"""Shared validation logic."""

from datetime import date, datetime

from abacus_common_data.country import Country

from abacus_contract.constants import error


def validate_country_code(country_code: str) -> None:
    """Validate a country code parameter."""
    try:
        Country(country_code)
    except KeyError:
        raise Exception(error.ERROR_UNKNOWN_COUNTRY.format(code=country_code))