初始化提交

backend/app/repositories/skills.py

@@ -0,0 +1,32 @@
+"""Skill 数据访问。"""
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.skills import Skill
+
+
+async def add_skill(session: AsyncSession, skill: Skill) -> None:
+    session.add(skill)
+    await session.flush()
+
+
+async def get_skill(session: AsyncSession, skill_id: str) -> Skill | None:
+    return await session.get(Skill, skill_id)
+
+
+async def get_skill_by_name(session: AsyncSession, name: str) -> Skill | None:
+    result = await session.execute(select(Skill).where(Skill.name == name))
+    return result.scalar_one_or_none()
+
+
+async def list_skills(session: AsyncSession, *, status: str | None = None) -> list[Skill]:
+    conditions = []
+    if status is not None:
+        conditions.append(Skill.status == status)
+    stmt = select(Skill)
+    if conditions:
+        stmt = stmt.where(*conditions)
+    stmt = stmt.order_by(Skill.created_at.desc())
+    result = await session.execute(stmt)
+    return list(result.scalars().all())