feat 新增清理TMDB缓存命令

app/chain/system.py

@@ -0,0 +1,17 @@
+from typing import Union
+
+from app.chain import ChainBase
+from app.schemas import Notification, MessageChannel
+
+
+class SystemChain(ChainBase):
+    """
+    系统级处理链
+    """
+    def remote_clear_cache(self, channel: MessageChannel, userid: Union[int, str]):
+        """
+        清理系统缓存
+        """
+        self.clear_cache()
+        self.post_message(Notification(channel=channel,
+                                       title=f"缓存清理完成！", userid=userid))