build method

IBAN build([ bool fillRandom = true, bool validate = true ])

Implementation

IBAN build([bool fillRandom = true, bool validate = true]) {
  if (fillRandom && _countryValue == null) {
    final List<Country> supportedCountries =
        BbanStructure.supportedCountries();

    _countryValue = supportedCountries[randInt(supportedCountries.length)];
  }

  final BbanStructure? structure =
      _countryValue == null ? null : BbanStructure.forCountry(_countryValue!);

  if (structure == null) {
    throw Exception("shouldn't happen");
  }

  _fillMissingFieldsRandomly(fillRandom);

  // iban is formatted with default check digit.
  final String formattedIban = _formatIban();

  final String checkDigit = iban_util.calculateCheckDigit(formattedIban);

  // replace default check digit with calculated check digit
  final ibanValue = iban_util.replaceCheckDigit(formattedIban, checkDigit);

  if (validate) {
    iban_util.validate(ibanValue);
  }
  return IBAN(ibanValue);
}