/**
* Gets payment method list for specified currency
*
* @param string $currency
*
* @return WebToPay_PaymentMethodList
*
* @throws WebToPayException
*/
public function getPaymentMethodList($currency)
{
if (!isset($this->methodListCache[$currency])) {
$xmlAsString = $this->webClient->get(WebToPay::XML_URL . $this->projectId . '/currency:' . $currency);
$useInternalErrors = libxml_use_internal_errors(false);
$rootNode = simplexml_load_string($xmlAsString);
libxml_clear_errors();
libxml_use_internal_errors($useInternalErrors);
if (!$rootNode) {
throw new WebToPayException('Unable to load XML from remote server');
}
$methodList = new WebToPay_PaymentMethodList($this->projectId, $currency);
$methodList->fromXmlNode($rootNode);
$this->methodListCache[$currency] = $methodList;
}
return $this->methodListCache[$currency];
}
/**
* Returns new payment method list instance with only those payment methods, which are available for provided
* amount.
* Returns itself, if list is already filtered and filter amount matches the given one.
*
* @param integer $amount
* @param string $currency
*
* @return WebToPay_PaymentMethodList
*
* @throws WebToPayException if this list is already filtered and not for provided amount
*/
public function filterForAmount($amount, $currency)
{
if ($currency !== $this->currency) {
throw new WebToPayException('Currencies do not match. Given currency: ' . $currency . ', currency in list: ' . $this->currency);
}
if ($this->isFiltered()) {
if ($this->amount === $amount) {
return $this;
} else {
throw new WebToPayException('This list is already filtered, use unfiltered list instead');
}
} else {
$list = new WebToPay_PaymentMethodList($this->projectId, $currency, $this->defaultLanguage, $amount);
foreach ($this->getCountries() as $country) {
$country = $country->filterForAmount($amount, $currency);
if (!$country->isEmpty()) {
$list->addCountry($country);
}
}
return $list;
}
}