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FastapiAdmin/backend/app/api/v1/services/monitor/online_service.py
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Python

# -*- coding: utf-8 -*-
import json
from typing import Dict, List, Optional
from redis.asyncio.client import Redis
from app.common.enums import RedisInitKeyConfig
from app.core.exceptions import CustomException
from app.api.v1.params.monitor.online_param import OnlineQueryParams
from app.api.v1.schemas.monitor.online_schema import OnlineOutSchema
from app.core.redis_crud import RedisCURD
from app.core.security import decode_access_token
from app.core.logger import logger
class OnlineService:
"""在线用户管理模块服务层"""
@classmethod
async def get_online_list_service(cls, redis: Redis, search: Optional[OnlineQueryParams] = None) -> List[Dict]:
"""
获取在线用户列表信息(支持分页和搜索)
"""
keys = await RedisCURD(redis).get_keys(f"{RedisInitKeyConfig.ACCESS_TOKEN.key}:*")
tokens = await RedisCURD(redis).mget(*keys)
online_users = []
for token in tokens:
if not token:
continue
try:
payload = decode_access_token(token=token)
session_info = json.loads(payload.sub)
if cls._match_search_conditions(session_info, search):
online_users.append(session_info)
except Exception as e:
logger.error(f"解析在线用户数据失败: {e}")
continue
# 按照 login_time 倒序排序
online_users.sort(key=lambda x: x.get('login_time', ''), reverse=True)
return online_users
@classmethod
async def delete_online_service(cls, redis: Redis, session_id: str) -> bool:
"""强制下线在线用户"""
# 删除 token
await RedisCURD(redis).delete(f"{RedisInitKeyConfig.ACCESS_TOKEN.key}:{session_id}")
await RedisCURD(redis).delete(f"{RedisInitKeyConfig.REFRESH_TOKEN.key}:{session_id}")
logger.info(f"强制下线用户会话: {session_id}")
return True
@classmethod
async def clear_online_service(cls, redis: Redis) -> bool:
"""强制下线在线用户"""
# 删除 token
await RedisCURD(redis).delete(f"{RedisInitKeyConfig.ACCESS_TOKEN.key}:*")
await RedisCURD(redis).delete(f"{RedisInitKeyConfig.REFRESH_TOKEN.key}:*")
logger.info(f"清除所有在线用户会话成功")
return True
@staticmethod
def _match_search_conditions(online_info: Dict, search: Optional[OnlineQueryParams]) -> bool:
"""检查是否匹配搜索条件"""
if not search:
return True
if search.name and search.name[1]:
keyword = search.name[1].strip('%')
if keyword.lower() not in online_info.get("name", "").lower():
return False
if search.ipaddr and search.ipaddr[1]:
keyword = search.ipaddr[1].strip('%')
if keyword not in online_info.get("ipaddr", ""):
return False
if search.login_location and search.login_location[1]:
keyword = search.login_location[1].strip('%')
if keyword.lower() not in online_info.get("login_location", "").lower():
return False
return True