public function findCurrent(Currency $currency) { return $this->filterByCurrencyCode($currency->getCode())->filterByDate(new \DateTime())->findOne(); }
public function getExchangeRate(Currency $currency, \DateTime $date = null) { $date = $date ?: new \DateTime(); return ExchangeRateQuery::create()->filterByCurrencyCode($currency->getCode())->filterByDate($date)->findOne(); }