初始化提交

backend/app/repositories/time_anniversaries.py

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+"""时态纪念日数据访问（辰正 §5.3）。"""
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.time_anniversary import TimeAnniversary
+
+
+async def create_anniversary(
+    session: AsyncSession, anniversary: TimeAnniversary
+) -> TimeAnniversary:
+    session.add(anniversary)
+    await session.flush()
+    await session.refresh(anniversary)
+    return anniversary
+
+
+async def get_anniversary(session: AsyncSession, anniversary_id: str) -> TimeAnniversary | None:
+    return await session.get(TimeAnniversary, anniversary_id)
+
+
+async def list_anniversaries(session: AsyncSession, character_id: str) -> list[TimeAnniversary]:
+    result = await session.execute(
+        select(TimeAnniversary)
+        .where(TimeAnniversary.character_id == character_id)
+        .order_by(TimeAnniversary.date.asc())
+    )
+    return list(result.scalars().all())
+
+
+async def update_anniversary(
+    session: AsyncSession, anniversary_id: str, **fields: object
+) -> TimeAnniversary | None:
+    anniversary = await session.get(TimeAnniversary, anniversary_id)
+    if anniversary is None:
+        return None
+    for key, value in fields.items():
+        setattr(anniversary, key, value)
+    await session.flush()
+    return anniversary
+
+
+async def delete_anniversary(session: AsyncSession, anniversary_id: str) -> bool:
+    anniversary = await session.get(TimeAnniversary, anniversary_id)
+    if anniversary is None:
+        return False
+    await session.delete(anniversary)
+    await session.flush()
+    return True