toggle_session.rb

  before_filter :toggle_session

  def toggle_session    
    # Disable the session if we spy a bot (or it was
    # disabled elsewhere), enable otherwise.
    if @disable_session.nil?
      @disable_session = UrbanspoonUtil.is_megatron?(request.user_agent)
    end
    OptionalSessionStore.disabled = @disable_session
  end