refactor(knowledge): keep latest version only

ai_knowledge_base_v2/apps/backend/app/api/admin_knowledge_lifecycle.py

@@ -23,7 +23,6 @@ from app.schemas.knowledge import (
     KnowledgeLifecycleRequest,
     KnowledgeBatchMetadataUpdateRequest,
     KnowledgeMetadataUpdateRequest,
-    KnowledgeRollbackRequest,
     KnowledgeStatusRequest,
 )
 from app.services.admin_service import OperationLogService
@@ -113,22 +112,6 @@ def detail(
     )
 
 
-@router.get("/knowledge/{knowledge_id}/versions")
-def versions(
-    knowledge_id: int,
-    db: Session = Depends(get_db),
-    current_admin: Admin = Depends(get_current_admin),
-) -> dict:
-    _require_super_admin(current_admin)
-    _knowledge(db, knowledge_id)
-    rows = db.scalars(
-        select(KnowledgeVersion)
-        .where(KnowledgeVersion.knowledge_id == knowledge_id)
-        .order_by(KnowledgeVersion.version_no.desc())
-    ).all()
-    return api_success([_version_dict(item) for item in rows])
-
-
 @router.get("/knowledge/version/{version_id}/content")
 def version_content(
     version_id: int,
@@ -218,29 +201,6 @@ async def synchronize(
     return api_success(_job_dict(job))
 
 
-@router.post("/knowledge/{knowledge_id}/version/{version_id}/rollback")
-def rollback(
-    knowledge_id: int,
-    version_id: int,
-    payload: KnowledgeRollbackRequest,
-    db: Session = Depends(get_db),
-    current_admin: Admin = Depends(get_current_admin),
-) -> dict:
-    _require_super_admin(current_admin)
-    knowledge, version = _knowledge_version(db, knowledge_id, version_id)
-    if knowledge.current_version_id == version.id:
-        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="目标版本已是当前正式版本")
-    if payload.keepOpen and knowledge.lifecycle_status != "active":
-        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="归档知识库不能在回滚后开放")
-    try:
-        KnowledgePipelineService.rollback(db, knowledge, version, current_admin.id, payload.keepOpen)
-    except ValueError as exc:
-        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail=str(exc)) from exc
-    OperationLogService.write(db, admin_id=current_admin.id, module="knowledge", action="rollback", target_id=knowledge.id)
-    db.commit()
-    return api_success(_knowledge_detail(knowledge))
-
-
 @router.put("/knowledge/{knowledge_id}/open-status")
 def open_status(
     knowledge_id: int,
@@ -340,14 +300,6 @@ def _version(db: Session, version_id: int) -> KnowledgeVersion:
     return item
 
 
-def _knowledge_version(db: Session, knowledge_id: int, version_id: int) -> tuple[Knowledge, KnowledgeVersion]:
-    knowledge = _knowledge(db, knowledge_id)
-    version = _version(db, version_id)
-    if version.knowledge_id != knowledge.id:
-        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="版本不属于该知识库")
-    return knowledge, version
-
-
 def _knowledge_detail(item: Knowledge) -> dict:
     return {
         "id": item.id,