Part-DB.Part-DB-server/src/Services/LabelSystem/PlaceholderProviders/AbstractDBElementProvider.php

<?php
/**
 * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
 *
 * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
 *
 * 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/>.
 */

namespace App\Services\LabelSystem\PlaceholderProviders;


use App\Entity\Base\AbstractDBElement;
use App\Services\ElementTypeNameGenerator;

class AbstractDBElementProvider implements PlaceholderProviderInterface
{
    protected $elementTypeNameGenerator;

    public function __construct(ElementTypeNameGenerator $elementTypeNameGenerator)
    {
        $this->elementTypeNameGenerator = $elementTypeNameGenerator;
    }

    /**
     * @inheritDoc
     */
    public function replace(string $placeholder, object $label_target, array $options = []): ?string
    {
        if ($label_target instanceof AbstractDBElement) {

            if ($placeholder === '[[TYPE]]') {
                return $this->elementTypeNameGenerator->getLocalizedTypeLabel($label_target);
            }

            if ($placeholder === '[[ID]]') {
                return (string) ($label_target->getID() ?? 'unknown');
            }

        }

        return null;
    }
}