class ProductsController < ApplicationController def new @product = Product.new end def create @product = Product.new(product_params) if @product.save redirect_to @product else render "new" end end def show @product = Product.find(params[:id]) end def index @products = Product.all end def edit @product = Product.find(params[:id]) end def update @product = Product.find(params[:id]) if @product.update_attributes(product_params) redirect_to @product else render 'edit' end end def destroy Product.find(params[:id]).destroy redirect_to products_path end private def product_params params.require(:product).permit(:name, :purchase_price, :sale_price, :img_path) end end