feat(backend): support import DSL from URL (#6287)

api/services/recommended_app_service.py

@@ -4,12 +4,13 @@ from os import path
 from typing import Optional
 
 import requests
+from flask import current_app
 
 from configs import dify_config
 from constants.languages import languages
 from extensions.ext_database import db
 from models.model import App, RecommendedApp
-from services.app_service import AppService
+from services.app_dsl_service import AppDslService
 
 logger = logging.getLogger(__name__)
 
@@ -186,16 +187,13 @@ class RecommendedAppService:
         if not app_model or not app_model.is_public:
             return None
 
-        app_service = AppService()
-        export_str = app_service.export_app(app_model)
-
         return {
             'id': app_model.id,
             'name': app_model.name,
             'icon': app_model.icon,
             'icon_background': app_model.icon_background,
             'mode': app_model.mode,
-            'export_data': export_str
+            'export_data': AppDslService.export_dsl(app_model=app_model)
         }
 
     @classmethod