Feat:dataset retiever resource (#1123)

Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>

api/controllers/console/universal_chat/parameter.py

@@ -1,4 +1,6 @@
 # -*- coding:utf-8 -*-
+import json
+
 from flask_restful import marshal_with, fields
 
 from controllers.console import api
@@ -14,6 +16,7 @@ class UniversalChatParameterApi(UniversalChatResource):
         'suggested_questions': fields.Raw,
         'suggested_questions_after_answer': fields.Raw,
         'speech_to_text': fields.Raw,
+        'retriever_resource': fields.Raw,
     }
 
     @marshal_with(parameters_fields)
@@ -21,12 +24,14 @@ class UniversalChatParameterApi(UniversalChatResource):
         """Retrieve app parameters."""
         app_model = universal_app
         app_model_config = app_model.app_model_config
+        app_model_config.retriever_resource = json.dumps({'enabled': True})
 
         return {
             'opening_statement': app_model_config.opening_statement,
             'suggested_questions': app_model_config.suggested_questions_list,
             'suggested_questions_after_answer': app_model_config.suggested_questions_after_answer_dict,
             'speech_to_text': app_model_config.speech_to_text_dict,
+            'retriever_resource': app_model_config.retriever_resource_dict,
         }