xref: /webtrees/app/Individual.php (revision 1d1f373cc23093682b1736881f66a527f62ccc46)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use Closure;
23use Exception;
24use Fisharebest\ExtCalendar\GregorianCalendar;
25use Fisharebest\Webtrees\GedcomCode\GedcomCodePedi;
26use Illuminate\Database\Capsule\Manager as DB;
27use Illuminate\Support\Collection;
28use stdClass;
29
30/**
31 * A GEDCOM individual (INDI) object.
32 */
33class Individual extends GedcomRecord
34{
35    public const RECORD_TYPE = 'INDI';
36
37    protected const ROUTE_NAME = 'individual';
38
39    /** @var int used in some lists to keep track of this individual’s generation in that list */
40    public $generation;
41
42    /** @var Date The estimated date of birth */
43    private $estimated_birth_date;
44
45    /** @var Date The estimated date of death */
46    private $estimated_death_date;
47
48    /**
49     * A closure which will create a record from a database row.
50     *
51     * @return Closure
52     */
53    public static function rowMapper(): Closure
54    {
55        return static function (stdClass $row): Individual {
56            $individual = Individual::getInstance($row->i_id, Tree::findById((int) $row->i_file), $row->i_gedcom);
57
58            if ($row->n_num ?? null) {
59                $individual = clone $individual;
60                $individual->setPrimaryName($row->n_num);
61
62                return $individual;
63            }
64
65            return $individual;
66        };
67    }
68
69    /**
70     * A closure which will compare individuals by birth date.
71     *
72     * @return Closure
73     */
74    public static function birthDateComparator(): Closure
75    {
76        return static function (Individual $x, Individual $y): int {
77            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
78        };
79    }
80
81    /**
82     * A closure which will compare individuals by death date.
83     *
84     * @return Closure
85     */
86    public static function deathDateComparator(): Closure
87    {
88        return static function (Individual $x, Individual $y): int {
89            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
90        };
91    }
92
93    /**
94     * Get an instance of an individual object. For single records,
95     * we just receive the XREF. For bulk records (such as lists
96     * and search results) we can receive the GEDCOM data as well.
97     *
98     * @param string      $xref
99     * @param Tree        $tree
100     * @param string|null $gedcom
101     *
102     * @throws Exception
103     * @return Individual|null
104     */
105    public static function getInstance(string $xref, Tree $tree, string $gedcom = null): ?self
106    {
107        $record = parent::getInstance($xref, $tree, $gedcom);
108
109        if ($record instanceof self) {
110            return $record;
111        }
112
113        return null;
114    }
115
116    /**
117     * Sometimes, we'll know in advance that we need to load a set of records.
118     * Typically when we load families and their members.
119     *
120     * @param Tree     $tree
121     * @param string[] $xrefs
122     *
123     * @return void
124     */
125    public static function load(Tree $tree, array $xrefs): void
126    {
127        $rows = DB::table('individuals')
128            ->where('i_file', '=', $tree->id())
129            ->whereIn('i_id', array_unique($xrefs))
130            ->select(['i_id AS xref', 'i_gedcom AS gedcom'])
131            ->get();
132
133        foreach ($rows as $row) {
134            self::getInstance($row->xref, $tree, $row->gedcom);
135        }
136    }
137
138    /**
139     * Can the name of this record be shown?
140     *
141     * @param int|null $access_level
142     *
143     * @return bool
144     */
145    public function canShowName(int $access_level = null): bool
146    {
147        if ($access_level === null) {
148            $access_level = Auth::accessLevel($this->tree);
149        }
150
151        return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
152    }
153
154    /**
155     * Can this individual be shown?
156     *
157     * @param int $access_level
158     *
159     * @return bool
160     */
161    protected function canShowByType(int $access_level): bool
162    {
163        // Dead people...
164        if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
165            $keep_alive             = false;
166            $KEEP_ALIVE_YEARS_BIRTH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
167            if ($KEEP_ALIVE_YEARS_BIRTH) {
168                preg_match_all('/\n1 (?:' . implode('|', Gedcom::BIRTH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
169                foreach ($matches as $match) {
170                    $date = new Date($match[1]);
171                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
172                        $keep_alive = true;
173                        break;
174                    }
175                }
176            }
177            $KEEP_ALIVE_YEARS_DEATH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
178            if ($KEEP_ALIVE_YEARS_DEATH) {
179                preg_match_all('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
180                foreach ($matches as $match) {
181                    $date = new Date($match[1]);
182                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
183                        $keep_alive = true;
184                        break;
185                    }
186                }
187            }
188            if (!$keep_alive) {
189                return true;
190            }
191        }
192        // Consider relationship privacy (unless an admin is applying download restrictions)
193        $user_path_length = (int) $this->tree->getUserPreference(Auth::user(), 'RELATIONSHIP_PATH_LENGTH');
194        $gedcomid         = $this->tree->getUserPreference(Auth::user(), 'gedcomid');
195        if ($gedcomid !== '' && $user_path_length > 0) {
196            return self::isRelated($this, $user_path_length);
197        }
198
199        // No restriction found - show living people to members only:
200        return Auth::PRIV_USER >= $access_level;
201    }
202
203    /**
204     * For relationship privacy calculations - is this individual a close relative?
205     *
206     * @param Individual $target
207     * @param int        $distance
208     *
209     * @return bool
210     */
211    private static function isRelated(Individual $target, $distance): bool
212    {
213        static $cache = null;
214
215        $user_individual = self::getInstance($target->tree->getUserPreference(Auth::user(), 'gedcomid'), $target->tree);
216        if ($user_individual) {
217            if (!$cache) {
218                $cache = [
219                    0 => [$user_individual],
220                    1 => [],
221                ];
222                foreach ($user_individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
223                    $family = $fact->target();
224                    if ($family instanceof Family) {
225                        $cache[1][] = $family;
226                    }
227                }
228            }
229        } else {
230            // No individual linked to this account? Cannot use relationship privacy.
231            return true;
232        }
233
234        // Double the distance, as we count the INDI-FAM and FAM-INDI links separately
235        $distance *= 2;
236
237        // Consider each path length in turn
238        for ($n = 0; $n <= $distance; ++$n) {
239            if (array_key_exists($n, $cache)) {
240                // We have already calculated all records with this length
241                if ($n % 2 === 0 && in_array($target, $cache[$n], true)) {
242                    return true;
243                }
244            } else {
245                // Need to calculate these paths
246                $cache[$n] = [];
247                if ($n % 2 === 0) {
248                    // Add FAM->INDI links
249                    foreach ($cache[$n - 1] as $family) {
250                        foreach ($family->facts(['HUSB', 'WIFE', 'CHIL'], false, Auth::PRIV_HIDE) as $fact) {
251                            $individual = $fact->target();
252                            // Don’t backtrack
253                            if ($individual instanceof self && !in_array($individual, $cache[$n - 2], true)) {
254                                $cache[$n][] = $individual;
255                            }
256                        }
257                    }
258                    if (in_array($target, $cache[$n], true)) {
259                        return true;
260                    }
261                } else {
262                    // Add INDI->FAM links
263                    foreach ($cache[$n - 1] as $individual) {
264                        foreach ($individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
265                            $family = $fact->target();
266                            // Don’t backtrack
267                            if ($family instanceof Family && !in_array($family, $cache[$n - 2], true)) {
268                                $cache[$n][] = $family;
269                            }
270                        }
271                    }
272                }
273            }
274        }
275
276        return false;
277    }
278
279    /**
280     * Generate a private version of this record
281     *
282     * @param int $access_level
283     *
284     * @return string
285     */
286    protected function createPrivateGedcomRecord(int $access_level): string
287    {
288        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
289
290        $rec = '0 @' . $this->xref . '@ INDI';
291        if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
292            // Show all the NAME tags, including subtags
293            foreach ($this->facts(['NAME']) as $fact) {
294                $rec .= "\n" . $fact->gedcom();
295            }
296        }
297        // Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
298        preg_match_all('/\n1 (?:FAMC|FAMS) @(' . Gedcom::REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
299        foreach ($matches as $match) {
300            $rela = Family::getInstance($match[1], $this->tree);
301            if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
302                $rec .= $match[0];
303            }
304        }
305        // Don’t privatize sex.
306        if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
307            $rec .= $match[0];
308        }
309
310        return $rec;
311    }
312
313    /**
314     * Fetch data from the database
315     *
316     * @param string $xref
317     * @param int    $tree_id
318     *
319     * @return string|null
320     */
321    protected static function fetchGedcomRecord(string $xref, int $tree_id): ?string
322    {
323        return DB::table('individuals')
324            ->where('i_id', '=', $xref)
325            ->where('i_file', '=', $tree_id)
326            ->value('i_gedcom');
327    }
328
329    /**
330     * Calculate whether this individual is living or dead.
331     * If not known to be dead, then assume living.
332     *
333     * @return bool
334     */
335    public function isDead(): bool
336    {
337        $MAX_ALIVE_AGE = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
338        $today_jd      = Carbon::now()->julianDay();
339
340        // "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
341        if (preg_match('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
342            return true;
343        }
344
345        // If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
346        if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
347            foreach ($date_matches[1] as $date_match) {
348                $date = new Date($date_match);
349                if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * $MAX_ALIVE_AGE) {
350                    return true;
351                }
352            }
353            // The individual has one or more dated events. All are less than $MAX_ALIVE_AGE years ago.
354            // If one of these is a birth, the individual must be alive.
355            if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
356                return false;
357            }
358        }
359
360        // If we found no conclusive dates then check the dates of close relatives.
361
362        // Check parents (birth and adopted)
363        foreach ($this->childFamilies(Auth::PRIV_HIDE) as $family) {
364            foreach ($family->spouses(Auth::PRIV_HIDE) as $parent) {
365                // Assume parents are no more than 45 years older than their children
366                preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
367                foreach ($date_matches[1] as $date_match) {
368                    $date = new Date($date_match);
369                    if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE + 45)) {
370                        return true;
371                    }
372                }
373            }
374        }
375
376        // Check spouses
377        foreach ($this->spouseFamilies(Auth::PRIV_HIDE) as $family) {
378            preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
379            foreach ($date_matches[1] as $date_match) {
380                $date = new Date($date_match);
381                // Assume marriage occurs after age of 10
382                if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE - 10)) {
383                    return true;
384                }
385            }
386            // Check spouse dates
387            $spouse = $family->spouse($this, Auth::PRIV_HIDE);
388            if ($spouse) {
389                preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
390                foreach ($date_matches[1] as $date_match) {
391                    $date = new Date($date_match);
392                    // Assume max age difference between spouses of 40 years
393                    if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE + 40)) {
394                        return true;
395                    }
396                }
397            }
398            // Check child dates
399            foreach ($family->children(Auth::PRIV_HIDE) as $child) {
400                preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
401                // Assume children born after age of 15
402                foreach ($date_matches[1] as $date_match) {
403                    $date = new Date($date_match);
404                    if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE - 15)) {
405                        return true;
406                    }
407                }
408                // Check grandchildren
409                foreach ($child->spouseFamilies(Auth::PRIV_HIDE) as $child_family) {
410                    foreach ($child_family->children(Auth::PRIV_HIDE) as $grandchild) {
411                        preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
412                        // Assume grandchildren born after age of 30
413                        foreach ($date_matches[1] as $date_match) {
414                            $date = new Date($date_match);
415                            if ($date->isOK() && $date->maximumJulianDay() <= $today_jd - 365 * ($MAX_ALIVE_AGE - 30)) {
416                                return true;
417                            }
418                        }
419                    }
420                }
421            }
422        }
423
424        return false;
425    }
426
427    /**
428     * Find the highlighted media object for an individual
429     *
430     * @return MediaFile|null
431     */
432    public function findHighlightedMediaFile(): ?MediaFile
433    {
434        foreach ($this->facts(['OBJE']) as $fact) {
435            $media = $fact->target();
436            if ($media instanceof Media) {
437                foreach ($media->mediaFiles() as $media_file) {
438                    if ($media_file->isImage() && !$media_file->isExternal()) {
439                        return $media_file;
440                    }
441                }
442            }
443        }
444
445        return null;
446    }
447
448    /**
449     * Display the prefered image for this individual.
450     * Use an icon if no image is available.
451     *
452     * @param int      $width      Pixels
453     * @param int      $height     Pixels
454     * @param string   $fit        "crop" or "contain"
455     * @param string[] $attributes Additional HTML attributes
456     *
457     * @return string
458     */
459    public function displayImage($width, $height, $fit, $attributes): string
460    {
461        $media_file = $this->findHighlightedMediaFile();
462
463        if ($media_file !== null) {
464            return $media_file->displayImage($width, $height, $fit, $attributes);
465        }
466
467        if ($this->tree->getPreference('USE_SILHOUETTE')) {
468            return '<i class="icon-silhouette-' . $this->sex() . '"></i>';
469        }
470
471        return '';
472    }
473
474    /**
475     * Get the date of birth
476     *
477     * @return Date
478     */
479    public function getBirthDate(): Date
480    {
481        foreach ($this->getAllBirthDates() as $date) {
482            if ($date->isOK()) {
483                return $date;
484            }
485        }
486
487        return new Date('');
488    }
489
490    /**
491     * Get the place of birth
492     *
493     * @return Place
494     */
495    public function getBirthPlace(): Place
496    {
497        foreach ($this->getAllBirthPlaces() as $place) {
498            return $place;
499        }
500
501        return new Place('', $this->tree);
502    }
503
504    /**
505     * Get the year of birth
506     *
507     * @return string the year of birth
508     */
509    public function getBirthYear(): string
510    {
511        return $this->getBirthDate()->minimumDate()->format('%Y');
512    }
513
514    /**
515     * Get the date of death
516     *
517     * @return Date
518     */
519    public function getDeathDate(): Date
520    {
521        foreach ($this->getAllDeathDates() as $date) {
522            if ($date->isOK()) {
523                return $date;
524            }
525        }
526
527        return new Date('');
528    }
529
530    /**
531     * Get the place of death
532     *
533     * @return Place
534     */
535    public function getDeathPlace(): Place
536    {
537        foreach ($this->getAllDeathPlaces() as $place) {
538            return $place;
539        }
540
541        return new Place('', $this->tree);
542    }
543
544    /**
545     * get the death year
546     *
547     * @return string the year of death
548     */
549    public function getDeathYear(): string
550    {
551        return $this->getDeathDate()->minimumDate()->format('%Y');
552    }
553
554    /**
555     * Get the range of years in which a individual lived. e.g. “1870–”, “1870–1920”, “–1920”.
556     * Provide the place and full date using a tooltip.
557     * For consistent layout in charts, etc., show just a “–” when no dates are known.
558     * Note that this is a (non-breaking) en-dash, and not a hyphen.
559     *
560     * @return string
561     */
562    public function getLifeSpan(): string
563    {
564        // Just the first part of the place name
565        $birth_place = strip_tags($this->getBirthPlace()->shortName());
566        $death_place = strip_tags($this->getDeathPlace()->shortName());
567        // Remove markup from dates
568        $birth_date = strip_tags($this->getBirthDate()->display());
569        $death_date = strip_tags($this->getDeathDate()->display());
570
571        /* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */
572        return
573            I18N::translate(
574            '%1$s–%2$s',
575            '<span title="' . $birth_place . ' ' . $birth_date . '">' . $this->getBirthYear() . '</span>',
576            '<span title="' . $death_place . ' ' . $death_date . '">' . $this->getDeathYear() . '</span>'
577        );
578    }
579
580    /**
581     * Get all the birth dates - for the individual lists.
582     *
583     * @return Date[]
584     */
585    public function getAllBirthDates(): array
586    {
587        foreach (Gedcom::BIRTH_EVENTS as $event) {
588            $tmp = $this->getAllEventDates([$event]);
589            if ($tmp) {
590                return $tmp;
591            }
592        }
593
594        return [];
595    }
596
597    /**
598     * Gat all the birth places - for the individual lists.
599     *
600     * @return Place[]
601     */
602    public function getAllBirthPlaces(): array
603    {
604        foreach (Gedcom::BIRTH_EVENTS as $event) {
605            $places = $this->getAllEventPlaces([$event]);
606            if ($places !== []) {
607                return $places;
608            }
609        }
610
611        return [];
612    }
613
614    /**
615     * Get all the death dates - for the individual lists.
616     *
617     * @return Date[]
618     */
619    public function getAllDeathDates(): array
620    {
621        foreach (Gedcom::DEATH_EVENTS as $event) {
622            $tmp = $this->getAllEventDates([$event]);
623            if ($tmp) {
624                return $tmp;
625            }
626        }
627
628        return [];
629    }
630
631    /**
632     * Get all the death places - for the individual lists.
633     *
634     * @return Place[]
635     */
636    public function getAllDeathPlaces(): array
637    {
638        foreach (Gedcom::DEATH_EVENTS as $event) {
639            $places = $this->getAllEventPlaces([$event]);
640            if ($places !== []) {
641                return $places;
642            }
643        }
644
645        return [];
646    }
647
648    /**
649     * Generate an estimate for the date of birth, based on dates of parents/children/spouses
650     *
651     * @return Date
652     */
653    public function getEstimatedBirthDate(): Date
654    {
655        if ($this->estimated_birth_date === null) {
656            foreach ($this->getAllBirthDates() as $date) {
657                if ($date->isOK()) {
658                    $this->estimated_birth_date = $date;
659                    break;
660                }
661            }
662            if ($this->estimated_birth_date === null) {
663                $min = [];
664                $max = [];
665                $tmp = $this->getDeathDate();
666                if ($tmp->isOK()) {
667                    $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
668                    $max[] = $tmp->maximumJulianDay();
669                }
670                foreach ($this->childFamilies() as $family) {
671                    $tmp = $family->getMarriageDate();
672                    if ($tmp->isOK()) {
673                        $min[] = $tmp->maximumJulianDay() - 365 * 1;
674                        $max[] = $tmp->minimumJulianDay() + 365 * 30;
675                    }
676                    $husband = $family->husband();
677                    if ($husband instanceof self) {
678                        $tmp = $husband->getBirthDate();
679                        if ($tmp->isOK()) {
680                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
681                            $max[] = $tmp->minimumJulianDay() + 365 * 65;
682                        }
683                    }
684                    $wife = $family->wife();
685                    if ($wife instanceof self) {
686                        $tmp = $wife->getBirthDate();
687                        if ($tmp->isOK()) {
688                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
689                            $max[] = $tmp->minimumJulianDay() + 365 * 45;
690                        }
691                    }
692                    foreach ($family->children() as $child) {
693                        $tmp = $child->getBirthDate();
694                        if ($tmp->isOK()) {
695                            $min[] = $tmp->maximumJulianDay() - 365 * 30;
696                            $max[] = $tmp->minimumJulianDay() + 365 * 30;
697                        }
698                    }
699                }
700                foreach ($this->spouseFamilies() as $family) {
701                    $tmp = $family->getMarriageDate();
702                    if ($tmp->isOK()) {
703                        $min[] = $tmp->maximumJulianDay() - 365 * 45;
704                        $max[] = $tmp->minimumJulianDay() - 365 * 15;
705                    }
706                    $spouse = $family->spouse($this);
707                    if ($spouse) {
708                        $tmp = $spouse->getBirthDate();
709                        if ($tmp->isOK()) {
710                            $min[] = $tmp->maximumJulianDay() - 365 * 25;
711                            $max[] = $tmp->minimumJulianDay() + 365 * 25;
712                        }
713                    }
714                    foreach ($family->children() as $child) {
715                        $tmp = $child->getBirthDate();
716                        if ($tmp->isOK()) {
717                            $min[] = $tmp->maximumJulianDay() - 365 * ($this->sex() === 'F' ? 45 : 65);
718                            $max[] = $tmp->minimumJulianDay() - 365 * 15;
719                        }
720                    }
721                }
722                if ($min && $max) {
723                    $gregorian_calendar = new GregorianCalendar();
724
725                    [$year] = $gregorian_calendar->jdToYmd(intdiv(max($min) + min($max), 2));
726                    $this->estimated_birth_date = new Date('EST ' . $year);
727                } else {
728                    $this->estimated_birth_date = new Date(''); // always return a date object
729                }
730            }
731        }
732
733        return $this->estimated_birth_date;
734    }
735
736    /**
737     * Generate an estimated date of death.
738     *
739     * @return Date
740     */
741    public function getEstimatedDeathDate(): Date
742    {
743        if ($this->estimated_death_date === null) {
744            foreach ($this->getAllDeathDates() as $date) {
745                if ($date->isOK()) {
746                    $this->estimated_death_date = $date;
747                    break;
748                }
749            }
750            if ($this->estimated_death_date === null) {
751                if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
752                    $max_alive_age              = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
753                    $this->estimated_death_date = $this->getEstimatedBirthDate()->addYears($max_alive_age, 'BEF');
754                } else {
755                    $this->estimated_death_date = new Date(''); // always return a date object
756                }
757            }
758        }
759
760        return $this->estimated_death_date;
761    }
762
763    /**
764     * Get the sex - M F or U
765     * Use the un-privatised gedcom record. We call this function during
766     * the privatize-gedcom function, and we are allowed to know this.
767     *
768     * @return string
769     */
770    public function sex(): string
771    {
772        if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
773            return $match[1];
774        }
775
776        return 'U';
777    }
778
779    /**
780     * Generate the CSS class to be used for drawing this individual
781     *
782     * @return string
783     */
784    public function getBoxStyle(): string
785    {
786        $tmp = [
787            'M' => '',
788            'F' => 'F',
789            'U' => 'NN',
790        ];
791
792        return 'person_box' . $tmp[$this->sex()];
793    }
794
795    /**
796     * Get a list of this individual’s spouse families
797     *
798     * @param int|null $access_level
799     *
800     * @return Collection
801     */
802    public function spouseFamilies($access_level = null): Collection
803    {
804        if ($access_level === null) {
805            $access_level = Auth::accessLevel($this->tree);
806        }
807
808        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
809
810        $families = new Collection();
811        foreach ($this->facts(['FAMS'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
812            $family = $fact->target();
813            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
814                $families->push($family);
815            }
816        }
817
818        return new Collection($families);
819    }
820
821    /**
822     * Get the current spouse of this individual.
823     *
824     * Where an individual has multiple spouses, assume they are stored
825     * in chronological order, and take the last one found.
826     *
827     * @return Individual|null
828     */
829    public function getCurrentSpouse(): ?Individual
830    {
831        $family = $this->spouseFamilies()->last();
832
833        if ($family instanceof Family) {
834            return $family->spouse($this);
835        }
836
837        return null;
838    }
839
840    /**
841     * Count the children belonging to this individual.
842     *
843     * @return int
844     */
845    public function numberOfChildren(): int
846    {
847        if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->gedcom(), $match)) {
848            return (int) $match[1];
849        }
850
851        $children = [];
852        foreach ($this->spouseFamilies() as $fam) {
853            foreach ($fam->children() as $child) {
854                $children[$child->xref()] = true;
855            }
856        }
857
858        return count($children);
859    }
860
861    /**
862     * Get a list of this individual’s child families (i.e. their parents).
863     *
864     * @param int|null $access_level
865     *
866     * @return Collection
867     */
868    public function childFamilies($access_level = null): Collection
869    {
870        if ($access_level === null) {
871            $access_level = Auth::accessLevel($this->tree);
872        }
873
874        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
875
876        $families = new Collection();
877
878        foreach ($this->facts(['FAMC'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
879            $family = $fact->target();
880            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
881                $families->push($family);
882            }
883        }
884
885        return $families;
886    }
887
888    /**
889     * Get the preferred parents for this individual.
890     *
891     * An individual may multiple parents (e.g. birth, adopted, disputed).
892     * The preferred family record is:
893     * (a) the first one with an explicit tag "_PRIMARY Y"
894     * (b) the first one with a pedigree of "birth"
895     * (c) the first one with no pedigree (default is "birth")
896     * (d) the first one found
897     *
898     * @return Family|null
899     */
900    public function primaryChildFamily(): ?Family
901    {
902        $families = $this->childFamilies();
903        switch ($families->count()) {
904            case 0:
905                return null;
906            case 1:
907                return $families[0];
908            default:
909                // If there is more than one FAMC record, choose the preferred parents:
910                // a) records with '2 _PRIMARY'
911                foreach ($families as $fam) {
912                    $famid = $fam->xref();
913                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 _PRIMARY Y)/", $this->gedcom())) {
914                        return $fam;
915                    }
916                }
917                // b) records with '2 PEDI birt'
918                foreach ($families as $fam) {
919                    $famid = $fam->xref();
920                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI birth)/", $this->gedcom())) {
921                        return $fam;
922                    }
923                }
924                // c) records with no '2 PEDI'
925                foreach ($families as $fam) {
926                    $famid = $fam->xref();
927                    if (!preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI)/", $this->gedcom())) {
928                        return $fam;
929                    }
930                }
931
932                // d) any record
933                return $families[0];
934        }
935    }
936
937    /**
938     * Get a list of step-parent families.
939     *
940     * @return Collection
941     */
942    public function childStepFamilies(): Collection
943    {
944        $step_families = [];
945        $families      = $this->childFamilies();
946        foreach ($families as $family) {
947            $father = $family->husband();
948            if ($father) {
949                foreach ($father->spouseFamilies() as $step_family) {
950                    if (!$families->containsStrict($step_family)) {
951                        $step_families[] = $step_family;
952                    }
953                }
954            }
955            $mother = $family->wife();
956            if ($mother) {
957                foreach ($mother->spouseFamilies() as $step_family) {
958                    if (!$families->containsStrict($step_family)) {
959                        $step_families[] = $step_family;
960                    }
961                }
962            }
963        }
964
965        return new Collection($step_families);
966    }
967
968    /**
969     * Get a list of step-parent families.
970     *
971     * @return Collection
972     */
973    public function spouseStepFamilies(): Collection
974    {
975        $step_families = [];
976        $families      = $this->spouseFamilies();
977
978        foreach ($families as $family) {
979            $spouse = $family->spouse($this);
980
981            if ($spouse) {
982                foreach ($family->spouse($this)->spouseFamilies() as $step_family) {
983                    if (!$families->containsStrict($step_family)) {
984                        $step_families[] = $step_family;
985                    }
986                }
987            }
988        }
989
990        return new Collection($step_families);
991    }
992
993    /**
994     * A label for a parental family group
995     *
996     * @param Family $family
997     *
998     * @return string
999     */
1000    public function getChildFamilyLabel(Family $family): string
1001    {
1002        if (preg_match('/\n1 FAMC @' . $family->xref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->gedcom(), $match)) {
1003            // A specified pedigree
1004            return GedcomCodePedi::getChildFamilyLabel($match[1]);
1005        }
1006
1007        // Default (birth) pedigree
1008        return GedcomCodePedi::getChildFamilyLabel('');
1009    }
1010
1011    /**
1012     * Create a label for a step family
1013     *
1014     * @param Family $step_family
1015     *
1016     * @return string
1017     */
1018    public function getStepFamilyLabel(Family $step_family): string
1019    {
1020        foreach ($this->childFamilies() as $family) {
1021            if ($family !== $step_family) {
1022                // Must be a step-family
1023                foreach ($family->spouses() as $parent) {
1024                    foreach ($step_family->spouses() as $step_parent) {
1025                        if ($parent === $step_parent) {
1026                            // One common parent - must be a step family
1027                            if ($parent->sex() === 'M') {
1028                                // Father’s family with someone else
1029                                if ($step_family->spouse($step_parent)) {
1030                                    /* I18N: A step-family. %s is an individual’s name */
1031                                    return I18N::translate('Father’s family with %s', $step_family->spouse($step_parent)->fullName());
1032                                }
1033
1034                                /* I18N: A step-family. */
1035                                return I18N::translate('Father’s family with an unknown individual');
1036                            }
1037
1038                            // Mother’s family with someone else
1039                            if ($step_family->spouse($step_parent)) {
1040                                /* I18N: A step-family. %s is an individual’s name */
1041                                return I18N::translate('Mother’s family with %s', $step_family->spouse($step_parent)->fullName());
1042                            }
1043
1044                            /* I18N: A step-family. */
1045                            return I18N::translate('Mother’s family with an unknown individual');
1046                        }
1047                    }
1048                }
1049            }
1050        }
1051
1052        // Perahps same parents - but a different family record?
1053        return I18N::translate('Family with parents');
1054    }
1055
1056    /**
1057     * Get the description for the family.
1058     *
1059     * For example, "XXX's family with new wife".
1060     *
1061     * @param Family $family
1062     *
1063     * @return string
1064     */
1065    public function getSpouseFamilyLabel(Family $family): string
1066    {
1067        $spouse = $family->spouse($this);
1068        if ($spouse) {
1069            /* I18N: %s is the spouse name */
1070            return I18N::translate('Family with %s', $spouse->fullName());
1071        }
1072
1073        return $family->fullName();
1074    }
1075
1076    /**
1077     * get primary parents names for this individual
1078     *
1079     * @param string $classname optional css class
1080     * @param string $display   optional css style display
1081     *
1082     * @return string a div block with father & mother names
1083     */
1084    public function getPrimaryParentsNames($classname = '', $display = ''): string
1085    {
1086        $fam = $this->primaryChildFamily();
1087        if (!$fam) {
1088            return '';
1089        }
1090        $txt = '<div';
1091        if ($classname) {
1092            $txt .= ' class="' . $classname . '"';
1093        }
1094        if ($display) {
1095            $txt .= ' style="display:' . $display . '"';
1096        }
1097        $txt .= '>';
1098        $husb = $fam->husband();
1099        if ($husb) {
1100            // Temporarily reset the 'prefered' display name, as we always
1101            // want the default name, not the one selected for display on the indilist.
1102            $primary = $husb->getPrimaryName();
1103            $husb->setPrimaryName(null);
1104            /* I18N: %s is the name of an individual’s father */
1105            $txt .= I18N::translate('Father: %s', $husb->fullName()) . '<br>';
1106            $husb->setPrimaryName($primary);
1107        }
1108        $wife = $fam->wife();
1109        if ($wife) {
1110            // Temporarily reset the 'prefered' display name, as we always
1111            // want the default name, not the one selected for display on the indilist.
1112            $primary = $wife->getPrimaryName();
1113            $wife->setPrimaryName(null);
1114            /* I18N: %s is the name of an individual’s mother */
1115            $txt .= I18N::translate('Mother: %s', $wife->fullName());
1116            $wife->setPrimaryName($primary);
1117        }
1118        $txt .= '</div>';
1119
1120        return $txt;
1121    }
1122
1123    /**
1124     * If this object has no name, what do we call it?
1125     *
1126     * @return string
1127     */
1128    public function getFallBackName(): string
1129    {
1130        return '@P.N. /@N.N./';
1131    }
1132
1133    /**
1134     * Convert a name record into ‘full’ and ‘sort’ versions.
1135     * Use the NAME field to generate the ‘full’ version, as the
1136     * gedcom spec says that this is the individual’s name, as they would write it.
1137     * Use the SURN field to generate the sortable names. Note that this field
1138     * may also be used for the ‘true’ surname, perhaps spelt differently to that
1139     * recorded in the NAME field. e.g.
1140     *
1141     * 1 NAME Robert /de Gliderow/
1142     * 2 GIVN Robert
1143     * 2 SPFX de
1144     * 2 SURN CLITHEROW
1145     * 2 NICK The Bald
1146     *
1147     * full=>'Robert de Gliderow 'The Bald''
1148     * sort=>'CLITHEROW, ROBERT'
1149     *
1150     * Handle multiple surnames, either as;
1151     *
1152     * 1 NAME Carlos /Vasquez/ y /Sante/
1153     * or
1154     * 1 NAME Carlos /Vasquez y Sante/
1155     * 2 GIVN Carlos
1156     * 2 SURN Vasquez,Sante
1157     *
1158     * @param string $type
1159     * @param string $full
1160     * @param string $gedcom
1161     *
1162     * @return void
1163     */
1164    protected function addName(string $type, string $full, string $gedcom): void
1165    {
1166        ////////////////////////////////////////////////////////////////////////////
1167        // Extract the structured name parts - use for "sortable" names and indexes
1168        ////////////////////////////////////////////////////////////////////////////
1169
1170        $sublevel = 1 + (int) substr($gedcom, 0, 1);
1171        $GIVN     = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1172        $SURN     = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1173        $NICK     = preg_match("/\n{$sublevel} NICK (.+)/", $gedcom, $match) ? $match[1] : '';
1174
1175        // SURN is an comma-separated list of surnames...
1176        if ($SURN !== '') {
1177            $SURNS = preg_split('/ *, */', $SURN);
1178        } else {
1179            $SURNS = [];
1180        }
1181
1182        // ...so is GIVN - but nobody uses it like that
1183        $GIVN = str_replace('/ *, */', ' ', $GIVN);
1184
1185        ////////////////////////////////////////////////////////////////////////////
1186        // Extract the components from NAME - use for the "full" names
1187        ////////////////////////////////////////////////////////////////////////////
1188
1189        // Fix bad slashes. e.g. 'John/Smith' => 'John/Smith/'
1190        if (substr_count($full, '/') % 2 === 1) {
1191            $full .= '/';
1192        }
1193
1194        // GEDCOM uses "//" to indicate an unknown surname
1195        $full = preg_replace('/\/\//', '/@N.N./', $full);
1196
1197        // Extract the surname.
1198        // Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1199        if (preg_match('/\/.*\//', $full, $match)) {
1200            $surname = str_replace('/', '', $match[0]);
1201        } else {
1202            $surname = '';
1203        }
1204
1205        // If we don’t have a SURN record, extract it from the NAME
1206        if (!$SURNS) {
1207            if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1208                // There can be many surnames, each wrapped with '/'
1209                $SURNS = $matches[1];
1210                foreach ($SURNS as $n => $SURN) {
1211                    // Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1212                    $SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1213                }
1214            } else {
1215                // It is valid not to have a surname at all
1216                $SURNS = [''];
1217            }
1218        }
1219
1220        // If we don’t have a GIVN record, extract it from the NAME
1221        if (!$GIVN) {
1222            $GIVN = preg_replace(
1223                [
1224                    '/ ?\/.*\/ ?/',
1225                    // remove surname
1226                    '/ ?".+"/',
1227                    // remove nickname
1228                    '/ {2,}/',
1229                    // multiple spaces, caused by the above
1230                    '/^ | $/',
1231                    // leading/trailing spaces, caused by the above
1232                ],
1233                [
1234                    ' ',
1235                    ' ',
1236                    ' ',
1237                    '',
1238                ],
1239                $full
1240            );
1241        }
1242
1243        // Add placeholder for unknown given name
1244        if (!$GIVN) {
1245            $GIVN = '@P.N.';
1246            $pos  = (int) strpos($full, '/');
1247            $full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1248        }
1249
1250        // GEDCOM 5.5.1 nicknames should be specificied in a NICK field
1251        // GEDCOM 5.5   nicknames should be specified in the NAME field, surrounded by quotes
1252        if ($NICK && strpos($full, '"' . $NICK . '"') === false) {
1253            // A NICK field is present, but not included in the NAME.  Show it at the end.
1254            $full .= ' "' . $NICK . '"';
1255        }
1256
1257        // Remove slashes - they don’t get displayed
1258        // $fullNN keeps the @N.N. placeholders, for the database
1259        // $full is for display on-screen
1260        $fullNN = str_replace('/', '', $full);
1261
1262        // Insert placeholders for any missing/unknown names
1263        $full = str_replace('@N.N.', I18N::translateContext('Unknown surname', '…'), $full);
1264        $full = str_replace('@P.N.', I18N::translateContext('Unknown given name', '…'), $full);
1265        // Format for display
1266        $full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', e($full)) . '</span>';
1267        // Localise quotation marks around the nickname
1268        $full = preg_replace_callback('/&quot;([^&]*)&quot;/', static function (array $matches): string {
1269            return I18N::translate('“%s”', $matches[1]);
1270        }, $full);
1271
1272        // A suffix of “*” indicates a preferred name
1273        $full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1274
1275        // Remove prefered-name indicater - they don’t go in the database
1276        $GIVN   = str_replace('*', '', $GIVN);
1277        $fullNN = str_replace('*', '', $fullNN);
1278
1279        foreach ($SURNS as $SURN) {
1280            // Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1281            if (strcasecmp(substr($SURN, 0, 2), 'Mc') === 0) {
1282                $SURN = substr_replace($SURN, 'Mac', 0, 2);
1283            } elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') === 0) {
1284                $SURN = substr_replace($SURN, 'Mac', 0, 4);
1285            }
1286
1287            $this->getAllNames[] = [
1288                'type'    => $type,
1289                'sort'    => $SURN . ',' . $GIVN,
1290                'full'    => $full,
1291                // This is used for display
1292                'fullNN'  => $fullNN,
1293                // This goes into the database
1294                'surname' => $surname,
1295                // This goes into the database
1296                'givn'    => $GIVN,
1297                // This goes into the database
1298                'surn'    => $SURN,
1299                // This goes into the database
1300            ];
1301        }
1302    }
1303
1304    /**
1305     * Extract names from the GEDCOM record.
1306     *
1307     * @return void
1308     */
1309    public function extractNames(): void
1310    {
1311        $this->extractNamesFromFacts(
1312            1,
1313            'NAME',
1314            $this->facts(
1315                ['NAME'],
1316                false,
1317                Auth::accessLevel($this->tree),
1318                $this->canShowName()
1319            )
1320        );
1321    }
1322
1323    /**
1324     * Extra info to display when displaying this record in a list of
1325     * selection items or favorites.
1326     *
1327     * @return string
1328     */
1329    public function formatListDetails(): string
1330    {
1331        return
1332            $this->formatFirstMajorFact(Gedcom::BIRTH_EVENTS, 1) .
1333            $this->formatFirstMajorFact(Gedcom::DEATH_EVENTS, 1);
1334    }
1335}
1336