public void AddOrderTrace(string orderNO, Guid userId)
{
var user = DbSession.Users.GetSingle(u => u.ID == userId);
if (user == null)
{
throw new Exception("当前用户不存在");
}
var order = DbSession.Orders.All.Where(o => (o.State != OrderState.Cancel && o.State != OrderState.Completed) && o.NO.Equals(orderNO)).FirstOrDefault();
if (order == null)
{
throw new Exception("不存在该订单，订单可能被取消或订单已完成交易");
}
var trace = new OderTrace
{
ID = Guid.NewGuid(),
OrderID = order.ID,
SubmittedBy = user,
SubmittedUserID = user.ID,
SubmitTime = DateTime.Now,
TraceOf = order,
Description = user.TraceInfo == null ? "无到站信息" : user.TraceInfo.Info
};
order.Traces.Add(trace);
DbSession.SaveChanges();
}
public Entities.Order SubmitOrder(Guid userId, Entities.Order order)
{
var user = DbSession.Users.GetSingle(u => u.ID == userId);
if (user == null)
{
throw new Exception("当前用户不存在");
}
// 计算运费
decimal freight = 10;
decimal books_total = 0;
foreach (var item in order.OrderItems)
{
var book = DbSession.Books.GetSingle(b => b.ID == item.BookID);
books_total += book.SellingPrice.GetValueOrDefault() * (decimal)item.Quantity;
}
if (books_total >= 78)
{
freight = 0;
}
// 处理订单地址
ReceiptInfo receipt = DbSession.ReceiptInfos.GetSingle(r => r.ID == order.Receipt.ID);
if (receipt == null)
{
receipt = new ReceiptInfo
{
ID = Guid.NewGuid(),
Address = order.Receipt.Address,
ReceiptName = order.Receipt.ReceiptName,
Phone = order.Receipt.Phone,
Email = order.Receipt.Email
};
user.Receipts.Add(receipt);
}
// 生成订单主体
var newOrder = new Order
{
ID = Guid.NewGuid(),
NO = DateTime.Now.ToString("yyyyMMddHHmm") + new Random().Next(0, 100),
Freight = freight,
OrderPrice = books_total + freight,
SubmitDate = DateTime.Now,
State = OrderState.Submitted,
ReceiptID = receipt.ID,
UserID = user.ID,
ShipDate = null,
IsAudited = false,
AuditDate = null,
AuditUserID = null
};
DbSession.Orders.Add(newOrder, false);
// 生成订单明细
newOrder = user.Orders.FirstOrDefault(o => o.ID == newOrder.ID);
foreach (var item in order.OrderItems)
{
var book = DbSession.Books.GetSingle(b => b.ID == item.BookID);
var newItem = new OrderItem
{
BookID = book.ID,
Quantity = item.Quantity,
UnitPrice = book.SellingPrice.GetValueOrDefault()
};
newOrder.OrderItems.Add(newItem);
}
// 生成订单跟踪
OderTrace trace = new OderTrace
{
ID = Guid.NewGuid(),
Description = "客户" + user.Name + "提交了订单",
SubmittedUserID = user.ID,
SubmitTime = DateTime.Now
};
newOrder.Traces.Add(trace);
// 删除购物车商品
foreach (var item in order.OrderItems)
{
var cartItem = user.ShoppingCart.CartItems.FirstOrDefault(i => i.BookID == item.BookID);
if (cartItem == null)
{
continue;
}
DbSession.CartItems.Delete(cartItem, false);
}
DbSession.SaveChanges();
return(newOrder);
}
