from sqlalchemy import select

from models import Role
from schemas.role import *
from services.base import BaseService


class RoleService(BaseService):
    async def get_all(self) -> GetAllRolesResponse:
        stmt = (select(Role).order_by(Role.key))
        roles = (await self.session.scalars(stmt)).all()
        return GetAllRolesResponse(
            roles=RoleSchema.from_orm_list(roles)
        )