xref: /webtrees/app/Census/CensusColumnChildrenDied.php (revision 71239cb694d278d044f33328daaa60c8ed7431e9)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2018 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 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Census;
19
20use Fisharebest\Webtrees\Date;
21use Fisharebest\Webtrees\Individual;
22
23/**
24 * The number of children who have died.
25 */
26class CensusColumnChildrenDied 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 $head): string
37    {
38        if ($individual->getSex() !== 'F') {
39            return '';
40        }
41
42        $count = 0;
43        foreach ($individual->getSpouseFamilies() as $family) {
44            foreach ($family->getChildren() as $child) {
45                if (
46                    $child->getBirthDate()->isOK() &&
47                    Date::compare($child->getBirthDate(), $this->date()) < 0 &&
48                    $child->getBirthDate() != $child->getDeathDate() &&
49                    $child->getDeathDate()->isOK() &&
50                    Date::compare($child->getDeathDate(), $this->date()) < 0
51                ) {
52                    $count++;
53                }
54            }
55        }
56
57        return (string) $count;
58    }
59}
60