xref: /webtrees/app/Census/CensusColumnMonthIfBornWithinYear.php (revision 3976b4703df669696105ed6b024b96d433c8fbdb)
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 */
17declare(strict_types=1);
18
19namespace Fisharebest\Webtrees\Census;
20
21use Fisharebest\Webtrees\Individual;
22
23/**
24 * The month of birth, if within the last year.
25 */
26class CensusColumnMonthIfBornWithinYear extends AbstractCensusColumn implements CensusColumnInterface
27{
28    /**
29     * Generate the likely value of this census column, based on available information.
30     *
31     * @param Individual $individual
32     * @param Individual $head
33     *
34     * @return string
35     */
36    public function generate(Individual $individual, Individual $head): string
37    {
38        $birth_jd  = $individual->getBirthDate()->julianDay();
39        $census_jd = $this->date()->julianDay();
40        if ($birth_jd <= $census_jd && $birth_jd >= $census_jd - 365) {
41            // Use the GEDCOM month, as we need this in English - for the US census
42            return ucfirst(strtolower($individual->getBirthDate()->minimumDate()->format('%O')));
43        }
44
45        return '';
46    }
47}
48