Last part of order refactoring. Now order_article create/update is possible.

app/models/article_price.rb

@@ -16,6 +16,21 @@ class ArticlePrice < ActiveRecord::Base
 
   belongs_to :article
   has_many :order_articles
+  
+  # Custom attribute setter that accepts decimal numbers using localized decimal separator.
+  def price=(price)
+    self[:price] = String.delocalized_decimal(price)
+  end
+
+  # Custom attribute setter that accepts decimal numbers using localized decimal separator.
+  def tax=(tax)
+    self[:tax] = String.delocalized_decimal(tax)
+  end
+
+  # Custom attribute setter that accepts decimal numbers using localized decimal separator.
+  def deposit=(deposit)
+    self[:deposit] = String.delocalized_decimal(deposit)
+  end
 
   # The financial gross, net plus tax and deposit.
   def gross_price