public async Task AddProductAsync(string customerId, long productId, int quantity)
{
await _unitOfWork.RunInTrunsaction(async() =>
{
var product = await _productRepository.Get(productId);
var cart = await _shoppingCartRepository.GetByCustomerId(customerId, includeItems: true);
if (cart == null)
{
cart = new ShoppingCart(customerId);
await _shoppingCartRepository.Add(cart);
var item = new ShoppingCartItem(cart.Id, product.Id, product.Cost, quantity);
await _shoppingCartItemRepository.Add(item);
return;
}
cart.LatestUpdatedOn = DateTimeOffset.UtcNow;
await _shoppingCartRepository.Update(cart);
var cartItem = cart.ShoppingCartItems.FirstOrDefault(x => x.ProductId == product.Id);
if (cartItem == null)
{
var item = new ShoppingCartItem(cart.Id, product.Id, product.Cost, quantity);
await _shoppingCartItemRepository.Add(item);
}
else
{
cartItem.Quantity += quantity;
await _shoppingCartItemRepository.Update(cartItem);
}
}, System.Data.IsolationLevel.Serializable);
}
/// <summary>
/// 将指定的商品添加到指定客户的购物篮里。
/// </summary>
/// <param name="customerID">用于指代特定客户对象的全局唯一标识。</param>
/// <param name="productID">用于指代特定商品对象的全局唯一标识。</param>
public void AddProductToCart(Guid customerID, Guid productID, int quantity)
{
var user = userRepository.GetByKey(customerID);
var shoppingCart = shoppingCartRepository.FindShoppingCartByUser(user);
if (shoppingCart == null)
{
throw new DomainException("Shopping cart doesn't exist for customer {0}.", customerID);
}
var product = productRepository.GetByKey(productID);
var shoppingCartItem = shoppingCartItemRepository.FindItem(shoppingCart, product);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem(product, shoppingCart, quantity);
shoppingCartItemRepository.Add(shoppingCartItem);
}
else
{
shoppingCartItem.UpdateQuantity(shoppingCartItem.Quantity + quantity);
shoppingCartItemRepository.Update(shoppingCartItem);
}
Context.Commit();
}
public void AddProductToCart(Guid customerId, Guid productId, int quantity)
{
var user = _userRepository.GetByKey(customerId);
var shoppingCart = _shoppingCartRepository.GetBySpecification(new ExpressionSpecification <ShoppingCart>(s => s.User.Id == user.Id));
if (shoppingCart == null)
{
throw new DomainException("用户{0}不存在购物车.", customerId);
}
var product = _productRepository.GetByKey(productId);
var shoppingCartItem = _shoppingCartItemRepository.FindItem(shoppingCart, product);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem()
{
Product = product,
ShoopingCart = shoppingCart,
Quantity = quantity
};
_shoppingCartItemRepository.Add(shoppingCartItem);
}
else
{
shoppingCartItem.UpdateQuantity(shoppingCartItem.Quantity + quantity);
_shoppingCartItemRepository.Update(shoppingCartItem);
}
RepositorytContext.Commit();
}
public ShoppingCart AddItemToCart(int productId, int quantity, int userId)
{
if (quantity < 1)
{
throw new Exception("Quantity cannot be less than one");
}
ShoppingCart cart = GetActiveCart(userId);
if (cart == null)
{
cart = new ShoppingCart()
{
CreateDate = DateTime.Now,
UserId = userId,
Status = ShoppingCartStatus.Active
};
shoppingCartRepository.Add(cart);
}
Product product = this.inventoryRepository.Get(productId);
if (product == null)
{
throw new Exception($"A product with id {productId} was not found");
}
if (cart.Items != null && cart.Items.Any(x => x.ProductId == productId))
{
var item = cart.Items.First(x => x.ProductId == productId);
item.Quantity += quantity;
shoppingCartItemRepository.Update(item);
}
else
{
shoppingCartItemRepository.Add(new ShoppingCartItem()
{
Price = product.ContractPrice,
Description = product.Description,
ProductId = product.Id,
Quantity = quantity,
ShoppingCartId = cart.Id
});
}
cart.Items = shoppingCartItemRepository.Fetch(cart.Id);
return(cart);
}
public void AddToCart(string customerUsername, ShoppingCartItem entity)
{
var product = _productRepository.GetById(entity.ProductId);
product.StockQuantity -= entity.Quantity;
_productRepository.Update(product);
var shoppingCartItem = _shoppingCartItemRepository.GetEx(s => s.CustomerUserName == customerUsername && s.ProductId == entity.ProductId).FirstOrDefault();
if (shoppingCartItem == null)
{
_shoppingCartItemRepository.Insert(entity);
}
else
{
_shoppingCartItemRepository.Update(entity);
}
}
public void AddProductToCart(Guid customerId, Guid productId, int quantity)
{
var user = _userRepository.GetByKey(customerId);
//备注：源代码此处 可以加载到shoppingCart.User的值，而这里不能，为什么？(已解决，仓储上下文必须单例）
var shoppingCart = _shoppingCartRepository.GetBySpecification(new ExpressionSpecification <ShoppingCart>(s => s.User.Id == user.Id));
/*调试代码*/
//var shoppingCart1 = _shoppingCartRepository.GetBySpecification(new ExpressionSpecification<ShoppingCart>(s => s.User.Id == user.Id),s=>s.User);
//var userInfo = shoppingCart.User; /*User 非vitrual 不支持延时加载*/
/*以上*/
if (shoppingCart == null)
{
throw new DomainException("用户{0}不存在购物车", customerId);
}
var product = _productRepository.GetByKey(productId);
var shoppingCartItem = _shoppingCartItemRepository.FindItem(shoppingCart, product);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem()
{
Product = product,
ShoopingCart = shoppingCart,
Quantity = quantity
};
_shoppingCartItemRepository.Add(shoppingCartItem);
}
else
{
shoppingCartItem.UpdateQuantity(shoppingCartItem.Quantity + quantity);
_shoppingCartItemRepository.Update(shoppingCartItem);
}
RepositoryContext.Commit();
}
public ShoppingCartItem Update(ShoppingCartItem shoppingCartItem)
{
_shoppingCartItemRepository.Update(shoppingCartItem);
return(shoppingCartItem);
}
public void EditShoppingCartItem(ShoppingCartItem shoppingCartItem)
{
_shoppingCartItemRepository.Update(shoppingCartItem);
}
