From ad242af2c48b3fa9694084ca4f45e9555c1b9ae5 Mon Sep 17 00:00:00 2001
From: wucongxing8150 <815046773@qq.com>
Date: Mon, 3 Jun 2024 17:11:48 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E8=8D=AF=E5=93=81=E8=AE=A2?=
 =?UTF-8?q?=E5=8D=95=E9=80=80=E6=AC=BE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 api/model/orderProduct.go   |   1 +
 api/service/orderProduct.go | 119 ++++++++++++++++++++----------------
 2 files changed, 66 insertions(+), 54 deletions(-)

diff --git a/api/model/orderProduct.go b/api/model/orderProduct.go
index f4d27c0..836f1e8 100644
--- a/api/model/orderProduct.go
+++ b/api/model/orderProduct.go
@@ -23,6 +23,7 @@ type OrderProduct struct {
 	IsDelete             int                 `gorm:"column:is_delete;type:tinyint(1);default:0;comment:删除状态（0:否 1:是）" json:"is_delete"`
 	CancelReason         int                 `gorm:"column:cancel_reason;type:tinyint(1);comment:订单取消原因（1:主动取消 2:复核失败/库存不足 3:支付超时 4:客服取消）" json:"cancel_reason"`
 	AmountTotal          float64             `gorm:"column:amount_total;type:decimal(10,2);default:0.00;comment:订单金额" json:"amount_total"`
+	CouponAmountTotal    float64             `gorm:"column:coupon_amount_total;type:decimal(10,2);default:0.00;comment:优惠卷总金额" json:"coupon_amount_total"`
 	PaymentAmountTotal   float64             `gorm:"column:payment_amount_total;type:decimal(10,2);default:0.00;comment:实际付款金额" json:"payment_amount_total"`
 	LogisticsFee         float64             `gorm:"column:logistics_fee;type:decimal(10,2);default:0.00;comment:运费金额" json:"logistics_fee"`
 	LogisticsNo          string              `gorm:"column:logistics_no;type:varchar(100);comment:物流编号" json:"logistics_no"`
diff --git a/api/service/orderProduct.go b/api/service/orderProduct.go
index f45ae63..19e6326 100644
--- a/api/service/orderProduct.go
+++ b/api/service/orderProduct.go
@@ -161,67 +161,78 @@ func (r *OrderProductService) CancelOrderProduct(req requests.CancelOrderProduct
 	var successTime time.Time
 	var refundId string
 
-	// // 通知处方平台订单取消
-	// _, err = prescription.NoticePreOrderCancel(orderProduct.OrderProductNo)
-	// if err != nil {
-	// 	tx.Rollback()
-	// 	return false, err
-	// }
-
-	// 微信退款
-	refundRequest := weChat.RefundRequest{
-		TransactionId:      orderProduct.EscrowTradeNo,
-		OutTradeNo:         orderProduct.OrderProductNo,
-		OutRefundNo:        refundNo,
-		Reason:             "客服取消",
-		RefundAmount:       int64(orderProduct.PaymentAmountTotal * 100),
-		PaymentAmountTotal: int64(orderProduct.PaymentAmountTotal * 100),
-		NotifyUrl:          config.C.Wechat.RefundNotifyDomain + config.C.Wechat.PatientProductRefundNotifyUrl,
-	}
-
-	refund, err := refundRequest.Refund(2)
-	if err != nil {
-		tx.Rollback()
-		return false, errors.New(err.Error())
-	}
-
-	if refund.Status == nil {
-		tx.Rollback()
-		return false, errors.New("退款状态错误")
-	}
-
-	if *refund.Status == "SUCCESS" {
-		// 退款成功
-		refundStatus = 3
-
-		if refund.SuccessTime != nil {
-			successTime = *refund.SuccessTime
+	if orderProduct.PaymentAmountTotal > 0 {
+		// 微信退款
+		refundRequest := weChat.RefundRequest{
+			TransactionId:      orderProduct.EscrowTradeNo,
+			OutTradeNo:         orderProduct.OrderProductNo,
+			OutRefundNo:        refundNo,
+			Reason:             "客服取消",
+			RefundAmount:       int64(orderProduct.PaymentAmountTotal * 100),
+			PaymentAmountTotal: int64(orderProduct.PaymentAmountTotal * 100),
+			NotifyUrl:          config.C.Wechat.RefundNotifyDomain + config.C.Wechat.PatientProductRefundNotifyUrl,
 		}
-	} else if *refund.Status == "CLOSED" {
-		// 退款关闭
-		refundStatus = 5
 
-	} else if *refund.Status == "PROCESSING" {
-		// 退款处理中
-		refundStatus = 2
+		refund, err := refundRequest.Refund(2)
+		if err != nil {
+			tx.Rollback()
+			return false, errors.New(err.Error())
+		}
 
-	} else if *refund.Status == "ABNORMAL" {
-		// 退款异常
-		tx.Rollback()
-		return false, errors.New("退款状态错误")
+		if refund.Status == nil {
+			tx.Rollback()
+			return false, errors.New("退款状态错误")
+		}
+
+		if *refund.Status == "SUCCESS" {
+			// 退款成功
+			refundStatus = 3
+
+			if refund.SuccessTime != nil {
+				successTime = *refund.SuccessTime
+			}
+		} else if *refund.Status == "CLOSED" {
+			// 退款关闭
+			refundStatus = 5
+
+		} else if *refund.Status == "PROCESSING" {
+			// 退款处理中
+			refundStatus = 2
+
+		} else if *refund.Status == "ABNORMAL" {
+			// 退款异常
+			tx.Rollback()
+			return false, errors.New("退款状态错误")
+		} else {
+			tx.Rollback()
+			return false, errors.New("退款状态错误")
+		}
+
+		if refund.RefundId == nil {
+			tx.Rollback()
+			return false, errors.New("缺少退款订单编号")
+		}
+
+		// 退款编号
+		refundId = *refund.RefundId
 	} else {
-		tx.Rollback()
-		return false, errors.New("退款状态错误")
-	}
+		// 支付金额为0，模拟退款
+		refundId = "模拟退款：" + strconv.FormatInt(global.Snowflake.Generate().Int64(), 10)
+		refundStatus = 3
+		successTime = time.Now()
 
-	if refund.RefundId == nil {
-		tx.Rollback()
-		return false, errors.New("缺少退款订单编号")
+		// 模拟退款时手动退还优惠卷
+		if orderProduct.CouponAmountTotal > 0 {
+			orderService := OrderService{}
+			res, err := orderService.ReturnOrderCoupon(orderProduct.OrderProductNo, tx)
+			if err != nil || !res {
+				// 退还优惠卷失败
+				tx.Rollback()
+				return false, err
+			}
+		}
 	}
 
-	// 退款编号
-	refundId = *refund.RefundId
-
 	// 修改问诊订单退款状态
 	orderProductData["refund_status"] = refundStatus
 	orderProductData["order_product_status"] = 5                               // 订单状态（1:待支付 2:待发货 3:已发货 4:已签收 5:已取消）