# crud
async def get_all_events(session: AsyncSession):
    smt = select(Event).where(
        Event.is_closed == true(),
        Event.is_active == true()
    )
    result = await session.execute(smt)
    res = result.scalars().all()
    return res

# services.EventService.get_events

    async def get_events(
        self,
        session: AsyncSession
    ) -> List[EventSchema]:
        res = await crud.get_all_events(session)
        return res

# api
@router.get(
    '/events',
    status_code=status.HTTP_200_OK,
    # response_model=List[EventSchema]
)
async def get_events(
    session: AsyncSession = Depends(get_session),
    service: EventService = Depends()
):
    res = await service.get_events(session)
    return res