refactor: Refactor the service of retrieval the recommend app (#9302)

api/services/recommend_app/remote/remote_retrieval.py

@@ -0,0 +1,71 @@
+import logging
+from typing import Optional
+
+import requests
+
+from configs import dify_config
+from services.recommend_app.buildin.buildin_retrieval import BuildInRecommendAppRetrieval
+from services.recommend_app.recommend_app_base import RecommendAppRetrievalBase
+from services.recommend_app.recommend_app_type import RecommendAppType
+
+logger = logging.getLogger(__name__)
+
+
+class RemoteRecommendAppRetrieval(RecommendAppRetrievalBase):
+    """
+    Retrieval recommended app from dify official
+    """
+
+    def get_recommend_app_detail(self, app_id: str):
+        try:
+            result = self.fetch_recommended_app_detail_from_dify_official(app_id)
+        except Exception as e:
+            logger.warning(f"fetch recommended app detail from dify official failed: {e}, switch to built-in.")
+            result = BuildInRecommendAppRetrieval.fetch_recommended_app_detail_from_builtin(app_id)
+        return result
+
+    def get_recommended_apps_and_categories(self, language: str) -> dict:
+        try:
+            result = self.fetch_recommended_apps_from_dify_official(language)
+        except Exception as e:
+            logger.warning(f"fetch recommended apps from dify official failed: {e}, switch to built-in.")
+            result = BuildInRecommendAppRetrieval.fetch_recommended_apps_from_builtin(language)
+        return result
+
+    def get_type(self) -> str:
+        return RecommendAppType.REMOTE
+
+    @classmethod
+    def fetch_recommended_app_detail_from_dify_official(cls, app_id: str) -> Optional[dict]:
+        """
+        Fetch recommended app detail from dify official.
+        :param app_id: App ID
+        :return:
+        """
+        domain = dify_config.HOSTED_FETCH_APP_TEMPLATES_REMOTE_DOMAIN
+        url = f"{domain}/apps/{app_id}"
+        response = requests.get(url, timeout=(3, 10))
+        if response.status_code != 200:
+            return None
+
+        return response.json()
+
+    @classmethod
+    def fetch_recommended_apps_from_dify_official(cls, language: str) -> dict:
+        """
+        Fetch recommended apps from dify official.
+        :param language: language
+        :return:
+        """
+        domain = dify_config.HOSTED_FETCH_APP_TEMPLATES_REMOTE_DOMAIN
+        url = f"{domain}/apps?language={language}"
+        response = requests.get(url, timeout=(3, 10))
+        if response.status_code != 200:
+            raise ValueError(f"fetch recommended apps failed, status code: {response.status_code}")
+
+        result = response.json()
+
+        if "categories" in result:
+            result["categories"] = sorted(result["categories"])
+
+        return result