xref: /webtrees/app/Services/SearchService.php (revision 54516b035310397a0e19f1329a34f033a9267df4)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2019 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Services;
19
20use Closure;
21use Fisharebest\Webtrees\Date;
22use Fisharebest\Webtrees\Exceptions\InternalServerErrorException;
23use Fisharebest\Webtrees\Family;
24use Fisharebest\Webtrees\Gedcom;
25use Fisharebest\Webtrees\GedcomRecord;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Individual;
28use Fisharebest\Webtrees\Media;
29use Fisharebest\Webtrees\Note;
30use Fisharebest\Webtrees\Place;
31use Fisharebest\Webtrees\Repository;
32use Fisharebest\Webtrees\Soundex;
33use Fisharebest\Webtrees\Source;
34use Fisharebest\Webtrees\Tree;
35use Illuminate\Database\Capsule\Manager as DB;
36use Illuminate\Database\Query\Builder;
37use Illuminate\Database\Query\Expression;
38use Illuminate\Database\Query\JoinClause;
39use Illuminate\Support\Collection;
40use stdClass;
41use function mb_stripos;
42
43/**
44 * Search trees for genealogy records.
45 */
46class SearchService
47{
48    /**
49     * @param Tree[]   $trees
50     * @param string[] $search
51     *
52     * @return Collection
53     */
54    public function searchFamilies(array $trees, array $search): Collection
55    {
56        $query = DB::table('families');
57
58        $this->whereTrees($query, 'f_file', $trees);
59        $this->whereSearch($query, 'f_gedcom', $search);
60
61        return $query
62            ->get()
63            ->each($this->rowLimiter())
64            ->map(Family::rowMapper())
65            ->filter(GedcomRecord::accessFilter())
66            ->filter($this->rawGedcomFilter($search));
67    }
68
69    /**
70     * Search for families by name.
71     *
72     * @param Tree[]   $trees
73     * @param string[] $search
74     * @param int      $offset
75     * @param int      $limit
76     *
77     * @return Collection
78     */
79    public function searchFamilyNames(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
80    {
81        $query = DB::table('families')
82            ->leftJoin('name AS husb_name', static function (JoinClause $join): void {
83                $join
84                    ->on('husb_name.n_file', '=', 'families.f_file')
85                    ->on('husb_name.n_id', '=', 'families.f_husb')
86                    ->where('husb_name.n_type', '<>', '_MARNM');
87            })
88            ->leftJoin('name AS wife_name', static function (JoinClause $join): void {
89                $join
90                    ->on('wife_name.n_file', '=', 'families.f_file')
91                    ->on('wife_name.n_id', '=', 'families.f_wife')
92                    ->where('wife_name.n_type', '<>', '_MARNM');
93            });
94
95        $prefix = DB::connection()->getTablePrefix();
96        $field  = DB::raw('COALESCE(' . $prefix . "husb_name.n_full, '') || COALESCE(" . $prefix . "wife_name.n_full, '')");
97
98        $this->whereTrees($query, 'f_file', $trees);
99        $this->whereSearch($query, $field, $search);
100
101        $query
102            ->orderBy('husb_name.n_sort')
103            ->orderBy('wife_name.n_sort')
104            ->select(['families.*', 'husb_name.n_sort', 'wife_name.n_sort'])
105            ->distinct();
106
107        return $this->paginateQuery($query, Family::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
108    }
109
110    /**
111     * @param Tree[]   $trees
112     * @param string[] $search
113     *
114     * @return Collection
115     */
116    public function searchIndividuals(array $trees, array $search): Collection
117    {
118        $query = DB::table('individuals');
119
120        $this->whereTrees($query, 'i_file', $trees);
121        $this->whereSearch($query, 'i_gedcom', $search);
122
123        return $query
124            ->get()
125            ->each($this->rowLimiter())
126            ->map(Individual::rowMapper())
127            ->filter(GedcomRecord::accessFilter())
128            ->filter($this->rawGedcomFilter($search));
129    }
130
131    /**
132     * Search for individuals by name.
133     *
134     * @param Tree[]   $trees
135     * @param string[] $search
136     * @param int      $offset
137     * @param int      $limit
138     *
139     * @return Collection
140     */
141    public function searchIndividualNames(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
142    {
143        $query = DB::table('individuals')
144            ->join('name', static function (JoinClause $join): void {
145                $join
146                    ->on('name.n_file', '=', 'individuals.i_file')
147                    ->on('name.n_id', '=', 'individuals.i_id');
148            })
149            ->orderBy('n_sort')
150            ->select(['individuals.*', 'n_num']);
151
152        $this->whereTrees($query, 'i_file', $trees);
153        $this->whereSearch($query, 'n_full', $search);
154
155        return $this->paginateQuery($query, Individual::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
156    }
157
158    /**
159     * Search for media objects.
160     *
161     * @param Tree[]   $trees
162     * @param string[] $search
163     * @param int      $offset
164     * @param int      $limit
165     *
166     * @return Collection
167     */
168    public function searchMedia(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
169    {
170        $query = DB::table('media');
171
172        $this->whereTrees($query, 'media.m_file', $trees);
173        $this->whereSearch($query, 'm_gedcom', $search);
174
175        return $this->paginateQuery($query, Media::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
176    }
177
178    /**
179     * Search for notes.
180     *
181     * @param Tree[]   $trees
182     * @param string[] $search
183     * @param int      $offset
184     * @param int      $limit
185     *
186     * @return Collection
187     */
188    public function searchNotes(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
189    {
190        $query = DB::table('other')
191            ->where('o_type', '=', 'NOTE');
192
193        $this->whereTrees($query, 'o_file', $trees);
194        $this->whereSearch($query, 'o_gedcom', $search);
195
196        return $this->paginateQuery($query, Note::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
197    }
198
199    /**
200     * Search for repositories.
201     *
202     * @param Tree[]   $trees
203     * @param string[] $search
204     * @param int      $offset
205     * @param int      $limit
206     *
207     * @return Collection
208     */
209    public function searchRepositories(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
210    {
211        $query = DB::table('other')
212            ->where('o_type', '=', 'REPO');
213
214        $this->whereTrees($query, 'o_file', $trees);
215        $this->whereSearch($query, 'o_gedcom', $search);
216
217        return $this->paginateQuery($query, Repository::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
218    }
219
220    /**
221     * Search for sources.
222     *
223     * @param Tree[]   $trees
224     * @param string[] $search
225     * @param int      $offset
226     * @param int      $limit
227     *
228     * @return Collection
229     */
230    public function searchSources(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
231    {
232        $query = DB::table('sources');
233
234        $this->whereTrees($query, 's_file', $trees);
235        $this->whereSearch($query, 's_gedcom', $search);
236
237        return $this->paginateQuery($query, Source::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
238    }
239
240    /**
241     * Search for sources by name.
242     *
243     * @param Tree[]   $trees
244     * @param string[] $search
245     * @param int      $offset
246     * @param int      $limit
247     *
248     * @return Collection
249     */
250    public function searchSourcesByName(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
251    {
252        $query = DB::table('sources')
253            ->orderBy('s_name');
254
255        $this->whereTrees($query, 's_file', $trees);
256        $this->whereSearch($query, 's_name', $search);
257
258        return $this->paginateQuery($query, Source::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
259    }
260
261    /**
262     * Search for submitters.
263     *
264     * @param Tree[]   $trees
265     * @param string[] $search
266     * @param int      $offset
267     * @param int      $limit
268     *
269     * @return Collection
270     */
271    public function searchSubmitters(array $trees, array $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
272    {
273        $query = DB::table('other')
274            ->where('o_type', '=', 'SUBM');
275
276        $this->whereTrees($query, 'o_file', $trees);
277        $this->whereSearch($query, 'o_gedcom', $search);
278
279        return $this->paginateQuery($query, GedcomRecord::rowMapper(), GedcomRecord::accessFilter(), $offset, $limit);
280    }
281
282    /**
283     * Search for places.
284     *
285     * @param Tree   $tree
286     * @param string $search
287     * @param int    $offset
288     * @param int    $limit
289     *
290     * @return Collection
291     */
292    public function searchPlaces(Tree $tree, string $search, int $offset = 0, int $limit = PHP_INT_MAX): Collection
293    {
294        $query = DB::table('places AS p0')
295            ->where('p0.p_file', '=', $tree->id())
296            ->leftJoin('places AS p1', 'p1.p_id', '=', 'p0.p_parent_id')
297            ->leftJoin('places AS p2', 'p2.p_id', '=', 'p1.p_parent_id')
298            ->leftJoin('places AS p3', 'p3.p_id', '=', 'p2.p_parent_id')
299            ->leftJoin('places AS p4', 'p4.p_id', '=', 'p3.p_parent_id')
300            ->leftJoin('places AS p5', 'p5.p_id', '=', 'p4.p_parent_id')
301            ->leftJoin('places AS p6', 'p6.p_id', '=', 'p5.p_parent_id')
302            ->leftJoin('places AS p7', 'p7.p_id', '=', 'p6.p_parent_id')
303            ->leftJoin('places AS p8', 'p8.p_id', '=', 'p7.p_parent_id')
304            ->orderBy('p0.p_place')
305            ->orderBy('p1.p_place')
306            ->orderBy('p2.p_place')
307            ->orderBy('p3.p_place')
308            ->orderBy('p4.p_place')
309            ->orderBy('p5.p_place')
310            ->orderBy('p6.p_place')
311            ->orderBy('p7.p_place')
312            ->orderBy('p8.p_place')
313            ->select([
314                'p0.p_place AS place0',
315                'p1.p_place AS place1',
316                'p2.p_place AS place2',
317                'p3.p_place AS place3',
318                'p4.p_place AS place4',
319                'p5.p_place AS place5',
320                'p6.p_place AS place6',
321                'p7.p_place AS place7',
322                'p8.p_place AS place8',
323            ]);
324
325        // Filter each level of the hierarchy.
326        foreach (explode(',', $search, 9) as $level => $string) {
327            $query->whereContains('p' . $level . '.p_place', $string);
328        }
329
330        $row_mapper = static function (stdClass $row) use ($tree): Place {
331            $place = implode(', ', array_filter((array) $row));
332
333            return new Place($place, $tree);
334        };
335
336        $filter = static function (): bool {
337            return true;
338        };
339
340        return $this->paginateQuery($query, $row_mapper, $filter, $offset, $limit);
341    }
342
343    /**
344     * @param Tree[]   $trees
345     * @param string[] $fields
346     * @param string[] $modifiers
347     *
348     * @return Collection
349     */
350    public function searchIndividualsAdvanced(array $trees, array $fields, array $modifiers): Collection
351    {
352        $fields = array_filter($fields);
353
354        $query = DB::table('individuals')
355            ->select(['individuals.*'])
356            ->distinct();
357
358        $this->whereTrees($query, 'i_file', $trees);
359
360        // Join the following tables
361        $father_name   = false;
362        $mother_name   = false;
363        $spouse_family = false;
364        $indi_name     = false;
365        $indi_date     = false;
366        $fam_date      = false;
367        $indi_plac     = false;
368        $fam_plac      = false;
369
370        foreach ($fields as $field_name => $field_value) {
371            if ($field_value !== '') {
372                if (substr($field_name, 0, 14) === 'FAMC:HUSB:NAME') {
373                    $father_name = true;
374                } elseif (substr($field_name, 0, 14) === 'FAMC:WIFE:NAME') {
375                    $mother_name = true;
376                } elseif (substr($field_name, 0, 4) === 'NAME') {
377                    $indi_name = true;
378                } elseif (strpos($field_name, ':DATE') !== false) {
379                    if (substr($field_name, 0, 4) === 'FAMS') {
380                        $fam_date      = true;
381                        $spouse_family = true;
382                    } else {
383                        $indi_date = true;
384                    }
385                } elseif (strpos($field_name, ':PLAC') !== false) {
386                    if (substr($field_name, 0, 4) === 'FAMS') {
387                        $fam_plac      = true;
388                        $spouse_family = true;
389                    } else {
390                        $indi_plac = true;
391                    }
392                } elseif ($field_name === 'FAMS:NOTE') {
393                    $spouse_family = true;
394                }
395            }
396        }
397
398        if ($father_name || $mother_name) {
399            $query->join('link AS l1', static function (JoinClause $join): void {
400                $join
401                    ->on('l1.l_file', '=', 'individuals.i_file')
402                    ->on('l1.l_from', '=', 'individuals.i_id')
403                    ->where('l1.l_type', '=', 'FAMC');
404            });
405
406            if ($father_name) {
407                $query->join('link AS l2', static function (JoinClause $join): void {
408                    $join
409                        ->on('l2.l_file', '=', 'l1.l_file')
410                        ->on('l2.l_from', '=', 'l1.l_to')
411                        ->where('l2.l_type', '=', 'HUSB');
412                });
413                $query->join('name AS father_name', static function (JoinClause $join): void {
414                    $join
415                        ->on('father_name.n_file', '=', 'l2.l_file')
416                        ->on('father_name.n_id', '=', 'l2.l_to');
417                });
418            }
419
420            if ($mother_name) {
421                $query->join('link AS l3', static function (JoinClause $join): void {
422                    $join
423                        ->on('l3.l_file', '=', 'l1.l_file')
424                        ->on('l3.l_from', '=', 'l1.l_to')
425                        ->where('l3.l_type', '=', 'WIFE');
426                });
427                $query->join('name AS mother_name', static function (JoinClause $join): void {
428                    $join
429                        ->on('mother_name.n_file', '=', 'l3.l_file')
430                        ->on('mother_name.n_id', '=', 'l3.l_to');
431                });
432            }
433        }
434
435        if ($spouse_family) {
436            $query->join('link AS l4', static function (JoinClause $join): void {
437                $join
438                    ->on('l4.l_file', '=', 'individuals.i_file')
439                    ->on('l4.l_from', '=', 'individuals.i_id')
440                    ->where('l4.l_type', '=', 'FAMS');
441            });
442            $query->join('families AS spouse_families', static function (JoinClause $join): void {
443                $join
444                    ->on('spouse_families.f_file', '=', 'l4.l_file')
445                    ->on('spouse_families.f_id', '=', 'l4.l_to');
446            });
447        }
448
449        if ($indi_name) {
450            $query->join('name AS individual_name', static function (JoinClause $join): void {
451                $join
452                    ->on('individual_name.n_file', '=', 'individuals.i_file')
453                    ->on('individual_name.n_id', '=', 'individuals.i_id');
454            });
455        }
456
457        if ($indi_date) {
458            $query->join('dates AS individual_dates', static function (JoinClause $join): void {
459                $join
460                    ->on('individual_dates.d_file', '=', 'individuals.i_file')
461                    ->on('individual_dates.d_gid', '=', 'individuals.i_id');
462            });
463        }
464
465        if ($fam_date) {
466            $query->join('dates AS family_dates', static function (JoinClause $join): void {
467                $join
468                    ->on('family_dates.d_file', '=', 'spouse_families.f_file')
469                    ->on('family_dates.d_gid', '=', 'spouse_families.f_id');
470            });
471        }
472
473        if ($indi_plac) {
474            $query->join('placelinks AS individual_placelinks', static function (JoinClause $join): void {
475                $join
476                    ->on('individual_placelinks.pl_file', '=', 'individuals.i_file')
477                    ->on('individual_placelinks.pl_gid', '=', 'individuals.i_id');
478            });
479            $query->join('places AS individual_places', static function (JoinClause $join): void {
480                $join
481                    ->on('individual_places.p_file', '=', 'individual_placelinks.pl_file')
482                    ->on('individual_places.p_id', '=', 'individual_placelinks.pl_p_id');
483            });
484        }
485
486        if ($fam_plac) {
487            $query->join('placelinks AS familyl_placelinks', static function (JoinClause $join): void {
488                $join
489                    ->on('familyl_placelinks.pl_file', '=', 'individuals.i_file')
490                    ->on('familyl_placelinks.pl_gid', '=', 'individuals.i_id');
491            });
492            $query->join('places AS family_places', static function (JoinClause $join): void {
493                $join
494                    ->on('family_places.p_file', '=', 'familyl_placelinks.pl_file')
495                    ->on('family_places.p_id', '=', 'familyl_placelinks.pl_p_id');
496            });
497        }
498
499        foreach ($fields as $field_name => $field_value) {
500            $parts = preg_split('/:/', $field_name . '::::');
501            if ($parts[0] === 'NAME') {
502                // NAME:*
503                switch ($parts[1]) {
504                    case 'GIVN':
505                        switch ($modifiers[$field_name]) {
506                            case 'EXACT':
507                                $query->where('individual_name.n_givn', '=', $field_value);
508                                break;
509                            case 'BEGINS':
510                                $query->where('individual_name.n_givn', 'LIKE', $field_value . '%');
511                                break;
512                            case 'CONTAINS':
513                                $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
514                                break;
515                            case 'SDX_STD':
516                                $sdx = Soundex::russell($field_value);
517                                if ($sdx !== '') {
518                                    $this->wherePhonetic($query, 'individual_name.n_soundex_givn_std', $sdx);
519                                } else {
520                                    // No phonetic content? Use a substring match
521                                    $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
522                                }
523                                break;
524                            case 'SDX': // SDX uses DM by default.
525                            case 'SDX_DM':
526                                $sdx = Soundex::daitchMokotoff($field_value);
527                                if ($sdx !== '') {
528                                    $this->wherePhonetic($query, 'individual_name.n_soundex_givn_dm', $sdx);
529                                } else {
530                                    // No phonetic content? Use a substring match
531                                    $query->where('individual_name.n_givn', 'LIKE', '%' . $field_value . '%');
532                                }
533                                break;
534                        }
535                        break;
536                    case 'SURN':
537                        switch ($modifiers[$field_name]) {
538                            case 'EXACT':
539                                $query->where('individual_name.n_surn', '=', $field_value);
540                                break;
541                            case 'BEGINS':
542                                $query->where('individual_name.n_surn', 'LIKE', $field_value . '%');
543                                break;
544                            case 'CONTAINS':
545                                $query->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%');
546                                break;
547                            case 'SDX_STD':
548                                $sdx = Soundex::russell($field_value);
549                                if ($sdx !== '') {
550                                    $this->wherePhonetic($query, 'individual_name.n_soundex_surn_std', $sdx);
551                                } else {
552                                    // No phonetic content? Use a substring match
553                                    $query->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%');
554                                }
555                                break;
556                            case 'SDX': // SDX uses DM by default.
557                            case 'SDX_DM':
558                                $sdx = Soundex::daitchMokotoff($field_value);
559                                if ($sdx !== '') {
560                                    $this->wherePhonetic($query, 'individual_name.n_soundex_surn_dm', $sdx);
561                                } else {
562                                    // No phonetic content? Use a substring match
563                                    $query->where('individual_name.n_surn', 'LIKE', '%' . $field_value . '%');
564                                }
565                                break;
566                        }
567                        break;
568                    case 'NICK':
569                    case '_MARNM':
570                    case '_HEB':
571                    case '_AKA':
572                        $query
573                            ->where('individual_name', '=', $parts[1])
574                            ->where('individual_name', 'LIKE', '%' . $field_value . '%');
575                        break;
576                }
577                unset($fields[$field_name]);
578            } elseif ($parts[1] === 'DATE') {
579                // *:DATE
580                $date = new Date($field_value);
581                if ($date->isOK()) {
582                    $delta = 365 * ($modifiers[$field_name] ?? 0);
583                    $query
584                        ->where('individual_dates.d_fact', '=', $parts[0])
585                        ->where('individual_dates.d_julianday1', '>=', $date->minimumJulianDay() - $delta)
586                        ->where('individual_dates.d_julianday2', '<=', $date->minimumJulianDay() + $delta);
587                }
588                unset($fields[$field_name]);
589            } elseif ($parts[0] === 'FAMS' && $parts[2] === 'DATE') {
590                // FAMS:*:DATE
591                $date = new Date($field_value);
592                if ($date->isOK()) {
593                    $delta = 365 * $modifiers[$field_name];
594                    $query
595                        ->where('family_dates.d_fact', '=', $parts[1])
596                        ->where('family_dates.d_julianday1', '>=', $date->minimumJulianDay() - $delta)
597                        ->where('family_dates.d_julianday2', '<=', $date->minimumJulianDay() + $delta);
598                }
599                unset($fields[$field_name]);
600            } elseif ($parts[1] === 'PLAC') {
601                // *:PLAC
602                // SQL can only link a place to a person/family, not to an event.
603                $query->where('individual_places.p_place', 'LIKE', '%' . $field_value . '%');
604            } elseif ($parts[0] === 'FAMS' && $parts[2] === 'PLAC') {
605                // FAMS:*:PLAC
606                // SQL can only link a place to a person/family, not to an event.
607                $query->where('family_places.p_place', 'LIKE', '%' . $field_value . '%');
608            } elseif ($parts[0] === 'FAMC' && $parts[2] === 'NAME') {
609                $table = $parts[1] === 'HUSB' ? 'father_name' : 'mother_name';
610                // NAME:*
611                switch ($parts[3]) {
612                    case 'GIVN':
613                        switch ($modifiers[$field_name]) {
614                            case 'EXACT':
615                                $query->where($table . '.n_givn', '=', $field_value);
616                                break;
617                            case 'BEGINS':
618                                $query->where($table . '.n_givn', 'LIKE', $field_value . '%');
619                                break;
620                            case 'CONTAINS':
621                                $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
622                                break;
623                            case 'SDX_STD':
624                                $sdx = Soundex::russell($field_value);
625                                if ($sdx !== '') {
626                                    $this->wherePhonetic($query, $table . '.n_soundex_givn_std', $sdx);
627                                } else {
628                                    // No phonetic content? Use a substring match
629                                    $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
630                                }
631                                break;
632                            case 'SDX': // SDX uses DM by default.
633                            case 'SDX_DM':
634                                $sdx = Soundex::daitchMokotoff($field_value);
635                                if ($sdx !== '') {
636                                    $this->wherePhonetic($query, $table . '.n_soundex_givn_dm', $sdx);
637                                } else {
638                                    // No phonetic content? Use a substring match
639                                    $query->where($table . '.n_givn', 'LIKE', '%' . $field_value . '%');
640                                }
641                                break;
642                        }
643                        break;
644                    case 'SURN':
645                        switch ($modifiers[$field_name]) {
646                            case 'EXACT':
647                                $query->where($table . '.n_surn', '=', $field_value);
648                                break;
649                            case 'BEGINS':
650                                $query->where($table . '.n_surn', 'LIKE', $field_value . '%');
651                                break;
652                            case 'CONTAINS':
653                                $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
654                                break;
655                            case 'SDX_STD':
656                                $sdx = Soundex::russell($field_value);
657                                if ($sdx !== '') {
658                                    $this->wherePhonetic($query, $table . '.n_soundex_surn_std', $sdx);
659                                } else {
660                                    // No phonetic content? Use a substring match
661                                    $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
662                                }
663                                break;
664                            case 'SDX': // SDX uses DM by default.
665                            case 'SDX_DM':
666                                $sdx = Soundex::daitchMokotoff($field_value);
667                                if ($sdx !== '') {
668                                    $this->wherePhonetic($query, $table . '.n_soundex_surn_dm', $sdx);
669                                } else {
670                                    // No phonetic content? Use a substring match
671                                    $query->where($table . '.n_surn', 'LIKE', '%' . $field_value . '%');
672                                }
673                                break;
674                        }
675                        break;
676                }
677                unset($fields[$field_name]);
678            } elseif ($parts[0] === 'FAMS') {
679                // e.g. searches for occupation, religion, note, etc.
680                // Initial matching only.  Need PHP to apply filter.
681                $query->where('families.f_gedcom', 'LIKE', "%\n1 " . $parts[1] . ' %' . $field_value . '%');
682            } elseif ($parts[1] === 'TYPE') {
683                // e.g. FACT:TYPE or EVEN:TYPE
684                // Initial matching only.  Need PHP to apply filter.
685                $query->where('individuals.i_gedcom', 'LIKE', "%\n1 " . $parts[0] . '%\n2 TYPE %' . $field_value . '%');
686            } else {
687                // e.g. searches for occupation, religion, note, etc.
688                // Initial matching only.  Need PHP to apply filter.
689                $query->where('individuals.i_gedcom', 'LIKE', "%\n1 " . $parts[0] . '%' . $parts[1] . '%' . $field_value . '%');
690            }
691        }
692        return $query
693            ->get()
694            ->each($this->rowLimiter())
695            ->map(Individual::rowMapper())
696            ->filter(GedcomRecord::accessFilter())
697            ->filter(static function (Individual $individual) use ($fields): bool {
698                // Check for searches which were only partially matched by SQL
699                foreach ($fields as $field_name => $field_value) {
700                    $regex = '/' . preg_quote($field_value, '/') . '/i';
701
702                    $parts = explode(':', $field_name . '::::');
703
704                    // *:PLAC
705                    if ($parts[1] === 'PLAC') {
706                        foreach ($individual->facts([$parts[0]]) as $fact) {
707                            if (preg_match($regex, $fact->place()->gedcomName())) {
708                                continue 2;
709                            }
710                        }
711                        return false;
712                    }
713
714                    // FAMS:*:PLAC
715                    if ($parts[0] === 'FAMS' && $parts[2] === 'PLAC') {
716                        foreach ($individual->spouseFamilies() as $family) {
717                            foreach ($family->facts([$parts[1]]) as $fact) {
718                                if (preg_match($regex, $fact->place()->gedcomName())) {
719                                    continue 2;
720                                }
721                            }
722                        }
723                        return false;
724                    }
725
726                    // e.g. searches for occupation, religion, note, etc.
727                    if ($parts[0] === 'FAMS') {
728                        foreach ($individual->spouseFamilies() as $family) {
729                            foreach ($family->facts([$parts[1]]) as $fact) {
730                                if (preg_match($regex, $fact->value())) {
731                                    continue 3;
732                                }
733                            }
734                        }
735                        return false;
736                    }
737
738                    // e.g. FACT:TYPE or EVEN:TYPE
739                    if ($parts[1] === 'TYPE' || $parts[1] === '_WT_USER') {
740                        foreach ($individual->facts([$parts[0]]) as $fact) {
741                            if (preg_match($regex, $fact->attribute($parts[1]))) {
742                                continue 2;
743                            }
744                        }
745
746                        return false;
747                    }
748                }
749
750                return true;
751            });
752    }
753
754    /**
755     * @param string $soundex
756     * @param string $lastname
757     * @param string $firstname
758     * @param string $place
759     * @param Tree[] $search_trees
760     *
761     * @return Collection
762     */
763    public function searchIndividualsPhonetic(string $soundex, string $lastname, string $firstname, string $place, array $search_trees): Collection
764    {
765        switch ($soundex) {
766            default:
767            case 'Russell':
768                $givn_sdx   = Soundex::russell($firstname);
769                $surn_sdx   = Soundex::russell($lastname);
770                $plac_sdx   = Soundex::russell($place);
771                $givn_field = 'n_soundex_givn_std';
772                $surn_field = 'n_soundex_surn_std';
773                $plac_field = 'p_std_soundex';
774                break;
775            case 'DaitchM':
776                $givn_sdx   = Soundex::daitchMokotoff($firstname);
777                $surn_sdx   = Soundex::daitchMokotoff($lastname);
778                $plac_sdx   = Soundex::daitchMokotoff($place);
779                $givn_field = 'n_soundex_givn_dm';
780                $surn_field = 'n_soundex_surn_dm';
781                $plac_field = 'p_dm_soundex';
782                break;
783        }
784
785        // Nothing to search for? Return nothing.
786        if ($givn_sdx === '' && $surn_sdx === '' && $plac_sdx === '') {
787            return new Collection();
788        }
789
790        $query = DB::table('individuals')
791            ->select(['individuals.*'])
792            ->distinct();
793
794        $this->whereTrees($query, 'i_file', $search_trees);
795
796        if ($plac_sdx !== '') {
797            $query->join('placelinks', static function (JoinClause $join): void {
798                $join
799                    ->on('placelinks.pl_file', '=', 'individuals.i_file')
800                    ->on('placelinks.pl_gid', '=', 'individuals.i_id');
801            });
802            $query->join('places', static function (JoinClause $join): void {
803                $join
804                    ->on('places.p_file', '=', 'placelinks.pl_file')
805                    ->on('places.p_id', '=', 'placelinks.pl_p_id');
806            });
807
808            $this->wherePhonetic($query, $plac_field, $plac_sdx);
809        }
810
811        if ($givn_sdx !== '' || $surn_sdx !== '') {
812            $query->join('name', static function (JoinClause $join): void {
813                $join
814                    ->on('name.n_file', '=', 'individuals.i_file')
815                    ->on('name.n_id', '=', 'individuals.i_id');
816            });
817
818            $this->wherePhonetic($query, $givn_field, $givn_sdx);
819            $this->wherePhonetic($query, $surn_field, $surn_sdx);
820        }
821
822        return $query
823            ->get()
824            ->each($this->rowLimiter())
825            ->map(Individual::rowMapper())
826            ->filter(GedcomRecord::accessFilter());
827    }
828
829    /**
830     * Paginate a search query.
831     *
832     * @param Builder $query      Searches the database for the desired records.
833     * @param Closure $row_mapper Converts a row from the query into a record.
834     * @param Closure $row_filter
835     * @param int     $offset     Skip this many rows.
836     * @param int     $limit      Take this many rows.
837     *
838     * @return Collection
839     */
840    private function paginateQuery(Builder $query, Closure $row_mapper, Closure $row_filter, int $offset, int $limit): Collection
841    {
842        $collection = new Collection();
843
844        foreach ($query->cursor() as $row) {
845            $record = $row_mapper($row);
846            // If the object has a method "canShow()", then use it to filter for privacy.
847            if ($row_filter($record)) {
848                if ($offset > 0) {
849                    $offset--;
850                } else {
851                    if ($limit > 0) {
852                        $collection->push($record);
853                    }
854
855                    $limit--;
856
857                    if ($limit === 0) {
858                        break;
859                    }
860                }
861            }
862        }
863
864
865        return $collection;
866    }
867
868    /**
869     * Apply search filters to a SQL query column.  Apply collation rules to MySQL.
870     *
871     * @param Builder           $query
872     * @param Expression|string $field
873     * @param string[]          $search_terms
874     */
875    private function whereSearch(Builder $query, $field, array $search_terms): void
876    {
877        if ($field instanceof Expression) {
878            $field = $field->getValue();
879        }
880
881        foreach ($search_terms as $search_term) {
882            $query->whereContains(DB::raw($field), $search_term);
883        }
884    }
885
886    /**
887     * Apply soundex search filters to a SQL query column.
888     *
889     * @param Builder           $query
890     * @param Expression|string $field
891     * @param string            $soundex
892     */
893    private function wherePhonetic(Builder $query, $field, string $soundex): void
894    {
895        if ($soundex !== '') {
896            $query->where(static function (Builder $query) use ($soundex, $field): void {
897                foreach (explode(':', $soundex) as $sdx) {
898                    $query->orWhere($field, 'LIKE', '%' . $sdx . '%');
899                }
900            });
901        }
902    }
903
904    /**
905     * @param Builder $query
906     * @param string  $tree_id_field
907     * @param Tree[]  $trees
908     */
909    private function whereTrees(Builder $query, string $tree_id_field, array $trees): void
910    {
911        $tree_ids = array_map(static function (Tree $tree): int {
912            return $tree->id();
913        }, $trees);
914
915        $query->whereIn($tree_id_field, $tree_ids);
916    }
917
918    /**
919     * A closure to filter records by privacy-filtered GEDCOM data.
920     *
921     * @param array $search_terms
922     *
923     * @return Closure
924     */
925    private function rawGedcomFilter(array $search_terms): Closure
926    {
927        return static function (GedcomRecord $record) use ($search_terms): bool {
928            // Ignore non-genealogy fields
929            $gedcom = preg_replace('/\n\d (?:_UID) .*/', '', $record->gedcom());
930
931            // Ignore matches in links
932            $gedcom = preg_replace('/\n\d ' . Gedcom::REGEX_TAG . '( @' . Gedcom::REGEX_XREF . '@)?/', '', $gedcom);
933
934            // Re-apply the filtering
935            foreach ($search_terms as $search_term) {
936                if (mb_stripos($gedcom, $search_term) === false) {
937                    return false;
938                }
939            }
940
941            return true;
942        };
943    }
944
945    /**
946     * Searching for short or common text can give more results than the system can process.
947     *
948     * @param int $limit
949     *
950     * @return Closure
951     */
952    private function rowLimiter(int $limit = 1000): Closure
953    {
954        return static function () use ($limit): void {
955            static $n = 0;
956
957            if (++$n > $limit) {
958                $message = I18N::translate('The search returned too many results.');
959
960                throw new InternalServerErrorException($message);
961            }
962        };
963    }
964}
965