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 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Census; 21 22use Fisharebest\Webtrees\Date; 23use Fisharebest\Webtrees\Family; 24use Fisharebest\Webtrees\Individual; 25 26/** 27 * The number of children who are still living. 28 */ 29class CensusColumnChildrenLiving extends AbstractCensusColumn implements CensusColumnInterface 30{ 31 /** 32 * Generate the likely value of this census column, based on available information. 33 * 34 * @param Individual $individual 35 * @param Individual $head 36 * 37 * @return string 38 */ 39 public function generate(Individual $individual, Individual $head): string 40 { 41 $family = $this->spouseFamily($individual); 42 43 if ($family === null || $individual->sex() !== 'F') { 44 return ''; 45 } 46 47 return (string) $family->children() 48 ->filter(function (Individual $child): bool { 49 $birth = $child->getBirthDate(); 50 $death = $child->getDeathDate(); 51 52 $born_before = $birth->isOK() && Date::compare($birth, $this->date()) < 0; 53 $died_after = $death->isOK() && Date::compare($death, $this->date()) > 0 || !$death->isOK(); 54 55 return $born_before && $died_after; 56 }) 57 ->count(); 58 } 59} 60