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_Review
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: /**
29:  * Review summary resource model
30:  *
31:  * @category    Mage
32:  * @package     Mage_Review
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Review_Model_Resource_Review_Summary extends Mage_Core_Model_Resource_Db_Abstract
36: {
37:     /**
38:      * Define module
39:      *
40:      */
41:     protected function _construct()
42:     {
43:         $this->_init('review/review_aggregate', 'entity_pk_value');
44:     }
45: 
46:     /**
47:      * Retrieve select object for load object data
48:      *
49:      * @param string $field
50:      * @param mixed $value
51:      * @param Mage_Core_Model_Abstract $object
52:      * @return unknown
53:      */
54:     protected function _getLoadSelect($field, $value, $object)
55:     {
56:         $select = parent::_getLoadSelect($field, $value, $object);
57:         $select->where('store_id = ?', (int)$object->getStoreId());
58:         return $select;
59:     }
60: 
61:     /**
62:      * Reaggregate all data by rating summary
63:      *
64:      * @param array $summary
65:      * @return Mage_Review_Model_Resource_Review_Summary
66:      */
67:     public function reAggregate($summary)
68:     {
69:         $adapter = $this->_getWriteAdapter();
70:         $select = $adapter->select()
71:             ->from($this->getMainTable(),
72:                 array(
73:                     'primary_id' => new Zend_Db_Expr('MAX(primary_id)'),
74:                     'store_id',
75:                     'entity_pk_value'
76:                 ))
77:             ->group(array('entity_pk_value', 'store_id'));
78:         foreach ($adapter->fetchAll($select) as $row) {
79:             if (isset($summary[$row['store_id']]) && isset($summary[$row['store_id']][$row['entity_pk_value']])) {
80:                 $summaryItem = $summary[$row['store_id']][$row['entity_pk_value']];
81:                 if ($summaryItem->getCount()) {
82:                     $ratingSummary = round($summaryItem->getSum() / $summaryItem->getCount());
83:                 } else {
84:                     $ratingSummary = $summaryItem->getSum();
85:                 }
86:             } else {
87:                 $ratingSummary = 0;
88:             }
89:             $adapter->update(
90:                 $this->getMainTable(),
91:                 array('rating_summary' => $ratingSummary),
92:                 $adapter->quoteInto('primary_id = ?', $row['primary_id'])
93:             );
94:         }
95:         return $this;
96:     }
97: }
98: