Part-DB.Part-DB-server/src/Services/LabelSystem/PlaceholderProviders/TimestampableElementProvider.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\Contracts\TimeStampableInterface;
use IntlDateFormatter;
use Locale;

final class TimestampableElementProvider implements PlaceholderProviderInterface
{

    /**
     * @inheritDoc
     */
    public function replace(string $placeholder, object $label_target, array $options = []): ?string
    {
        if ($label_target instanceof TimeStampableInterface) {
            if ($placeholder === '[[LAST_MODIFIED]]') {
                return IntlDateFormatter::formatObject($label_target->getLastModified() ?? new \DateTime(), IntlDateFormatter::SHORT, Locale::getDefault());
            }

            if ($placeholder === '[[CREATION_DATE]]') {
                return IntlDateFormatter::formatObject($label_target->getAddedDate() ?? new \DateTime(), IntlDateFormatter::SHORT, Locale::getDefault());
            }

        }

        return null;
    }
}