protected function addUpdateExchangeRate($currencyFrom, $currencyTo, $rate)
{
if (!in_array($currencyTo, $this->managedCurrencies)) {
return false;
}
$exchangeRate = $this->ratesRepository->findOneBy(['currencyFrom' => $currencyFrom, 'currencyTo' => $currencyTo]);
if (null === $exchangeRate) {
$exchangeRate = new CurrencyRate();
$exchangeRate->setCurrencyFrom($currencyFrom);
$exchangeRate->setCurrencyTo($currencyTo);
$exchangeRate->setExchangeRate($rate);
$this->helper->getEntityManager()->persist($exchangeRate);
} else {
$exchangeRate->setExchangeRate($rate);
}
return true;
}