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我的应用程序有用户和购物车。如何将用户链接到购物车?
Theres目前没有用户和购物车之间的链接。
目前,无论用户是否登录或不只有一个购物车可用的,当添加一个产品创建current_cart当车所支付(成功或失败)创建一个order_transaction 。如果成功,下一次将产品添加到购物车时将创建一个新购物车。
如何将购物车链接到用户,以便每个用户在添加产品时都为他们创建新购物车?
application_controller
def current_user
@current_user ||= User.find(session[:user_id]) if session[:user_id]
end
def current_cart
if session[:cart_id]
@current_cart ||= Cart.find(session[:cart_id])
session[:cart_id] = nil if @current_cart.purchased_at
end
if session[:cart_id].nil?
@current_cart = Cart.create!
session[:cart_id] = @current_cart.id
end
@current_cart
end
路线
get "log_in" => "sessions#new", :as => "log_in"
get "log_out" => "sessions#destroy", :as => "log_out"
get "sign_up" => "users#new", :as => "sign_up"
get "cart" => "carts#show", :as => "current_cart"
resources :orders
resources :line_items
resources :carts
resources :products
resources :order_transactions
resources :sessions
resources :users
line_items_controller
class LineItemsController < ApplicationController
def create
@product = Product.find(params[:product_id])
@line_item = LineItem.create!(:cart => current_cart, :product => @product, :quantity => 1, :unit_price => @product.price)
flash[:notice] = "Added #{@product.name} to cart."
redirect_to current_cart_url
end
end
感谢任何帮助,非常感谢!