Modifications for menu in Design

app/controllers/admin/items_controller.rb

@@ -12,7 +12,7 @@ class Admin::ItemsController < ApplicationController
     if params[:item_id]
       @item = Item.find(params[:item_id])
     else
-      @item = Item.first(:conditions => {:parent_id => nil})
+      @item = get_homepage
     end
   end
 

app/controllers/application_controller.rb

@@ -73,5 +73,9 @@ class ApplicationController < ActionController::Base
       ''
     end
   end
+  
+  def get_homepage
+    Item.first(:conditions => {:parent_id => nil})
+  end
 
 end

app/models/design/design_file.rb

@@ -1,5 +1,6 @@
 class DesignFile
   include Mongoid::Document
+  include Mongoid::Timestamps
 
   mount_uploader :file, AssetUploader
   

app/models/design/layout.rb

@@ -1,5 +1,6 @@
 class Layout < DesignFile
   include Parser
+  embeds_one :menu
   embedded_in :design
 
   attr_reader :content

app/models/design/menu.rb

@@ -0,0 +1,10 @@
+class Menu
+  include Mongoid::Document
+  include Mongoid::Timestamps
+
+  field :levels, :type => Integer
+  field :values, :type => Hash
+
+  embedded_in :layout
+
+end