xref: /webtrees/app/Services/SearchService.php (revision 1a218474113038005e50986fff24ebcbd58554ff)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 */
17declare(strict_types=1);
18
19namespace Fisharebest\Webtrees\Services;
20
21use Closure;
22use Fisharebest\Webtrees\Date;
23use Fisharebest\Webtrees\Exceptions\InternalServerErrorException;
24use Fisharebest\Webtrees\Family;
25use Fisharebest\Webtrees\Gedcom;
26use Fisharebest\Webtrees\GedcomRecord;
27use Fisharebest\Webtrees\I18N;
28use Fisharebest\Webtrees\Individual;
29use Fisharebest\Webtrees\Media;
30use Fisharebest\Webtrees\Note;
31use Fisharebest\Webtrees\Place;
32use Fisharebest\Webtrees\Repository;
33use Fisharebest\Webtrees\Soundex;
34use Fisharebest\Webtrees\Source;
35use Fisharebest\Webtrees\Tree;
36use Illuminate\Database\Capsule\Manager as DB;
37use Illuminate\Database\Query\Builder;
38use Illuminate\Database\Query\Expression;
39use Illuminate\Database\Query\JoinClause;
40use Illuminate\Support\Collection;
41use stdClass;
42
43use function mb_stripos;
44
45/**
46 * Search trees for genealogy records.
47 */
48class SearchService
49{
50    /**
51     * @param Tree[]   $trees
52     * @param string[] $search
53     *
54     * @return Collection
55     */
56    public function searchFamilies(array $trees, array $search): Collection
57    {
58        $query = DB::table('families');
59
60        $this->whereTrees($query, 'f_file', $trees);
61        $this->whereSearch($query, 'f_gedcom', $search);
62
63        return $query
64            ->get()
65            ->each($this->rowLimiter())
66            ->map(Family::rowMapper())
67            ->filter(GedcomRecord::accessFilter())
68            ->filter($this->rawGedcomFilter($search));
69    }
70
71    /**
72     * Search for families by name.
73     *
74     * @param Tree[]   $trees
75     * @param string[] $search
76     * @param int      $offset
77     * @param int      $limit
78     *
79     * @return Collection
80     */
81    public function searchFamilyNames(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
82    {
83        $query = DB::table('families')
84            ->leftJoin('name AS husb_name', static function (JoinClause $join): void {
85                $join
86                    ->on('husb_name.n_file', '=', 'families.f_file')
87                    ->on('husb_name.n_id', '=', 'families.f_husb')
88                    ->where('husb_name.n_type', '<>', '_MARNM');
89            })
90            ->leftJoin('name AS wife_name', static function (JoinClause $join): void {
91                $join
92                    ->on('wife_name.n_file', '=', 'families.f_file')
93                    ->on('wife_name.n_id', '=', 'families.f_wife')
94                    ->where('wife_name.n_type', '<>', '_MARNM');
95            });
96
97        $prefix = DB::connection()->getTablePrefix();
98        $field  = new Expression('COALESCE(' . $prefix . "husb_name.n_full, '') || COALESCE(" . $prefix . "wife_name.n_full, '')");
99
100        $this->whereTrees($query, 'f_file', $trees);
101        $this->whereSearch($query, $field, $search);
102
103        $query
104            ->orderBy('husb_name.n_sort')
105            ->orderBy('wife_name.n_sort')
106            ->select(['families.*', 'husb_name.n_sort', 'wife_name.n_sort'])
107            ->distinct();
108
109        return $this->paginateQuery($query, Family::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
110    }
111
112    /**
113     * @param Tree[]   $trees
114     * @param string[] $search
115     *
116     * @return Collection
117     */
118    public function searchIndividuals(array $trees, array $search): Collection
119    {
120        $query = DB::table('individuals');
121
122        $this->whereTrees($query, 'i_file', $trees);
123        $this->whereSearch($query, 'i_gedcom', $search);
124
125        return $query
126            ->get()
127            ->each($this->rowLimiter())
128            ->map(Individual::rowMapper())
129            ->filter(GedcomRecord::accessFilter())
130            ->filter($this->rawGedcomFilter($search));
131    }
132
133    /**
134     * Search for individuals by name.
135     *
136     * @param Tree[]   $trees
137     * @param string[] $search
138     * @param int      $offset
139     * @param int      $limit
140     *
141     * @return Collection
142     */
143    public function searchIndividualNames(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
144    {
145        $query = DB::table('individuals')
146            ->join('name', static function (JoinClause $join): void {
147                $join
148                    ->on('name.n_file', '=', 'individuals.i_file')
149                    ->on('name.n_id', '=', 'individuals.i_id');
150            })
151            ->orderBy('n_sort')
152            ->select(['individuals.*', 'n_num']);
153
154        $this->whereTrees($query, 'i_file', $trees);
155        $this->whereSearch($query, 'n_full', $search);
156
157        return $this->paginateQuery($query, Individual::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
158    }
159
160    /**
161     * Search for media objects.
162     *
163     * @param Tree[]   $trees
164     * @param string[] $search
165     * @param int      $offset
166     * @param int      $limit
167     *
168     * @return Collection
169     */
170    public function searchMedia(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
171    {
172        $query = DB::table('media');
173
174        $this->whereTrees($query, 'media.m_file', $trees);
175        $this->whereSearch($query, 'm_gedcom', $search);
176
177        return $this->paginateQuery($query, Media::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
178    }
179
180    /**
181     * Search for notes.
182     *
183     * @param Tree[]   $trees
184     * @param string[] $search
185     * @param int      $offset
186     * @param int      $limit
187     *
188     * @return Collection
189     */
190    public function searchNotes(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
191    {
192        $query = DB::table('other')
193            ->where('o_type', '=', 'NOTE');
194
195        $this->whereTrees($query, 'o_file', $trees);
196        $this->whereSearch($query, 'o_gedcom', $search);
197
198        return $this->paginateQuery($query, Note::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
199    }
200
201    /**
202     * Search for repositories.
203     *
204     * @param Tree[]   $trees
205     * @param string[] $search
206     * @param int      $offset
207     * @param int      $limit
208     *
209     * @return Collection
210     */
211    public function searchRepositories(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
212    {
213        $query = DB::table('other')
214            ->where('o_type', '=', 'REPO');
215
216        $this->whereTrees($query, 'o_file', $trees);
217        $this->whereSearch($query, 'o_gedcom', $search);
218
219        return $this->paginateQuery($query, Repository::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
220    }
221
222    /**
223     * Search for sources.
224     *
225     * @param Tree[]   $trees
226     * @param string[] $search
227     * @param int      $offset
228     * @param int      $limit
229     *
230     * @return Collection
231     */
232    public function searchSources(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
233    {
234        $query = DB::table('sources');
235
236        $this->whereTrees($query, 's_file', $trees);
237        $this->whereSearch($query, 's_gedcom', $search);
238
239        return $this->paginateQuery($query, Source::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
240    }
241
242    /**
243     * Search for sources by name.
244     *
245     * @param Tree[]   $trees
246     * @param string[] $search
247     * @param int      $offset
248     * @param int      $limit
249     *
250     * @return Collection
251     */
252    public function searchSourcesByName(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
253    {
254        $query = DB::table('sources')
255            ->orderBy('s_name');
256
257        $this->whereTrees($query, 's_file', $trees);
258        $this->whereSearch($query, 's_name', $search);
259
260        return $this->paginateQuery($query, Source::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
261    }
262
263    /**
264     * Search for submitters.
265     *
266     * @param Tree[]   $trees
267     * @param string[] $search
268     * @param int      $offset
269     * @param int      $limit
270     *
271     * @return Collection
272     */
273    public function searchSubmitters(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
274    {
275        $query = DB::table('other')
276            ->where('o_type', '=', 'SUBM');
277
278        $this->whereTrees($query, 'o_file', $trees);
279        $this->whereSearch($query, 'o_gedcom', $search);
280
281        return $this->paginateQuery($query, GedcomRecord::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
282    }
283
284    /**
285     * Search for places.
286     *
287     * @param Tree   $tree
288     * @param string $search
289     * @param int    $offset
290     * @param int    $limit
291     *
292     * @return Collection
293     */
294    public function searchPlaces(Tree $tree, string $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
295    {
296        $query = DB::table('places AS p0')
297            ->where('p0.p_file', '=', $tree->id())
298            ->leftJoin('places AS p1', 'p1.p_id', '=', 'p0.p_parent_id')
299            ->leftJoin('places AS p2', 'p2.p_id', '=', 'p1.p_parent_id')
300            ->leftJoin('places AS p3', 'p3.p_id', '=', 'p2.p_parent_id')
301            ->leftJoin('places AS p4', 'p4.p_id', '=', 'p3.p_parent_id')
302            ->leftJoin('places AS p5', 'p5.p_id', '=', 'p4.p_parent_id')
303            ->leftJoin('places AS p6', 'p6.p_id', '=', 'p5.p_parent_id')
304            ->leftJoin('places AS p7', 'p7.p_id', '=', 'p6.p_parent_id')
305            ->leftJoin('places AS p8', 'p8.p_id', '=', 'p7.p_parent_id')
306            ->orderBy('p0.p_place')
307            ->orderBy('p1.p_place')
308            ->orderBy('p2.p_place')
309            ->orderBy('p3.p_place')
310            ->orderBy('p4.p_place')
311            ->orderBy('p5.p_place')
312            ->orderBy('p6.p_place')
313            ->orderBy('p7.p_place')
314            ->orderBy('p8.p_place')
315            ->select([
316                'p0.p_place AS place0',
317                'p1.p_place AS place1',
318                'p2.p_place AS place2',
319                'p3.p_place AS place3',
320                'p4.p_place AS place4',
321                'p5.p_place AS place5',
322                'p6.p_place AS place6',
323                'p7.p_place AS place7',
324                'p8.p_place AS place8',
325            ]);
326
327        // Filter each level of the hierarchy.
328        foreach (explode(',', $search, 9) as $level => $string) {
329            $query->whereContains('p' . $level . '.p_place', $string);
330        }
331
332        $row_mapper = static function (stdClass $row) use ($tree): Place {
333            $place = implode(', ', array_filter((array) $row));
334
335            return new Place($place, $tree);
336        };
337
338        $filter = static function (): bool {
339            return true;
340        };
341
342        return $this->paginateQuery($query, $row_mapper, $filter, $offset, $limit);
343    }
344
345    /**
346     * @param Tree[]   $trees
347     * @param string[] $fields
348     * @param string[] $modifiers
349     *
350     * @return Collection
351     */
352    public function searchIndividualsAdvanced(array $trees, array $fields, array $modifiers): Collection
353    {
354        $fields = array_filter($fields);
355
356        $query = DB::table('individuals')
357            ->select(['individuals.*'])
358            ->distinct();
359
360        $this->whereTrees($query, 'i_file', $trees);
361
362        // Join the following tables
363        $father_name   = false;
364        $mother_name   = false;
365        $spouse_family = false;
366        $indi_name     = false;
367        $indi_date     = false;
368        $fam_date      = false;
369        $indi_plac     = false;
370        $fam_plac      = false;
371
372        foreach ($fields as $field_name => $field_value) {
373            if ($field_value !== '') {
374                if (substr($field_name, 0, 14) === 'FAMC:HUSB:NAME') {
375                    $father_name = true;
376                } elseif (substr($field_name, 0, 14) === 'FAMC:WIFE:NAME') {
377                    $mother_name = true;
378                } elseif (substr($field_name, 0, 4) === 'NAME') {
379                    $indi_name = true;
380                } elseif (strpos($field_name, ':DATE') !== false) {
381                    if (substr($field_name, 0, 4) === 'FAMS') {
382                        $fam_date      = true;
383                        $spouse_family = true;
384                    } else {
385                        $indi_date = true;
386                    }
387                } elseif (strpos($field_name, ':PLAC') !== false) {
388                    if (substr($field_name, 0, 4) === 'FAMS') {
389                        $fam_plac      = true;
390                        $spouse_family = true;
391                    } else {
392                        $indi_plac = true;
393                    }
394                } elseif ($field_name === 'FAMS:NOTE') {
395                    $spouse_family = true;
396                }
397            }
398        }
399
400        if ($father_name || $mother_name) {
401            $query->join('link AS l1', static function (JoinClause $join): void {
402                $join
403                    ->on('l1.l_file', '=', 'individuals.i_file')
404                    ->on('l1.l_from', '=', 'individuals.i_id')
405                    ->where('l1.l_type', '=', 'FAMC');
406            });
407
408            if ($father_name) {
409                $query->join('link AS l2', static function (JoinClause $join): void {
410                    $join
411                        ->on('l2.l_file', '=', 'l1.l_file')
412                        ->on('l2.l_from', '=', 'l1.l_to')
413                        ->where('l2.l_type', '=', 'HUSB');
414                });
415                $query->join('name AS father_name', static function (JoinClause $join): void {
416                    $join
417                        ->on('father_name.n_file', '=', 'l2.l_file')
418                        ->on('father_name.n_id', '=', 'l2.l_to');
419                });
420            }
421
422            if ($mother_name) {
423                $query->join('link AS l3', static function (JoinClause $join): void {
424                    $join
425                        ->on('l3.l_file', '=', 'l1.l_file')
426                        ->on('l3.l_from', '=', 'l1.l_to')
427                        ->where('l3.l_type', '=', 'WIFE');
428                });
429                $query->join('name AS mother_name', static function (JoinClause $join): void {
430                    $join
431                        ->on('mother_name.n_file', '=', 'l3.l_file')
432                        ->on('mother_name.n_id', '=', 'l3.l_to');
433                });
434            }
435        }
436
437        if ($spouse_family) {
438            $query->join('link AS l4', static function (JoinClause $join): void {
439                $join
440                    ->on('l4.l_file', '=', 'individuals.i_file')
441                    ->on('l4.l_from', '=', 'individuals.i_id')
442                    ->where('l4.l_type', '=', 'FAMS');
443            });
444            $query->join('families AS spouse_families', static function (JoinClause $join): void {
445                $join
446                    ->on('spouse_families.f_file', '=', 'l4.l_file')
447                    ->on('spouse_families.f_id', '=', 'l4.l_to');
448            });
449        }
450
451        if ($indi_name) {
452            $query->join('name AS individual_name', static function (JoinClause $join): void {
453                $join
454                    ->on('individual_name.n_file', '=', 'individuals.i_file')
455                    ->on('individual_name.n_id', '=', 'individuals.i_id');
456            });
457        }
458
459        if ($indi_date) {
460            $query->join('dates AS individual_dates', static function (JoinClause $join): void {
461                $join
462                    ->on('individual_dates.d_file', '=', 'individuals.i_file')
463                    ->on('individual_dates.d_gid', '=', 'individuals.i_id');
464            });
465        }
466
467        if ($fam_date) {
468            $query->join('dates AS family_dates', static function (JoinClause $join): void {
469                $join
470                    ->on('family_dates.d_file', '=', 'spouse_families.f_file')
471                    ->on('family_dates.d_gid', '=', 'spouse_families.f_id');
472            });
473        }
474
475        if ($indi_plac) {
476            $query->join('placelinks AS individual_placelinks', static function (JoinClause $join): void {
477                $join
478                    ->on('individual_placelinks.pl_file', '=', 'individuals.i_file')
479                    ->on('individual_placelinks.pl_gid', '=', 'individuals.i_id');
480            });
481            $query->join('places AS individual_places', static function (JoinClause $join): void {
482                $join
483                    ->on('individual_places.p_file', '=', 'individual_placelinks.pl_file')
484                    ->on('individual_places.p_id', '=', 'individual_placelinks.pl_p_id');
485            });
486        }
487
488        if ($fam_plac) {
489            $query->join('placelinks AS familyl_placelinks', static function (JoinClause $join): void {
490                $join
491                    ->on('familyl_placelinks.pl_file', '=', 'individuals.i_file')
492                    ->on('familyl_placelinks.pl_gid', '=', 'individuals.i_id');
493            });
494            $query->join('places AS family_places', static function (JoinClause $join): void {
495                $join
496                    ->on('family_places.p_file', '=', 'familyl_placelinks.pl_file')
497                    ->on('family_places.p_id', '=', 'familyl_placelinks.pl_p_id');
498            });
499        }
500
501        foreach ($fields as $field_name => $field_value) {
502            $parts = explode(':', $field_name . '::::');
503            if ($parts[0] === 'NAME') {
504                // NAME:*
505                switch ($parts[1]) {
506                    case 'GIVN':
507                        switch ($modifiers[$field_name]) {
508                            case 'EXACT':
509                                $query->where('individual_name.n_givn', '=', $field_value);
510                                break;
511                            case 'BEGINS':
512                                $query->where('individual_name.n_givn', 'LIKE', $field_value . '%');
513                                break;
514                            case 'CONTAINS':
515                                $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
516                                break;
517                            case 'SDX_STD':
518                                $sdx = Soundex::russell($field_value);
519                                if ($sdx !== '') {
520                                    $this->wherePhonetic($query, 'individual_name.n_soundex_givn_std', $sdx);
521                                } else {
522                                    // No phonetic content? Use a substring match
523                                    $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
524                                }
525                                break;
526                            case 'SDX': // SDX uses DM by default.
527                            case 'SDX_DM':
528                                $sdx = Soundex::daitchMokotoff($field_value);
529                                if ($sdx !== '') {
530                                    $this->wherePhonetic($query, 'individual_name.n_soundex_givn_dm', $sdx);
531                                } else {
532                                    // No phonetic content? Use a substring match
533                                    $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
534                                }
535                                break;
536                        }
537                        break;
538                    case 'SURN':
539                        switch ($modifiers[$field_name]) {
540                            case 'EXACT':
541                                $query->where('individual_name.n_surn', '=', $field_value);
542                                break;
543                            case 'BEGINS':
544                                $query->where('individual_name.n_surn', 'LIKE', $field_value . '%');
545                                break;
546                            case 'CONTAINS':
547                                $query->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%');
548                                break;
549                            case 'SDX_STD':
550                                $sdx = Soundex::russell($field_value);
551                                if ($sdx !== '') {
552                                    $this->wherePhonetic($query, 'individual_name.n_soundex_surn_std', $sdx);
553                                } else {
554                                    // No phonetic content? Use a substring match
555                                    $query->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%');
556                                }
557                                break;
558                            case 'SDX': // SDX uses DM by default.
559                            case 'SDX_DM':
560                                $sdx = Soundex::daitchMokotoff($field_value);
561                                if ($sdx !== '') {
562                                    $this->wherePhonetic($query, 'individual_name.n_soundex_surn_dm', $sdx);
563                                } else {
564                                    // No phonetic content? Use a substring match
565                                    $query->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%');
566                                }
567                                break;
568                        }
569                        break;
570                    case 'NICK':
571                    case '_MARNM':
572                    case '_HEB':
573                    case '_AKA':
574                        $query
575                            ->where('individual_name', '=', $parts[1])
576                            ->where('individual_name', 'LIKE', '%' . $field_value . '%');
577                        break;
578                }
579                unset($fields[$field_name]);
580            } elseif ($parts[1] === 'DATE') {
581                // *:DATE
582                $date = new Date($field_value);
583                if ($date->isOK()) {
584                    $delta = 365 * ($modifiers[$field_name] ?? 0);
585                    $query
586                        ->where('individual_dates.d_fact', '=', $parts[0])
587                        ->where('individual_dates.d_julianday1', '>=', $date->minimumJulianDay() - $delta)
588                        ->where('individual_dates.d_julianday2', '<=', $date->minimumJulianDay() + $delta);
589                }
590                unset($fields[$field_name]);
591            } elseif ($parts[0] === 'FAMS' && $parts[2] === 'DATE') {
592                // FAMS:*:DATE
593                $date = new Date($field_value);
594                if ($date->isOK()) {
595                    $delta = 365 * $modifiers[$field_name];
596                    $query
597                        ->where('family_dates.d_fact', '=', $parts[1])
598                        ->where('family_dates.d_julianday1', '>=', $date->minimumJulianDay() - $delta)
599                        ->where('family_dates.d_julianday2', '<=', $date->minimumJulianDay() + $delta);
600                }
601                unset($fields[$field_name]);
602            } elseif ($parts[1] === 'PLAC') {
603                // *:PLAC
604                // SQL can only link a place to a person/family, not to an event.
605                $query->where('individual_places.p_place', 'LIKE', '%' . $field_value . '%');
606            } elseif ($parts[0] === 'FAMS' && $parts[2] === 'PLAC') {
607                // FAMS:*:PLAC
608                // SQL can only link a place to a person/family, not to an event.
609                $query->where('family_places.p_place', 'LIKE', '%' . $field_value . '%');
610            } elseif ($parts[0] === 'FAMC' && $parts[2] === 'NAME') {
611                $table = $parts[1] === 'HUSB' ? 'father_name' : 'mother_name';
612                // NAME:*
613                switch ($parts[3]) {
614                    case 'GIVN':
615                        switch ($modifiers[$field_name]) {
616                            case 'EXACT':
617                                $query->where($table . '.n_givn', '=', $field_value);
618                                break;
619                            case 'BEGINS':
620                                $query->where($table . '.n_givn', 'LIKE', $field_value . '%');
621                                break;
622                            case 'CONTAINS':
623                                $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
624                                break;
625                            case 'SDX_STD':
626                                $sdx = Soundex::russell($field_value);
627                                if ($sdx !== '') {
628                                    $this->wherePhonetic($query, $table . '.n_soundex_givn_std', $sdx);
629                                } else {
630                                    // No phonetic content? Use a substring match
631                                    $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
632                                }
633                                break;
634                            case 'SDX': // SDX uses DM by default.
635                            case 'SDX_DM':
636                                $sdx = Soundex::daitchMokotoff($field_value);
637                                if ($sdx !== '') {
638                                    $this->wherePhonetic($query, $table . '.n_soundex_givn_dm', $sdx);
639                                } else {
640                                    // No phonetic content? Use a substring match
641                                    $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
642                                }
643                                break;
644                        }
645                        break;
646                    case 'SURN':
647                        switch ($modifiers[$field_name]) {
648                            case 'EXACT':
649                                $query->where($table . '.n_surn', '=', $field_value);
650                                break;
651                            case 'BEGINS':
652                                $query->where($table . '.n_surn', 'LIKE', $field_value . '%');
653                                break;
654                            case 'CONTAINS':
655                                $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
656                                break;
657                            case 'SDX_STD':
658                                $sdx = Soundex::russell($field_value);
659                                if ($sdx !== '') {
660                                    $this->wherePhonetic($query, $table . '.n_soundex_surn_std', $sdx);
661                                } else {
662                                    // No phonetic content? Use a substring match
663                                    $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
664                                }
665                                break;
666                            case 'SDX': // SDX uses DM by default.
667                            case 'SDX_DM':
668                                $sdx = Soundex::daitchMokotoff($field_value);
669                                if ($sdx !== '') {
670                                    $this->wherePhonetic($query, $table . '.n_soundex_surn_dm', $sdx);
671                                } else {
672                                    // No phonetic content? Use a substring match
673                                    $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
674                                }
675                                break;
676                        }
677                        break;
678                }
679                unset($fields[$field_name]);
680            } elseif ($parts[0] === 'FAMS') {
681                // e.g. searches for occupation, religion, note, etc.
682                // Initial matching only.  Need PHP to apply filter.
683                $query->where('families.f_gedcom', 'LIKE', "%\n1 " . $parts[1] . ' %' . $field_value . '%');
684            } elseif ($parts[1] === 'TYPE') {
685                // e.g. FACT:TYPE or EVEN:TYPE
686                // Initial matching only.  Need PHP to apply filter.
687                $query->where('individuals.i_gedcom', 'LIKE', "%\n1 " . $parts[0] . '%\n2 TYPE %' . $field_value . '%');
688            } else {
689                // e.g. searches for occupation, religion, note, etc.
690                // Initial matching only.  Need PHP to apply filter.
691                $query->where('individuals.i_gedcom', 'LIKE', "%\n1 " . $parts[0] . '%' . $parts[1] . '%' . $field_value . '%');
692            }
693        }
694        return $query
695            ->get()
696            ->each($this->rowLimiter())
697            ->map(Individual::rowMapper())
698            ->filter(GedcomRecord::accessFilter())
699            ->filter(static function (Individual $individual) use ($fields): bool {
700                // Check for searches which were only partially matched by SQL
701                foreach ($fields as $field_name => $field_value) {
702                    $regex = '/' . preg_quote($field_value, '/') . '/i';
703
704                    $parts = explode(':', $field_name . '::::');
705
706                    // *:PLAC
707                    if ($parts[1] === 'PLAC') {
708                        foreach ($individual->facts([$parts[0]]) as $fact) {
709                            if (preg_match($regex, $fact->place()->gedcomName())) {
710                                continue 2;
711                            }
712                        }
713                        return false;
714                    }
715
716                    // FAMS:*:PLAC
717                    if ($parts[0] === 'FAMS' && $parts[2] === 'PLAC') {
718                        foreach ($individual->spouseFamilies() as $family) {
719                            foreach ($family->facts([$parts[1]]) as $fact) {
720                                if (preg_match($regex, $fact->place()->gedcomName())) {
721                                    continue 2;
722                                }
723                            }
724                        }
725                        return false;
726                    }
727
728                    // e.g. searches for occupation, religion, note, etc.
729                    if ($parts[0] === 'FAMS') {
730                        foreach ($individual->spouseFamilies() as $family) {
731                            foreach ($family->facts([$parts[1]]) as $fact) {
732                                if (preg_match($regex, $fact->value())) {
733                                    continue 3;
734                                }
735                            }
736                        }
737                        return false;
738                    }
739
740                    // e.g. FACT:TYPE or EVEN:TYPE
741                    if ($parts[1] === 'TYPE' || $parts[1] === '_WT_USER') {
742                        foreach ($individual->facts([$parts[0]]) as $fact) {
743                            if (preg_match($regex, $fact->attribute($parts[1]))) {
744                                continue 2;
745                            }
746                        }
747
748                        return false;
749                    }
750                }
751
752                return true;
753            });
754    }
755
756    /**
757     * @param string $soundex
758     * @param string $lastname
759     * @param string $firstname
760     * @param string $place
761     * @param Tree[] $search_trees
762     *
763     * @return Collection
764     */
765    public function searchIndividualsPhonetic(string $soundex, string $lastname, string $firstname, string $place, array $search_trees): Collection
766    {
767        switch ($soundex) {
768            default:
769            case 'Russell':
770                $givn_sdx   = Soundex::russell($firstname);
771                $surn_sdx   = Soundex::russell($lastname);
772                $plac_sdx   = Soundex::russell($place);
773                $givn_field = 'n_soundex_givn_std';
774                $surn_field = 'n_soundex_surn_std';
775                $plac_field = 'p_std_soundex';
776                break;
777            case 'DaitchM':
778                $givn_sdx   = Soundex::daitchMokotoff($firstname);
779                $surn_sdx   = Soundex::daitchMokotoff($lastname);
780                $plac_sdx   = Soundex::daitchMokotoff($place);
781                $givn_field = 'n_soundex_givn_dm';
782                $surn_field = 'n_soundex_surn_dm';
783                $plac_field = 'p_dm_soundex';
784                break;
785        }
786
787        // Nothing to search for? Return nothing.
788        if ($givn_sdx === '' && $surn_sdx === '' && $plac_sdx === '') {
789            return new Collection();
790        }
791
792        $query = DB::table('individuals')
793            ->select(['individuals.*'])
794            ->distinct();
795
796        $this->whereTrees($query, 'i_file', $search_trees);
797
798        if ($plac_sdx !== '') {
799            $query->join('placelinks', static function (JoinClause $join): void {
800                $join
801                    ->on('placelinks.pl_file', '=', 'individuals.i_file')
802                    ->on('placelinks.pl_gid', '=', 'individuals.i_id');
803            });
804            $query->join('places', static function (JoinClause $join): void {
805                $join
806                    ->on('places.p_file', '=', 'placelinks.pl_file')
807                    ->on('places.p_id', '=', 'placelinks.pl_p_id');
808            });
809
810            $this->wherePhonetic($query, $plac_field, $plac_sdx);
811        }
812
813        if ($givn_sdx !== '' || $surn_sdx !== '') {
814            $query->join('name', static function (JoinClause $join): void {
815                $join
816                    ->on('name.n_file', '=', 'individuals.i_file')
817                    ->on('name.n_id', '=', 'individuals.i_id');
818            });
819
820            $this->wherePhonetic($query, $givn_field, $givn_sdx);
821            $this->wherePhonetic($query, $surn_field, $surn_sdx);
822        }
823
824        return $query
825            ->get()
826            ->each($this->rowLimiter())
827            ->map(Individual::rowMapper())
828            ->filter(GedcomRecord::accessFilter());
829    }
830
831    /**
832     * Paginate a search query.
833     *
834     * @param Builder $query      Searches the database for the desired records.
835     * @param Closure $row_mapper Converts a row from the query into a record.
836     * @param Closure $row_filter
837     * @param int     $offset     Skip this many rows.
838     * @param int     $limit      Take this many rows.
839     *
840     * @return Collection
841     */
842    private function paginateQuery(Builder $query, Closure $row_mapper, Closure $row_filter, int $offset, int $limit): Collection
843    {
844        $collection = new Collection();
845
846        foreach ($query->cursor() as $row) {
847            $record = $row_mapper($row);
848            // If the object has a method "canShow()", then use it to filter for privacy.
849            if ($row_filter($record)) {
850                if ($offset > 0) {
851                    $offset--;
852                } else {
853                    if ($limit > 0) {
854                        $collection->push($record);
855                    }
856
857                    $limit--;
858
859                    if ($limit === 0) {
860                        break;
861                    }
862                }
863            }
864        }
865
866
867        return $collection;
868    }
869
870    /**
871     * Apply search filters to a SQL query column.  Apply collation rules to MySQL.
872     *
873     * @param Builder           $query
874     * @param Expression|string $field
875     * @param string[]          $search_terms
876     */
877    private function whereSearch(Builder $query, $field, array $search_terms): void
878    {
879        if ($field instanceof Expression) {
880            $field = $field->getValue();
881        }
882
883        foreach ($search_terms as $search_term) {
884            $query->whereContains(new Expression($field), $search_term);
885        }
886    }
887
888    /**
889     * Apply soundex search filters to a SQL query column.
890     *
891     * @param Builder           $query
892     * @param Expression|string $field
893     * @param string            $soundex
894     */
895    private function wherePhonetic(Builder $query, $field, string $soundex): void
896    {
897        if ($soundex !== '') {
898            $query->where(static function (Builder $query) use ($soundex, $field): void {
899                foreach (explode(':', $soundex) as $sdx) {
900                    $query->orWhere($field, 'LIKE', '%' . $sdx . '%');
901                }
902            });
903        }
904    }
905
906    /**
907     * @param Builder $query
908     * @param string  $tree_id_field
909     * @param Tree[]  $trees
910     */
911    private function whereTrees(Builder $query, string $tree_id_field, array $trees): void
912    {
913        $tree_ids = array_map(static function (Tree $tree): int {
914            return $tree->id();
915        }, $trees);
916
917        $query->whereIn($tree_id_field, $tree_ids);
918    }
919
920    /**
921     * A closure to filter records by privacy-filtered GEDCOM data.
922     *
923     * @param array $search_terms
924     *
925     * @return Closure
926     */
927    private function rawGedcomFilter(array $search_terms): Closure
928    {
929        return static function (GedcomRecord $record) use ($search_terms): bool {
930            // Ignore non-genealogy fields
931            $gedcom = preg_replace('/\n\d (?:_UID) .*/', '', $record->gedcom());
932
933            // Ignore matches in links
934            $gedcom = preg_replace('/\n\d ' . Gedcom::REGEX_TAG . '( @' . Gedcom::REGEX_XREF . '@)?/', '', $gedcom);
935
936            // Re-apply the filtering
937            foreach ($search_terms as $search_term) {
938                if (mb_stripos($gedcom, $search_term) === false) {
939                    return false;
940                }
941            }
942
943            return true;
944        };
945    }
946
947    /**
948     * Searching for short or common text can give more results than the system can process.
949     *
950     * @param int $limit
951     *
952     * @return Closure
953     */
954    private function rowLimiter(int $limit = 1000): Closure
955    {
956        return static function () use ($limit): void {
957            static $n = 0;
958
959            if (++$n > $limit) {
960                $message = I18N::translate('The search returned too many results.');
961
962                throw new InternalServerErrorException($message);
963            }
964        };
965    }
966}
967