public Enums.PayErrorMsg CheckParamsValid(GenerateOrderDto dto)
{
var errorMsg = Enums.PayErrorMsg.失败;
if (dto.UserId <= 0 || dto.TotalFee < 0 || dto.Payment < 0 || dto.UserCouponId < 0 || dto.PostFee < 0)
{
return(Enums.PayErrorMsg.参数错误);
}
using (var cxt = DbContext(DbOperation.Read))
{
var repo = new OrderRepo(cxt);
var result = repo.CheckParamsValid(dto);
EnumHelper.TryParsebyValue(result, out errorMsg);
return(errorMsg);
}
}
public ComplexResponse <object> GenerateOrder([FromBody] GenerateOrderDto dto)
{
try
{
var msg = Enums.PayErrorMsg.失败;
var tradeNo = _orderService.GenerateOrder(dto, out msg);
if (!string.IsNullOrEmpty(tradeNo))
{
msg = Enums.PayErrorMsg.成功;
}
LogHelper.Info("\n\n生成订单号：" + tradeNo);
return(new ComplexResponse <object>((int)msg, data: new { tradeNo }));
}
catch (Exception ex)
{
LogHelper.Debug("\n\n生成订单异常：\n", ex);
return(new ComplexResponse <object>((int)Enums.PayErrorMsg.失败, ex.ToString()));
}
}
public static Order ToOrder(this GenerateOrderDto dto)
{
return(dto != null?Mapper.Map <GenerateOrderDto, Order>(dto) : null);
}
public string GenerateOrder(GenerateOrderDto dto, out Enums.PayErrorMsg msg)
{
string tradeNo = string.Empty;
msg = CheckParamsValid(dto);
if (msg == Enums.PayErrorMsg.成功)
{
using (var cxt = DbContext(DbOperation.Write))
{
cxt.BeginTransaction();
var repo = new OrderRepo(cxt);
var id = repo.Insert(new Order
{
TotalFee = dto.TotalFee,
Payment = dto.Payment,
PayType = (int)Enums.PayType.微信支付,
UserCouponId = dto.UserCouponId,
PostFee = dto.PostFee,
UserId = dto.UserId,
UserNickname = dto.UserNickname,
IsDeleted = 0,
Sort = 0,
Status = (int)Enums.OrderStatus.未付款,
Creator = "admin",
PayTime = DateTime.Now,
DeliveryTime = DateTime.Now,
EndTime = DateTime.Now,
CloseTime = DateTime.Now,
CreateTime = DateTime.Now,
UpdateTime = DateTime.Now,
ShippingName = dto.ShippingName,
UserMessage = dto.UserMessage,
IsRate = string.IsNullOrEmpty(dto.UserMessage) ? 0 : 1,
});
if (id > 0)
{
tradeNo = repo.GetTradeNo(id);
// 生成订单明细表
if (dto.OrderItemDtos.Any())
{
foreach (var orderItem in dto.OrderItemDtos)
{
orderItem.OrderId = (int)id;
if (repo.InsertOrderItem(orderItem) != 1)
{
cxt.Rollback();
}
}
}
// 生成订单配送表
int result = repo.InsertOrderShipping(new OrderShipping
{
OrderId = (int)id,
Name = dto.Receiver,
Mobile = dto.Mobile,
Province = dto.Province,
City = dto.City,
District = dto.District,
Address = dto.Address,
PostCode = dto.PostCode,
CreateTime = DateTime.Now,
UpdateTime = DateTime.Now,
Status = 1,
});
if (result == 1)
{
var flag = true;
#region 冻结用户优惠券
if (dto.UserCouponId > 0)
{
flag = repo.UpdateUserCoupon(dto.UserCouponId);
}
#endregion
#region 除购物车
if (!string.IsNullOrEmpty(dto.CartIds))
{
var cartIdArr = dto.CartIds.Split(',').Select(int.Parse).ToArray();
flag = repo.DeleteShoppingCart(cartIdArr);
}
#endregion
if (flag)
{
cxt.Commit();
}
else
{
cxt.Rollback();
}
#region 更新产品库存量（非必实现项）
try
{
var productRepo = new ProductRepo(cxt);
foreach (var orderItem in dto.OrderItemDtos)
{
productRepo.AddAmount(orderItem.ProductId, -orderItem.Num);
}
}
catch (Exception)
{
// do nothing
}
#endregion
}
else
{
cxt.Rollback();
}
}
else
{
cxt.Rollback();
}
}
}
return(tradeNo);
}
