xref: /webtrees/app/Individual.php (revision 30158ae76837ce51811d3e0fca2ea5852182f42e)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2018 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees;
19
20use Fisharebest\ExtCalendar\GregorianCalendar;
21use Fisharebest\Webtrees\GedcomCode\GedcomCodePedi;
22
23/**
24 * A GEDCOM individual (INDI) object.
25 */
26class Individual extends GedcomRecord
27{
28    const RECORD_TYPE = 'INDI';
29    const ROUTE_NAME  = 'individual';
30
31    /** @var int used in some lists to keep track of this individual’s generation in that list */
32    public $generation;
33
34    /** @var Date The estimated date of birth */
35    private $estimated_birth_date;
36
37    /** @var Date The estimated date of death */
38    private $estimated_death_date;
39
40    /**
41     * Get an instance of an individual object. For single records,
42     * we just receive the XREF. For bulk records (such as lists
43     * and search results) we can receive the GEDCOM data as well.
44     *
45     * @param string      $xref
46     * @param Tree        $tree
47     * @param string|null $gedcom
48     *
49     * @throws \Exception
50     *
51     * @return Individual|null
52     */
53    public static function getInstance(string $xref, Tree $tree, string $gedcom = null)
54    {
55        $record = parent::getInstance($xref, $tree, $gedcom);
56
57        if ($record instanceof Individual) {
58            return $record;
59        }
60
61        return null;
62    }
63
64    /**
65     * Sometimes, we'll know in advance that we need to load a set of records.
66     * Typically when we load families and their members.
67     *
68     * @param Tree     $tree
69     * @param string[] $xrefs
70     *
71     * @return void
72     */
73    public static function load(Tree $tree, array $xrefs)
74    {
75        $args         = [
76            'tree_id' => $tree->id(),
77        ];
78        $placeholders = [];
79
80        foreach (array_unique($xrefs) as $n => $xref) {
81            if (!isset(self::$gedcom_record_cache[$tree->id()][$xref])) {
82                $placeholders[] = ':x' . $n;
83                $args['x' . $n] = $xref;
84            }
85        }
86
87        if (!empty($placeholders)) {
88            $rows = Database::prepare(
89                "SELECT i_id AS xref, i_gedcom AS gedcom" .
90                " FROM `##individuals`" .
91                " WHERE i_file = :tree_id AND i_id IN (" . implode(',', $placeholders) . ")"
92            )->execute(
93                $args
94            )->fetchAll();
95
96            foreach ($rows as $row) {
97                self::getInstance($row->xref, $tree, $row->gedcom);
98            }
99        }
100    }
101
102    /**
103     * Can the name of this record be shown?
104     *
105     * @param int|null $access_level
106     *
107     * @return bool
108     */
109    public function canShowName(int $access_level = null): bool
110    {
111        if ($access_level === null) {
112            $access_level = Auth::accessLevel($this->tree);
113        }
114
115        return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
116    }
117
118    /**
119     * Can this individual be shown?
120     *
121     * @param int $access_level
122     *
123     * @return bool
124     */
125    protected function canShowByType(int $access_level): bool
126    {
127        // Dead people...
128        if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
129            $keep_alive             = false;
130            $KEEP_ALIVE_YEARS_BIRTH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
131            if ($KEEP_ALIVE_YEARS_BIRTH) {
132                preg_match_all('/\n1 (?:' . WT_EVENTS_BIRT . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
133                foreach ($matches as $match) {
134                    $date = new Date($match[1]);
135                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
136                        $keep_alive = true;
137                        break;
138                    }
139                }
140            }
141            $KEEP_ALIVE_YEARS_DEATH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
142            if ($KEEP_ALIVE_YEARS_DEATH) {
143                preg_match_all('/\n1 (?:' . WT_EVENTS_DEAT . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
144                foreach ($matches as $match) {
145                    $date = new Date($match[1]);
146                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
147                        $keep_alive = true;
148                        break;
149                    }
150                }
151            }
152            if (!$keep_alive) {
153                return true;
154            }
155        }
156        // Consider relationship privacy (unless an admin is applying download restrictions)
157        $user_path_length = (int) $this->tree->getUserPreference(Auth::user(), 'RELATIONSHIP_PATH_LENGTH');
158        $gedcomid         = $this->tree->getUserPreference(Auth::user(), 'gedcomid');
159        if ($gedcomid !== '' && $user_path_length > 0) {
160            return self::isRelated($this, $user_path_length);
161        }
162
163        // No restriction found - show living people to members only:
164        return Auth::PRIV_USER >= $access_level;
165    }
166
167    /**
168     * For relationship privacy calculations - is this individual a close relative?
169     *
170     * @param Individual $target
171     * @param int        $distance
172     *
173     * @return bool
174     */
175    private static function isRelated(Individual $target, $distance): bool
176    {
177        static $cache = null;
178
179        $user_individual = self::getInstance($target->tree->getUserPreference(Auth::user(), 'gedcomid'), $target->tree);
180        if ($user_individual) {
181            if (!$cache) {
182                $cache = [
183                    0 => [$user_individual],
184                    1 => [],
185                ];
186                foreach ($user_individual->facts('FAM[CS]', false, Auth::PRIV_HIDE) as $fact) {
187                    $family = $fact->target();
188                    if ($family instanceof Family) {
189                        $cache[1][] = $family;
190                    }
191                }
192            }
193        } else {
194            // No individual linked to this account? Cannot use relationship privacy.
195            return true;
196        }
197
198        // Double the distance, as we count the INDI-FAM and FAM-INDI links separately
199        $distance *= 2;
200
201        // Consider each path length in turn
202        for ($n = 0; $n <= $distance; ++$n) {
203            if (array_key_exists($n, $cache)) {
204                // We have already calculated all records with this length
205                if ($n % 2 == 0 && in_array($target, $cache[$n], true)) {
206                    return true;
207                }
208            } else {
209                // Need to calculate these paths
210                $cache[$n] = [];
211                if ($n % 2 == 0) {
212                    // Add FAM->INDI links
213                    foreach ($cache[$n - 1] as $family) {
214                        foreach ($family->facts('HUSB|WIFE|CHIL', false, Auth::PRIV_HIDE) as $fact) {
215                            $individual = $fact->target();
216                            // Don’t backtrack
217                            if ($individual instanceof Individual && !in_array($individual, $cache[$n - 2], true)) {
218                                $cache[$n][] = $individual;
219                            }
220                        }
221                    }
222                    if (in_array($target, $cache[$n], true)) {
223                        return true;
224                    }
225                } else {
226                    // Add INDI->FAM links
227                    foreach ($cache[$n - 1] as $individual) {
228                        foreach ($individual->facts('FAM[CS]', false, Auth::PRIV_HIDE) as $fact) {
229                            $family = $fact->target();
230                            // Don’t backtrack
231                            if ($family instanceof Family && !in_array($family, $cache[$n - 2], true)) {
232                                $cache[$n][] = $family;
233                            }
234                        }
235                    }
236                }
237            }
238        }
239
240        return false;
241    }
242
243    /**
244     * Generate a private version of this record
245     *
246     * @param int $access_level
247     *
248     * @return string
249     */
250    protected function createPrivateGedcomRecord(int $access_level): string
251    {
252        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
253
254        $rec = '0 @' . $this->xref . '@ INDI';
255        if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
256            // Show all the NAME tags, including subtags
257            foreach ($this->facts('NAME') as $fact) {
258                $rec .= "\n" . $fact->gedcom();
259            }
260        }
261        // Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
262        preg_match_all('/\n1 (?:FAMC|FAMS) @(' . WT_REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
263        foreach ($matches as $match) {
264            $rela = Family::getInstance($match[1], $this->tree);
265            if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
266                $rec .= $match[0];
267            }
268        }
269        // Don’t privatize sex.
270        if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
271            $rec .= $match[0];
272        }
273
274        return $rec;
275    }
276
277    /**
278     * Fetch data from the database
279     *
280     * @param string $xref
281     * @param int    $tree_id
282     *
283     * @return null|string
284     */
285    protected static function fetchGedcomRecord(string $xref, int $tree_id)
286    {
287        return Database::prepare(
288            "SELECT i_gedcom FROM `##individuals` WHERE i_id = :xref AND i_file = :tree_id"
289        )->execute([
290            'xref'    => $xref,
291            'tree_id' => $tree_id,
292        ])->fetchOne();
293    }
294
295    /**
296     * Static helper function to sort an array of people by birth date
297     *
298     * @param Individual $x
299     * @param Individual $y
300     *
301     * @return int
302     */
303    public static function compareBirthDate(Individual $x, Individual $y): int
304    {
305        return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
306    }
307
308    /**
309     * Static helper function to sort an array of people by death date
310     *
311     * @param Individual $x
312     * @param Individual $y
313     *
314     * @return int
315     */
316    public static function compareDeathDate(Individual $x, Individual $y): int
317    {
318        return Date::compare($x->getEstimatedDeathDate(), $y->getEstimatedDeathDate());
319    }
320
321    /**
322     * Calculate whether this individual is living or dead.
323     * If not known to be dead, then assume living.
324     *
325     * @return bool
326     */
327    public function isDead(): bool
328    {
329        $MAX_ALIVE_AGE = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
330
331        // "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
332        if (preg_match('/\n1 (?:' . WT_EVENTS_DEAT . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
333            return true;
334        }
335
336        // If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
337        if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
338            foreach ($date_matches[1] as $date_match) {
339                $date = new Date($date_match);
340                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * $MAX_ALIVE_AGE) {
341                    return true;
342                }
343            }
344            // The individual has one or more dated events. All are less than $MAX_ALIVE_AGE years ago.
345            // If one of these is a birth, the individual must be alive.
346            if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
347                return false;
348            }
349        }
350
351        // If we found no conclusive dates then check the dates of close relatives.
352
353        // Check parents (birth and adopted)
354        foreach ($this->getChildFamilies(Auth::PRIV_HIDE) as $family) {
355            foreach ($family->getSpouses(Auth::PRIV_HIDE) as $parent) {
356                // Assume parents are no more than 45 years older than their children
357                preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
358                foreach ($date_matches[1] as $date_match) {
359                    $date = new Date($date_match);
360                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 45)) {
361                        return true;
362                    }
363                }
364            }
365        }
366
367        // Check spouses
368        foreach ($this->getSpouseFamilies(Auth::PRIV_HIDE) as $family) {
369            preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
370            foreach ($date_matches[1] as $date_match) {
371                $date = new Date($date_match);
372                // Assume marriage occurs after age of 10
373                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 10)) {
374                    return true;
375                }
376            }
377            // Check spouse dates
378            $spouse = $family->getSpouse($this, Auth::PRIV_HIDE);
379            if ($spouse) {
380                preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
381                foreach ($date_matches[1] as $date_match) {
382                    $date = new Date($date_match);
383                    // Assume max age difference between spouses of 40 years
384                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 40)) {
385                        return true;
386                    }
387                }
388            }
389            // Check child dates
390            foreach ($family->getChildren(Auth::PRIV_HIDE) as $child) {
391                preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
392                // Assume children born after age of 15
393                foreach ($date_matches[1] as $date_match) {
394                    $date = new Date($date_match);
395                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 15)) {
396                        return true;
397                    }
398                }
399                // Check grandchildren
400                foreach ($child->getSpouseFamilies(Auth::PRIV_HIDE) as $child_family) {
401                    foreach ($child_family->getChildren(Auth::PRIV_HIDE) as $grandchild) {
402                        preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
403                        // Assume grandchildren born after age of 30
404                        foreach ($date_matches[1] as $date_match) {
405                            $date = new Date($date_match);
406                            if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 30)) {
407                                return true;
408                            }
409                        }
410                    }
411                }
412            }
413        }
414
415        return false;
416    }
417
418    /**
419     * Find the highlighted media object for an individual
420     *
421     * @return null|MediaFile
422     */
423    public function findHighlightedMediaFile()
424    {
425        foreach ($this->facts('OBJE') as $fact) {
426            $media = $fact->target();
427            if ($media instanceof Media) {
428                foreach ($media->mediaFiles() as $media_file) {
429                    if ($media_file->isImage() && !$media_file->isExternal()) {
430                        return $media_file;
431                    }
432                }
433            }
434        }
435
436        return null;
437    }
438
439    /**
440     * Display the prefered image for this individual.
441     * Use an icon if no image is available.
442     *
443     * @param int      $width      Pixels
444     * @param int      $height     Pixels
445     * @param string   $fit        "crop" or "contain"
446     * @param string[] $attributes Additional HTML attributes
447     *
448     * @return string
449     */
450    public function displayImage($width, $height, $fit, $attributes): string
451    {
452        $media_file = $this->findHighlightedMediaFile();
453
454        if ($media_file !== null) {
455            return $media_file->displayImage($width, $height, $fit, $attributes);
456        }
457
458        if ($this->tree->getPreference('USE_SILHOUETTE')) {
459            return '<i class="icon-silhouette-' . $this->getSex() . '"></i>';
460        }
461
462        return '';
463    }
464
465    /**
466     * Get the date of birth
467     *
468     * @return Date
469     */
470    public function getBirthDate(): Date
471    {
472        foreach ($this->getAllBirthDates() as $date) {
473            if ($date->isOK()) {
474                return $date;
475            }
476        }
477
478        return new Date('');
479    }
480
481    /**
482     * Get the place of birth
483     *
484     * @return Place
485     */
486    public function getBirthPlace(): Place
487    {
488        foreach ($this->getAllBirthPlaces() as $place) {
489            return $place;
490        }
491
492        return new Place('', $this->tree);
493    }
494
495    /**
496     * Get the year of birth
497     *
498     * @return string the year of birth
499     */
500    public function getBirthYear(): string
501    {
502        return $this->getBirthDate()->minimumDate()->format('%Y');
503    }
504
505    /**
506     * Get the date of death
507     *
508     * @return Date
509     */
510    public function getDeathDate(): Date
511    {
512        foreach ($this->getAllDeathDates() as $date) {
513            if ($date->isOK()) {
514                return $date;
515            }
516        }
517
518        return new Date('');
519    }
520
521    /**
522     * Get the place of death
523     *
524     * @return Place
525     */
526    public function getDeathPlace(): Place
527    {
528        foreach ($this->getAllDeathPlaces() as $place) {
529            return $place;
530        }
531
532        return new Place('', $this->tree);
533    }
534
535    /**
536     * get the death year
537     *
538     * @return string the year of death
539     */
540    public function getDeathYear(): string
541    {
542        return $this->getDeathDate()->minimumDate()->format('%Y');
543    }
544
545    /**
546     * Get the range of years in which a individual lived. e.g. “1870–”, “1870–1920”, “–1920”.
547     * Provide the place and full date using a tooltip.
548     * For consistent layout in charts, etc., show just a “–” when no dates are known.
549     * Note that this is a (non-breaking) en-dash, and not a hyphen.
550     *
551     * @return string
552     */
553    public function getLifeSpan(): string
554    {
555        // Just the first part of the place name
556        $birth_place = strip_tags($this->getBirthPlace()->getShortName());
557        $death_place = strip_tags($this->getDeathPlace()->getShortName());
558        // Remove markup from dates
559        $birth_date = strip_tags($this->getBirthDate()->display());
560        $death_date = strip_tags($this->getDeathDate()->display());
561
562        /* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */
563        return
564            I18N::translate(
565                '%1$s–%2$s',
566                '<span title="' . e($birth_place) . ' ' . $birth_date . '">' . $this->getBirthYear() . '</span>',
567                '<span title="' . e($death_place) . ' ' . $death_date . '">' . $this->getDeathYear() . '</span>'
568            );
569    }
570
571    /**
572     * Get all the birth dates - for the individual lists.
573     *
574     * @return Date[]
575     */
576    public function getAllBirthDates(): array
577    {
578        foreach (explode('|', WT_EVENTS_BIRT) as $event) {
579            $tmp = $this->getAllEventDates($event);
580            if ($tmp) {
581                return $tmp;
582            }
583        }
584
585        return [];
586    }
587
588    /**
589     * Gat all the birth places - for the individual lists.
590     *
591     * @return Place[]
592     */
593    public function getAllBirthPlaces(): array
594    {
595        foreach (explode('|', WT_EVENTS_BIRT) as $event) {
596            $places = $this->getAllEventPlaces($event);
597            if (!empty($places)) {
598                return $places;
599            }
600        }
601
602        return [];
603    }
604
605    /**
606     * Get all the death dates - for the individual lists.
607     *
608     * @return Date[]
609     */
610    public function getAllDeathDates(): array
611    {
612        foreach (explode('|', WT_EVENTS_DEAT) as $event) {
613            $tmp = $this->getAllEventDates($event);
614            if ($tmp) {
615                return $tmp;
616            }
617        }
618
619        return [];
620    }
621
622    /**
623     * Get all the death places - for the individual lists.
624     *
625     * @return Place[]
626     */
627    public function getAllDeathPlaces(): array
628    {
629        foreach (explode('|', WT_EVENTS_DEAT) as $event) {
630            $places = $this->getAllEventPlaces($event);
631            if (!empty($places)) {
632                return $places;
633            }
634        }
635
636        return [];
637    }
638
639    /**
640     * Generate an estimate for the date of birth, based on dates of parents/children/spouses
641     *
642     * @return Date
643     */
644    public function getEstimatedBirthDate(): Date
645    {
646        if ($this->estimated_birth_date === null) {
647            foreach ($this->getAllBirthDates() as $date) {
648                if ($date->isOK()) {
649                    $this->estimated_birth_date = $date;
650                    break;
651                }
652            }
653            if ($this->estimated_birth_date === null) {
654                $min = [];
655                $max = [];
656                $tmp = $this->getDeathDate();
657                if ($tmp->isOK()) {
658                    $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
659                    $max[] = $tmp->maximumJulianDay();
660                }
661                foreach ($this->getChildFamilies() as $family) {
662                    $tmp = $family->getMarriageDate();
663                    if ($tmp->isOK()) {
664                        $min[] = $tmp->maximumJulianDay() - 365 * 1;
665                        $max[] = $tmp->minimumJulianDay() + 365 * 30;
666                    }
667                    if ($parent = $family->getHusband()) {
668                        $tmp = $parent->getBirthDate();
669                        if ($tmp->isOK()) {
670                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
671                            $max[] = $tmp->minimumJulianDay() + 365 * 65;
672                        }
673                    }
674                    if ($parent = $family->getWife()) {
675                        $tmp = $parent->getBirthDate();
676                        if ($tmp->isOK()) {
677                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
678                            $max[] = $tmp->minimumJulianDay() + 365 * 45;
679                        }
680                    }
681                    foreach ($family->getChildren() as $child) {
682                        $tmp = $child->getBirthDate();
683                        if ($tmp->isOK()) {
684                            $min[] = $tmp->maximumJulianDay() - 365 * 30;
685                            $max[] = $tmp->minimumJulianDay() + 365 * 30;
686                        }
687                    }
688                }
689                foreach ($this->getSpouseFamilies() as $family) {
690                    $tmp = $family->getMarriageDate();
691                    if ($tmp->isOK()) {
692                        $min[] = $tmp->maximumJulianDay() - 365 * 45;
693                        $max[] = $tmp->minimumJulianDay() - 365 * 15;
694                    }
695                    $spouse = $family->getSpouse($this);
696                    if ($spouse) {
697                        $tmp = $spouse->getBirthDate();
698                        if ($tmp->isOK()) {
699                            $min[] = $tmp->maximumJulianDay() - 365 * 25;
700                            $max[] = $tmp->minimumJulianDay() + 365 * 25;
701                        }
702                    }
703                    foreach ($family->getChildren() as $child) {
704                        $tmp = $child->getBirthDate();
705                        if ($tmp->isOK()) {
706                            $min[] = $tmp->maximumJulianDay() - 365 * ($this->getSex() == 'F' ? 45 : 65);
707                            $max[] = $tmp->minimumJulianDay() - 365 * 15;
708                        }
709                    }
710                }
711                if ($min && $max) {
712                    $gregorian_calendar = new GregorianCalendar();
713
714                    list($year) = $gregorian_calendar->jdToYmd(intdiv(max($min) + min($max), 2));
715                    $this->estimated_birth_date = new Date('EST ' . $year);
716                } else {
717                    $this->estimated_birth_date = new Date(''); // always return a date object
718                }
719            }
720        }
721
722        return $this->estimated_birth_date;
723    }
724
725    /**
726     * Generate an estimated date of death.
727     *
728     * @return Date
729     */
730    public function getEstimatedDeathDate(): Date
731    {
732        if ($this->estimated_death_date === null) {
733            foreach ($this->getAllDeathDates() as $date) {
734                if ($date->isOK()) {
735                    $this->estimated_death_date = $date;
736                    break;
737                }
738            }
739            if ($this->estimated_death_date === null) {
740                if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
741                    $max_alive_age              = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
742                    $this->estimated_death_date = $this->getEstimatedBirthDate()->addYears($max_alive_age, 'BEF');
743                } else {
744                    $this->estimated_death_date = new Date(''); // always return a date object
745                }
746            }
747        }
748
749        return $this->estimated_death_date;
750    }
751
752    /**
753     * Get the sex - M F or U
754     * Use the un-privatised gedcom record. We call this function during
755     * the privatize-gedcom function, and we are allowed to know this.
756     *
757     * @return string
758     */
759    public function getSex()
760    {
761        if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
762            return $match[1];
763        }
764
765        return 'U';
766    }
767
768    /**
769     * Get the individual’s sex image
770     *
771     * @param string $size
772     *
773     * @return string
774     */
775    public function getSexImage($size = 'small'): string
776    {
777        return self::sexImage($this->getSex(), $size);
778    }
779
780    /**
781     * Generate a sex icon/image
782     *
783     * @param string $sex
784     * @param string $size
785     *
786     * @return string
787     */
788    public static function sexImage($sex, $size = 'small'): string
789    {
790        return '<i class="icon-sex_' . strtolower($sex) . '_' . ($size == 'small' ? '9x9' : '15x15') . '"></i>';
791    }
792
793    /**
794     * Generate the CSS class to be used for drawing this individual
795     *
796     * @return string
797     */
798    public function getBoxStyle(): string
799    {
800        $tmp = [
801            'M' => '',
802            'F' => 'F',
803            'U' => 'NN',
804        ];
805
806        return 'person_box' . $tmp[$this->getSex()];
807    }
808
809    /**
810     * Get a list of this individual’s spouse families
811     *
812     * @param int|null $access_level
813     *
814     * @return Family[]
815     */
816    public function getSpouseFamilies($access_level = null): array
817    {
818        if ($access_level === null) {
819            $access_level = Auth::accessLevel($this->tree);
820        }
821
822        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
823
824        $families = [];
825        foreach ($this->facts('FAMS', false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
826            $family = $fact->target();
827            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
828                $families[] = $family;
829            }
830        }
831
832        return $families;
833    }
834
835    /**
836     * Get the current spouse of this individual.
837     *
838     * Where an individual has multiple spouses, assume they are stored
839     * in chronological order, and take the last one found.
840     *
841     * @return Individual|null
842     */
843    public function getCurrentSpouse()
844    {
845        $tmp    = $this->getSpouseFamilies();
846        $family = end($tmp);
847        if ($family) {
848            return $family->getSpouse($this);
849        }
850
851        return null;
852    }
853
854    /**
855     * Count the children belonging to this individual.
856     *
857     * @return int
858     */
859    public function getNumberOfChildren()
860    {
861        if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->gedcom(), $match)) {
862            return (int) $match[1];
863        }
864
865        $children = [];
866        foreach ($this->getSpouseFamilies() as $fam) {
867            foreach ($fam->getChildren() as $child) {
868                $children[$child->xref()] = true;
869            }
870        }
871
872        return count($children);
873    }
874
875    /**
876     * Get a list of this individual’s child families (i.e. their parents).
877     *
878     * @param int|null $access_level
879     *
880     * @return Family[]
881     */
882    public function getChildFamilies($access_level = null): array
883    {
884        if ($access_level === null) {
885            $access_level = Auth::accessLevel($this->tree);
886        }
887
888        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
889
890        $families = [];
891        foreach ($this->facts('FAMC', false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
892            $family = $fact->target();
893            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
894                $families[] = $family;
895            }
896        }
897
898        return $families;
899    }
900
901    /**
902     * Get the preferred parents for this individual.
903     *
904     * An individual may multiple parents (e.g. birth, adopted, disputed).
905     * The preferred family record is:
906     * (a) the first one with an explicit tag "_PRIMARY Y"
907     * (b) the first one with a pedigree of "birth"
908     * (c) the first one with no pedigree (default is "birth")
909     * (d) the first one found
910     *
911     * @return Family|null
912     */
913    public function getPrimaryChildFamily()
914    {
915        $families = $this->getChildFamilies();
916        switch (count($families)) {
917            case 0:
918                return null;
919            case 1:
920                return $families[0];
921            default:
922                // If there is more than one FAMC record, choose the preferred parents:
923                // a) records with '2 _PRIMARY'
924                foreach ($families as $fam) {
925                    $famid = $fam->xref();
926                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 _PRIMARY Y)/", $this->gedcom())) {
927                        return $fam;
928                    }
929                }
930                // b) records with '2 PEDI birt'
931                foreach ($families as $fam) {
932                    $famid = $fam->xref();
933                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI birth)/", $this->gedcom())) {
934                        return $fam;
935                    }
936                }
937                // c) records with no '2 PEDI'
938                foreach ($families as $fam) {
939                    $famid = $fam->xref();
940                    if (!preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI)/", $this->gedcom())) {
941                        return $fam;
942                    }
943                }
944
945                // d) any record
946                return $families[0];
947        }
948    }
949
950    /**
951     * Get a list of step-parent families.
952     *
953     * @return Family[]
954     */
955    public function getChildStepFamilies(): array
956    {
957        $step_families = [];
958        $families      = $this->getChildFamilies();
959        foreach ($families as $family) {
960            $father = $family->getHusband();
961            if ($father) {
962                foreach ($father->getSpouseFamilies() as $step_family) {
963                    if (!in_array($step_family, $families, true)) {
964                        $step_families[] = $step_family;
965                    }
966                }
967            }
968            $mother = $family->getWife();
969            if ($mother) {
970                foreach ($mother->getSpouseFamilies() as $step_family) {
971                    if (!in_array($step_family, $families, true)) {
972                        $step_families[] = $step_family;
973                    }
974                }
975            }
976        }
977
978        return $step_families;
979    }
980
981    /**
982     * Get a list of step-parent families.
983     *
984     * @return Family[]
985     */
986    public function getSpouseStepFamilies(): array
987    {
988        $step_families = [];
989        $families      = $this->getSpouseFamilies();
990        foreach ($families as $family) {
991            $spouse = $family->getSpouse($this);
992            if ($spouse) {
993                foreach ($family->getSpouse($this)->getSpouseFamilies() as $step_family) {
994                    if (!in_array($step_family, $families, true)) {
995                        $step_families[] = $step_family;
996                    }
997                }
998            }
999        }
1000
1001        return $step_families;
1002    }
1003
1004    /**
1005     * A label for a parental family group
1006     *
1007     * @param Family $family
1008     *
1009     * @return string
1010     */
1011    public function getChildFamilyLabel(Family $family)
1012    {
1013        if (preg_match('/\n1 FAMC @' . $family->xref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->gedcom(), $match)) {
1014            // A specified pedigree
1015            return GedcomCodePedi::getChildFamilyLabel($match[1]);
1016        }
1017
1018        // Default (birth) pedigree
1019        return GedcomCodePedi::getChildFamilyLabel('');
1020    }
1021
1022    /**
1023     * Create a label for a step family
1024     *
1025     * @param Family $step_family
1026     *
1027     * @return string
1028     */
1029    public function getStepFamilyLabel(Family $step_family): string
1030    {
1031        foreach ($this->getChildFamilies() as $family) {
1032            if ($family !== $step_family) {
1033                // Must be a step-family
1034                foreach ($family->getSpouses() as $parent) {
1035                    foreach ($step_family->getSpouses() as $step_parent) {
1036                        if ($parent === $step_parent) {
1037                            // One common parent - must be a step family
1038                            if ($parent->getSex() == 'M') {
1039                                // Father’s family with someone else
1040                                if ($step_family->getSpouse($step_parent)) {
1041                                    /* I18N: A step-family. %s is an individual’s name */
1042                                    return I18N::translate('Father’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
1043                                }
1044
1045                                /* I18N: A step-family. */
1046                                return I18N::translate('Father’s family with an unknown individual');
1047                            }
1048
1049                            // Mother’s family with someone else
1050                            if ($step_family->getSpouse($step_parent)) {
1051                                /* I18N: A step-family. %s is an individual’s name */
1052                                return I18N::translate('Mother’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
1053                            }
1054
1055                            /* I18N: A step-family. */
1056                            return I18N::translate('Mother’s family with an unknown individual');
1057                        }
1058                    }
1059                }
1060            }
1061        }
1062
1063        // Perahps same parents - but a different family record?
1064        return I18N::translate('Family with parents');
1065    }
1066
1067
1068    /**
1069     * Get the description for the family.
1070     *
1071     * For example, "XXX's family with new wife".
1072     *
1073     * @param Family $family
1074     *
1075     * @return string
1076     */
1077    public function getSpouseFamilyLabel(Family $family)
1078    {
1079        $spouse = $family->getSpouse($this);
1080        if ($spouse) {
1081            /* I18N: %s is the spouse name */
1082            return I18N::translate('Family with %s', $spouse->getFullName());
1083        }
1084
1085        return $family->getFullName();
1086    }
1087
1088    /**
1089     * get primary parents names for this individual
1090     *
1091     * @param string $classname optional css class
1092     * @param string $display   optional css style display
1093     *
1094     * @return string a div block with father & mother names
1095     */
1096    public function getPrimaryParentsNames($classname = '', $display = ''): string
1097    {
1098        $fam = $this->getPrimaryChildFamily();
1099        if (!$fam) {
1100            return '';
1101        }
1102        $txt = '<div';
1103        if ($classname) {
1104            $txt .= ' class="' . $classname . '"';
1105        }
1106        if ($display) {
1107            $txt .= ' style="display:' . $display . '"';
1108        }
1109        $txt .= '>';
1110        $husb = $fam->getHusband();
1111        if ($husb) {
1112            // Temporarily reset the 'prefered' display name, as we always
1113            // want the default name, not the one selected for display on the indilist.
1114            $primary = $husb->getPrimaryName();
1115            $husb->setPrimaryName(null);
1116            /* I18N: %s is the name of an individual’s father */
1117            $txt .= I18N::translate('Father: %s', $husb->getFullName()) . '<br>';
1118            $husb->setPrimaryName($primary);
1119        }
1120        $wife = $fam->getWife();
1121        if ($wife) {
1122            // Temporarily reset the 'prefered' display name, as we always
1123            // want the default name, not the one selected for display on the indilist.
1124            $primary = $wife->getPrimaryName();
1125            $wife->setPrimaryName(null);
1126            /* I18N: %s is the name of an individual’s mother */
1127            $txt .= I18N::translate('Mother: %s', $wife->getFullName());
1128            $wife->setPrimaryName($primary);
1129        }
1130        $txt .= '</div>';
1131
1132        return $txt;
1133    }
1134
1135    /** {@inheritdoc} */
1136    public function getFallBackName(): string
1137    {
1138        return '@P.N. /@N.N./';
1139    }
1140
1141    /**
1142     * Convert a name record into ‘full’ and ‘sort’ versions.
1143     * Use the NAME field to generate the ‘full’ version, as the
1144     * gedcom spec says that this is the individual’s name, as they would write it.
1145     * Use the SURN field to generate the sortable names. Note that this field
1146     * may also be used for the ‘true’ surname, perhaps spelt differently to that
1147     * recorded in the NAME field. e.g.
1148     *
1149     * 1 NAME Robert /de Gliderow/
1150     * 2 GIVN Robert
1151     * 2 SPFX de
1152     * 2 SURN CLITHEROW
1153     * 2 NICK The Bald
1154     *
1155     * full=>'Robert de Gliderow 'The Bald''
1156     * sort=>'CLITHEROW, ROBERT'
1157     *
1158     * Handle multiple surnames, either as;
1159     *
1160     * 1 NAME Carlos /Vasquez/ y /Sante/
1161     * or
1162     * 1 NAME Carlos /Vasquez y Sante/
1163     * 2 GIVN Carlos
1164     * 2 SURN Vasquez,Sante
1165     *
1166     * @param string $type
1167     * @param string $full
1168     * @param string $gedcom
1169     */
1170    protected function addName(string $type, string $full, string $gedcom)
1171    {
1172        ////////////////////////////////////////////////////////////////////////////
1173        // Extract the structured name parts - use for "sortable" names and indexes
1174        ////////////////////////////////////////////////////////////////////////////
1175
1176        $sublevel = 1 + (int) substr($gedcom, 0, 1);
1177        $GIVN = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1178        $SURN = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1179        $NICK = preg_match("/\n{$sublevel} NICK (.+)/", $gedcom, $match) ? $match[1] : '';
1180
1181        // SURN is an comma-separated list of surnames...
1182        if ($SURN !== '') {
1183            $SURNS = preg_split('/ *, */', $SURN);
1184        } else {
1185            $SURNS = [];
1186        }
1187
1188        // ...so is GIVN - but nobody uses it like that
1189        $GIVN = str_replace('/ *, */', ' ', $GIVN);
1190
1191        ////////////////////////////////////////////////////////////////////////////
1192        // Extract the components from NAME - use for the "full" names
1193        ////////////////////////////////////////////////////////////////////////////
1194
1195        // Fix bad slashes. e.g. 'John/Smith' => 'John/Smith/'
1196        if (substr_count($full, '/') % 2 === 1) {
1197            $full = $full . '/';
1198        }
1199
1200        // GEDCOM uses "//" to indicate an unknown surname
1201        $full = preg_replace('/\/\//', '/@N.N./', $full);
1202
1203        // Extract the surname.
1204        // Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1205        if (preg_match('/\/.*\//', $full, $match)) {
1206            $surname = str_replace('/', '', $match[0]);
1207        } else {
1208            $surname = '';
1209        }
1210
1211        // If we don’t have a SURN record, extract it from the NAME
1212        if (!$SURNS) {
1213            if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1214                // There can be many surnames, each wrapped with '/'
1215                $SURNS = $matches[1];
1216                foreach ($SURNS as $n => $SURN) {
1217                    // Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1218                    $SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1219                }
1220            } else {
1221                // It is valid not to have a surname at all
1222                $SURNS = [''];
1223            }
1224        }
1225
1226        // If we don’t have a GIVN record, extract it from the NAME
1227        if (!$GIVN) {
1228            $GIVN = preg_replace(
1229                [
1230                    '/ ?\/.*\/ ?/',
1231                    // remove surname
1232                    '/ ?".+"/',
1233                    // remove nickname
1234                    '/ {2,}/',
1235                    // multiple spaces, caused by the above
1236                    '/^ | $/',
1237                    // leading/trailing spaces, caused by the above
1238                ],
1239                [
1240                    ' ',
1241                    ' ',
1242                    ' ',
1243                    '',
1244                ],
1245                $full
1246            );
1247        }
1248
1249        // Add placeholder for unknown given name
1250        if (!$GIVN) {
1251            $GIVN = '@P.N.';
1252            $pos  = (int) strpos($full, '/');
1253            $full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1254        }
1255
1256        // GEDCOM 5.5.1 nicknames should be specificied in a NICK field
1257        // GEDCOM 5.5   nicknames should be specified in the NAME field, surrounded by quotes
1258        if ($NICK && strpos($full, '"' . $NICK . '"') === false) {
1259            // A NICK field is present, but not included in the NAME.  Show it at the end.
1260            $full .= ' "' . $NICK . '"';
1261        }
1262
1263        // Remove slashes - they don’t get displayed
1264        // $fullNN keeps the @N.N. placeholders, for the database
1265        // $full is for display on-screen
1266        $fullNN = str_replace('/', '', $full);
1267
1268        // Insert placeholders for any missing/unknown names
1269        $full = str_replace('@N.N.', I18N::translateContext('Unknown surname', '…'), $full);
1270        $full = str_replace('@P.N.', I18N::translateContext('Unknown given name', '…'), $full);
1271        // Format for display
1272        $full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', e($full)) . '</span>';
1273        // Localise quotation marks around the nickname
1274        $full = preg_replace_callback('/&quot;([^&]*)&quot;/', function (array $matches): string {
1275            return I18N::translate('“%s”', $matches[1]);
1276        }, $full);
1277
1278        // A suffix of “*” indicates a preferred name
1279        $full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1280
1281        // Remove prefered-name indicater - they don’t go in the database
1282        $GIVN   = str_replace('*', '', $GIVN);
1283        $fullNN = str_replace('*', '', $fullNN);
1284
1285        foreach ($SURNS as $SURN) {
1286            // Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1287            if (strcasecmp(substr($SURN, 0, 2), 'Mc') == 0) {
1288                $SURN = substr_replace($SURN, 'Mac', 0, 2);
1289            } elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') == 0) {
1290                $SURN = substr_replace($SURN, 'Mac', 0, 4);
1291            }
1292
1293            $this->getAllNames[] = [
1294                'type'    => $type,
1295                'sort'    => $SURN . ',' . $GIVN,
1296                'full'    => $full,
1297                // This is used for display
1298                'fullNN'  => $fullNN,
1299                // This goes into the database
1300                'surname' => $surname,
1301                // This goes into the database
1302                'givn'    => $GIVN,
1303                // This goes into the database
1304                'surn'    => $SURN,
1305                // This goes into the database
1306            ];
1307        }
1308    }
1309
1310    /**
1311     * Extract names from the GEDCOM record.
1312     *
1313     * @return void
1314     */
1315    public function extractNames()
1316    {
1317        $this->extractNamesFromFacts(
1318            1,
1319            'NAME',
1320            $this->facts(
1321                'NAME',
1322                false,
1323                Auth::accessLevel($this->tree),
1324                $this->canShowName()
1325            )
1326        );
1327    }
1328
1329    /**
1330     * Extra info to display when displaying this record in a list of
1331     * selection items or favorites.
1332     *
1333     * @return string
1334     */
1335    public function formatListDetails(): string
1336    {
1337        return
1338            $this->formatFirstMajorFact(WT_EVENTS_BIRT, 1) .
1339            $this->formatFirstMajorFact(WT_EVENTS_DEAT, 1);
1340    }
1341}
1342