xref: /webtrees/app/Module/IndividualListModule.php (revision 399adda7914829a82bdbe6f65ba19ddcca195ed0)
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 array_filter;
42use function array_keys;
43use function array_map;
44use function array_merge;
45use function array_sum;
46use function array_values;
47use function assert;
48use function e;
49use function implode;
50use function ob_get_clean;
51use function ob_start;
52use function route;
53use function uksort;
54use function usort;
55use function view;
56
57use const ARRAY_FILTER_USE_KEY;
58
59/**
60 * Class IndividualListModule
61 */
62class IndividualListModule extends AbstractModule implements ModuleListInterface, RequestHandlerInterface
63{
64    use ModuleListTrait;
65
66    protected const ROUTE_URL = '/tree/{tree}/individual-list';
67
68    // The individual list and family list use the same code/logic.
69    // They just display different lists.
70    protected bool $families = false;
71
72    /**
73     * Initialization.
74     *
75     * @return void
76     */
77    public function boot(): void
78    {
79        Registry::routeFactory()->routeMap()
80            ->get(static::class, static::ROUTE_URL, $this);
81    }
82
83    /**
84     * How should this module be identified in the control panel, etc.?
85     *
86     * @return string
87     */
88    public function title(): string
89    {
90        /* I18N: Name of a module/list */
91        return I18N::translate('Individuals');
92    }
93
94    /**
95     * A sentence describing what this module does.
96     *
97     * @return string
98     */
99    public function description(): string
100    {
101        /* I18N: Description of the “Individuals” module */
102        return I18N::translate('A list of individuals.');
103    }
104
105    /**
106     * CSS class for the URL.
107     *
108     * @return string
109     */
110    public function listMenuClass(): string
111    {
112        return 'menu-list-indi';
113    }
114
115    /**
116     * @param Tree                                      $tree
117     * @param array<bool|int|string|array<string>|null> $parameters
118     *
119     * @return string
120     */
121    public function listUrl(Tree $tree, array $parameters = []): string
122    {
123        $request = Registry::container()->get(ServerRequestInterface::class);
124        $xref    = Validator::attributes($request)->isXref()->string('xref', '');
125
126        if ($xref !== '') {
127            $individual = Registry::individualFactory()->make($xref, $tree);
128
129            if ($individual instanceof Individual && $individual->canShow()) {
130                $primary_name = $individual->getPrimaryName();
131
132                $parameters['surname'] ??= $individual->getAllNames()[$primary_name]['surn'] ?? null;
133            }
134        }
135
136        $parameters['tree'] = $tree->name();
137
138        return route(static::class, $parameters);
139    }
140
141    /**
142     * @return array<string>
143     */
144    public function listUrlAttributes(): array
145    {
146        return [];
147    }
148
149    /**
150     * @param ServerRequestInterface $request
151     *
152     * @return ResponseInterface
153     */
154    public function handle(ServerRequestInterface $request): ResponseInterface
155    {
156        $tree = Validator::attributes($request)->tree();
157        $user = Validator::attributes($request)->user();
158
159        Auth::checkComponentAccess($this, ModuleListInterface::class, $tree, $user);
160
161        // All individuals with this surname
162        $surname_param = Validator::queryParams($request)->string('surname', '');
163        $surname       = I18N::strtoupper(I18N::language()->normalize($surname_param));
164
165        // All surnames beginning with this letter, where "@" is unknown and "," is none
166        $alpha = Validator::queryParams($request)->string('alpha', '');
167
168        // All first names beginning with this letter where "@" is unknown
169        $falpha = Validator::queryParams($request)->string('falpha', '');
170
171        // What type of list to display, if any
172        $show = Validator::queryParams($request)->string('show', 'surn');
173
174        // All individuals
175        $show_all = Validator::queryParams($request)->string('show_all', '');
176
177        // Include/exclude married names
178        $show_marnm = Validator::queryParams($request)->string('show_marnm', '');
179
180        // Break long lists down by given name
181        $show_all_firstnames = Validator::queryParams($request)->string('show_all_firstnames', '');
182
183        $params = [
184            'alpha'               => $alpha,
185            'falpha'              => $falpha,
186            'show'                => $show,
187            'show_all'            => $show_all,
188            'show_all_firstnames' => $show_all_firstnames,
189            'show_marnm'          => $show_marnm,
190            'surname'             => $surname,
191        ];
192
193        if ($surname_param !== $surname) {
194            return Registry::responseFactory()
195                ->redirectUrl($this->listUrl($tree, $params), StatusCodeInterface::STATUS_MOVED_PERMANENTLY);
196        }
197
198
199        // Make sure parameters are consistent with each other.
200        if ($show_all_firstnames ==='yes') {
201            $falpha = '';
202        }
203
204        if ($show_all === 'yes') {
205            $alpha   = '';
206            $surname = '';
207        }
208
209        if ($surname !== '') {
210            $alpha = I18N::language()->initialLetter($surname);
211        }
212
213        $all_surnames     = $this->allSurnames($tree, $show_marnm === 'yes', $this->families);
214        $surname_initials = $this->surnameInitials($all_surnames);
215
216        // Make sure selections are consistent.
217        // i.e. can’t specify show_all and surname at the same time.
218        if ($show_all === 'yes') {
219            if ($show_all_firstnames === 'yes') {
220                $legend = I18N::translate('All');
221                $params = ['tree' => $tree->name(), 'show_all' => 'yes', 'show_marnm' => $show_marnm];
222                $show   = 'indi';
223            } elseif ($falpha !== '') {
224                $legend = I18N::translate('All') . ', ' . e($falpha) . '…';
225                $params = ['tree' => $tree->name(), 'show_all' => 'yes', 'show_marnm' => $show_marnm];
226                $show   = 'indi';
227            } else {
228                $legend = I18N::translate('All');
229                $params = ['tree' => $tree->name(), 'show_all' => 'yes', 'show_marnm' => $show_marnm];
230            }
231        } elseif ($surname !== '') {
232            $show_all = 'no';
233            if ($surname === Individual::NOMEN_NESCIO) {
234                $legend = I18N::translateContext('Unknown surname', '…');
235                $show   = 'indi'; // The surname list makes no sense with only one surname.
236            } else {
237                // The surname parameter is a root/canonical form. Display the actual surnames found.
238                $variants = array_keys($all_surnames[$surname] ?? [$surname => $surname]);
239                usort($variants, I18N::comparator());
240                $variants = array_map(static fn (string $x): string => $x === '' ? I18N::translate('No surname') : $x, $variants);
241                $legend   = implode('/', $variants);
242                $show     = 'indi'; // The surname list makes no sense with only one surname.
243            }
244            $params = ['tree' => $tree->name(), 'surname' => $surname, 'falpha' => $falpha, 'show_marnm' => $show_marnm];
245            switch ($falpha) {
246                case '':
247                    break;
248                case '@':
249                    $legend .= ', ' . I18N::translateContext('Unknown given name', '…');
250                    break;
251                default:
252                    $legend .= ', ' . e($falpha) . '…';
253                    break;
254            }
255        } elseif ($alpha === '@') {
256            $show_all = 'no';
257            $legend   = I18N::translateContext('Unknown surname', '…');
258            $params   = ['alpha' => $alpha, 'tree' => $tree->name(), 'show_marnm' => $show_marnm];
259            $surname  = Individual::NOMEN_NESCIO;
260            $show     = 'indi'; // SURN list makes no sense here
261        } elseif ($alpha === ',') {
262            $show_all = 'no';
263            $legend   = I18N::translate('No surname');
264            $params   = ['alpha' => $alpha, 'tree' => $tree->name(), 'show_marnm' => $show_marnm];
265            $show     = 'indi'; // SURN list makes no sense here
266        } elseif ($alpha !== '') {
267            $show_all = 'no';
268            $legend   = e($alpha) . '…';
269            $params   = ['alpha' => $alpha, 'tree' => $tree->name(), 'show_marnm' => $show_marnm];
270        } else {
271            $show_all = 'no';
272            $legend   = '…';
273            $params   = ['tree' => $tree->name(), 'show_marnm' => $show_marnm];
274            $show     = 'none'; // Don't show lists until something is chosen
275        }
276        $legend = '<bdi>' . $legend . '</bdi>';
277
278        if ($this->families) {
279            $title = I18N::translate('Families') . ' — ' . $legend;
280        } else {
281            $title = I18N::translate('Individuals') . ' — ' . $legend;
282        }
283
284        ob_start(); ?>
285        <div class="d-flex flex-column wt-page-options wt-page-options-individual-list d-print-none">
286            <ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-surname">
287
288                <?php foreach ($surname_initials as $letter => $count) : ?>
289                    <li class="wt-initials-list-item d-flex">
290                        <?php if ($count > 0) : ?>
291                            <a href="<?= e($this->listUrl($tree, ['alpha' => $letter, 'show_marnm' => $show_marnm, 'tree' => $tree->name()])) ?>" class="wt-initial px-1<?= $letter === $alpha ? ' active' : '' ?> '" title="<?= I18N::number($count) ?>"><?= $this->displaySurnameInitial((string) $letter) ?></a>
292                        <?php else : ?>
293                            <span class="wt-initial px-1 text-muted"><?= $this->displaySurnameInitial((string) $letter) ?></span>
294
295                        <?php endif ?>
296                    </li>
297                <?php endforeach ?>
298
299                <?php if (Session::has('initiated')) : ?>
300                    <!-- Search spiders don't get the "show all" option as the other links give them everything. -->
301                    <li class="wt-initials-list-item d-flex">
302                        <a class="wt-initial px-1<?= $show_all === 'yes' ? ' active' : '' ?>" href="<?= e($this->listUrl($tree, ['show_all' => 'yes'] + $params)) ?>"><?= I18N::translate('All') ?></a>
303                    </li>
304                <?php endif ?>
305            </ul>
306
307            <!-- Search spiders don't get an option to show/hide the surname sublists, nor does it make sense on the all/unknown/surname views -->
308            <?php if ($show !== 'none' && Session::has('initiated')) : ?>
309                <?php if ($show_marnm === 'yes') : ?>
310                    <p>
311                        <a href="<?= e($this->listUrl($tree, ['show' => $show, 'show_marnm' => 'no'] + $params)) ?>">
312                            <?= I18N::translate('Exclude individuals with “%s” as a married name', $legend) ?>
313                        </a>
314                    </p>
315                <?php else : ?>
316                    <p>
317                        <a href="<?= e($this->listUrl($tree, ['show' => $show, 'show_marnm' => 'yes'] + $params)) ?>">
318                            <?= I18N::translate('Include individuals with “%s” as a married name', $legend) ?>
319                        </a>
320                    </p>
321                <?php endif ?>
322
323                <?php if ($alpha !== '@' && $alpha !== ',' && $surname === '') : ?>
324                    <?php if ($show === 'surn') : ?>
325                        <p>
326                            <a href="<?= e($this->listUrl($tree, ['show' => 'indi'] + $params)) ?>">
327                                <?= I18N::translate('Show the list of individuals') ?>
328                            </a>
329                        </p>
330                    <?php else : ?>
331                        <p>
332                            <a href="<?= e($this->listUrl($tree, ['show' => 'surn'] + $params)) ?>">
333                                <?= I18N::translate('Show the list of surnames') ?>
334                            </a>
335                        </p>
336                    <?php endif ?>
337                <?php endif ?>
338            <?php endif ?>
339        </div>
340
341        <div class="wt-page-content">
342            <?php
343            if ($show === 'indi' || $show === 'surn') {
344                switch ($alpha) {
345                    case '@':
346                        $surns = array_filter($all_surnames, static fn (string $x): bool => $x === Individual::NOMEN_NESCIO, ARRAY_FILTER_USE_KEY);
347                        break;
348                    case ',':
349                        $surns = array_filter($all_surnames, static fn (string $x): bool => $x === '', ARRAY_FILTER_USE_KEY);
350                        break;
351                    case '':
352                        if ($show_all === 'yes') {
353                            $surns = array_filter($all_surnames, static fn (string $x): bool => $x !== '' && $x !== Individual::NOMEN_NESCIO, ARRAY_FILTER_USE_KEY);
354                        } else {
355                            $surns = array_filter($all_surnames, static fn (string $x): bool => $x === $surname, ARRAY_FILTER_USE_KEY);
356                        }
357                        break;
358                    default:
359                        if ($surname === '') {
360                            $surns = array_filter($all_surnames, static fn (string $x): bool => I18N::language()->initialLetter($x) === $alpha, ARRAY_FILTER_USE_KEY);
361                        } else {
362                            $surns = array_filter($all_surnames, static fn (string $x): bool => $x === $surname, ARRAY_FILTER_USE_KEY);
363                        }
364                        break;
365                }
366
367                if ($show === 'surn') {
368                    // Show the surname list
369                    switch ($tree->getPreference('SURNAME_LIST_STYLE')) {
370                        case 'style1':
371                            echo view('lists/surnames-column-list', [
372                                'module'   => $this,
373                                'surnames' => $surns,
374                                'totals'   => true,
375                                'tree'     => $tree,
376                            ]);
377                            break;
378                        case 'style3':
379                            echo view('lists/surnames-tag-cloud', [
380                                'module'   => $this,
381                                'surnames' => $surns,
382                                'totals'   => true,
383                                'tree'     => $tree,
384                            ]);
385                            break;
386                        case 'style2':
387                        default:
388                            echo view('lists/surnames-table', [
389                                'families' => $this->families,
390                                'module'   => $this,
391                                'order'    => [[0, 'asc']],
392                                'surnames' => $surns,
393                                'tree'     => $tree,
394                            ]);
395                            break;
396                    }
397                } else {
398                    // Show the list
399                    $count = array_sum(array_map(static fn (array $x): int => array_sum($x), $surns));
400
401                    // Don't sublist short lists.
402                    if ($count < $tree->getPreference('SUBLIST_TRIGGER_I')) {
403                        $falpha = '';
404                    } else {
405                        // Break long lists by initial letter of given name
406                        $surns         = array_values(array_map(static fn ($x): array => array_keys($x), $surns));
407                        $surns         = array_merge(...$surns);
408                        $givn_initials = $this->givenNameInitials($tree, $surns, $show_marnm === 'yes', $this->families);
409
410                        if ($surname !== '' || $show_all === 'yes') {
411                            if ($show_all !== 'yes') {
412                                echo '<h2 class="wt-page-title">', I18N::translate('Individuals with surname %s', $legend), '</h2>';
413                            }
414                            // Don't show the list until we have some filter criteria
415                            $show = $falpha !== '' || $show_all_firstnames === 'yes' ? 'indi' : 'none';
416                            echo '<ul class="d-flex flex-wrap list-unstyled justify-content-center wt-initials-list wt-initials-list-given-names">';
417                            foreach ($givn_initials as $givn_initial => $given_count) {
418                                echo '<li class="wt-initials-list-item d-flex">';
419                                if ($given_count > 0) {
420                                    if ($show === 'indi' && $givn_initial === $falpha && $show_all_firstnames !== 'yes') {
421                                        echo '<a class="wt-initial px-1 active" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->displayGivenNameInitial((string) $givn_initial) . '</a>';
422                                    } else {
423                                        echo '<a class="wt-initial px-1" href="' . e($this->listUrl($tree, ['falpha' => $givn_initial] + $params)) . '" title="' . I18N::number($given_count) . '">' . $this->displayGivenNameInitial((string) $givn_initial) . '</a>';
424                                    }
425                                } else {
426                                    echo '<span class="wt-initial px-1 text-muted">' . $this->displayGivenNameInitial((string) $givn_initial) . '</span>';
427                                }
428                                echo '</li>';
429                            }
430                            // Search spiders don't get the "show all" option as the other links give them everything.
431                            if (Session::has('initiated')) {
432                                echo '<li class="wt-initials-list-item d-flex">';
433                                if ($show_all_firstnames === 'yes') {
434                                    echo '<span class="wt-initial px-1 active">' . I18N::translate('All') . '</span>';
435                                } else {
436                                    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>';
437                                }
438                                echo '</li>';
439                            }
440                            echo '</ul>';
441                        }
442                    }
443                    if ($show === 'indi') {
444                        if ($this->families) {
445                            echo view('lists/families-table', [
446                                'families' => $this->families($tree, $surname, array_keys($all_surnames[$surname] ?? []), $falpha, $show_marnm === 'yes'),
447                                'tree'     => $tree,
448                            ]);
449                        } else {
450                            echo view('lists/individuals-table', [
451                                'individuals' => $this->individuals($tree, $surname, array_keys($all_surnames[$surname] ?? []), $falpha, $show_marnm === 'yes', false),
452                                'sosa'        => false,
453                                'tree'        => $tree,
454                            ]);
455                        }
456                    }
457                }
458            } ?>
459        </div>
460        <?php
461
462        $html = ob_get_clean();
463
464        return $this->viewResponse('modules/individual-list/page', [
465            'content' => $html,
466            'title'   => $title,
467            'tree'    => $tree,
468        ]);
469    }
470
471    /**
472     * Some initial letters have a special meaning
473     *
474     * @param string $initial
475     *
476     * @return string
477     */
478    protected function displayGivenNameInitial(string $initial): string
479    {
480        if ($initial === '@') {
481            return I18N::translateContext('Unknown given name', '…');
482        }
483
484        return e($initial);
485    }
486
487    /**
488     * Some initial letters have a special meaning
489     *
490     * @param string $initial
491     *
492     * @return string
493     */
494    protected function displaySurnameInitial(string $initial): string
495    {
496        if ($initial === '@') {
497            return I18N::translateContext('Unknown surname', '…');
498        }
499
500        if ($initial === ',') {
501            return I18N::translate('No surname');
502        }
503
504        return e($initial);
505    }
506
507    /**
508     * Restrict a query to individuals that are a spouse in a family record.
509     *
510     * @param bool    $fams
511     * @param Builder $query
512     */
513    protected function whereFamily(bool $fams, Builder $query): void
514    {
515        if ($fams) {
516            $query->join('link', static function (JoinClause $join): void {
517                $join
518                    ->on('l_from', '=', 'n_id')
519                    ->on('l_file', '=', 'n_file')
520                    ->where('l_type', '=', 'FAMS');
521            });
522        }
523    }
524
525    /**
526     * Restrict a query to include/exclude married names.
527     *
528     * @param bool    $marnm
529     * @param Builder $query
530     */
531    protected function whereMarriedName(bool $marnm, Builder $query): void
532    {
533        if (!$marnm) {
534            $query->where('n_type', '<>', '_MARNM');
535        }
536    }
537
538    /**
539     * Get a count of individuals with each initial letter
540     *
541     * @param Tree          $tree
542     * @param array<string> $surns if set, only consider people with this surname
543     * @param bool          $marnm if set, include married names
544     * @param bool          $fams  if set, only consider individuals with FAMS records
545     *
546     * @return array<int>
547     */
548    public function givenNameInitials(Tree $tree, array $surns, bool $marnm, bool $fams): array
549    {
550        $initials = [];
551
552        // Ensure our own language comes before others.
553        foreach (I18N::language()->alphabet() as $initial) {
554            $initials[$initial] = 0;
555        }
556
557        $query = DB::table('name')
558            ->where('n_file', '=', $tree->id());
559
560        $this->whereFamily($fams, $query);
561        $this->whereMarriedName($marnm, $query);
562
563        if ($surns !== []) {
564            $query->whereIn('n_surn', $surns);
565        }
566
567        $query
568            ->select([$this->binaryColumn('n_givn', 'n_givn'), new Expression('COUNT(*) AS count')])
569            ->groupBy([$this->binaryColumn('n_givn')]);
570
571        foreach ($query->get() as $row) {
572            $initial = I18N::strtoupper(I18N::language()->initialLetter($row->n_givn));
573            $initials[$initial] ??= 0;
574            $initials[$initial] += (int) $row->count;
575        }
576
577        $count_unknown = $initials['@'] ?? 0;
578
579        if ($count_unknown > 0) {
580            unset($initials['@']);
581            $initials['@'] = $count_unknown;
582        }
583
584        return $initials;
585    }
586
587    /**
588     * Get a count of all surnames and variants.
589     *
590     * @param Tree $tree
591     * @param bool $marnm if set, include married names
592     * @param bool $fams  if set, only consider individuals with FAMS records
593     *
594     * @return array<array<int>>
595     */
596    protected function allSurnames(Tree $tree, bool $marnm, bool $fams): array
597    {
598        $query = DB::table('name')
599            ->where('n_file', '=', $tree->id())
600            ->whereNotNull('n_surn') // Filters old records for sources, repositories, etc.
601            ->whereNotNull('n_surname')
602            ->select([
603                $this->binaryColumn('n_surn', 'n_surn'),
604                $this->binaryColumn('n_surname', 'n_surname'),
605                new Expression('COUNT(*) AS total'),
606            ]);
607
608        $this->whereFamily($fams, $query);
609        $this->whereMarriedName($marnm, $query);
610
611        $query->groupBy([
612            $this->binaryColumn('n_surn'),
613            $this->binaryColumn('n_surname'),
614        ]);
615
616        /** @var array<array<int>> $list */
617        $list = [];
618
619        foreach ($query->get() as $row) {
620            $row->n_surn = $row->n_surn === '' ? $row->n_surname : $row->n_surn;
621            $row->n_surn = I18N::strtoupper(I18N::language()->normalize($row->n_surn));
622
623            $list[$row->n_surn][$row->n_surname] ??= 0;
624            $list[$row->n_surn][$row->n_surname] += (int) $row->total;
625        }
626
627        uksort($list, I18N::comparator());
628
629        return $list;
630    }
631
632    /**
633     * Extract initial letters and counts for all surnames.
634     *
635     * @param array<array<int>> $all_surnames
636     *
637     * @return array<int>
638     */
639    protected function surnameInitials(array $all_surnames): array
640    {
641        $initials    = [];
642
643        // Ensure our own language comes before others.
644        foreach (I18N::language()->alphabet() as $initial) {
645            $initials[$initial]    = 0;
646        }
647
648        foreach ($all_surnames as $surn => $surnames) {
649            $initial = I18N::language()->initialLetter((string) $surn);
650
651            $initials[$initial] ??= 0;
652            $initials[$initial] += array_sum($surnames);
653        }
654
655        // Move specials to the end
656        $count_none = $initials[''] ?? 0;
657
658        if ($count_none > 0) {
659            unset($initials['']);
660            $initials[','] = $count_none;
661        }
662
663        $count_unknown = $initials['@'] ?? 0;
664
665        if ($count_unknown > 0) {
666            unset($initials['@']);
667            $initials['@'] = $count_unknown;
668        }
669
670        return $initials;
671    }
672
673    /**
674     * Fetch a list of individuals with specified names
675     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
676     * To search for names with no surnames, use $salpha=","
677     *
678     * @param Tree            $tree
679     * @param string          $surname  if set, only fetch people with this n_surn
680     * @param array<string>   $surnames if set, only fetch people with this n_surname
681     * @param string          $galpha   if set, only fetch given names starting with this letter
682     * @param bool            $marnm    if set, include married names
683     * @param bool            $fams     if set, only fetch individuals with FAMS records
684     *
685     * @return Collection<int,Individual>
686     */
687    protected function individuals(Tree $tree, string $surname, array $surnames, string $galpha, bool $marnm, bool $fams): Collection
688    {
689        $query = DB::table('individuals')
690            ->join('name', static function (JoinClause $join): void {
691                $join
692                    ->on('n_id', '=', 'i_id')
693                    ->on('n_file', '=', 'i_file');
694            })
695            ->where('i_file', '=', $tree->id())
696            ->select(['i_id AS xref', 'i_gedcom AS gedcom', 'n_givn', 'n_surn']);
697
698        $this->whereFamily($fams, $query);
699        $this->whereMarriedName($marnm, $query);
700
701        if ($surnames === []) {
702            // SURN, with no surname
703            $query->where('n_surn', '=', $surname);
704        } else {
705            $query->whereIn($this->binaryColumn('n_surname'), $surnames);
706        }
707
708        $query
709            ->orderBy(new Expression("CASE n_surn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
710            ->orderBy('n_surn')
711            ->orderBy(new Expression("CASE n_givn WHEN '" . Individual::NOMEN_NESCIO . "' THEN 1 ELSE 0 END"))
712            ->orderBy('n_givn');
713
714        $individuals = new Collection();
715
716        foreach ($query->get() as $row) {
717            $individual = Registry::individualFactory()->make($row->xref, $tree, $row->gedcom);
718            assert($individual instanceof Individual);
719
720            // The name from the database may be private - check the filtered list...
721            foreach ($individual->getAllNames() as $n => $name) {
722                if ($name['givn'] === $row->n_givn && $name['surn'] === $row->n_surn) {
723                    if ($galpha === '' || I18N::strtoupper(I18N::language()->initialLetter($row->n_givn)) === $galpha) {
724                        $individual->setPrimaryName($n);
725                        // We need to clone $individual, as we may have multiple references to the
726                        // same individual in this list, and the "primary name" would otherwise
727                        // be shared amongst all of them.
728                        $individuals->push(clone $individual);
729                        break;
730                    }
731                }
732            }
733        }
734
735        return $individuals;
736    }
737
738    /**
739     * Fetch a list of families with specified names
740     * To search for unknown names, use $surn="@N.N.", $salpha="@" or $galpha="@"
741     * To search for names with no surnames, use $salpha=","
742     *
743     * @param Tree          $tree
744     * @param string        $surname  if set, only fetch people with this n_surn
745     * @param array<string> $surnames if set, only fetch people with this n_surname
746     * @param string        $galpha   if set, only fetch given names starting with this letter
747     * @param bool          $marnm    if set, include married names
748     *
749     * @return Collection<int,Family>
750     */
751    protected function families(Tree $tree, string $surname, array $surnames, string $galpha, bool $marnm): Collection
752    {
753        $families = new Collection();
754
755        foreach ($this->individuals($tree, $surname, $surnames, $galpha, $marnm, true) as $indi) {
756            foreach ($indi->spouseFamilies() as $family) {
757                $families->push($family);
758            }
759        }
760
761        return $families->unique();
762    }
763
764    /**
765     * This module assumes the database will use binary collation on the name columns.
766     * Until we convert MySQL databases to use utf8_bin, we need to do this at run-time.
767     *
768     * @param string      $column
769     * @param string|null $alias
770     *
771     * @return Expression
772     */
773    private function binaryColumn(string $column, string $alias = null): Expression
774    {
775        if (DB::connection()->getDriverName() === 'mysql') {
776            $sql = 'CAST(' . $column . ' AS binary)';
777        } else {
778            $sql = $column;
779        }
780
781        if ($alias !== null) {
782            $sql .= ' AS ' . $alias;
783        }
784
785        return new Expression($sql);
786    }
787}
788