<?php

class App_ECommerce_Order_Admin_Summary_Obj extends App_ECommerce_Checkout_Abstract_Obj
{
    public function isValidTab($restAlias)
    {
        $restParams = explode('/', $restAlias);
        if (ctype_digit($restParams[1])) {
            $this->setPrimaryKey((int) $restParams[1]);
            return $this->isValidPage();
        }
        return false;
    }

    public function isValidPage()
    {
        $session = new Qs_Session_Namespace(App_ECommerce_Order_Admin_Payment_View::PAYMENT_SESSION_NAME);
        return !empty($session->{$this->getPrimaryKey()});
    }

    public function cancelTransaction()
    {
        return $this;
    }
}