File Core/src/Model/Action/AddRelatedObjectsAction.php | BEdita API doc

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<?php
/**
 * BEdita, API-first content management framework
 * Copyright 2017 ChannelWeb Srl, Chialab Srl
 *
 * This file is part of BEdita: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details.
 */

namespace BEdita\Core\Model\Action;

use BEdita\Core\ORM\Association\RelatedTo;
use Cake\Datasource\EntityInterface;

/**
 * Command to add relations between objects.
 *
 * @since 4.0.0
 */
class AddRelatedObjectsAction extends UpdateRelatedObjectsAction
{
    use AssociatedTrait;

    /**
     * {@inheritDoc}
     *
     * @return array|false
     */
    protected function update(EntityInterface $entity, $relatedEntities)
    {
        if (!($this->Association instanceof RelatedTo)) {
            $action = new AddAssociatedAction($this->getConfig());

            return $action->execute(compact('entity', 'relatedEntities'));
        }

        return $this->Association->getConnection()->transactional(function () use ($entity, $relatedEntities) {
            $relatedEntities = $this->diff($entity, $relatedEntities, false);

            if (!$this->Association->link($entity, $relatedEntities)) {
                return false;
            }

            return collection($relatedEntities)
                ->extract($this->Association->getBindingKey())
                ->toList();
        });
    }
}

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