gistfile1.builder

  def index
    @last_modified_post = Post.find(:first, :order => "updated_at DESC")
    
    expires_in 0, :public => true
    if @last_modified_post.nil? || stale?(  :etag => @last_modified_post, 
                                            :last_modified => @last_modified_post.updated_at.utc, 
                                            :public => true)
      logger.error("--\n\n--LAST MODIFIED  #{@last_modified_post.updated_at.utc}--\n\n--")
      logger.error("--\n\n--INVALID CACHE at #{Time.now.utc}--\n\n--")
      logger.error("--\n\n--STALE : #{stale?(:last_modified => @last_modified_post.updated_at.utc, :public => true)}--\n\n--")
      @posts = Post.find(:all)
    end
  end