Finished chapter 6

[depot.git] / app / models / product.rb

diff --git a/app/models/product.rb b/app/models/product.rb
index 077a8197956de5d49c2de53c2b9aefd6e8477ff8..05ac26e38d4bc58dc371a9f3c5c649cab0bdebea 100644 (file)
--- a/app/models/product.rb
+++ b/app/models/product.rb
@@ -1,2 +1,14 @@
 class Product < ActiveRecord::Base
+  validates_presence_of :title, :description, :image_url
+  validates_numericality_of :price
+  validate :price_must_be_at_least_a_penny
+  validates_uniqueness_of :title
+  validates_format_of :image_url,
+                      :with    => %r{\.(gif|jpg|png)$}i,
+                      :message => 'must be a URL for a GIF, JPG, or PNG image.'
+  
+protected
+  def price_must_be_at_least_a_penny
+    errors.add(:price, 'should be at least 0.01') if price.nil? || price < 0.01
+  end
 end