1: <?php
 2: /**
 3:  * Magento
 4:  *
 5:  * NOTICE OF LICENSE
 6:  *
 7:  * This source file is subject to the Open Software License (OSL 3.0)
 8:  * that is bundled with this package in the file LICENSE.txt.
 9:  * It is also available through the world-wide-web at this URL:
10:  * http://opensource.org/licenses/osl-3.0.php
11:  * If you did not receive a copy of the license and are unable to
12:  * obtain it through the world-wide-web, please send an email
13:  * to license@magentocommerce.com so we can send you a copy immediately.
14:  *
15:  * DISCLAIMER
16:  *
17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
18:  * versions in the future. If you wish to customize Magento for your
19:  * needs please refer to http://www.magentocommerce.com for more information.
20:  *
21:  * @category    Mage
22:  * @package     Mage_Reports
23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
25:  */
26: 
27: /**
28:  *  Totals Class
29:  *
30:  * @category   Mage
31:  * @package    Mage_Reports
32:  * @author      Magento Core Team <core@magentocommerce.com>
33:  */
34: class Mage_Reports_Model_Totals
35: {
36:     /**
37:      * Retrieve count totals
38:      *
39:      * @param Mage_Adminhtml_Block_Report_Grid $grid
40:      * @param string $from
41:      * @param string $to
42:      * @return Varien_Object
43:      */
44:     public function countTotals($grid, $from, $to)
45:     {
46:         $columns = array();
47:         foreach ($grid->getColumns() as $col) {
48:             $columns[$col->getIndex()] = array("total" => $col->getTotal(), "value" => 0);
49:         }
50: 
51:         $count = 0;
52:         $report = $grid->getCollection()->getReportFull($from, $to);
53:         foreach ($report as $item) {
54:             if ($grid->getSubReportSize() && $count >= $grid->getSubReportSize()) {
55:                 continue;
56:             }
57:             $data = $item->getData();
58: 
59:             foreach ($columns as $field=>$a) {
60:                 if ($field !== '') {
61:                     $columns[$field]['value'] = $columns[$field]['value'] + (isset($data[$field]) ? $data[$field] : 0);
62:                 }
63:             }
64:             $count++;
65:         }
66:         $data = array();
67:         foreach ($columns as $field => $a) {
68:             if ($a['total'] == 'avg') {
69:                 if ($field !== '') {
70:                     if ($count != 0) {
71:                         $data[$field] = $a['value']/$count;
72:                     } else {
73:                         $data[$field] = 0;
74:                     }
75:                 }
76:             } else if ($a['total'] == 'sum') {
77:                 if ($field !== '') {
78:                     $data[$field] = $a['value'];
79:                 }
80:             } else if (strpos($a['total'], '/') !== FALSE) {
81:                 if ($field !== '') {
82:                     $data[$field] = 0;
83:                 }
84:             }
85:         }
86: 
87:         $totals = new Varien_Object();
88:         $totals->setData($data);
89: 
90:         return $totals;
91:     }
92: }
93: