/**
* Check if currency definitions exist in dictionary
*
* @param Currency $currency
*
* @throws InvalidArgumentException
*/
private function guardAgainstUnexistingCurrency(Currency $currency)
{
if (!array_key_exists($currency->getIdentifier(), $this->currencyDictionary->getUnitNames())) {
throw new InvalidArgumentException(sprintf('There is missing "%s" unit in a currency dictionary', $currency->getIdentifier()));
}
if (!array_key_exists($currency->getIdentifier(), $this->currencyDictionary->getSubunitNames())) {
throw new InvalidArgumentException(sprintf('There is missing "%s" subunit in a currency dictionary', $currency->getIdentifier()));
}
}
/**
* Gets a single subunit name for the provided currency
*
* @param CurrencyModel $currency
* @param bool $singular
*
* @return string
*/
public function getSubunitName(CurrencyModel $currency, $plural)
{
$subunit = $this->subunitNames[$currency->getIdentifier()];
return $subunit[$plural ? 'plural' : 'singular'];
}
