public Cart GetCartOfUser(Guid userId)
{
var cart = DomainRegistry.Repository <ICartRepository>().GetOfMember(userId);
if (cart == null)
{
cart = new Cart(Guid.NewGuid(), userId, DateTime.Now);
DomainRegistry.Repository <ICartRepository>().SaveAsync <Guid, Cart>(cart);
}
return(cart);
}
public Cart GetUserCart(string userId)
{
var cart = DomainRegistry.CartRepository().GetByUserId(userId);
if (cart == null)
{
cart = new Cart(DomainRegistry.CartRepository().NextIdentity(), userId, DateTime.Now);
DomainRegistry.CartRepository().Save(cart);
}
return(cart);
}
public CartItem UserBuyProduct(Guid userId, Guid productId, int quantity)
{
var user = DomainRegistry.UserService().GetUser(userId);
if (user == null)
{
throw new ApplicationException("未能获取用户信息！");
}
var product = DomainRegistry.ProductService().GetProduct(productId);
if (product == null)
{
throw new ApplicationException("未能获取产品信息！");
}
return(new CartItem(productId, quantity, product.SalePrice));
}
