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 * Constructor. 41 * 42 * @param Tree $tree 43 */ 44 public function __construct(Tree $tree) 45 { 46 $this->tree = $tree; 47 $this->century_service = new CenturyService(); 48 } 49 50 /** 51 * Returns the related database records. 52 * 53 * @param int $year1 54 * @param int $year2 55 * 56 * @return array<object> 57 */ 58 private function queryRecords(int $year1, int $year2): array 59 { 60 $query = DB::table('families') 61 ->selectRaw('ROUND((d_year + 49) / 100) AS century') 62 ->selectRaw('COUNT(*) AS total') 63 ->join('dates', static function (JoinClause $join): void { 64 $join->on('d_file', '=', 'f_file') 65 ->on('d_gid', '=', 'f_id'); 66 }) 67 ->where('f_file', '=', $this->tree->id()) 68 ->where('f_numchil', '=', 0) 69 ->where('d_fact', '=', 'MARR') 70 ->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@']) 71 ->groupBy(['century']) 72 ->orderBy('century'); 73 74 if ($year1 >= 0 && $year2 >= 0) { 75 $query->whereBetween('d_year', [$year1, $year2]); 76 } 77 78 return $query->get()->all(); 79 } 80 81 /** 82 * Create a chart of children with no families. 83 * 84 * @param int $no_child_fam The number of families with no children 85 * @param int $year1 86 * @param int $year2 87 * 88 * @return string 89 */ 90 public function chartNoChildrenFamilies( 91 int $no_child_fam, 92 int $year1 = -1, 93 int $year2 = -1 94 ): string { 95 $data = [ 96 [ 97 I18N::translate('Century'), 98 I18N::translate('Total') 99 ] 100 ]; 101 102 $total = 0; 103 104 foreach ($this->queryRecords($year1, $year2) as $record) { 105 $total += (int) $record->total; 106 107 $data[] = [ 108 $this->century_service->centuryName((int) $record->century), 109 (int) $record->total 110 ]; 111 } 112 113 if ($total) { 114 $data[] = [ 115 I18N::translateContext('unknown century', 'Unknown'), 116 $no_child_fam - $total, 117 ]; 118 } 119 120 $chart_title = I18N::translate('Number of families without children'); 121 $chart_options = [ 122 'title' => $chart_title, 123 'subtitle' => '', 124 'legend' => [ 125 'position' => 'none', 126 ], 127 'vAxis' => [ 128 'title' => I18N::translate('Total families'), 129 ], 130 'hAxis' => [ 131 'title' => I18N::translate('Century'), 132 ], 133 'colors' => [ 134 '#84beff' 135 ], 136 ]; 137 138 return view('statistics/other/charts/column', [ 139 'data' => $data, 140 'chart_options' => $chart_options, 141 'chart_title' => $chart_title, 142 'language' => I18N::languageTag(), 143 ]); 144 } 145} 146