public function processInvoice($invoice, $payment)
{
$data = $payment->getAdditionalInformation();
if (array_key_exists('paymillPreauthId', $data) && !empty($data['paymillPreauthId'])) {
$params = array();
$params['amount'] = (int) Mage::helper("paymill/paymentHelper")->getAmount($invoice);
$params['currency'] = Mage::helper("paymill/paymentHelper")->getCurrency($invoice);
$params['description'] = Mage::helper('paymill/paymentHelper')->getDescription($payment->getOrder());
$params['source'] = Mage::helper('paymill')->getSourceString();
$paymentProcessor = new Services_Paymill_PaymentProcessor(Mage::helper('paymill/optionHelper')->getPrivateKey(), Mage::helper('paymill')->getApiUrl(), null, $params, Mage::helper('paymill/loggingHelper'));
$paymentProcessor->setPreauthId($data['paymillPreauthId']);
if (!$paymentProcessor->capture()) {
Mage::throwException(Mage::helper("paymill/paymentHelper")->getErrorMessage($paymentProcessor->getErrorCode()));
}
Mage::helper('paymill/loggingHelper')->log("Capture created", var_export($paymentProcessor->getLastResponse(), true));
$payment->setAdditionalInformation('paymillTransactionId', $paymentProcessor->getTransactionId());
}
parent::processInvoice($invoice, $payment);
}