驳回

internal/service/agent_recharge/service.go

@@ -387,6 +387,35 @@ func (s *Service) HandlePaymentCallback(ctx context.Context, rechargeNo string,
 	return nil
 }
 
+// Reject 驳回代理充值订单
+// 仅 status=1（待支付）的订单可驳回，驳回后状态变为 6（已驳回），为终态
+func (s *Service) Reject(ctx context.Context, id uint, rejectionReason string) error {
+	record, err := s.agentRechargeStore.GetByID(ctx, id)
+	if err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return errors.New(errors.CodeNotFound, "充值记录不存在")
+		}
+		return errors.Wrap(errors.CodeDatabaseError, err, "查询充值记录失败")
+	}
+
+	if record.Status != constants.RechargeStatusPending {
+		return errors.New(errors.CodeInvalidStatus, "仅待支付订单可驳回")
+	}
+
+	if err := s.agentRechargeStore.UpdateStatusWithRejection(ctx, id, rejectionReason); err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return errors.New(errors.CodeInvalidStatus, "仅待支付订单可驳回")
+		}
+		return errors.Wrap(errors.CodeDatabaseError, err, "驳回充值订单失败")
+	}
+
+	s.logger.Info("代理充值订单驳回成功",
+		zap.Uint("record_id", id),
+		zap.String("rejection_reason", rejectionReason),
+	)
+	return nil
+}
+
 // GetByID 根据ID查询充值订单详情
 // GET /api/admin/agent-recharges/:id
 func (s *Service) GetByID(ctx context.Context, id uint) (*dto.AgentRechargeResponse, error) {
@@ -490,6 +519,7 @@ func toResponse(record *model.AgentRechargeRecord, shopName string) *dto.AgentRe
 		Remark:            record.Remark,
 		Status:            record.Status,
 		StatusName:        constants.GetRechargeStatusName(record.Status),
+		RejectionReason:   record.RejectionReason,
 		CreatedAt:         record.CreatedAt.Format("2006-01-02 15:04:05"),
 		UpdatedAt:         record.UpdatedAt.Format("2006-01-02 15:04:05"),
 	}