xref: /webtrees/app/Module/IndividualListModule.php (revision a5068f91b4349f8a5e47576f9dd749d221f61a10)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 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\Functions\FunctionsPrintLists;
28use Fisharebest\Webtrees\GedcomRecord;
29use Fisharebest\Webtrees\I18N;
30use Fisharebest\Webtrees\Individual;
31use Fisharebest\Webtrees\Registry;
32use Fisharebest\Webtrees\Services\LocalizationService;
33use Fisharebest\Webtrees\Session;
34use Fisharebest\Webtrees\Tree;
35use Illuminate\Database\Capsule\Manager as DB;
36use Illuminate\Database\Query\Builder;
37use Illuminate\Database\Query\Expression;
38use Illuminate\Database\Query\JoinClause;
39use Psr\Http\Message\ResponseInterface;
40use Psr\Http\Message\ServerRequestInterface;
41use Psr\Http\Server\RequestHandlerInterface;
42
43use function app;
44use function array_keys;
45use function assert;
46use function e;
47use function implode;
48use function in_array;
49use function ob_get_clean;
50use function ob_start;
51use function redirect;
52use function route;
53use function usort;
54use function view;
55
56/**
57 * Class IndividualListModule
58 */
59class IndividualListModule extends AbstractModule implements ModuleListInterface, RequestHandlerInterface
60{
61    use ModuleListTrait;
62
63    protected const ROUTE_URL = '/tree/{tree}/individual-list';
64
65    private LocalizationService $localization_service;
66
67    /**
68     * IndividualListModule constructor.
69     *
70     * @param LocalizationService $localization_service
71     */
72    public function __construct(LocalizationService $localization_service)
73    {
74        $this->localization_service = $localization_service;
75    }
76
77    /**
78     * Initialization.
79     *
80     * @return void
81     */
82    public function boot(): void
83    {
84        $router_container = app(RouterContainer::class);
85        assert($router_container instanceof RouterContainer);
86
87        $router_container->getMap()
88            ->get(static::class, static::ROUTE_URL, $this);
89    }
90
91    /**
92     * How should this module be identified in the control panel, etc.?
93     *
94     * @return string
95     */
96    public function title(): string
97    {
98        /* I18N: Name of a module/list */
99        return I18N::translate('Individuals');
100    }
101
102    /**
103     * A sentence describing what this module does.
104     *
105     * @return string
106     */
107    public function description(): string
108    {
109        /* I18N: Description of the “Individuals” module */
110        return I18N::translate('A list of individuals.');
111    }
112
113    /**
114     * CSS class for the URL.
115     *
116     * @return string
117     */
118    public function listMenuClass(): string
119    {
120        return 'menu-list-indi';
121    }
122
123    /**
124     * @param Tree                              $tree
125     * @param array<bool|int|string|array|null> $parameters
126     *
127     * @return string
128     */
129    public function listUrl(Tree $tree, array $parameters = []): string
130    {
131        $xref = app(ServerRequestInterface::class)->getAttribute('xref', '');
132
133        if ($xref !== '') {
134            $individual = Registry::individualFactory()->make($xref, $tree);
135
136            if ($individual instanceof Individual && $individual->canShow()) {
137                $primary_name = $individual->getPrimaryName();
138
139                $parameters['surname'] = $parameters['surname'] ?? $individual->getAllNames()[$primary_name]['surn'] ?? null;
140            }
141        }
142
143        $parameters['tree'] = $tree->name();
144
145        return route(static::class, $parameters);
146    }
147
148    /**
149     * @return array<string>
150     */
151    public function listUrlAttributes(): array
152    {
153        return [];
154    }
155
156    /**
157     * Handle URLs generated by older versions of webtrees
158     *
159     * @param ServerRequestInterface $request
160     *
161     * @return ResponseInterface
162     */
163    public function getListAction(ServerRequestInterface $request): ResponseInterface
164    {
165        return redirect($this->listUrl($request->getAttribute('tree'), $request->getQueryParams()));
166    }
167
168    /**
169     * @param ServerRequestInterface $request
170     *
171     * @return ResponseInterface
172     */
173    public function handle(ServerRequestInterface $request): ResponseInterface
174    {
175        $tree = $request->getAttribute('tree');
176        assert($tree instanceof Tree);
177
178        $user = $request->getAttribute('user');
179        assert($user instanceof UserInterface);
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 ($tree->getPreference('SURNAME_LIST_STYLE')) {
388                        case 'style1':
389                            echo FunctionsPrintLists::surnameList($surns, 3, true, $this, $tree);
390                            break;
391                        case 'style3':
392                            echo FunctionsPrintLists::surnameTagCloud($surns, $this, true, $tree);
393                            break;
394                        case 'style2':
395                        default:
396                            echo view('lists/surnames-table', [
397                                'surnames' => $surns,
398                                'families' => $families,
399                                'module'   => $this,
400                                'tree'     => $tree,
401                            ]);
402                            break;
403                    }
404                } else {
405                    // Show the list
406                    $count = 0;
407                    foreach ($surns as $surnames) {
408                        foreach ($surnames as $total) {
409                            $count += $total;
410                        }
411                    }
412                    // Don't sublist short lists.
413                    if ($count < $tree->getPreference('SUBLIST_TRIGGER_I')) {
414                        $falpha = '';
415                    } else {
416                        $givn_initials = $this->givenAlpha($tree, $surname, $alpha, $show_marnm === 'yes', $families, I18N::locale());
417                        // Break long lists by initial letter of given name
418                        if ($surname !== '' || $show_all === 'yes') {
419                            if ($show_all === 'no') {
420                                echo '<h2 class="wt-page-title">', I18N::translate('Individuals with surname %s', $legend), '</h2>';
421                            }
422                            // Don't show the list until we have some filter criteria
423                            $show = $falpha !== '' || $show_all_firstnames === 'yes' ? 'indi' : 'none';
424                            $list = [];
425                            echo '<ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-given-names">';
426                            foreach ($givn_initials as $givn_initial => $given_count) {
427                                echo '<li class="wt-initials-list-item d-flex">';
428                                if ($given_count > 0) {
429                                    if ($show === 'indi' && $givn_initial === $falpha && $show_all_firstnames === 'no') {
430                                        echo '<a class="wt-initial px-1 active" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->givenNameInitial((string) $givn_initial) . '</a>';
431                                    } else {
432                                        echo '<a class="wt-initial px-1" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->givenNameInitial((string) $givn_initial) . '</a>';
433                                    }
434                                } else {
435                                    echo '<span class="wt-initial px-1 text-muted">' . $this->givenNameInitial((string) $givn_initial) . '</span>';
436                                }
437                                echo '</li>';
438                            }
439                            // Search spiders don't get the "show all" option as the other links give them everything.
440                            if (Session::has('initiated')) {
441                                echo '<li class="wt-initials-list-item d-flex">';
442                                if ($show_all_firstnames === 'yes') {
443                                    echo '<span class="wt-initial px-1 active">' . I18N::translate('All') . '</span>';
444                                } else {
445                                    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>';
446                                }
447                                echo '</li>';
448                            }
449                            echo '</ul>';
450                            echo '<p class="text-center alpha_index">', implode(' | ', $list), '</p>';
451                        }
452                    }
453                    if ($show === 'indi') {
454                        if (!$families) {
455                            echo view('lists/individuals-table', [
456                                'individuals' => $this->individuals($tree, $surname, $alpha, $falpha, $show_marnm === 'yes', false, I18N::locale()),
457                                'sosa'        => false,
458                                'tree'        => $tree,
459                            ]);
460                        } else {
461                            echo view('lists/families-table', [
462                                'families' => $this->families($tree, $surname, $alpha, $falpha, $show_marnm === 'yes', I18N::locale()),
463                                'tree'     => $tree,
464                            ]);
465                        }
466                    }
467                }
468            } ?>
469        </div>
470        <?php
471
472        $html = ob_get_clean();
473
474        return $this->viewResponse('modules/individual-list/page', [
475            'content' => $html,
476            'title'   => $title,
477            'tree'    => $tree,
478        ]);
479    }
480
481    /**
482     * Some initial letters have a special meaning
483     *
484     * @param string $initial
485     *
486     * @return string
487     */
488    protected function givenNameInitial(string $initial): string
489    {
490        if ($initial === '@') {
491            return I18N::translateContext('Unknown given name', '…');
492        }
493
494        return e($initial);
495    }
496
497    /**
498     * Some initial letters have a special meaning
499     *
500     * @param string $initial
501     *
502     * @return string
503     */
504    protected function surnameInitial(string $initial): string
505    {
506        if ($initial === '@') {
507            return I18N::translateContext('Unknown surname', '…');
508        }
509
510        if ($initial === ',') {
511            return I18N::translate('None');
512        }
513
514        return e($initial);
515    }
516
517    /**
518     * Restrict a query to individuals that are a spouse in a family record.
519     *
520     * @param bool    $fams
521     * @param Builder $query
522     */
523    protected function whereFamily(bool $fams, Builder $query): void
524    {
525        if ($fams) {
526            $query->join('link', static function (JoinClause $join): void {
527                $join
528                    ->on('l_from', '=', 'n_id')
529                    ->on('l_file', '=', 'n_file')
530                    ->where('l_type', '=', 'FAMS');
531            });
532        }
533    }
534
535    /**
536     * Restrict a query to include/exclude married names.
537     *
538     * @param bool    $marnm
539     * @param Builder $query
540     */
541    protected function whereMarriedName(bool $marnm, Builder $query): void
542    {
543        if (!$marnm) {
544            $query->where('n_type', '<>', '_MARNM');
545        }
546    }
547
548    /**
549     * Get a list of initial surname letters.
550     *
551     * @param Tree            $tree
552     * @param bool            $marnm if set, include married names
553     * @param bool            $fams  if set, only consider individuals with FAMS records
554     * @param LocaleInterface $locale
555     *
556     * @return array<int>
557     */
558    public function surnameAlpha(Tree $tree, bool $marnm, bool $fams, LocaleInterface $locale): array
559    {
560        $collation = $this->localization_service->collation($locale);
561
562        $n_surn = $this->fieldWithCollation('n_surn', $collation);
563        $alphas = [];
564
565        $query = DB::table('name')->where('n_file', '=', $tree->id());
566
567        $this->whereFamily($fams, $query);
568        $this->whereMarriedName($marnm, $query);
569
570        // Fetch all the letters in our alphabet, whether or not there
571        // are any names beginning with that letter. It looks better to
572        // show the full alphabet, rather than omitting rare letters such as X.
573        foreach ($this->localization_service->alphabet($locale) as $letter) {
574            $query2 = clone $query;
575
576            $this->whereInitial($query2, 'n_surn', $letter, $locale);
577
578            $alphas[$letter] = $query2->count();
579        }
580
581        // Now fetch initial letters that are not in our alphabet,
582        // including "@" (for "@N.N.") and "" for no surname.
583        foreach ($this->localization_service->alphabet($locale) as $n => $letter) {
584            $query->where($n_surn, 'NOT LIKE', $letter . '%');
585        }
586
587        $rows = $query
588            ->groupBy(['initial'])
589            ->orderBy('initial')
590            ->pluck(new Expression('COUNT(*) AS aggregate'), new Expression('SUBSTR(n_surn, 1, 1) AS initial'));
591
592        $specials = ['@', ''];
593
594        foreach ($rows as $alpha => $count) {
595            if (!in_array($alpha, $specials, true)) {
596                $alphas[$alpha] = (int) $count;
597            }
598        }
599
600        // Empty surnames have a special code ',' - as we search for SURN.GIVN
601        foreach ($specials as $special) {
602            if ($rows->has($special)) {
603                $alphas[$special ?: ','] = (int) $rows[$special];
604            }
605        }
606
607        return $alphas;
608    }
609
610    /**
611     * Get a list of initial given name letters for indilist.php and famlist.php
612     *
613     * @param Tree            $tree
614     * @param string          $surn   if set, only consider people with this surname
615     * @param string          $salpha if set, only consider surnames starting with this letter
616     * @param bool            $marnm  if set, include married names
617     * @param bool            $fams   if set, only consider individuals with FAMS records
618     * @param LocaleInterface $locale
619     *
620     * @return array<int>
621     */
622    public function givenAlpha(Tree $tree, string $surn, string $salpha, bool $marnm, bool $fams, LocaleInterface $locale): array
623    {
624        $collation = $this->localization_service->collation($locale);
625
626        $alphas = [];
627
628        $query = DB::table('name')
629            ->where('n_file', '=', $tree->id());
630
631        $this->whereFamily($fams, $query);
632        $this->whereMarriedName($marnm, $query);
633
634        if ($surn !== '') {
635            $n_surn = $this->fieldWithCollation('n_surn', $collation);
636            $query->where($n_surn, '=', $surn);
637        } elseif ($salpha === ',') {
638            $query->where('n_surn', '=', '');
639        } elseif ($salpha === '@') {
640            $query->where('n_surn', '=', Individual::NOMEN_NESCIO);
641        } elseif ($salpha !== '') {
642            $this->whereInitial($query, 'n_surn', $salpha, $locale);
643        } else {
644            // All surnames
645            $query->whereNotIn('n_surn', ['', Individual::NOMEN_NESCIO]);
646        }
647
648        // Fetch all the letters in our alphabet, whether or not there
649        // are any names beginning with that letter. It looks better to
650        // show the full alphabet, rather than omitting rare letters such as X
651        foreach ($this->localization_service->alphabet($locale) as $letter) {
652            $query2 = clone $query;
653
654            $this->whereInitial($query2, 'n_givn', $letter, $locale);
655
656            $alphas[$letter] = $query2->distinct()->count('n_id');
657        }
658
659        $rows = $query
660            ->groupBy(['initial'])
661            ->orderBy('initial')
662            ->pluck(new Expression('COUNT(*) AS aggregate'), new Expression('UPPER(SUBSTR(n_givn, 1, 1)) AS initial'));
663
664        foreach ($rows as $alpha => $count) {
665            if ($alpha !== '@') {
666                $alphas[$alpha] = (int) $count;
667            }
668        }
669
670        if ($rows->has('@')) {
671            $alphas['@'] = (int) $rows['@'];
672        }
673
674        return $alphas;
675    }
676
677    /**
678     * Get a count of actual surnames and variants, based on a "root" surname.
679     *
680     * @param Tree            $tree
681     * @param string          $surn   if set, only count people with this surname
682     * @param string          $salpha if set, only consider surnames starting with this letter
683     * @param bool            $marnm  if set, include married names
684     * @param bool            $fams   if set, only consider individuals with FAMS records
685     * @param LocaleInterface $locale
686     *
687     * @return array<array<int>>
688     */
689    public function surnames(
690        Tree $tree,
691        string $surn,
692        string $salpha,
693        bool $marnm,
694        bool $fams,
695        LocaleInterface $locale
696    ): array {
697        $collation = $this->localization_service->collation($locale);
698
699        $query = DB::table('name')
700            ->where('n_file', '=', $tree->id())
701            ->select([
702                new Expression('UPPER(n_surn /*! COLLATE ' . $collation . ' */) AS n_surn'),
703                new Expression('n_surname /*! COLLATE utf8_bin */ AS n_surname'),
704                new Expression('COUNT(*) AS total'),
705            ]);
706
707        $this->whereFamily($fams, $query);
708        $this->whereMarriedName($marnm, $query);
709
710        if ($surn !== '') {
711            $query->where('n_surn', '=', $surn);
712        } elseif ($salpha === ',') {
713            $query->where('n_surn', '=', '');
714        } elseif ($salpha === '@') {
715            $query->where('n_surn', '=', Individual::NOMEN_NESCIO);
716        } elseif ($salpha !== '') {
717            $this->whereInitial($query, 'n_surn', $salpha, $locale);
718        } else {
719            // All surnames
720            $query->whereNotIn('n_surn', ['', Individual::NOMEN_NESCIO]);
721        }
722        $query
723            ->groupBy(['n_surn'])
724            ->groupBy(['n_surname'])
725            ->orderBy('n_surname');
726
727        $list = [];
728
729        foreach ($query->get() as $row) {
730            $list[$row->n_surn][$row->n_surname] = (int) $row->total;
731        }
732
733        return $list;
734    }
735
736    /**
737     * Fetch a list of individuals with specified names
738     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
739     * To search for names with no surnames, use $salpha=","
740     *
741     * @param Tree            $tree
742     * @param string          $surn   if set, only fetch people with this surname
743     * @param string          $salpha if set, only fetch surnames starting with this letter
744     * @param string          $galpha if set, only fetch given names starting with this letter
745     * @param bool            $marnm  if set, include married names
746     * @param bool            $fams   if set, only fetch individuals with FAMS records
747     * @param LocaleInterface $locale
748     *
749     * @return array<Individual>
750     */
751    public function individuals(
752        Tree $tree,
753        string $surn,
754        string $salpha,
755        string $galpha,
756        bool $marnm,
757        bool $fams,
758        LocaleInterface $locale
759    ): array {
760        $collation = $this->localization_service->collation($locale);
761
762        // Use specific collation for name fields.
763        $n_givn = $this->fieldWithCollation('n_givn', $collation);
764        $n_surn = $this->fieldWithCollation('n_surn', $collation);
765
766        $query = DB::table('individuals')
767            ->join('name', static function (JoinClause $join): void {
768                $join
769                    ->on('n_id', '=', 'i_id')
770                    ->on('n_file', '=', 'i_file');
771            })
772            ->where('i_file', '=', $tree->id())
773            ->select(['i_id AS xref', 'i_gedcom AS gedcom', 'n_givn', 'n_surn']);
774
775        $this->whereFamily($fams, $query);
776        $this->whereMarriedName($marnm, $query);
777
778        if ($surn) {
779            $query->where($n_surn, '=', $surn);
780        } elseif ($salpha === ',') {
781            $query->where($n_surn, '=', '');
782        } elseif ($salpha === '@') {
783            $query->where($n_surn, '=', Individual::NOMEN_NESCIO);
784        } elseif ($salpha) {
785            $this->whereInitial($query, 'n_surn', $salpha, $locale);
786        } else {
787            // All surnames
788            $query->whereNotIn($n_surn, ['', Individual::NOMEN_NESCIO]);
789        }
790        if ($galpha) {
791            $this->whereInitial($query, 'n_givn', $galpha, $locale);
792        }
793
794        $query
795            ->orderBy(new Expression("CASE n_surn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
796            ->orderBy($n_surn)
797            ->orderBy(new Expression("CASE n_givn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
798            ->orderBy($n_givn);
799
800        $list = [];
801        $rows = $query->get();
802
803        foreach ($rows as $row) {
804            $individual = Registry::individualFactory()->make($row->xref, $tree, $row->gedcom);
805            assert($individual instanceof Individual);
806
807            // The name from the database may be private - check the filtered list...
808            foreach ($individual->getAllNames() as $n => $name) {
809                if ($name['givn'] === $row->n_givn && $name['surn'] === $row->n_surn) {
810                    $individual->setPrimaryName($n);
811                    // We need to clone $individual, as we may have multiple references to the
812                    // same individual in this list, and the "primary name" would otherwise
813                    // be shared amongst all of them.
814                    $list[] = clone $individual;
815                    break;
816                }
817            }
818        }
819
820        return $list;
821    }
822
823    /**
824     * Fetch a list of families with specified names
825     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
826     * To search for names with no surnames, use $salpha=","
827     *
828     * @param Tree            $tree
829     * @param string          $surn   if set, only fetch people with this surname
830     * @param string          $salpha if set, only fetch surnames starting with this letter
831     * @param string          $galpha if set, only fetch given names starting with this letter
832     * @param bool            $marnm  if set, include married names
833     * @param LocaleInterface $locale
834     *
835     * @return array<Family>
836     */
837    public function families(Tree $tree, string $surn, string $salpha, string $galpha, bool $marnm, LocaleInterface $locale): array
838    {
839        $list = [];
840        foreach ($this->individuals($tree, $surn, $salpha, $galpha, $marnm, true, $locale) as $indi) {
841            foreach ($indi->spouseFamilies() as $family) {
842                $list[$family->xref()] = $family;
843            }
844        }
845        usort($list, GedcomRecord::nameComparator());
846
847        return $list;
848    }
849
850    /**
851     * Use MySQL-specific comments so we can run these queries on other RDBMS.
852     *
853     * @param string $field
854     * @param string $collation
855     *
856     * @return Expression
857     */
858    protected function fieldWithCollation(string $field, string $collation): Expression
859    {
860        return new Expression($field . ' /*! COLLATE ' . $collation . ' */');
861    }
862
863    /**
864     * Modify a query to restrict a field to a given initial letter.
865     * Take account of digraphs, equialent letters, etc.
866     *
867     * @param Builder         $query
868     * @param string          $field
869     * @param string          $letter
870     * @param LocaleInterface $locale
871     *
872     * @return void
873     */
874    protected function whereInitial(
875        Builder $query,
876        string $field,
877        string $letter,
878        LocaleInterface $locale
879    ): void {
880        $collation = $this->localization_service->collation($locale);
881
882        // Use MySQL-specific comments so we can run these queries on other RDBMS.
883        $field_with_collation = $this->fieldWithCollation($field, $collation);
884
885        switch ($locale->languageTag()) {
886            case 'cs':
887                $this->whereInitialCzech($query, $field_with_collation, $letter);
888                break;
889
890            case 'da':
891            case 'nb':
892            case 'nn':
893                $this->whereInitialNorwegian($query, $field_with_collation, $letter);
894                break;
895
896            case 'sv':
897            case 'fi':
898                $this->whereInitialSwedish($query, $field_with_collation, $letter);
899                break;
900
901            case 'hu':
902                $this->whereInitialHungarian($query, $field_with_collation, $letter);
903                break;
904
905            case 'nl':
906                $this->whereInitialDutch($query, $field_with_collation, $letter);
907                break;
908
909            default:
910                $query->where($field_with_collation, 'LIKE', '\\' . $letter . '%');
911        }
912    }
913
914    /**
915     * @param Builder    $query
916     * @param Expression $field
917     * @param string     $letter
918     */
919    protected function whereInitialCzech(Builder $query, Expression $field, string $letter): void
920    {
921        if ($letter === 'C') {
922            $query->where($field, 'LIKE', 'C%')->where($field, 'NOT LIKE', 'CH%');
923        } else {
924            $query->where($field, 'LIKE', '\\' . $letter . '%');
925        }
926    }
927
928    /**
929     * @param Builder    $query
930     * @param Expression $field
931     * @param string     $letter
932     */
933    protected function whereInitialDutch(Builder $query, Expression $field, string $letter): void
934    {
935        if ($letter === 'I') {
936            $query->where($field, 'LIKE', 'I%')->where($field, 'NOT LIKE', 'IJ%');
937        } else {
938            $query->where($field, 'LIKE', '\\' . $letter . '%');
939        }
940    }
941
942    /**
943     * Hungarian has many digraphs and trigraphs, so exclude these from prefixes.
944     *
945     * @param Builder    $query
946     * @param Expression $field
947     * @param string     $letter
948     */
949    protected function whereInitialHungarian(Builder $query, Expression $field, string $letter): void
950    {
951        switch ($letter) {
952            case 'C':
953                $query->where($field, 'LIKE', 'C%')->where($field, 'NOT LIKE', 'CS%');
954                break;
955
956            case 'D':
957                $query->where($field, 'LIKE', 'D%')->where($field, 'NOT LIKE', 'DZ%');
958                break;
959
960            case 'DZ':
961                $query->where($field, 'LIKE', 'DZ%')->where($field, 'NOT LIKE', 'DZS%');
962                break;
963
964            case 'G':
965                $query->where($field, 'LIKE', 'G%')->where($field, 'NOT LIKE', 'GY%');
966                break;
967
968            case 'L':
969                $query->where($field, 'LIKE', 'L%')->where($field, 'NOT LIKE', 'LY%');
970                break;
971
972            case 'N':
973                $query->where($field, 'LIKE', 'N%')->where($field, 'NOT LIKE', 'NY%');
974                break;
975
976            case 'S':
977                $query->where($field, 'LIKE', 'S%')->where($field, 'NOT LIKE', 'SZ%');
978                break;
979
980            case 'T':
981                $query->where($field, 'LIKE', 'T%')->where($field, 'NOT LIKE', 'TY%');
982                break;
983
984            case 'Z':
985                $query->where($field, 'LIKE', 'Z%')->where($field, 'NOT LIKE', 'ZS%');
986                break;
987
988            default:
989                $query->where($field, 'LIKE', '\\' . $letter . '%');
990                break;
991        }
992    }
993
994    /**
995     * In Norwegian and Danish, AA gets listed under Å, NOT A
996     *
997     * @param Builder    $query
998     * @param Expression $field
999     * @param string     $letter
1000     */
1001    protected function whereInitialNorwegian(Builder $query, Expression $field, string $letter): void
1002    {
1003        switch ($letter) {
1004            case 'A':
1005                $query->where($field, 'LIKE', 'A%')->where($field, 'NOT LIKE', 'AA%');
1006                break;
1007
1008            case 'Å':
1009                $query->where(static function (Builder $query) use ($field): void {
1010                    $query
1011                        ->where($field, 'LIKE', 'Å%')
1012                        ->orWhere($field, 'LIKE', 'AA%');
1013                });
1014                break;
1015
1016            default:
1017                $query->where($field, 'LIKE', '\\' . $letter . '%');
1018                break;
1019        }
1020    }
1021
1022    /**
1023     * In Swedish and Finnish, AA gets listed under A, NOT Å (even though Swedish collation says they should).
1024     *
1025     * @param Builder    $query
1026     * @param Expression $field
1027     * @param string     $letter
1028     */
1029    protected function whereInitialSwedish(Builder $query, Expression $field, string $letter): void
1030    {
1031        if ($letter === 'Å') {
1032            $query->where($field, 'LIKE', 'Å%')->where($field, 'NOT LIKE', 'AA%');
1033        } else {
1034            $query->where($field, 'LIKE', '\\' . $letter . '%');
1035        }
1036    }
1037}
1038