private void btnCalculate_Click(object sender, RoutedEventArgs e)
{
if (ValidationManager.Validate(this.LayoutRoot))
{
RefundVM vm = this.DataContext as RefundVM;
refundFacade.Calculate(vm, (obj, args) =>
{
vm.SOCashPointRate = args.Result.SOCashPointRate;
vm.DeductPointFromAccount = args.Result.DeductPointFromAccount;
vm.DeductPointFromCurrentCash = args.Result.DeductPointFromCurrentCash;
vm.OrgPointAmt = args.Result.OrgPointAmt;
vm.PointAmt = args.Result.PointAmt;
vm.OrgCashAmt = args.Result.OrgCashAmt;
vm.CashAmt = args.Result.CashAmt;
vm.OrgGiftCardAmt = args.Result.OrgGiftCardAmt;
vm.GiftCardAmt = args.Result.GiftCardAmt;
vm.PriceprotectPoint = args.Result.PriceprotectPoint;
//刷新界面的初算退款金额
vm.RefundItems.ForEach(item =>
{
RefundItemInfo tmpInfo = args.Result.RefundItems.FirstOrDefault(x => x.RegisterSysNo == item.RegisterSysNo);
if (tmpInfo != null)
{
item.RefundCash = tmpInfo.RefundCash;
}
});
Window.Alert(ResRefundMaintain.Info_OperateSuccessfully);
});
}
}
public void UpdateItemForRefund(RefundItemInfo entity)
{
DataCommand command = DataCommandManager.GetDataCommand("UpdateRefundItemForRefund");
command.SetParameterValue <RefundItemInfo>(entity);
command.ExecuteNonQuery();
}
public RefundItemInfo InsertItem(RefundItemInfo entity)
{
DataCommand command = DataCommandManager.GetDataCommand("InsertRefundItem");
command.SetParameterValue <RefundItemInfo>(entity);
object result = command.ExecuteScalar();
entity.SysNo = Convert.ToInt32(result);
return(entity);
}
/// <summary>
/// 已发生的，退款单总的金额。
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public virtual RefundItemInfo GetRefundTotalAmount(RefundBalanceInfo entity)
{
RefundItemInfo result = null;
DataCommand command = DataCommandManager.GetDataCommand("GetRefundTotalAmount");
command.SetParameterValue("@ProductSysNo", entity.ProductSysNo);
command.SetParameterValue("@RefundSysNo", entity.OriginalRefundSysNo);
command.SetParameterValue("@SoSysNo", entity.OriginalSOSysNo);
result = command.ExecuteEntity <RefundItemInfo>();
return(result);
}
/// <summary>
/// 退款前的业务检查
/// </summary>
/// <param name="refundInfo"></param>
private void PreCheckForRefund(RefundBalanceInfo refundBalanceInfo, decimal totalRoBoBalanceAmt, decimal availShipPrice, out decimal ROAmt)
{
refundBalanceInfo.PointAmt = refundBalanceInfo.PointAmt.HasValue ? refundBalanceInfo.PointAmt.Value : 0;
refundBalanceInfo.GiftCardAmt = refundBalanceInfo.GiftCardAmt.HasValue ? refundBalanceInfo.GiftCardAmt.Value : 0M;
decimal point = refundBalanceInfo.PointAmt.Value;
ROAmt = refundBalanceInfo.CashAmt.Value + refundBalanceInfo.GiftCardAmt.Value + (point / pointExchangeRate);
if (refundBalanceInfo.ProductSysNo != 0) // 正常商品调整
{
RefundItemInfo refundItem = refundBalanceDA.GetRefundTotalAmount(refundBalanceInfo);
decimal tempRefunded = (refundItem.RefundPrice ?? 0M) + ROAmt + totalRoBoBalanceAmt;
decimal productValue = refundItem.ProductValue ?? 0;
if (productValue < tempRefunded)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "RefundTooMuch"));
}
if (tempRefunded < 0)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "NotGreaterThanRefundedAmt"));
}
}
else // 运费补偿及其他
{
if (availShipPrice < ROAmt)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "OverfullShipFee"));
}
//if (ROAmt < 0)
//{
// throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "NotGreaterThanRefundedAmt"));
//}
if (refundBalanceInfo.PointAmt > 0)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "CannotUsePointsForRefundShipFee"));
}
}
}
/// <summary>
/// 计算退现金、初算退礼品卡、退现金、退礼品卡
/// </summary>
/// <param name="entity"></param>
/// <param name="soBaseInfo"></param>
private void Calc(RefundBalanceInfo entity, SOBaseInfo soBaseInfo)
{
decimal availShipPrice, cashRemoveGiftCard, availGiftCard, totalRoBoBalanceAmt;
int availPointAmt;
CalculateAvailRefundAmt(entity, soBaseInfo, out availShipPrice, out cashRemoveGiftCard, out availGiftCard, out availPointAmt, out totalRoBoBalanceAmt);
soBaseInfo.GiftCardPay = soBaseInfo.GiftCardPay ?? 0M;
#region 根据可用退现金，修正调整单金额的现金、礼品卡、积分部分
if (entity.CashAmt > 0)
{
if (cashRemoveGiftCard >= entity.CashAmt)//有现金可作调整单
{
entity.GiftCardAmt = 0;
entity.PointAmt = 0;
}
else if (cashRemoveGiftCard == 0)//可退现金为0
{
if (availGiftCard > 0)
{
if (entity.CashAmt <= availGiftCard)//礼品卡可用
{
entity.GiftCardAmt = entity.CashAmt;
entity.PointAmt = 0;
}
else//退完礼品卡还有金额转为积分
{
entity.GiftCardAmt = availGiftCard;
entity.PointAmt = Convert.ToInt32(Decimal.Round((entity.CashAmt.Value - availGiftCard) * pointExchangeRate, 0));
if (entity.PointAmt > availPointAmt)
{
entity.PointAmt = availPointAmt;
}
if (availGiftCard == 0 && availPointAmt == 0)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "RefundTooMuch"));
}
if (availGiftCard == 0 && entity.CashAmt.Value < 0.1m)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "OnlyAdjustPoints"));
}
}
}
else
{
entity.PointAmt = Convert.ToInt32(Decimal.Round(entity.CashAmt.Value * pointExchangeRate, 0));
}
entity.CashAmt = 0;
}
else//有部分现金可退，剩余部分使用礼品卡
{
entity.GiftCardAmt = entity.CashAmt - cashRemoveGiftCard;
if (entity.GiftCardAmt > availGiftCard)
{
entity.PointAmt = Convert.ToInt32(Decimal.Round((entity.GiftCardAmt.Value - availGiftCard) * pointExchangeRate, 0));
if (entity.PointAmt > availPointAmt)
{
entity.PointAmt = availPointAmt;
}
entity.GiftCardAmt = availGiftCard;
}
else
{
entity.PointAmt = 0;
}
entity.CashAmt = cashRemoveGiftCard;
}
}
else
{
entity.GiftCardAmt = 0;
entity.PointAmt = 0;
}
#endregion 根据可用退现金，修正调整单金额的现金、礼品卡、积分部分
if (entity.ProductSysNo != 0) //商品调整
{
#region SOItem
RefundItemInfo refundItem = refundBalanceDA.GetRefundTotalAmount(entity);
decimal tempRefunded = (refundItem.RefundPrice ?? 0M) + entity.CashAmt.Value + totalRoBoBalanceAmt;
decimal productValue = refundItem.ProductValue ?? 0;
if (productValue < tempRefunded)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "RefundTooMuch"));
}
if (tempRefunded < 0)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "NotGreaterThanRefundedAmt"));
}
#region 现金、礼品卡、积分金额划分
decimal refundAmt = entity.CashAmt.Value + entity.GiftCardAmt.Value;
if (refundAmt > 0 && entity.PointAmt == 0)
{
#region 计算 现金与积分比率
decimal originalSOCashPointRate = 0; //不四舍五入的比率:现金部分与总额的比例
decimal pointOnly = 0; // 仅积分支付部分对应的价值
decimal cashOnly = 0; // 仅现金支付部分对应的价值
decimal totalPromotionDiscount = 0; //优惠券
List <SOItemInfo> soItems = ExternalDomainBroker.GetSOItemList(entity.OriginalSOSysNo.Value);
soItems.ForEach(item =>
{
if (item.PayType == ProductPayType.PointOnly)
{
pointOnly += item.Price.Value * item.Quantity.Value + item.PromotionAmount.Value;
}
else if (item.PayType == ProductPayType.MoneyOnly)
{
cashOnly += item.Price.Value * item.Quantity.Value + item.PromotionAmount.Value;
}
totalPromotionDiscount += item.PromotionAmount.Value * item.Quantity.Value;
});
//表示只有仅积分或仅现金部分，没有均支持
if ((soBaseInfo.SOAmount + soBaseInfo.PromotionAmount) - (totalPromotionDiscount + pointOnly + cashOnly) == 0M)
{ //仅现金
if (pointOnly == 0 && cashOnly > 0)
{
originalSOCashPointRate = 1;
}
else //仅积分
{
originalSOCashPointRate = 0;
}
}
else if (soBaseInfo.CashPay - cashOnly == 0)
{
originalSOCashPointRate = 1;
}
else if (soBaseInfo.PointPay - pointOnly == 0)
{
originalSOCashPointRate = 0;
}
else
{ //表示均支持的现金部分与均支持的总额的比例
originalSOCashPointRate = (soBaseInfo.CashPay + soBaseInfo.PromotionAmount.Value - cashOnly)
/ (soBaseInfo.SOAmount.Value + soBaseInfo.PromotionAmount.Value - (totalPromotionDiscount + pointOnly + cashOnly));
}
#endregion 计算 现金与积分比率
//根据单件退款额度，调整比率精度
int decimals = Decimal.Round(refundAmt, 0).ToString().Length + 2;
//实际计算精度
decimal SOCashPointRate = Decimal.Round(originalSOCashPointRate, decimals);
int refundPoint = Convert.ToInt32(Decimal.Round(refundAmt * (1 - SOCashPointRate) * pointExchangeRate, 0));
decimal refundCash = refundAmt - (Decimal.Round(refundAmt * (1 - SOCashPointRate), 2));
//积分补偿
decimal pointRedeem = -Decimal.Round((Decimal.Round(refundAmt * (1 - SOCashPointRate) * pointExchangeRate, 0)
- (refundAmt * (1 - SOCashPointRate) * pointExchangeRate)) / pointExchangeRate, 2);
refundCash += pointRedeem;
#region 分配现金、礼品卡
if (refundPoint < 0)
{
refundPoint = 0;
}
if (entity.CashAmt > 0)
{
if (entity.GiftCardAmt == 0)
{
entity.CashAmt = refundCash;
}
else
{
if (entity.CashAmt > refundCash)
{
entity.GiftCardAmt = entity.CashAmt - refundCash;
}
else
{
entity.GiftCardAmt = refundCash - entity.CashAmt;
}
}
}
else
{
entity.GiftCardAmt = refundCash;
}
entity.PointAmt = refundPoint;
if (entity.PointAmt > availPointAmt)
{
entity.PointAmt = availPointAmt;
}
#endregion 分配现金、礼品卡
#endregion 现金、礼品卡、积分金额划分
}
#endregion SOItem
}
else //运费补偿及其他
{
#region 运费补偿及其他
if (availShipPrice < entity.CashAmt.Value)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "OverfullShipFee"));
}
//if (entity.CashAmt.Value < 0)
//{
// throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "NotGreaterThanRefundedAmt"));
//}
if (entity.PointAmt > 0)
{
throw new BizException(ResouceManager.GetMessageString("RMA.RefundBalance", "CannotUsePointsForRefundShipFee"));
}
#endregion 运费补偿及其他
}
}
