xref: /webtrees/app/Census/CensusColumnChildrenDied.php (revision 873953697c930fadbf3243d2b8c0029fd684da0e)
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 */
16
17namespace Fisharebest\Webtrees\Census;
18
19use Fisharebest\Webtrees\Date;
20use Fisharebest\Webtrees\Individual;
21
22/**
23 * The number of children who have died.
24 */
25class CensusColumnChildrenDied extends AbstractCensusColumn implements CensusColumnInterface
26{
27    /**
28     * Generate the likely value of this census column, based on available information.
29     *
30     * @param Individual $individual
31     * @param Individual $head
32     *
33     * @return string
34     */
35    public function generate(Individual $individual, Individual $head): string
36    {
37        if ($individual->getSex() !== 'F') {
38            return '';
39        }
40
41        $count = 0;
42        foreach ($individual->getSpouseFamilies() as $family) {
43            foreach ($family->getChildren() as $child) {
44                if (
45                    $child->getBirthDate()->isOK() &&
46                    Date::compare($child->getBirthDate(), $this->date()) < 0 &&
47                    $child->getBirthDate() != $child->getDeathDate() &&
48                    $child->getDeathDate()->isOK() &&
49                    Date::compare($child->getDeathDate(), $this->date()) < 0
50                ) {
51                    $count++;
52                }
53            }
54        }
55
56        return (string)$count;
57    }
58}
59