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退款

This commit is contained in:
wangw 2025-03-05 10:33:55 +08:00
parent fc1510079a
commit 69cb3c60c6
1 changed files with 9 additions and 45 deletions
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54
cash-service/order-service/src/main/java/com/czg/service/order/service/impl/PayServiceImpl.java
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@ -483,10 +483,6 @@ public class PayServiceImpl implements PayService {
@Transactional
public CzgResult<Object> refundOrderBefore(OrderInfoRefundDTO param) {
OrderInfo orderInfo = orderInfoService.getById(param.getOrderId());
//退款总额
BigDecimal refundAmountTotal = BigDecimal.ZERO;
//退优惠券数量 <商品id，数量>
Map<Long, Integer> returnCouponMap = new HashMap<>();
Map<Long, BigDecimal> returnProMap = new HashMap<>();
boolean isPay = true;
String refPayOrderNo = "REFO" + IdUtil.getSnowflakeNextId();
@ -494,51 +490,32 @@ public class PayServiceImpl implements PayService {
isPay = false;
refPayOrderNo = "";
}
if (isPay) {
orderInfo.setRefundAmount(orderInfo.getRefundAmount().add(param.getRefundAmount()));
if (orderInfo.getRefundAmount().compareTo(orderInfo.getPayAmount()) < 0) {
throw new ValidateException("退单失败，可退金额不足");
}
}
if (CollUtil.isNotEmpty(param.getRefundDetails())) {
for (OrderDetail refundDetail : param.getRefundDetails()) {
AssertUtil.isNull(refundDetail.getNum(), "退单数量不能为空");
//退款金额
BigDecimal refundAmount = BigDecimal.ZERO;
//退款数量
BigDecimal refNum;
BigDecimal refNum = refundDetail.getNum();
OrderDetail orderDetail = orderDetailService.getById(refundDetail.getId());
//可退数量=订单数量-退单数量-退菜数量
BigDecimal returnNum = orderDetail.getNum().subtract(orderDetail.getRefundNum()).subtract(orderDetail.getReturnNum());
if (returnNum.compareTo(BigDecimal.ZERO) <= 0 || returnNum.compareTo(refundDetail.getNum()) < 0) {
throw new ValidateException("退单失败，" + orderDetail.getProductName() + "可退数量不足");
}
//可退数量 大于优惠券数量
if (returnNum.compareTo(orderDetail.getCouponNum()) > 0) {
//实际计算金额的数量
refNum = returnNum.subtract(orderDetail.getCouponNum());
//退单数量 大于 实际计算金额的数量
if (refundDetail.getNum().compareTo(refNum) > 0) {
refundAmount = refNum.multiply(orderDetail.getUnitPrice());
returnCouponMap.put(orderDetail.getProductId(), refundDetail.getNum().subtract(refNum).intValue());
} else {
refundAmount = refundDetail.getNum().multiply(orderDetail.getUnitPrice());
}
}
if (refundAmount.compareTo(refundDetail.getReturnAmount()) != 0) {
throw new ValidateException("退单失败，" + orderDetail.getProductName() + "退单金额不正确");
}
refNum = refundDetail.getNum();
refundAmountTotal = refundAmountTotal.add(refundAmount);
if (isPay) {
orderDetail.setRefundNum(orderDetail.getRefundNum().add(refNum));
orderDetail.setReturnAmount(orderDetail.getReturnAmount().add(refundDetail.getReturnAmount()));
if (orderDetail.getReturnAmount().compareTo(orderDetail.getPayAmount()) > 0) {
throw new ValidateException("退单失败，" + orderDetail.getProductName() + "退单金额不正确");
}
if (orderDetail.getNum().compareTo(orderDetail.getRefundNum().add(orderDetail.getReturnNum())) == 0) {
orderDetail.setStatus(OrderStatusEnums.REFUND.getCode());
} else {
orderDetail.setStatus(OrderStatusEnums.PART_REFUND.getCode());
}
} else {
orderDetail.setReturnNum(orderDetail.getRefundNum().add(refNum));
orderDetail.setPayAmount((orderDetail.getNum().subtract(orderDetail.getRefundNum()).subtract(orderDetail.getReturnNum())
.subtract(orderDetail.getCouponNum())).multiply(orderDetail.getUnitPrice()));
orderDetail.setReturnNum(orderDetail.getReturnNum().add(refNum));
}
orderDetail.setRefundNo(refPayOrderNo);
orderDetail.setRefundRemark(orderDetail.getRefundRemark() + param.getRefundReason());
@ -554,7 +531,6 @@ public class PayServiceImpl implements PayService {
orderInfo.setStatus(OrderStatusEnums.REFUND.getCode());
}
} else {
refundAmountTotal = param.getRefundAmount();
orderInfo.setStatus(OrderStatusEnums.REFUND.getCode());
List<OrderDetail> orderDetails = orderDetailService.queryChain()
.select(OrderDetail::getId, OrderDetail::getNum, OrderDetail::getReturnNum, OrderDetail::getReturnNum)
@ -564,7 +540,6 @@ public class PayServiceImpl implements PayService {
if (isPay) {
returnProMap.put(orderDetail.getProductId(), orderDetail.getNum().subtract(orderDetail.getReturnNum()).subtract(orderDetail.getRefundNum()));
orderDetail.setRefundNum(orderDetail.getNum().subtract(orderDetail.getReturnNum()));
orderDetail.setReturnAmount(orderDetail.getPayAmount());
orderDetail.setStatus(OrderStatusEnums.REFUND.getCode());
} else {
returnProMap.put(orderDetail.getProductId(), orderDetail.getNum().subtract(orderDetail.getReturnNum()));
@ -578,10 +553,6 @@ public class PayServiceImpl implements PayService {
//TODO 退款 券 未处理
if (isPay) {
if (param.isModify()) {
orderInfo.setRefundAmount(orderInfo.getRefundAmount().add(param.getRefundAmount()));
if (orderInfo.getRefundAmount().compareTo(orderInfo.getPayAmount()) < 0) {
throw new ValidateException("退单失败，可退金额不足");
}
//非现金退款
if (!param.isCash()) {
if (orderInfo.getPayType().equals(PayEnums.VIP_PAY.getValue())) {
@ -602,13 +573,6 @@ public class PayServiceImpl implements PayService {
}
}
} else {
if (refundAmountTotal.compareTo(param.getRefundAmount()) != 0) {
throw new ValidateException("退单失败，退款金额不正确");
}
orderInfo.setRefundAmount(orderInfo.getRefundAmount().add(refundAmountTotal));
if (orderInfo.getRefundAmount().compareTo(orderInfo.getPayAmount()) < 0) {
throw new ValidateException("退单失败，可退金额不足");
}
//非现金退款
if (!param.isCash()) {
if (orderInfo.getPayType().equals(PayEnums.VIP_PAY.getValue())) {
@ -630,7 +594,7 @@ public class PayServiceImpl implements PayService {
}
}
} else {
orderInfo.setOrderAmount(orderInfo.getOrderAmount().subtract(refundAmountTotal));
orderInfo.setOrderAmount(orderInfo.getOrderAmount().subtract(param.getRefundAmount()));
}
orderInfo.setRefundRemark(orderInfo.getRefundRemark() + param.getRefundReason());
orderInfoService.updateById(orderInfo);