xref: /webtrees/app/Individual.php (revision 24f2a3af38709f9bf0a739b30264240d20ba34e8)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use Closure;
23use Fisharebest\ExtCalendar\GregorianCalendar;
24use Fisharebest\Webtrees\Contracts\UserInterface;
25use Fisharebest\Webtrees\Http\RequestHandlers\IndividualPage;
26use Illuminate\Database\Capsule\Manager as DB;
27use Illuminate\Support\Collection;
28
29use function preg_match;
30
31/**
32 * A GEDCOM individual (INDI) object.
33 */
34class Individual extends GedcomRecord
35{
36    public const RECORD_TYPE = 'INDI';
37
38    // Placeholders to indicate unknown names
39    public const NOMEN_NESCIO     = '@N.N.';
40    public const PRAENOMEN_NESCIO = '@P.N.';
41
42    protected const ROUTE_NAME = IndividualPage::class;
43
44    /** @var int used in some lists to keep track of this individual’s generation in that list */
45    public $generation;
46
47    /** @var Date The estimated date of birth */
48    private $estimated_birth_date;
49
50    /** @var Date The estimated date of death */
51    private $estimated_death_date;
52
53    /**
54     * A closure which will create a record from a database row.
55     *
56     * @deprecated since 2.0.4.  Will be removed in 2.1.0 - Use Registry::individualFactory()
57     *
58     * @param Tree $tree
59     *
60     * @return Closure
61     */
62    public static function rowMapper(Tree $tree): Closure
63    {
64        return Registry::individualFactory()->mapper($tree);
65    }
66
67    /**
68     * A closure which will compare individuals by birth date.
69     *
70     * @return Closure
71     */
72    public static function birthDateComparator(): Closure
73    {
74        return static function (Individual $x, Individual $y): int {
75            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
76        };
77    }
78
79    /**
80     * A closure which will compare individuals by death date.
81     *
82     * @return Closure
83     */
84    public static function deathDateComparator(): Closure
85    {
86        return static function (Individual $x, Individual $y): int {
87            return Date::compare($x->getEstimatedDeathDate(), $y->getEstimatedDeathDate());
88        };
89    }
90
91    /**
92     * Get an instance of an individual object. For single records,
93     * we just receive the XREF. For bulk records (such as lists
94     * and search results) we can receive the GEDCOM data as well.
95     *
96     * @deprecated since 2.0.4.  Will be removed in 2.1.0 - Use Registry::individualFactory()
97     *
98     * @param string      $xref
99     * @param Tree        $tree
100     * @param string|null $gedcom
101     *
102     * @return Individual|null
103     */
104    public static function getInstance(string $xref, Tree $tree, string $gedcom = null): ?Individual
105    {
106        return Registry::individualFactory()->make($xref, $tree, $gedcom);
107    }
108
109    /**
110     * Sometimes, we'll know in advance that we need to load a set of records.
111     * Typically when we load families and their members.
112     *
113     * @param Tree     $tree
114     * @param string[] $xrefs
115     *
116     * @return void
117     */
118    public static function load(Tree $tree, array $xrefs): void
119    {
120        $rows = DB::table('individuals')
121            ->where('i_file', '=', $tree->id())
122            ->whereIn('i_id', array_unique($xrefs))
123            ->select(['i_id AS xref', 'i_gedcom AS gedcom'])
124            ->get();
125
126        foreach ($rows as $row) {
127            Registry::individualFactory()->make($row->xref, $tree, $row->gedcom);
128        }
129    }
130
131    /**
132     * Can the name of this record be shown?
133     *
134     * @param int|null $access_level
135     *
136     * @return bool
137     */
138    public function canShowName(int $access_level = null): bool
139    {
140        $access_level = $access_level ?? Auth::accessLevel($this->tree);
141
142        return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
143    }
144
145    /**
146     * Can this individual be shown?
147     *
148     * @param int $access_level
149     *
150     * @return bool
151     */
152    protected function canShowByType(int $access_level): bool
153    {
154        // Dead people...
155        if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
156            $keep_alive             = false;
157            $KEEP_ALIVE_YEARS_BIRTH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
158            if ($KEEP_ALIVE_YEARS_BIRTH) {
159                preg_match_all('/\n1 (?:' . implode('|', Gedcom::BIRTH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
160                foreach ($matches as $match) {
161                    $date = new Date($match[1]);
162                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
163                        $keep_alive = true;
164                        break;
165                    }
166                }
167            }
168            $KEEP_ALIVE_YEARS_DEATH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
169            if ($KEEP_ALIVE_YEARS_DEATH) {
170                preg_match_all('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
171                foreach ($matches as $match) {
172                    $date = new Date($match[1]);
173                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
174                        $keep_alive = true;
175                        break;
176                    }
177                }
178            }
179            if (!$keep_alive) {
180                return true;
181            }
182        }
183        // Consider relationship privacy (unless an admin is applying download restrictions)
184        $user_path_length = (int) $this->tree->getUserPreference(Auth::user(), UserInterface::PREF_TREE_PATH_LENGTH);
185        $gedcomid         = $this->tree->getUserPreference(Auth::user(), UserInterface::PREF_TREE_ACCOUNT_XREF);
186
187        if ($gedcomid !== '' && $user_path_length > 0) {
188            return self::isRelated($this, $user_path_length);
189        }
190
191        // No restriction found - show living people to members only:
192        return Auth::PRIV_USER >= $access_level;
193    }
194
195    /**
196     * For relationship privacy calculations - is this individual a close relative?
197     *
198     * @param Individual $target
199     * @param int        $distance
200     *
201     * @return bool
202     */
203    private static function isRelated(Individual $target, int $distance): bool
204    {
205        static $cache = null;
206
207        $user_individual = Registry::individualFactory()->make($target->tree->getUserPreference(Auth::user(), UserInterface::PREF_TREE_ACCOUNT_XREF), $target->tree);
208        if ($user_individual) {
209            if (!$cache) {
210                $cache = [
211                    0 => [$user_individual],
212                    1 => [],
213                ];
214                foreach ($user_individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
215                    $family = $fact->target();
216                    if ($family instanceof Family) {
217                        $cache[1][] = $family;
218                    }
219                }
220            }
221        } else {
222            // No individual linked to this account? Cannot use relationship privacy.
223            return true;
224        }
225
226        // Double the distance, as we count the INDI-FAM and FAM-INDI links separately
227        $distance *= 2;
228
229        // Consider each path length in turn
230        for ($n = 0; $n <= $distance; ++$n) {
231            if (array_key_exists($n, $cache)) {
232                // We have already calculated all records with this length
233                if ($n % 2 === 0 && in_array($target, $cache[$n], true)) {
234                    return true;
235                }
236            } else {
237                // Need to calculate these paths
238                $cache[$n] = [];
239                if ($n % 2 === 0) {
240                    // Add FAM->INDI links
241                    foreach ($cache[$n - 1] as $family) {
242                        foreach ($family->facts(['HUSB', 'WIFE', 'CHIL'], false, Auth::PRIV_HIDE) as $fact) {
243                            $individual = $fact->target();
244                            // Don’t backtrack
245                            if ($individual instanceof self && !in_array($individual, $cache[$n - 2], true)) {
246                                $cache[$n][] = $individual;
247                            }
248                        }
249                    }
250                    if (in_array($target, $cache[$n], true)) {
251                        return true;
252                    }
253                } else {
254                    // Add INDI->FAM links
255                    foreach ($cache[$n - 1] as $individual) {
256                        foreach ($individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
257                            $family = $fact->target();
258                            // Don’t backtrack
259                            if ($family instanceof Family && !in_array($family, $cache[$n - 2], true)) {
260                                $cache[$n][] = $family;
261                            }
262                        }
263                    }
264                }
265            }
266        }
267
268        return false;
269    }
270
271    /**
272     * Generate a private version of this record
273     *
274     * @param int $access_level
275     *
276     * @return string
277     */
278    protected function createPrivateGedcomRecord(int $access_level): string
279    {
280        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
281
282        $rec = '0 @' . $this->xref . '@ INDI';
283        if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
284            // Show all the NAME tags, including subtags
285            foreach ($this->facts(['NAME']) as $fact) {
286                $rec .= "\n" . $fact->gedcom();
287            }
288        }
289        // Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
290        preg_match_all('/\n1 (?:FAMC|FAMS) @(' . Gedcom::REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
291        foreach ($matches as $match) {
292            $rela = Registry::familyFactory()->make($match[1], $this->tree);
293            if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
294                $rec .= $match[0];
295            }
296        }
297        // Don’t privatize sex.
298        if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
299            $rec .= $match[0];
300        }
301
302        return $rec;
303    }
304
305    /**
306     * Calculate whether this individual is living or dead.
307     * If not known to be dead, then assume living.
308     *
309     * @return bool
310     */
311    public function isDead(): bool
312    {
313        $MAX_ALIVE_AGE = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
314        $today_jd      = Carbon::now()->julianDay();
315
316        // "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
317        if (preg_match('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
318            return true;
319        }
320
321        // If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
322        if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
323            foreach ($date_matches[1] as $date_match) {
324                $date = new Date($date_match);
325                if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * $MAX_ALIVE_AGE) {
326                    return true;
327                }
328            }
329            // The individual has one or more dated events. All are less than $MAX_ALIVE_AGE years ago.
330            // If one of these is a birth, the individual must be alive.
331            if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
332                return false;
333            }
334        }
335
336        // If we found no conclusive dates then check the dates of close relatives.
337
338        // Check parents (birth and adopted)
339        foreach ($this->childFamilies(Auth::PRIV_HIDE) as $family) {
340            foreach ($family->spouses(Auth::PRIV_HIDE) as $parent) {
341                // Assume parents are no more than 45 years older than their children
342                preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
343                foreach ($date_matches[1] as $date_match) {
344                    $date = new Date($date_match);
345                    if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE + 45)) {
346                        return true;
347                    }
348                }
349            }
350        }
351
352        // Check spouses
353        foreach ($this->spouseFamilies(Auth::PRIV_HIDE) as $family) {
354            preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
355            foreach ($date_matches[1] as $date_match) {
356                $date = new Date($date_match);
357                // Assume marriage occurs after age of 10
358                if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE - 10)) {
359                    return true;
360                }
361            }
362            // Check spouse dates
363            $spouse = $family->spouse($this, Auth::PRIV_HIDE);
364            if ($spouse) {
365                preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
366                foreach ($date_matches[1] as $date_match) {
367                    $date = new Date($date_match);
368                    // Assume max age difference between spouses of 40 years
369                    if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE + 40)) {
370                        return true;
371                    }
372                }
373            }
374            // Check child dates
375            foreach ($family->children(Auth::PRIV_HIDE) as $child) {
376                preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
377                // Assume children born after age of 15
378                foreach ($date_matches[1] as $date_match) {
379                    $date = new Date($date_match);
380                    if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE - 15)) {
381                        return true;
382                    }
383                }
384                // Check grandchildren
385                foreach ($child->spouseFamilies(Auth::PRIV_HIDE) as $child_family) {
386                    foreach ($child_family->children(Auth::PRIV_HIDE) as $grandchild) {
387                        preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
388                        // Assume grandchildren born after age of 30
389                        foreach ($date_matches[1] as $date_match) {
390                            $date = new Date($date_match);
391                            if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE - 30)) {
392                                return true;
393                            }
394                        }
395                    }
396                }
397            }
398        }
399
400        return false;
401    }
402
403    /**
404     * Find the highlighted media object for an individual
405     *
406     * @return MediaFile|null
407     */
408    public function findHighlightedMediaFile(): ?MediaFile
409    {
410        $fact = $this->facts(['OBJE'])
411            ->first(static function (Fact $fact): bool {
412                $media = $fact->target();
413
414                return $media instanceof Media && $media->firstImageFile() instanceof MediaFile;
415            });
416
417        if ($fact instanceof Fact && $fact->target() instanceof Media) {
418            return $fact->target()->firstImageFile();
419        }
420
421        return null;
422    }
423
424    /**
425     * Display the prefered image for this individual.
426     * Use an icon if no image is available.
427     *
428     * @param int      $width      Pixels
429     * @param int      $height     Pixels
430     * @param string   $fit        "crop" or "contain"
431     * @param string[] $attributes Additional HTML attributes
432     *
433     * @return string
434     */
435    public function displayImage(int $width, int $height, string $fit, array $attributes): string
436    {
437        $media_file = $this->findHighlightedMediaFile();
438
439        if ($media_file !== null) {
440            return $media_file->displayImage($width, $height, $fit, $attributes);
441        }
442
443        if ($this->tree->getPreference('USE_SILHOUETTE')) {
444            return '<i class="icon-silhouette-' . $this->sex() . '"></i>';
445        }
446
447        return '';
448    }
449
450    /**
451     * Get the date of birth
452     *
453     * @return Date
454     */
455    public function getBirthDate(): Date
456    {
457        foreach ($this->getAllBirthDates() as $date) {
458            if ($date->isOK()) {
459                return $date;
460            }
461        }
462
463        return new Date('');
464    }
465
466    /**
467     * Get the place of birth
468     *
469     * @return Place
470     */
471    public function getBirthPlace(): Place
472    {
473        foreach ($this->getAllBirthPlaces() as $place) {
474            return $place;
475        }
476
477        return new Place('', $this->tree);
478    }
479
480    /**
481     * Get the year of birth
482     *
483     * @return string the year of birth
484     */
485    public function getBirthYear(): string
486    {
487        return $this->getBirthDate()->minimumDate()->format('%Y');
488    }
489
490    /**
491     * Get the date of death
492     *
493     * @return Date
494     */
495    public function getDeathDate(): Date
496    {
497        foreach ($this->getAllDeathDates() as $date) {
498            if ($date->isOK()) {
499                return $date;
500            }
501        }
502
503        return new Date('');
504    }
505
506    /**
507     * Get the place of death
508     *
509     * @return Place
510     */
511    public function getDeathPlace(): Place
512    {
513        foreach ($this->getAllDeathPlaces() as $place) {
514            return $place;
515        }
516
517        return new Place('', $this->tree);
518    }
519
520    /**
521     * get the death year
522     *
523     * @return string the year of death
524     */
525    public function getDeathYear(): string
526    {
527        return $this->getDeathDate()->minimumDate()->format('%Y');
528    }
529
530    /**
531     * Get the range of years in which a individual lived. e.g. “1870–”, “1870–1920”, “–1920”.
532     * Provide the place and full date using a tooltip.
533     * For consistent layout in charts, etc., show just a “–” when no dates are known.
534     * Note that this is a (non-breaking) en-dash, and not a hyphen.
535     *
536     * @return string
537     */
538    public function lifespan(): string
539    {
540        // Just the first part of the place name
541        $birth_place = strip_tags($this->getBirthPlace()->shortName());
542        $death_place = strip_tags($this->getDeathPlace()->shortName());
543        // Remove markup from dates
544        $birth_date = strip_tags($this->getBirthDate()->display());
545        $death_date = strip_tags($this->getDeathDate()->display());
546
547        /* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */
548        return I18N::translate(
549            '%1$s–%2$s',
550            '<span title="' . $birth_place . ' ' . $birth_date . '">' . $this->getBirthYear() . '</span>',
551            '<span title="' . $death_place . ' ' . $death_date . '">' . $this->getDeathYear() . '</span>'
552        );
553    }
554
555    /**
556     * Get all the birth dates - for the individual lists.
557     *
558     * @return Date[]
559     */
560    public function getAllBirthDates(): array
561    {
562        foreach (Gedcom::BIRTH_EVENTS as $event) {
563            $dates = $this->getAllEventDates([$event]);
564
565            if ($dates !== []) {
566                return $dates;
567            }
568        }
569
570        return [];
571    }
572
573    /**
574     * Gat all the birth places - for the individual lists.
575     *
576     * @return Place[]
577     */
578    public function getAllBirthPlaces(): array
579    {
580        foreach (Gedcom::BIRTH_EVENTS as $event) {
581            $places = $this->getAllEventPlaces([$event]);
582
583            if ($places !== []) {
584                return $places;
585            }
586        }
587
588        return [];
589    }
590
591    /**
592     * Get all the death dates - for the individual lists.
593     *
594     * @return Date[]
595     */
596    public function getAllDeathDates(): array
597    {
598        foreach (Gedcom::DEATH_EVENTS as $event) {
599            $dates = $this->getAllEventDates([$event]);
600
601            if ($dates !== []) {
602                return $dates;
603            }
604        }
605
606        return [];
607    }
608
609    /**
610     * Get all the death places - for the individual lists.
611     *
612     * @return Place[]
613     */
614    public function getAllDeathPlaces(): array
615    {
616        foreach (Gedcom::DEATH_EVENTS as $event) {
617            $places = $this->getAllEventPlaces([$event]);
618
619            if ($places !== []) {
620                return $places;
621            }
622        }
623
624        return [];
625    }
626
627    /**
628     * Generate an estimate for the date of birth, based on dates of parents/children/spouses
629     *
630     * @return Date
631     */
632    public function getEstimatedBirthDate(): Date
633    {
634        if ($this->estimated_birth_date === null) {
635            foreach ($this->getAllBirthDates() as $date) {
636                if ($date->isOK()) {
637                    $this->estimated_birth_date = $date;
638                    break;
639                }
640            }
641            if ($this->estimated_birth_date === null) {
642                $min = [];
643                $max = [];
644                $tmp = $this->getDeathDate();
645                if ($tmp->isOK()) {
646                    $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
647                    $max[] = $tmp->maximumJulianDay();
648                }
649                foreach ($this->childFamilies() as $family) {
650                    $tmp = $family->getMarriageDate();
651                    if ($tmp->isOK()) {
652                        $min[] = $tmp->maximumJulianDay() - 365 * 1;
653                        $max[] = $tmp->minimumJulianDay() + 365 * 30;
654                    }
655                    $husband = $family->husband();
656                    if ($husband instanceof self) {
657                        $tmp = $husband->getBirthDate();
658                        if ($tmp->isOK()) {
659                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
660                            $max[] = $tmp->minimumJulianDay() + 365 * 65;
661                        }
662                    }
663                    $wife = $family->wife();
664                    if ($wife instanceof self) {
665                        $tmp = $wife->getBirthDate();
666                        if ($tmp->isOK()) {
667                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
668                            $max[] = $tmp->minimumJulianDay() + 365 * 45;
669                        }
670                    }
671                    foreach ($family->children() as $child) {
672                        $tmp = $child->getBirthDate();
673                        if ($tmp->isOK()) {
674                            $min[] = $tmp->maximumJulianDay() - 365 * 30;
675                            $max[] = $tmp->minimumJulianDay() + 365 * 30;
676                        }
677                    }
678                }
679                foreach ($this->spouseFamilies() as $family) {
680                    $tmp = $family->getMarriageDate();
681                    if ($tmp->isOK()) {
682                        $min[] = $tmp->maximumJulianDay() - 365 * 45;
683                        $max[] = $tmp->minimumJulianDay() - 365 * 15;
684                    }
685                    $spouse = $family->spouse($this);
686                    if ($spouse) {
687                        $tmp = $spouse->getBirthDate();
688                        if ($tmp->isOK()) {
689                            $min[] = $tmp->maximumJulianDay() - 365 * 25;
690                            $max[] = $tmp->minimumJulianDay() + 365 * 25;
691                        }
692                    }
693                    foreach ($family->children() as $child) {
694                        $tmp = $child->getBirthDate();
695                        if ($tmp->isOK()) {
696                            $min[] = $tmp->maximumJulianDay() - 365 * ($this->sex() === 'F' ? 45 : 65);
697                            $max[] = $tmp->minimumJulianDay() - 365 * 15;
698                        }
699                    }
700                }
701                if ($min && $max) {
702                    $gregorian_calendar = new GregorianCalendar();
703
704                    [$year] = $gregorian_calendar->jdToYmd(intdiv(max($min) + min($max), 2));
705                    $this->estimated_birth_date = new Date('EST ' . $year);
706                } else {
707                    $this->estimated_birth_date = new Date(''); // always return a date object
708                }
709            }
710        }
711
712        return $this->estimated_birth_date;
713    }
714
715    /**
716     * Generate an estimated date of death.
717     *
718     * @return Date
719     */
720    public function getEstimatedDeathDate(): Date
721    {
722        if ($this->estimated_death_date === null) {
723            foreach ($this->getAllDeathDates() as $date) {
724                if ($date->isOK()) {
725                    $this->estimated_death_date = $date;
726                    break;
727                }
728            }
729            if ($this->estimated_death_date === null) {
730                if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
731                    $max_alive_age              = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
732                    $this->estimated_death_date = $this->getEstimatedBirthDate()->addYears($max_alive_age, 'BEF');
733                } else {
734                    $this->estimated_death_date = new Date(''); // always return a date object
735                }
736            }
737        }
738
739        return $this->estimated_death_date;
740    }
741
742    /**
743     * Get the sex - M F or U
744     * Use the un-privatised gedcom record. We call this function during
745     * the privatize-gedcom function, and we are allowed to know this.
746     *
747     * @return string
748     */
749    public function sex(): string
750    {
751        if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
752            return $match[1];
753        }
754
755        return 'U';
756    }
757
758    /**
759     * Generate the CSS class to be used for drawing this individual
760     *
761     * @return string
762     */
763    public function getBoxStyle(): string
764    {
765        $tmp = [
766            'M' => '',
767            'F' => 'F',
768            'U' => 'NN',
769        ];
770
771        return 'person_box' . $tmp[$this->sex()];
772    }
773
774    /**
775     * Get a list of this individual’s spouse families
776     *
777     * @param int|null $access_level
778     *
779     * @return Collection<Family>
780     */
781    public function spouseFamilies($access_level = null): Collection
782    {
783        $access_level = $access_level ?? Auth::accessLevel($this->tree);
784
785        if ($this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS') === '1') {
786            $access_level = Auth::PRIV_HIDE;
787        }
788
789        $families = new Collection();
790        foreach ($this->facts(['FAMS'], false, $access_level) as $fact) {
791            $family = $fact->target();
792            if ($family instanceof Family && $family->canShow($access_level)) {
793                $families->push($family);
794            }
795        }
796
797        return new Collection($families);
798    }
799
800    /**
801     * Get the current spouse of this individual.
802     *
803     * Where an individual has multiple spouses, assume they are stored
804     * in chronological order, and take the last one found.
805     *
806     * @return Individual|null
807     */
808    public function getCurrentSpouse(): ?Individual
809    {
810        $family = $this->spouseFamilies()->last();
811
812        if ($family instanceof Family) {
813            return $family->spouse($this);
814        }
815
816        return null;
817    }
818
819    /**
820     * Count the children belonging to this individual.
821     *
822     * @return int
823     */
824    public function numberOfChildren(): int
825    {
826        if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->gedcom(), $match)) {
827            return (int) $match[1];
828        }
829
830        $children = [];
831        foreach ($this->spouseFamilies() as $fam) {
832            foreach ($fam->children() as $child) {
833                $children[$child->xref()] = true;
834            }
835        }
836
837        return count($children);
838    }
839
840    /**
841     * Get a list of this individual’s child families (i.e. their parents).
842     *
843     * @param int|null $access_level
844     *
845     * @return Collection<Family>
846     */
847    public function childFamilies($access_level = null): Collection
848    {
849        $access_level = $access_level ?? Auth::accessLevel($this->tree);
850
851        if ($this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS') === '1') {
852            $access_level = Auth::PRIV_HIDE;
853        }
854
855        $families = new Collection();
856
857        foreach ($this->facts(['FAMC'], false, $access_level) as $fact) {
858            $family = $fact->target();
859            if ($family instanceof Family && $family->canShow($access_level)) {
860                $families->push($family);
861            }
862        }
863
864        return $families;
865    }
866
867    /**
868     * Get a list of step-parent families.
869     *
870     * @return Collection<Family>
871     */
872    public function childStepFamilies(): Collection
873    {
874        $step_families = new Collection();
875        $families      = $this->childFamilies();
876        foreach ($families as $family) {
877            foreach ($family->spouses() as $parent) {
878                foreach ($parent->spouseFamilies() as $step_family) {
879                    if (!$families->containsStrict($step_family)) {
880                        $step_families->add($step_family);
881                    }
882                }
883            }
884        }
885
886        return $step_families->uniqueStrict(static function (Family $family): string {
887            return $family->xref();
888        });
889    }
890
891    /**
892     * Get a list of step-parent families.
893     *
894     * @return Collection<Family>
895     */
896    public function spouseStepFamilies(): Collection
897    {
898        $step_families = [];
899        $families      = $this->spouseFamilies();
900
901        foreach ($families as $family) {
902            $spouse = $family->spouse($this);
903
904            if ($spouse instanceof self) {
905                foreach ($family->spouse($this)->spouseFamilies() as $step_family) {
906                    if (!$families->containsStrict($step_family)) {
907                        $step_families[] = $step_family;
908                    }
909                }
910            }
911        }
912
913        return new Collection($step_families);
914    }
915
916    /**
917     * A label for a parental family group
918     *
919     * @param Family $family
920     *
921     * @return string
922     */
923    public function getChildFamilyLabel(Family $family): string
924    {
925        preg_match('/\n1 FAMC @' . $family->xref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->gedcom(), $match);
926
927        $values = [
928            'birth'   => I18N::translate('Family with parents'),
929            'adopted' => I18N::translate('Family with adoptive parents'),
930            'foster'  => I18N::translate('Family with foster parents'),
931            'sealing' => /* I18N: “sealing” is a Mormon ceremony. */
932                I18N::translate('Family with sealing parents'),
933            'rada'    => /* I18N: “rada” is an Arabic word, pronounced “ra DAH”. It is child-to-parent pedigree, established by wet-nursing. */
934                I18N::translate('Family with rada parents'),
935        ];
936
937        return $values[$match[1] ?? 'birth'] ?? $values['birth'];
938    }
939
940    /**
941     * Create a label for a step family
942     *
943     * @param Family $step_family
944     *
945     * @return string
946     */
947    public function getStepFamilyLabel(Family $step_family): string
948    {
949        foreach ($this->childFamilies() as $family) {
950            if ($family !== $step_family) {
951                // Must be a step-family
952                foreach ($family->spouses() as $parent) {
953                    foreach ($step_family->spouses() as $step_parent) {
954                        if ($parent === $step_parent) {
955                            // One common parent - must be a step family
956                            if ($parent->sex() === 'M') {
957                                // Father’s family with someone else
958                                if ($step_family->spouse($step_parent)) {
959                                    /* I18N: A step-family. %s is an individual’s name */
960                                    return I18N::translate('Father’s family with %s', $step_family->spouse($step_parent)->fullName());
961                                }
962
963                                /* I18N: A step-family. */
964                                return I18N::translate('Father’s family with an unknown individual');
965                            }
966
967                            // Mother’s family with someone else
968                            if ($step_family->spouse($step_parent)) {
969                                /* I18N: A step-family. %s is an individual’s name */
970                                return I18N::translate('Mother’s family with %s', $step_family->spouse($step_parent)->fullName());
971                            }
972
973                            /* I18N: A step-family. */
974                            return I18N::translate('Mother’s family with an unknown individual');
975                        }
976                    }
977                }
978            }
979        }
980
981        // Perahps same parents - but a different family record?
982        return I18N::translate('Family with parents');
983    }
984
985    /**
986     * Get the description for the family.
987     *
988     * For example, "XXX's family with new wife".
989     *
990     * @param Family $family
991     *
992     * @return string
993     */
994    public function getSpouseFamilyLabel(Family $family): string
995    {
996        $spouse = $family->spouse($this);
997        if ($spouse) {
998            /* I18N: %s is the spouse name */
999            return I18N::translate('Family with %s', $spouse->fullName());
1000        }
1001
1002        return $family->fullName();
1003    }
1004
1005    /**
1006     * If this object has no name, what do we call it?
1007     *
1008     * @return string
1009     */
1010    public function getFallBackName(): string
1011    {
1012        return '@P.N. /@N.N./';
1013    }
1014
1015    /**
1016     * Convert a name record into ‘full’ and ‘sort’ versions.
1017     * Use the NAME field to generate the ‘full’ version, as the
1018     * gedcom spec says that this is the individual’s name, as they would write it.
1019     * Use the SURN field to generate the sortable names. Note that this field
1020     * may also be used for the ‘true’ surname, perhaps spelt differently to that
1021     * recorded in the NAME field. e.g.
1022     *
1023     * 1 NAME Robert /de Gliderow/
1024     * 2 GIVN Robert
1025     * 2 SPFX de
1026     * 2 SURN CLITHEROW
1027     * 2 NICK The Bald
1028     *
1029     * full=>'Robert de Gliderow 'The Bald''
1030     * sort=>'CLITHEROW, ROBERT'
1031     *
1032     * Handle multiple surnames, either as;
1033     *
1034     * 1 NAME Carlos /Vasquez/ y /Sante/
1035     * or
1036     * 1 NAME Carlos /Vasquez y Sante/
1037     * 2 GIVN Carlos
1038     * 2 SURN Vasquez,Sante
1039     *
1040     * @param string $type
1041     * @param string $full
1042     * @param string $gedcom
1043     *
1044     * @return void
1045     */
1046    protected function addName(string $type, string $full, string $gedcom): void
1047    {
1048        ////////////////////////////////////////////////////////////////////////////
1049        // Extract the structured name parts - use for "sortable" names and indexes
1050        ////////////////////////////////////////////////////////////////////////////
1051
1052        $sublevel = 1 + (int) substr($gedcom, 0, 1);
1053        $GIVN     = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1054        $SURN     = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1055
1056        // SURN is an comma-separated list of surnames...
1057        if ($SURN !== '') {
1058            $SURNS = preg_split('/ *, */', $SURN);
1059        } else {
1060            $SURNS = [];
1061        }
1062
1063        // ...so is GIVN - but nobody uses it like that
1064        $GIVN = str_replace('/ *, */', ' ', $GIVN);
1065
1066        ////////////////////////////////////////////////////////////////////////////
1067        // Extract the components from NAME - use for the "full" names
1068        ////////////////////////////////////////////////////////////////////////////
1069
1070        // Fix bad slashes. e.g. 'John/Smith' => 'John/Smith/'
1071        if (substr_count($full, '/') % 2 === 1) {
1072            $full .= '/';
1073        }
1074
1075        // GEDCOM uses "//" to indicate an unknown surname
1076        $full = preg_replace('/\/\//', '/@N.N./', $full);
1077
1078        // Extract the surname.
1079        // Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1080        if (preg_match('/\/.*\//', $full, $match)) {
1081            $surname = str_replace('/', '', $match[0]);
1082        } else {
1083            $surname = '';
1084        }
1085
1086        // If we don’t have a SURN record, extract it from the NAME
1087        if (!$SURNS) {
1088            if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1089                // There can be many surnames, each wrapped with '/'
1090                $SURNS = $matches[1];
1091                foreach ($SURNS as $n => $SURN) {
1092                    // Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1093                    $SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1094                }
1095            } else {
1096                // It is valid not to have a surname at all
1097                $SURNS = [''];
1098            }
1099        }
1100
1101        // If we don’t have a GIVN record, extract it from the NAME
1102        if (!$GIVN) {
1103            $GIVN = preg_replace(
1104                [
1105                    '/ ?\/.*\/ ?/',
1106                    // remove surname
1107                    '/ ?".+"/',
1108                    // remove nickname
1109                    '/ {2,}/',
1110                    // multiple spaces, caused by the above
1111                    '/^ | $/',
1112                    // leading/trailing spaces, caused by the above
1113                ],
1114                [
1115                    ' ',
1116                    ' ',
1117                    ' ',
1118                    '',
1119                ],
1120                $full
1121            );
1122        }
1123
1124        // Add placeholder for unknown given name
1125        if (!$GIVN) {
1126            $GIVN = self::PRAENOMEN_NESCIO;
1127            $pos  = (int) strpos($full, '/');
1128            $full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1129        }
1130
1131        // Remove slashes - they don’t get displayed
1132        // $fullNN keeps the @N.N. placeholders, for the database
1133        // $full is for display on-screen
1134        $fullNN = str_replace('/', '', $full);
1135
1136        // Insert placeholders for any missing/unknown names
1137        $full = str_replace(self::NOMEN_NESCIO, I18N::translateContext('Unknown surname', '…'), $full);
1138        $full = str_replace(self::PRAENOMEN_NESCIO, I18N::translateContext('Unknown given name', '…'), $full);
1139        // Format for display
1140        $full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', e($full)) . '</span>';
1141        // Localise quotation marks around the nickname
1142        $full = preg_replace_callback('/&quot;([^&]*)&quot;/', static function (array $matches): string {
1143            return '<q class="wt-nickname">' . $matches[1] . '</q>';
1144        }, $full);
1145
1146        // A suffix of “*” indicates a preferred name
1147        $full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1148
1149        // Remove prefered-name indicater - they don’t go in the database
1150        $GIVN   = str_replace('*', '', $GIVN);
1151        $fullNN = str_replace('*', '', $fullNN);
1152
1153        foreach ($SURNS as $SURN) {
1154            // Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1155            if (strcasecmp(substr($SURN, 0, 2), 'Mc') === 0) {
1156                $SURN = substr_replace($SURN, 'Mac', 0, 2);
1157            } elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') === 0) {
1158                $SURN = substr_replace($SURN, 'Mac', 0, 4);
1159            }
1160
1161            $this->getAllNames[] = [
1162                'type'    => $type,
1163                'sort'    => $SURN . ',' . $GIVN,
1164                'full'    => $full,
1165                // This is used for display
1166                'fullNN'  => $fullNN,
1167                // This goes into the database
1168                'surname' => $surname,
1169                // This goes into the database
1170                'givn'    => $GIVN,
1171                // This goes into the database
1172                'surn'    => $SURN,
1173                // This goes into the database
1174            ];
1175        }
1176    }
1177
1178    /**
1179     * Extract names from the GEDCOM record.
1180     *
1181     * @return void
1182     */
1183    public function extractNames(): void
1184    {
1185        $access_level = $this->canShowName() ? Auth::PRIV_HIDE : Auth::accessLevel($this->tree);
1186
1187        $this->extractNamesFromFacts(
1188            1,
1189            'NAME',
1190            $this->facts(['NAME'], false, $access_level)
1191        );
1192    }
1193
1194    /**
1195     * Extra info to display when displaying this record in a list of
1196     * selection items or favorites.
1197     *
1198     * @return string
1199     */
1200    public function formatListDetails(): string
1201    {
1202        return
1203            $this->formatFirstMajorFact(Gedcom::BIRTH_EVENTS, 1) .
1204            $this->formatFirstMajorFact(Gedcom::DEATH_EVENTS, 1);
1205    }
1206
1207    /**
1208     * Lock the database row, to prevent concurrent edits.
1209     */
1210    public function lock(): void
1211    {
1212        DB::table('individuals')
1213            ->where('i_file', '=', $this->tree->id())
1214            ->where('i_id', '=', $this->xref())
1215            ->lockForUpdate()
1216            ->get();
1217    }
1218}
1219