X-Git-Url: https://irasnyder.com/gitweb/?a=blobdiff_plain;f=app%2Fmodels%2Fpurchase.rb;h=26cf518a7458ff2019fbfe3cdbf1075c487d2594;hb=53634274872ef0ba36cbf94e23df4443ea5613d5;hp=023f423a730ee39a377f17511ac0b9cce19f3cf2;hpb=97d39268c0b348898dca1ec24552eb26a94ae546;p=cs356-p2-videostore.git

diff --git a/app/models/purchase.rb b/app/models/purchase.rb
index 023f423..26cf518 100644
--- a/app/models/purchase.rb
+++ b/app/models/purchase.rb
@@ -1,4 +1,23 @@
 class Purchase < ActiveRecord::Base
   belongs_to :customer
-  belongs_to :purchaseable, :polymorphic => true
+
+  validates_presence_of :customer_id
+  validates_presence_of :date
+  validates_presence_of :price
+  validates_numericality_of :price
+
+  def title
+    if type == MerchandisePurchase
+      return merchandise.title
+    else
+      return rentable.title
+    end
+  end
+
+  protected
+  def validate
+    errors.add(:price, "cannot be negative") if price < 0
+    errors.add(:price, "cannot be less than $0.01") if price < 0.01
+    errors.add(:customer_id, "does not exist in the database") if customer.nil?
+  end
 end