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\Age;
23use Fisharebest\Webtrees\Date;
24use Fisharebest\Webtrees\I18N;
25use Fisharebest\Webtrees\Individual;
26
27/**
28 * For how many years has the individual been married.
29 */
30class CensusColumnYearsMarried extends AbstractCensusColumn implements CensusColumnInterface
31{
32    /**
33     * Generate the likely value of this census column, based on available information.
34     *
35     * @param Individual $individual
36     * @param Individual $head
37     *
38     * @return string
39     */
40    public function generate(Individual $individual, Individual $head): string
41    {
42        $marriage_date = null;
43
44        foreach ($individual->spouseFamilies() as $family) {
45            foreach ($family->facts(['MARR'], true) as $fact) {
46                if ($fact->date()->isOK() && Date::compare($fact->date(), $this->date()) <= 0) {
47                    $marriage_date = $fact->date();
48                }
49            }
50        }
51
52        if ($marriage_date === null) {
53            return '';
54        }
55
56        $age = new Age($marriage_date, $this->date());
57
58        return I18N::number($age->ageYears());
59    }
60}
61