驳回接口

internal/store/postgres/recharge_order_store.go

@@ -94,6 +94,25 @@ func (s *RechargeOrderStore) Update(ctx context.Context, order *model.RechargeOr
 	return s.db.WithContext(ctx).Save(order).Error
 }
 
+// UpdateStatusWithRejection 条件更新订单状态为已驳回并写入驳回原因
+// 仅当 status = 0（待支付）时更新，RowsAffected=0 说明订单不存在或状态已变更
+func (s *RechargeOrderStore) UpdateStatusWithRejection(ctx context.Context, id uint, rejectionReason string) error {
+	result := s.db.WithContext(ctx).
+		Model(&model.RechargeOrder{}).
+		Where("id = ? AND status = ?", id, model.RechargeOrderStatusPending).
+		Updates(map[string]interface{}{
+			"status":           model.RechargeOrderStatusRejected,
+			"rejection_reason": rejectionReason,
+		})
+	if result.Error != nil {
+		return result.Error
+	}
+	if result.RowsAffected == 0 {
+		return gorm.ErrRecordNotFound
+	}
+	return nil
+}
+
 func (s *RechargeOrderStore) ListByCard(ctx context.Context, iotCardID uint, generation int, offset, limit int) ([]*model.RechargeOrder, error) {
 	var orders []*model.RechargeOrder
 	query := s.db.WithContext(ctx).