xref: /webtrees/app/Statistics/Google/ChartBirth.php (revision d7c2f5cc56f17801156c069987440ca1da2c5057) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 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\DB;
23use Fisharebest\Webtrees\I18N;
24use Fisharebest\Webtrees\Statistics\Service\CenturyService;
25use Fisharebest\Webtrees\Statistics\Service\ColorService;
26use Fisharebest\Webtrees\Tree;
27use Illuminate\Support\Collection;
28
29use function count;
30use function view;
31
32/**
33 * A chart showing birth by century.
34 */
35class ChartBirth
36{
37    private Tree $tree;
38
39    private CenturyService $century_service;
40
41    private ColorService $color_service;
42
43    /**
44     * @param CenturyService $century_service
45     * @param ColorService   $color_service
46     * @param Tree           $tree
47     */
48    public function __construct(CenturyService $century_service, ColorService $color_service, Tree $tree)
49    {
50        $this->century_service = $century_service;
51        $this->color_service   = $color_service;
52        $this->tree            = $tree;
53    }
54
55    /**
56     * Returns the related database records.
57     *
58     * @return Collection<array-key,object>
59     */
60    private function queryRecords(): Collection
61    {
62        return DB::table('dates')
63            ->selectRaw('ROUND((d_year + 49) / 100, 0) AS century')
64            ->selectRaw('COUNT(*) AS total')
65            ->where('d_file', '=', $this->tree->id())
66            ->where('d_year', '<>', 0)
67            ->where('d_fact', '=', 'BIRT')
68            ->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
69            ->groupBy(['century'])
70            ->orderBy('century')
71            ->get()
72            ->map(static fn (object $row): object => (object) [
73                'century' => (int) $row->century,
74                'total'   => (float) $row->total,
75            ]);
76    }
77
78    /**
79     * Create a chart of birth places.
80     *
81     * @param string|null $color_from
82     * @param string|null $color_to
83     *
84     * @return string
85     */
86    public function chartBirth(string|null $color_from = null, string|null $color_to = null): string
87    {
88        $color_from ??= 'ffffff';
89        $color_to ??= '84beff';
90
91        $data = [
92            [
93                I18N::translate('Century'),
94                I18N::translate('Total')
95            ],
96        ];
97
98        foreach ($this->queryRecords() as $record) {
99            $data[] = [
100                $this->century_service->centuryName($record->century),
101                $record->total
102            ];
103        }
104
105        $colors = $this->color_service->interpolateRgb($color_from, $color_to, count($data) - 1);
106
107        return view('statistics/other/charts/pie', [
108            'title'    => I18N::translate('Births by century'),
109            'data'     => $data,
110            'colors'   => $colors,
111            'language' => I18N::languageTag(),
112        ]);
113    }
114}
115