=>"orders"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76dbafc @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76dba5c @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76db9a8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76db908 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::DividerSegment:0xb76db854 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76db7b4 @is_optional=false, @value="edit">, #<ActionController::Routing::OptionalFormatSegment:0xb76db73c @is_optional=true, @key=:format>], @action_requirement="edit", @controller_requirement="orders", @defaults={:action=>"edit", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"edit", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76d5670 @to_s="GET    /orders/:id(.:format)?                   {:action=>\"show\", :controller=>\"orders\"}", @optimise=false, @parameter_shell={:action=>"show", :controller=>"orders"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76d5e04 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76d5d64 @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76d5cb0 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76d5c10 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76d5b98 @is_optional=true, @key=:format>], @action_requirement="show", @controller_requirement="orders", @defaults={:action=>"show", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"show", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76cfbe4 @to_s="PUT    /orders/:id(.:format)?                   {:action=>\"update\", :controller=>\"orders\"}", @optimise=false, @parameter_shell={:action=>"update", :controller=>"orders"}, @conditions={:method=>:put}, @segments=[#<ActionController::Routing::DividerSegment:0xb76d0378 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76d02d8 @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76d0224 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76d0184 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76d010c @is_optional=true, @key=:format>], @action_requirement="update", @controller_requirement="orders", @defaults={:action=>"update", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"update", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76ccb88 @to_s="DELETE /orders/:id(.:format)?                   {:action=>\"destroy\", :controller=>\"orders\"}", @optimise=false, @parameter_shell={:action=>"destroy", :controller=>"orders"}, @conditions={:method=>:delete}, @segments=[#<ActionController::Routing::DividerSegment:0xb76cd31c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76cd27c @is_optional=false, @value="orders">, #<ActionController::Routing::DividerSegment:0xb76cd1c8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76cd128 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76cd0b0 @is_optional=true, @key=:format>], @action_requirement="destroy", @controller_requirement="orders", @defaults={:action=>"destroy", :controller=>"orders"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"destroy", :controller=>"orders"}>, #<ActionController::Routing::Route:0xb76c99c4 @to_s="GET    /products(.:format)?                     {:action=>\"index\", :controller=>\"products\"}", @optimise=true, @parameter_shell={:action=>"index", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76c9e88 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76c9de8 @is_optional=false, @value="products">, #<ActionController::Routing::OptionalFormatSegment:0xb76c9d70 @is_optional=true, @key=:format>], @action_requirement="index", @controller_requirement="products", @defaults={:action=>"index", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"index", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76c0d60 @to_s="POST   /products(.:format)?                     {:action=>\"create\", :controller=>\"products\"}", @optimise=true, @parameter_shell={:action=>"create", :controller=>"products"}, @conditions={:method=>:post}, @segments=[#<ActionController::Routing::DividerSegment:0xb76c1224 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76c1184 @is_optional=false, @value="products">, #<ActionController::Routing::OptionalFormatSegment:0xb76c110c @is_optional=true, @key=:format>], @action_requirement="create", @controller_requirement="products", @defaults={:action=>"create", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"create", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76be95c @to_s="GET    /products/new(.:format)?                 {:action=>\"new\", :controller=>\"products\"}", @optimise=true, @parameter_shell={:action=>"new", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76befc4 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76bef24 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76bee70 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76bedd0 @is_optional=false, @value="new">, #<ActionController::Routing::OptionalFormatSegment:0xb76bed58 @is_optional=true, @key=:format>], @action_requirement="new", @controller_requirement="products", @defaults={:action=>"new", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:format, :action, :controller], @requirements={:action=>"new", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76b55a0 @to_s="GET    /products/:id/edit(.:format)?            {:action=>\"edit\", :controller=>\"products\"}", @optimise=false, @parameter_shell={:action=>"edit", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76b5ed8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76b5e38 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76b5d84 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76b5ce4 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::DividerSegment:0xb76b5c30 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76b5b90 @is_optional=false, @value="edit">, #<ActionController::Routing::OptionalFormatSegment:0xb76b5b18 @is_optional=true, @key=:format>], @action_requirement="edit", @controller_requirement="products", @defaults={:action=>"edit", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"edit", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76afa4c @to_s="GET    /products/:id(.:format)?                 {:action=>\"show\", :controller=>\"products\"}", @optimise=false, @parameter_shell={:action=>"show", :controller=>"products"}, @conditions={:method=>:get}, @segments=[#<ActionController::Routing::DividerSegment:0xb76b01e0 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76b0140 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76b008c @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76affec @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76aff74 @is_optional=true, @key=:format>], @action_requirement="show", @controller_requirement="products", @defaults={:action=>"show", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"show", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76a9fc0 @to_s="PUT    /products/:id(.:format)?                 {:action=>\"update\", :controller=>\"products\"}", @optimise=false, @parameter_shell={:action=>"update", :controller=>"products"}, @conditions={:method=>:put}, @segments=[#<ActionController::Routing::DividerSegment:0xb76aa754 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76aa6b4 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76aa600 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76aa560 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76aa4e8 @is_optional=true, @key=:format>], @action_requirement="update", @controller_requirement="products", @defaults={:action=>"update", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"update", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76a6f64 @to_s="DELETE /products/:id(.:format)?                 {:action=>\"destroy\", :controller=>\"products\"}", @optimise=false, @parameter_shell={:action=>"destroy", :controller=>"products"}, @conditions={:method=>:delete}, @segments=[#<ActionController::Routing::DividerSegment:0xb76a76f8 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::StaticSegment:0xb76a7658 @is_optional=false, @value="products">, #<ActionController::Routing::DividerSegment:0xb76a75a4 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76a7504 @is_optional=false, @key=:id, @regexp=/[^\/.?]+/>, #<ActionController::Routing::OptionalFormatSegment:0xb76a748c @is_optional=true, @key=:format>], @action_requirement="destroy", @controller_requirement="products", @defaults={:action=>"destroy", :controller=>"products"}, @matching_prepared=true, @significant_keys=[:id, :format, :action, :controller], @requirements={:action=>"destroy", :controller=>"products"}>, #<ActionController::Routing::Route:0xb76a41d8 @to_s="ANY    /:controller/:action/:id/                {}", @optimise=false, @parameter_shell={}, @conditions={}, @segments=[#<ActionController::Routing::DividerSegment:0xb76a4750 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::ControllerSegment:0xb76a46b0 @is_optional=false, @key=:controller>, #<ActionController::Routing::DividerSegment:0xb76a45fc @is_optional=true, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76a455c @is_optional=true, @key=:action, @default="index">, #<ActionController::Routing::DividerSegment:0xb76a44a8 @is_optional=true, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76a4408 @is_optional=true, @key=:id>, #<ActionController::Routing::DividerSegment:0xb76a4354 @is_optional=true, @raw=true, @value="/">], @action_requirement=nil, @controller_requirement=nil, @defaults={:action=>"index"}, @matching_prepared=true, @significant_keys=[:controller, :action, :id], @requirements={}>, #<ActionController::Routing::Route:0xb76a0df8 @to_s="ANY    /:controller/:action/:id(.:format)?      {}", @optimise=false, @parameter_shell={}, @conditions={}, @segments=[#<ActionController::Routing::DividerSegment:0xb76a1348 @is_optional=false, @raw=true, @value="/">, #<ActionController::Routing::ControllerSegment:0xb76a12a8 @is_optional=false, @key=:controller>, #<ActionController::Routing::DividerSegment:0xb76a11f4 @is_optional=true, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76a1154 @is_optional=true, @key=:action, @default="index">, #<ActionController::Routing::DividerSegment:0xb76a10a0 @is_optional=true, @raw=true, @value="/">, #<ActionController::Routing::DynamicSegment:0xb76a1000 @is_optional=true, @key=:id>, #<ActionController::Routing::OptionalFormatSegment:0xb76a0f88 @is_optional=true, @key=:format>], @action_requirement=nil, @controller_requirement=nil, @defaults={:action=>"index"}, @matching_prepared=true, @significant_keys=[:controller, :action, :id, :format], @requirements={}>], @configuration_files=[]>
>> app = ActionController::Integration::Session.new
=> #<ActionController::Integration::Session:0xb768c538 @accept="text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5", @response=nil, @https=false, @status=nil, @remote_addr="127.0.0.1", @host="www.example.com", @request=nil, @status_message=nil, @named_routes_configured=true, @path=nil, @controller=nil, @result=nil, @request_count=0, @application=#<ActionController::Dispatcher:0xb768335c @output=#<IO:0xb7c47f68>, @app=#<Rack::Lock:0xb76792d0 @lock=#<Mutex:0xb7679230>, @app=#<ActionController::Failsafe:0xb7679398 @app=#<ActionController::RewindableInput:0xb7679460 @app=#<ActionController::ParamsParser:0xb7679528 @app=#<Rack::MethodOverride:0xb76795f0 @app=#<Rack::Head:0xb7679780 @app=#<Proc:0xb768a454@/usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:82>>>>>>>>, @cookies={}, @headers=nil>
 
>> puts rs.routes
GET    /users(.:format)?                        {:action=>"index", :controller=>"users"}
POST   /users(.:format)?                        {:action=>"create", :controller=>"users"}
GET    /users/new(.:format)?                    {:action=>"new", :controller=>"users"}
GET    /users/:id/edit(.:format)?               {:action=>"edit", :controller=>"users"}
GET    /users/:id(.:format)?                    {:action=>"show", :controller=>"users"}
PUT    /users/:id(.:format)?                    {:action=>"update", :controller=>"users"}
DELETE /users/:id(.:format)?                    {:action=>"destroy", :controller=>"users"}
GET    /line_items(.:format)?                   {:action=>"index", :controller=>"line_items"}
POST   /line_items(.:format)?                   {:action=>"create", :controller=>"line_items"}
GET    /line_items/new(.:format)?               {:action=>"new", :controller=>"line_items"}
GET    /line_items/:id/edit(.:format)?          {:action=>"edit", :controller=>"line_items"}
GET    /line_items/:id(.:format)?               {:action=>"show", :controller=>"line_items"}
PUT    /line_items/:id(.:format)?               {:action=>"update", :controller=>"line_items"}
DELETE /line_items/:id(.:format)?               {:action=>"destroy", :controller=>"line_items"}
GET    /orders(.:format)?                       {:action=>"index", :controller=>"orders"}
POST   /orders(.:format)?                       {:action=>"create", :controller=>"orders"}
GET    /orders/new(.:format)?                   {:action=>"new", :controller=>"orders"}
GET    /orders/:id/edit(.:format)?              {:action=>"edit", :controller=>"orders"}
GET    /orders/:id(.:format)?                   {:action=>"show", :controller=>"orders"}
PUT    /orders/:id(.:format)?                   {:action=>"update", :controller=>"orders"}
DELETE /orders/:id(.:format)?                   {:action=>"destroy", :controller=>"orders"}
GET    /products(.:format)?                     {:action=>"index", :controller=>"products"}
POST   /products(.:format)?                     {:action=>"create", :controller=>"products"}
GET    /products/new(.:format)?                 {:action=>"new", :controller=>"products"}
GET    /products/:id/edit(.:format)?            {:action=>"edit", :controller=>"products"}
GET    /products/:id(.:format)?                 {:action=>"show", :controller=>"products"}
PUT    /products/:id(.:format)?                 {:action=>"update", :controller=>"products"}
DELETE /products/:id(.:format)?                 {:action=>"destroy", :controller=>"products"}
ANY    /:controller/:action/:id/                {}
ANY    /:controller/:action/:id(.:format)?      {}
=> nil
>> rs.recognize_path "/store"
=> {:action=>"index", :controller=>"store"}
>> rs.recognize_path "/store/add_to_cart/1"
=> {:action=>"add_to_cart", :controller=>"store", :id=>"1"}
>> rs.recognize_path "/store/add_to_cart/1.xml"
=> {:action=>"add_to_cart", :controller=>"store", :format=>"xml", :id=>"1"}
>> rs.generate :controller => :store
=> "/store"
>> rs.generate :controller => :store, :id => 123
=> "/store/index/123"
>> rs.recognize_path "/coupon/show/1"
=> {:action=>"show", :controller=>"coupon", :id=>"1"}
>> load "config/routes.rb"
=> []
>> rs.recognize_path "/coupon/show/1"
=> {:action=>"show", :controller=>"coupon", :id=>"1"}
>> app.url_for :controller => :store, :action => :display, :id => 123
=> "http://www.example.com/store/display/123"
 
irb e1/routing/config/routes_for_blog.rb
>> require 'activesupport'
=> true
>> require 'action_controller'
=> ["Mime", "HTML", "ActionController"]
>> require 'action_controller/integration'
=> []
 
>> ActionController::Base.session_store = nil
=> nil
>> ActionController::Routing.use_controllers! [ "article", "blog" ]
=> ["article", "blog"]
>> rs = ActionController::Routing::Routes
=> #<ActionController::Routing::RouteSet:0xb778be84 @named_routes=#<ActionController::Routing::RouteSet::NamedRouteCollection:0xb7784f08 @module=#<Module:0xb7784c10>, @routes={}, @helpers=[]>, @routes=[], @configuration_files=[]>
>> app = ActionController::Integration::Session.new
=> #<ActionController::Integration::Session:0xb777ac9c @accept="text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5", @response=nil, @https=false, @status=nil, @remote_addr="127.0.0.1", @host="www.example.com", @request=nil, @status_message=nil, @named_routes_configured=true, @path=nil, @controller=nil, @result=nil, @request_count=0, @application=#<ActionController::Dispatcher:0xb776a3c4 @output=#<IO:0xb7c78f64>, @app=#<Rack::Lock:0xb774f790 @lock=#<Mutex:0xb774f4ac>, @app=#<ActionController::Failsafe:0xb774f998 @app=#<ActionController::RewindableInput:0xb774fab0 @app=#<ActionController::ParamsParser:0xb774fbc8 @app=#<Rack::MethodOverride:0xb774fca4 @app=#<Rack::Head:0xb774fe70 @app=#<Proc:0xb7777e20@/usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:82>>>>>>>>, @cookies={}, @headers=nil>
 
?> ActionController::Routing::Routes.draw do |map| 
 
?>   # Straight 'http://my.app/blog/' displays the index 
?>   map.connect "blog/", 
?>               :controller => "blog", 
?>               :action => "index" 
 
?>   # Return articles for a year, year/month, or year/month/day 
?>   map.connect "blog/:year/:month/:day", 
?>               :controller => "blog", 
?>               :action => "show_date", 
?>               :requirements => { :year => /(19|20)\d\d/,
?>                                  :month => /[01]?\d/, 
?>                                  :day => /[0-3]?\d/}, 
?>               :day => nil, 
?>               :month => nil 
 
>>   # Show an article identified by an id 
?>   map.connect "blog/show/:id", 
?>               :controller => "blog", 
?>               :action => "show", 
?>               :id => /\d+/ 
 
>>   # Regular Rails routing for admin stuff 
?>   map.connect "blog/:controller/:action/:id" 
 
>>   # Catchall so we can gracefully handle badly formed requests 
?>   map.connect "*anything", 
?>               :controller => "blog", 
?>               :action => "unknown_request" 
>> end
=> [ActionController::Base, ActionView::Base]
 
>> rs.recognize_path "/blog"
=> {:action=>"index", :controller=>"blog"}
>> rs.recognize_path "/blog/show/123"
=> {:action=>"show", :controller=>"blog", :id=>"123"}
>> rs.recognize_path "/blog/2004"
=> {:action=>"show_date", :controller=>"blog", :year=>"2004"}
>> rs.recognize_path "/blog/2004/12"
=> {:action=>"show_date", :controller=>"blog", :month=>"12", :year=>"2004"}
>> rs.recognize_path "/blog/2004/12/25"
=> {:action=>"show_date", :controller=>"blog", :month=>"12", :year=>"2004", :day=>"25"}
>> rs.recognize_path "/blog/article/edit/123"
=> {:action=>"edit", :controller=>"article", :id=>"123"}
>> rs.recognize_path "/blog/article/show_stats"
=> {:action=>"show_stats", :controller=>"article"}
>> rs.recognize_path "/blog/wibble"
=> {:action=>"unknown_request", :controller=>"blog", :anything=>["blog", "wibble"]}
>> rs.recognize_path "/junk"
=> {:action=>"unknown_request", :controller=>"blog", :anything=>["junk"]}
 
>> last_request = rs.recognize_path "/blog/2006/07/28"
=> {:action=>"show_date", :controller=>"blog", :month=>"07", :year=>"2006", :day=>"28"}
>> rs.generate({:day => 25}, last_request)
=> "/blog/2006/07/25"
>> rs.generate({:year => 2005}, last_request)
=> "/blog/2005"
>> rs.generate({:action => "show" , :id => 123}, last_request)
=> "/blog/show/123"
>> rs.generate({:year => 2006}, last_request)
=> "/blog/2006/07/28"
>> rs.generate({:year => 2006, :month => nil}, last_request)
=> "/blog/2006"
 
>> app.url_for :controller => 'blog', :action => 'show_date', :year => 2002
=> "http://www.example.com/blog/2002"
>> app.url_for :controller => 'blog', :action => 'show_date', :overwrite_params => {:year => "2002" }
=> "http://www.example.com/blog/2002"
 

23.3 Helpers for Formatting, Linking, and Pagination

Expected at least 1 element matching "a[href='http://localhost:3000/pager/user_list?page=27']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1036
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.3_Helpers_for_Formatting,_Linking,_and_Pagination'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby /home/rubys/git/rails/railties/bin/rails view
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
cp -v /home/rubys/git/awdwr/data/code/e1/views/app/controllers/*.rb app/controllers
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/array_controller.rb' -> `app/controllers/array_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/blog1_controller.rb' -> `app/controllers/blog1_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/blog2_controller.rb' -> `app/controllers/blog2_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/blog_controller.rb' -> `app/controllers/blog_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/builder_controller.rb' -> `app/controllers/builder_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/form_controller.rb' -> `app/controllers/form_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/form_for_controller.rb' -> `app/controllers/form_for_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/pager_controller.rb' -> `app/controllers/pager_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/partial_controller.rb' -> `app/controllers/partial_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/products_controller.rb' -> `app/controllers/products_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/rhtml_controller.rb' -> `app/controllers/rhtml_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/test_controller.rb' -> `app/controllers/test_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/views/app/controllers/upload_controller.rb' -> `app/controllers/upload_controller.rb'
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/pager app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/pager' -> `app/views/pager'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/pager/user_list.erb' -> `app/views/pager/user_list.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/pager/user_list.html.erb' -> `app/views/pager/user_list.html.erb'
ruby script/generate model user name:string
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/user.rb
      create  test/unit/user_test.rb
      create  test/fixtures/users.yml
      create  db/migrate
      create  db/migrate/20090528025133_create_users.rb

restart

rake db:migrate
mv 20090528025133_create_users.rb 20080601000001_create_users.rb
(in /home/rubys/git/awdwr/work/view)
==  CreateUsers: migrating ====================================================
-- create_table(:users)
   -> 0.0016s
==  CreateUsers: migrated (0.0017s) ===========================================
 
echo "PagerController.new.populate" | ruby script/console
>> PagerController.new.populate
=> 763
>> 
get /pager/user_list

Routing Error

No route matches "pager/user_list" with {:method=>:get}
get /pager/user_list?page=2

Routing Error

No route matches "pager/user_list" with {:method=>:get}

23.5 Forms That Wrap Model Objects

Expected at least 1 element matching "input[name='product[price]'][value='0.0']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1040
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.5_Forms_That_Wrap_Model_Objects'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
cp -rpv /home/rubys/git/awdwr/plugins/country_select vendor/plugins/
`/home/rubys/git/awdwr/plugins/country_select' -> `vendor/plugins/country_select'
`/home/rubys/git/awdwr/plugins/country_select/lib' -> `vendor/plugins/country_select/lib'
`/home/rubys/git/awdwr/plugins/country_select/lib/country_select.rb' -> `vendor/plugins/country_select/lib/country_select.rb'
`/home/rubys/git/awdwr/plugins/country_select/init.rb' -> `vendor/plugins/country_select/init.rb'
`/home/rubys/git/awdwr/plugins/country_select/install.rb' -> `vendor/plugins/country_select/install.rb'
`/home/rubys/git/awdwr/plugins/country_select/MIT-LICENSE' -> `vendor/plugins/country_select/MIT-LICENSE'
`/home/rubys/git/awdwr/plugins/country_select/uninstall.rb' -> `vendor/plugins/country_select/uninstall.rb'
`/home/rubys/git/awdwr/plugins/country_select/README' -> `vendor/plugins/country_select/README'

restart

ruby script/generate model product title:string description:text image_url:string price:decimal
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/product.rb
      create  test/unit/product_test.rb
      create  test/fixtures/products.yml
      exists  db/migrate
      create  db/migrate/20090528025143_create_products.rb
cp -v /home/rubys/git/awdwr/data/code/e1/views/db/migrate/*products.rb db/migrate/*products.rb
`/home/rubys/git/awdwr/data/code/e1/views/db/migrate/002_create_products.rb' -> `db/migrate/20090528025143_create_products.rb'
cp -v /home/rubys/git/awdwr/data/code/e1/views/app/models/shipping.rb app/models
`/home/rubys/git/awdwr/data/code/e1/views/app/models/shipping.rb' -> `app/models/shipping.rb'
ruby script/generate model detail product_id:integer sku:string manufacturer:string
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/detail.rb
      create  test/unit/detail_test.rb
      create  test/fixtures/details.yml
      exists  db/migrate
      create  db/migrate/20090528025144_create_details.rb
cp -v /home/rubys/git/awdwr/data/code/e1/views/db/migrate/*details.rb db/migrate/*details.rb
`/home/rubys/git/awdwr/data/code/e1/views/db/migrate/004_create_details.rb' -> `db/migrate/20090528025144_create_details.rb'
cp -v /home/rubys/git/awdwr/data/code/e1/views/app/models/detail.rb app/models
`/home/rubys/git/awdwr/data/code/e1/views/app/models/detail.rb' -> `app/models/detail.rb'
rake db:migrate
mv 20090528025143_create_products.rb 20080601000002_create_products.rb
mv 20090528025144_create_details.rb 20080601000003_create_details.rb
(in /home/rubys/git/awdwr/work/view)
==  CreateProducts: migrating =================================================
-- create_table(:products)
   -> 0.0022s
==  CreateProducts: migrated (0.0023s) ========================================
 
==  CreateDetails: migrating ==================================================
-- create_table(:details)
   -> 0.0018s
==  CreateDetails: migrated (0.0019s) =========================================
 
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/form_for app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/form_for' -> `app/views/form_for'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/form_for/new.html.erb' -> `app/views/form_for/new.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/form_for/create.html.erb' -> `app/views/form_for/create.html.erb'
get /form_for/new

Routing Error

No route matches "form_for/new" with {:method=>:get}
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/test app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test' -> `app/views/test'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/test.html.erb' -> `app/views/test/test.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/date_format.reval' -> `app/views/test/date_format.reval'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/objects.xml.builder' -> `app/views/test/objects.xml.builder'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/select.html.erb' -> `app/views/test/select.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/t.html.erb' -> `app/views/test/t.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/numbers.xml.builder' -> `app/views/test/numbers.xml.builder'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/example.rdoc' -> `app/views/test/example.rdoc'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/date_tags.html.erb' -> `app/views/test/date_tags.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/calculate.html.erb' -> `app/views/test/calculate.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/date_dump.html.erb' -> `app/views/test/date_dump.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/calc.html.erb' -> `app/views/test/calc.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/dates.xml.builder' -> `app/views/test/dates.xml.builder'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/text.xml.builder' -> `app/views/test/text.xml.builder'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/test/example1.reval' -> `app/views/test/example1.reval'
get /test/select

Routing Error

No route matches "test/select" with {:method=>:get}
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/products app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/products' -> `app/views/products'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/products/show.html.erb' -> `app/views/products/show.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/products/new.html.erb' -> `app/views/products/new.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/products/create.html.erb' -> `app/views/products/create.html.erb'
get /products/new

Routing Error

No route matches "products/new" with {:method=>:get}

23.6 Custom Form Builders

Expected at least 1 element matching "textarea[id='product_description']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1046
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.6_Custom_Form_Builders'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/helpers/tagged_builder.rb app/helpers
`/home/rubys/git/awdwr/data/code/e1/views/app/helpers/tagged_builder.rb' -> `app/helpers/tagged_builder.rb'
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/builder app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/builder' -> `app/views/builder'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/builder/new_with_helper.html.erb' -> `app/views/builder/new_with_helper.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/builder/new.html.erb' -> `app/views/builder/new.html.erb'
get /builder/new

Routing Error

No route matches "builder/new" with {:method=>:get}
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/helpers/builder_helper.rb app/helpers
`/home/rubys/git/awdwr/data/code/e1/views/app/helpers/builder_helper.rb' -> `app/helpers/builder_helper.rb'
get /builder/new_with_helper

Routing Error

No route matches "builder/new_with_helper" with {:method=>:get}
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/array app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/array' -> `app/views/array'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/array/edit.html.erb' -> `app/views/array/edit.html.erb'
get /array/edit

Routing Error

No route matches "array/edit" with {:method=>:get}

23.7 Working with Nonmodel Fields

Expected at least 1 element matching "input[id='arg1']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1050
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.7_Working_with_Nonmodel_Fields'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
get /test/calculate

Routing Error

No route matches "test/calculate" with {:method=>:get}

23.8 Uploading Files to Rails Applications

Expected at least 1 element matching "input[id='picture_uploaded_picture'][type='file']", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1054
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.8_Uploading_Files_to_Rails_Applications'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate model picture comment:string name:string content_type:string data:binary
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/picture.rb
      create  test/unit/picture_test.rb
      create  test/fixtures/pictures.yml
      exists  db/migrate
      create  db/migrate/20090528025147_create_pictures.rb
cp -v /home/rubys/git/awdwr/data/code/e1/views/db/migrate/*pictures.rb db/migrate/*pictures.rb
`/home/rubys/git/awdwr/data/code/e1/views/db/migrate/003_create_pictures.rb' -> `db/migrate/20090528025147_create_pictures.rb'
cp -v /home/rubys/git/awdwr/data/code/e1/views/app/models/picture.rb app/models
`/home/rubys/git/awdwr/data/code/e1/views/app/models/picture.rb' -> `app/models/picture.rb'
rake db:migrate
mv 20090528025147_create_pictures.rb 20080601000004_create_pictures.rb
(in /home/rubys/git/awdwr/work/view)
==  CreatePictures: migrating =================================================
-- create_table(:pictures)
   -> 0.0019s
==  CreatePictures: migrated (0.0020s) ========================================
 
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/upload app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/upload' -> `app/views/upload'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/upload/show.html.erb' -> `app/views/upload/show.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/upload/get.html.erb' -> `app/views/upload/get.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/upload/save.html.erb' -> `app/views/upload/save.html.erb'
get /upload/get

Routing Error

No route matches "upload/get" with {:method=>:get}

23.9 Layouts and Components

Expected at least 1 element matching "hr", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1058
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.9_Layouts_and_Components'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/partial app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial' -> `app/views/partial'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial/test1.html.erb' -> `app/views/partial/test1.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial/list.html.erb' -> `app/views/partial/list.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial/_partial.html.erb' -> `app/views/partial/_partial.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial/_article.html.erb' -> `app/views/partial/_article.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial/_spacer.html.erb' -> `app/views/partial/_spacer.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/partial/_animal.html.erb' -> `app/views/partial/_animal.html.erb'
get /partial/list

Routing Error

No route matches "partial/list" with {:method=>:get}

23.10 Caching, Part Two

<"There are a total of 4 articles."> expected but was
<"">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1063
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.10_Caching,_Part_Two'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby script/generate model article body:text
      exists  app/models/
      exists  test/unit/
      exists  test/fixtures/
      create  app/models/article.rb
      create  test/unit/article_test.rb
      create  test/fixtures/articles.yml
      exists  db/migrate
      create  db/migrate/20090528025150_create_articles.rb
cp -v /home/rubys/git/awdwr/data/code/e1/views/app/models/article.rb app/models
`/home/rubys/git/awdwr/data/code/e1/views/app/models/article.rb' -> `app/models/article.rb'
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/blog app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog' -> `app/views/blog'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog/list.html.erb' -> `app/views/blog/list.html.erb'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog/index.html.erb' -> `app/views/blog/index.html.erb'
get /blog/list

Routing Error

No route matches "blog/list" with {:method=>:get}
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/blog1 app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog1' -> `app/views/blog1'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog1/list.html.erb' -> `app/views/blog1/list.html.erb'
get /blog1/list

Routing Error

No route matches "blog1/list" with {:method=>:get}
cp -vr /home/rubys/git/awdwr/data/code/e1/views/app/views/blog2 app/views
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog2' -> `app/views/blog2'
`/home/rubys/git/awdwr/data/code/e1/views/app/views/blog2/list.html.erb' -> `app/views/blog2/list.html.erb'
get /blog2/list

Routing Error

No route matches "blog2/list" with {:method=>:get}

23.11 Adding New Templating Systems

Expected at least 1 element matching "em", found 0.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1068
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_23.11_Adding_New_Templating_Systems'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
cp -v /home/rubys/git/awdwr/data/code/e1/views/config/initializers/* config/initializers/
`/home/rubys/git/awdwr/data/code/e1/views/config/initializers/register_eval_template.rb' -> `config/initializers/register_eval_template.rb'
`/home/rubys/git/awdwr/data/code/e1/views/config/initializers/register_rdoc_template.rb' -> `config/initializers/register_rdoc_template.rb'
cp -v /home/rubys/git/awdwr/data/code/e1/views/lib/*_template.rb lib
`/home/rubys/git/awdwr/data/code/e1/views/lib/eval_template.rb' -> `lib/eval_template.rb'
`/home/rubys/git/awdwr/data/code/e1/views/lib/rdoc_template.rb' -> `lib/rdoc_template.rb'

restart

get /test/example

Routing Error

No route matches "test/example" with {:method=>:get}
get /test/date_format

Routing Error

No route matches "test/date_format" with {:method=>:get}
get /test/example1

Routing Error

No route matches "test/example1" with {:method=>:get}

25.1 Sending E-mail

</Thank you for your recent order/> expected but was
<"ruby /home/rubys/git/rails/railties/bin/rails mailer">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1075
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_25.1_Sending_E-mail'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'
ruby /home/rubys/git/rails/railties/bin/rails mailer
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
ruby script/generate mailer OrderMailer confirm sent
      exists  app/models/
      create  app/views/order_mailer
      exists  test/unit/
      create  test/fixtures/order_mailer
      create  app/models/order_mailer.rb
      create  test/unit/order_mailer_test.rb
      create  app/views/order_mailer/confirm.erb
      create  test/fixtures/order_mailer/confirm
      create  app/views/order_mailer/sent.erb
      create  test/fixtures/order_mailer/sent
cp -vr /home/rubys/git/awdwr/data/code/e1/mailer/db/migrate db
`/home/rubys/git/awdwr/data/code/e1/mailer/db/migrate' -> `db/migrate'
`/home/rubys/git/awdwr/data/code/e1/mailer/db/migrate/004_populate_data.rb' -> `db/migrate/004_populate_data.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/db/migrate/001_create_products.rb' -> `db/migrate/001_create_products.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/db/migrate/003_create_orders.rb' -> `db/migrate/003_create_orders.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/db/migrate/002_create_line_items.rb' -> `db/migrate/002_create_line_items.rb'
cp -v /home/rubys/git/awdwr/data/code/e1/mailer/app/controllers/* app/controllers
`/home/rubys/git/awdwr/data/code/e1/mailer/app/controllers/application.rb' -> `app/controllers/application.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/controllers/order_controller.rb' -> `app/controllers/order_controller.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/controllers/test_controller.rb' -> `app/controllers/test_controller.rb'
cp -v /home/rubys/git/awdwr/data/code/e1/mailer/app/models/* app/models
`/home/rubys/git/awdwr/data/code/e1/mailer/app/models/incoming_ticket_handler.rb' -> `app/models/incoming_ticket_handler.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/models/line_item.rb' -> `app/models/line_item.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/models/order.rb' -> `app/models/order.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/models/order_mailer.rb' -> `app/models/order_mailer.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/models/product.rb' -> `app/models/product.rb'
cp -vr /home/rubys/git/awdwr/data/code/e1/mailer/test .
`/home/rubys/git/awdwr/data/code/e1/mailer/test/fixtures/orders.yml' -> `./test/fixtures/orders.yml'
`/home/rubys/git/awdwr/data/code/e1/mailer/test/fixtures/order_mailer/confirm' -> `./test/fixtures/order_mailer/confirm'
`/home/rubys/git/awdwr/data/code/e1/mailer/test/fixtures/order_mailer/sent' -> `./test/fixtures/order_mailer/sent'
`/home/rubys/git/awdwr/data/code/e1/mailer/test/fixtures/products.yml' -> `./test/fixtures/products.yml'
`/home/rubys/git/awdwr/data/code/e1/mailer/test/fixtures/line_items.yml' -> `./test/fixtures/line_items.yml'
`/home/rubys/git/awdwr/data/code/e1/mailer/test/unit/order_mailer_test.rb' -> `./test/unit/order_mailer_test.rb'
`/home/rubys/git/awdwr/data/code/e1/mailer/test/functional/order_controller_test.rb' -> `./test/functional/order_controller_test.rb'
cp -vr /home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer app/views
`/home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer/_html_line_item.erb' -> `app/views/order_mailer/_html_line_item.erb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer/survey.text.plain.erb' -> `app/views/order_mailer/survey.text.plain.erb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer/survey.text.html.erb' -> `app/views/order_mailer/survey.text.html.erb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer/confirm.erb' -> `app/views/order_mailer/confirm.erb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer/sent.erb' -> `app/views/order_mailer/sent.erb'
`/home/rubys/git/awdwr/data/code/e1/mailer/app/views/order_mailer/_line_item.erb' -> `app/views/order_mailer/_line_item.erb'

restart

rake db:migrate
mv 001_create_products.rb 20080601000001_create_products.rb
mv 002_create_line_items.rb 20080601000002_create_line_items.rb
mv 003_create_orders.rb 20080601000003_create_orders.rb
mv 004_populate_data.rb 20080601000004_populate_data.rb
(in /home/rubys/git/awdwr/work/mailer)
==  CreateProducts: migrating =================================================
-- create_table(:products)
   -> 0.0019s
==  CreateProducts: migrated (0.0020s) ========================================
 
==  CreateLineItems: migrating ================================================
-- create_table(:line_items)
   -> 0.0015s
==  CreateLineItems: migrated (0.0016s) =======================================
 
==  CreateOrders: migrating ===================================================
-- create_table(:orders)
   -> 0.0018s
==  CreateOrders: migrated (0.0019s) ==========================================
 
==  PopulateData: migrating ===================================================
==  PopulateData: migrated (0.0367s) ==========================================
 
get /test/create_order

Routing Error

No route matches "test/create_order" with {:method=>:get}
get /test/ship_order

Routing Error

No route matches "test/ship_order" with {:method=>:get}
rake test
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/unit/order_mailer_test.rb" 
(in /home/rubys/git/awdwr/work/mailer)
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
..
Finished in 0.067842 seconds.
 
2 tests, 2 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/functional/order_controller_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
.
Finished in 0.08642 seconds.
 
1 tests, 5 assertions, 0 failures, 0 errors
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"  

26 Active Resources

</Failed with 302/> expected but was
<"      create  ">.

Traceback:
  /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/assertions/selector_assertions.rb:301:in `assert_select'
  ./checkdepot.rb:1083
  ./checkdepot.rb:18:in `instance_eval'
  ./checkdepot.rb:18:in `test_26_Active_Resources'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
  /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/testing/setup_and_teardown.rb:62:in `run'

restart

ruby /home/rubys/git/rails/railties/bin/rails depot_client
      create  
      create  app/controllers
      create  app/helpers
      create  app/models
      create  app/views/layouts
      create  config/environments
      create  config/initializers
      create  config/locales
      create  db
      create  doc
      create  lib
      create  lib/tasks
      create  log
      create  public/images
      create  public/javascripts
      create  public/stylesheets
      create  script/performance
      create  test/fixtures
      create  test/functional
      create  test/integration
      create  test/performance
      create  test/unit
      create  vendor
      create  vendor/plugins
      create  tmp/sessions
      create  tmp/sockets
      create  tmp/cache
      create  tmp/pids
      create  Rakefile
      create  README
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  config/database.yml
      create  config/routes.rb
      create  config/locales/en.yml
      create  db/seeds.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_rails_defaults.rb
      create  config/initializers/session_store.rb
      create  config/environment.rb
      create  config/boot.rb
      create  config/environments/production.rb
      create  config/environments/development.rb
      create  config/environments/test.rb
      create  script/about
      create  script/console
      create  script/dbconsole
      create  script/destroy
      create  script/generate
      create  script/runner
      create  script/server
      create  script/plugin
      create  script/performance/benchmarker
      create  script/performance/profiler
      create  test/test_helper.rb
      create  test/performance/browsing_test.rb
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/index.html
      create  public/favicon.ico
      create  public/robots.txt
      create  public/images/rails.png
      create  public/javascripts/prototype.js
      create  public/javascripts/effects.js
      create  public/javascripts/dragdrop.js
      create  public/javascripts/controls.js
      create  public/javascripts/application.js
      create  doc/README_FOR_APP
      create  log/server.log
      create  log/production.log
      create  log/development.log
      create  log/test.log
ln -s /home/rubys/git/rails vendor/rails
edit app/models/product.rb
class Product < ActiveResource::Base
  self.site = 'http://dave:secret@localhost:3000/'
end
echo "Product.find(2).title" | ruby script/console
>> Product.find(2).title
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:605:in `find_single'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:533:in `find'
	from (irb):1
>> 
edit app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
  layout "store"
  before_filter :authorize, :except => :login
  #...
 
 
protected
  def authorize
    unless User.find_by_id(session[:user_id])
      if session[:user_id] != :logged_out
        authenticate_or_request_with_http_basic('Depot') do |username, password|
          user = User.authenticate(username, password)
          session[:user_id] = user.id if user
        end
      else
        flash[:notice] = "Please log in"
        redirect_to :controller => 'admin', :action => 'login'
      end
    end
  end
 
  def set_locale
    session[:locale] = params[:locale] if params[:locale]
    I18n.locale = session[:locale] || I18n.default_locale
 
    locale_path = "#{LOCALES_DIRECTORY}#{I18n.locale}.yml"
 
    unless I18n.load_path.include? locale_path
      I18n.load_path << locale_path
      I18n.backend.send(:init_translations)
    end
 
  rescue Exception => err
    logger.error err
    flash.now[:notice] = "#{I18n.locale} translation not available"
 
    I18n.load_path -= [locale_path]
    I18n.locale = session[:locale] = I18n.default_locale
  end
end
edit app/controllers/admin_controller.rb
class AdminController < ApplicationController
 
  # just display the form and wait for user to
  # enter a name and password
  def login
    if request.post?
      user = User.authenticate(params[:name], params[:password])
      if user
        session[:user_id] = user.id
        redirect_to(:action => "index")
      else
        flash.now[:notice] = "Invalid user/password combination"
      end
    end
  end
 
  def logout
    session[:user_id] = :logged_out
    flash[:notice] = "Logged out"
    redirect_to(:action => "login")
  end
 
  def index
    @total_orders = Order.count
  end
end
edit app/controllers/line_items_controller.rb
  def create
    params[:line_item][:order_id] ||= params[:order_id]
    @line_item = LineItem.new(params[:line_item])
 
    respond_to do |format|
      if @line_item.save
        flash[:notice] = 'LineItem was successfully created.'
        format.html { redirect_to(@line_item) }
        format.xml  { render :xml => @line_item, :status => :created,
                             :location => @line_item }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @line_item.errors,
                             :status => :unprocessable_entity }
      end
    end
  end
edit config/routes.rb
ActionController::Routing::Routes.draw do |map|
  map.resources :users
 
  map.resources :line_items
 
  map.resources :orders, :has_many => :line_items
 
  map.resources :products
 
  # The priority is based upon order of creation: first created -> highest priority.
 
  # Sample of regular route:
  #   map.connect 'products/:id', :controller => 'catalog', :action => 'view'
  # Keep in mind you can assign values other than :controller and :action
 
  # Sample of named route:
  #   map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
  # This route can be invoked with purchase_url(:id => product.id)
 
  # Sample resource route (maps HTTP verbs to controller actions automatically):
  #   map.resources :products
 
  # Sample resource route with options:
  #   map.resources :products, :member => { :short => :get, :toggle => :post }, :collection => { :sold => :get }
 
  # Sample resource route with sub-resources:
  #   map.resources :products, :has_many => [ :comments, :sales ], :has_one => :seller
  
  # Sample resource route with more complex sub-resources
  #   map.resources :products do |products|
  #     products.resources :comments
  #     products.resources :sales, :collection => { :recent => :get }
  #   end
 
  # Sample resource route within a namespace:
  #   map.namespace :admin do |admin|
  #     # Directs /admin/products/* to Admin::ProductsController (app/controllers/admin/products_controller.rb)
  #     admin.resources :products
  #   end
 
  # You can have the root of your site routed with map.root -- just remember to delete public/index.html.
  # map.root :controller => "welcome"
 
  # See how all your routes lay out with "rake routes"
 
  # Install the default routes as the lowest priority.
  # Note: These default routes make all actions in every controller accessible via GET requests. You should
  # consider removing or commenting them out if you're using named routes and resources.
  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end

restart

echo "Product.find(2).title" | ruby script/console
>> Product.find(2).title
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:605:in `find_single'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:533:in `find'
	from (irb):1
>> 
echo 'p = Product.find(2)
puts p.price
p.price-=5
p.save' | ruby script/console
>> p = Product.find(2)
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:605:in `find_single'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:533:in `find'
	from (irb):1
>> puts p.price
NoMethodError: You have a nil object when you didn't expect it!
The error occurred while evaluating nil.price
	from (irb):2
>> p.price-=5
NoMethodError: You have a nil object when you didn't expect it!
The error occurred while evaluating nil.price
	from (irb):3
>> p.save
NoMethodError: You have a nil object when you didn't expect it!
You might have expected an instance of ActiveRecord::Base.
The error occurred while evaluating nil.save
	from (irb):4
>> 
get /store

Routing Error

No route matches "store" with {:method=>:get}
edit app/models/order.rb
class Order < ActiveResource::Base
  self.site = 'http://dave:secret@localhost:3000/'
end
echo 'Order.find(1).name
Order.find(1).line_items
' | ruby script/console
>> Order.find(1).name
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:605:in `find_single'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:533:in `find'
	from (irb):1
>> Order.find(1).line_items
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:605:in `find_single'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:533:in `find'
	from (irb):2
>> 
?> >> 
edit app/models/line_item.rb
class LineItem < ActiveResource::Base
  self.site = 'http://dave:secret@localhost:3000/orders/:order_id'
end
get /admin/logout

Routing Error

No route matches "admin/logout" with {:method=>:get}
get /admin/login

Routing Error

No route matches "admin/login" with {:method=>:get}
get /orders/1/line_items.xml

Routing Error

No route matches "orders/1/line_items.xml" with {:method=>:get}
echo "LineItem.find(:all, :params => {:order_id=>1})" |ruby script/console
>> LineItem.find(:all, :params => {:order_id=>1})
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:586:in `find_every'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:529:in `find'
	from (irb):1
>> 
echo 'li = LineItem.find(:all, :params => {:order_id=>1}).first
puts li.total_price
li.total_price*=0.8
li.save
li2 = LineItem.new(:order_id=>1, :product_id=>2, :quantity=>1, :total_price=>0.0)
li2.save' | ruby script/console
>> li = LineItem.find(:all, :params => {:order_id=>1}).first
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:64:in `get'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:586:in `find_every'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:529:in `find'
	from (irb):1
>> puts li.total_price
NoMethodError: You have a nil object when you didn't expect it!
The error occurred while evaluating nil.total_price
	from (irb):2
>> li.total_price*=0.8
NoMethodError: You have a nil object when you didn't expect it!
The error occurred while evaluating nil.total_price
	from (irb):3
>> li.save
NoMethodError: You have a nil object when you didn't expect it!
You might have expected an instance of ActiveRecord::Base.
The error occurred while evaluating nil.save
	from (irb):4
>> li2 = LineItem.new(:order_id=>1, :product_id=>2, :quantity=>1, :total_price=>0.0)
=> #<LineItem:0xb74746d8 @attributes={"total_price"=>0.0, "product_id"=>2, "quantity"=>1}, @prefix_options={:order_id=>1}>
>> li2.save
ActiveResource::ResourceNotFound: Failed with 404 Not Found
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:118:in `handle_response'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:99:in `request'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/connection.rb:82:in `post'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:1004:in `create'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/base.rb:806:in `save_without_validation'
	from /home/rubys/git/awdwr/work/depot_client/vendor/rails/activeresource/lib/active_resource/validations.rb:252:in `save'
	from (irb):6
>> 

restart