pictcode

<?php

/**

 * ACL behavior class.

 *

 * Enables objects to easily tie into an ACL system

 *

 * CakePHP :  Rapid Development Framework (http://cakephp.org)

 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 *

 * Licensed under The MIT License

 * For full copyright and license information, please see the LICENSE.txt

 * Redistributions of files must retain the above copyright notice.

 *

 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 * @link          http://cakephp.org CakePHP Project

 * @package       Cake.Model.Behavior

 * @since         CakePHP v 1.2.0.4487

 * @license       http://www.opensource.org/licenses/mit-license.php MIT License

 */

App::uses('ModelBehavior', 'Model');

App::uses('AclNode', 'Model');

App::uses('Hash', 'Utility');

/**

 * ACL behavior

 *

 * Enables objects to easily tie into an ACL system

 *

 * @package       Cake.Model.Behavior

 * @link http://book.cakephp.org/2.0/en/core-libraries/behaviors/acl.html

 */

class AclBehavior extends ModelBehavior {

/**

 * Maps ACL type options to ACL models

 *

 * @var array

 */

        protected $_typeMaps = array('requester' => 'Aro', 'controlled' => 'Aco', 'both' => array('Aro', 'Aco'));

/**

 * Sets up the configuration for the model, and loads ACL models if they haven't been already

 *

 * @param Model $model Model using this behavior.

 * @param array $config Configuration options.

 * @return void

 */

        public function setup(Model $model, $config = array()) {

                if (isset($config[0])) {

                        $config['type'] = $config[0];

                        unset($config[0]);

                }

                $this->settings[$model->name] = array_merge(array('type' => 'controlled'), $config);

                $this->settings[$model->name]['type'] = strtolower($this->settings[$model->name]['type']);

                $types = $this->_typeMaps[$this->settings[$model->name]['type']];

                if (!is_array($types)) {

                        $types = array($types);

                }

                foreach ($types as $type) {

                        $model->{$type} = ClassRegistry::init($type);

                }

                if (!method_exists($model, 'parentNode')) {

                        trigger_error(__d('cake_dev', 'Callback %s not defined in %s', 'parentNode()', $model->alias), E_USER_WARNING);

                }

        }

/**

 * Retrieves the Aro/Aco node for this model

 *

 * @param Model $model Model using this behavior.

 * @param string|array|Model $ref Array with 'model' and 'foreign_key', model object, or string value

 * @param string $type Only needed when Acl is set up as 'both', specify 'Aro' or 'Aco' to get the correct node

 * @return array

 * @link http://book.cakephp.org/2.0/en/core-libraries/behaviors/acl.html#node

 */

        public function node(Model $model, $ref = null, $type = null) {

                if (empty($type)) {

                        $type = $this->_typeMaps[$this->settings[$model->name]['type']];

                        if (is_array($type)) {

                                trigger_error(__d('cake_dev', 'AclBehavior is setup with more then one type, please specify type parameter for node()'), E_USER_WARNING);

                                return array();

                        }

                }

                if (empty($ref)) {

                        $ref = array('model' => $model->name, 'foreign_key' => $model->id);

                }

                return $model->{$type}->node($ref);

        }

/**

 * Creates a new ARO/ACO node bound to this record

 *

 * @param Model $model Model using this behavior.

 * @param bool $created True if this is a new record

 * @param array $options Options passed from Model::save().

 * @return void

 */

        public function afterSave(Model $model, $created, $options = array()) {

                $types = $this->_typeMaps[$this->settings[$model->name]['type']];

                if (!is_array($types)) {

                        $types = array($types);

                }

                foreach ($types as $type) {

                        $parent = $model->parentNode($type);

                        if (!empty($parent)) {

                                $parent = $this->node($model, $parent, $type);

                        }

                        $data = array(

                                'parent_id' => isset($parent[0][$type]['id']) ? $parent[0][$type]['id'] : null,

                                'model' => $model->name,

                                'foreign_key' => $model->id

                        );

                        if (!$created) {

                                $node = $this->node($model, null, $type);

                                $data['id'] = isset($node[0][$type]['id']) ? $node[0][$type]['id'] : null;

                        }

                        $model->{$type}->create();

                        $model->{$type}->save($data);

                }

        }

/**

 * Destroys the ARO/ACO node bound to the deleted record

 *

 * @param Model $model Model using this behavior.

 * @return void

 */

        public function afterDelete(Model $model) {

                $types = $this->_typeMaps[$this->settings[$model->name]['type']];

                if (!is_array($types)) {

                        $types = array($types);

                }

                foreach ($types as $type) {

                        $node = Hash::extract($this->node($model, null, $type), "0.{$type}.id");

                        if (!empty($node)) {

                                $model->{$type}->delete($node);

                        }

                }

        }

}