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<?php |
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declare(strict_types=1); |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2022 Atlas Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace BEdita\Placeholders\Model\Behavior; |
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use BEdita\Core\Exception\LockedResourceException; |
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use Cake\Datasource\EntityInterface; |
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use Cake\Event\Event; |
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use Cake\ORM\Behavior; |
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use Cake\Utility\Hash; |
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/** |
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* Placeholded behavior |
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*/ |
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class PlaceholdedBehavior extends Behavior |
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{ |
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use GetAssociationTrait; |
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/** |
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* Default configurations. Available configurations include: |
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* |
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* - `relations`: names of the BEdita relations to check. |
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* |
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* @var array<string, mixed> |
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*/ |
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protected $_defaultConfig = [ |
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'relations' => ['placeholded'], |
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]; |
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/** |
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* Lock entity from being soft-deleted if it is placeholded somewhere. |
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* |
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* @param \Cake\Event\Event $event Dispatched event. |
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* @param \Cake\Datasource\EntityInterface $entity Entity being saved. |
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* @return void |
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*/ |
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public function beforeSave(Event $event, EntityInterface $entity): void |
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{ |
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if (!$entity->isDirty('deleted') || !$entity->get('deleted')) { |
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return; |
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} |
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$this->ensureNotPlaceholded($entity); |
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} |
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/** |
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* Ensure an entity does not appear as a placeholder. |
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* |
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* @param \Cake\Datasource\EntityInterface $entity Entity being checked. |
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* @return void |
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* @throws \BEdita\Core\Exception\LockedResourceException |
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*/ |
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protected function ensureNotPlaceholded(EntityInterface $entity): void |
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{ |
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$Table = $this->table(); |
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$relations = $this->getConfig('relations', []); |
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foreach ($relations as $relation) { |
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$association = $this->getAssociation($relation); |
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if ($association === null) { |
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continue; |
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} |
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$refCount = $Table->find() |
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->select(['existing' => 1]) |
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->where((array)array_combine( |
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array_map([$Table, 'aliasField'], (array)$Table->getPrimaryKey()), |
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$entity->extract((array)$Table->getPrimaryKey()) |
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)) |
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->innerJoinWith($association->getName()) |
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->count(); |
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if ($refCount > 0) { |
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throw new LockedResourceException(__d( |
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'placeholders', |
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'Cannot delete object {0} because it is still {1} in {2,plural,=1{one object} other{# objects}}', |
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(string)Hash::get($entity, 'id'), |
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$relation, |
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$refCount |
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)); |
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} |
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} |
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} |
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} |
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bedita /
placeholders
