purchase.rb in bookkeeper-0.0.5

- old
+ new

@@ -1,12 +1,15 @@
 module Bookkeeper
   class Purchase < ActiveRecord::Base
     mount_uploader :receipt, ReceiptUploader
 
-    attr_accessible :description, :purchase_date, :title, :warranty_duration, :receipt
+    attr_accessible :description, :purchase_date, :title, :warranty_duration, :receipt, :invoice, :amount
 
+    has_many :categories, as: :categorizable
+
     validates_presence_of :title
     validates_numericality_of :warranty_duration, allow_nil: true
+    validates_numericality_of :amount, allow_nil: true
     validates_date :purchase_date, allow_nil: true, allow_blank: true
 
     default_scope order('created_at DESC')
   end
 end