fix: fix delete logs failed (#36151)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/services/clear_free_plan_tenant_expired_logs.py

@@ -35,6 +35,21 @@ logger = logging.getLogger(__name__)
 
 
 class ClearFreePlanTenantExpiredLogs:
+    @staticmethod
+    def _serialize_record(record: object) -> dict[str, object]:
+        if hasattr(record, "to_dict"):
+            return record.to_dict()  # type: ignore[no-any-return]
+
+        table = getattr(record, "__table__", None)
+        columns = getattr(table, "columns", None)
+        if columns is None:
+            raise TypeError(f"Unsupported record type for serialization: {type(record)!r}")
+
+        record_dict: dict[str, object] = {}
+        for column in columns:
+            record_dict[column.name] = getattr(record, column.name)
+        return record_dict
+
     @classmethod
     def _clear_message_related_tables(cls, session: Session, tenant_id: str, batch_message_ids: list[str]):
         """
@@ -77,14 +92,7 @@ class ClearFreePlanTenantExpiredLogs:
                 record_data = []
                 for record in records:
                     try:
-                        if hasattr(record, "to_dict"):
-                            record_data.append(record.to_dict())
-                        else:
-                            # if record doesn't have to_dict method, we need to transform it to dict manually
-                            record_dict = {}
-                            for column in record.__table__.columns:
-                                record_dict[column.name] = getattr(record, column.name)
-                            record_data.append(record_dict)
+                        record_data.append(cls._serialize_record(record))
                     except Exception:
                         logger.exception("Failed to transform %s record: %s", table_name, record.id)
                         continue
@@ -222,7 +230,12 @@ class ClearFreePlanTenantExpiredLogs:
                     f"{tenant_id}/workflow_node_executions/{datetime.datetime.now().strftime('%Y-%m-%d')}"
                     f"-{time.time()}.json",
                     json.dumps(
-                        jsonable_encoder(workflow_node_executions),
+                        jsonable_encoder(
+                            [
+                                cls._serialize_record(workflow_node_execution)
+                                for workflow_node_execution in workflow_node_executions
+                            ]
+                        ),
                     ).encode("utf-8"),
                 )