0cfc9bf9c8
- 虚拟用户管理（昵称/头像/性别/简介/邮箱同步到目标平台） - AI互动调度（点赞/收藏/评论/转发） - 日志时间改为北京时间 - 评论达上限后继续执行点赞收藏转发 - 一键登出全部功能 - 浅色主题UI
82 lines
2.0 KiB
Python
82 lines
2.0 KiB
Python
"""Redis缓存客户端"""
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import json
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import redis.asyncio as aioredis
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from app.core.config import settings
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from app.core.logger import logger
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_redis_client = None
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async def get_redis() -> aioredis.Redis:
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global _redis_client
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if _redis_client is None:
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_redis_client = aioredis.from_url(
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f"redis://{settings.REDIS_HOST}:{settings.REDIS_PORT}",
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encoding="utf-8",
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decode_responses=True,
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)
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return _redis_client
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# Session键前缀
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SESSION_PREFIX = "session:"
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LOCK_PREFIX = "lock:"
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RATE_PREFIX = "rate:"
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async def set_session(user_id: int, session_data: dict, expire: int = 86400):
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"""存储用户会话"""
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r = await get_redis()
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key = f"{SESSION_PREFIX}{user_id}"
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await r.setex(key, expire, json.dumps(session_data, ensure_ascii=False))
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async def get_session(user_id: int) -> dict | None:
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"""获取用户会话"""
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r = await get_redis()
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key = f"{SESSION_PREFIX}{user_id}"
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data = await r.get(key)
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if data:
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return json.loads(data)
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return None
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async def delete_session(user_id: int):
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"""删除用户会话"""
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r = await get_redis()
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key = f"{SESSION_PREFIX}{user_id}"
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await r.delete(key)
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async def acquire_lock(name: str, expire: int = 60) -> bool:
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"""获取分布式锁"""
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r = await get_redis()
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key = f"{LOCK_PREFIX}{name}"
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result = await r.set(key, "1", nx=True, ex=expire)
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return result is True
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async def release_lock(name: str):
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"""释放分布式锁"""
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r = await get_redis()
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key = f"{LOCK_PREFIX}{name}"
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await r.delete(key)
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async def incr_rate(key: str, expire: int = 86400) -> int:
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"""限流计数"""
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r = await get_redis()
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rate_key = f"{RATE_PREFIX}{key}"
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count = await r.incr(rate_key)
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if count == 1:
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await r.expire(rate_key, expire)
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return count
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async def get_counter(key: str) -> int:
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"""获取计数"""
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r = await get_redis()
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rate_key = f"{RATE_PREFIX}{key}"
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val = await r.get(rate_key)
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return int(val) if val else 0
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