fix(mediaserver): sync library data incrementally

app/db/mediaserver_oper.py

@@ -14,24 +14,67 @@ class MediaServerOper(DbOper):
     def __init__(self, db: Session = None):
         super().__init__(db)
 
+    @staticmethod
+    def __prepare_payload(kwargs: dict) -> dict:
+        """
+        过滤数据库模型不存在或不应由远端覆盖的字段
+        """
+        return {
+            k: v for k, v in kwargs.items()
+            if hasattr(MediaServerItem, k) and k != "id"
+        }
+
     def add(self, **kwargs) -> bool:
         """
         新增媒体服务器数据
         """
-        # MediaServerItem中没有的属性剔除
-        kwargs = {k: v for k, v in kwargs.items() if hasattr(MediaServerItem, k)}
+        kwargs = self.__prepare_payload(kwargs)
+        server = kwargs.get("server")
+        item_id = kwargs.get("item_id")
+        if not server or not item_id:
+            return False
         item = MediaServerItem(**kwargs)
-        if not item.get_by_itemid(self._db, kwargs.get("item_id")):
+        if not item.get_by_server_itemid(self._db, server, item_id):
             item.create(self._db)
             return True
         return False
 
+    def upsert(self, **kwargs) -> bool:
+        """
+        按媒体服务器和条目ID新增或更新数据
+        """
+        kwargs = self.__prepare_payload(kwargs)
+        server = kwargs.get("server")
+        item_id = kwargs.get("item_id")
+        if not server or not item_id:
+            return False
+
+        item = MediaServerItem.get_by_server_itemid(self._db, server, item_id)
+        if item:
+            item.update(self._db, kwargs)
+            return False
+
+        MediaServerItem(**kwargs).create(self._db)
+        return True
+
     def empty(self, server: Optional[str] = None):
         """
         清空媒体服务器数据
         """
         MediaServerItem.empty(self._db, server)
 
+    def delete_stale(self, server: str, sync_time: str) -> int:
+        """
+        删除本轮同步未更新的旧数据
+        """
+        return MediaServerItem.delete_stale(self._db, server, sync_time)
+
+    def delete_excluded_servers(self, servers: list[str]) -> int:
+        """
+        删除未启用或已移除媒体服务器的数据
+        """
+        return MediaServerItem.delete_excluded_servers(self._db, servers)
+
     def exists(self, **kwargs) -> Optional[MediaServerItem]:
         """
         判断媒体服务器数据是否存在