zk
47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
"""定制简历 Redis 存取模块
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提供定制简历的保存（自动回滚备份）、查询、回滚能力。
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各 Service 统一复用，不直接操作 Redis key。
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"""
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from app.core.redis import RedisManager
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from app.schemas.customize_resume import CustomizeResume
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# Redis 常量
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KEY_PREFIX = "customize:resume:"
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EXPIRE = 12 * 60 * 60 # 12小时
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ROLLBACK_KEY_PREFIX = "customize:resume:rollback:"
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ROLLBACK_EXPIRE = 30 * 60 # 30分钟
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async def save(user_id: int, cr: CustomizeResume) -> None:
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"""保存定制简历，自动备份旧版本到回滚 key"""
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key = f"{KEY_PREFIX}{user_id}"
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rollback_key = f"{ROLLBACK_KEY_PREFIX}{user_id}"
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# 备份旧数据
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old_data = await RedisManager.client.get(key)
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if old_data:
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await RedisManager.client.set(rollback_key, old_data, ex=ROLLBACK_EXPIRE)
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# 存新数据
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await RedisManager.client.set(key, cr.model_dump_json(by_alias=True), ex=EXPIRE)
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async def get(user_id: int) -> dict | None:
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"""查询定制简历，返回 dict 或 None"""
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key = f"{KEY_PREFIX}{user_id}"
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data = await RedisManager.client.get(key)
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if data:
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return CustomizeResume.model_validate_json(data).model_dump(by_alias=True)
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return None
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async def rollback(user_id: int) -> None:
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"""回滚定制简历到上一版本"""
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rollback_key = f"{ROLLBACK_KEY_PREFIX}{user_id}"
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data = await RedisManager.client.get(rollback_key)
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if not data:
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raise ValueError("没有可回滚的版本")
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key = f"{KEY_PREFIX}{user_id}"
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await RedisManager.client.set(key, data, ex=EXPIRE)
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await RedisManager.client.delete(rollback_key)
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