修复在线问题

app/service/online_status_maintenance.py

@@ -0,0 +1,74 @@
+"""
+在线状态维护服务
+
+此模块提供在游玩状态下维护用户在线状态的功能，
+解决游玩时显示离线的问题。
+"""
+from __future__ import annotations
+
+import asyncio
+from datetime import datetime, timedelta
+
+from app.dependencies.database import get_redis
+from app.log import logger
+from app.router.v2.stats import REDIS_PLAYING_USERS_KEY, _redis_exec, get_redis_message
+
+
+async def maintain_playing_users_online_status():
+    """
+    维护正在游玩用户的在线状态
+    
+    定期刷新正在游玩用户的metadata在线标记，
+    确保他们在游玩过程中显示为在线状态。
+    """
+    redis_sync = get_redis_message()
+    redis_async = get_redis()
+    
+    try:
+        # 获取所有正在游玩的用户
+        playing_users = await _redis_exec(redis_sync.smembers, REDIS_PLAYING_USERS_KEY)
+        
+        if not playing_users:
+            return
+            
+        logger.debug(f"Maintaining online status for {len(playing_users)} playing users")
+        
+        # 为每个游玩用户刷新metadata在线标记
+        for user_id in playing_users:
+            user_id_str = user_id.decode() if isinstance(user_id, bytes) else str(user_id)
+            metadata_key = f"metadata:online:{user_id_str}"
+            
+            # 设置或刷新metadata在线标记，过期时间为1小时
+            await redis_async.set(metadata_key, "playing", ex=3600)
+            
+        logger.debug(f"Updated metadata online status for {len(playing_users)} playing users")
+        
+    except Exception as e:
+        logger.error(f"Error maintaining playing users online status: {e}")
+
+
+async def start_online_status_maintenance_task():
+    """
+    启动在线状态维护任务
+    
+    每5分钟运行一次维护任务，确保游玩用户保持在线状态
+    """
+    logger.info("Starting online status maintenance task")
+    
+    while True:
+        try:
+            await maintain_playing_users_online_status()
+            # 每5分钟运行一次
+            await asyncio.sleep(300)
+        except Exception as e:
+            logger.error(f"Error in online status maintenance task: {e}")
+            # 出错后等待30秒再重试
+            await asyncio.sleep(30)
+
+
+def schedule_online_status_maintenance():
+    """
+    调度在线状态维护任务
+    """
+    task = asyncio.create_task(start_online_status_maintenance_task())
+    return task