1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2021 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 <https://www.gnu.org/licenses/>. 16 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Statistics\Google; 21 22use Fisharebest\Webtrees\I18N; 23use Fisharebest\Webtrees\Statistics\Service\CenturyService; 24use Fisharebest\Webtrees\Tree; 25use Illuminate\Database\Capsule\Manager as DB; 26use Illuminate\Database\Query\JoinClause; 27 28use function view; 29 30/** 31 * A chart showing the number of families with no children by century. 32 */ 33class ChartNoChildrenFamilies 34{ 35 private Tree $tree; 36 37 private CenturyService $century_service; 38 39 /** 40 * @param CenturyService $century_service 41 * @param Tree $tree 42 */ 43 public function __construct(CenturyService $century_service, Tree $tree) 44 { 45 $this->century_service = $century_service; 46 $this->tree = $tree; 47 } 48 49 /** 50 * Returns the related database records. 51 * 52 * @param int $year1 53 * @param int $year2 54 * 55 * @return array<object> 56 */ 57 private function queryRecords(int $year1, int $year2): array 58 { 59 $query = DB::table('families') 60 ->selectRaw('ROUND((d_year + 49) / 100) AS century') 61 ->selectRaw('COUNT(*) AS total') 62 ->join('dates', static function (JoinClause $join): void { 63 $join->on('d_file', '=', 'f_file') 64 ->on('d_gid', '=', 'f_id'); 65 }) 66 ->where('f_file', '=', $this->tree->id()) 67 ->where('f_numchil', '=', 0) 68 ->where('d_fact', '=', 'MARR') 69 ->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@']) 70 ->groupBy(['century']) 71 ->orderBy('century'); 72 73 if ($year1 >= 0 && $year2 >= 0) { 74 $query->whereBetween('d_year', [$year1, $year2]); 75 } 76 77 return $query->get()->all(); 78 } 79 80 /** 81 * Create a chart of children with no families. 82 * 83 * @param int $no_child_fam The number of families with no children 84 * @param int $year1 85 * @param int $year2 86 * 87 * @return string 88 */ 89 public function chartNoChildrenFamilies( 90 int $no_child_fam, 91 int $year1 = -1, 92 int $year2 = -1 93 ): string { 94 $data = [ 95 [ 96 I18N::translate('Century'), 97 I18N::translate('Total') 98 ] 99 ]; 100 101 $total = 0; 102 103 foreach ($this->queryRecords($year1, $year2) as $record) { 104 $total += (int) $record->total; 105 106 $data[] = [ 107 $this->century_service->centuryName((int) $record->century), 108 (int) $record->total 109 ]; 110 } 111 112 if ($total) { 113 $data[] = [ 114 I18N::translateContext('unknown century', 'Unknown'), 115 $no_child_fam - $total, 116 ]; 117 } 118 119 $chart_title = I18N::translate('Number of families without children'); 120 $chart_options = [ 121 'title' => $chart_title, 122 'subtitle' => '', 123 'legend' => [ 124 'position' => 'none', 125 ], 126 'vAxis' => [ 127 'title' => I18N::translate('Total families'), 128 ], 129 'hAxis' => [ 130 'title' => I18N::translate('Century'), 131 ], 132 'colors' => [ 133 '#84beff' 134 ], 135 ]; 136 137 return view('statistics/other/charts/column', [ 138 'data' => $data, 139 'chart_options' => $chart_options, 140 'chart_title' => $chart_title, 141 'language' => I18N::languageTag(), 142 ]); 143 } 144} 145