Introduced StockChange. Implemented first part of stockit-logic with updating article's quantity.

app/models/article.rb

@@ -1,5 +1,5 @@
 # == Schema Information
-# Schema version: 20090113111624
+# Schema version: 20090115232435
 #
 # Table name: articles
 #
@@ -21,32 +21,9 @@
 #  order_number        :string(255)
 #  created_at          :datetime
 #  updated_at          :datetime
+#  quantity            :decimal(6, 2)   default(0.0)
 #
 
-# == Schema Information
-# Schema version: 20090102171850
-#
-# Table name: articles
-#
-#  id                  :integer(4)      not null, primary key
-#  name                :string(255)     default(""), not null
-#  supplier_id         :integer(4)      default(0), not null
-#  article_category_id :integer(4)      default(0), not null
-#  unit                :string(255)     default(""), not null
-#  note                :string(255)
-#  availability        :boolean(1)      default(TRUE), not null
-#  manufacturer        :string(255)
-#  origin              :string(255)
-#  shared_updated_on   :datetime
-#  net_price           :decimal(8, 2)
-#  gross_price         :decimal(8, 2)   default(0.0), not null
-#  tax                 :float
-#  deposit             :decimal(8, 2)   default(0.0)
-#  unit_quantity       :integer(4)      default(1), not null
-#  order_number        :string(255)
-#  created_at          :datetime
-#  updated_at          :datetime
-#
 class Article < ActiveRecord::Base
   belongs_to :supplier
   belongs_to :article_category
@@ -230,4 +207,9 @@ class Article < ActiveRecord::Base
     # it could be so easy ... but that doesn't work for empty category-ids...
     # articles.group_by {|a| a.article_category}.sort {|a, b| a[0].name <=> b[0].name}
   end
+
+  def update_quantity(amount)
+    update_attribute :quantity, quantity + amount
+  end
+
 end

app/models/delivery.rb

@@ -12,6 +12,14 @@
 class Delivery < ActiveRecord::Base
 
   belongs_to :supplier
+  has_many :stock_changes
 
   validates_presence_of :supplier_id
+
+  def stock_change_attributes=(stock_change_attributes)
+    for attributes in stock_change_attributes
+      stock_changes.build(attributes) unless attributes[:quantity] == 0.0 or attributes[:quantity].blank?
+    end
+  end
+  
 end

app/models/mailer.rb

@@ -21,10 +21,10 @@ class Mailer < ActionMailer::Base
     from        (message.system_message? ? "FoodSoft <#{APP_CONFIG[:email_sender]}>" : "#{message.sender.nick} <#{message.sender.email}>")
     body        :body => message.body, :sender => (message.system_message? ? 'Foodsoft' : message.sender.nick), 
                 :recipients => message.recipients,
-                :reply => url_for(:host => request.host, reply_message_path(message),
-                :profile => url_for(:host => request.host, my_profile_path),
-                :link => url_for(:host => request.host, message_path(message),
-                :foodsoftUrl => url_for(:host => request.host, :controller => "index")
+                :reply => url_for(:host => request.host, :controller => "messages", :action => "reply", :id => message),
+                :profile => url_for(:host => request.host, :controller => "home", :action => "profile"),
+                :link => url_for(:host => request.host, :controller => "messages", :action => "show", :id => message),
+                :foodsoftUrl => url_for(:host => request.host, :controller => "/")
   end
   
   # Sends an invite email.

app/models/message.rb

@@ -1,11 +1,11 @@
 # == Schema Information
-# Schema version: 20090115123421
+# Schema version: 20090115232435
 #
 # Table name: messages
 #
 #  id             :integer(4)      not null, primary key
 #  sender_id      :integer(4)
-#  recipients_ids :text            default(""), not null
+#  recipients_ids :text
 #  subject        :string(255)     not null
 #  body           :text
 #  email_state    :integer(4)      default(0), not null

app/models/stock_change.rb

@@ -0,0 +1,34 @@
+# == Schema Information
+# Schema version: 20090115232435
+#
+# Table name: stock_changes
+#
+#  id          :integer(4)      not null, primary key
+#  delivery_id :integer(4)
+#  order_id    :integer(4)
+#  article_id  :integer(4)
+#  quantity    :decimal(6, 2)   default(0.0)
+#  created_at  :datetime
+#
+
+class StockChange < ActiveRecord::Base
+  belongs_to :delivery
+  belongs_to :order
+  belongs_to :article
+
+  validates_presence_of :article_id, :quantity
+  validates_numericality_of :quantity
+
+  after_save :update_article_quantity
+  after_destroy :remove_added_quantity
+
+  protected
+
+  def update_article_quantity
+    article.update_quantity(quantity)
+  end
+
+  def remove_added_quantity
+    article.update_quantity(quantity * -1)
+  end
+end