Files
CosScene/server/app/api/v1/endpoints/ratings.py
T
2026-05-09 16:40:29 +08:00

81 lines
2.5 KiB
Python

from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.core.deps import get_current_active_user, get_db
from app.models.rating import Rating
from app.models.spot import Spot
from app.models.user import User
from app.schemas.common import PageResponse
from app.schemas.rating import RatingCreate, RatingOut
router = APIRouter()
@router.post("/spots/{spot_id}/rate", response_model=RatingOut)
async def rate_spot(
spot_id: int,
payload: RatingCreate,
current_user: User = Depends(get_current_active_user),
db: AsyncSession = Depends(get_db),
):
result = await db.execute(select(Spot).where(Spot.id == spot_id))
spot = result.scalar_one_or_none()
if not spot:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Spot not found")
existing = await db.execute(
select(Rating).where(Rating.user_id == current_user.id, Rating.spot_id == spot_id)
)
rating = existing.scalar_one_or_none()
if rating:
rating.score = payload.score
rating.short_comment = payload.short_comment
else:
rating = Rating(
spot_id=spot_id,
user_id=current_user.id,
score=payload.score,
short_comment=payload.short_comment,
)
db.add(rating)
await db.flush()
agg = await db.execute(
select(func.avg(Rating.score), func.count(Rating.id)).where(Rating.spot_id == spot_id)
)
avg_score, count = agg.one()
spot.avg_rating = round(float(avg_score), 2) if avg_score else None
spot.rating_count = count or 0
await db.commit()
await db.refresh(rating)
return rating
@router.get("/spots/{spot_id}/ratings", response_model=PageResponse[RatingOut])
async def list_ratings(
spot_id: int,
page: int = Query(default=1, ge=1),
page_size: int = Query(default=20, ge=1, le=100),
db: AsyncSession = Depends(get_db),
):
count_result = await db.execute(
select(func.count(Rating.id)).where(Rating.spot_id == spot_id)
)
total = count_result.scalar() or 0
offset = (page - 1) * page_size
result = await db.execute(
select(Rating)
.where(Rating.spot_id == spot_id)
.order_by(Rating.created_at.desc())
.offset(offset)
.limit(page_size)
)
ratings = result.scalars().all()
return PageResponse(total=total, items=[RatingOut.model_validate(r) for r in ratings])