feat: correctly delete applications using Celery workers (#5787)

api/services/app_service.py

@@ -16,13 +16,14 @@ from core.model_runtime.entities.model_entities import ModelPropertyKey, ModelTy
 from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
 from core.tools.tool_manager import ToolManager
 from core.tools.utils.configuration import ToolParameterConfigurationManager
-from events.app_event import app_model_config_was_updated, app_was_created, app_was_deleted
+from events.app_event import app_model_config_was_updated, app_was_created
 from extensions.ext_database import db
 from models.account import Account
 from models.model import App, AppMode, AppModelConfig
 from models.tools import ApiToolProvider
 from services.tag_service import TagService
 from services.workflow_service import WorkflowService
+from tasks.remove_app_and_related_data_task import remove_app_and_related_data_task
 
 
 class AppService:
@@ -393,18 +394,8 @@ class AppService:
         Delete app
         :param app: App instance
         """
-        db.session.delete(app)
-        db.session.commit()
-
-        app_was_deleted.send(app)
-
-        # todo async delete related data by event
-        # app_model_configs, site, api_tokens, installed_apps, recommended_apps BY app
-        # app_annotation_hit_histories, app_annotation_settings, app_dataset_joins BY app
-        # workflows, workflow_runs, workflow_node_executions, workflow_app_logs BY app
-        # conversations, pinned_conversations, messages BY app
-        # message_feedbacks, message_annotations, message_chains BY message
-        # message_agent_thoughts, message_files, saved_messages BY message
+        # Trigger asynchronous deletion of app and related data
+        remove_app_and_related_data_task.delay(app.id)
 
     def get_app_meta(self, app_model: App) -> dict:
         """