增加剧集更新检查

src/lib/upstash.db.ts

@@ -415,6 +415,87 @@ export class UpstashRedisStorage implements IStorage {
   async deleteGlobalValue(key: string): Promise<void> {
     await withRetry(() => this.client.del(this.globalValueKey(key)));
   }
+
+  // ---------- 通知相关 ----------
+  private notificationsKey(userName: string) {
+    return `u:${userName}:notifications`;
+  }
+
+  private lastFavoriteCheckKey(userName: string) {
+    return `u:${userName}:last_fav_check`;
+  }
+
+  async getNotifications(userName: string): Promise<import('./types').Notification[]> {
+    const val = await withRetry(() =>
+      this.client.get(this.notificationsKey(userName))
+    );
+    return val ? (val as import('./types').Notification[]) : [];
+  }
+
+  async addNotification(
+    userName: string,
+    notification: import('./types').Notification
+  ): Promise<void> {
+    const notifications = await this.getNotifications(userName);
+    notifications.unshift(notification); // 新通知放在最前面
+    // 限制通知数量，最多保留100条
+    if (notifications.length > 100) {
+      notifications.splice(100);
+    }
+    await withRetry(() =>
+      this.client.set(this.notificationsKey(userName), notifications)
+    );
+  }
+
+  async markNotificationAsRead(
+    userName: string,
+    notificationId: string
+  ): Promise<void> {
+    const notifications = await this.getNotifications(userName);
+    const notification = notifications.find((n) => n.id === notificationId);
+    if (notification) {
+      notification.read = true;
+      await withRetry(() =>
+        this.client.set(this.notificationsKey(userName), notifications)
+      );
+    }
+  }
+
+  async deleteNotification(
+    userName: string,
+    notificationId: string
+  ): Promise<void> {
+    const notifications = await this.getNotifications(userName);
+    const filtered = notifications.filter((n) => n.id !== notificationId);
+    await withRetry(() =>
+      this.client.set(this.notificationsKey(userName), filtered)
+    );
+  }
+
+  async clearAllNotifications(userName: string): Promise<void> {
+    await withRetry(() => this.client.del(this.notificationsKey(userName)));
+  }
+
+  async getUnreadNotificationCount(userName: string): Promise<number> {
+    const notifications = await this.getNotifications(userName);
+    return notifications.filter((n) => !n.read).length;
+  }
+
+  async getLastFavoriteCheckTime(userName: string): Promise<number> {
+    const val = await withRetry(() =>
+      this.client.get(this.lastFavoriteCheckKey(userName))
+    );
+    return val ? (val as number) : 0;
+  }
+
+  async setLastFavoriteCheckTime(
+    userName: string,
+    timestamp: number
+  ): Promise<void> {
+    await withRetry(() =>
+      this.client.set(this.lastFavoriteCheckKey(userName), timestamp)
+    );
+  }
 }
 
 // 单例 Upstash Redis 客户端