/**
* Cancels a subscription
* @param parameters The parameters to be sent to the server
* @param string $lang language of request see SupportedLanguages class
* @return The response to the request sent
* @throws PayUException
* @throws InvalidArgumentException
*/
public static function cancel($parameters, $lang = null)
{
$required = array(PayUParameters::SUBSCRIPTION_ID);
CommonRequestUtil::validateParameters($parameters, $required);
$request = PayUSubscriptionsRequestUtil::buildSubscription($parameters);
$urlSegment = PayUSubscriptionsUrlResolver::getInstance()->getUrlSegment(PayUSubscriptionsUrlResolver::SUBSCRIPTIONS_ENTITY, PayUSubscriptionsUrlResolver::DELETE_OPERATION, array($parameters[PayUParameters::SUBSCRIPTION_ID]));
$payUHttpRequestInfo = PayUSubscriptionsRequestUtil::buildHttpRequestInfo($urlSegment, $lang, RequestMethod::DELETE);
return PayUApiServiceUtil::sendRequest($request, $payUHttpRequestInfo);
}
