Added a mechanism for adding/editing and removing volume prices for v…

…ariants.

app/models/volume_price.rb

@@ -2,6 +2,7 @@ class VolumePrice < ActiveRecord::Base
   belongs_to :variant
   acts_as_list :scope => :variant
   validates_presence_of :variant
+  validates_presence_of :amount
 
   OPEN_ENDED = /\([0-9]+\+\)/
 

app/views/admin/variants/_volume_price.html.erb

@@ -0,0 +1,14 @@
+<tr class="volume_price">
+  <td valign="top"><%=@variant.sku %></td>
+  <td valign="top"><%=@variant.product.name %></td>
+  <td valign="top"><%=variant_options @variant %></td>
+  <td valign="top">
+    <%= f.error_message_on(:range) %>
+    <%=f.text_field(:range, :size => 10)%>
+  </td>
+  <td valign="top">
+    <%= f.error_message_on(:amount) %>
+    <%=f.text_field(:amount, :size => 10)%>
+  </td>
+  <td valign="top"><%= f.remove_link t("Delete") %></td>
+</tr>

app/views/admin/variants/edit.html.erb

@@ -0,0 +1,27 @@
+<%= render :partial => 'shared/product_sub_menu' %>
+<h1><%= t("Editing Product") %></h1>
+<%= render :partial => 'shared/product_tabs', :locals => {:current => "Variants"} %>
+<%= error_messages_for :variant %>
+
+<% form_for(:variant, :url => object_url, :html => { :method => :put }) do |f| %>
+  <%= render :partial => "form", :locals => { :f => f } %>
+  <h3><%= t("Volume Prices") %></h3>
+  <table class="admin-report" width="545">
+    <thead>
+      <tr>
+        <th><%=t("SKU")%></th>
+        <th width="150"><%=t("Product")%></th>
+        <th><%=t("Variant")%></th>
+        <th><%=t("Range")%></th>
+        <th><%=t("Amount")%></th>
+        <th><%=t("Actiion")%></th>
+      </tr>
+    </thead>
+    <tbody id="volume_prices">
+  		<%= f.render_associated_form(@variant.volume_prices) %>
+  	</tbody>
+  </table>
+  <%= f.add_associated_link(t("Add Volume Price"), @variant.volume_prices.build) %>
+  <br/><br/>  
+  <%= render :partial => 'shared/edit_resource_links' %>
+<% end %>

lang/en-US.yml

@@ -0,0 +1,4 @@
+volume_prices: Volume Prices
+new_volume_price: New Volume Price
+edit_volume_price: Edit Volume Price
+range: Range

volume_pricing_extension.rb

@@ -6,15 +6,18 @@ class VolumePricingExtension < Spree::Extension
   description "Describe your extension here"
   url "http://yourwebsite.com/volume_pricing"
 
-  # define_routes do |map|
-  #   map.namespace :admin do |admin|
-  #     admin.resources :whatever
-  #   end  
-  # end
+  define_routes do |map|
+    map.namespace :admin do |admin|
+      admin.resources :volume_prices, :collection => {:variants => :get}
+    end  
+    map.namespace :admin do |admin|
+      admin.resources :variants, :has_many => :volume_prices, :dependent => :destroy, :attributes => true
+    end  
+  end
 
   def activate
     Variant.class_eval do 
-      has_many :volume_prices, :order => :position
+      has_many :volume_prices, :attributes => true, :order => :position, :dependent => :destroy
     end
 
     Order.class_eval do
@@ -54,6 +57,11 @@ def to_range
      end
     end
 
+    Admin::VariantsController.class_eval do
+      update.before do
+        params[:variant][:volume_price_attributes] ||= {}
+      end      
+    end
   end
 
 end