/// <summary>
/// 作废定金
/// <para>作 者::Huang GaoLiang </para>
/// <para>创建时间:2018-10-30 </para>
/// </summary>
/// <param name="orderId">订金编号</param>
/// <param name="cancelUserId">作废人操作编号</param>
/// <param name="cancelUserName">作废人名称</param>
/// <param name="cancelRemark">作废原因</param>
/// <exception cref="BussinessException">
/// 异常ID：5,数据异常
/// 异常ID：8,余额不足，不能作废
/// </exception>
public override Task Cancel(long orderId, string cancelUserId, string cancelUserName, string cancelRemark)
{
lock (LocalThreadLock.GetLockKeyName(LockKeyNames.LOCK_DEPOSITORDERCANCEL, this._schoolId, orderId.ToString()))
{
// 根据订金编号查询订金信息
TblOdrDepositOrder odrDepositOrder = _odrDepositOrderRepository.Value.GetOdrDepositOrder(orderId);
if (odrDepositOrder == null)
{
throw new BussinessException((byte)ModelType.Cash, 5);
}
// 1、数据校验
OdrDepositOrderCancelVerification(odrDepositOrder);
// 2、准备数据
odrDepositOrder.OrderStatus = (int)OrderStatus.Cancel;
odrDepositOrder.CancelDate = DateTime.Now;
odrDepositOrder.CancelUserId = cancelUserId;
odrDepositOrder.CancelUserName = cancelUserName;
odrDepositOrder.CancelRemark = cancelRemark;
// 3、作废之后，余额扣除掉相应的金额
bool isWalletSufficient = WalletService.IsWalletSufficient(_schoolId, odrDepositOrder.StudentId, odrDepositOrder.Amount);
if (!isWalletSufficient)
{
throw new BussinessException((byte)ModelType.Cash, 8);
}
DepositOrderTrade orderTrade = new DepositOrderTrade(odrDepositOrder);
using (UnitOfWork unitOfWork = new UnitOfWork())
{
try
{
unitOfWork.BeginTransaction();
// 1、资金交易
TradeService tradeService = new TradeService(orderTrade, unitOfWork);
tradeService.Invalid();
// 2、订金
unitOfWork.GetCustomRepository <TblOdrDepositOrderRepository, TblOdrDepositOrder>().UpdateTask(odrDepositOrder).Wait();
// 3、收款交接
new OrderHandoverService(_schoolId).DeleteHandleOver(orderId, OrderTradeType.DepositOrder, unitOfWork);
unitOfWork.CommitTransaction();
}
catch (Exception ex)
{
unitOfWork.RollbackTransaction();
throw ex;
}
}
}
return(Task.CompletedTask);
}
/// <summary>
/// 检查学生余额是否足够
/// </summary>
/// <param name="schoolId">校区ID</param>
/// <param name="studentId">学生ID</param>
/// <param name="useBalanceAmount">将要使用的余额金额</param>
/// <returns>true 足够 false 不足</returns>
internal static bool IsWalletSufficient(string schoolId, long studentId, decimal useBalanceAmount)
{
if (useBalanceAmount <= 0)
{
return(true);
}
WalletService service = new WalletService(schoolId, studentId);
return(service.IsWalletSufficient(useBalanceAmount));
}