public static function ipPaymentUrl($data)
{
/**
* @var \Ip\Payment[] $paymentMethods
*/
$paymentMethods = Model::collectPaymentMethods($data);
if (empty($paymentMethods)) {
return '';
}
if (count($paymentMethods) == 1) {
//redirect to the payment method as there is only one available
$paymentUrl = $paymentMethods[0]->paymentUrl($data);
return $paymentUrl;
}
//show payment selection window
//we will store all $data to the storage and assign a unique 32 character key
//then we will redirect the user to the url with generated key.
//this way we will have access to $data in payment selection window
//$_SESSION is not good fit in this case because it will fail if user navigates checkout process several times in different tabs
//and uses back / forward buttons of the browser.
$key = Model::storePaymentData($data);
$paymentSelectUrl = ipRouteUrl('Ecommerce_paymentSelect', array('key' => $key));
return $paymentSelectUrl;
}
