/**
* @inheritdoc
*/
public function getRate(CurrencyInterface $currencyFrom, CurrencyInterface $currencyTo, \DateTime $date = null)
{
if ($currencyFrom->equals($currencyTo)) {
return 1;
}
$cacheKey = $currencyFrom->getCode() . $currencyTo->getCode();
if (array_key_exists($cacheKey, $this->cache)) {
return $this->cache[$cacheKey];
}
$rate = $this->currencyRateProvider->getRate($currencyFrom, $currencyTo, $date);
if (!$rate) {
throw new CurrencyRateNotFoundException();
}
$this->cache[$cacheKey] = $rate;
return $rate;
}
/**
* @param CurrencyInterface $currencyFrom
* @param CurrencyInterface $currencyTo
* @param \DateTime $date
* @return mixed
*/
public function getRate(CurrencyInterface $currencyFrom, CurrencyInterface $currencyTo, \DateTime $date = null)
{
return $this->connection->fetchColumn('select rate from cms3_currency_rate where currency_from = ? and currency_to = ?', array($currencyFrom->getCode(), $currencyTo->getCode()));
}
