/// <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 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();
}