public function _process(Invoice $invoice, Am_Request $request, Am_Paysystem_Result $result)
{
$log = $this->getDi()->invoiceLogRecord;
$log->title = "SetExpressCheckout";
$log->paysys_id = $this->getId();
$log->setInvoice($invoice);
$apireq = new Am_Paysystem_PaypalApiRequest($this);
$apireq->setExpressCheckout($invoice);
$apireq->addPostParameter('LOCALECODE', $this->getConfig('localecode', 'US'));
if ($this->getConfig('brandname')) {
$apireq->addPostParameter('BRANDNAME', $this->getConfig('brandname'));
}
if ($this->getConfig('landingpage_login')) {
$apireq->addPostParameter('LANDINGPAGE', 'Login');
}
$log->add($apireq);
$response = $apireq->send();
$log->add($response);
if ($response->getStatus() != 200) {
throw new Am_Exception_Paysystem("Error while communicating to PayPal server, please try another payment processor");
}
parse_str($response->getBody(), $vars);
if (get_magic_quotes_gpc()) {
$vars = Am_Request::ss($vars);
}
if (empty($vars['TOKEN'])) {
throw new Am_Exception_Paysystem("Error while communicating to PayPal server, no token received, please try another payment processor");
}
$invoice->data()->set(self::PAYPAL_EXPRESS_TOKEN, $vars['TOKEN']);
$action = new Am_Paysystem_Action_Redirect($this->getConfig('testing') ? self::SANDBOX_URL : self::LIVE_URL);
$action->cmd = '_express-checkout';
$action->token = $vars['TOKEN'];
$log->add($action);
$result->setAction($action);
$this->getDi()->session->paypal_invoice_id = $invoice->getSecureId('paypal');
// if express-checkout chosen, hide and don't require
// fields for login, password, email, name and address
// if that is new user,
// save user info and invoice into temporary storage not to user table
// call setExpressCheckout
// redirect to paypal
// then get back from paypal to am/payment/paypal-express/review
// on confirm key pressed, make payment, finish checkout, fill-in fields
}
