refactor(api): switch to dify_config with Pydantic in controllers and schedule (#6237)

api/controllers/service_api/app/app.py

@@ -1,7 +1,7 @@
 
-from flask import current_app
 from flask_restful import Resource, fields, marshal_with
 
+from configs import dify_config
 from controllers.service_api import api
 from controllers.service_api.app.error import AppUnavailableError
 from controllers.service_api.wraps import validate_app_token
@@ -78,7 +78,7 @@ class AppParameterApi(Resource):
                                                      "transfer_methods": ["remote_url", "local_file"]
                                                  }}),
             'system_parameters': {
-                'image_file_size_limit': current_app.config.get('UPLOAD_IMAGE_FILE_SIZE_LIMIT')
+                'image_file_size_limit': dify_config.UPLOAD_IMAGE_FILE_SIZE_LIMIT
             }
         }
 

api/controllers/service_api/index.py

@@ -1,6 +1,6 @@
-from flask import current_app
 from flask_restful import Resource
 
+from configs import dify_config
 from controllers.service_api import api
 
 
@@ -9,7 +9,7 @@ class IndexApi(Resource):
         return {
             "welcome": "Dify OpenAPI",
             "api_version": "v1",
-            "server_version": current_app.config['CURRENT_VERSION']
+            "server_version": dify_config.CURRENT_VERSION,
         }