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

75 lines
2.1 KiB
Python

from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy import func, or_, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.core.deps import get_db
from app.models.spot import Spot
from app.models.tag import SpotTag, Tag
from app.schemas.common import PageResponse
from app.schemas.spot import SpotBrief
router = APIRouter()
def _spot_to_brief(spot: Spot) -> SpotBrief:
cover = next((img for img in spot.images if img.is_cover), None)
if cover is None and spot.images:
cover = spot.images[0]
return SpotBrief(
id=spot.id,
title=spot.title,
city=spot.city,
longitude=spot.longitude,
latitude=spot.latitude,
cover_image_url=cover.image_url if cover else None,
audit_status=spot.audit_status,
avg_rating=spot.avg_rating,
created_at=spot.created_at,
)
@router.get("", response_model=PageResponse[SpotBrief])
async def search_spots(
q: str = Query(..., min_length=1),
page: int = Query(default=1, ge=1),
page_size: int = Query(default=20, ge=1, le=100),
db: AsyncSession = Depends(get_db),
):
if not q.strip():
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Query cannot be empty")
pattern = f"%{q}%"
tag_spot_ids = (
select(SpotTag.spot_id)
.join(Tag, SpotTag.tag_id == Tag.id)
.where(Tag.name.ilike(pattern))
.distinct()
.correlate(None)
.scalar_subquery()
)
filters = (
Spot.audit_status == "approved",
or_(
Spot.title.ilike(pattern),
Spot.description.ilike(pattern),
Spot.id.in_(tag_spot_ids),
),
)
count_result = await db.execute(select(func.count(Spot.id)).where(*filters))
total = count_result.scalar() or 0
offset = (page - 1) * page_size
result = await db.execute(
select(Spot)
.where(*filters)
.order_by(Spot.created_at.desc())
.offset(offset)
.limit(page_size)
)
spots = result.scalars().all()
return PageResponse(total=total, items=[_spot_to_brief(s) for s in spots])