public ShoppingCartDto GetShoppingCart(Guid customerId)
{
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 shoppingCartItems =
_shoppingCartItemRepository.GetAll(
new ExpressionSpecification <ShoppingCartItem>(s => s.ShoopingCart.Id == shoppingCart.Id), elp => elp.Product);
var shoppingCartDto = Mapper.Map <ShoppingCart, ShoppingCartDto>(shoppingCart);
shoppingCartDto.Items = new List <ShoppingCartItemDto>();
if (shoppingCartItems != null && shoppingCartItems.Any())
{
shoppingCartItems
.ToList()
.ForEach(s => shoppingCartDto.Items.Add(Mapper.Map <ShoppingCartItem, ShoppingCartItemDto>(s)));
shoppingCartDto.Subtotal = shoppingCartDto.Items.Sum(p => p.ItemAmount);
}
return(shoppingCartDto);
}
/// <summary>
/// 创建订单，涉及到的操作有2个：1. 把购物车中的项中购物车移除； 2.创建一个订单。
/// 这两个操作必须同时完成或失败。
/// </summary>
/// <param name="user"></param>
/// <param name="shoppingCart"></param>
/// <returns></returns>
public Order CreateOrder(User user, ShoppingCart shoppingCart)
{
var order = new Order();
var shoppingCartItems =
_shoppingCartItemRepository.GetAll(
new ExpressionSpecification <ShoppingCartItem>(s => s.ShoopingCart.Id == shoppingCart.Id));
if (shoppingCartItems == null || !shoppingCartItems.Any())
{
throw new InvalidOperationException("购物篮中没有任何物品");
}
order.OrderItems = new List <OrderItem>();
foreach (var shoppingCartItem in shoppingCartItems)
{
var orderItem = shoppingCartItem.ConvertToOrderItem();
orderItem.Order = order;
order.OrderItems.Add(orderItem);
_shoppingCartItemRepository.Remove(shoppingCartItem);
}
order.User = user;
order.Status = OrderStatus.Paid;
_orderRepository.Add(order);
_repositoryContext.Commit();
return(order);
}
public IList <ShoppingCartItem> GetCartItems(string cartId)
{
return(_shoppingCartItemRepository
.GetAll()
.Where(i => i.ShoppingCartId == cartId)
.ToList() ?? throw new KeyNotFoundException(cartId));
}
public List <ShoppingCartItem> Execute(string cartId)
{
return(_shoppingCartItemRepository
.GetAll()
.Where(i => i.ShoppingCartId == cartId).ToList());
}
public List <ShoppingCartItem> GetAll()
{
return(_shoppingCartItemRepository.GetAll().ToList());
}
public IEnumerable <ShoppingCartItem> GetAll()
{
return(_shoppingCartItemRepository.GetAll());
}