app/Statistics/Google/ChartMarriageAge.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\Tree;
use Illuminate\Database\Query\Expression;
use Illuminate\Database\Query\JoinClause;
use Illuminate\Support\Collection;
use stdClass;
use function round;
use function view;
/**
* A chart showing the marriage ages by century.
*/
class ChartMarriageAge
{
private Tree $tree;
private CenturyService $century_service;
/**
* @param CenturyService $century_service
* @param Tree $tree
*/
public function __construct(CenturyService $century_service, Tree $tree)
{
$this->tree = $tree;
$this->century_service = $century_service;
}
/**
* Returns the related database records.
*
* @return Collection<array-key,stdClass>
*/
private function queryRecords(): Collection
{
$prefix = DB::connection()->getTablePrefix();
$male = DB::table('dates as married')
->select([
new Expression('AVG(' . $prefix . 'married.d_julianday2 - ' . $prefix . 'birth.d_julianday1 - 182.5) / 365.25 AS age'),
new Expression('ROUND((' . $prefix . 'married.d_year + 49) / 100, 0) AS century'),
new Expression("'M' as sex")
])
->join('families as fam', static function (JoinClause $join): void {
$join->on('fam.f_id', '=', 'married.d_gid')
->on('fam.f_file', '=', 'married.d_file');
})
->join('dates as birth', static function (JoinClause $join): void {
$join->on('birth.d_gid', '=', 'fam.f_husb')
->on('birth.d_file', '=', 'fam.f_file');
})
->whereIn('married.d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
->where('married.d_file', '=', $this->tree->id())
->where('married.d_fact', '=', 'MARR')
->where('married.d_julianday1', '>', new Expression($prefix . 'birth.d_julianday1'))
->whereIn('birth.d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
->where('birth.d_fact', '=', 'BIRT')
->where('birth.d_julianday1', '<>', 0)
->groupBy(['century', 'sex']);
$female = DB::table('dates as married')
->select([
new Expression('ROUND(AVG(' . $prefix . 'married.d_julianday2 - ' . $prefix . 'birth.d_julianday1 - 182.5) / 365.25, 1) AS age'),
new Expression('ROUND((' . $prefix . 'married.d_year + 49) / 100, 0) AS century'),
new Expression("'F' as sex")
])
->join('families as fam', static function (JoinClause $join): void {
$join->on('fam.f_id', '=', 'married.d_gid')
->on('fam.f_file', '=', 'married.d_file');
})
->join('dates as birth', static function (JoinClause $join): void {
$join->on('birth.d_gid', '=', 'fam.f_wife')
->on('birth.d_file', '=', 'fam.f_file');
})
->whereIn('married.d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
->where('married.d_file', '=', $this->tree->id())
->where('married.d_fact', '=', 'MARR')
->where('married.d_julianday1', '>', new Expression($prefix . 'birth.d_julianday1'))
->whereIn('birth.d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
->where('birth.d_fact', '=', 'BIRT')
->where('birth.d_julianday1', '<>', 0)
->groupBy(['century', 'sex']);
return $male->unionAll($female)
->orderBy('century')
->get()
->map(static function (object $row): object {
return (object) [
'age' => (float) $row->age,
'century' => (int) $row->century,
'sex' => $row->sex,
];
});
}
/**
* General query on ages at marriage.
*
* @return string
*/
public function chartMarriageAge(): string
{
$out = [];
foreach ($this->queryRecords() as $record) {
$out[$record->century][$record->sex] = $record->age;
}
$data = [
[
I18N::translate('Century'),
I18N::translate('Males'),
I18N::translate('Females'),
I18N::translate('Average age'),
]
];
foreach ($out as $century => $values) {
$female_age = $values['F'] ?? 0;
$male_age = $values['M'] ?? 0;
$average_age = ($female_age + $male_age) / 2.0;
$data[] = [
$this->century_service->centuryName($century),
round($male_age, 1),
round($female_age, 1),
round($average_age, 1),
];
}
$chart_title = I18N::translate('Average age in century of marriage');
$chart_options = [
'title' => $chart_title,
'subtitle' => I18N::translate('Average age at marriage'),
'vAxis' => [
'title' => I18N::translate('Age'),
],
'hAxis' => [
'showTextEvery' => 1,
'slantedText' => false,
'title' => I18N::translate('Century'),
],
'colors' => [
'#84beff',
'#ffd1dc',
'#ff0000',
],
];
return view('statistics/other/charts/combo', [
'data' => $data,
'chart_options' => $chart_options,
'chart_title' => $chart_title,
'language' => I18N::languageTag(),
]);
}
}