pictcode / lib / Cake / Model / AclNode.php @ master
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| 1 | 635eef61 | spyder1211 | <?php
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| 2 | /**
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| 3 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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| 4 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 5 | *
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| 6 | * Licensed under The MIT License
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| 7 | * For full copyright and license information, please see the LICENSE.txt
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| 8 | * Redistributions of files must retain the above copyright notice.
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| 9 | *
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| 10 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 11 | * @link http://cakephp.org CakePHP(tm) Project
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| 12 | * @package Cake.Model
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| 13 | * @since CakePHP(tm) v 0.2.9
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| 14 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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| 15 | */
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| 16 | |||
| 17 | App::uses('Model', 'Model'); |
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| 18 | |||
| 19 | /**
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| 20 | * ACL Node
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| 21 | *
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| 22 | * @package Cake.Model
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| 23 | */
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| 24 | class AclNode extends Model { |
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| 25 | |||
| 26 | /**
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| 27 | * Explicitly disable in-memory query caching for ACL models
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| 28 | *
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| 29 | * @var bool
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| 30 | */
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| 31 | public $cacheQueries = false; |
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| 32 | |||
| 33 | /**
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| 34 | * ACL models use the Tree behavior
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| 35 | *
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| 36 | * @var array
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| 37 | */
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| 38 | public $actsAs = array('Tree' => array('type' => 'nested')); |
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| 39 | |||
| 40 | /**
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| 41 | * Constructor
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| 42 | */
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| 43 | public function __construct() { |
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| 44 | $config = Configure::read('Acl.database'); |
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| 45 | if (isset($config)) { |
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| 46 | $this->useDbConfig = $config; |
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| 47 | } |
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| 48 | parent::__construct();
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| 49 | } |
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| 50 | |||
| 51 | /**
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| 52 | * Retrieves the Aro/Aco node for this model
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| 53 | *
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| 54 | * @param string|array|Model $ref Array with 'model' and 'foreign_key', model object, or string value
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| 55 | * @return array Node found in database
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| 56 | * @throws CakeException when binding to a model that doesn't exist.
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| 57 | */
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| 58 | public function node($ref = null) { |
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| 59 | $db = $this->getDataSource(); |
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| 60 | $type = $this->alias; |
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| 61 | $result = null; |
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| 62 | |||
| 63 | if (!empty($this->useTable)) { |
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| 64 | $table = $this->useTable; |
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| 65 | } else {
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| 66 | $table = Inflector::pluralize(Inflector::underscore($type)); |
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| 67 | } |
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| 68 | |||
| 69 | if (empty($ref)) { |
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| 70 | return null; |
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| 71 | } elseif (is_string($ref)) { |
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| 72 | $path = explode('/', $ref); |
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| 73 | $start = $path[0]; |
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| 74 | unset($path[0]); |
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| 75 | |||
| 76 | $queryData = array( |
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| 77 | 'conditions' => array( |
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| 78 | $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft"), |
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| 79 | $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght")), |
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| 80 | 'fields' => array('id', 'parent_id', 'model', 'foreign_key', 'alias'), |
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| 81 | 'joins' => array(array( |
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| 82 | 'table' => $table, |
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| 83 | 'alias' => "{$type}0", |
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| 84 | 'type' => 'INNER', |
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| 85 | 'conditions' => array("{$type}0.alias" => $start) |
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| 86 | )), |
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| 87 | 'order' => $db->name("{$type}.lft") . ' DESC' |
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| 88 | ); |
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| 89 | |||
| 90 | $conditionsAfterJoin = array(); |
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| 91 | |||
| 92 | foreach ($path as $i => $alias) { |
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| 93 | $j = $i - 1; |
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| 94 | |||
| 95 | $queryData['joins'][] = array( |
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| 96 | 'table' => $table, |
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| 97 | 'alias' => "{$type}{$i}", |
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| 98 | 'type' => 'INNER', |
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| 99 | 'conditions' => array( |
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| 100 | $db->name("{$type}{$i}.alias") . ' = ' . $db->value($alias, 'string') |
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| 101 | ) |
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| 102 | ); |
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| 103 | |||
| 104 | // it will be better if this conditions will performs after join operation
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| 105 | $conditionsAfterJoin[] = $db->name("{$type}{$j}.id") . ' = ' . $db->name("{$type}{$i}.parent_id"); |
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| 106 | $conditionsAfterJoin[] = $db->name("{$type}{$i}.rght") . ' < ' . $db->name("{$type}{$j}.rght"); |
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| 107 | $conditionsAfterJoin[] = $db->name("{$type}{$i}.lft") . ' > ' . $db->name("{$type}{$j}.lft"); |
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| 108 | |||
| 109 | $queryData['conditions'] = array('or' => array( |
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| 110 | $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft") . ' AND ' . $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght"), |
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| 111 | $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}{$i}.lft") . ' AND ' . $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}{$i}.rght")) |
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| 112 | ); |
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| 113 | } |
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| 114 | $queryData['conditions'] = array_merge($queryData['conditions'], $conditionsAfterJoin); |
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| 115 | $result = $db->read($this, $queryData, -1); |
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| 116 | $path = array_values($path); |
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| 117 | |||
| 118 | if (!isset($result[0][$type]) || |
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| 119 | (!empty($path) && $result[0][$type]['alias'] != $path[count($path) - 1]) || |
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| 120 | (empty($path) && $result[0][$type]['alias'] != $start) |
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| 121 | ) {
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| 122 | return false; |
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| 123 | } |
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| 124 | } elseif (is_object($ref) && $ref instanceof Model) { |
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| 125 | $ref = array('model' => $ref->name, 'foreign_key' => $ref->id); |
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| 126 | } elseif (is_array($ref) && !(isset($ref['model']) && isset($ref['foreign_key']))) { |
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| 127 | $name = key($ref); |
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| 128 | list(, $alias) = pluginSplit($name); |
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| 129 | |||
| 130 | $model = ClassRegistry::init(array('class' => $name, 'alias' => $alias)); |
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| 131 | |||
| 132 | if (empty($model)) { |
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| 133 | throw new CakeException('cake_dev', "Model class '%s' not found in AclNode::node() when trying to bind %s object", $type, $this->alias); |
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| 134 | } |
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| 135 | |||
| 136 | $tmpRef = null; |
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| 137 | if (method_exists($model, 'bindNode')) { |
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| 138 | $tmpRef = $model->bindNode($ref); |
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| 139 | } |
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| 140 | if (empty($tmpRef)) { |
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| 141 | $ref = array('model' => $alias, 'foreign_key' => $ref[$name][$model->primaryKey]); |
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| 142 | } else {
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| 143 | if (is_string($tmpRef)) { |
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| 144 | return $this->node($tmpRef); |
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| 145 | } |
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| 146 | $ref = $tmpRef; |
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| 147 | } |
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| 148 | } |
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| 149 | if (is_array($ref)) { |
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| 150 | if (is_array(current($ref)) && is_string(key($ref))) { |
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| 151 | $name = key($ref); |
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| 152 | $ref = current($ref); |
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| 153 | } |
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| 154 | foreach ($ref as $key => $val) { |
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| 155 | if (strpos($key, $type) !== 0 && strpos($key, '.') === false) { |
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| 156 | unset($ref[$key]); |
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| 157 | $ref["{$type}0.{$key}"] = $val; |
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| 158 | } |
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| 159 | } |
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| 160 | $queryData = array( |
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| 161 | 'conditions' => $ref, |
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| 162 | 'fields' => array('id', 'parent_id', 'model', 'foreign_key', 'alias'), |
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| 163 | 'joins' => array(array( |
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| 164 | 'table' => $table, |
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| 165 | 'alias' => "{$type}0", |
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| 166 | 'type' => 'INNER', |
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| 167 | 'conditions' => array( |
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| 168 | $db->name("{$type}.lft") . ' <= ' . $db->name("{$type}0.lft"), |
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| 169 | $db->name("{$type}.rght") . ' >= ' . $db->name("{$type}0.rght") |
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| 170 | ) |
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| 171 | )), |
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| 172 | 'order' => $db->name("{$type}.lft") . ' DESC' |
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| 173 | ); |
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| 174 | $result = $db->read($this, $queryData, -1); |
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| 175 | |||
| 176 | if (!$result) { |
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| 177 | throw new CakeException(__d('cake_dev', "AclNode::node() - Couldn't find %s node identified by \"%s\"", $type, print_r($ref, true))); |
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| 178 | } |
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| 179 | } |
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| 180 | return $result; |
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| 181 | } |
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| 182 | |||
| 183 | } |