function samurai_refund($params)
{
$setup = Samurai::setup(array('sandbox' => $params['testMode'], 'merchantKey' => $params['merchantKey'], 'merchantPassword' => $params['merchantPass'], 'processorToken' => $params['procToken']));
$gatewayid = $params['gatewayid'];
$transid = $params['transid'];
$amount = $params['amount'];
$trans = Samurai_Transaction::find($transid);
if ($amount) {
$trans->reverse($amount);
} else {
$trans->reverse();
}
if ($trans->isSuccess()) {
$refid = $trans->attributes['reference_id'];
return array('status' => 'success', 'transid' => $refid);
} else {
$allerrors = "This transaction could not be processed:\n";
foreach ($trans->errors as $context => $errors) {
foreach ($errors as $error) {
$allerrors .= $error->description . "\n";
}
}
return array('status' => 'error', 'rawdata' => $allerrors);
}
}
private function handleResponse($error, $response)
{
$transaction = new Samurai_Transaction();
$transaction->handleResponse($error, $response);
return $transaction;
}