/// <summary>
/// 通过指定的用户及其所拥有的购物篮实体，创建销售订单。
/// </summary>
/// <param name="user">用户实体。</param>
/// <param name="shoppingCart">购物篮实体。</param>
/// <returns>销售订单实体。</returns>
public SalesOrder CreateSalesOrder(User user, ShoppingCart shoppingCart)
{
var shoppingCartItems = shoppingCartItemRepository.FindItemsByCart(shoppingCart);
if (shoppingCartItems == null ||
shoppingCartItems.Count() == 0)
{
throw new InvalidOperationException("购物篮中没有任何物品。");
}
var salesOrder = new SalesOrder();
salesOrder.SalesLines = new List <SalesLine>();
foreach (var shoppingCartItem in shoppingCartItems)
{
var salesLine = shoppingCartItem.ConvertToSalesLine();
salesLine.SalesOrder = salesOrder;
salesOrder.SalesLines.Add(salesLine);
shoppingCartItemRepository.Remove(shoppingCartItem);
}
salesOrder.User = user;
salesOrder.Status = SalesOrderStatus.Paid;
salesOrderRepository.Add(salesOrder);
repositoryContext.Commit();
return(salesOrder);
}
/// <summary>
/// 将具有指定的全局唯一标识的购物篮项目从购物篮中删除。
/// </summary>
/// <param name="shoppingCartItemID">需要删除的购物篮项目的全局唯一标识。</param>
public void DeleteShoppingCartItem(Guid shoppingCartItemID)
{
var shoppingCartItem = shoppingCartItemRepository.GetByKey(shoppingCartItemID);
shoppingCartItemRepository.Remove(shoppingCartItem);
Context.Commit();
}
/// <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 void DeleteShoppingCartItem(Guid shoppingCartItemId)
{
var shoppingCartItem = _shoppingCartItemRepository.GetByKey(shoppingCartItemId);
_shoppingCartItemRepository.Remove(shoppingCartItem);
RepositorytContext.Commit();
}
public void Execute(int shopItemId, string cartId)
{
if (cartId is null)
{
throw new ArgumentNullException(nameof(cartId));
}
_shoppingCartItemRepository.Remove(new ShoppingCartItem()
{
ShopItemId = shopItemId,
ShoppingCartId = cartId
});
}
public void Remove(Int64 id)
{
_shoppingCartItemRepository.Remove(id);
}