feat: Deprecate datetime.utcnow() in favor of datetime.now(timezone.utc).replace(tzinfo=None) for better timezone handling (#3408) (#3416)

api/events/event_handlers/create_document_index.py

@@ -29,7 +29,7 @@ def handle(sender, **kwargs):
             raise NotFound('Document not found')
 
         document.indexing_status = 'parsing'
-        document.processing_started_at = datetime.datetime.utcnow()
+        document.processing_started_at = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None)
         documents.append(document)
         db.session.add(document)
     db.session.commit()

api/events/event_handlers/update_provider_last_used_at_when_messaeg_created.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, timezone
 
 from core.app.entities.app_invoke_entities import AgentChatAppGenerateEntity, ChatAppGenerateEntity
 from events.message_event import message_was_created
@@ -17,5 +17,5 @@ def handle(sender, **kwargs):
     db.session.query(Provider).filter(
         Provider.tenant_id == application_generate_entity.app_config.tenant_id,
         Provider.provider_name == application_generate_entity.model_config.provider
-    ).update({'last_used': datetime.utcnow()})
+    ).update({'last_used': datetime.now(timezone.utc).replace(tzinfo=None)})
     db.session.commit()