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_Admin
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:  * Rules collection
30:  *
31:  * @category    Mage
32:  * @package     Mage_Admin
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Admin_Model_Resource_Rules_Collection extends Mage_Core_Model_Resource_Db_Collection_Abstract
36: {
37:     /**
38:      * Initialize resource model
39:      *
40:      */
41:     protected function _construct()
42:     {
43:         $this->_init('admin/rules');
44:     }
45: 
46:     /**
47:      * Get rules by role id
48:      *
49:      * @param int $id
50:      * @return Mage_Admin_Model_Resource_Rules_Collection
51:      */
52:     public function getByRoles($id)
53:     {
54:         $this->addFieldToFilter('role_id', (int) $id);
55:         return $this;
56:     }
57: 
58:     /**
59:      * Sort by length
60:      *
61:      * @return Mage_Admin_Model_Resource_Rules_Collection
62:      */
63:     public function addSortByLength()
64:     {
65:         $length = $this->getConnection()->getLengthSql('{{resource_id}}');
66:         $this->addExpressionFieldToSelect('length', $length, 'resource_id');
67:         $this->getSelect()->order('length ' . Zend_Db_Select::SQL_DESC);
68: 
69:         return $this;
70:     }
71: }
72: