Files
NovalRedot/backend/app/routers/outlines.py

138 lines
3.8 KiB
Python

from datetime import datetime, timezone
from fastapi import APIRouter, Depends, HTTPException, Query
from sqlmodel import Session, select, func
from ..database import get_session
from ..models import Novel, Outline
from ..schemas import (
OutlineCreate,
OutlineUpdate,
OutlineRead,
OutlineList,
OutlineReorder,
)
router = APIRouter(prefix="/api/novels/{novel_id}/outlines", tags=["outlines"])
def _get_novel_or_404(novel_id: int, session: Session) -> Novel:
novel = session.get(Novel, novel_id)
if not novel:
raise HTTPException(status_code=404, detail="小说不存在")
return novel
def _get_outline_or_404(
outline_id: int, novel_id: int, session: Session
) -> Outline:
outline = session.get(Outline, outline_id)
if not outline or outline.novel_id != novel_id:
raise HTTPException(status_code=404, detail="大纲不存在")
return outline
@router.get("", response_model=OutlineList)
def list_outlines(
novel_id: int,
session: Session = Depends(get_session),
):
_get_novel_or_404(novel_id, session)
total = session.exec(
select(func.count(Outline.id)).where(Outline.novel_id == novel_id)
).one()
items = session.exec(
select(Outline)
.where(Outline.novel_id == novel_id)
.order_by(Outline.sort_order)
).all()
return OutlineList(
items=[OutlineRead.model_validate(o, from_attributes=True) for o in items],
total=total,
)
@router.post("", response_model=OutlineRead, status_code=201)
def create_outline(
novel_id: int,
data: OutlineCreate,
session: Session = Depends(get_session),
):
_get_novel_or_404(novel_id, session)
# 自动设置 sort_order 为当前最大值 + 1
max_order = session.exec(
select(func.max(Outline.sort_order)).where(Outline.novel_id == novel_id)
).one()
next_order = (max_order or 0) + 1
outline = Outline(novel_id=novel_id, sort_order=next_order, **data.model_dump())
session.add(outline)
session.commit()
session.refresh(outline)
return outline
@router.put("/reorder", response_model=OutlineList)
def reorder_outlines(
novel_id: int,
data: OutlineReorder,
session: Session = Depends(get_session),
):
_get_novel_or_404(novel_id, session)
now = datetime.now(timezone.utc)
for idx, oid in enumerate(data.ordered_ids):
outline = _get_outline_or_404(oid, novel_id, session)
outline.sort_order = idx + 1
outline.updated_at = now
session.add(outline)
session.commit()
items = session.exec(
select(Outline)
.where(Outline.novel_id == novel_id)
.order_by(Outline.sort_order)
).all()
total = len(items)
return OutlineList(
items=[OutlineRead.model_validate(o, from_attributes=True) for o in items],
total=total,
)
@router.get("/{outline_id}", response_model=OutlineRead)
def get_outline(
novel_id: int,
outline_id: int,
session: Session = Depends(get_session),
):
return _get_outline_or_404(outline_id, novel_id, session)
@router.patch("/{outline_id}", response_model=OutlineRead)
def update_outline(
novel_id: int,
outline_id: int,
data: OutlineUpdate,
session: Session = Depends(get_session),
):
outline = _get_outline_or_404(outline_id, novel_id, session)
update_data = data.model_dump(exclude_unset=True)
for key, value in update_data.items():
setattr(outline, key, value)
outline.updated_at = datetime.now(timezone.utc)
session.add(outline)
session.commit()
session.refresh(outline)
return outline
@router.delete("/{outline_id}", status_code=204)
def delete_outline(
novel_id: int,
outline_id: int,
session: Session = Depends(get_session),
):
outline = _get_outline_or_404(outline_id, novel_id, session)
session.delete(outline)
session.commit()