xref: /webtrees/app/Services/SearchService.php (revision 758243710ba2d90d32eabc09cce3fd177f7e7467)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2020 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Services;
21
22use Closure;
23use Fisharebest\Webtrees\Date;
24use Fisharebest\Webtrees\Exceptions\HttpServiceUnavailableException;
25use Fisharebest\Webtrees\Factory;
26use Fisharebest\Webtrees\Family;
27use Fisharebest\Webtrees\Gedcom;
28use Fisharebest\Webtrees\GedcomRecord;
29use Fisharebest\Webtrees\I18N;
30use Fisharebest\Webtrees\Individual;
31use Fisharebest\Webtrees\Media;
32use Fisharebest\Webtrees\Note;
33use Fisharebest\Webtrees\Place;
34use Fisharebest\Webtrees\Repository;
35use Fisharebest\Webtrees\Soundex;
36use Fisharebest\Webtrees\Source;
37use Fisharebest\Webtrees\Submitter;
38use Fisharebest\Webtrees\Tree;
39use Illuminate\Database\Capsule\Manager as DB;
40use Illuminate\Database\Query\Builder;
41use Illuminate\Database\Query\Expression;
42use Illuminate\Database\Query\JoinClause;
43use Illuminate\Support\Collection;
44use stdClass;
45
46use function addcslashes;
47use function array_filter;
48use function array_map;
49use function array_unique;
50use function explode;
51use function implode;
52use function mb_stripos;
53use function preg_match;
54use function preg_quote;
55use function preg_replace;
56
57use const PHP_INT_MAX;
58
59/**
60 * Search trees for genealogy records.
61 */
62class SearchService
63{
64    // Do not attempt to show search results larger than this/
65    protected const MAX_SEARCH_RESULTS = 5000;
66
67    /** @var TreeService */
68    private $tree_service;
69
70    /**
71     * SearchService constructor.
72     *
73     * @param TreeService $tree_service
74     */
75    public function __construct(
76        TreeService $tree_service
77    ) {
78        $this->tree_service = $tree_service;
79    }
80
81    /**
82     * @param Tree[]   $trees
83     * @param string[] $search
84     *
85     * @return Collection<Family>
86     */
87    public function searchFamilies(array $trees, array $search): Collection
88    {
89        $query = DB::table('families');
90
91        $this->whereTrees($query, 'f_file', $trees);
92        $this->whereSearch($query, 'f_gedcom', $search);
93
94        return $query
95            ->get()
96            ->each($this->rowLimiter())
97            ->map($this->familyRowMapper())
98            ->filter(GedcomRecord::accessFilter())
99            ->filter($this->rawGedcomFilter($search));
100    }
101
102    /**
103     * Search for families by name.
104     *
105     * @param Tree[]   $trees
106     * @param string[] $search
107     * @param int      $offset
108     * @param int      $limit
109     *
110     * @return Collection<Family>
111     */
112    public function searchFamilyNames(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
113    {
114        $query = DB::table('families')
115            ->leftJoin('name AS husb_name', static function (JoinClause $join): void {
116                $join
117                    ->on('husb_name.n_file', '=', 'families.f_file')
118                    ->on('husb_name.n_id', '=', 'families.f_husb')
119                    ->where('husb_name.n_type', '<>', '_MARNM');
120            })
121            ->leftJoin('name AS wife_name', static function (JoinClause $join): void {
122                $join
123                    ->on('wife_name.n_file', '=', 'families.f_file')
124                    ->on('wife_name.n_id', '=', 'families.f_wife')
125                    ->where('wife_name.n_type', '<>', '_MARNM');
126            });
127
128        $prefix = DB::connection()->getTablePrefix();
129        $field  = new Expression('COALESCE(' . $prefix . "husb_name.n_full, '') || COALESCE(" . $prefix . "wife_name.n_full, '')");
130
131        $this->whereTrees($query, 'f_file', $trees);
132        $this->whereSearch($query, $field, $search);
133
134        $query
135            ->orderBy('husb_name.n_sort')
136            ->orderBy('wife_name.n_sort')
137            ->select(['families.*', 'husb_name.n_sort', 'wife_name.n_sort'])
138            ->distinct();
139
140        return $this->paginateQuery($query, $this->familyRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
141    }
142
143    /**
144     * @param Place $place
145     *
146     * @return Collection<Family>
147     */
148    public function searchFamiliesInPlace(Place $place): Collection
149    {
150        return DB::table('families')
151            ->join('placelinks', static function (JoinClause $query) {
152                $query
153                    ->on('families.f_file', '=', 'placelinks.pl_file')
154                    ->on('families.f_id', '=', 'placelinks.pl_gid');
155            })
156            ->where('f_file', '=', $place->tree()->id())
157            ->where('pl_p_id', '=', $place->id())
158            ->select(['families.*'])
159            ->get()
160            ->each($this->rowLimiter())
161            ->map($this->familyRowMapper())
162            ->filter(GedcomRecord::accessFilter());
163    }
164
165    /**
166     * @param Tree[]   $trees
167     * @param string[] $search
168     *
169     * @return Collection<Individual>
170     */
171    public function searchIndividuals(array $trees, array $search): Collection
172    {
173        $query = DB::table('individuals');
174
175        $this->whereTrees($query, 'i_file', $trees);
176        $this->whereSearch($query, 'i_gedcom', $search);
177
178        return $query
179            ->get()
180            ->each($this->rowLimiter())
181            ->map($this->individualRowMapper())
182            ->filter(GedcomRecord::accessFilter())
183            ->filter($this->rawGedcomFilter($search));
184    }
185
186    /**
187     * Search for individuals by name.
188     *
189     * @param Tree[]   $trees
190     * @param string[] $search
191     * @param int      $offset
192     * @param int      $limit
193     *
194     * @return Collection<Individual>
195     */
196    public function searchIndividualNames(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
197    {
198        $query = DB::table('individuals')
199            ->join('name', static function (JoinClause $join): void {
200                $join
201                    ->on('name.n_file', '=', 'individuals.i_file')
202                    ->on('name.n_id', '=', 'individuals.i_id');
203            })
204            ->orderBy('n_sort')
205            ->distinct()
206            ->select(['individuals.*', 'n_sort']);
207
208        $this->whereTrees($query, 'i_file', $trees);
209        $this->whereSearch($query, 'n_full', $search);
210
211        return $this->paginateQuery($query, $this->individualRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
212    }
213
214    /**
215     * @param Place $place
216     *
217     * @return Collection<Individual>
218     */
219    public function searchIndividualsInPlace(Place $place): Collection
220    {
221        return DB::table('individuals')
222            ->join('placelinks', static function (JoinClause $join) {
223                $join
224                    ->on('i_file', '=', 'pl_file')
225                    ->on('i_id', '=', 'pl_gid');
226            })
227            ->where('i_file', '=', $place->tree()->id())
228            ->where('pl_p_id', '=', $place->id())
229            ->select(['individuals.*'])
230            ->get()
231            ->each($this->rowLimiter())
232            ->map($this->individualRowMapper())
233            ->filter(GedcomRecord::accessFilter());
234    }
235
236    /**
237     * Search for media objects.
238     *
239     * @param Tree[]   $trees
240     * @param string[] $search
241     * @param int      $offset
242     * @param int      $limit
243     *
244     * @return Collection<Media>
245     */
246    public function searchMedia(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
247    {
248        $query = DB::table('media');
249
250        $this->whereTrees($query, 'media.m_file', $trees);
251        $this->whereSearch($query, 'm_gedcom', $search);
252
253        return $this->paginateQuery($query, $this->mediaRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
254    }
255
256    /**
257     * Search for notes.
258     *
259     * @param Tree[]   $trees
260     * @param string[] $search
261     * @param int      $offset
262     * @param int      $limit
263     *
264     * @return Collection<Note>
265     */
266    public function searchNotes(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
267    {
268        $query = DB::table('other')
269            ->where('o_type', '=', 'NOTE');
270
271        $this->whereTrees($query, 'o_file', $trees);
272        $this->whereSearch($query, 'o_gedcom', $search);
273
274        return $this->paginateQuery($query, $this->noteRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
275    }
276
277    /**
278     * Search for repositories.
279     *
280     * @param Tree[]   $trees
281     * @param string[] $search
282     * @param int      $offset
283     * @param int      $limit
284     *
285     * @return Collection<Repository>
286     */
287    public function searchRepositories(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
288    {
289        $query = DB::table('other')
290            ->where('o_type', '=', 'REPO');
291
292        $this->whereTrees($query, 'o_file', $trees);
293        $this->whereSearch($query, 'o_gedcom', $search);
294
295        return $this->paginateQuery($query, $this->repositoryRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
296    }
297
298    /**
299     * Search for sources.
300     *
301     * @param Tree[]   $trees
302     * @param string[] $search
303     * @param int      $offset
304     * @param int      $limit
305     *
306     * @return Collection<Source>
307     */
308    public function searchSources(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
309    {
310        $query = DB::table('sources');
311
312        $this->whereTrees($query, 's_file', $trees);
313        $this->whereSearch($query, 's_gedcom', $search);
314
315        return $this->paginateQuery($query, $this->sourceRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
316    }
317
318    /**
319     * Search for sources by name.
320     *
321     * @param Tree[]   $trees
322     * @param string[] $search
323     * @param int      $offset
324     * @param int      $limit
325     *
326     * @return Collection<Source>
327     */
328    public function searchSourcesByName(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
329    {
330        $query = DB::table('sources')
331            ->orderBy('s_name');
332
333        $this->whereTrees($query, 's_file', $trees);
334        $this->whereSearch($query, 's_name', $search);
335
336        return $this->paginateQuery($query, $this->sourceRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
337    }
338
339    /**
340     * Search for submitters.
341     *
342     * @param Tree[]   $trees
343     * @param string[] $search
344     * @param int      $offset
345     * @param int      $limit
346     *
347     * @return Collection<Submitter>
348     */
349    public function searchSubmitters(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
350    {
351        $query = DB::table('other')
352            ->where('o_type', '=', 'SUBM');
353
354        $this->whereTrees($query, 'o_file', $trees);
355        $this->whereSearch($query, 'o_gedcom', $search);
356
357        return $this->paginateQuery($query, $this->submitterRowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
358    }
359
360    /**
361     * Search for places.
362     *
363     * @param Tree   $tree
364     * @param string $search
365     * @param int    $offset
366     * @param int    $limit
367     *
368     * @return Collection<Place>
369     */
370    public function searchPlaces(Tree $tree, string $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
371    {
372        $query = DB::table('places AS p0')
373            ->where('p0.p_file', '=', $tree->id())
374            ->leftJoin('places AS p1', 'p1.p_id', '=', 'p0.p_parent_id')
375            ->leftJoin('places AS p2', 'p2.p_id', '=', 'p1.p_parent_id')
376            ->leftJoin('places AS p3', 'p3.p_id', '=', 'p2.p_parent_id')
377            ->leftJoin('places AS p4', 'p4.p_id', '=', 'p3.p_parent_id')
378            ->leftJoin('places AS p5', 'p5.p_id', '=', 'p4.p_parent_id')
379            ->leftJoin('places AS p6', 'p6.p_id', '=', 'p5.p_parent_id')
380            ->leftJoin('places AS p7', 'p7.p_id', '=', 'p6.p_parent_id')
381            ->leftJoin('places AS p8', 'p8.p_id', '=', 'p7.p_parent_id')
382            ->orderBy('p0.p_place')
383            ->orderBy('p1.p_place')
384            ->orderBy('p2.p_place')
385            ->orderBy('p3.p_place')
386            ->orderBy('p4.p_place')
387            ->orderBy('p5.p_place')
388            ->orderBy('p6.p_place')
389            ->orderBy('p7.p_place')
390            ->orderBy('p8.p_place')
391            ->select([
392                'p0.p_place AS place0',
393                'p1.p_place AS place1',
394                'p2.p_place AS place2',
395                'p3.p_place AS place3',
396                'p4.p_place AS place4',
397                'p5.p_place AS place5',
398                'p6.p_place AS place6',
399                'p7.p_place AS place7',
400                'p8.p_place AS place8',
401            ]);
402
403        // Filter each level of the hierarchy.
404        foreach (explode(',', $search, 9) as $level => $string) {
405            $query->where('p' . $level . '.p_place', 'LIKE', '%' . addcslashes($string, '\\%_') . '%');
406        }
407
408        $row_mapper = static function (stdClass $row) use ($tree): Place {
409            $place = implode(', ', array_filter((array) $row));
410
411            return new Place($place, $tree);
412        };
413
414        $filter = static function (): bool {
415            return true;
416        };
417
418        return $this->paginateQuery($query, $row_mapper, $filter, $offset, $limit);
419    }
420
421    /**
422     * @param Tree[]   $trees
423     * @param string[] $fields
424     * @param string[] $modifiers
425     *
426     * @return Collection<Individual>
427     */
428    public function searchIndividualsAdvanced(array $trees, array $fields, array $modifiers): Collection
429    {
430        $fields = array_filter($fields);
431
432        $query = DB::table('individuals')
433            ->select(['individuals.*'])
434            ->distinct();
435
436        $this->whereTrees($query, 'i_file', $trees);
437
438        // Join the following tables
439        $father_name   = false;
440        $mother_name   = false;
441        $spouse_family = false;
442        $indi_name     = false;
443        $indi_dates    = [];
444        $fam_dates     = [];
445        $indi_plac     = false;
446        $fam_plac      = false;
447
448        foreach ($fields as $field_name => $field_value) {
449            if ($field_value !== '') {
450                // Fields can have up to 4 parts, but we only need the first 3 to identify
451                // which tables to select
452                $field_parts = explode(':', $field_name . '::');
453
454                if ($field_parts[0] === 'FAMC') {
455                    // Parent name - FAMC:[HUSB|WIFE]:NAME:[GIVN|SURN]
456                    if ($field_parts[1] === 'HUSB') {
457                        $father_name = true;
458                    } else {
459                        $mother_name = true;
460                    }
461                } elseif ($field_parts[0] === 'NAME') {
462                    // Individual name - NAME:[GIVN|SURN]
463                    $indi_name = true;
464                } elseif ($field_parts[0] === 'FAMS') {
465                    // Family facts - FAMS:NOTE or FAMS:[FACT]:[DATE|PLAC]
466                    $spouse_family = true;
467                    if ($field_parts[2] === 'DATE') {
468                        $fam_dates[] = $field_parts[1];
469                    } elseif ($field_parts[2] === 'PLAC') {
470                        $fam_plac = true;
471                    }
472                } else {
473                    // Individual facts - [FACT] or [FACT]:[DATE|PLAC]
474                    if ($field_parts[1] === 'DATE') {
475                        $indi_dates[] = $field_parts[0];
476                    } elseif ($field_parts[1] === 'PLAC') {
477                        $indi_plac = true;
478                    }
479                }
480            }
481        }
482
483        if ($father_name || $mother_name) {
484            $query->join('link AS l1', static function (JoinClause $join): void {
485                $join
486                    ->on('l1.l_file', '=', 'individuals.i_file')
487                    ->on('l1.l_from', '=', 'individuals.i_id')
488                    ->where('l1.l_type', '=', 'FAMC');
489            });
490
491            if ($father_name) {
492                $query->join('link AS l2', static function (JoinClause $join): void {
493                    $join
494                        ->on('l2.l_file', '=', 'l1.l_file')
495                        ->on('l2.l_from', '=', 'l1.l_to')
496                        ->where('l2.l_type', '=', 'HUSB');
497                });
498                $query->join('name AS father_name', static function (JoinClause $join): void {
499                    $join
500                        ->on('father_name.n_file', '=', 'l2.l_file')
501                        ->on('father_name.n_id', '=', 'l2.l_to');
502                });
503            }
504
505            if ($mother_name) {
506                $query->join('link AS l3', static function (JoinClause $join): void {
507                    $join
508                        ->on('l3.l_file', '=', 'l1.l_file')
509                        ->on('l3.l_from', '=', 'l1.l_to')
510                        ->where('l3.l_type', '=', 'WIFE');
511                });
512                $query->join('name AS mother_name', static function (JoinClause $join): void {
513                    $join
514                        ->on('mother_name.n_file', '=', 'l3.l_file')
515                        ->on('mother_name.n_id', '=', 'l3.l_to');
516                });
517            }
518        }
519
520        if ($spouse_family) {
521            $query->join('link AS l4', static function (JoinClause $join): void {
522                $join
523                    ->on('l4.l_file', '=', 'individuals.i_file')
524                    ->on('l4.l_from', '=', 'individuals.i_id')
525                    ->where('l4.l_type', '=', 'FAMS');
526            });
527            $query->join('families AS spouse_families', static function (JoinClause $join): void {
528                $join
529                    ->on('spouse_families.f_file', '=', 'l4.l_file')
530                    ->on('spouse_families.f_id', '=', 'l4.l_to');
531            });
532        }
533
534        if ($indi_name) {
535            $query->join('name AS individual_name', static function (JoinClause $join): void {
536                $join
537                    ->on('individual_name.n_file', '=', 'individuals.i_file')
538                    ->on('individual_name.n_id', '=', 'individuals.i_id');
539            });
540        }
541
542        foreach (array_unique($indi_dates) as $indi_date) {
543            $query->join('dates AS date_' . $indi_date, static function (JoinClause $join) use ($indi_date): void {
544                $join
545                    ->on('date_' . $indi_date . '.d_file', '=', 'individuals.i_file')
546                    ->on('date_' . $indi_date . '.d_gid', '=', 'individuals.i_id');
547            });
548        }
549
550        foreach (array_unique($fam_dates) as $fam_date) {
551            $query->join('dates AS date_' . $fam_date, static function (JoinClause $join) use ($fam_date): void {
552                $join
553                    ->on('date_' . $fam_date . '.d_file', '=', 'spouse_families.f_file')
554                    ->on('date_' . $fam_date . '.d_gid', '=', 'spouse_families.f_id');
555            });
556        }
557
558        if ($indi_plac) {
559            $query->join('placelinks AS individual_placelinks', static function (JoinClause $join): void {
560                $join
561                    ->on('individual_placelinks.pl_file', '=', 'individuals.i_file')
562                    ->on('individual_placelinks.pl_gid', '=', 'individuals.i_id');
563            });
564            $query->join('places AS individual_places', static function (JoinClause $join): void {
565                $join
566                    ->on('individual_places.p_file', '=', 'individual_placelinks.pl_file')
567                    ->on('individual_places.p_id', '=', 'individual_placelinks.pl_p_id');
568            });
569        }
570
571        if ($fam_plac) {
572            $query->join('placelinks AS familyl_placelinks', static function (JoinClause $join): void {
573                $join
574                    ->on('familyl_placelinks.pl_file', '=', 'individuals.i_file')
575                    ->on('familyl_placelinks.pl_gid', '=', 'individuals.i_id');
576            });
577            $query->join('places AS family_places', static function (JoinClause $join): void {
578                $join
579                    ->on('family_places.p_file', '=', 'familyl_placelinks.pl_file')
580                    ->on('family_places.p_id', '=', 'familyl_placelinks.pl_p_id');
581            });
582        }
583
584        foreach ($fields as $field_name => $field_value) {
585            $parts = explode(':', $field_name . ':::');
586            if ($parts[0] === 'NAME') {
587                // NAME:*
588                switch ($parts[1]) {
589                    case 'GIVN':
590                        switch ($modifiers[$field_name]) {
591                            case 'EXACT':
592                                $query->where('individual_name.n_givn', '=', $field_value);
593                                break;
594                            case 'BEGINS':
595                                $query->where('individual_name.n_givn', 'LIKE', $field_value . '%');
596                                break;
597                            case 'CONTAINS':
598                                $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
599                                break;
600                            case 'SDX_STD':
601                                $sdx = Soundex::russell($field_value);
602                                if ($sdx !== '') {
603                                    $this->wherePhonetic($query, 'individual_name.n_soundex_givn_std', $sdx);
604                                } else {
605                                    // No phonetic content? Use a substring match
606                                    $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
607                                }
608                                break;
609                            case 'SDX': // SDX uses DM by default.
610                            case 'SDX_DM':
611                                $sdx = Soundex::daitchMokotoff($field_value);
612                                if ($sdx !== '') {
613                                    $this->wherePhonetic($query, 'individual_name.n_soundex_givn_dm', $sdx);
614                                } else {
615                                    // No phonetic content? Use a substring match
616                                    $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
617                                }
618                                break;
619                        }
620                        break;
621                    case 'SURN':
622                        switch ($modifiers[$field_name]) {
623                            case 'EXACT':
624                                $query->where(function (Builder $query) use ($field_value): void {
625                                    $query
626                                        ->where('individual_name.n_surn', '=', $field_value)
627                                        ->orWhere('individual_name.n_surname', '=', $field_value);
628                                });
629                                break;
630                            case 'BEGINS':
631                                $query->where(function (Builder $query) use ($field_value): void {
632                                    $query
633                                        ->where('individual_name.n_surn', 'LIKE', $field_value . '%')
634                                        ->orWhere('individual_name.n_surname', 'LIKE', $field_value . '%');
635                                });
636                                break;
637                            case 'CONTAINS':
638                                $query->where(function (Builder $query) use ($field_value): void {
639                                    $query
640                                        ->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%')
641                                        ->orWhere('individual_name.n_surname', 'LIKE', '%' . $field_value . '%');
642                                });
643                                break;
644                            case 'SDX_STD':
645                                $sdx = Soundex::russell($field_value);
646                                if ($sdx !== '') {
647                                    $this->wherePhonetic($query, 'individual_name.n_soundex_surn_std', $sdx);
648                                } else {
649                                    // No phonetic content? Use a substring match
650                                    $query->where(function (Builder $query) use ($field_value): void {
651                                        $query
652                                            ->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%')
653                                            ->orWhere('individual_name.n_surname', 'LIKE', '%' . $field_value . '%');
654                                    });
655                                }
656                                break;
657                            case 'SDX': // SDX uses DM by default.
658                            case 'SDX_DM':
659                                $sdx = Soundex::daitchMokotoff($field_value);
660                                if ($sdx !== '') {
661                                    $this->wherePhonetic($query, 'individual_name.n_soundex_surn_dm', $sdx);
662                                } else {
663                                    // No phonetic content? Use a substring match
664                                    $query->where(function (Builder $query) use ($field_value): void {
665                                        $query
666                                            ->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%')
667                                            ->orWhere('individual_name.n_surname', 'LIKE', '%' . $field_value . '%');
668                                    });
669                                }
670                                break;
671                        }
672                        unset($fields[$field_name]);
673                        break;
674                    case 'NICK':
675                    case '_MARNM':
676                    case '_HEB':
677                    case '_AKA':
678                        $like = "%\n1 " . $parts[0] . "%\n2 " . $parts[1] . ' %' . preg_quote($field_value, '/') . '%';
679                        $query->where('individuals.i_gedcom', 'LIKE', $like);
680                        break;
681                }
682            } elseif ($parts[1] === 'DATE') {
683                // *:DATE
684                $date = new Date($field_value);
685                if ($date->isOK()) {
686                    $delta = 365 * ($modifiers[$field_name] ?? 0);
687                    $query
688                        ->where('date_' . $parts[0] . '.d_fact', '=', $parts[0])
689                        ->where('date_' . $parts[0] . '.d_julianday1', '>=', $date->minimumJulianDay() - $delta)
690                        ->where('date_' . $parts[0] . '.d_julianday2', '<=', $date->maximumJulianDay() + $delta);
691                }
692                unset($fields[$field_name]);
693            } elseif ($parts[0] === 'FAMS' && $parts[2] === 'DATE') {
694                // FAMS:*:DATE
695                $date = new Date($field_value);
696                if ($date->isOK()) {
697                    $delta = 365 * $modifiers[$field_name];
698                    $query
699                        ->where('date_' . $parts[1] . '.d_fact', '=', $parts[1])
700                        ->where('date_' . $parts[1] . '.d_julianday1', '>=', $date->minimumJulianDay() - $delta)
701                        ->where('date_' . $parts[1] . '.d_julianday2', '<=', $date->maximumJulianDay() + $delta);
702                }
703                unset($fields[$field_name]);
704            } elseif ($parts[1] === 'PLAC') {
705                // *:PLAC
706                // SQL can only link a place to a person/family, not to an event.
707                $query->where('individual_places.p_place', 'LIKE', '%' . $field_value . '%');
708            } elseif ($parts[0] === 'FAMS' && $parts[2] === 'PLAC') {
709                // FAMS:*:PLAC
710                // SQL can only link a place to a person/family, not to an event.
711                $query->where('family_places.p_place', 'LIKE', '%' . $field_value . '%');
712            } elseif ($parts[0] === 'FAMC' && $parts[2] === 'NAME') {
713                $table = $parts[1] === 'HUSB' ? 'father_name' : 'mother_name';
714                // NAME:*
715                switch ($parts[3]) {
716                    case 'GIVN':
717                        switch ($modifiers[$field_name]) {
718                            case 'EXACT':
719                                $query->where($table . '.n_givn', '=', $field_value);
720                                break;
721                            case 'BEGINS':
722                                $query->where($table . '.n_givn', 'LIKE', $field_value . '%');
723                                break;
724                            case 'CONTAINS':
725                                $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
726                                break;
727                            case 'SDX_STD':
728                                $sdx = Soundex::russell($field_value);
729                                if ($sdx !== '') {
730                                    $this->wherePhonetic($query, $table . '.n_soundex_givn_std', $sdx);
731                                } else {
732                                    // No phonetic content? Use a substring match
733                                    $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
734                                }
735                                break;
736                            case 'SDX': // SDX uses DM by default.
737                            case 'SDX_DM':
738                                $sdx = Soundex::daitchMokotoff($field_value);
739                                if ($sdx !== '') {
740                                    $this->wherePhonetic($query, $table . '.n_soundex_givn_dm', $sdx);
741                                } else {
742                                    // No phonetic content? Use a substring match
743                                    $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
744                                }
745                                break;
746                        }
747                        break;
748                    case 'SURN':
749                        switch ($modifiers[$field_name]) {
750                            case 'EXACT':
751                                $query->where($table . '.n_surn', '=', $field_value);
752                                break;
753                            case 'BEGINS':
754                                $query->where($table . '.n_surn', 'LIKE', $field_value . '%');
755                                break;
756                            case 'CONTAINS':
757                                $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
758                                break;
759                            case 'SDX_STD':
760                                $sdx = Soundex::russell($field_value);
761                                if ($sdx !== '') {
762                                    $this->wherePhonetic($query, $table . '.n_soundex_surn_std', $sdx);
763                                } else {
764                                    // No phonetic content? Use a substring match
765                                    $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
766                                }
767                                break;
768                            case 'SDX': // SDX uses DM by default.
769                            case 'SDX_DM':
770                                $sdx = Soundex::daitchMokotoff($field_value);
771                                if ($sdx !== '') {
772                                    $this->wherePhonetic($query, $table . '.n_soundex_surn_dm', $sdx);
773                                } else {
774                                    // No phonetic content? Use a substring match
775                                    $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
776                                }
777                                break;
778                        }
779                        break;
780                }
781                unset($fields[$field_name]);
782            } elseif ($parts[0] === 'FAMS') {
783                // e.g. searches for occupation, religion, note, etc.
784                // Initial matching only.  Need PHP to apply filter.
785                $query->where('spouse_families.f_gedcom', 'LIKE', "%\n1 " . $parts[1] . ' %' . $field_value . '%');
786            } elseif ($parts[1] === 'TYPE') {
787                // e.g. FACT:TYPE or EVEN:TYPE
788                // Initial matching only.  Need PHP to apply filter.
789                $query->where('individuals.i_gedcom', 'LIKE', "%\n1 " . $parts[0] . "%\n2 TYPE %" . $field_value . '%');
790            } else {
791                // e.g. searches for occupation, religion, note, etc.
792                // Initial matching only.  Need PHP to apply filter.
793                $query->where('individuals.i_gedcom', 'LIKE', "%\n1 " . $parts[0] . '%' . $parts[1] . '%' . $field_value . '%');
794            }
795        }
796
797        return $query
798            ->get()
799            ->each($this->rowLimiter())
800            ->map($this->individualRowMapper())
801            ->filter(GedcomRecord::accessFilter())
802            ->filter(static function (Individual $individual) use ($fields): bool {
803                // Check for searches which were only partially matched by SQL
804                foreach ($fields as $field_name => $field_value) {
805                    $parts = explode(':', $field_name . '::::');
806
807                    // NAME:*
808                    if ($parts[0] === 'NAME') {
809                        $regex = '/\n1 NAME.*(?:\n2.*)*\n2 ' . $parts[1] . ' .*' . preg_quote($field_value, '/') . '/i';
810
811                        if (preg_match($regex, $individual->gedcom())) {
812                            continue;
813                        }
814
815                        return false;
816                    }
817
818                    $regex = '/' . preg_quote($field_value, '/') . '/i';
819
820                    // *:PLAC
821                    if ($parts[1] === 'PLAC') {
822                        foreach ($individual->facts([$parts[0]]) as $fact) {
823                            if (preg_match($regex, $fact->place()->gedcomName())) {
824                                continue 2;
825                            }
826                        }
827                        return false;
828                    }
829
830                    // FAMS:*:PLAC
831                    if ($parts[0] === 'FAMS' && $parts[2] === 'PLAC') {
832                        foreach ($individual->spouseFamilies() as $family) {
833                            foreach ($family->facts([$parts[1]]) as $fact) {
834                                if (preg_match($regex, $fact->place()->gedcomName())) {
835                                    continue 2;
836                                }
837                            }
838                        }
839                        return false;
840                    }
841
842                    // e.g. searches for occupation, religion, note, etc.
843                    if ($parts[0] === 'FAMS') {
844                        foreach ($individual->spouseFamilies() as $family) {
845                            foreach ($family->facts([$parts[1]]) as $fact) {
846                                if (preg_match($regex, $fact->value())) {
847                                    continue 3;
848                                }
849                            }
850                        }
851                        return false;
852                    }
853
854                    // e.g. FACT:TYPE or EVEN:TYPE
855                    if ($parts[1] === 'TYPE' || $parts[1] === '_WT_USER') {
856                        foreach ($individual->facts([$parts[0]]) as $fact) {
857                            if (preg_match($regex, $fact->attribute($parts[1]))) {
858                                continue 2;
859                            }
860                        }
861
862                        return false;
863                    }
864                }
865
866                return true;
867            });
868    }
869
870    /**
871     * @param string $soundex
872     * @param string $lastname
873     * @param string $firstname
874     * @param string $place
875     * @param Tree[] $search_trees
876     *
877     * @return Collection<Individual>
878     */
879    public function searchIndividualsPhonetic(string $soundex, string $lastname, string $firstname, string $place, array $search_trees): Collection
880    {
881        switch ($soundex) {
882            default:
883            case 'Russell':
884                $givn_sdx   = Soundex::russell($firstname);
885                $surn_sdx   = Soundex::russell($lastname);
886                $plac_sdx   = Soundex::russell($place);
887                $givn_field = 'n_soundex_givn_std';
888                $surn_field = 'n_soundex_surn_std';
889                $plac_field = 'p_std_soundex';
890                break;
891            case 'DaitchM':
892                $givn_sdx   = Soundex::daitchMokotoff($firstname);
893                $surn_sdx   = Soundex::daitchMokotoff($lastname);
894                $plac_sdx   = Soundex::daitchMokotoff($place);
895                $givn_field = 'n_soundex_givn_dm';
896                $surn_field = 'n_soundex_surn_dm';
897                $plac_field = 'p_dm_soundex';
898                break;
899        }
900
901        // Nothing to search for? Return nothing.
902        if ($givn_sdx === '' && $surn_sdx === '' && $plac_sdx === '') {
903            return new Collection();
904        }
905
906        $query = DB::table('individuals')
907            ->select(['individuals.*'])
908            ->distinct();
909
910        $this->whereTrees($query, 'i_file', $search_trees);
911
912        if ($plac_sdx !== '') {
913            $query->join('placelinks', static function (JoinClause $join): void {
914                $join
915                    ->on('placelinks.pl_file', '=', 'individuals.i_file')
916                    ->on('placelinks.pl_gid', '=', 'individuals.i_id');
917            });
918            $query->join('places', static function (JoinClause $join): void {
919                $join
920                    ->on('places.p_file', '=', 'placelinks.pl_file')
921                    ->on('places.p_id', '=', 'placelinks.pl_p_id');
922            });
923
924            $this->wherePhonetic($query, $plac_field, $plac_sdx);
925        }
926
927        if ($givn_sdx !== '' || $surn_sdx !== '') {
928            $query->join('name', static function (JoinClause $join): void {
929                $join
930                    ->on('name.n_file', '=', 'individuals.i_file')
931                    ->on('name.n_id', '=', 'individuals.i_id');
932            });
933
934            $this->wherePhonetic($query, $givn_field, $givn_sdx);
935            $this->wherePhonetic($query, $surn_field, $surn_sdx);
936        }
937
938        return $query
939            ->get()
940            ->each($this->rowLimiter())
941            ->map($this->individualRowMapper())
942            ->filter(GedcomRecord::accessFilter());
943    }
944
945    /**
946     * Paginate a search query.
947     *
948     * @param Builder $query      Searches the database for the desired records.
949     * @param Closure $row_mapper Converts a row from the query into a record.
950     * @param Closure $row_filter
951     * @param int     $offset     Skip this many rows.
952     * @param int     $limit      Take this many rows.
953     *
954     * @return Collection<mixed>
955     */
956    private function paginateQuery(Builder $query, Closure $row_mapper, Closure $row_filter, int $offset, int $limit): Collection
957    {
958        $collection = new Collection();
959
960        foreach ($query->cursor() as $row) {
961            $record = $row_mapper($row);
962            // If the object has a method "canShow()", then use it to filter for privacy.
963            if ($row_filter($record)) {
964                if ($offset > 0) {
965                    $offset--;
966                } else {
967                    if ($limit > 0) {
968                        $collection->push($record);
969                    }
970
971                    $limit--;
972
973                    if ($limit === 0) {
974                        break;
975                    }
976                }
977            }
978        }
979
980
981        return $collection;
982    }
983
984    /**
985     * Apply search filters to a SQL query column.  Apply collation rules to MySQL.
986     *
987     * @param Builder           $query
988     * @param Expression|string $field
989     * @param string[]          $search_terms
990     */
991    private function whereSearch(Builder $query, $field, array $search_terms): void
992    {
993        if ($field instanceof Expression) {
994            $field = $field->getValue();
995        }
996
997        foreach ($search_terms as $search_term) {
998            $query->where(new Expression($field), 'LIKE', '%' . addcslashes($search_term, '\\%_') . '%');
999        }
1000    }
1001
1002    /**
1003     * Apply soundex search filters to a SQL query column.
1004     *
1005     * @param Builder           $query
1006     * @param Expression|string $field
1007     * @param string            $soundex
1008     */
1009    private function wherePhonetic(Builder $query, $field, string $soundex): void
1010    {
1011        if ($soundex !== '') {
1012            $query->where(static function (Builder $query) use ($soundex, $field): void {
1013                foreach (explode(':', $soundex) as $sdx) {
1014                    $query->orWhere($field, 'LIKE', '%' . $sdx . '%');
1015                }
1016            });
1017        }
1018    }
1019
1020    /**
1021     * @param Builder $query
1022     * @param string  $tree_id_field
1023     * @param Tree[]  $trees
1024     */
1025    private function whereTrees(Builder $query, string $tree_id_field, array $trees): void
1026    {
1027        $tree_ids = array_map(static function (Tree $tree): int {
1028            return $tree->id();
1029        }, $trees);
1030
1031        $query->whereIn($tree_id_field, $tree_ids);
1032    }
1033
1034    /**
1035     * Find the media object that uses a particular media file.
1036     *
1037     * @param string $file
1038     *
1039     * @return Media[]
1040     */
1041    public function findMediaObjectsForMediaFile(string $file): array
1042    {
1043        return DB::table('media')
1044            ->join('media_file', static function (JoinClause $join): void {
1045                $join
1046                    ->on('media_file.m_file', '=', 'media.m_file')
1047                    ->on('media_file.m_id', '=', 'media.m_id');
1048            })
1049            ->join('gedcom_setting', 'media.m_file', '=', 'gedcom_setting.gedcom_id')
1050            ->where(new Expression('setting_value || multimedia_file_refn'), '=', $file)
1051            ->select(['media.*'])
1052            ->distinct()
1053            ->get()
1054            ->map($this->mediaRowMapper())
1055            ->all();
1056    }
1057
1058    /**
1059     * A closure to filter records by privacy-filtered GEDCOM data.
1060     *
1061     * @param array<string> $search_terms
1062     *
1063     * @return Closure
1064     */
1065    private function rawGedcomFilter(array $search_terms): Closure
1066    {
1067        return static function (GedcomRecord $record) use ($search_terms): bool {
1068            // Ignore non-genealogy fields
1069            $gedcom = preg_replace('/\n\d (?:_UID|_WT_USER) .*/', '', $record->gedcom());
1070
1071            // Ignore matches in links
1072            $gedcom = preg_replace('/\n\d ' . Gedcom::REGEX_TAG . '( @' . Gedcom::REGEX_XREF . '@)?/', '', $gedcom);
1073
1074            // Re-apply the filtering
1075            foreach ($search_terms as $search_term) {
1076                if (mb_stripos($gedcom, $search_term) === false) {
1077                    return false;
1078                }
1079            }
1080
1081            return true;
1082        };
1083    }
1084
1085    /**
1086     * Searching for short or common text can give more results than the system can process.
1087     *
1088     * @param int $limit
1089     *
1090     * @return Closure
1091     */
1092    private function rowLimiter(int $limit = self::MAX_SEARCH_RESULTS): Closure
1093    {
1094        return static function () use ($limit): void {
1095            static $n = 0;
1096
1097            if (++$n > $limit) {
1098                $message = I18N::translate('The search returned too many results.');
1099
1100                throw new HttpServiceUnavailableException($message);
1101            }
1102        };
1103    }
1104
1105    /**
1106     * Convert a row from any tree in the families table into a family object.
1107     *
1108     * @return Closure
1109     */
1110    private function familyRowMapper(): Closure
1111    {
1112        return function (stdClass $row): Family {
1113            $tree = $this->tree_service->find((int) $row->f_file);
1114
1115            return Factory::family()->mapper($tree)($row);
1116        };
1117    }
1118
1119    /**
1120     * Convert a row from any tree in the individuals table into an individual object.
1121     *
1122     * @return Closure
1123     */
1124    private function individualRowMapper(): Closure
1125    {
1126        return function (stdClass $row): Individual {
1127            $tree = $this->tree_service->find((int) $row->i_file);
1128
1129            return Factory::individual()->mapper($tree)($row);
1130        };
1131    }
1132
1133    /**
1134     * Convert a row from any tree in the media table into an media object.
1135     *
1136     * @return Closure
1137     */
1138    private function mediaRowMapper(): Closure
1139    {
1140        return function (stdClass $row): Media {
1141            $tree = $this->tree_service->find((int) $row->m_file);
1142
1143            return Factory::media()->mapper($tree)($row);
1144        };
1145    }
1146
1147    /**
1148     * Convert a row from any tree in the other table into a note object.
1149     *
1150     * @return Closure
1151     */
1152    private function noteRowMapper(): Closure
1153    {
1154        return function (stdClass $row): Note {
1155            $tree = $this->tree_service->find((int) $row->o_file);
1156
1157            return Factory::note()->mapper($tree)($row);
1158        };
1159    }
1160
1161    /**
1162     * Convert a row from any tree in the other table into a repository object.
1163     *
1164     * @return Closure
1165     */
1166    private function repositoryRowMapper(): Closure
1167    {
1168        return function (stdClass $row): Repository {
1169            $tree = $this->tree_service->find((int) $row->o_file);
1170
1171            return Factory::repository()->mapper($tree)($row);
1172        };
1173    }
1174
1175    /**
1176     * Convert a row from any tree in the sources table into a source object.
1177     *
1178     * @return Closure
1179     */
1180    private function sourceRowMapper(): Closure
1181    {
1182        return function (stdClass $row): Source {
1183            $tree = $this->tree_service->find((int) $row->s_file);
1184
1185            return Factory::source()->mapper($tree)($row);
1186        };
1187    }
1188
1189    /**
1190     * Convert a row from any tree in the other table into a submitter object.
1191     *
1192     * @return Closure
1193     */
1194    private function submitterRowMapper(): Closure
1195    {
1196        return function (stdClass $row): Submitter {
1197            $tree = $this->tree_service->find((int) $row->o_file);
1198
1199            return Factory::submitter()->mapper($tree)($row);
1200        };
1201    }
1202}
1203