xref: /webtrees/app/Module/IndividualListModule.php (revision 87aa77e368c52d74896cbdd050846eaef1e92979)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 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 Fig\Http\Message\StatusCodeInterface;
23use Fisharebest\Webtrees\Auth;
24use Fisharebest\Webtrees\Contracts\UserInterface;
25use Fisharebest\Webtrees\Family;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Individual;
28use Fisharebest\Webtrees\Registry;
29use Fisharebest\Webtrees\Session;
30use Fisharebest\Webtrees\Tree;
31use Fisharebest\Webtrees\Validator;
32use Illuminate\Database\Capsule\Manager as DB;
33use Illuminate\Database\Query\Builder;
34use Illuminate\Database\Query\Expression;
35use Illuminate\Database\Query\JoinClause;
36use Illuminate\Support\Collection;
37use Psr\Http\Message\ResponseInterface;
38use Psr\Http\Message\ServerRequestInterface;
39use Psr\Http\Server\RequestHandlerInterface;
40
41use function app;
42use function array_filter;
43use function array_keys;
44use function array_map;
45use function array_merge;
46use function array_sum;
47use function array_values;
48use function assert;
49use function e;
50use function implode;
51use function ob_get_clean;
52use function ob_start;
53use function route;
54use function uksort;
55use function usort;
56use function view;
57
58use const ARRAY_FILTER_USE_KEY;
59
60/**
61 * Class IndividualListModule
62 */
63class IndividualListModule extends AbstractModule implements ModuleListInterface, RequestHandlerInterface
64{
65    use ModuleListTrait;
66
67    protected const ROUTE_URL = '/tree/{tree}/individual-list';
68
69    /**
70     * Initialization.
71     *
72     * @return void
73     */
74    public function boot(): void
75    {
76        Registry::routeFactory()->routeMap()
77            ->get(static::class, static::ROUTE_URL, $this);
78    }
79
80    /**
81     * How should this module be identified in the control panel, etc.?
82     *
83     * @return string
84     */
85    public function title(): string
86    {
87        /* I18N: Name of a module/list */
88        return I18N::translate('Individuals');
89    }
90
91    /**
92     * A sentence describing what this module does.
93     *
94     * @return string
95     */
96    public function description(): string
97    {
98        /* I18N: Description of the “Individuals” module */
99        return I18N::translate('A list of individuals.');
100    }
101
102    /**
103     * CSS class for the URL.
104     *
105     * @return string
106     */
107    public function listMenuClass(): string
108    {
109        return 'menu-list-indi';
110    }
111
112    /**
113     * @param Tree                                      $tree
114     * @param array<bool|int|string|array<string>|null> $parameters
115     *
116     * @return string
117     */
118    public function listUrl(Tree $tree, array $parameters = []): string
119    {
120        $request = app(ServerRequestInterface::class);
121        assert($request instanceof ServerRequestInterface);
122
123        $xref = Validator::attributes($request)->isXref()->string('xref', '');
124
125        if ($xref !== '') {
126            $individual = Registry::individualFactory()->make($xref, $tree);
127
128            if ($individual instanceof Individual && $individual->canShow()) {
129                $primary_name = $individual->getPrimaryName();
130
131                $parameters['surname'] ??= $individual->getAllNames()[$primary_name]['surn'] ?? null;
132            }
133        }
134
135        $parameters['tree'] = $tree->name();
136
137        return route(static::class, $parameters);
138    }
139
140    /**
141     * @return array<string>
142     */
143    public function listUrlAttributes(): array
144    {
145        return [];
146    }
147
148    /**
149     * @param ServerRequestInterface $request
150     *
151     * @return ResponseInterface
152     */
153    public function handle(ServerRequestInterface $request): ResponseInterface
154    {
155        $tree = Validator::attributes($request)->tree();
156        $user = Validator::attributes($request)->user();
157
158        Auth::checkComponentAccess($this, ModuleListInterface::class, $tree, $user);
159
160        $surname_param = Validator::queryParams($request)->string('surname', '');
161        $surname       = I18N::strtoupper(I18N::language()->normalize($surname_param));
162
163        $params = [
164            'alpha'               => Validator::queryParams($request)->string('alpha', ''),
165            'falpha'              => Validator::queryParams($request)->string('falpha', ''),
166            'show'                => Validator::queryParams($request)->string('show', 'surn'),
167            'show_all'            => Validator::queryParams($request)->string('show_all', 'no'),
168            'show_all_firstnames' => Validator::queryParams($request)->string('show_all_firstnames', 'no'),
169            'show_marnm'          => Validator::queryParams($request)->string('show_marnm', ''),
170            'surname'             => $surname,
171        ];
172
173        if ($surname_param !== $surname) {
174            return Registry::responseFactory()->redirectUrl($this->listUrl($tree, $params), StatusCodeInterface::STATUS_MOVED_PERMANENTLY);
175        }
176
177        return $this->createResponse($tree, $user, $params, false);
178    }
179
180    /**
181     * @param Tree          $tree
182     * @param UserInterface $user
183     * @param array<string> $params
184     * @param bool          $families
185     *
186     * @return ResponseInterface
187     */
188    protected function createResponse(Tree $tree, UserInterface $user, array $params, bool $families): ResponseInterface
189    {
190        // We show three different lists: initials, surnames and individuals
191
192        // All surnames beginning with this letter, where "@" is unknown and "," is none
193        $alpha = $params['alpha'];
194
195        // All individuals with this surname
196        $surname = $params['surname'];
197
198        // All individuals
199        $show_all = $params['show_all'] === 'yes';
200
201        // Include/exclude married names
202        $show_marnm = $params['show_marnm'];
203
204        // What type of list to display, if any
205        $show = $params['show'];
206
207        // Break long lists down by given name
208        $show_all_firstnames = $params['show_all_firstnames'] === 'yes';
209
210        // All first names beginning with this letter where "@" is unknown
211        $falpha = $params['falpha'];
212
213        // Make sure parameters are consistent with each other.
214        if ($show_all_firstnames) {
215            $falpha = '';
216        }
217
218        if ($show_all) {
219            $alpha   = '';
220            $surname = '';
221        }
222
223        if ($surname !== '') {
224            $alpha = I18N::language()->initialLetter($surname);
225        }
226
227        $all_surnames     = $this->allSurnames($tree, $show_marnm === 'yes', $families);
228        $surname_initials = $this->surnameInitials($all_surnames);
229
230        switch ($show_marnm) {
231            case 'no':
232            case 'yes':
233                $user->setPreference($families ? 'family-list-marnm' : 'individual-list-marnm', $show_marnm);
234                break;
235            default:
236                $show_marnm = $user->getPreference($families ? 'family-list-marnm' : 'individual-list-marnm');
237        }
238
239        // Make sure selections are consistent.
240        // i.e. can’t specify show_all and surname at the same time.
241        if ($show_all) {
242            if ($show_all_firstnames) {
243                $legend  = I18N::translate('All');
244                $params = ['tree' => $tree->name(), 'show_all' => 'yes'];
245                $show    = 'indi';
246            } elseif ($falpha !== '') {
247                $legend  = I18N::translate('All') . ', ' . e($falpha) . '…';
248                $params = ['tree' => $tree->name(), 'show_all' => 'yes'];
249                $show    = 'indi';
250            } else {
251                $legend  = I18N::translate('All');
252                $params = ['tree' => $tree->name(), 'show_all' => 'yes'];
253            }
254        } elseif ($surname !== '') {
255            $show_all = false;
256            if ($surname === Individual::NOMEN_NESCIO) {
257                $legend = I18N::translateContext('Unknown surname', '…');
258                $show   = 'indi'; // The surname list makes no sense with only one surname.
259            } else {
260                // The surname parameter is a root/canonical form. Display the actual surnames found.
261                $variants = array_keys($all_surnames[$surname] ?? [$surname => $surname]);
262                usort($variants, I18N::comparator());
263                $variants = array_map(static fn (string $x): string => $x === '' ? I18N::translate('No surname') : $x, $variants);
264                $legend   = implode('/', $variants);
265                $show     = 'indi'; // The surname list makes no sense with only one surname.
266            }
267            $params = ['tree' => $tree->name(), 'surname' => $surname, 'falpha' => $falpha];
268            switch ($falpha) {
269                case '':
270                    break;
271                case '@':
272                    $legend .= ', ' . I18N::translateContext('Unknown given name', '…');
273                    break;
274                default:
275                    $legend .= ', ' . e($falpha) . '…';
276                    break;
277            }
278        } elseif ($alpha === '@') {
279            $show_all = false;
280            $legend   = I18N::translateContext('Unknown surname', '…');
281            $params   = ['alpha' => $alpha, 'tree' => $tree->name()];
282            $surname  = Individual::NOMEN_NESCIO;
283            $show     = 'indi'; // SURN list makes no sense here
284        } elseif ($alpha === ',') {
285            $show_all = false;
286            $legend   = I18N::translate('No surname');
287            $params = ['alpha' => $alpha, 'tree' => $tree->name()];
288            $show     = 'indi'; // SURN list makes no sense here
289        } elseif ($alpha !== '') {
290            $show_all = false;
291            $legend   = e($alpha) . '…';
292            $params = ['alpha' => $alpha, 'tree' => $tree->name()];
293        } else {
294            $show_all = false;
295            $legend   = '…';
296            $params   = ['tree' => $tree->name()];
297            $show     = 'none'; // Don't show lists until something is chosen
298        }
299        $legend = '<bdi>' . $legend . '</bdi>';
300
301        if ($families) {
302            $title = I18N::translate('Families') . ' — ' . $legend;
303        } else {
304            $title = I18N::translate('Individuals') . ' — ' . $legend;
305        }
306
307        ob_start(); ?>
308        <div class="d-flex flex-column wt-page-options wt-page-options-individual-list d-print-none">
309            <ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-surname">
310
311                <?php foreach ($surname_initials as $letter => $count) : ?>
312                    <li class="wt-initials-list-item d-flex">
313                        <?php if ($count > 0) : ?>
314                            <a href="<?= e($this->listUrl($tree, ['alpha' => $letter, 'tree' => $tree->name()])) ?>" class="wt-initial px-1<?= $letter === $alpha ? ' active' : '' ?> '" title="<?= I18N::number($count) ?>"><?= $this->displaySurnameInitial((string) $letter) ?></a>
315                        <?php else : ?>
316                            <span class="wt-initial px-1 text-muted"><?= $this->displaySurnameInitial((string) $letter) ?></span>
317
318                        <?php endif ?>
319                    </li>
320                <?php endforeach ?>
321
322                <?php if (Session::has('initiated')) : ?>
323                    <!-- Search spiders don't get the "show all" option as the other links give them everything. -->
324                    <li class="wt-initials-list-item d-flex">
325                        <a class="wt-initial px-1<?= $show_all ? ' active' : '' ?>" href="<?= e($this->listUrl($tree, ['show_all' => 'yes'] + $params)) ?>"><?= I18N::translate('All') ?></a>
326                    </li>
327                <?php endif ?>
328            </ul>
329
330            <!-- Search spiders don't get an option to show/hide the surname sublists, nor does it make sense on the all/unknown/surname views -->
331            <?php if ($show !== 'none' && Session::has('initiated')) : ?>
332                <?php if ($show_marnm === 'yes') : ?>
333                    <p>
334                        <a href="<?= e($this->listUrl($tree, ['show' => $show, 'show_marnm' => 'no'] + $params)) ?>">
335                            <?= I18N::translate('Exclude individuals with “%s” as a married name', $legend) ?>
336                        </a>
337                    </p>
338                <?php else : ?>
339                    <p>
340                        <a href="<?= e($this->listUrl($tree, ['show' => $show, 'show_marnm' => 'yes'] + $params)) ?>">
341                            <?= I18N::translate('Include individuals with “%s” as a married name', $legend) ?>
342                        </a>
343                    </p>
344                <?php endif ?>
345
346                <?php if ($alpha !== '@' && $alpha !== ',' && $surname === '') : ?>
347                    <?php if ($show === 'surn') : ?>
348                        <p>
349                            <a href="<?= e($this->listUrl($tree, ['show' => 'indi', 'show_marnm' => 'no'] + $params)) ?>">
350                                <?= I18N::translate('Show the list of individuals') ?>
351                            </a>
352                        </p>
353                    <?php else : ?>
354                        <p>
355                            <a href="<?= e($this->listUrl($tree, ['show' => 'surn', 'show_marnm' => 'no'] + $params)) ?>">
356                                <?= I18N::translate('Show the list of surnames') ?>
357                            </a>
358                        </p>
359                    <?php endif ?>
360                <?php endif ?>
361            <?php endif ?>
362        </div>
363
364        <div class="wt-page-content">
365            <?php
366            if ($show === 'indi' || $show === 'surn') {
367                switch ($alpha) {
368                    case '@':
369                        $surns = array_filter($all_surnames, static fn (string $x): bool => $x === Individual::NOMEN_NESCIO, ARRAY_FILTER_USE_KEY);
370                        break;
371                    case ',':
372                        $surns = array_filter($all_surnames, static fn (string $x): bool => $x === '', ARRAY_FILTER_USE_KEY);
373                        break;
374                    case '':
375                        if ($show_all) {
376                            $surns = array_filter($all_surnames, static fn (string $x): bool => $x !== '' && $x !== Individual::NOMEN_NESCIO, ARRAY_FILTER_USE_KEY);
377                        } else {
378                            $surns = array_filter($all_surnames, static fn (string $x): bool => $x === $surname, ARRAY_FILTER_USE_KEY);
379                        }
380                        break;
381                    default:
382                        if ($surname === '') {
383                            $surns = array_filter($all_surnames, static fn (string $x): bool => I18N::language()->initialLetter($x) === $alpha, ARRAY_FILTER_USE_KEY);
384                        } else {
385                            $surns = array_filter($all_surnames, static fn (string $x): bool => $x === $surname, ARRAY_FILTER_USE_KEY);
386                        }
387                        break;
388                }
389
390                if ($show === 'surn') {
391                    // Show the surname list
392                    switch ($tree->getPreference('SURNAME_LIST_STYLE')) {
393                        case 'style1':
394                            echo view('lists/surnames-column-list', [
395                                'module'   => $this,
396                                'surnames' => $surns,
397                                'totals'   => true,
398                                'tree'     => $tree,
399                            ]);
400                            break;
401                        case 'style3':
402                            echo view('lists/surnames-tag-cloud', [
403                                'module'   => $this,
404                                'surnames' => $surns,
405                                'totals'   => true,
406                                'tree'     => $tree,
407                            ]);
408                            break;
409                        case 'style2':
410                        default:
411                            echo view('lists/surnames-table', [
412                                'families' => $families,
413                                'module'   => $this,
414                                'order'    => [[0, 'asc']],
415                                'surnames' => $surns,
416                                'tree'     => $tree,
417                            ]);
418                            break;
419                    }
420                } else {
421                    // Show the list
422                    $count = array_sum(array_map(static fn (array $x): int => array_sum($x), $surns));
423
424                    // Don't sublist short lists.
425                    if ($count < $tree->getPreference('SUBLIST_TRIGGER_I')) {
426                        $falpha = '';
427                    } else {
428                        // Break long lists by initial letter of given name
429                        $surns         = array_values(array_map(static fn($x): array => array_keys($x), $surns));
430                        $surns         = array_merge(...$surns);
431                        $givn_initials = $this->givenNameInitials($tree, $surns, $show_marnm === 'yes', $families);
432
433                        if ($surname !== '' || $show_all) {
434                            if (!$show_all) {
435                                echo '<h2 class="wt-page-title">', I18N::translate('Individuals with surname %s', $legend), '</h2>';
436                            }
437                            // Don't show the list until we have some filter criteria
438                            $show = $falpha !== '' || $show_all_firstnames ? 'indi' : 'none';
439                            echo '<ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-given-names">';
440                            foreach ($givn_initials as $givn_initial => $given_count) {
441                                echo '<li class="wt-initials-list-item d-flex">';
442                                if ($given_count > 0) {
443                                    if ($show === 'indi' && $givn_initial === $falpha && !$show_all_firstnames) {
444                                        echo '<a class="wt-initial px-1 active" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->displayGivenNameInitial((string) $givn_initial) . '</a>';
445                                    } else {
446                                        echo '<a class="wt-initial px-1" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->displayGivenNameInitial((string) $givn_initial) . '</a>';
447                                    }
448                                } else {
449                                    echo '<span class="wt-initial px-1 text-muted">' . $this->displayGivenNameInitial((string) $givn_initial) . '</span>';
450                                }
451                                echo '</li>';
452                            }
453                            // Search spiders don't get the "show all" option as the other links give them everything.
454                            if (Session::has('initiated')) {
455                                echo '<li class="wt-initials-list-item d-flex">';
456                                if ($show_all_firstnames) {
457                                    echo '<span class="wt-initial px-1 active">' . I18N::translate('All') . '</span>';
458                                } else {
459                                    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>';
460                                }
461                                echo '</li>';
462                            }
463                            echo '</ul>';
464                        }
465                    }
466                    if ($show === 'indi') {
467                        if ($families) {
468                            echo view('lists/families-table', [
469                                'families' => $this->families($tree, $surname, array_keys($all_surnames[$surname] ?? []), $falpha, $show_marnm === 'yes'),
470                                'tree'     => $tree,
471                            ]);
472                        } else {
473                            echo view('lists/individuals-table', [
474                                'individuals' => $this->individuals($tree, $surname, array_keys($all_surnames[$surname] ?? []), $falpha, $show_marnm === 'yes', false),
475                                'sosa'        => false,
476                                'tree'        => $tree,
477                            ]);
478                        }
479                    }
480                }
481            } ?>
482        </div>
483        <?php
484
485        $html = ob_get_clean();
486
487        return $this->viewResponse('modules/individual-list/page', [
488            'content' => $html,
489            'title'   => $title,
490            'tree'    => $tree,
491        ]);
492    }
493
494    /**
495     * Some initial letters have a special meaning
496     *
497     * @param string $initial
498     *
499     * @return string
500     */
501    protected function displayGivenNameInitial(string $initial): string
502    {
503        if ($initial === '@') {
504            return I18N::translateContext('Unknown given name', '…');
505        }
506
507        return e($initial);
508    }
509
510    /**
511     * Some initial letters have a special meaning
512     *
513     * @param string $initial
514     *
515     * @return string
516     */
517    protected function displaySurnameInitial(string $initial): string
518    {
519        if ($initial === '@') {
520            return I18N::translateContext('Unknown surname', '…');
521        }
522
523        if ($initial === ',') {
524            return I18N::translate('No surname');
525        }
526
527        return e($initial);
528    }
529
530    /**
531     * Restrict a query to individuals that are a spouse in a family record.
532     *
533     * @param bool    $fams
534     * @param Builder $query
535     */
536    protected function whereFamily(bool $fams, Builder $query): void
537    {
538        if ($fams) {
539            $query->join('link', static function (JoinClause $join): void {
540                $join
541                    ->on('l_from', '=', 'n_id')
542                    ->on('l_file', '=', 'n_file')
543                    ->where('l_type', '=', 'FAMS');
544            });
545        }
546    }
547
548    /**
549     * Restrict a query to include/exclude married names.
550     *
551     * @param bool    $marnm
552     * @param Builder $query
553     */
554    protected function whereMarriedName(bool $marnm, Builder $query): void
555    {
556        if (!$marnm) {
557            $query->where('n_type', '<>', '_MARNM');
558        }
559    }
560
561    /**
562     * Get a count of individuals with each initial letter
563     *
564     * @param Tree          $tree
565     * @param array<string> $surns if set, only consider people with this surname
566     * @param bool          $marnm if set, include married names
567     * @param bool          $fams  if set, only consider individuals with FAMS records
568     *
569     * @return array<int>
570     */
571    public function givenNameInitials(Tree $tree, array $surns, bool $marnm, bool $fams): array
572    {
573        $initials = [];
574
575        // Ensure our own language comes before others.
576        foreach (I18N::language()->alphabet() as $initial) {
577            $initials[$initial] = 0;
578        }
579
580        $query = DB::table('name')
581            ->where('n_file', '=', $tree->id());
582
583        $this->whereFamily($fams, $query);
584        $this->whereMarriedName($marnm, $query);
585
586        if ($surns !== []) {
587            $query->whereIn('n_surn', $surns);
588        }
589
590        $query
591            ->select($this->binaryColumn('n_givn', 'n_givn'), new Expression('COUNT(*) AS count'))
592            ->groupBy([$this->binaryColumn('n_givn')]);
593
594        foreach ($query->get() as $row) {
595            $initial = I18N::strtoupper(I18N::language()->initialLetter($row->n_givn));
596            $initials[$initial] ??= 0;
597            $initials[$initial] += (int) $row->count;
598        }
599
600        $count_unknown = $initials['@'] ?? 0;
601
602        if ($count_unknown > 0) {
603            unset($initials['@']);
604            $initials['@'] = $count_unknown;
605        }
606
607        return $initials;
608    }
609
610    /**
611     * Get a count of all surnames and variants.
612     *
613     * @param Tree $tree
614     * @param bool $marnm if set, include married names
615     * @param bool $fams  if set, only consider individuals with FAMS records
616     *
617     * @return array<array<int>>
618     */
619    protected function allSurnames(Tree $tree, bool $marnm, bool $fams): array
620    {
621        $query = DB::table('name')
622            ->where('n_file', '=', $tree->id())
623            ->whereNotNull('n_surn') // Filters old records for sources, repositories, etc.
624            ->whereNotNull('n_surname')
625            ->select([
626                $this->binaryColumn('n_surn', 'n_surn'),
627                $this->binaryColumn('n_surname', 'n_surname'),
628                new Expression('COUNT(*) AS total'),
629            ]);
630
631        $this->whereFamily($fams, $query);
632        $this->whereMarriedName($marnm, $query);
633
634        $query->groupBy([
635            $this->binaryColumn('n_surn'),
636            $this->binaryColumn('n_surname'),
637        ]);
638
639        /** @var array<array<int>> $list */
640        $list = [];
641
642        foreach ($query->get() as $row) {
643            $row->n_surn = $row->n_surn === '' ? $row->n_surname : $row->n_surn;
644            $row->n_surn = I18N::strtoupper(I18N::language()->normalize($row->n_surn));
645
646            $list[$row->n_surn][$row->n_surname] ??= 0;
647            $list[$row->n_surn][$row->n_surname] += (int) $row->total;
648        }
649
650        uksort($list, I18N::comparator());
651
652        return $list;
653    }
654
655    /**
656     * Extract initial letters and counts for all surnames.
657     *
658     * @param array<array<int>> $all_surnames
659     *
660     * @return array<int>
661     */
662    protected function surnameInitials(array $all_surnames): array
663    {
664        $initials    = [];
665
666        // Ensure our own language comes before others.
667        foreach (I18N::language()->alphabet() as $initial) {
668            $initials[$initial]    = 0;
669        }
670
671        foreach ($all_surnames as $surn => $surnames) {
672            $initial = I18N::language()->initialLetter((string) $surn);
673
674            $initials[$initial] ??= 0;
675            $initials[$initial] += array_sum($surnames);
676        }
677
678        // Move specials to the end
679        $count_none = $initials[''] ?? 0;
680
681        if ($count_none > 0) {
682            unset($initials['']);
683            $initials[','] = $count_none;
684        }
685
686        $count_unknown = $initials['@'] ?? 0;
687
688        if ($count_unknown > 0) {
689            unset($initials['@']);
690            $initials['@'] = $count_unknown;
691        }
692
693        return $initials;
694    }
695
696    /**
697     * Fetch a list of individuals with specified names
698     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
699     * To search for names with no surnames, use $salpha=","
700     *
701     * @param Tree            $tree
702     * @param string          $surname  if set, only fetch people with this n_surn
703     * @param array<string>   $surnames if set, only fetch people with this n_surname
704     * @param string          $galpha   if set, only fetch given names starting with this letter
705     * @param bool            $marnm    if set, include married names
706     * @param bool            $fams     if set, only fetch individuals with FAMS records
707     *
708     * @return Collection<int,Individual>
709     */
710    protected function individuals(Tree $tree, string $surname, array $surnames, string $galpha, bool $marnm, bool $fams): Collection
711    {
712        $query = DB::table('individuals')
713            ->join('name', static function (JoinClause $join): void {
714                $join
715                    ->on('n_id', '=', 'i_id')
716                    ->on('n_file', '=', 'i_file');
717            })
718            ->where('i_file', '=', $tree->id())
719            ->select(['i_id AS xref', 'i_gedcom AS gedcom', 'n_givn', 'n_surn']);
720
721        $this->whereFamily($fams, $query);
722        $this->whereMarriedName($marnm, $query);
723
724        if ($surnames === []) {
725            // SURN, with no surname
726            $query->where('n_surn', '=', $surname);
727        } else {
728            $query->whereIn($this->binaryColumn('n_surname'), $surnames);
729        }
730
731        $query
732            ->orderBy(new Expression("CASE n_surn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
733            ->orderBy('n_surn')
734            ->orderBy(new Expression("CASE n_givn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
735            ->orderBy('n_givn');
736
737        $individuals = new Collection();
738
739        foreach ($query->get() as $row) {
740            $individual = Registry::individualFactory()->make($row->xref, $tree, $row->gedcom);
741            assert($individual instanceof Individual);
742
743            // The name from the database may be private - check the filtered list...
744            foreach ($individual->getAllNames() as $n => $name) {
745                if ($name['givn'] === $row->n_givn && $name['surn'] === $row->n_surn) {
746                    if ($galpha === '' || I18N::strtoupper(I18N::language()->initialLetter($row->n_givn)) === $galpha) {
747                        $individual->setPrimaryName($n);
748                        // We need to clone $individual, as we may have multiple references to the
749                        // same individual in this list, and the "primary name" would otherwise
750                        // be shared amongst all of them.
751                        $individuals->push(clone $individual);
752                        break;
753                    }
754                }
755            }
756        }
757
758        return $individuals;
759    }
760
761    /**
762     * Fetch a list of families with specified names
763     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
764     * To search for names with no surnames, use $salpha=","
765     *
766     * @param Tree          $tree
767     * @param string        $surname  if set, only fetch people with this n_surn
768     * @param array<string> $surnames if set, only fetch people with this n_surname
769     * @param string        $galpha   if set, only fetch given names starting with this letter
770     * @param bool          $marnm    if set, include married names
771     *
772     * @return Collection<int,Family>
773     */
774    protected function families(Tree $tree, string $surname, array $surnames, string $galpha, bool $marnm): Collection
775    {
776        $families = new Collection();
777
778        foreach ($this->individuals($tree, $surname, $surnames, $galpha, $marnm, true) as $indi) {
779            foreach ($indi->spouseFamilies() as $family) {
780                $families->push($family);
781            }
782        }
783
784        return $families->unique();
785    }
786
787    /**
788     * This module assumes the database will use binary collation on the name columns.
789     * Until we convert MySQL databases to use utf8_bin, we need to do this at run-time.
790     *
791     * @param string      $column
792     * @param string|null $alias
793     *
794     * @return Expression
795     */
796    private function binaryColumn(string $column, string $alias = null): Expression
797    {
798        if (DB::connection()->getDriverName() === 'mysql') {
799            $sql = 'CAST(' . $column . ' AS binary)';
800        } else {
801            $sql = $column;
802        }
803
804        if ($alias !== null) {
805            $sql .= ' AS ' . $alias;
806        }
807
808        return new Expression($sql);
809    }
810}
811