from typing import Optional
from sqlalchemy.orm import Session
from mooc.crud.crud_base import CRUDBase
from mooc.models.coupon_location import CouponLocation
from mooc.schemas.coupon_location import CouponLocationCreate, CouponLocationUpdate

class CRUDCouponLocation(CRUDBase[CouponLocation, CouponLocationCreate, CouponLocationUpdate]):
    def get_by_id(self, db: Session, *, id: int) -> Optional[CouponLocation]:
        return self.get_by_field(db, "id", id)

# 创建实例
coupon_location = CRUDCouponLocation(CouponLocation)