from sqlalchemy import select

from db.models.pricing import PricingConfig
from db.session import UnitOfWork


class PricingRepository:
    def __init__(self, uow: UnitOfWork) -> None:
        self.session = uow.session

    async def get(self) -> PricingConfig | None:
        stmt = select(PricingConfig).where(PricingConfig.id == 1)
        r = await self.session.execute(stmt)

        return r.scalar_one_or_none()