xref: /webtrees/app/Statistics/Google/ChartDistribution.php (revision 3ddb2c3f1b75331c0af6be131557ffc6c3bfb468)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 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\Repository\Interfaces\IndividualRepositoryInterface;
24use Fisharebest\Webtrees\Statistics\Service\CountryService;
25use Fisharebest\Webtrees\Tree;
26use Illuminate\Database\Capsule\Manager as DB;
27use Illuminate\Database\Query\Builder;
28use Illuminate\Database\Query\Expression;
29use Illuminate\Database\Query\JoinClause;
30
31use function preg_match;
32use function preg_quote;
33use function view;
34
35/**
36 * A chart showing the distribution of different events on a map.
37 */
38class ChartDistribution
39{
40    private Tree $tree;
41
42    private CountryService $country_service;
43
44    private IndividualRepositoryInterface $individual_repository;
45
46    /**
47     * @var array<string>
48     */
49    private array $country_to_iso3166;
50
51    /**
52     * @param Tree                          $tree
53     * @param CountryService                $country_service
54     * @param IndividualRepositoryInterface $individual_repository
55     */
56    public function __construct(
57        Tree $tree,
58        CountryService $country_service,
59        IndividualRepositoryInterface $individual_repository
60    ) {
61        $this->tree                  = $tree;
62        $this->country_service       = $country_service;
63        $this->individual_repository = $individual_repository;
64
65        // Get the country names for each language
66        $this->country_to_iso3166 = $this->getIso3166Countries();
67    }
68
69    /**
70     * Returns the country names for each language.
71     *
72     * @return array<string>
73     */
74    private function getIso3166Countries(): array
75    {
76        // Get the country names for each language
77        $country_to_iso3166 = [];
78
79        $current_language = I18N::languageTag();
80
81        foreach (I18N::activeLocales() as $locale) {
82            I18N::init($locale->languageTag());
83
84            $countries = $this->country_service->getAllCountries();
85
86            foreach ($this->country_service->iso3166() as $three => $two) {
87                $country_to_iso3166[$three]             = $two;
88                $country_to_iso3166[$countries[$three]] = $two;
89            }
90        }
91
92        I18N::init($current_language);
93
94        return $country_to_iso3166;
95    }
96
97    /**
98     * Returns the data structure required by google geochart.
99     *
100     * @param array<int> $places
101     *
102     * @return array<int,array<int|string|array<string,string>>>
103     */
104    private function createChartData(array $places): array
105    {
106        $data = [
107            [
108                I18N::translate('Country'),
109                I18N::translate('Total'),
110            ],
111        ];
112
113        // webtrees uses 3-letter country codes and localised country names, but google uses 2 letter codes.
114        foreach ($places as $country => $count) {
115            $data[] = [
116                [
117                    'v' => $country,
118                    'f' => $this->country_service->mapTwoLetterToName($country),
119                ],
120                $count
121            ];
122        }
123
124        return $data;
125    }
126
127    /**
128     * @param Tree   $tree
129     *
130     * @return array<int>
131     */
132    private function countIndividualsByCountry(Tree $tree): array
133    {
134        $rows = DB::table('places')
135            ->where('p_file', '=', $tree->id())
136            ->where('p_parent_id', '=', 0)
137            ->join('placelinks', static function (JoinClause $join): void {
138                $join
139                    ->on('pl_file', '=', 'p_file')
140                    ->on('pl_p_id', '=', 'p_id');
141            })
142            ->join('individuals', static function (JoinClause $join): void {
143                $join
144                    ->on('pl_file', '=', 'i_file')
145                    ->on('pl_gid', '=', 'i_id');
146            })
147            ->groupBy('p_place')
148            ->pluck(new Expression('COUNT(*)'), 'p_place');
149
150        $totals = [];
151
152        foreach ($rows as $country => $count) {
153            $country_code = $this->country_to_iso3166[$country] ?? null;
154
155            if ($country_code !== null) {
156                $totals[$country_code] = $count + ($totals[$country_code] ?? 0);
157            }
158        }
159
160        return $totals;
161    }
162
163    /**
164     * @param Tree   $tree
165     * @param string $surname
166     *
167     * @return array<int>
168     */
169    private function countSurnamesByCountry(Tree $tree, string $surname): array
170    {
171        $rows =
172            DB::table('places')
173                ->where('p_file', '=', $tree->id())
174                ->where('p_parent_id', '=', 0)
175                ->join('placelinks', static function (JoinClause $join): void {
176                    $join
177                        ->on('pl_file', '=', 'p_file')
178                        ->on('pl_p_id', '=', 'p_id');
179                })
180                ->join('name', static function (JoinClause $join): void {
181                    $join
182                        ->on('n_file', '=', 'pl_file')
183                        ->on('n_id', '=', 'pl_gid');
184                })
185                ->where(new Expression('n_surn /*! COLLATE ' . I18N::collation() . ' */'), '=', $surname)
186                ->groupBy('p_place')
187                ->pluck(new Expression('COUNT(*)'), 'p_place');
188
189        $totals = [];
190
191        foreach ($rows as $country => $count) {
192            $country_code = $this->country_to_iso3166[$country] ?? null;
193
194            if ($country_code !== null) {
195                $totals[$country_code] = $count + ($totals[$country_code] ?? 0);
196            }
197        }
198
199        return $totals;
200    }
201
202    /**
203     * @param Tree   $tree
204     * @param string $fact
205     *
206     * @return array<int>
207     */
208    private function countFamilyEventsByCountry(Tree $tree, string $fact): array
209    {
210        $query = DB::table('places')
211            ->where('p_file', '=', $tree->id())
212            ->where('p_parent_id', '=', 0)
213            ->join('placelinks', static function (JoinClause $join): void {
214                $join
215                    ->on('pl_file', '=', 'p_file')
216                    ->on('pl_p_id', '=', 'p_id');
217            })
218            ->join('families', static function (JoinClause $join): void {
219                $join
220                    ->on('pl_file', '=', 'f_file')
221                    ->on('pl_gid', '=', 'f_id');
222            })
223            ->select('p_place AS place', 'f_gedcom AS gedcom');
224
225        return $this->filterEventPlaces($query, $fact);
226    }
227
228    /**
229     * @param Tree   $tree
230     * @param string $fact
231     *
232     * @return array<int>
233     */
234    private function countIndividualEventsByCountry(Tree $tree, string $fact): array
235    {
236        $query = DB::table('places')
237            ->where('p_file', '=', $tree->id())
238            ->where('p_parent_id', '=', 0)
239            ->join('placelinks', static function (JoinClause $join): void {
240                $join
241                    ->on('pl_file', '=', 'p_file')
242                    ->on('pl_p_id', '=', 'p_id');
243            })
244            ->join('individuals', static function (JoinClause $join): void {
245                $join
246                    ->on('pl_file', '=', 'i_file')
247                    ->on('pl_gid', '=', 'i_id');
248            })
249            ->select('p_place AS place', 'i_gedcom AS gedcom');
250
251        return $this->filterEventPlaces($query, $fact);
252    }
253
254    /**
255     * @param Builder $query
256     * @param string  $fact
257     *
258     * @return array<int>
259     */
260    private function filterEventPlaces(Builder $query, string $fact): array
261    {
262        $totals = [];
263
264        foreach ($query->cursor() as $row) {
265            $country_code = $this->country_to_iso3166[$row->place] ?? null;
266
267            if ($country_code !== null) {
268                $place_regex = '/\n1 ' . $fact . '(?:\n[2-9].*)*\n2 PLAC.*[, ]' . preg_quote($row->place, '(?:\n|$)/i') . '\n/';
269
270                if (preg_match($place_regex, $row->gedcom) === 1) {
271                    $totals[$country_code] = 1 + ($totals[$country_code] ?? 0);
272                }
273            }
274        }
275
276        return $totals;
277    }
278
279    /**
280     * Create a chart showing where events occurred.
281     *
282     * @param string $chart_shows The type of chart map to show
283     * @param string $chart_type  The type of chart to show
284     * @param string $surname     The surname for surname based distribution chart
285     *
286     * @return string
287     */
288    public function chartDistribution(
289        string $chart_shows = 'world',
290        string $chart_type = '',
291        string $surname = ''
292    ): string {
293        switch ($chart_type) {
294            case 'surname_distribution_chart':
295                $chart_title = I18N::translate('Surname distribution chart') . ': ' . $surname;
296                $surname     = $surname ?: $this->individual_repository->getCommonSurname();
297                $data        = $this->createChartData($this->countSurnamesByCountry($this->tree, $surname));
298                break;
299
300            case 'birth_distribution_chart':
301                $chart_title = I18N::translate('Birth by country');
302                $data        = $this->createChartData($this->countIndividualEventsByCountry($this->tree, 'BIRT'));
303                break;
304
305            case 'death_distribution_chart':
306                $chart_title = I18N::translate('Death by country');
307                $data        = $this->createChartData($this->countIndividualEventsByCountry($this->tree, 'DEAT'));
308                break;
309
310            case 'marriage_distribution_chart':
311                $chart_title = I18N::translate('Marriage by country');
312                $data        = $this->createChartData($this->countFamilyEventsByCountry($this->tree, 'MARR'));
313                break;
314
315            case 'indi_distribution_chart':
316            default:
317                $chart_title = I18N::translate('Individual distribution chart');
318                $data        = $this->createChartData($this->countIndividualsByCountry($this->tree));
319                break;
320        }
321
322        return view('statistics/other/charts/geo', [
323            'chart_title'  => $chart_title,
324            'chart_color2' => '84beff',
325            'chart_color3' => 'c3dfff',
326            'region'       => $chart_shows,
327            'data'         => $data,
328            'language'     => I18N::languageTag(),
329        ]);
330    }
331}
332