Initial commit of foodsoft 2

app/models/order_article.rb

@@ -0,0 +1,29 @@
+# An OrderArticle represents a single Article that is part of an Order.
+# 
+# Properties:
+# * order_id (int): association to the Order
+# * article_id (int): association to the Article
+# * quantity (int): number of items ordered by all OrderGroups for this order
+# * tolerance (int): number of items ordered as tolerance by all OrderGroups for this order
+# * units_to_order (int): number of packaging units to be ordered according to the order quantity/tolerance
+#
+class OrderArticle < ActiveRecord::Base
+  
+  # gettext-option
+  untranslate_all
+  
+  belongs_to :order
+  belongs_to :article
+  has_many :group_order_articles, :dependent => :destroy
+
+  validates_presence_of :order_id
+  validates_presence_of :article_id
+  validates_uniqueness_of :article_id, :scope => :order_id   #  an article can only have one record per order
+
+  private
+  
+    def validate
+       errors.add(:article, "muss angegeben sein und einen aktuellen Preis haben") if !(article = Article.find(article_id)) || article.gross_price.nil?
+    end
+    
+end