class OrdersController < ApplicationController load_resource :user load_and_authorize_resource :order, through: :user, shallow: true def new products = (@user.products.for_sale.select("products.*", "sum(order_items.count) as count").group(:product_id).order("count desc") | Product.for_sale) products.each do |p| @order.order_items.build(product: p) end end def create if @order.save flash[:success] = "#{@order.to_sentence} ordered. Enjoy it!" redirect_to root_path else render 'new' end end def destroy @order.destroy flash[:success] = "Order has been removed." redirect_to root_path end def overview @users = User.members.publik.order(:name) end private def order_params params.require(:order).permit(order_items_attributes: [:count, :price, product_attributes: [:id]]) end end