fix downloaders && mediaservers && notifications

app/helper/mediaserver.py

@@ -0,0 +1,20 @@
+from app.db.systemconfig_oper import SystemConfigOper
+from app.schemas.types import SystemConfigKey
+
+
+class MediaServerHelper:
+    """
+    媒体服务器帮助类
+    """
+
+    def __init__(self):
+        self.systemconfig = SystemConfigOper()
+
+    def get_mediaservers(self) -> dict:
+        """
+        获取媒体服务器
+        """
+        mediaserver_conf: dict = self.systemconfig.get(SystemConfigKey.MediaServers)
+        if not mediaserver_conf:
+            return {}
+        return mediaserver_conf