新增金额为0时退还优惠卷

api/service/OrderInquiry.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"errors"
+	"gorm.io/gorm"
 	"hospital-admin-api/api/dao"
 	"hospital-admin-api/api/model"
 	"hospital-admin-api/config"
@@ -86,11 +87,16 @@ func (r *OrderInquiryService) CancelOrderInquiry(orderInquiryId int64) (bool, er
 	// 问诊订单修改数据
 	orderInquiryData := make(map[string]interface{})
 
+	// 退款编号
+	inquiryRefundNo := strconv.FormatInt(global.Snowflake.Generate().Int64(), 10)
+
+	// 退款状态转换
+	var inquiryRefundStatus int
+	var successTime time.Time
+	var refundId string
+
 	// 发起退款
 	if orderInquiry.PaymentAmountTotal > 0 {
-		// 退款编号
-		inquiryRefundNo := strconv.FormatInt(global.Snowflake.Generate().Int64(), 10)
-
 		refundRequest := weChat.RefundRequest{
 			TransactionId:      orderInquiry.EscrowTradeNo,
 			OutTradeNo:         orderInquiry.InquiryNo,
@@ -111,10 +117,6 @@ func (r *OrderInquiryService) CancelOrderInquiry(orderInquiryId int64) (bool, er
 			return false, errors.New("退款状态错误")
 		}
 
-		// 退款状态转换
-		var inquiryRefundStatus int
-		var successTime time.Time
-
 		if *refund.Status == "SUCCESS" {
 			// 退款成功
 			inquiryRefundStatus = 3
@@ -126,9 +128,11 @@ func (r *OrderInquiryService) CancelOrderInquiry(orderInquiryId int64) (bool, er
 		} else if *refund.Status == "CLOSED" {
 			// 退款关闭
 			inquiryRefundStatus = 5
+
 		} else if *refund.Status == "PROCESSING" {
 			// 退款处理中
 			inquiryRefundStatus = 2
+
 		} else if *refund.Status == "ABNORMAL" {
 			// 退款异常
 			tx.Rollback()
@@ -143,27 +147,25 @@ func (r *OrderInquiryService) CancelOrderInquiry(orderInquiryId int64) (bool, er
 			return false, errors.New("缺少退款订单编号")
 		}
 
-		// 新增退款表
-		orderInquiryRefundDao := dao.OrderInquiryRefundDao{}
+		// 退款编号
+		refundId = *refund.RefundId
+	} else {
+		// 支付金额为0，模拟退款
+		refundId = "模拟退款：" + strconv.FormatInt(global.Snowflake.Generate().Int64(), 10)
+		inquiryRefundStatus = 3
+		successTime = time.Now()
 
-		orderInquiryRefund := &model.OrderInquiryRefund{
-			PatientId:           orderInquiry.PatientId,
-			OrderInquiryId:      orderInquiryId,
-			InquiryNo:           orderInquiry.InquiryNo,
-			InquiryRefundNo:     inquiryRefundNo,
-			RefundId:            *refund.RefundId,
-			InquiryRefundStatus: inquiryRefundStatus,
-			RefundTotal:         orderInquiry.PaymentAmountTotal,
-			RefundReason:        "客服取消",
-			SuccessTime:         successTime,
-		}
-		orderInquiryRefund, err = orderInquiryRefundDao.AddOrderInquiryRefund(tx, orderInquiryRefund)
-		if err != nil || orderInquiryRefund == nil {
-			tx.Rollback()
-			return false, errors.New(err.Error())
+		// 模拟退款时手动退还优惠卷
+		if orderInquiry.CouponAmountTotal > 0 {
+			res := ReturnInquiryCoupon(tx, orderInquiry.OrderInquiryId)
+			if !res {
+				tx.Rollback()
+				return false, errors.New("退还优惠卷失败")
+			}
 		}
 	}
 
+	orderInquiryData["inquiry_refund_status"] = inquiryRefundStatus
 	orderInquiryData["inquiry_status"] = 7                                     // 问诊订单状态（1:待支付 2:待分配 3:待接诊 4:已接诊 5:已完成 6:已结束 7:已取消）
 	orderInquiryData["cancel_time"] = time.Now().Format("2006-01-02 15:04:05") // 订单取消时间
 	orderInquiryData["cancel_reason"] = 4                                      // 取消订单原因（1:医生未接诊 2:主动取消 3:无可分配医生 4:客服取消 5:支付超时）
@@ -176,7 +178,65 @@ func (r *OrderInquiryService) CancelOrderInquiry(orderInquiryId int64) (bool, er
 		return false, errors.New("取消订单失败")
 	}
 
+	// 新增退款表
+	orderInquiryRefund := &model.OrderInquiryRefund{
+		PatientId:           orderInquiry.PatientId,
+		OrderInquiryId:      orderInquiryId,
+		InquiryNo:           orderInquiry.InquiryNo,
+		InquiryRefundNo:     inquiryRefundNo,
+		RefundId:            refundId,
+		InquiryRefundStatus: inquiryRefundStatus,
+		RefundTotal:         orderInquiry.PaymentAmountTotal,
+		RefundReason:        "客服取消",
+		SuccessTime:         successTime,
+	}
+
+	orderInquiryRefundDao := dao.OrderInquiryRefundDao{}
+	orderInquiryRefund, err = orderInquiryRefundDao.AddOrderInquiryRefund(tx, orderInquiryRefund)
+	if err != nil || orderInquiryRefund == nil {
+		tx.Rollback()
+		return false, errors.New(err.Error())
+	}
+
 	tx.Commit()
 
 	return true, nil
 }
+
+// ReturnInquiryCoupon 退还问诊订单优惠卷
+func ReturnInquiryCoupon(tx *gorm.DB, orderInquiryId int64) bool {
+	orderInquiryCouponDao := dao.OrderInquiryCouponDao{}
+	userCouponDao := dao.UserCouponDao{}
+
+	// 获取用户优惠卷信息
+	orderInquiry, err := orderInquiryCouponDao.GetOrderInquiryCouponByOrderInquiryId(orderInquiryId)
+	if err != nil || orderInquiry == nil {
+		// 订单未使用优惠卷，无需退还
+		return true
+	}
+
+	// 获取用户优惠卷数据
+	userCoupon, err := userCouponDao.GetUserCouponById(orderInquiry.UserCouponId)
+	if err != nil || userCoupon == nil {
+		// 无该优惠卷数据，无需处理
+		return true
+	}
+
+	// 恢复优惠卷
+	userCouponData := make(map[string]interface{})
+
+	// 检测优惠卷过期时间。判断是否需要退还
+	if userCoupon.ValidEndTime.Before(time.Now()) {
+		userCouponData["user_coupon_status"] = 3
+	} else {
+		userCouponData["user_coupon_status"] = 0
+		userCouponData["coupon_use_date"] = nil
+	}
+
+	err = userCouponDao.EditUserCouponById(tx, userCoupon.UserCouponId, userCouponData)
+	if err != nil {
+		// 恢复优惠卷失败
+		return false
+	}
+	return true
+}