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\Module\ModuleThemeInterface; 24use Fisharebest\Webtrees\Statistics\Service\CenturyService; 25use Fisharebest\Webtrees\Statistics\Service\ColorService; 26use Fisharebest\Webtrees\Tree; 27use Illuminate\Database\Capsule\Manager as DB; 28use Illuminate\Support\Collection; 29 30use function app; 31use function count; 32 33/** 34 * A chart showing the deaths by century. 35 */ 36class ChartDeath 37{ 38 /** 39 * @var Tree 40 */ 41 private $tree; 42 43 /** 44 * @var ModuleThemeInterface 45 */ 46 private $theme; 47 48 /** 49 * @var CenturyService 50 */ 51 private $century_service; 52 53 /** 54 * @var ColorService 55 */ 56 private $color_service; 57 58 /** 59 * Constructor. 60 * 61 * @param Tree $tree 62 */ 63 public function __construct(Tree $tree) 64 { 65 $this->tree = $tree; 66 $this->theme = app(ModuleThemeInterface::class); 67 $this->century_service = new CenturyService(); 68 $this->color_service = new ColorService(); 69 } 70 71 /** 72 * Returns the related database records. 73 * 74 * @return Collection<object> 75 */ 76 private function queryRecords(): Collection 77 { 78 return DB::table('dates') 79 ->selectRaw('ROUND((d_year + 49) / 100) AS century') 80 ->selectRaw('COUNT(*) AS total') 81 ->where('d_file', '=', $this->tree->id()) 82 ->where('d_year', '<>', 0) 83 ->where('d_fact', '=', 'DEAT') 84 ->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@']) 85 ->groupBy(['century']) 86 ->orderBy('century') 87 ->get() 88 ->map(static function (object $row): object { 89 return (object) [ 90 'century' => (int) $row->century, 91 'total' => (float) $row->total, 92 ]; 93 }); 94 } 95 96 /** 97 * Create a chart of death places. 98 * 99 * @param string|null $color_from 100 * @param string|null $color_to 101 * 102 * @return string 103 */ 104 public function chartDeath(string $color_from = null, string $color_to = null): string 105 { 106 $chart_color1 = $this->theme->parameter('distribution-chart-no-values'); 107 $chart_color2 = $this->theme->parameter('distribution-chart-high-values'); 108 $color_from = $color_from ?? $chart_color1; 109 $color_to = $color_to ?? $chart_color2; 110 111 $data = [ 112 [ 113 I18N::translate('Century'), 114 I18N::translate('Total') 115 ], 116 ]; 117 118 foreach ($this->queryRecords() as $record) { 119 $data[] = [ 120 $this->century_service->centuryName($record->century), 121 $record->total 122 ]; 123 } 124 125 $colors = $this->color_service->interpolateRgb($color_from, $color_to, count($data) - 1); 126 127 return view('statistics/other/charts/pie', [ 128 'title' => I18N::translate('Deaths by century'), 129 'data' => $data, 130 'colors' => $colors, 131 'language' => I18N::languageTag(), 132 ]); 133 } 134} 135