xref: /webtrees/app/Census/CensusColumnMonthIfBornWithinYear.php (revision 0a016d046f63b3b1ece7ec913216782c17f0cbad)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2017 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17namespace Fisharebest\Webtrees\Census;
18
19use Fisharebest\Webtrees\Individual;
20
21/**
22 * The month of birth, if within the last year.
23 */
24class CensusColumnMonthIfBornWithinYear extends AbstractCensusColumn implements CensusColumnInterface {
25	/**
26	 * Generate the likely value of this census column, based on available information.
27	 *
28	 * @param Individual $individual
29	 * @param Individual $head
30	 *
31	 * @return string
32	 */
33	public function generate(Individual $individual, Individual $head = null) {
34		$birth_jd  = $individual->getBirthDate()->julianDay();
35		$census_jd = $this->date()->julianDay();
36		if ($birth_jd <= $census_jd && $birth_jd >= $census_jd - 365) {
37			// Use the GEDCOM month, as we need this in English - for the US census
38			return ucfirst(strtolower($individual->getBirthDate()->minimumDate()->format('%O')));
39		} else {
40			return '';
41		}
42	}
43}
44