GroupsUserBehavior.php

<?php
/**
 * GroupsUser Behavior
 *
 * @author Masaki Goto <go8ogle@gmail.com>
 * @link http://www.netcommons.org NetCommons Project
 * @license http://www.netcommons.org/license.txt NetCommons License
 * @copyright Copyright 2016, NetCommons Project
 */

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

/**
 * GroupsUser Behavior
 *
 * 選択したユーザを登録
 *
 * @author Masaki Goto <go8ogle@gmail.com>
 * @link http://www.netcommons.org NetCommons Project
 * @license http://www.netcommons.org/license.txt NetCommons License
 */
class GroupsUserBehavior extends ModelBehavior {

/**
 * beforeValidate is called before a model is validated, you can use this callback to
 * add behavior validation rules into a models validate array. Returning false
 * will allow you to make the validation fail.
 *
 * @param Model $model Model using this behavior
 * @param array $options Options passed from Model::save().
 * @return mixed False or null will abort the operation. Any other result will continue.
 * @see Model::save()
 */
	public function beforeValidate(Model $model, $options = array()) {
		$model->loadModels(array(
			'Group' => 'Groups.Group',
			'GroupsUser' => 'Groups.GroupsUser',
		));

		$model->Group->set($model->Group->data['Group']);

		if (! isset($model->data['GroupsUser']['user_id'])) {
			$model->data['GroupsUser']['user_id'] = array();
		}
		$validUsers = array();
		foreach ($model->data['GroupsUser']['user_id'] as $userId) {
			if (! $model->GroupsUser->isExists($userId)) {
				continue;
			}
			$validUsers[] = $userId;
		}
		$model->data['GroupsUser']['user_id'] = $validUsers;
		$model->GroupsUser->set($model->data['GroupsUser']);
		if (! $model->GroupsUser->validates()) {
				$model->validationErrors = Hash::merge($model->validationErrors, $model->GroupsUser->validationErrors);
				return false;
		}

		return true;
	}

}