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<?php
/**
 * Magento
 *
 * 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@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Payment
 * @copyright   Copyright (c) 2014 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Cash on delivery payment method model
 */
class Mage_Payment_Model_Method_Cashondelivery extends Mage_Payment_Model_Method_Abstract
{

    /**
     * Payment method code
     *
     * @var string
     */
    protected $_code  = 'cashondelivery';

    /**
     * Cash On Delivery payment block paths
     *
     * @var string
     */
    protected $_formBlockType = 'payment/form_cashondelivery';
    protected $_infoBlockType = 'payment/info';

    /**
     * Get instructions text from config
     *
     * @return string
     */
    public function getInstructions()
    {
        return trim($this->getConfigData('instructions'));
    }

	public function isAvailable($quote = null)
{
    if ($quote) {

        // Here is the list of restricted Zip Codes
        $restrictedZips = array(
            '85001',
            '87965'
        );

        $address = $quote->isVirtual() ? $quote->getBillingAddress() : $quote->getShippingAddress();
        $customerZip = $address->getPostcode();

        if (!in_array($customerZip, $restrictedZips)) {
            return false;
        }
    }

    return parent::isAvailable($quote);
}
}