first commit

app/main/api/internal/logic/pay/wechatpayrefundcallbacklogic.go

@@ -0,0 +1,55 @@
+package pay
+
+import (
+	"context"
+	"hm-server/app/main/api/internal/svc"
+	"net/http"
+
+	"github.com/wechatpay-apiv3/wechatpay-go/services/refunddomestic"
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type WechatPayRefundCallbackLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewWechatPayRefundCallbackLogic(ctx context.Context, svcCtx *svc.ServiceContext) *WechatPayRefundCallbackLogic {
+	return &WechatPayRefundCallbackLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *WechatPayRefundCallbackLogic) WechatPayRefundCallback(w http.ResponseWriter, r *http.Request) error {
+	notification, err := l.svcCtx.WechatPayService.HandleRefundNotification(l.ctx, r)
+	if err != nil {
+		logx.Errorf("微信退款回调，%v", err)
+		return nil
+	}
+	order, findOrderErr := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, *notification.OutTradeNo)
+	if findOrderErr != nil {
+		logx.Errorf("微信退款回调，查找订单信息失败: %+v", findOrderErr)
+		return nil
+	}
+
+	switch *notification.Status {
+	case refunddomestic.STATUS_SUCCESS:
+		order.Status = "refunded"
+	case refunddomestic.STATUS_ABNORMAL:
+		// 异常
+		return nil
+	default:
+		return nil
+	}
+	if updateErr := l.svcCtx.OrderModel.UpdateWithVersion(l.ctx, nil, order); updateErr != nil {
+		logx.Errorf("微信退款回调，更新订单失败%+v", updateErr)
+		return nil
+	}
+	// 响应微信回调成功
+	w.WriteHeader(http.StatusOK)
+	_, _ = w.Write([]byte("success")) // 确保只写入一次响应
+	return nil
+}