The Road goes ever on and on

class ListsController < ApplicationController
  before_filter :authenticate, :except => :public
 
  caches_page :public
 
  caches_action :index, :if => proc do
    !request.format.json?  # cache if is not a JSON request
  end
 
  caches_action :show, :cache_path => { :project => 1 },
    :expires_in => 1.hour, :layout => false
 
  caches_action :feed, :cache_path => proc do
    if params[:user_id]
      user_list_url(params[:user_id, params[:id])
    else
      list_url(params[:id])
    end
  end
end