added completed_at field to Order

app/models/order.rb

@@ -3,4 +3,6 @@ class Order < ActiveRecord::Base
   belongs_to :member
 
   has_and_belongs_to_many :products
+
+  default_scope order('created_at DESC')
 end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130507113915) do
+ActiveRecord::Schema.define(:version => 20130508050711) do
 
   create_table "authentications", :force => true do |t|
     t.integer  "member_id",  :null => false
@@ -121,9 +121,10 @@ ActiveRecord::Schema.define(:version => 20130507113915) do
   end
 
   create_table "orders", :force => true do |t|
-    t.string   "member_id",  :null => false
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
+    t.string   "member_id",    :null => false
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.datetime "completed_at"
   end
 
   create_table "orders_products", :id => false, :force => true do |t|

spec/models/order_spec.rb

@@ -11,4 +11,9 @@ describe Order do
     @order.products.first.should eq @product
   end
 
+  it 'sorts by created_at DESC' do
+    @order2 = FactoryGirl.create(:order)
+    Order.all.should eq [@order2, @order]
+  end
+
 end