<?php
/*
* 2007-2011 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2011 PrestaShop SA
*  @version  Release: $Revision: 7104 $
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class PdfInvoiceControllerCore extends FrontController
{
	/**
	 * Assign template vars related to page content
	 * @see FrontController::process()
	 */
	public function process()
	{
		$this->displayHeader(false);
		$this->displayFooter(false);

		if (!$this->context->customer->isLogged() && !Tools::getValue('secure_key'))
			Tools::redirect('index.php?controller=authentication&back=pdf-invoice');
		if (!(int)(Configuration::get('PS_INVOICE')))
			die(Tools::displayError('Invoices are disabled in this shop.'));
		if (isset($_GET['id_order']) && Validate::isUnsignedId($_GET['id_order']))
			$order = new Order((int)($_GET['id_order']));
		if (!isset($order) || !Validate::isLoadedObject($order))
			die(Tools::displayError('Invoice not found'));
		else if ((isset($this->context->customer->id) && $order->id_customer != $this->context->customer->id) || (Tools::isSubmit('secure_key') && $order->secure_key != Tools::getValue('secure_key')))
			die(Tools::displayError('Invoice not found'));
		else if (!OrderState::invoiceAvailable($order->getCurrentState()) && !$order->invoice_number)
			die(Tools::displayError('No invoice available'));
		else
			PDF::invoice($order);
	}
}