Fixed missing group_order_article in group_order show.

Also add eager loading for associated objects.

app/helpers/group_orders_helper.rb

@@ -25,4 +25,15 @@ module GroupOrdersHelper
       'ignored'
     end
   end
+
+  def get_order_results(order_article, group_order_id)
+    goa = order_article.group_order_articles.detect { |goa| goa.group_order_id == group_order_id }
+    quantity, tolerance, result, sub_total = if goa.present?
+      [goa.quantity, goa.tolerance, goa.result, goa.total_price(order_article)]
+    else
+      [0, 0, 0, 0]
+    end
+
+    {group_order_article: goa, quantity: quantity, tolerance: tolerance, result: result, sub_total: sub_total}
+  end
 end

app/models/group_order_article.rb

@@ -166,7 +166,7 @@ class GroupOrderArticle < ActiveRecord::Base
   # Until the order is finished this will be the maximum price or
   # the minimum price depending on configuration. When the order is finished it
   # will be the value depending of the article results.
-  def total_price
+  def total_price(order_article = self.order_article)
     unless order_article.order.finished?
       if FoodsoftConfig[:tolerance_is_costly]
         order_article.article.fc_price * (quantity + tolerance)

app/models/order.rb

@@ -1,7 +1,6 @@
 # encoding: utf-8
 #
 class Order < ActiveRecord::Base
-  extend ActiveSupport::Memoizable    # Ability to cache method results. Use memoize :expensive_method
 
   # Associations
   has_many :order_articles, :dependent => :destroy
@@ -86,11 +85,11 @@ class Order < ActiveRecord::Base
   # The array has the following form:
   # e.g: [["drugs",[teethpaste, toiletpaper]], ["fruits" => [apple, banana, lemon]]]
   def articles_grouped_by_category
-    order_articles.includes(:article, :article_price).order('articles.name').
+    order_articles.includes([:article_price, :group_order_articles, :article => :article_category]).
+        order('articles.name').
         group_by { |a|  a.article.article_category.name }.
         sort { |a, b| a[0] <=> b[0] }
   end
-  memoize :articles_grouped_by_category
 
   def articles_sort_by_category
     order_articles.all(:include => [:article], :order => 'articles.name').sort do |a,b|

app/views/group_orders/show.html.haml

@@ -54,26 +54,21 @@
                 = category_name
                 %i.icon-tag
               %td{colspan: "9"}
-            - for oa in order_articles
+            - order_articles.each do |oa|
               - # get the order-results for the ordergroup
-              - goa = oa.group_order_articles.find_by_group_order_id(@group_order.id)
-              - quantity = goa.quantity
-              - tolerance = goa.tolerance
-              - result = goa.result
-              - sub_total = goa.total_price
-              - total += sub_total
-              %tr{class: cycle('even', 'odd', name: 'articles') + " " + order_article_class_name(quantity, tolerance, result)}
+              - r = get_order_results(oa, @group_order.id)
+              %tr{class: cycle('even', 'odd', name: 'articles') + " " + order_article_class_name(r[:quantity], r[:tolerance], r[:result])}
                 %td{style: "width:40%"}
-                  =h oa.article.name
+                  = oa.article.name
                   - unless oa.article.note.blank?
                     = image_tag("lamp_grey.png", {alt: "Notiz anzeigen", size: "15x16", border: "0", onmouseover: "$('note_#{oa.id}').show();", onmouseout: "$('note_#{oa.id}').hide();"})
                 %td= "#{oa.price.unit_quantity} x #{oa.article.unit}"
                 %td= number_to_currency(oa.price.fc_price)
                 %td
-                  = quantity
-                  = "+ #{tolerance}" if oa.price.unit_quantity > 1
-                %td= result > 0 ? result : "0"
-                %td= number_to_currency(sub_total)
+                  = r[:quantity]
+                  = "+ #{r[:tolerance]}" if oa.price.unit_quantity > 1
+                %td= r[:result] > 0 ? r[:result] : "0"
+                %td= number_to_currency(r[:sub_total])
               - unless oa.article.note.blank?
                 %tr{id: "note_#{oa.id}", class: "note even", style: "display:none"}
                   %td{colspan: "6"}=h oa.article.note