public function __construct(ICurrency $currency, ICurrencyRateProvider $provider, \DateTime $date = null)
{
$this->currency = $currency;
$this->date = $date;
$this->provider = $provider;
$this->message = sprintf('Rate not found for currency %s and provider %s', $currency->getCode(), $provider->getName());
}
/**
* {@inheritdoc}
*/
public function getRate(ICurrency $currency, ICurrencyRateProvider $provider, \DateTime $rateDate = null)
{
$qb = $this->em->createQueryBuilder();
$qb->select('r')->from($this->currencyRateClassName, 'r')->leftJoin('r.currency', 'c')->where($qb->expr()->eq('c.code', ':currency'))->andWhere($qb->expr()->eq('r.providerName', ':provider'))->setParameters(['currency' => $currency->getCode(), 'provider' => $provider->getName()])->orderBy('r.date', 'DESC');
if (isset($rateDate)) {
$qb->andWhere($qb->expr()->eq('r.date', ':date'))->setParameter('date', $rateDate->format('Y-m-d 00:00:00'));
}
$result = $qb->getQuery()->getResult();
$result = reset($result);
return $result;
}
/**
* Get currency rate
*
* @param ICurrency $currency
* @param ICurrencyRateProvider $provider
* @param null $date
* @return float
*/
private function getRate(ICurrency $currency, ICurrencyRateProvider $provider, $date = null)
{
if ($currency->getCode() != $provider->getBaseCurrency()->getCode()) {
$rate = $this->rateManager->getRate($currency, $provider, $date);
if (!$rate) {
return null;
}
if (!$provider->isInversed()) {
$rate = $rate->getNominal() * $rate->getRate();
} else {
$rate = $rate->getNominal() / $rate->getRate();
}
} else {
$rate = 1.0;
}
return $rate;
}