gistfile1.rb

class Admin::WadusController < ApplicationController

  before_filter :require_admin
  layout "admin"
  inherit_resources
  respond_to :html

  back_section :contents

  protected

  def collection
    # Las funciones get_collection_ivar son de inherited_resources.
    # Lo que hace es, dependiendo del controlador:
    # @pages ||= end_of_association_chain....
    # ó @html_items ||= end_of_association_chain....
    get_collection_ivar || set_collection_ivar(end_of_association_chain.paginate(:page => params[:page], :per_page => 20, :order => 'created_at DESC'))
  end

end