【Ruby】便利なやつだよ〜before_action編〜 - Qiita

class ItemsController < ApplicationController def index @items = Item.order('created_at DESC') end def new @item = Item.new end def create @item = Item.new(item_params) if @item.save redirect_to root_path else render :new end end def show @item = Item.find(params[:id]) end def edit @item = Item.find(params[:id]) redirect_to root_path unless current_user.id == @item.user_id end def update @item = I