xref: /webtrees/app/Module/IndividualListModule.php (revision d556820b1a7ded827b1d7cc803988e0ebd0451f7)
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\Module;
21
22use Aura\Router\RouterContainer;
23use Fisharebest\Localization\Locale\LocaleInterface;
24use Fisharebest\Webtrees\Auth;
25use Fisharebest\Webtrees\Contracts\UserInterface;
26use Fisharebest\Webtrees\Family;
27use Fisharebest\Webtrees\GedcomRecord;
28use Fisharebest\Webtrees\I18N;
29use Fisharebest\Webtrees\Individual;
30use Fisharebest\Webtrees\Registry;
31use Fisharebest\Webtrees\Services\LocalizationService;
32use Fisharebest\Webtrees\Session;
33use Fisharebest\Webtrees\Tree;
34use Fisharebest\Webtrees\Validator;
35use Illuminate\Database\Capsule\Manager as DB;
36use Illuminate\Database\Query\Builder;
37use Illuminate\Database\Query\Expression;
38use Illuminate\Database\Query\JoinClause;
39use Illuminate\Support\Collection;
40use Psr\Http\Message\ResponseInterface;
41use Psr\Http\Message\ServerRequestInterface;
42use Psr\Http\Server\RequestHandlerInterface;
43
44use function app;
45use function array_keys;
46use function assert;
47use function e;
48use function implode;
49use function in_array;
50use function ob_get_clean;
51use function ob_start;
52use function redirect;
53use function route;
54use function usort;
55use function view;
56
57/**
58 * Class IndividualListModule
59 */
60class IndividualListModule extends AbstractModule implements ModuleListInterface, RequestHandlerInterface
61{
62    use ModuleListTrait;
63
64    protected const ROUTE_URL = '/tree/{tree}/individual-list';
65
66    private LocalizationService $localization_service;
67
68    /**
69     * IndividualListModule constructor.
70     *
71     * @param LocalizationService $localization_service
72     */
73    public function __construct(LocalizationService $localization_service)
74    {
75        $this->localization_service = $localization_service;
76    }
77
78    /**
79     * Initialization.
80     *
81     * @return void
82     */
83    public function boot(): void
84    {
85        Registry::routeFactory()->routeMap()
86            ->get(static::class, static::ROUTE_URL, $this);
87    }
88
89    /**
90     * How should this module be identified in the control panel, etc.?
91     *
92     * @return string
93     */
94    public function title(): string
95    {
96        /* I18N: Name of a module/list */
97        return I18N::translate('Individuals');
98    }
99
100    /**
101     * A sentence describing what this module does.
102     *
103     * @return string
104     */
105    public function description(): string
106    {
107        /* I18N: Description of the “Individuals” module */
108        return I18N::translate('A list of individuals.');
109    }
110
111    /**
112     * CSS class for the URL.
113     *
114     * @return string
115     */
116    public function listMenuClass(): string
117    {
118        return 'menu-list-indi';
119    }
120
121    /**
122     * @param Tree                                      $tree
123     * @param array<bool|int|string|array<string>|null> $parameters
124     *
125     * @return string
126     */
127    public function listUrl(Tree $tree, array $parameters = []): string
128    {
129        $request = app(ServerRequestInterface::class);
130        assert($request instanceof ServerRequestInterface);
131
132        $xref = Validator::attributes($request)->isXref()->string('xref', '');
133
134        if ($xref !== '') {
135            $individual = Registry::individualFactory()->make($xref, $tree);
136
137            if ($individual instanceof Individual && $individual->canShow()) {
138                $primary_name = $individual->getPrimaryName();
139
140                $parameters['surname'] = $parameters['surname'] ?? $individual->getAllNames()[$primary_name]['surn'] ?? null;
141            }
142        }
143
144        $parameters['tree'] = $tree->name();
145
146        return route(static::class, $parameters);
147    }
148
149    /**
150     * @return array<string>
151     */
152    public function listUrlAttributes(): array
153    {
154        return [];
155    }
156
157    /**
158     * Handle URLs generated by older versions of webtrees
159     *
160     * @param ServerRequestInterface $request
161     *
162     * @return ResponseInterface
163     */
164    public function getListAction(ServerRequestInterface $request): ResponseInterface
165    {
166        $tree = Validator::attributes($request)->tree();
167
168        return redirect($this->listUrl($tree, $request->getQueryParams()));
169    }
170
171    /**
172     * @param ServerRequestInterface $request
173     *
174     * @return ResponseInterface
175     */
176    public function handle(ServerRequestInterface $request): ResponseInterface
177    {
178        $tree = Validator::attributes($request)->tree();
179        $user = Validator::attributes($request)->user();
180
181        Auth::checkComponentAccess($this, ModuleListInterface::class, $tree, $user);
182
183        return $this->createResponse($tree, $user, $request->getQueryParams(), false);
184    }
185
186    /**
187     * @param Tree          $tree
188     * @param UserInterface $user
189     * @param array<string> $params
190     * @param bool          $families
191     *
192     * @return ResponseInterface
193     */
194    protected function createResponse(Tree $tree, UserInterface $user, array $params, bool $families): ResponseInterface
195    {
196        ob_start();
197
198        // We show three different lists: initials, surnames and individuals
199
200        // All surnames beginning with this letter where "@"=unknown and ","=none
201        $alpha = $params['alpha'] ?? '';
202
203        // All individuals with this surname
204        $surname = $params['surname'] ?? '';
205
206        // All individuals
207        $show_all = $params['show_all'] ?? 'no';
208
209        // Long lists can be broken down by given name
210        $show_all_firstnames = $params['show_all_firstnames'] ?? 'no';
211        if ($show_all_firstnames === 'yes') {
212            $falpha = '';
213        } else {
214            // All first names beginning with this letter
215            $falpha = $params['falpha'] ?? '';
216        }
217
218        $show_marnm = $params['show_marnm'] ?? '';
219        switch ($show_marnm) {
220            case 'no':
221            case 'yes':
222                $user->setPreference($families ? 'family-list-marnm' : 'individual-list-marnm', $show_marnm);
223                break;
224            default:
225                $show_marnm = $user->getPreference($families ? 'family-list-marnm' : 'individual-list-marnm');
226        }
227
228        // Make sure selections are consistent.
229        // i.e. can’t specify show_all and surname at the same time.
230        if ($show_all === 'yes') {
231            if ($show_all_firstnames === 'yes') {
232                $alpha   = '';
233                $surname = '';
234                $legend  = I18N::translate('All');
235                $params  = [
236                    'tree'     => $tree->name(),
237                    'show_all' => 'yes',
238                ];
239                $show    = 'indi';
240            } elseif ($falpha !== '') {
241                $alpha   = '';
242                $surname = '';
243                $legend  = I18N::translate('All') . ', ' . e($falpha) . '…';
244                $params  = [
245                    'tree'     => $tree->name(),
246                    'show_all' => 'yes',
247                ];
248                $show    = 'indi';
249            } else {
250                $alpha   = '';
251                $surname = '';
252                $legend  = I18N::translate('All');
253                $show    = $params['show'] ?? 'surn';
254                $params  = [
255                    'tree'     => $tree->name(),
256                    'show_all' => 'yes',
257                ];
258            }
259        } elseif ($surname !== '') {
260            $alpha    = $this->localization_service->initialLetter($surname, I18N::locale()); // so we can highlight the initial letter
261            $show_all = 'no';
262            if ($surname === Individual::NOMEN_NESCIO) {
263                $legend = I18N::translateContext('Unknown surname', '…');
264            } else {
265                // The surname parameter is a root/canonical form.
266                // Display it as the actual surname
267                $legend = implode('/', array_keys($this->surnames($tree, $surname, $alpha, $show_marnm === 'yes', $families, I18N::locale())));
268            }
269            $params = [
270                'tree'    => $tree->name(),
271                'surname' => $surname,
272                'falpha'  => $falpha,
273            ];
274            switch ($falpha) {
275                case '':
276                    break;
277                case '@':
278                    $legend .= ', ' . I18N::translateContext('Unknown given name', '…');
279                    break;
280                default:
281                    $legend .= ', ' . e($falpha) . '…';
282                    break;
283            }
284            $show = 'indi'; // SURN list makes no sense here
285        } elseif ($alpha === '@') {
286            $show_all = 'no';
287            $legend   = I18N::translateContext('Unknown surname', '…');
288            $params   = [
289                'alpha' => $alpha,
290                'tree'  => $tree->name(),
291            ];
292            $show     = 'indi'; // SURN list makes no sense here
293        } elseif ($alpha === ',') {
294            $show_all = 'no';
295            $legend   = I18N::translate('None');
296            $params   = [
297                'alpha' => $alpha,
298                'tree'  => $tree->name(),
299            ];
300            $show     = 'indi'; // SURN list makes no sense here
301        } elseif ($alpha !== '') {
302            $show_all = 'no';
303            $legend   = e($alpha) . '…';
304            $show     = $params['show'] ?? 'surn';
305            $params   = [
306                'alpha' => $alpha,
307                'tree'  => $tree->name(),
308            ];
309        } else {
310            $show_all = 'no';
311            $legend   = '…';
312            $params   = [
313                'tree' => $tree->name(),
314            ];
315            $show     = 'none'; // Don't show lists until something is chosen
316        }
317        $legend = '<bdi>' . $legend . '</bdi>';
318
319        if ($families) {
320            $title = I18N::translate('Families') . ' — ' . $legend;
321        } else {
322            $title = I18N::translate('Individuals') . ' — ' . $legend;
323        } ?>
324        <div class="d-flex flex-column wt-page-options wt-page-options-individual-list d-print-none">
325            <ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-surname">
326
327                <?php foreach ($this->surnameAlpha($tree, $show_marnm === 'yes', $families, I18N::locale()) as $letter => $count) : ?>
328                    <li class="wt-initials-list-item d-flex">
329                        <?php if ($count > 0) : ?>
330                            <a href="<?= e($this->listUrl($tree, ['alpha' => $letter, 'tree' => $tree->name()])) ?>" class="wt-initial px-1<?= $letter === $alpha ? ' active' : '' ?> '" title="<?= I18N::number($count) ?>"><?= $this->surnameInitial((string) $letter) ?></a>
331                        <?php else : ?>
332                            <span class="wt-initial px-1 text-muted"><?= $this->surnameInitial((string) $letter) ?></span>
333
334                        <?php endif ?>
335                    </li>
336                <?php endforeach ?>
337
338                <?php if (Session::has('initiated')) : ?>
339                    <!-- Search spiders don't get the "show all" option as the other links give them everything. -->
340                    <li class="wt-initials-list-item d-flex">
341                        <a class="wt-initial px-1<?= $show_all === 'yes' ? ' active' : '' ?>" href="<?= e($this->listUrl($tree, ['show_all' => 'yes'] + $params)) ?>"><?= I18N::translate('All') ?></a>
342                    </li>
343                <?php endif ?>
344            </ul>
345
346            <!-- Search spiders don't get an option to show/hide the surname sublists, nor does it make sense on the all/unknown/surname views -->
347            <?php if ($show !== 'none' && Session::has('initiated')) : ?>
348                <?php if ($show_marnm === 'yes') : ?>
349                    <p>
350                        <a href="<?= e($this->listUrl($tree, ['show' => $show, 'show_marnm' => 'no'] + $params)) ?>">
351                            <?= I18N::translate('Exclude individuals with “%s” as a married name', $legend) ?>
352                        </a>
353                    </p>
354                <?php else : ?>
355                    <p>
356                        <a href="<?= e($this->listUrl($tree, ['show' => $show, 'show_marnm' => 'yes'] + $params)) ?>">
357                            <?= I18N::translate('Include individuals with “%s” as a married name', $legend) ?>
358                        </a>
359                    </p>
360                <?php endif ?>
361
362                <?php if ($alpha !== '@' && $alpha !== ',' && $surname === '') : ?>
363                    <?php if ($show === 'surn') : ?>
364                        <p>
365                            <a href="<?= e($this->listUrl($tree, ['show' => 'indi', 'show_marnm' => 'no'] + $params)) ?>">
366                                <?= I18N::translate('Show the list of individuals') ?>
367                            </a>
368                        </p>
369                    <?php else : ?>
370                        <p>
371                            <a href="<?= e($this->listUrl($tree, ['show' => 'surn', 'show_marnm' => 'no'] + $params)) ?>">
372                                <?= I18N::translate('Show the list of surnames') ?>
373                            </a>
374                        </p>
375                    <?php endif ?>
376                <?php endif ?>
377            <?php endif ?>
378        </div>
379
380        <div class="wt-page-content">
381            <?php
382
383            if ($show === 'indi' || $show === 'surn') {
384                $surns = $this->surnames($tree, $surname, $alpha, $show_marnm === 'yes', $families, I18N::locale());
385                if ($show === 'surn') {
386                    // Show the surname list
387                    switch ($tree->getPreference('SURNAME_LIST_STYLE')) {
388                        case 'style1':
389                            echo view('lists/surnames-column-list', [
390                                'module'   => $this,
391                                'surnames' => $surns,
392                                'totals'   => true,
393                                'tree'     => $tree,
394                            ]);
395                            break;
396                        case 'style3':
397                            echo view('lists/surnames-tag-cloud', [
398                                'module'   => $this,
399                                'surnames' => $surns,
400                                'totals'   => true,
401                                'tree'     => $tree,
402                            ]);
403                            break;
404                        case 'style2':
405                        default:
406                            echo view('lists/surnames-table', [
407                                'families' => $families,
408                                'module'   => $this,
409                                'order'    => [[1, 'desc']],
410                                'surnames' => $surns,
411                                'tree'     => $tree,
412                            ]);
413                            break;
414                    }
415                } else {
416                    // Show the list
417                    $count = 0;
418                    foreach ($surns as $surnames) {
419                        foreach ($surnames as $total) {
420                            $count += $total;
421                        }
422                    }
423                    // Don't sublist short lists.
424                    if ($count < $tree->getPreference('SUBLIST_TRIGGER_I')) {
425                        $falpha = '';
426                    } else {
427                        $givn_initials = $this->givenAlpha($tree, $surname, $alpha, $show_marnm === 'yes', $families, I18N::locale());
428                        // Break long lists by initial letter of given name
429                        if ($surname !== '' || $show_all === 'yes') {
430                            if ($show_all === 'no') {
431                                echo '<h2 class="wt-page-title">', I18N::translate('Individuals with surname %s', $legend), '</h2>';
432                            }
433                            // Don't show the list until we have some filter criteria
434                            $show = $falpha !== '' || $show_all_firstnames === 'yes' ? 'indi' : 'none';
435                            $list = [];
436                            echo '<ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-given-names">';
437                            foreach ($givn_initials as $givn_initial => $given_count) {
438                                echo '<li class="wt-initials-list-item d-flex">';
439                                if ($given_count > 0) {
440                                    if ($show === 'indi' && $givn_initial === $falpha && $show_all_firstnames === 'no') {
441                                        echo '<a class="wt-initial px-1 active" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->givenNameInitial((string) $givn_initial) . '</a>';
442                                    } else {
443                                        echo '<a class="wt-initial px-1" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->givenNameInitial((string) $givn_initial) . '</a>';
444                                    }
445                                } else {
446                                    echo '<span class="wt-initial px-1 text-muted">' . $this->givenNameInitial((string) $givn_initial) . '</span>';
447                                }
448                                echo '</li>';
449                            }
450                            // Search spiders don't get the "show all" option as the other links give them everything.
451                            if (Session::has('initiated')) {
452                                echo '<li class="wt-initials-list-item d-flex">';
453                                if ($show_all_firstnames === 'yes') {
454                                    echo '<span class="wt-initial px-1 active">' . I18N::translate('All') . '</span>';
455                                } else {
456                                    echo '<a class="wt-initial px-1" href="' . e($this->listUrl($tree, ['show_all_firstnames' => 'yes'] + $params)) . '" title="' . I18N::number($count) . '">' . I18N::translate('All') . '</a>';
457                                }
458                                echo '</li>';
459                            }
460                            echo '</ul>';
461                            echo '<p class="text-center alpha_index">', implode(' | ', $list), '</p>';
462                        }
463                    }
464                    if ($show === 'indi') {
465                        if (!$families) {
466                            echo view('lists/individuals-table', [
467                                'individuals' => $this->individuals($tree, $surname, $alpha, $falpha, $show_marnm === 'yes', false, I18N::locale()),
468                                'sosa'        => false,
469                                'tree'        => $tree,
470                            ]);
471                        } else {
472                            echo view('lists/families-table', [
473                                'families' => $this->families($tree, $surname, $alpha, $falpha, $show_marnm === 'yes', I18N::locale()),
474                                'tree'     => $tree,
475                            ]);
476                        }
477                    }
478                }
479            } ?>
480        </div>
481        <?php
482
483        $html = ob_get_clean();
484
485        return $this->viewResponse('modules/individual-list/page', [
486            'content' => $html,
487            'title'   => $title,
488            'tree'    => $tree,
489        ]);
490    }
491
492    /**
493     * Some initial letters have a special meaning
494     *
495     * @param string $initial
496     *
497     * @return string
498     */
499    protected function givenNameInitial(string $initial): string
500    {
501        if ($initial === '@') {
502            return I18N::translateContext('Unknown given name', '…');
503        }
504
505        return e($initial);
506    }
507
508    /**
509     * Some initial letters have a special meaning
510     *
511     * @param string $initial
512     *
513     * @return string
514     */
515    protected function surnameInitial(string $initial): string
516    {
517        if ($initial === '@') {
518            return I18N::translateContext('Unknown surname', '…');
519        }
520
521        if ($initial === ',') {
522            return I18N::translate('None');
523        }
524
525        return e($initial);
526    }
527
528    /**
529     * Restrict a query to individuals that are a spouse in a family record.
530     *
531     * @param bool    $fams
532     * @param Builder $query
533     */
534    protected function whereFamily(bool $fams, Builder $query): void
535    {
536        if ($fams) {
537            $query->join('link', static function (JoinClause $join): void {
538                $join
539                    ->on('l_from', '=', 'n_id')
540                    ->on('l_file', '=', 'n_file')
541                    ->where('l_type', '=', 'FAMS');
542            });
543        }
544    }
545
546    /**
547     * Restrict a query to include/exclude married names.
548     *
549     * @param bool    $marnm
550     * @param Builder $query
551     */
552    protected function whereMarriedName(bool $marnm, Builder $query): void
553    {
554        if (!$marnm) {
555            $query->where('n_type', '<>', '_MARNM');
556        }
557    }
558
559    /**
560     * Get a list of initial surname letters.
561     *
562     * @param Tree            $tree
563     * @param bool            $marnm if set, include married names
564     * @param bool            $fams  if set, only consider individuals with FAMS records
565     * @param LocaleInterface $locale
566     *
567     * @return array<int>
568     */
569    public function surnameAlpha(Tree $tree, bool $marnm, bool $fams, LocaleInterface $locale): array
570    {
571        $collation = $this->localization_service->collation($locale);
572
573        $n_surn = $this->fieldWithCollation('n_surn', $collation);
574        $alphas = [];
575
576        $query = DB::table('name')->where('n_file', '=', $tree->id());
577
578        $this->whereFamily($fams, $query);
579        $this->whereMarriedName($marnm, $query);
580
581        // Fetch all the letters in our alphabet, whether or not there
582        // are any names beginning with that letter. It looks better to
583        // show the full alphabet, rather than omitting rare letters such as X.
584        foreach ($this->localization_service->alphabet($locale) as $letter) {
585            $query2 = clone $query;
586
587            $this->whereInitial($query2, 'n_surn', $letter, $locale);
588
589            $alphas[$letter] = $query2->count();
590        }
591
592        // Now fetch initial letters that are not in our alphabet,
593        // including "@" (for "@N.N.") and "" for no surname.
594        foreach ($this->localization_service->alphabet($locale) as $letter) {
595            $query->where($n_surn, 'NOT LIKE', $letter . '%');
596        }
597
598        $rows = $query
599            ->groupBy(['initial'])
600            ->orderBy('initial')
601            ->pluck(new Expression('COUNT(*) AS aggregate'), new Expression('SUBSTR(n_surn, 1, 1) AS initial'));
602
603        $specials = ['@', ''];
604
605        foreach ($rows as $alpha => $count) {
606            if (!in_array($alpha, $specials, true)) {
607                $alphas[$alpha] = (int) $count;
608            }
609        }
610
611        // Empty surnames have a special code ',' - as we search for SURN.GIVN
612        foreach ($specials as $special) {
613            if ($rows->has($special)) {
614                $alphas[$special ?: ','] = (int) $rows[$special];
615            }
616        }
617
618        return $alphas;
619    }
620
621    /**
622     * Get a list of initial given name letters for indilist.php and famlist.php
623     *
624     * @param Tree            $tree
625     * @param string          $surn   if set, only consider people with this surname
626     * @param string          $salpha if set, only consider surnames starting with this letter
627     * @param bool            $marnm  if set, include married names
628     * @param bool            $fams   if set, only consider individuals with FAMS records
629     * @param LocaleInterface $locale
630     *
631     * @return array<int>
632     */
633    public function givenAlpha(Tree $tree, string $surn, string $salpha, bool $marnm, bool $fams, LocaleInterface $locale): array
634    {
635        $collation = $this->localization_service->collation($locale);
636
637        $alphas = [];
638
639        $query = DB::table('name')
640            ->where('n_file', '=', $tree->id());
641
642        $this->whereFamily($fams, $query);
643        $this->whereMarriedName($marnm, $query);
644
645        if ($surn !== '') {
646            $n_surn = $this->fieldWithCollation('n_surn', $collation);
647            $query->where($n_surn, '=', $surn);
648        } elseif ($salpha === ',') {
649            $query->where('n_surn', '=', '');
650        } elseif ($salpha === '@') {
651            $query->where('n_surn', '=', Individual::NOMEN_NESCIO);
652        } elseif ($salpha !== '') {
653            $this->whereInitial($query, 'n_surn', $salpha, $locale);
654        } else {
655            // All surnames
656            $query->whereNotIn('n_surn', ['', Individual::NOMEN_NESCIO]);
657        }
658
659        // Fetch all the letters in our alphabet, whether or not there
660        // are any names beginning with that letter. It looks better to
661        // show the full alphabet, rather than omitting rare letters such as X
662        foreach ($this->localization_service->alphabet($locale) as $letter) {
663            $query2 = clone $query;
664
665            $this->whereInitial($query2, 'n_givn', $letter, $locale);
666
667            $alphas[$letter] = $query2->distinct()->count('n_id');
668        }
669
670        $rows = $query
671            ->groupBy(['initial'])
672            ->orderBy('initial')
673            ->pluck(new Expression('COUNT(*) AS aggregate'), new Expression('UPPER(SUBSTR(n_givn, 1, 1)) AS initial'));
674
675        foreach ($rows as $alpha => $count) {
676            if ($alpha !== '@') {
677                $alphas[$alpha] = (int) $count;
678            }
679        }
680
681        if ($rows->has('@')) {
682            $alphas['@'] = (int) $rows['@'];
683        }
684
685        return $alphas;
686    }
687
688    /**
689     * Get a count of actual surnames and variants, based on a "root" surname.
690     *
691     * @param Tree            $tree
692     * @param string          $surn   if set, only count people with this surname
693     * @param string          $salpha if set, only consider surnames starting with this letter
694     * @param bool            $marnm  if set, include married names
695     * @param bool            $fams   if set, only consider individuals with FAMS records
696     * @param LocaleInterface $locale
697     *
698     * @return array<array<int>>
699     */
700    protected function surnames(
701        Tree $tree,
702        string $surn,
703        string $salpha,
704        bool $marnm,
705        bool $fams,
706        LocaleInterface $locale
707    ): array {
708        $collation = $this->localization_service->collation($locale);
709
710        $query = DB::table('name')
711            ->where('n_file', '=', $tree->id())
712            ->select([
713                new Expression('UPPER(n_surn /*! COLLATE ' . $collation . ' */) AS n_surn'),
714                new Expression('n_surname /*! COLLATE utf8_bin */ AS n_surname'),
715                new Expression('COUNT(*) AS total'),
716            ]);
717
718        $this->whereFamily($fams, $query);
719        $this->whereMarriedName($marnm, $query);
720
721        if ($surn !== '') {
722            $query->where('n_surn', '=', $surn);
723        } elseif ($salpha === ',') {
724            $query->where('n_surn', '=', '');
725        } elseif ($salpha === '@') {
726            $query->where('n_surn', '=', Individual::NOMEN_NESCIO);
727        } elseif ($salpha !== '') {
728            $this->whereInitial($query, 'n_surn', $salpha, $locale);
729        } else {
730            // All surnames
731            $query->whereNotIn('n_surn', ['', Individual::NOMEN_NESCIO]);
732        }
733        $query
734            ->groupBy(['n_surn'])
735            ->groupBy(['n_surname'])
736            ->orderBy('n_surname');
737
738        $list = [];
739
740        foreach ($query->get() as $row) {
741            $list[$row->n_surn][$row->n_surname] = (int) $row->total;
742        }
743
744        return $list;
745    }
746
747    /**
748     * Fetch a list of individuals with specified names
749     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
750     * To search for names with no surnames, use $salpha=","
751     *
752     * @param Tree            $tree
753     * @param string          $surn   if set, only fetch people with this surname
754     * @param string          $salpha if set, only fetch surnames starting with this letter
755     * @param string          $galpha if set, only fetch given names starting with this letter
756     * @param bool            $marnm  if set, include married names
757     * @param bool            $fams   if set, only fetch individuals with FAMS records
758     * @param LocaleInterface $locale
759     *
760     * @return Collection<Individual>
761     */
762    protected function individuals(
763        Tree $tree,
764        string $surn,
765        string $salpha,
766        string $galpha,
767        bool $marnm,
768        bool $fams,
769        LocaleInterface $locale
770    ): Collection {
771        $collation = $this->localization_service->collation($locale);
772
773        // Use specific collation for name fields.
774        $n_givn = $this->fieldWithCollation('n_givn', $collation);
775        $n_surn = $this->fieldWithCollation('n_surn', $collation);
776
777        $query = DB::table('individuals')
778            ->join('name', static function (JoinClause $join): void {
779                $join
780                    ->on('n_id', '=', 'i_id')
781                    ->on('n_file', '=', 'i_file');
782            })
783            ->where('i_file', '=', $tree->id())
784            ->select(['i_id AS xref', 'i_gedcom AS gedcom', 'n_givn', 'n_surn']);
785
786        $this->whereFamily($fams, $query);
787        $this->whereMarriedName($marnm, $query);
788
789        if ($surn) {
790            $query->where($n_surn, '=', $surn);
791        } elseif ($salpha === ',') {
792            $query->where($n_surn, '=', '');
793        } elseif ($salpha === '@') {
794            $query->where($n_surn, '=', Individual::NOMEN_NESCIO);
795        } elseif ($salpha) {
796            $this->whereInitial($query, 'n_surn', $salpha, $locale);
797        } else {
798            // All surnames
799            $query->whereNotIn($n_surn, ['', Individual::NOMEN_NESCIO]);
800        }
801        if ($galpha) {
802            $this->whereInitial($query, 'n_givn', $galpha, $locale);
803        }
804
805        $query
806            ->orderBy(new Expression("CASE n_surn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
807            ->orderBy($n_surn)
808            ->orderBy(new Expression("CASE n_givn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
809            ->orderBy($n_givn);
810
811        $individuals = new Collection();
812        $rows = $query->get();
813
814        foreach ($rows as $row) {
815            $individual = Registry::individualFactory()->make($row->xref, $tree, $row->gedcom);
816            assert($individual instanceof Individual);
817
818            // The name from the database may be private - check the filtered list...
819            foreach ($individual->getAllNames() as $n => $name) {
820                if ($name['givn'] === $row->n_givn && $name['surn'] === $row->n_surn) {
821                    $individual->setPrimaryName($n);
822                    // We need to clone $individual, as we may have multiple references to the
823                    // same individual in this list, and the "primary name" would otherwise
824                    // be shared amongst all of them.
825                    $individuals->push(clone $individual);
826                    break;
827                }
828            }
829        }
830
831        return $individuals;
832    }
833
834    /**
835     * Fetch a list of families with specified names
836     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
837     * To search for names with no surnames, use $salpha=","
838     *
839     * @param Tree            $tree
840     * @param string          $surn   if set, only fetch people with this surname
841     * @param string          $salpha if set, only fetch surnames starting with this letter
842     * @param string          $galpha if set, only fetch given names starting with this letter
843     * @param bool            $marnm  if set, include married names
844     * @param LocaleInterface $locale
845     *
846     * @return Collection<Family>
847     */
848    protected function families(Tree $tree, string $surn, string $salpha, string $galpha, bool $marnm, LocaleInterface $locale): Collection
849    {
850        $families = new Collection();
851
852        foreach ($this->individuals($tree, $surn, $salpha, $galpha, $marnm, true, $locale) as $indi) {
853            foreach ($indi->spouseFamilies() as $family) {
854                $families->push($family);
855            }
856        }
857
858        return $families->unique();
859    }
860
861    /**
862     * Use MySQL-specific comments so we can run these queries on other RDBMS.
863     *
864     * @param string $field
865     * @param string $collation
866     *
867     * @return Expression
868     */
869    protected function fieldWithCollation(string $field, string $collation): Expression
870    {
871        return new Expression($field . ' /*! COLLATE ' . $collation . ' */');
872    }
873
874    /**
875     * Modify a query to restrict a field to a given initial letter.
876     * Take account of digraphs, equialent letters, etc.
877     *
878     * @param Builder         $query
879     * @param string          $field
880     * @param string          $letter
881     * @param LocaleInterface $locale
882     *
883     * @return void
884     */
885    protected function whereInitial(
886        Builder $query,
887        string $field,
888        string $letter,
889        LocaleInterface $locale
890    ): void {
891        $collation = $this->localization_service->collation($locale);
892
893        // Use MySQL-specific comments so we can run these queries on other RDBMS.
894        $field_with_collation = $this->fieldWithCollation($field, $collation);
895
896        switch ($locale->languageTag()) {
897            case 'cs':
898                $this->whereInitialCzech($query, $field_with_collation, $letter);
899                break;
900
901            case 'da':
902            case 'nb':
903            case 'nn':
904                $this->whereInitialNorwegian($query, $field_with_collation, $letter);
905                break;
906
907            case 'sv':
908            case 'fi':
909                $this->whereInitialSwedish($query, $field_with_collation, $letter);
910                break;
911
912            case 'hu':
913                $this->whereInitialHungarian($query, $field_with_collation, $letter);
914                break;
915
916            case 'nl':
917                $this->whereInitialDutch($query, $field_with_collation, $letter);
918                break;
919
920            default:
921                $query->where($field_with_collation, 'LIKE', '\\' . $letter . '%');
922        }
923    }
924
925    /**
926     * @param Builder    $query
927     * @param Expression $field
928     * @param string     $letter
929     */
930    protected function whereInitialCzech(Builder $query, Expression $field, string $letter): void
931    {
932        if ($letter === 'C') {
933            $query->where($field, 'LIKE', 'C%')->where($field, 'NOT LIKE', 'CH%');
934        } else {
935            $query->where($field, 'LIKE', '\\' . $letter . '%');
936        }
937    }
938
939    /**
940     * @param Builder    $query
941     * @param Expression $field
942     * @param string     $letter
943     */
944    protected function whereInitialDutch(Builder $query, Expression $field, string $letter): void
945    {
946        if ($letter === 'I') {
947            $query->where($field, 'LIKE', 'I%')->where($field, 'NOT LIKE', 'IJ%');
948        } else {
949            $query->where($field, 'LIKE', '\\' . $letter . '%');
950        }
951    }
952
953    /**
954     * Hungarian has many digraphs and trigraphs, so exclude these from prefixes.
955     *
956     * @param Builder    $query
957     * @param Expression $field
958     * @param string     $letter
959     */
960    protected function whereInitialHungarian(Builder $query, Expression $field, string $letter): void
961    {
962        switch ($letter) {
963            case 'C':
964                $query->where($field, 'LIKE', 'C%')->where($field, 'NOT LIKE', 'CS%');
965                break;
966
967            case 'D':
968                $query->where($field, 'LIKE', 'D%')->where($field, 'NOT LIKE', 'DZ%');
969                break;
970
971            case 'DZ':
972                $query->where($field, 'LIKE', 'DZ%')->where($field, 'NOT LIKE', 'DZS%');
973                break;
974
975            case 'G':
976                $query->where($field, 'LIKE', 'G%')->where($field, 'NOT LIKE', 'GY%');
977                break;
978
979            case 'L':
980                $query->where($field, 'LIKE', 'L%')->where($field, 'NOT LIKE', 'LY%');
981                break;
982
983            case 'N':
984                $query->where($field, 'LIKE', 'N%')->where($field, 'NOT LIKE', 'NY%');
985                break;
986
987            case 'S':
988                $query->where($field, 'LIKE', 'S%')->where($field, 'NOT LIKE', 'SZ%');
989                break;
990
991            case 'T':
992                $query->where($field, 'LIKE', 'T%')->where($field, 'NOT LIKE', 'TY%');
993                break;
994
995            case 'Z':
996                $query->where($field, 'LIKE', 'Z%')->where($field, 'NOT LIKE', 'ZS%');
997                break;
998
999            default:
1000                $query->where($field, 'LIKE', '\\' . $letter . '%');
1001                break;
1002        }
1003    }
1004
1005    /**
1006     * In Norwegian and Danish, AA gets listed under Å, NOT A
1007     *
1008     * @param Builder    $query
1009     * @param Expression $field
1010     * @param string     $letter
1011     */
1012    protected function whereInitialNorwegian(Builder $query, Expression $field, string $letter): void
1013    {
1014        switch ($letter) {
1015            case 'A':
1016                $query->where($field, 'LIKE', 'A%')->where($field, 'NOT LIKE', 'AA%');
1017                break;
1018
1019            case 'Å':
1020                $query->where(static function (Builder $query) use ($field): void {
1021                    $query
1022                        ->where($field, 'LIKE', 'Å%')
1023                        ->orWhere($field, 'LIKE', 'AA%');
1024                });
1025                break;
1026
1027            default:
1028                $query->where($field, 'LIKE', '\\' . $letter . '%');
1029                break;
1030        }
1031    }
1032
1033    /**
1034     * In Swedish and Finnish, AA gets listed under A, NOT Å (even though Swedish collation says they should).
1035     *
1036     * @param Builder    $query
1037     * @param Expression $field
1038     * @param string     $letter
1039     */
1040    protected function whereInitialSwedish(Builder $query, Expression $field, string $letter): void
1041    {
1042        if ($letter === 'Å') {
1043            $query->where($field, 'LIKE', 'Å%')->where($field, 'NOT LIKE', 'AA%');
1044        } else {
1045            $query->where($field, 'LIKE', '\\' . $letter . '%');
1046        }
1047    }
1048}
1049