25 lines
738 B
Python
25 lines
738 B
Python
"""生成偏好数据访问（模型网关 §4.3）。
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本地单用户单行，按 owner_scope 固定；无则由 service 层返回默认值。
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"""
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models.governance import GenerationPreferences
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async def get_preferences(session: AsyncSession, owner_scope: str) -> GenerationPreferences | None:
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result = await session.execute(
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select(GenerationPreferences).where(GenerationPreferences.owner_scope == owner_scope)
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)
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return result.scalars().first()
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async def add_preferences(
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session: AsyncSession, prefs: GenerationPreferences
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) -> GenerationPreferences:
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session.add(prefs)
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await session.flush()
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return prefs
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