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

api/services/recommend_app/buildin/buildin_retrieval.py

@@ -0,0 +1,64 @@
+import json
+from os import path
+from pathlib import Path
+from typing import Optional
+
+from flask import current_app
+
+from services.recommend_app.recommend_app_base import RecommendAppRetrievalBase
+from services.recommend_app.recommend_app_type import RecommendAppType
+
+
+class BuildInRecommendAppRetrieval(RecommendAppRetrievalBase):
+    """
+    Retrieval recommended app from buildin, the location  is constants/recommended_apps.json
+    """
+
+    builtin_data: Optional[dict] = None
+
+    def get_type(self) -> str:
+        return RecommendAppType.BUILDIN
+
+    def get_recommended_apps_and_categories(self, language: str) -> dict:
+        result = self.fetch_recommended_apps_from_builtin(language)
+        return result
+
+    def get_recommend_app_detail(self, app_id: str):
+        result = self.fetch_recommended_app_detail_from_builtin(app_id)
+        return result
+
+    @classmethod
+    def _get_builtin_data(cls) -> dict:
+        """
+        Get builtin data.
+        :return:
+        """
+        if cls.builtin_data:
+            return cls.builtin_data
+
+        root_path = current_app.root_path
+        cls.builtin_data = json.loads(
+            Path(path.join(root_path, "constants", "recommended_apps.json")).read_text(encoding="utf-8")
+        )
+
+        return cls.builtin_data
+
+    @classmethod
+    def fetch_recommended_apps_from_builtin(cls, language: str) -> dict:
+        """
+        Fetch recommended apps from builtin.
+        :param language: language
+        :return:
+        """
+        builtin_data = cls._get_builtin_data()
+        return builtin_data.get("recommended_apps", {}).get(language)
+
+    @classmethod
+    def fetch_recommended_app_detail_from_builtin(cls, app_id: str) -> Optional[dict]:
+        """
+        Fetch recommended app detail from builtin.
+        :param app_id: App ID
+        :return:
+        """
+        builtin_data = cls._get_builtin_data()
+        return builtin_data.get("app_details", {}).get(app_id)