The Depot Application
8.4 Iteration C3: Handling Errors
8.2 Iteration C1: Creating a Cart
8.3 Iteration C2: Creating a Smarter Cart
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 %> × <%=h item.title %></li>
<% end %>
</ul>
get /store/add_to_cart/2
NoMethodError
in StoreController#add_to_cart
undefined method `product' for #<Product:0x85df3dc>
RAILS_ROOT: /home/rubys/git/awdwr/work-191-239/depot
Application Trace |
Framework Trace |
Full Trace
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/attribute_methods.rb:260:in `method_missing'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `block in add_product'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `each'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `find'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `add_product'
/home/rubys/git/awdwr/work-191-239/depot/app/controllers/store_controller.rb:11:in `add_to_cart'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:1331:in `perform_action'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:610:in `perform_action_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `block in ms'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/rescue.rb:160:in `perform_action_with_rescue'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/flash.rb:151:in `perform_action_with_flash'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:532:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:606:in `process_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:391:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:386:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:438:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/attribute_methods.rb:260:in `method_missing'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `block in add_product'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `each'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `find'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `add_product'
/home/rubys/git/awdwr/work-191-239/depot/app/controllers/store_controller.rb:11:in `add_to_cart'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:1331:in `perform_action'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:610:in `perform_action_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `block in ms'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/rescue.rb:160:in `perform_action_with_rescue'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/flash.rb:151:in `perform_action_with_flash'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:532:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:606:in `process_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:391:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:386:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:438:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:87:in `dispatch'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:121:in `_call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:130:in `block in build_middleware_stack'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/head.rb:9:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/params_parser.rb:15:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/session/abstract_store.rb:177:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:29:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:9:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:28:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/failsafe.rb:26:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `block in call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:114:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/reloader.rb:34:in `run'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:108:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/static.rb:31:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:47:in `block in call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `each'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/log_tailer.rb:17:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/content_length.rb:13:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/handler/webrick.rb:48:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/attribute_methods.rb:260:in `method_missing'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `block in add_product'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `each'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `find'
/home/rubys/git/awdwr/work-191-239/depot/app/models/cart.rb:10:in `add_product'
/home/rubys/git/awdwr/work-191-239/depot/app/controllers/store_controller.rb:11:in `add_to_cart'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:1331:in `perform_action'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:610:in `perform_action_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `block in ms'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/rescue.rb:160:in `perform_action_with_rescue'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/flash.rb:151:in `perform_action_with_flash'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:532:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:606:in `process_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:391:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:386:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:438:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:87:in `dispatch'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:121:in `_call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:130:in `block in build_middleware_stack'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/head.rb:9:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/params_parser.rb:15:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/session/abstract_store.rb:177:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:29:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:9:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:28:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/failsafe.rb:26:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `block in call'
<internal:prelude>:8:in `synchronize'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:114:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/reloader.rb:34:in `run'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:108:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/static.rb:31:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:47:in `block in call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `each'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/log_tailer.rb:17:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/content_length.rb:13:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/handler/webrick.rb:48:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
Request
Parameters:
{"id"=>"2"}
Show session dump
Response
Headers:
{"Cache-Control"=>"no-cache",
"Content-Type"=>""}
rake db:sessions:clear
(in /home/rubys/git/awdwr/work-191-239/depot)
Restart the server.
get /store/add_to_cart/2
Pragmatic Bookshelf
Your Pragmatic Cart
- 1 × Pragmatic Project Automation
get /store/add_to_cart/2
Pragmatic Bookshelf
Your Pragmatic Cart
- 2 × Pragmatic Project Automation
get /store/add_to_cart/3
Pragmatic Bookshelf
Your Pragmatic Cart
- 2 × Pragmatic Project Automation
- 1 × Pragmatic Version Control
get /store/add_to_cart/wibble
ActiveRecord::RecordNotFound
in StoreController#add_to_cart
Couldn't find Product with ID=wibble
RAILS_ROOT: /home/rubys/git/awdwr/work-191-239/depot
Application Trace |
Framework Trace |
Full Trace
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:1620:in `find_one'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:1603:in `find_from_ids'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:620:in `find'
/home/rubys/git/awdwr/work-191-239/depot/app/controllers/store_controller.rb:9:in `add_to_cart'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:1331:in `perform_action'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:610:in `perform_action_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `block in ms'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/rescue.rb:160:in `perform_action_with_rescue'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/flash.rb:151:in `perform_action_with_flash'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:532:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:606:in `process_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:391:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:386:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:438:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:1620:in `find_one'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:1603:in `find_from_ids'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:620:in `find'
/home/rubys/git/awdwr/work-191-239/depot/app/controllers/store_controller.rb:9:in `add_to_cart'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:1331:in `perform_action'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:610:in `perform_action_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `block in ms'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/rescue.rb:160:in `perform_action_with_rescue'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/flash.rb:151:in `perform_action_with_flash'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:532:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:606:in `process_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:391:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:386:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:438:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:87:in `dispatch'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:121:in `_call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:130:in `block in build_middleware_stack'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/head.rb:9:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/params_parser.rb:15:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/session/abstract_store.rb:177:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:29:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:9:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:28:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/failsafe.rb:26:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `block in call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:114:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/reloader.rb:34:in `run'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:108:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/static.rb:31:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:47:in `block in call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `each'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/log_tailer.rb:17:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/content_length.rb:13:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/handler/webrick.rb:48:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:1620:in `find_one'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:1603:in `find_from_ids'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/base.rb:620:in `find'
/home/rubys/git/awdwr/work-191-239/depot/app/controllers/store_controller.rb:9:in `add_to_cart'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:1331:in `perform_action'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:610:in `perform_action_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `block in ms'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_with_benchmark'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/rescue.rb:160:in `perform_action_with_rescue'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/flash.rb:151:in `perform_action_with_flash'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:532:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/filters.rb:606:in `process_with_filters'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:391:in `process'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/base.rb:386:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:438:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:87:in `dispatch'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:121:in `_call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:130:in `block in build_middleware_stack'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/string_coercion.rb:25:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/head.rb:9:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/params_parser.rb:15:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/session/abstract_store.rb:177:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:29:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:9:in `cache'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/query_cache.rb:28:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/failsafe.rb:26:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `block in call'
<internal:prelude>:8:in `synchronize'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:114:in `block in call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/reloader.rb:34:in `run'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/actionpack/lib/action_controller/dispatcher.rb:108:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/static.rb:31:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:47:in `block in call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `each'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `call'
/home/rubys/git/awdwr/work-191-239/depot/vendor/rails/railties/lib/rails/rack/log_tailer.rb:17:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/content_length.rb:13:in `call'
/home/rubys/.rvm/gems/ruby-1.9.1-p378/gems/rack-1.1.0/lib/rack/handler/webrick.rb:48:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/home/rubys/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
Request
Parameters:
{"id"=>"wibble"}
Show session dump
Response
Headers:
{"Cache-Control"=>"no-cache",
"Content-Type"=>""}
8.4 Iteration C3: Handling Errors
8.2 Iteration C1: Creating a Cart