refactor(module): simplify service instantiation with generics

app/helper/downloader.py

@@ -1,23 +1,5 @@
-from typing import List
-
-from app.db.systemconfig_oper import SystemConfigOper
-from app.schemas.system import DownloaderConf
-from app.schemas.types import SystemConfigKey
-
-
 class DownloaderHelper:
     """
     下载器帮助类
     """
-
-    def __init__(self):
-        self.systemconfig = SystemConfigOper()
-
-    def get_downloaders(self) -> List[DownloaderConf]:
-        """
-        获取下载器
-        """
-        downloader_confs: List[dict] = self.systemconfig.get(SystemConfigKey.Downloaders)
-        if not downloader_confs:
-            return []
-        return [DownloaderConf(**conf) for conf in downloader_confs]
+    pass

app/helper/mediaserver.py

@@ -1,23 +1,5 @@
-from typing import List
-
-from app.db.systemconfig_oper import SystemConfigOper
-from app.schemas import MediaServerConf
-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) -> List[MediaServerConf]:
-        """
-        获取媒体服务器
-        """
-        mediaserver_confs: List[dict] = self.systemconfig.get(SystemConfigKey.MediaServers)
-        if not mediaserver_confs:
-            return []
-        return [MediaServerConf(**conf) for conf in mediaserver_confs]
+    pass

app/helper/notification.py

@@ -1,42 +1,5 @@
-from typing import List, Optional
-
-from app.db.systemconfig_oper import SystemConfigOper
-from app.schemas import NotificationConf, NotificationSwitchConf
-from app.schemas.types import SystemConfigKey, NotificationType
-
-
 class NotificationHelper:
     """
     消息通知渠道帮助类
     """
-
-    def __init__(self):
-        self.systemconfig = SystemConfigOper()
-
-    def get_clients(self) -> List[NotificationConf]:
-        """
-        获取消息通知渠道
-        """
-        client_confs: List[dict] = self.systemconfig.get(SystemConfigKey.Notifications)
-        if not client_confs:
-            return []
-        return [NotificationConf(**conf) for conf in client_confs]
-    
-    def get_switchs(self) -> List[NotificationSwitchConf]:
-        """
-        获取消息通知场景开关
-        """
-        switchs: List[dict] = self.systemconfig.get(SystemConfigKey.NotificationSwitchs)
-        if not switchs:
-            return []
-        return [NotificationSwitchConf(**switch) for switch in switchs]
-
-    def get_switch(self, mtype: NotificationType) -> Optional[str]:
-        """
-        获取消息通知场景开关
-        """
-        switchs = self.get_switchs()
-        for switch in switchs:
-            if switch.type == mtype.value:
-                return switch.action
-        return None
+    pass

app/helper/serviceconfig.py

@@ -0,0 +1,65 @@
+from typing import List, Type, Optional
+
+from app.db.systemconfig_oper import SystemConfigOper
+from app.schemas import DownloaderConf, MediaServerConf, NotificationConf, NotificationSwitchConf
+from app.schemas.types import SystemConfigKey, NotificationType
+
+
+class ServiceConfigHelper:
+    """
+    配置帮助类，获取不同类型的服务配置
+    """
+
+    @staticmethod
+    def get_configs(config_key: SystemConfigKey, conf_type: Type) -> List:
+        """
+        通用获取配置的方法，根据 config_key 获取相应的配置并返回指定类型的配置列表
+
+        :param config_key: 系统配置的 key
+        :param conf_type: 用于实例化配置对象的类类型
+        :return: 配置对象列表
+        """
+        config_data = SystemConfigOper().get(config_key)
+        if not config_data:
+            return []
+        # 直接使用 conf_type 来实例化配置对象
+        return [conf_type(**conf) for conf in config_data]
+
+    @staticmethod
+    def get_downloader_configs() -> List[DownloaderConf]:
+        """
+        获取下载器的配置
+        """
+        return ServiceConfigHelper.get_configs(SystemConfigKey.Downloaders, DownloaderConf)
+
+    @staticmethod
+    def get_mediaserver_configs() -> List[MediaServerConf]:
+        """
+        获取媒体服务器的配置
+        """
+        return ServiceConfigHelper.get_configs(SystemConfigKey.MediaServers, MediaServerConf)
+
+    @staticmethod
+    def get_notification_configs() -> List[NotificationConf]:
+        """
+        获取消息通知渠道的配置
+        """
+        return ServiceConfigHelper.get_configs(SystemConfigKey.Notifications, NotificationConf)
+
+    @staticmethod
+    def get_notification_switches() -> List[NotificationSwitchConf]:
+        """
+        获取消息通知场景的开关
+        """
+        return ServiceConfigHelper.get_configs(SystemConfigKey.NotificationSwitchs, NotificationSwitchConf)
+
+    @staticmethod
+    def get_notification_switch(mtype: NotificationType) -> Optional[str]:
+        """
+        获取消息通知场景开关
+        """
+        switchs = ServiceConfigHelper.get_notification_switches()
+        for switch in switchs:
+            if switch.type == mtype.value:
+                return switch.action
+        return None