Finished chapter 9

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

diff --git a/app/models/cart.rb b/app/models/cart.rb
index 88061d380470188dcf6991dcd5e0cdb3f966799d..bd51c383311d6a0a008208a3908955e330be963a 100644 (file)
--- a/app/models/cart.rb
+++ b/app/models/cart.rb
@@ -20,4 +20,8 @@ class Cart
     @items.sum {|item| item.price}
   end
   
+  def total_items
+    @items.sum {|item| item.quantity}
+  end
+  
 end