<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM – Open Source CRM application.
 * Copyright (C) 2014-2024 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
 * Website: https://www.espocrm.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Core\FieldProcessing\LinkParent;

use Espo\ORM\Entity;

use Espo\Core\FieldProcessing\Loader as LoaderInterface;
use Espo\Core\FieldProcessing\Loader\Params;
use Espo\Core\ORM\EntityManager;

/**
 * @implements LoaderInterface<Entity>
 */
class TargetLoader implements LoaderInterface
{
    public function __construct(private EntityManager $entityManager)
    {}

    public function process(Entity $entity, Params $params): void
    {
        $targetType = $entity->get('targetType');
        $targetId = $entity->get('targetId');

        if (!$targetType || !$targetId) {
            return;
        }

        if (!$this->entityManager->hasRepository($targetType)) {
            return;
        }

        $query = $this->entityManager
            ->getQueryBuilder()
            ->select()
            ->from($targetType)
            ->withDeleted()
            ->where([
                'id' => $targetId,
            ])
            ->build();

        $target = $this->entityManager
            ->getRDBRepository($targetType)
            ->clone($query)
            ->findOne();

        if (!$target) {
            return;
        }

        if (!$target->get('name')) {
            return;
        }

        $entity->set('targetName', $target->get('name'));
    }
}
