from typing import Optional

from models import UploadFile, db


class UploadFileService:
    @staticmethod
    def get_upload_file(upload_file_id) -> Optional[UploadFile]:
        upload_file: Optional[UploadFile] = (
            db.session.query(UploadFile).filter_by(id=upload_file_id).first()
        )
        return upload_file