private function _PreparePayment()
{
Config::GetInstance()->InitSession();
$payment = new CheckoutController();
// make a cart out of the form
if (($html = $payment->PreparePayment()) === false) {
// an empty cart is allowed if there are no required payment fields
// but in that case any emails must be send now, because the checkout page won't be there
FormPage::GetInstance()->SendEmails(true);
return false;
}
// ensure the merger has access to cart details
MessagePostMerger::GetInstance()->cart = $payment->getCartInstance();
// saveCartToDB generates a new id if none was specified
$transactid = $payment->saveCartToDB();
// associate our transaction id to the form
FormPage::GetInstance()->SaveTransactionId($transactid);
// prepare the page with cart info to show the user
$userdom = new DOMDocument('1.0', 'UTF-8');
$userdom->loadHTML($html);
$xpath = new DOMXpath($userdom);
$msgnode = $xpath->query('//body')->item(0);
FormPage::GetInstance()->PrepareInlineMessage($msgnode, true);
// save cart to session, needed if emails are send from the confirmation screen
$payment->saveCartToSession();
// send any emails, now that cart data has been made available
FormPage::GetInstance()->SendEmails();
// save the checkout page and the post data (needed it after payment)
Config::GetInstance()->SetSessionVariable('code', FormPage::GetInstance()->source);
Config::GetInstance()->SetSessionVariable('post', FormPage::GetInstance()->post);
ob_end_clean();
header('Location: ' . getUrl('action=checkout'));
exit(0);
}
