app/Statistics/Google/ChartDivorce.php
<?php
/**
* webtrees: online genealogy
* Copyright (C) 2023 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Statistics\Google;
use Fisharebest\Webtrees\DB;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\Statistics\Service\CenturyService;
use Fisharebest\Webtrees\Statistics\Service\ColorService;
use Fisharebest\Webtrees\Tree;
use Illuminate\Support\Collection;
use stdClass;
use function count;
use function view;
/**
* A chart showing the divorces by century.
*/
class ChartDivorce
{
private Tree $tree;
private CenturyService $century_service;
private ColorService $color_service;
/**
* @param CenturyService $century_service
* @param ColorService $color_service
* @param Tree $tree
*/
public function __construct(CenturyService $century_service, ColorService $color_service, Tree $tree)
{
$this->century_service = $century_service;
$this->color_service = $color_service;
$this->tree = $tree;
}
/**
* Returns the related database records.
*
* @return Collection<array-key,stdClass>
*/
private function queryRecords(): Collection
{
return DB::table('dates')
->selectRaw('ROUND((d_year + 49) / 100, 0) AS century')
->selectRaw('COUNT(*) AS total')
->where('d_file', '=', $this->tree->id())
->where('d_year', '<>', 0)
->where('d_fact', '=', 'DIV')
->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
->groupBy(['century'])
->orderBy('century')
->get()
->map(static fn (object $row): object => (object) [
'century' => (int) $row->century,
'total' => (float) $row->total,
]);
}
/**
* General query on divorces.
*
* @param string|null $color_from
* @param string|null $color_to
*
* @return string
*/
public function chartDivorce(string|null $color_from = null, string|null $color_to = null): string
{
$color_from ??= 'ffffff';
$color_to ??= '84beff';
$data = [
[
I18N::translate('Century'),
I18N::translate('Total')
],
];
foreach ($this->queryRecords() as $record) {
$data[] = [
$this->century_service->centuryName($record->century),
$record->total
];
}
$colors = $this->color_service->interpolateRgb($color_from, $color_to, count($data) - 1);
return view('statistics/other/charts/pie', [
'title' => I18N::translate('Divorces by century'),
'data' => $data,
'colors' => $colors,
'language' => I18N::languageTag(),
]);
}
}