100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, Query, Response
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from sqlalchemy import or_, select
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from sqlalchemy.orm import Session
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from app.db.session import get_db
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from app.models import Document, KnowledgeItem, Source
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from app.schemas.catalog import AuditRead, DocumentCreate, DocumentRead, DocumentUpdate, Page
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from app.services.catalog import (
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ensure_version,
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get_item,
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history,
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invalidate_knowledge,
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page_result,
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record_event,
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update_values,
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)
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router = APIRouter(prefix="/documents", tags=["documents"])
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@router.get("", response_model=Page[DocumentRead])
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def list_documents(
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q: str = Query("", max_length=200),
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source_id: int | None = Query(None, gt=0),
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category: str | None = Query(None, max_length=80),
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page: int = Query(1, ge=1),
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page_size: int = Query(20, ge=1, le=100),
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db: Session = Depends(get_db),
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):
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statement = select(Document).where(Document.is_deleted.is_(False))
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if source_id is not None:
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statement = statement.where(Document.source_id == source_id)
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if category is not None:
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statement = statement.where(Document.category == category)
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if q:
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statement = statement.where(
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or_(
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Document.title.icontains(q, autoescape=True),
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Document.content.icontains(q, autoescape=True),
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)
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)
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return page_result(db, statement.order_by(Document.id.desc()), page, page_size)
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@router.post("", response_model=DocumentRead, status_code=201)
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def create_document(payload: DocumentCreate, db: Session = Depends(get_db)):
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get_item(db, Source, payload.source_id, lock=True)
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item = Document(**payload.model_dump())
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db.add(item)
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record_event(db, item, "create")
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db.commit()
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return item
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@router.get("/{item_id}", response_model=DocumentRead)
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def read_document(item_id: int, db: Session = Depends(get_db)):
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return get_item(db, Document, item_id)
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@router.patch("/{item_id}", response_model=DocumentRead)
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def update_document(item_id: int, payload: DocumentUpdate, db: Session = Depends(get_db)):
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item = get_item(db, Document, item_id, lock=True)
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ensure_version(item, payload.expected_version)
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update_values(item, payload)
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record_event(db, item, "update")
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invalidate_knowledge(db, KnowledgeItem.document_id == item.id)
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db.commit()
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return item
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@router.delete("/{item_id}", status_code=204)
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def delete_document(
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item_id: int, expected_version: int = Query(..., ge=1), db: Session = Depends(get_db)
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):
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item = get_item(db, Document, item_id, lock=True)
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ensure_version(item, expected_version)
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if (
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db.scalar(
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select(KnowledgeItem.id)
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.where(KnowledgeItem.document_id == item_id, KnowledgeItem.is_deleted.is_(False))
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.limit(1)
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)
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is not None
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):
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raise HTTPException(409, "文档仍被知识条目引用，不能删除")
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item.is_deleted = True
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record_event(db, item, "delete")
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db.commit()
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return Response(status_code=204)
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@router.get("/{item_id}/history", response_model=Page[AuditRead])
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def document_history(
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item_id: int,
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page: int = Query(1, ge=1),
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page_size: int = Query(20, ge=1, le=100),
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db: Session = Depends(get_db),
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):
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return history(db, Document, item_id, page, page_size)
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