public function execute($request)
{
RequestNotSupportedException::assertSupports($this, $request);
$model = ArrayObject::ensureArrayObject($request->getModel());
$httpRequest = new GetHttpRequest();
$this->payment->execute($httpRequest);
if ($httpRequest->request) {
$model->replace($httpRequest->request);
$this->payment->execute(new Notify($model));
} else {
throw new HttpPostRedirect($this->api->getNewPaymentUrl(), $this->api->buildFormParamsForPostRequest($model->toUnsafeArray()));
}
}
