public Result Buy(Guid userId, Guid productId, int quantity)
{
var cartItem = _userBuyProductDomainService.UserBuyProduct(userId, productId, quantity);
var cart = _getUserCartDomainService.GetUserCart(userId);
cart.AddCartItem(cartItem);
DomainRegistry.CartRepository().Save(cart);
return(Result.Success());
}
public Result DeleteCartItem(string userId, string id)
{
var cart = _confirmUserCartExistedDomainService.GetUserCart(userId);
if (cart.IsEmpty())
{
return(Result.Fail("当前购物车中并没有商品"));
}
cart.RemoveCartItem(id);
DomainRegistry.CartRepository().Save(cart);
return(Result.Success());
}
public Result Buy(string userId, string productId, int quantity)
{
var product = DomainRegistry.ProductService().GetProduct(productId);
if (product == null)
{
return(Result.Fail("对不起，未能获取产品信息请重试~"));
}
var cart = _confirmUserCartExistedDomainService.GetUserCart(userId);
cart.AddCartItem(productId, quantity, product.SalePrice);
DomainRegistry.CartRepository().Save(cart);
return(Result.Success());
}
public Result ChangeMultiProductsPromotion(string userId, string productId, string selectedMultiProductsPromotionId)
{
var cart = _confirmUserCartExistedDomainService.GetUserCart(userId);
if (cart.IsEmpty())
{
return(Result.Fail("当前购物车中并没有商品"));
}
var cartItem = cart.GetCartItem(productId);
if (cartItem == null)
{
return(Result.Fail("该购物项已不存在"));
}
cartItem.ChangeMultiProductsPromotion(selectedMultiProductsPromotionId);
DomainRegistry.CartRepository().Save(cart);
return(Result.Success());
}
public Result ChangeQuantity(string userId, string id, int quantity)
{
var cart = _confirmUserCartExistedDomainService.GetUserCart(userId);
if (cart.IsEmpty())
{
return(Result.Fail("当前购物车中并没有商品"));
}
var cartItem = cart.GetCartItem(id);
if (cartItem == null)
{
return(Result.Fail("该购物项已不存在"));
}
cartItem.ModifyQuantity(quantity);
DomainRegistry.CartRepository().Save(cart);
return(Result.Success());
}