action.rb

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