class MessagesController < ApplicationController def create @discussion = Discussion.find(params[:discussion_id]) redirect_to root_url, :notice => t("views.discussions.can_not_participate") unless @discussion.can_participate?(current_user) @message = Message.new(params[:message]) @message.user = current_user @message.discussion = @discussion @message.save respond_to do |format| format.html { redirect_to @message.discussion } format.js end end end