first commit

app/api/cars.py

@@ -0,0 +1,57 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.db.session import get_session
+from app.models.car import Car
+from app.schemas.car import CarCreate, CarRead, CarUpdate
+
+router = APIRouter(prefix="/cars", tags=["cars"])
+
+
+@router.post("", response_model=CarRead, status_code=status.HTTP_201_CREATED)
+async def create_car(payload: CarCreate, session: AsyncSession = Depends(get_session)) -> Car:
+    car = Car(**payload.model_dump())
+    session.add(car)
+    await session.commit()
+    await session.refresh(car)
+    return car
+
+
+@router.get("", response_model=list[CarRead])
+async def list_cars(owner_id: int, session: AsyncSession = Depends(get_session)) -> list[Car]:
+    result = await session.execute(
+        select(Car).where(Car.owner_id == owner_id).order_by(Car.created_at.desc())
+    )
+    return list(result.scalars())
+
+
+@router.get("/{car_id}", response_model=CarRead)
+async def get_car(car_id: int, session: AsyncSession = Depends(get_session)) -> Car:
+    car = await session.get(Car, car_id)
+    if car is None:
+        raise HTTPException(status_code=404, detail="Car not found")
+    return car
+
+
+@router.patch("/{car_id}", response_model=CarRead)
+async def update_car(
+    car_id: int, payload: CarUpdate, session: AsyncSession = Depends(get_session)
+) -> Car:
+    car = await session.get(Car, car_id)
+    if car is None:
+        raise HTTPException(status_code=404, detail="Car not found")
+    for field, value in payload.model_dump(exclude_unset=True).items():
+        setattr(car, field, value)
+    await session.commit()
+    await session.refresh(car)
+    return car
+
+
+@router.delete("/{car_id}", status_code=status.HTTP_204_NO_CONTENT)
+async def delete_car(car_id: int, session: AsyncSession = Depends(get_session)) -> None:
+    car = await session.get(Car, car_id)
+    if car is None:
+        raise HTTPException(status_code=404, detail="Car not found")
+    await session.delete(car)
+    await session.commit()