xref: /webtrees/app/Census/CensusColumnChildrenDied.php (revision 369c0ce6d43eee62858778711fa4744ed347814a)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2016 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 */
16namespace Fisharebest\Webtrees\Census;
17
18use Fisharebest\Webtrees\Date;
19use Fisharebest\Webtrees\Individual;
20
21/**
22 * The number of children who have died.
23 */
24class CensusColumnChildrenDied 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|null $head
30	 *
31	 * @return string
32	 */
33	public function generate(Individual $individual, Individual $head = null) {
34		if ($individual->getSex() !== 'F') {
35			return '';
36		}
37
38		$count = 0;
39		foreach ($individual->getSpouseFamilies() as $family) {
40			foreach ($family->getChildren() as $child) {
41				if (
42					$child->getBirthDate()->isOK() &&
43					Date::compare($child->getBirthDate(), $this->date()) < 0 &&
44					$child->getBirthDate() != $child->getDeathDate() &&
45					$child->getDeathDate()->isOK() &&
46					Date::compare($child->getDeathDate(), $this->date()) < 0
47				) {
48					$count++;
49				}
50			}
51		}
52
53		return (string) $count;
54	}
55}
56