Method checkOfflineUsers

packages/memos-core/src/hub/server.ts:1103–1134

()

  }

  private checkOfflineUsers(): void {
    try {
      const ownerId = this.authState.bootstrapAdminUserId || "";
      const users = this.opts.store.listHubUsers("active");
      const now = Date.now();
      const currentlyOnline = new Set<string>();
      for (const u of users) {
        if (u.id === ownerId) continue;
        if (u.lastActiveAt && now - u.lastActiveAt < HubServer.OFFLINE_THRESHOLD_MS) {
          currentlyOnline.add(u.id);
        }
      }
      for (const uid of this.knownOnlineUsers) {
        if (!currentlyOnline.has(uid)) {
          const user = users.find(u => u.id === uid);
          if (user) {
            this.notifyAdmins("user_offline", "user", user.username, uid);
            this.opts.log.info(`Hub: user "${user.username}" (${uid}) went offline`);
          }
        }
      }
      for (const uid of currentlyOnline) {
        if (!this.knownOnlineUsers.has(uid)) {
          const user = users.find(u => u.id === uid);
          if (user) {
            this.notifyAdmins("user_online", "user", user.username, uid);
          }
        }
      }
      this.knownOnlineUsers = currentlyOnline;
    } catch { /* best-effort */ }
  }

  private authenticate(req: http.IncomingMessage) {
    const header = req.headers.authorization;