The Depot Application

9.2 Iteration D2: Creating an AJAX-Based Cart 8.5 Iteration C4: Finishing the Cart

9.1 Iteration D1: Moving the Cart

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

Traceback:
  /home/rubys/git/awdwr/edition3/work-187-23/vendor/rails/actionpack/lib/action_controller/assertions/selector_assertions.rb:307:in `assert_select'
  /home/rubys/git/awdwr/edition3/checkdepot.rb:149
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

ActiveRecord::StatementInvalid in StoreController#index 

SQLite3::SQLException: no such table: products: SELECT * FROM "products"  ORDER BY title

RAILS_ROOT: /home/rubys/git/awdwr/edition3/work-187-23/depot

Application Trace | Framework Trace | Full Trace

Request

Parameters: 

None

Show session dump

Response

Headers: 

{"Content-Type"=>"",
 "Cache-Control"=>"no-cache"}
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

ActiveRecord::StatementInvalid in StoreController#add_to_cart 

Could not find table 'products'

RAILS_ROOT: /home/rubys/git/awdwr/edition3/work-187-23/depot

Application Trace | Framework Trace | Full Trace

Request

Parameters: 

{"id"=>"3"}

Show session dump

Response

Headers: 

{"Content-Type"=>"",
 "Cache-Control"=>"no-cache"}

9.2 Iteration D2: Creating an AJAX-Based Cart 8.5 Iteration C4: Finishing the Cart