someAction.rb

def toggle_quiz
    if @quiz.update_attributes(active: params[:active])
      respond_to do |format|
        @ajax_status_text = if @quiz.active
                         "Successfully activated quiz"
                       else
                         "Successfully deactivated quiz."
                       end
        @flash_status = if @quiz.active
                          "success"
                        else
                          "warning"
                        end
        format.js
      end
    else
      @ajax_status_text "Request Failed"
      @flash_status = "error"
      format.js
    end
  end