xref: /webtrees/app/Census/CensusColumnRelationToHead.php (revision 94db7d2d27c3ad6a04fceebbdcb98e28e97649b3)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 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\Census;
21
22use Fisharebest\Webtrees\Individual;
23use Fisharebest\Webtrees\Services\RelationshipService;
24
25use function app;
26use function assert;
27
28/**
29 * Relationship to head of household.
30 */
31class CensusColumnRelationToHead extends AbstractCensusColumn implements CensusColumnInterface
32{
33    protected const HEAD_OF_HOUSEHOLD = '-';
34
35    /**
36     * Generate the likely value of this census column, based on available information.
37     *
38     * @param Individual $individual
39     * @param Individual $head
40     *
41     * @return string
42     */
43    public function generate(Individual $individual, Individual $head): string
44    {
45        if ($individual === $head) {
46            return static::HEAD_OF_HOUSEHOLD;
47        }
48
49        $relationship_service = app(RelationshipService::class);
50        assert($relationship_service instanceof RelationshipService);
51
52        return $relationship_service->getCloseRelationshipName($head, $individual);
53    }
54}
55