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Path: /data/applications/aps/magento/1.1.3-2/standard/htdocs/app/code/core/Mage/Reports/Model/ [ Home ]
File: Totals.php
<?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.
 *
 * @category   Mage
 * @package    Mage_Reports
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 *  Totals Class
 *
 * @category   Mage
 * @package    Mage_Reports
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Reports_Model_Totals
{
    public function countTotals($grid, $from, $to)
    {
        $columns = array();
        foreach ($grid->getColumns() as $col)
            $columns[$col->getIndex()] = array("total" => $col->getTotal(), "value" => 0);

        $count = 0;
        $report = $grid->getCollection()->getReportFull($from, $to);
        foreach ($report as $item)
        {
            $data = $item->getData();
            foreach ($columns as $field=>$a){
                if ($field !== '') {
                    $columns[$field]['value'] = $columns[$field]['value'] + (isset($data[$field]) ? $data[$field] : 0);
                }
            }
            $count++;
        }
        $data = array();
        foreach ($columns as $field=>$a)
        {
            if ($a['total'] == 'avg') {
                if ($field !== '') {
                    if ($count != 0) {
                        $data[$field] = $a['value']/$count;
                    } else {
                        $data[$field] = 0;
                    }
                }
            } else if ($a['total'] == 'sum') {
                if ($field !== '') {
                    $data[$field] = $a['value'];
                }
            } else if (strpos($a['total'], '/') !== FALSE) {
                if ($field !== '') {
                    $data[$field] = 0;
                }
            }
        }

        $totals = new Varien_Object();

        $totals->setData($data);

        return $totals;
    }
}