<?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_Sales
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Order entity resource model with aggregation by updated at
 *
 * @category    Mage
 * @package     Mage_Sales
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Sales_Model_Resource_Report_Order_Updatedat extends Mage_Sales_Model_Resource_Report_Order_Createdat
{
    /**
     * Model initialization
     *
     */
    protected function _construct()
    {
        $this->_init('sales/order_aggregated_updated', 'id');
    }

    /**
     * Aggregate Orders data by order updated at
     *
     * @param mixed $from
     * @param mixed $to
     * @return Mage_Sales_Model_Resource_Report_Order_Updatedat
     */
    public function aggregate($from = null, $to = null)
    {
        return $this->_aggregateByField('updated_at', $from, $to);
    }
}