xref: /webtrees/app/Census/CensusColumnYearsMarried.php (revision ba1d7494e9648df5a87aaa3fece3e098e5ce26b1)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Census;
21
22use Fisharebest\Webtrees\Date;
23use Fisharebest\Webtrees\Individual;
24
25/**
26 * For how many years has the individual been married.
27 */
28class CensusColumnYearsMarried extends AbstractCensusColumn implements CensusColumnInterface
29{
30    /**
31     * Generate the likely value of this census column, based on available information.
32     *
33     * @param Individual $individual
34     * @param Individual $head
35     *
36     * @return string
37     */
38    public function generate(Individual $individual, Individual $head): string
39    {
40        $marriage_date = null;
41
42        foreach ($individual->spouseFamilies() as $family) {
43            foreach ($family->facts(['MARR'], true) as $fact) {
44                if ($fact->date()->isOK() && Date::compare($fact->date(), $this->date()) <= 0) {
45                    $marriage_date = $fact->date();
46                }
47            }
48        }
49
50        if ($marriage_date === null) {
51            return '';
52        }
53
54        return (string) Date::getAgeYears($marriage_date, $this->date());
55    }
56}
57