七月迭代短暂完结,还有很多后端的关键东西没有弄,这是一版赶时间做的东西

internal/store/postgres/refund_store.go

@@ -144,3 +144,29 @@ func (s *RefundStore) FindActiveByOrderID(ctx context.Context, orderID uint) (*m
 	}
 	return &req, nil
 }
+
+// HasUnfinishedByAsset 检查资产是否存在仍会影响资产状态的退款申请。
+// 待审批、已退回，以及已通过但退款后资产处理尚未完成的申请均视为未终结。
+func (s *RefundStore) HasUnfinishedByAsset(ctx context.Context, assetType string, assetID uint) (bool, error) {
+	var assetColumn string
+	switch assetType {
+	case constants.ExchangeAssetTypeIotCard:
+		assetColumn = "iot_card_id"
+	case constants.ExchangeAssetTypeDevice:
+		assetColumn = "device_id"
+	default:
+		return false, gorm.ErrInvalidData
+	}
+
+	var count int64
+	err := s.db.WithContext(ctx).
+		Model(&model.RefundRequest{}).
+		Where(assetColumn+" = ?", assetID).
+		Where("status IN ? OR (status = ? AND asset_reset = ?)",
+			[]int{model.RefundStatusPending, model.RefundStatusReturned},
+			model.RefundStatusApproved,
+			false,
+		).
+		Count(&count).Error
+	return count > 0, err
+}