Set site_id via application_controller

gistfile1.rb

class ApplicationController < ActionController::Base
   protect_from_forgery
 
   helper_method :current_site
 
   # before_filter :set_site
 
   # def set_site
   #   $site = Site.find_by_url(request.host)
   #   session[:site_id] = Site.find_by_url(request.host).id
   #   if current_site.nil?
   #     $site = Site.new
   #     current_site.title = "Dev'ing"
   #   end
   # end
 
   def current_site
     @_current_site ||= Site.find_by_url(request.host)
   end
 end