文件版本管理-初步优化

backend/app/crud/version_workflow.py

@@ -0,0 +1,30 @@
+import uuid
+from typing import Sequence
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.version_workflow import VersionWorkflow
+
+
+async def create(db: AsyncSession, workflow: VersionWorkflow, *, commit: bool = True) -> VersionWorkflow:
+    db.add(workflow)
+    if commit:
+        await db.commit()
+        await db.refresh(workflow)
+    return workflow
+
+
+async def get(db: AsyncSession, workflow_id: uuid.UUID) -> VersionWorkflow | None:
+    result = await db.execute(select(VersionWorkflow).where(VersionWorkflow.id == workflow_id))
+    return result.scalar_one_or_none()
+
+
+async def get_by_version(db: AsyncSession, version_id: uuid.UUID) -> VersionWorkflow | None:
+    result = await db.execute(select(VersionWorkflow).where(VersionWorkflow.version_id == version_id))
+    return result.scalar_one_or_none()
+
+
+async def list_by_document(db: AsyncSession, document_id: uuid.UUID) -> Sequence[VersionWorkflow]:
+    result = await db.execute(select(VersionWorkflow).where(VersionWorkflow.document_id == document_id))
+    return result.scalars().all()