Vladless
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from core.redis_cache import cache_delete, cache_get, cache_set
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from database.models import Setting
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_KEY = "CONTENT_REVISION"
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_CACHE_KEY = "site_revision:value"
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_CACHE_TTL_SEC = 30
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async def get_site_revision(session: AsyncSession) -> int:
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cached = await cache_get(_CACHE_KEY)
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if isinstance(cached, int):
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return cached
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result = await session.execute(select(Setting).where(Setting.key == _KEY))
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setting = result.scalar_one_or_none()
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if setting is None:
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await cache_set(_CACHE_KEY, 0, _CACHE_TTL_SEC)
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return 0
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try:
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value = int(setting.value or 0)
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except (TypeError, ValueError):
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value = 0
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await cache_set(_CACHE_KEY, value, _CACHE_TTL_SEC)
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return value
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async def bump_site_revision(session: AsyncSession) -> int:
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result = await session.execute(select(Setting).where(Setting.key == _KEY))
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setting = result.scalar_one_or_none()
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if setting is None:
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session.add(Setting(key=_KEY, value=1))
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await cache_delete(_CACHE_KEY)
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return 1
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try:
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current = int(setting.value or 0)
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except (TypeError, ValueError):
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current = 0
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setting.value = current + 1
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await cache_delete(_CACHE_KEY)
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return current + 1
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