feat: 增加桌面端登录、视频清单和封面缓存

server/services/profile_poller.py

@@ -0,0 +1,61 @@
+import logging
+import threading
+
+from server.services.rapt import rapt
+from server.services.sessions import sessions
+
+log = logging.getLogger(__name__)
+
+
+class ProfilePoller:
+    def __init__(self, interval: float = 15) -> None:
+        self.interval = interval
+        self._lock = threading.Lock()
+        self._token = ""
+        self._stop: threading.Event | None = None
+        self._thread: threading.Thread | None = None
+
+    def ensure(self, token: str) -> None:
+        with self._lock:
+            if self._token == token and self._thread is not None and self._thread.is_alive():
+                return
+            if self._stop is not None:
+                self._stop.set()
+            stop = threading.Event()
+            thread = threading.Thread(
+                target=self._loop,
+                args=(token, stop),
+                name="profile-poller",
+                daemon=True,
+            )
+            self._token = token
+            self._stop = stop
+            self._thread = thread
+            thread.start()
+
+    def stop_if(self, token: str) -> None:
+        with self._lock:
+            if self._token != token:
+                return
+            if self._stop is not None:
+                self._stop.set()
+            self._token = ""
+            self._stop = None
+            self._thread = None
+
+    def _loop(self, token: str, stop: threading.Event) -> None:
+        while not stop.wait(self.interval):
+            if sessions.active_token() != token:
+                return
+            device = sessions.device_for(token)
+            if device is None:
+                return
+            try:
+                profile = rapt.user_info(token, device)
+            except Exception:
+                log.warning("刷新个人信息失败", exc_info=True)
+                continue
+            sessions.set_profile(token, profile)
+
+
+profile_poller = ProfilePoller()