def serialize_org_setting(row) -> dict:
    return {
        "key": row.setting_key,
        "value": row.setting_value,
        "category": row.category,
        "updated_at": row.updated_at.isoformat() if row.updated_at else None,
    }


def serialize_exclude_university(row) -> dict:
    return {
        "id": str(row.id) if row.id else None,
        "name": row.name,
        "created_at": row.created_at.isoformat() if row.created_at else None,
        "updated_at": row.updated_at.isoformat() if row.updated_at else None,
    }


def serialize_exclude_company(row) -> dict:
    return {
        "id": str(row.id) if row.id else None,
        "name": row.name,
        "linkedin_url": row.linkedin_url,
        "created_at": row.created_at.isoformat() if row.created_at else None,
        "updated_at": row.updated_at.isoformat() if row.updated_at else None,
    }