xref: /webtrees/app/Individual.php (revision 39ca88ba08cefcfcaf891abfcf748f9c808eb326)
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;
19
20use Closure;
21use Fisharebest\ExtCalendar\GregorianCalendar;
22use Fisharebest\Webtrees\GedcomCode\GedcomCodePedi;
23use Illuminate\Database\Capsule\Manager as DB;
24use Illuminate\Support\Collection;
25use stdClass;
26
27/**
28 * A GEDCOM individual (INDI) object.
29 */
30class Individual extends GedcomRecord
31{
32    public const RECORD_TYPE = 'INDI';
33
34    protected const ROUTE_NAME = 'individual';
35
36    /** @var int used in some lists to keep track of this individual’s generation in that list */
37    public $generation;
38
39    /** @var Date The estimated date of birth */
40    private $estimated_birth_date;
41
42    /** @var Date The estimated date of death */
43    private $estimated_death_date;
44
45    /**
46     * A closure which will create a record from a database row.
47     *
48     * @return Closure
49     */
50    public static function rowMapper(): Closure
51    {
52        return function (stdClass $row): Individual {
53            $individual = Individual::getInstance($row->i_id, Tree::findById((int) $row->i_file), $row->i_gedcom);
54
55            if ($row->n_num ?? null) {
56                $individual->setPrimaryName($row->n_num);
57            }
58
59            return $individual;
60        };
61    }
62
63    /**
64     * A closure which will compare individuals by birth date.
65     *
66     * @return Closure
67     */
68    public static function birthDateComparator(): Closure
69    {
70        return function (Individual $x, Individual $y): int {
71            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
72        };
73    }
74
75    /**
76     * A closure which will compare individuals by death date.
77     *
78     * @return Closure
79     */
80    public static function deathDateComparator(): Closure
81    {
82        return function (Individual $x, Individual $y): int {
83            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
84        };
85    }
86
87    /**
88     * Get an instance of an individual object. For single records,
89     * we just receive the XREF. For bulk records (such as lists
90     * and search results) we can receive the GEDCOM data as well.
91     *
92     * @param string      $xref
93     * @param Tree        $tree
94     * @param string|null $gedcom
95     *
96     * @throws \Exception
97     * @return Individual|null
98     */
99    public static function getInstance(string $xref, Tree $tree, string $gedcom = null)
100    {
101        $record = parent::getInstance($xref, $tree, $gedcom);
102
103        if ($record instanceof Individual) {
104            return $record;
105        }
106
107        return null;
108    }
109
110    /**
111     * Sometimes, we'll know in advance that we need to load a set of records.
112     * Typically when we load families and their members.
113     *
114     * @param Tree     $tree
115     * @param string[] $xrefs
116     *
117     * @return void
118     */
119    public static function load(Tree $tree, array $xrefs): void
120    {
121        $rows = DB::table('individuals')
122            ->where('i_file', '=', $tree->id())
123            ->whereIn('i_id', array_unique($xrefs))
124            ->select(['i_id AS xref', 'i_gedcom AS gedcom'])
125            ->get();
126
127        foreach ($rows as $row) {
128            self::getInstance($row->xref, $tree, $row->gedcom);
129        }
130    }
131
132    /**
133     * Can the name of this record be shown?
134     *
135     * @param int|null $access_level
136     *
137     * @return bool
138     */
139    public function canShowName(int $access_level = null): bool
140    {
141        if ($access_level === null) {
142            $access_level = Auth::accessLevel($this->tree);
143        }
144
145        return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
146    }
147
148    /**
149     * Can this individual be shown?
150     *
151     * @param int $access_level
152     *
153     * @return bool
154     */
155    protected function canShowByType(int $access_level): bool
156    {
157        // Dead people...
158        if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
159            $keep_alive             = false;
160            $KEEP_ALIVE_YEARS_BIRTH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
161            if ($KEEP_ALIVE_YEARS_BIRTH) {
162                preg_match_all('/\n1 (?:' . implode('|', Gedcom::BIRTH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
163                foreach ($matches as $match) {
164                    $date = new Date($match[1]);
165                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
166                        $keep_alive = true;
167                        break;
168                    }
169                }
170            }
171            $KEEP_ALIVE_YEARS_DEATH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
172            if ($KEEP_ALIVE_YEARS_DEATH) {
173                preg_match_all('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
174                foreach ($matches as $match) {
175                    $date = new Date($match[1]);
176                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
177                        $keep_alive = true;
178                        break;
179                    }
180                }
181            }
182            if (!$keep_alive) {
183                return true;
184            }
185        }
186        // Consider relationship privacy (unless an admin is applying download restrictions)
187        $user_path_length = (int) $this->tree->getUserPreference(Auth::user(), 'RELATIONSHIP_PATH_LENGTH');
188        $gedcomid         = $this->tree->getUserPreference(Auth::user(), 'gedcomid');
189        if ($gedcomid !== '' && $user_path_length > 0) {
190            return self::isRelated($this, $user_path_length);
191        }
192
193        // No restriction found - show living people to members only:
194        return Auth::PRIV_USER >= $access_level;
195    }
196
197    /**
198     * For relationship privacy calculations - is this individual a close relative?
199     *
200     * @param Individual $target
201     * @param int        $distance
202     *
203     * @return bool
204     */
205    private static function isRelated(Individual $target, $distance): bool
206    {
207        static $cache = null;
208
209        $user_individual = self::getInstance($target->tree->getUserPreference(Auth::user(), 'gedcomid'), $target->tree);
210        if ($user_individual) {
211            if (!$cache) {
212                $cache = [
213                    0 => [$user_individual],
214                    1 => [],
215                ];
216                foreach ($user_individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
217                    $family = $fact->target();
218                    if ($family instanceof Family) {
219                        $cache[1][] = $family;
220                    }
221                }
222            }
223        } else {
224            // No individual linked to this account? Cannot use relationship privacy.
225            return true;
226        }
227
228        // Double the distance, as we count the INDI-FAM and FAM-INDI links separately
229        $distance *= 2;
230
231        // Consider each path length in turn
232        for ($n = 0; $n <= $distance; ++$n) {
233            if (array_key_exists($n, $cache)) {
234                // We have already calculated all records with this length
235                if ($n % 2 == 0 && in_array($target, $cache[$n], true)) {
236                    return true;
237                }
238            } else {
239                // Need to calculate these paths
240                $cache[$n] = [];
241                if ($n % 2 == 0) {
242                    // Add FAM->INDI links
243                    foreach ($cache[$n - 1] as $family) {
244                        foreach ($family->facts(['HUSB', 'WIFE', 'CHIL'], false, Auth::PRIV_HIDE) as $fact) {
245                            $individual = $fact->target();
246                            // Don’t backtrack
247                            if ($individual instanceof Individual && !in_array($individual, $cache[$n - 2], true)) {
248                                $cache[$n][] = $individual;
249                            }
250                        }
251                    }
252                    if (in_array($target, $cache[$n], true)) {
253                        return true;
254                    }
255                } else {
256                    // Add INDI->FAM links
257                    foreach ($cache[$n - 1] as $individual) {
258                        foreach ($individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
259                            $family = $fact->target();
260                            // Don’t backtrack
261                            if ($family instanceof Family && !in_array($family, $cache[$n - 2], true)) {
262                                $cache[$n][] = $family;
263                            }
264                        }
265                    }
266                }
267            }
268        }
269
270        return false;
271    }
272
273    /**
274     * Generate a private version of this record
275     *
276     * @param int $access_level
277     *
278     * @return string
279     */
280    protected function createPrivateGedcomRecord(int $access_level): string
281    {
282        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
283
284        $rec = '0 @' . $this->xref . '@ INDI';
285        if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
286            // Show all the NAME tags, including subtags
287            foreach ($this->facts(['NAME']) as $fact) {
288                $rec .= "\n" . $fact->gedcom();
289            }
290        }
291        // Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
292        preg_match_all('/\n1 (?:FAMC|FAMS) @(' . Gedcom::REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
293        foreach ($matches as $match) {
294            $rela = Family::getInstance($match[1], $this->tree);
295            if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
296                $rec .= $match[0];
297            }
298        }
299        // Don’t privatize sex.
300        if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
301            $rec .= $match[0];
302        }
303
304        return $rec;
305    }
306
307    /**
308     * Fetch data from the database
309     *
310     * @param string $xref
311     * @param int    $tree_id
312     *
313     * @return null|string
314     */
315    protected static function fetchGedcomRecord(string $xref, int $tree_id)
316    {
317        return DB::table('individuals')
318            ->where('i_id', '=', $xref)
319            ->where('i_file', '=', $tree_id)
320            ->value('i_gedcom');
321    }
322
323    /**
324     * Calculate whether this individual is living or dead.
325     * If not known to be dead, then assume living.
326     *
327     * @return bool
328     */
329    public function isDead(): bool
330    {
331        $MAX_ALIVE_AGE = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
332
333        // "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
334        if (preg_match('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
335            return true;
336        }
337
338        // If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
339        if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
340            foreach ($date_matches[1] as $date_match) {
341                $date = new Date($date_match);
342                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * $MAX_ALIVE_AGE) {
343                    return true;
344                }
345            }
346            // The individual has one or more dated events. All are less than $MAX_ALIVE_AGE years ago.
347            // If one of these is a birth, the individual must be alive.
348            if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
349                return false;
350            }
351        }
352
353        // If we found no conclusive dates then check the dates of close relatives.
354
355        // Check parents (birth and adopted)
356        foreach ($this->childFamilies(Auth::PRIV_HIDE) as $family) {
357            foreach ($family->spouses(Auth::PRIV_HIDE) as $parent) {
358                // Assume parents are no more than 45 years older than their children
359                preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
360                foreach ($date_matches[1] as $date_match) {
361                    $date = new Date($date_match);
362                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 45)) {
363                        return true;
364                    }
365                }
366            }
367        }
368
369        // Check spouses
370        foreach ($this->spouseFamilies(Auth::PRIV_HIDE) as $family) {
371            preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
372            foreach ($date_matches[1] as $date_match) {
373                $date = new Date($date_match);
374                // Assume marriage occurs after age of 10
375                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 10)) {
376                    return true;
377                }
378            }
379            // Check spouse dates
380            $spouse = $family->spouse($this, Auth::PRIV_HIDE);
381            if ($spouse) {
382                preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
383                foreach ($date_matches[1] as $date_match) {
384                    $date = new Date($date_match);
385                    // Assume max age difference between spouses of 40 years
386                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 40)) {
387                        return true;
388                    }
389                }
390            }
391            // Check child dates
392            foreach ($family->children(Auth::PRIV_HIDE) as $child) {
393                preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
394                // Assume children born after age of 15
395                foreach ($date_matches[1] as $date_match) {
396                    $date = new Date($date_match);
397                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 15)) {
398                        return true;
399                    }
400                }
401                // Check grandchildren
402                foreach ($child->spouseFamilies(Auth::PRIV_HIDE) as $child_family) {
403                    foreach ($child_family->children(Auth::PRIV_HIDE) as $grandchild) {
404                        preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
405                        // Assume grandchildren born after age of 30
406                        foreach ($date_matches[1] as $date_match) {
407                            $date = new Date($date_match);
408                            if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 30)) {
409                                return true;
410                            }
411                        }
412                    }
413                }
414            }
415        }
416
417        return false;
418    }
419
420    /**
421     * Find the highlighted media object for an individual
422     *
423     * @return null|MediaFile
424     */
425    public function findHighlightedMediaFile()
426    {
427        foreach ($this->facts(['OBJE']) as $fact) {
428            $media = $fact->target();
429            if ($media instanceof Media) {
430                foreach ($media->mediaFiles() as $media_file) {
431                    if ($media_file->isImage() && !$media_file->isExternal()) {
432                        return $media_file;
433                    }
434                }
435            }
436        }
437
438        return null;
439    }
440
441    /**
442     * Display the prefered image for this individual.
443     * Use an icon if no image is available.
444     *
445     * @param int      $width      Pixels
446     * @param int      $height     Pixels
447     * @param string   $fit        "crop" or "contain"
448     * @param string[] $attributes Additional HTML attributes
449     *
450     * @return string
451     */
452    public function displayImage($width, $height, $fit, $attributes): string
453    {
454        $media_file = $this->findHighlightedMediaFile();
455
456        if ($media_file !== null) {
457            return $media_file->displayImage($width, $height, $fit, $attributes);
458        }
459
460        if ($this->tree->getPreference('USE_SILHOUETTE')) {
461            return '<i class="icon-silhouette-' . $this->sex() . '"></i>';
462        }
463
464        return '';
465    }
466
467    /**
468     * Get the date of birth
469     *
470     * @return Date
471     */
472    public function getBirthDate(): Date
473    {
474        foreach ($this->getAllBirthDates() as $date) {
475            if ($date->isOK()) {
476                return $date;
477            }
478        }
479
480        return new Date('');
481    }
482
483    /**
484     * Get the place of birth
485     *
486     * @return Place
487     */
488    public function getBirthPlace(): Place
489    {
490        foreach ($this->getAllBirthPlaces() as $place) {
491            return $place;
492        }
493
494        return new Place('', $this->tree);
495    }
496
497    /**
498     * Get the year of birth
499     *
500     * @return string the year of birth
501     */
502    public function getBirthYear(): string
503    {
504        return $this->getBirthDate()->minimumDate()->format('%Y');
505    }
506
507    /**
508     * Get the date of death
509     *
510     * @return Date
511     */
512    public function getDeathDate(): Date
513    {
514        foreach ($this->getAllDeathDates() as $date) {
515            if ($date->isOK()) {
516                return $date;
517            }
518        }
519
520        return new Date('');
521    }
522
523    /**
524     * Get the place of death
525     *
526     * @return Place
527     */
528    public function getDeathPlace(): Place
529    {
530        foreach ($this->getAllDeathPlaces() as $place) {
531            return $place;
532        }
533
534        return new Place('', $this->tree);
535    }
536
537    /**
538     * get the death year
539     *
540     * @return string the year of death
541     */
542    public function getDeathYear(): string
543    {
544        return $this->getDeathDate()->minimumDate()->format('%Y');
545    }
546
547    /**
548     * Get the range of years in which a individual lived. e.g. “1870–”, “1870–1920”, “–1920”.
549     * Provide the place and full date using a tooltip.
550     * For consistent layout in charts, etc., show just a “–” when no dates are known.
551     * Note that this is a (non-breaking) en-dash, and not a hyphen.
552     *
553     * @return string
554     */
555    public function getLifeSpan(): string
556    {
557        // Just the first part of the place name
558        $birth_place = strip_tags($this->getBirthPlace()->shortName());
559        $death_place = strip_tags($this->getDeathPlace()->shortName());
560        // Remove markup from dates
561        $birth_date = strip_tags($this->getBirthDate()->display());
562        $death_date = strip_tags($this->getDeathDate()->display());
563
564        /* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */
565        return
566            I18N::translate(
567                '%1$s–%2$s',
568                '<span title="' . $birth_place . ' ' . $birth_date . '">' . $this->getBirthYear() . '</span>',
569                '<span title="' . $death_place . ' ' . $death_date . '">' . $this->getDeathYear() . '</span>'
570            );
571    }
572
573    /**
574     * Get all the birth dates - for the individual lists.
575     *
576     * @return Date[]
577     */
578    public function getAllBirthDates(): array
579    {
580        foreach (Gedcom::BIRTH_EVENTS as $event) {
581            $tmp = $this->getAllEventDates([$event]);
582            if ($tmp) {
583                return $tmp;
584            }
585        }
586
587        return [];
588    }
589
590    /**
591     * Gat all the birth places - for the individual lists.
592     *
593     * @return Place[]
594     */
595    public function getAllBirthPlaces(): array
596    {
597        foreach (Gedcom::BIRTH_EVENTS as $event) {
598            $places = $this->getAllEventPlaces([$event]);
599            if (!empty($places)) {
600                return $places;
601            }
602        }
603
604        return [];
605    }
606
607    /**
608     * Get all the death dates - for the individual lists.
609     *
610     * @return Date[]
611     */
612    public function getAllDeathDates(): array
613    {
614        foreach (Gedcom::DEATH_EVENTS as $event) {
615            $tmp = $this->getAllEventDates([$event]);
616            if ($tmp) {
617                return $tmp;
618            }
619        }
620
621        return [];
622    }
623
624    /**
625     * Get all the death places - for the individual lists.
626     *
627     * @return Place[]
628     */
629    public function getAllDeathPlaces(): array
630    {
631        foreach (Gedcom::DEATH_EVENTS as $event) {
632            $places = $this->getAllEventPlaces([$event]);
633            if (!empty($places)) {
634                return $places;
635            }
636        }
637
638        return [];
639    }
640
641    /**
642     * Generate an estimate for the date of birth, based on dates of parents/children/spouses
643     *
644     * @return Date
645     */
646    public function getEstimatedBirthDate(): Date
647    {
648        if ($this->estimated_birth_date === null) {
649            foreach ($this->getAllBirthDates() as $date) {
650                if ($date->isOK()) {
651                    $this->estimated_birth_date = $date;
652                    break;
653                }
654            }
655            if ($this->estimated_birth_date === null) {
656                $min = [];
657                $max = [];
658                $tmp = $this->getDeathDate();
659                if ($tmp->isOK()) {
660                    $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
661                    $max[] = $tmp->maximumJulianDay();
662                }
663                foreach ($this->childFamilies() as $family) {
664                    $tmp = $family->getMarriageDate();
665                    if ($tmp->isOK()) {
666                        $min[] = $tmp->maximumJulianDay() - 365 * 1;
667                        $max[] = $tmp->minimumJulianDay() + 365 * 30;
668                    }
669                    $husband = $family->husband();
670                    if ($husband instanceof Individual) {
671                        $tmp = $husband->getBirthDate();
672                        if ($tmp->isOK()) {
673                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
674                            $max[] = $tmp->minimumJulianDay() + 365 * 65;
675                        }
676                    }
677                    $wife = $family->wife();
678                    if ($wife instanceof Individual) {
679                        $tmp = $wife->getBirthDate();
680                        if ($tmp->isOK()) {
681                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
682                            $max[] = $tmp->minimumJulianDay() + 365 * 45;
683                        }
684                    }
685                    foreach ($family->children() as $child) {
686                        $tmp = $child->getBirthDate();
687                        if ($tmp->isOK()) {
688                            $min[] = $tmp->maximumJulianDay() - 365 * 30;
689                            $max[] = $tmp->minimumJulianDay() + 365 * 30;
690                        }
691                    }
692                }
693                foreach ($this->spouseFamilies() as $family) {
694                    $tmp = $family->getMarriageDate();
695                    if ($tmp->isOK()) {
696                        $min[] = $tmp->maximumJulianDay() - 365 * 45;
697                        $max[] = $tmp->minimumJulianDay() - 365 * 15;
698                    }
699                    $spouse = $family->spouse($this);
700                    if ($spouse) {
701                        $tmp = $spouse->getBirthDate();
702                        if ($tmp->isOK()) {
703                            $min[] = $tmp->maximumJulianDay() - 365 * 25;
704                            $max[] = $tmp->minimumJulianDay() + 365 * 25;
705                        }
706                    }
707                    foreach ($family->children() as $child) {
708                        $tmp = $child->getBirthDate();
709                        if ($tmp->isOK()) {
710                            $min[] = $tmp->maximumJulianDay() - 365 * ($this->sex() == 'F' ? 45 : 65);
711                            $max[] = $tmp->minimumJulianDay() - 365 * 15;
712                        }
713                    }
714                }
715                if ($min && $max) {
716                    $gregorian_calendar = new GregorianCalendar();
717
718                    [$year] = $gregorian_calendar->jdToYmd(intdiv(max($min) + min($max), 2));
719                    $this->estimated_birth_date = new Date('EST ' . $year);
720                } else {
721                    $this->estimated_birth_date = new Date(''); // always return a date object
722                }
723            }
724        }
725
726        return $this->estimated_birth_date;
727    }
728
729    /**
730     * Generate an estimated date of death.
731     *
732     * @return Date
733     */
734    public function getEstimatedDeathDate(): Date
735    {
736        if ($this->estimated_death_date === null) {
737            foreach ($this->getAllDeathDates() as $date) {
738                if ($date->isOK()) {
739                    $this->estimated_death_date = $date;
740                    break;
741                }
742            }
743            if ($this->estimated_death_date === null) {
744                if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
745                    $max_alive_age              = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
746                    $this->estimated_death_date = $this->getEstimatedBirthDate()->addYears($max_alive_age, 'BEF');
747                } else {
748                    $this->estimated_death_date = new Date(''); // always return a date object
749                }
750            }
751        }
752
753        return $this->estimated_death_date;
754    }
755
756    /**
757     * Get the sex - M F or U
758     * Use the un-privatised gedcom record. We call this function during
759     * the privatize-gedcom function, and we are allowed to know this.
760     *
761     * @return string
762     */
763    public function sex()
764    {
765        if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
766            return $match[1];
767        }
768
769        return 'U';
770    }
771
772    /**
773     * Get the individual’s sex image
774     *
775     * @param string $size
776     *
777     * @return string
778     */
779    public function getSexImage($size = 'small'): string
780    {
781        return self::sexImage($this->sex(), $size);
782    }
783
784    /**
785     * Generate a sex icon/image
786     *
787     * @param string $sex
788     * @param string $size
789     *
790     * @return string
791     */
792    public static function sexImage($sex, $size = 'small'): string
793    {
794        $image = view('icons/sex-' . $sex);
795
796        if ($size === 'small') {
797            $image = '<small>' . $image . '</small>';
798        }
799
800        return $image;
801    }
802
803    /**
804     * Generate the CSS class to be used for drawing this individual
805     *
806     * @return string
807     */
808    public function getBoxStyle(): string
809    {
810        $tmp = [
811            'M' => '',
812            'F' => 'F',
813            'U' => 'NN',
814        ];
815
816        return 'person_box' . $tmp[$this->sex()];
817    }
818
819    /**
820     * Get a list of this individual’s spouse families
821     *
822     * @param int|null $access_level
823     *
824     * @return Collection|Family[]
825     */
826    public function spouseFamilies($access_level = null): Collection
827    {
828        if ($access_level === null) {
829            $access_level = Auth::accessLevel($this->tree);
830        }
831
832        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
833
834        $families = new Collection();
835        foreach ($this->facts(['FAMS'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
836            $family = $fact->target();
837            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
838                $families->push($family);
839            }
840        }
841
842        return new Collection($families);
843    }
844
845    /**
846     * Get the current spouse of this individual.
847     *
848     * Where an individual has multiple spouses, assume they are stored
849     * in chronological order, and take the last one found.
850     *
851     * @return Individual|null
852     */
853    public function getCurrentSpouse()
854    {
855        $family = $this->spouseFamilies()->last();
856
857        if ($family instanceof Family) {
858            return $family->spouse($this);
859        }
860
861        return null;
862    }
863
864    /**
865     * Count the children belonging to this individual.
866     *
867     * @return int
868     */
869    public function numberOfChildren()
870    {
871        if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->gedcom(), $match)) {
872            return (int) $match[1];
873        }
874
875        $children = [];
876        foreach ($this->spouseFamilies() as $fam) {
877            foreach ($fam->children() as $child) {
878                $children[$child->xref()] = true;
879            }
880        }
881
882        return count($children);
883    }
884
885    /**
886     * Get a list of this individual’s child families (i.e. their parents).
887     *
888     * @param int|null $access_level
889     *
890     * @return Collection|Family[]
891     */
892    public function childFamilies($access_level = null): Collection
893    {
894        if ($access_level === null) {
895            $access_level = Auth::accessLevel($this->tree);
896        }
897
898        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
899
900        $families = new Collection();
901
902        foreach ($this->facts(['FAMC'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
903            $family = $fact->target();
904            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
905                $families->push($family);
906            }
907        }
908
909        return $families;
910    }
911
912    /**
913     * Get the preferred parents for this individual.
914     *
915     * An individual may multiple parents (e.g. birth, adopted, disputed).
916     * The preferred family record is:
917     * (a) the first one with an explicit tag "_PRIMARY Y"
918     * (b) the first one with a pedigree of "birth"
919     * (c) the first one with no pedigree (default is "birth")
920     * (d) the first one found
921     *
922     * @return Family|null
923     */
924    public function primaryChildFamily()
925    {
926        $families = $this->childFamilies();
927        switch (count($families)) {
928            case 0:
929                return null;
930            case 1:
931                return $families[0];
932            default:
933                // If there is more than one FAMC record, choose the preferred parents:
934                // a) records with '2 _PRIMARY'
935                foreach ($families as $fam) {
936                    $famid = $fam->xref();
937                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 _PRIMARY Y)/", $this->gedcom())) {
938                        return $fam;
939                    }
940                }
941                // b) records with '2 PEDI birt'
942                foreach ($families as $fam) {
943                    $famid = $fam->xref();
944                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI birth)/", $this->gedcom())) {
945                        return $fam;
946                    }
947                }
948                // c) records with no '2 PEDI'
949                foreach ($families as $fam) {
950                    $famid = $fam->xref();
951                    if (!preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI)/", $this->gedcom())) {
952                        return $fam;
953                    }
954                }
955
956                // d) any record
957                return $families[0];
958        }
959    }
960
961    /**
962     * Get a list of step-parent families.
963     *
964     * @return Family[]
965     */
966    public function childStepFamilies(): array
967    {
968        $step_families = [];
969        $families      = $this->childFamilies();
970        foreach ($families as $family) {
971            $father = $family->husband();
972            if ($father) {
973                foreach ($father->spouseFamilies() as $step_family) {
974                    if (!$families->containsStrict($step_family)) {
975                        $step_families[] = $step_family;
976                    }
977                }
978            }
979            $mother = $family->wife();
980            if ($mother) {
981                foreach ($mother->spouseFamilies() as $step_family) {
982                    if (!$families->containsStrict($step_family)) {
983                        $step_families[] = $step_family;
984                    }
985                }
986            }
987        }
988
989        return $step_families;
990    }
991
992    /**
993     * Get a list of step-parent families.
994     *
995     * @return Family[]
996     */
997    public function spouseStepFamilies(): array
998    {
999        $step_families = [];
1000        $families      = $this->spouseFamilies();
1001        foreach ($families as $family) {
1002            $spouse = $family->spouse($this);
1003            if ($spouse) {
1004                foreach ($family->spouse($this)->spouseFamilies() as $step_family) {
1005                    if (!$families->containsStrict($step_family)) {
1006                        $step_families[] = $step_family;
1007                    }
1008                }
1009            }
1010        }
1011
1012        return $step_families;
1013    }
1014
1015    /**
1016     * A label for a parental family group
1017     *
1018     * @param Family $family
1019     *
1020     * @return string
1021     */
1022    public function getChildFamilyLabel(Family $family)
1023    {
1024        if (preg_match('/\n1 FAMC @' . $family->xref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->gedcom(), $match)) {
1025            // A specified pedigree
1026            return GedcomCodePedi::getChildFamilyLabel($match[1]);
1027        }
1028
1029        // Default (birth) pedigree
1030        return GedcomCodePedi::getChildFamilyLabel('');
1031    }
1032
1033    /**
1034     * Create a label for a step family
1035     *
1036     * @param Family $step_family
1037     *
1038     * @return string
1039     */
1040    public function getStepFamilyLabel(Family $step_family): string
1041    {
1042        foreach ($this->childFamilies() as $family) {
1043            if ($family !== $step_family) {
1044                // Must be a step-family
1045                foreach ($family->spouses() as $parent) {
1046                    foreach ($step_family->spouses() as $step_parent) {
1047                        if ($parent === $step_parent) {
1048                            // One common parent - must be a step family
1049                            if ($parent->sex() == 'M') {
1050                                // Father’s family with someone else
1051                                if ($step_family->spouse($step_parent)) {
1052                                    /* I18N: A step-family. %s is an individual’s name */
1053                                    return I18N::translate('Father’s family with %s', $step_family->spouse($step_parent)->fullName());
1054                                }
1055
1056                                /* I18N: A step-family. */
1057                                return I18N::translate('Father’s family with an unknown individual');
1058                            }
1059
1060                            // Mother’s family with someone else
1061                            if ($step_family->spouse($step_parent)) {
1062                                /* I18N: A step-family. %s is an individual’s name */
1063                                return I18N::translate('Mother’s family with %s', $step_family->spouse($step_parent)->fullName());
1064                            }
1065
1066                            /* I18N: A step-family. */
1067                            return I18N::translate('Mother’s family with an unknown individual');
1068                        }
1069                    }
1070                }
1071            }
1072        }
1073
1074        // Perahps same parents - but a different family record?
1075        return I18N::translate('Family with parents');
1076    }
1077
1078    /**
1079     * Get the description for the family.
1080     *
1081     * For example, "XXX's family with new wife".
1082     *
1083     * @param Family $family
1084     *
1085     * @return string
1086     */
1087    public function getSpouseFamilyLabel(Family $family)
1088    {
1089        $spouse = $family->spouse($this);
1090        if ($spouse) {
1091            /* I18N: %s is the spouse name */
1092            return I18N::translate('Family with %s', $spouse->fullName());
1093        }
1094
1095        return $family->fullName();
1096    }
1097
1098    /**
1099     * get primary parents names for this individual
1100     *
1101     * @param string $classname optional css class
1102     * @param string $display   optional css style display
1103     *
1104     * @return string a div block with father & mother names
1105     */
1106    public function getPrimaryParentsNames($classname = '', $display = ''): string
1107    {
1108        $fam = $this->primaryChildFamily();
1109        if (!$fam) {
1110            return '';
1111        }
1112        $txt = '<div';
1113        if ($classname) {
1114            $txt .= ' class="' . $classname . '"';
1115        }
1116        if ($display) {
1117            $txt .= ' style="display:' . $display . '"';
1118        }
1119        $txt .= '>';
1120        $husb = $fam->husband();
1121        if ($husb) {
1122            // Temporarily reset the 'prefered' display name, as we always
1123            // want the default name, not the one selected for display on the indilist.
1124            $primary = $husb->getPrimaryName();
1125            $husb->setPrimaryName(null);
1126            /* I18N: %s is the name of an individual’s father */
1127            $txt .= I18N::translate('Father: %s', $husb->fullName()) . '<br>';
1128            $husb->setPrimaryName($primary);
1129        }
1130        $wife = $fam->wife();
1131        if ($wife) {
1132            // Temporarily reset the 'prefered' display name, as we always
1133            // want the default name, not the one selected for display on the indilist.
1134            $primary = $wife->getPrimaryName();
1135            $wife->setPrimaryName(null);
1136            /* I18N: %s is the name of an individual’s mother */
1137            $txt .= I18N::translate('Mother: %s', $wife->fullName());
1138            $wife->setPrimaryName($primary);
1139        }
1140        $txt .= '</div>';
1141
1142        return $txt;
1143    }
1144
1145    /**
1146     * If this object has no name, what do we call it?
1147     *
1148     * @return string
1149     */
1150    public function getFallBackName(): string
1151    {
1152        return '@P.N. /@N.N./';
1153    }
1154
1155    /**
1156     * Convert a name record into ‘full’ and ‘sort’ versions.
1157     * Use the NAME field to generate the ‘full’ version, as the
1158     * gedcom spec says that this is the individual’s name, as they would write it.
1159     * Use the SURN field to generate the sortable names. Note that this field
1160     * may also be used for the ‘true’ surname, perhaps spelt differently to that
1161     * recorded in the NAME field. e.g.
1162     *
1163     * 1 NAME Robert /de Gliderow/
1164     * 2 GIVN Robert
1165     * 2 SPFX de
1166     * 2 SURN CLITHEROW
1167     * 2 NICK The Bald
1168     *
1169     * full=>'Robert de Gliderow 'The Bald''
1170     * sort=>'CLITHEROW, ROBERT'
1171     *
1172     * Handle multiple surnames, either as;
1173     *
1174     * 1 NAME Carlos /Vasquez/ y /Sante/
1175     * or
1176     * 1 NAME Carlos /Vasquez y Sante/
1177     * 2 GIVN Carlos
1178     * 2 SURN Vasquez,Sante
1179     *
1180     * @param string $type
1181     * @param string $full
1182     * @param string $gedcom
1183     */
1184    protected function addName(string $type, string $full, string $gedcom)
1185    {
1186        ////////////////////////////////////////////////////////////////////////////
1187        // Extract the structured name parts - use for "sortable" names and indexes
1188        ////////////////////////////////////////////////////////////////////////////
1189
1190        $sublevel = 1 + (int) substr($gedcom, 0, 1);
1191        $GIVN     = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1192        $SURN     = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1193        $NICK     = preg_match("/\n{$sublevel} NICK (.+)/", $gedcom, $match) ? $match[1] : '';
1194
1195        // SURN is an comma-separated list of surnames...
1196        if ($SURN !== '') {
1197            $SURNS = preg_split('/ *, */', $SURN);
1198        } else {
1199            $SURNS = [];
1200        }
1201
1202        // ...so is GIVN - but nobody uses it like that
1203        $GIVN = str_replace('/ *, */', ' ', $GIVN);
1204
1205        ////////////////////////////////////////////////////////////////////////////
1206        // Extract the components from NAME - use for the "full" names
1207        ////////////////////////////////////////////////////////////////////////////
1208
1209        // Fix bad slashes. e.g. 'John/Smith' => 'John/Smith/'
1210        if (substr_count($full, '/') % 2 === 1) {
1211            $full = $full . '/';
1212        }
1213
1214        // GEDCOM uses "//" to indicate an unknown surname
1215        $full = preg_replace('/\/\//', '/@N.N./', $full);
1216
1217        // Extract the surname.
1218        // Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1219        if (preg_match('/\/.*\//', $full, $match)) {
1220            $surname = str_replace('/', '', $match[0]);
1221        } else {
1222            $surname = '';
1223        }
1224
1225        // If we don’t have a SURN record, extract it from the NAME
1226        if (!$SURNS) {
1227            if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1228                // There can be many surnames, each wrapped with '/'
1229                $SURNS = $matches[1];
1230                foreach ($SURNS as $n => $SURN) {
1231                    // Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1232                    $SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1233                }
1234            } else {
1235                // It is valid not to have a surname at all
1236                $SURNS = [''];
1237            }
1238        }
1239
1240        // If we don’t have a GIVN record, extract it from the NAME
1241        if (!$GIVN) {
1242            $GIVN = preg_replace(
1243                [
1244                    '/ ?\/.*\/ ?/',
1245                    // remove surname
1246                    '/ ?".+"/',
1247                    // remove nickname
1248                    '/ {2,}/',
1249                    // multiple spaces, caused by the above
1250                    '/^ | $/',
1251                    // leading/trailing spaces, caused by the above
1252                ],
1253                [
1254                    ' ',
1255                    ' ',
1256                    ' ',
1257                    '',
1258                ],
1259                $full
1260            );
1261        }
1262
1263        // Add placeholder for unknown given name
1264        if (!$GIVN) {
1265            $GIVN = '@P.N.';
1266            $pos  = (int) strpos($full, '/');
1267            $full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1268        }
1269
1270        // GEDCOM 5.5.1 nicknames should be specificied in a NICK field
1271        // GEDCOM 5.5   nicknames should be specified in the NAME field, surrounded by quotes
1272        if ($NICK && strpos($full, '"' . $NICK . '"') === false) {
1273            // A NICK field is present, but not included in the NAME.  Show it at the end.
1274            $full .= ' "' . $NICK . '"';
1275        }
1276
1277        // Remove slashes - they don’t get displayed
1278        // $fullNN keeps the @N.N. placeholders, for the database
1279        // $full is for display on-screen
1280        $fullNN = str_replace('/', '', $full);
1281
1282        // Insert placeholders for any missing/unknown names
1283        $full = str_replace('@N.N.', I18N::translateContext('Unknown surname', '…'), $full);
1284        $full = str_replace('@P.N.', I18N::translateContext('Unknown given name', '…'), $full);
1285        // Format for display
1286        $full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', e($full)) . '</span>';
1287        // Localise quotation marks around the nickname
1288        $full = preg_replace_callback('/&quot;([^&]*)&quot;/', function (array $matches): string {
1289            return I18N::translate('“%s”', $matches[1]);
1290        }, $full);
1291
1292        // A suffix of “*” indicates a preferred name
1293        $full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1294
1295        // Remove prefered-name indicater - they don’t go in the database
1296        $GIVN   = str_replace('*', '', $GIVN);
1297        $fullNN = str_replace('*', '', $fullNN);
1298
1299        foreach ($SURNS as $SURN) {
1300            // Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1301            if (strcasecmp(substr($SURN, 0, 2), 'Mc') == 0) {
1302                $SURN = substr_replace($SURN, 'Mac', 0, 2);
1303            } elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') == 0) {
1304                $SURN = substr_replace($SURN, 'Mac', 0, 4);
1305            }
1306
1307            $this->getAllNames[] = [
1308                'type'    => $type,
1309                'sort'    => $SURN . ',' . $GIVN,
1310                'full'    => $full,
1311                // This is used for display
1312                'fullNN'  => $fullNN,
1313                // This goes into the database
1314                'surname' => $surname,
1315                // This goes into the database
1316                'givn'    => $GIVN,
1317                // This goes into the database
1318                'surn'    => $SURN,
1319                // This goes into the database
1320            ];
1321        }
1322    }
1323
1324    /**
1325     * Extract names from the GEDCOM record.
1326     *
1327     * @return void
1328     */
1329    public function extractNames()
1330    {
1331        $this->extractNamesFromFacts(
1332            1,
1333            'NAME',
1334            $this->facts(
1335                ['NAME'],
1336                false,
1337                Auth::accessLevel($this->tree),
1338                $this->canShowName()
1339            )
1340        );
1341    }
1342
1343    /**
1344     * Extra info to display when displaying this record in a list of
1345     * selection items or favorites.
1346     *
1347     * @return string
1348     */
1349    public function formatListDetails(): string
1350    {
1351        return
1352            $this->formatFirstMajorFact(Gedcom::BIRTH_EVENTS, 1) .
1353            $this->formatFirstMajorFact(Gedcom::DEATH_EVENTS, 1);
1354    }
1355}
1356