xref: /webtrees/app/Elements/PafUid.php (revision d35568b467207589ea9059739da0bf1f7e785a0d)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Elements;
21
22use Fisharebest\Webtrees\Registry;
23use Fisharebest\Webtrees\Tree;
24
25/**
26 * _UID fields, as created by PAF and other applications
27 */
28class PafUid extends AbstractElement
29{
30    protected const MAXIMUM_LENGTH = 34;
31
32    /**
33     * Create a default value for this element.
34     *
35     * @param Tree $tree
36     *
37     * @return string
38     */
39    public function default(Tree $tree): string
40    {
41        if ($tree->getPreference('GENERATE_UIDS') === '1') {
42            return Registry::idFactory()->pafUid();
43        }
44
45        return '';
46    }
47}
48