add admin user depart records

app/models/product.rb

@@ -306,12 +306,12 @@ class Product < ActiveRecord::Base
 
             field :size_id, :enum do
                 enum do
-                    self.get_size_enum
+                    Product.get_size_enum
                 end
             end
             field :color_id, :enum do
                 enum do
-                    self.get_color_enum
+                    Product.get_color_enum
                 end
             end