xref: /webtrees/app/Elements/GovIdentifier.php (revision cfb84ff6ed17b5cbf0afb82e6dc7c9f1f86e4432)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 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\Tree;
23
24use function e;
25use function rawurlencode;
26use function strtoupper;
27
28/**
29 * A custom field used in _LOC records
30 */
31class GovIdentifier extends AbstractElement
32{
33    protected const EXTERNAL_URL = 'https://gov.genealogy.net/item/show/';
34
35    protected const MAXIMUM_LENGTH = 12;
36
37    /**
38     * Display the value of this type of element.
39     *
40     * @param string $value
41     * @param Tree   $tree
42     *
43     * @return string
44     */
45    public function value(string $value, Tree $tree): string
46    {
47        $canonical = $this->canonical($value);
48        $url       = static::EXTERNAL_URL . rawurlencode($canonical);
49
50        return '<a dir="ltr" href="' . e($url) . '" rel="nofollow">' . e($canonical) . '</a>';
51    }
52}
53