<?php
/**
* CakePHP(tm) : 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(tm) Project
* @since 3.5.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\ORM\Association;
use Cake\Datasource\EntityInterface;
use Cake\ORM\Association;
/**
* Helper class for cascading deletes in associations.
*
* @internal
*/
class DependentDeleteHelper
{
/**
* Cascade a delete to remove dependent records.
*
* This method does nothing if the association is not dependent.
*
* @param \Cake\ORM\Association $association The association callbacks are being cascaded on.
* @param \Cake\Datasource\EntityInterface $entity The entity that started the cascaded delete.
* @param array $options The options for the original delete.
* @return bool Success.
*/
public function cascadeDelete(Association $association, EntityInterface $entity, array $options = [])
{
if (!$association->getDependent()) {
return true;
}
$table = $association->getTarget();
$foreignKey = array_map([$association, 'aliasField'], (array)$association->getForeignKey());
$bindingKey = (array)$association->getBindingKey();
$conditions = array_combine($foreignKey, $entity->extract($bindingKey));
if ($association->getCascadeCallbacks()) {
foreach ($association->find()->where($conditions)->all()->toList() as $related) {
$table->delete($related, $options);
}
return true;
}
$conditions = array_merge($conditions, $association->getConditions());
return (bool)$table->deleteAll($conditions);
}
}