xref: /webtrees/app/Individual.php (revision e9e853987811e8bd423dccf26f6ef57571f393eb)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2019 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees;
19
20use Closure;
21use Fisharebest\ExtCalendar\GregorianCalendar;
22use Fisharebest\Webtrees\GedcomCode\GedcomCodePedi;
23use Illuminate\Database\Capsule\Manager as DB;
24use stdClass;
25
26/**
27 * A GEDCOM individual (INDI) object.
28 */
29class Individual extends GedcomRecord
30{
31    public const RECORD_TYPE = 'INDI';
32
33    protected const ROUTE_NAME = 'individual';
34
35    /** @var int used in some lists to keep track of this individual’s generation in that list */
36    public $generation;
37
38    /** @var Date The estimated date of birth */
39    private $estimated_birth_date;
40
41    /** @var Date The estimated date of death */
42    private $estimated_death_date;
43
44    /**
45     * A closure which will create a record from a database row.
46     *
47     * @param Tree $tree
48     *
49     * @return Closure
50     */
51    public static function rowMapper(Tree $tree): Closure
52    {
53        return function (stdClass $row) use ($tree): Individual {
54            $individual = Individual::getInstance($row->i_id, $tree, $row->i_gedcom);
55
56            if ($row->n_num ?? null) {
57                $individual->setPrimaryName($row->n_num);
58            }
59
60            return $individual;
61        };
62    }
63
64    /**
65     * A closure which will compare individuals by birth date.
66     *
67     * @return Closure
68     */
69    public static function birthDateComparator(): Closure
70    {
71        return function (Individual $x, Individual $y): int {
72            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
73        };
74    }
75
76    /**
77     * A closure which will compare individuals by death date.
78     *
79     * @return Closure
80     */
81    public static function deathDateComparator(): Closure
82    {
83        return function (Individual $x, Individual $y): int {
84            return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
85        };
86    }
87
88    /**
89     * Get an instance of an individual object. For single records,
90     * we just receive the XREF. For bulk records (such as lists
91     * and search results) we can receive the GEDCOM data as well.
92     *
93     * @param string      $xref
94     * @param Tree        $tree
95     * @param string|null $gedcom
96     *
97     * @throws \Exception
98     * @return Individual|null
99     */
100    public static function getInstance(string $xref, Tree $tree, string $gedcom = null)
101    {
102        $record = parent::getInstance($xref, $tree, $gedcom);
103
104        if ($record instanceof Individual) {
105            return $record;
106        }
107
108        return null;
109    }
110
111    /**
112     * Sometimes, we'll know in advance that we need to load a set of records.
113     * Typically when we load families and their members.
114     *
115     * @param Tree     $tree
116     * @param string[] $xrefs
117     *
118     * @return void
119     */
120    public static function load(Tree $tree, array $xrefs): void
121    {
122        $rows = DB::table('individuals')
123            ->where('i_file', '=', $tree->id())
124            ->whereIn('i_id', array_unique($xrefs))
125            ->select(['i_id AS xref', 'i_gedcom AS gedcom'])
126            ->get();
127
128        foreach ($rows as $row) {
129            self::getInstance($row->xref, $tree, $row->gedcom);
130        }
131    }
132
133    /**
134     * Can the name of this record be shown?
135     *
136     * @param int|null $access_level
137     *
138     * @return bool
139     */
140    public function canShowName(int $access_level = null): bool
141    {
142        if ($access_level === null) {
143            $access_level = Auth::accessLevel($this->tree);
144        }
145
146        return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
147    }
148
149    /**
150     * Can this individual be shown?
151     *
152     * @param int $access_level
153     *
154     * @return bool
155     */
156    protected function canShowByType(int $access_level): bool
157    {
158        // Dead people...
159        if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
160            $keep_alive             = false;
161            $KEEP_ALIVE_YEARS_BIRTH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
162            if ($KEEP_ALIVE_YEARS_BIRTH) {
163                preg_match_all('/\n1 (?:' . implode('|', Gedcom::BIRTH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
164                foreach ($matches as $match) {
165                    $date = new Date($match[1]);
166                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
167                        $keep_alive = true;
168                        break;
169                    }
170                }
171            }
172            $KEEP_ALIVE_YEARS_DEATH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
173            if ($KEEP_ALIVE_YEARS_DEATH) {
174                preg_match_all('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
175                foreach ($matches as $match) {
176                    $date = new Date($match[1]);
177                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
178                        $keep_alive = true;
179                        break;
180                    }
181                }
182            }
183            if (!$keep_alive) {
184                return true;
185            }
186        }
187        // Consider relationship privacy (unless an admin is applying download restrictions)
188        $user_path_length = (int) $this->tree->getUserPreference(Auth::user(), 'RELATIONSHIP_PATH_LENGTH');
189        $gedcomid         = $this->tree->getUserPreference(Auth::user(), 'gedcomid');
190        if ($gedcomid !== '' && $user_path_length > 0) {
191            return self::isRelated($this, $user_path_length);
192        }
193
194        // No restriction found - show living people to members only:
195        return Auth::PRIV_USER >= $access_level;
196    }
197
198    /**
199     * For relationship privacy calculations - is this individual a close relative?
200     *
201     * @param Individual $target
202     * @param int        $distance
203     *
204     * @return bool
205     */
206    private static function isRelated(Individual $target, $distance): bool
207    {
208        static $cache = null;
209
210        $user_individual = self::getInstance($target->tree->getUserPreference(Auth::user(), 'gedcomid'), $target->tree);
211        if ($user_individual) {
212            if (!$cache) {
213                $cache = [
214                    0 => [$user_individual],
215                    1 => [],
216                ];
217                foreach ($user_individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
218                    $family = $fact->target();
219                    if ($family instanceof Family) {
220                        $cache[1][] = $family;
221                    }
222                }
223            }
224        } else {
225            // No individual linked to this account? Cannot use relationship privacy.
226            return true;
227        }
228
229        // Double the distance, as we count the INDI-FAM and FAM-INDI links separately
230        $distance *= 2;
231
232        // Consider each path length in turn
233        for ($n = 0; $n <= $distance; ++$n) {
234            if (array_key_exists($n, $cache)) {
235                // We have already calculated all records with this length
236                if ($n % 2 == 0 && in_array($target, $cache[$n], true)) {
237                    return true;
238                }
239            } else {
240                // Need to calculate these paths
241                $cache[$n] = [];
242                if ($n % 2 == 0) {
243                    // Add FAM->INDI links
244                    foreach ($cache[$n - 1] as $family) {
245                        foreach ($family->facts(['HUSB', 'WIFE', 'CHIL'], false, Auth::PRIV_HIDE) as $fact) {
246                            $individual = $fact->target();
247                            // Don’t backtrack
248                            if ($individual instanceof Individual && !in_array($individual, $cache[$n - 2], true)) {
249                                $cache[$n][] = $individual;
250                            }
251                        }
252                    }
253                    if (in_array($target, $cache[$n], true)) {
254                        return true;
255                    }
256                } else {
257                    // Add INDI->FAM links
258                    foreach ($cache[$n - 1] as $individual) {
259                        foreach ($individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
260                            $family = $fact->target();
261                            // Don’t backtrack
262                            if ($family instanceof Family && !in_array($family, $cache[$n - 2], true)) {
263                                $cache[$n][] = $family;
264                            }
265                        }
266                    }
267                }
268            }
269        }
270
271        return false;
272    }
273
274    /**
275     * Generate a private version of this record
276     *
277     * @param int $access_level
278     *
279     * @return string
280     */
281    protected function createPrivateGedcomRecord(int $access_level): string
282    {
283        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
284
285        $rec = '0 @' . $this->xref . '@ INDI';
286        if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
287            // Show all the NAME tags, including subtags
288            foreach ($this->facts(['NAME']) as $fact) {
289                $rec .= "\n" . $fact->gedcom();
290            }
291        }
292        // Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
293        preg_match_all('/\n1 (?:FAMC|FAMS) @(' . Gedcom::REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
294        foreach ($matches as $match) {
295            $rela = Family::getInstance($match[1], $this->tree);
296            if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
297                $rec .= $match[0];
298            }
299        }
300        // Don’t privatize sex.
301        if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
302            $rec .= $match[0];
303        }
304
305        return $rec;
306    }
307
308    /**
309     * Fetch data from the database
310     *
311     * @param string $xref
312     * @param int    $tree_id
313     *
314     * @return null|string
315     */
316    protected static function fetchGedcomRecord(string $xref, int $tree_id)
317    {
318        return DB::table('individuals')
319            ->where('i_id', '=', $xref)
320            ->where('i_file', '=', $tree_id)
321            ->value('i_gedcom');
322    }
323
324    /**
325     * Calculate whether this individual is living or dead.
326     * If not known to be dead, then assume living.
327     *
328     * @return bool
329     */
330    public function isDead(): bool
331    {
332        $MAX_ALIVE_AGE = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
333
334        // "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
335        if (preg_match('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
336            return true;
337        }
338
339        // If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
340        if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
341            foreach ($date_matches[1] as $date_match) {
342                $date = new Date($date_match);
343                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * $MAX_ALIVE_AGE) {
344                    return true;
345                }
346            }
347            // The individual has one or more dated events. All are less than $MAX_ALIVE_AGE years ago.
348            // If one of these is a birth, the individual must be alive.
349            if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
350                return false;
351            }
352        }
353
354        // If we found no conclusive dates then check the dates of close relatives.
355
356        // Check parents (birth and adopted)
357        foreach ($this->getChildFamilies(Auth::PRIV_HIDE) as $family) {
358            foreach ($family->getSpouses(Auth::PRIV_HIDE) as $parent) {
359                // Assume parents are no more than 45 years older than their children
360                preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
361                foreach ($date_matches[1] as $date_match) {
362                    $date = new Date($date_match);
363                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 45)) {
364                        return true;
365                    }
366                }
367            }
368        }
369
370        // Check spouses
371        foreach ($this->getSpouseFamilies(Auth::PRIV_HIDE) as $family) {
372            preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
373            foreach ($date_matches[1] as $date_match) {
374                $date = new Date($date_match);
375                // Assume marriage occurs after age of 10
376                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 10)) {
377                    return true;
378                }
379            }
380            // Check spouse dates
381            $spouse = $family->getSpouse($this, Auth::PRIV_HIDE);
382            if ($spouse) {
383                preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
384                foreach ($date_matches[1] as $date_match) {
385                    $date = new Date($date_match);
386                    // Assume max age difference between spouses of 40 years
387                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 40)) {
388                        return true;
389                    }
390                }
391            }
392            // Check child dates
393            foreach ($family->getChildren(Auth::PRIV_HIDE) as $child) {
394                preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
395                // Assume children born after age of 15
396                foreach ($date_matches[1] as $date_match) {
397                    $date = new Date($date_match);
398                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 15)) {
399                        return true;
400                    }
401                }
402                // Check grandchildren
403                foreach ($child->getSpouseFamilies(Auth::PRIV_HIDE) as $child_family) {
404                    foreach ($child_family->getChildren(Auth::PRIV_HIDE) as $grandchild) {
405                        preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
406                        // Assume grandchildren born after age of 30
407                        foreach ($date_matches[1] as $date_match) {
408                            $date = new Date($date_match);
409                            if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 30)) {
410                                return true;
411                            }
412                        }
413                    }
414                }
415            }
416        }
417
418        return false;
419    }
420
421    /**
422     * Find the highlighted media object for an individual
423     *
424     * @return null|MediaFile
425     */
426    public function findHighlightedMediaFile()
427    {
428        foreach ($this->facts(['OBJE']) as $fact) {
429            $media = $fact->target();
430            if ($media instanceof Media) {
431                foreach ($media->mediaFiles() as $media_file) {
432                    if ($media_file->isImage() && !$media_file->isExternal()) {
433                        return $media_file;
434                    }
435                }
436            }
437        }
438
439        return null;
440    }
441
442    /**
443     * Display the prefered image for this individual.
444     * Use an icon if no image is available.
445     *
446     * @param int      $width      Pixels
447     * @param int      $height     Pixels
448     * @param string   $fit        "crop" or "contain"
449     * @param string[] $attributes Additional HTML attributes
450     *
451     * @return string
452     */
453    public function displayImage($width, $height, $fit, $attributes): string
454    {
455        $media_file = $this->findHighlightedMediaFile();
456
457        if ($media_file !== null) {
458            return $media_file->displayImage($width, $height, $fit, $attributes);
459        }
460
461        if ($this->tree->getPreference('USE_SILHOUETTE')) {
462            return '<i class="icon-silhouette-' . $this->getSex() . '"></i>';
463        }
464
465        return '';
466    }
467
468    /**
469     * Get the date of birth
470     *
471     * @return Date
472     */
473    public function getBirthDate(): Date
474    {
475        foreach ($this->getAllBirthDates() as $date) {
476            if ($date->isOK()) {
477                return $date;
478            }
479        }
480
481        return new Date('');
482    }
483
484    /**
485     * Get the place of birth
486     *
487     * @return Place
488     */
489    public function getBirthPlace(): Place
490    {
491        foreach ($this->getAllBirthPlaces() as $place) {
492            return $place;
493        }
494
495        return new Place('', $this->tree);
496    }
497
498    /**
499     * Get the year of birth
500     *
501     * @return string the year of birth
502     */
503    public function getBirthYear(): string
504    {
505        return $this->getBirthDate()->minimumDate()->format('%Y');
506    }
507
508    /**
509     * Get the date of death
510     *
511     * @return Date
512     */
513    public function getDeathDate(): Date
514    {
515        foreach ($this->getAllDeathDates() as $date) {
516            if ($date->isOK()) {
517                return $date;
518            }
519        }
520
521        return new Date('');
522    }
523
524    /**
525     * Get the place of death
526     *
527     * @return Place
528     */
529    public function getDeathPlace(): Place
530    {
531        foreach ($this->getAllDeathPlaces() as $place) {
532            return $place;
533        }
534
535        return new Place('', $this->tree);
536    }
537
538    /**
539     * get the death year
540     *
541     * @return string the year of death
542     */
543    public function getDeathYear(): string
544    {
545        return $this->getDeathDate()->minimumDate()->format('%Y');
546    }
547
548    /**
549     * Get the range of years in which a individual lived. e.g. “1870–”, “1870–1920”, “–1920”.
550     * Provide the place and full date using a tooltip.
551     * For consistent layout in charts, etc., show just a “–” when no dates are known.
552     * Note that this is a (non-breaking) en-dash, and not a hyphen.
553     *
554     * @return string
555     */
556    public function getLifeSpan(): string
557    {
558        // Just the first part of the place name
559        $birth_place = strip_tags($this->getBirthPlace()->getShortName());
560        $death_place = strip_tags($this->getDeathPlace()->getShortName());
561        // Remove markup from dates
562        $birth_date = strip_tags($this->getBirthDate()->display());
563        $death_date = strip_tags($this->getDeathDate()->display());
564
565        /* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */
566        return
567            I18N::translate(
568                '%1$s–%2$s',
569                '<span title="' . $birth_place . ' ' . $birth_date . '">' . $this->getBirthYear() . '</span>',
570                '<span title="' . $death_place . ' ' . $death_date . '">' . $this->getDeathYear() . '</span>'
571            );
572    }
573
574    /**
575     * Get all the birth dates - for the individual lists.
576     *
577     * @return Date[]
578     */
579    public function getAllBirthDates(): array
580    {
581        foreach (Gedcom::BIRTH_EVENTS as $event) {
582            $tmp = $this->getAllEventDates([$event]);
583            if ($tmp) {
584                return $tmp;
585            }
586        }
587
588        return [];
589    }
590
591    /**
592     * Gat all the birth places - for the individual lists.
593     *
594     * @return Place[]
595     */
596    public function getAllBirthPlaces(): array
597    {
598        foreach (Gedcom::BIRTH_EVENTS as $event) {
599            $places = $this->getAllEventPlaces([$event]);
600            if (!empty($places)) {
601                return $places;
602            }
603        }
604
605        return [];
606    }
607
608    /**
609     * Get all the death dates - for the individual lists.
610     *
611     * @return Date[]
612     */
613    public function getAllDeathDates(): array
614    {
615        foreach (Gedcom::DEATH_EVENTS as $event) {
616            $tmp = $this->getAllEventDates([$event]);
617            if ($tmp) {
618                return $tmp;
619            }
620        }
621
622        return [];
623    }
624
625    /**
626     * Get all the death places - for the individual lists.
627     *
628     * @return Place[]
629     */
630    public function getAllDeathPlaces(): array
631    {
632        foreach (Gedcom::DEATH_EVENTS as $event) {
633            $places = $this->getAllEventPlaces([$event]);
634            if (!empty($places)) {
635                return $places;
636            }
637        }
638
639        return [];
640    }
641
642    /**
643     * Generate an estimate for the date of birth, based on dates of parents/children/spouses
644     *
645     * @return Date
646     */
647    public function getEstimatedBirthDate(): Date
648    {
649        if ($this->estimated_birth_date === null) {
650            foreach ($this->getAllBirthDates() as $date) {
651                if ($date->isOK()) {
652                    $this->estimated_birth_date = $date;
653                    break;
654                }
655            }
656            if ($this->estimated_birth_date === null) {
657                $min = [];
658                $max = [];
659                $tmp = $this->getDeathDate();
660                if ($tmp->isOK()) {
661                    $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
662                    $max[] = $tmp->maximumJulianDay();
663                }
664                foreach ($this->getChildFamilies() as $family) {
665                    $tmp = $family->getMarriageDate();
666                    if ($tmp->isOK()) {
667                        $min[] = $tmp->maximumJulianDay() - 365 * 1;
668                        $max[] = $tmp->minimumJulianDay() + 365 * 30;
669                    }
670                    $husband = $family->getHusband();
671                    if ($husband instanceof Individual) {
672                        $tmp = $husband->getBirthDate();
673                        if ($tmp->isOK()) {
674                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
675                            $max[] = $tmp->minimumJulianDay() + 365 * 65;
676                        }
677                    }
678                    $wife = $family->getWife();
679                    if ($wife instanceof Individual) {
680                        $tmp = $wife->getBirthDate();
681                        if ($tmp->isOK()) {
682                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
683                            $max[] = $tmp->minimumJulianDay() + 365 * 45;
684                        }
685                    }
686                    foreach ($family->getChildren() as $child) {
687                        $tmp = $child->getBirthDate();
688                        if ($tmp->isOK()) {
689                            $min[] = $tmp->maximumJulianDay() - 365 * 30;
690                            $max[] = $tmp->minimumJulianDay() + 365 * 30;
691                        }
692                    }
693                }
694                foreach ($this->getSpouseFamilies() as $family) {
695                    $tmp = $family->getMarriageDate();
696                    if ($tmp->isOK()) {
697                        $min[] = $tmp->maximumJulianDay() - 365 * 45;
698                        $max[] = $tmp->minimumJulianDay() - 365 * 15;
699                    }
700                    $spouse = $family->getSpouse($this);
701                    if ($spouse) {
702                        $tmp = $spouse->getBirthDate();
703                        if ($tmp->isOK()) {
704                            $min[] = $tmp->maximumJulianDay() - 365 * 25;
705                            $max[] = $tmp->minimumJulianDay() + 365 * 25;
706                        }
707                    }
708                    foreach ($family->getChildren() as $child) {
709                        $tmp = $child->getBirthDate();
710                        if ($tmp->isOK()) {
711                            $min[] = $tmp->maximumJulianDay() - 365 * ($this->getSex() == 'F' ? 45 : 65);
712                            $max[] = $tmp->minimumJulianDay() - 365 * 15;
713                        }
714                    }
715                }
716                if ($min && $max) {
717                    $gregorian_calendar = new GregorianCalendar();
718
719                    [$year] = $gregorian_calendar->jdToYmd(intdiv(max($min) + min($max), 2));
720                    $this->estimated_birth_date = new Date('EST ' . $year);
721                } else {
722                    $this->estimated_birth_date = new Date(''); // always return a date object
723                }
724            }
725        }
726
727        return $this->estimated_birth_date;
728    }
729
730    /**
731     * Generate an estimated date of death.
732     *
733     * @return Date
734     */
735    public function getEstimatedDeathDate(): Date
736    {
737        if ($this->estimated_death_date === null) {
738            foreach ($this->getAllDeathDates() as $date) {
739                if ($date->isOK()) {
740                    $this->estimated_death_date = $date;
741                    break;
742                }
743            }
744            if ($this->estimated_death_date === null) {
745                if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
746                    $max_alive_age              = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
747                    $this->estimated_death_date = $this->getEstimatedBirthDate()->addYears($max_alive_age, 'BEF');
748                } else {
749                    $this->estimated_death_date = new Date(''); // always return a date object
750                }
751            }
752        }
753
754        return $this->estimated_death_date;
755    }
756
757    /**
758     * Get the sex - M F or U
759     * Use the un-privatised gedcom record. We call this function during
760     * the privatize-gedcom function, and we are allowed to know this.
761     *
762     * @return string
763     */
764    public function getSex()
765    {
766        if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
767            return $match[1];
768        }
769
770        return 'U';
771    }
772
773    /**
774     * Get the individual’s sex image
775     *
776     * @param string $size
777     *
778     * @return string
779     */
780    public function getSexImage($size = 'small'): string
781    {
782        return self::sexImage($this->getSex(), $size);
783    }
784
785    /**
786     * Generate a sex icon/image
787     *
788     * @param string $sex
789     * @param string $size
790     *
791     * @return string
792     */
793    public static function sexImage($sex, $size = 'small'): string
794    {
795        return '<i class="icon-sex_' . strtolower($sex) . '_' . ($size == 'small' ? '9x9' : '15x15') . '"></i>';
796    }
797
798    /**
799     * Generate the CSS class to be used for drawing this individual
800     *
801     * @return string
802     */
803    public function getBoxStyle(): string
804    {
805        $tmp = [
806            'M' => '',
807            'F' => 'F',
808            'U' => 'NN',
809        ];
810
811        return 'person_box' . $tmp[$this->getSex()];
812    }
813
814    /**
815     * Get a list of this individual’s spouse families
816     *
817     * @param int|null $access_level
818     *
819     * @return Family[]
820     */
821    public function getSpouseFamilies($access_level = null): array
822    {
823        if ($access_level === null) {
824            $access_level = Auth::accessLevel($this->tree);
825        }
826
827        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
828
829        $families = [];
830        foreach ($this->facts(['FAMS'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
831            $family = $fact->target();
832            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
833                $families[] = $family;
834            }
835        }
836
837        return $families;
838    }
839
840    /**
841     * Get the current spouse of this individual.
842     *
843     * Where an individual has multiple spouses, assume they are stored
844     * in chronological order, and take the last one found.
845     *
846     * @return Individual|null
847     */
848    public function getCurrentSpouse()
849    {
850        $tmp    = $this->getSpouseFamilies();
851        $family = end($tmp);
852        if ($family) {
853            return $family->getSpouse($this);
854        }
855
856        return null;
857    }
858
859    /**
860     * Count the children belonging to this individual.
861     *
862     * @return int
863     */
864    public function getNumberOfChildren()
865    {
866        if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->gedcom(), $match)) {
867            return (int) $match[1];
868        }
869
870        $children = [];
871        foreach ($this->getSpouseFamilies() as $fam) {
872            foreach ($fam->getChildren() as $child) {
873                $children[$child->xref()] = true;
874            }
875        }
876
877        return count($children);
878    }
879
880    /**
881     * Get a list of this individual’s child families (i.e. their parents).
882     *
883     * @param int|null $access_level
884     *
885     * @return Family[]
886     */
887    public function getChildFamilies($access_level = null): array
888    {
889        if ($access_level === null) {
890            $access_level = Auth::accessLevel($this->tree);
891        }
892
893        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
894
895        $families = [];
896        foreach ($this->facts(['FAMC'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
897            $family = $fact->target();
898            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
899                $families[] = $family;
900            }
901        }
902
903        return $families;
904    }
905
906    /**
907     * Get the preferred parents for this individual.
908     *
909     * An individual may multiple parents (e.g. birth, adopted, disputed).
910     * The preferred family record is:
911     * (a) the first one with an explicit tag "_PRIMARY Y"
912     * (b) the first one with a pedigree of "birth"
913     * (c) the first one with no pedigree (default is "birth")
914     * (d) the first one found
915     *
916     * @return Family|null
917     */
918    public function getPrimaryChildFamily()
919    {
920        $families = $this->getChildFamilies();
921        switch (count($families)) {
922            case 0:
923                return null;
924            case 1:
925                return $families[0];
926            default:
927                // If there is more than one FAMC record, choose the preferred parents:
928                // a) records with '2 _PRIMARY'
929                foreach ($families as $fam) {
930                    $famid = $fam->xref();
931                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 _PRIMARY Y)/", $this->gedcom())) {
932                        return $fam;
933                    }
934                }
935                // b) records with '2 PEDI birt'
936                foreach ($families as $fam) {
937                    $famid = $fam->xref();
938                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI birth)/", $this->gedcom())) {
939                        return $fam;
940                    }
941                }
942                // c) records with no '2 PEDI'
943                foreach ($families as $fam) {
944                    $famid = $fam->xref();
945                    if (!preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI)/", $this->gedcom())) {
946                        return $fam;
947                    }
948                }
949
950                // d) any record
951                return $families[0];
952        }
953    }
954
955    /**
956     * Get a list of step-parent families.
957     *
958     * @return Family[]
959     */
960    public function getChildStepFamilies(): array
961    {
962        $step_families = [];
963        $families      = $this->getChildFamilies();
964        foreach ($families as $family) {
965            $father = $family->getHusband();
966            if ($father) {
967                foreach ($father->getSpouseFamilies() as $step_family) {
968                    if (!in_array($step_family, $families, true)) {
969                        $step_families[] = $step_family;
970                    }
971                }
972            }
973            $mother = $family->getWife();
974            if ($mother) {
975                foreach ($mother->getSpouseFamilies() as $step_family) {
976                    if (!in_array($step_family, $families, true)) {
977                        $step_families[] = $step_family;
978                    }
979                }
980            }
981        }
982
983        return $step_families;
984    }
985
986    /**
987     * Get a list of step-parent families.
988     *
989     * @return Family[]
990     */
991    public function getSpouseStepFamilies(): array
992    {
993        $step_families = [];
994        $families      = $this->getSpouseFamilies();
995        foreach ($families as $family) {
996            $spouse = $family->getSpouse($this);
997            if ($spouse) {
998                foreach ($family->getSpouse($this)->getSpouseFamilies() as $step_family) {
999                    if (!in_array($step_family, $families, true)) {
1000                        $step_families[] = $step_family;
1001                    }
1002                }
1003            }
1004        }
1005
1006        return $step_families;
1007    }
1008
1009    /**
1010     * A label for a parental family group
1011     *
1012     * @param Family $family
1013     *
1014     * @return string
1015     */
1016    public function getChildFamilyLabel(Family $family)
1017    {
1018        if (preg_match('/\n1 FAMC @' . $family->xref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->gedcom(), $match)) {
1019            // A specified pedigree
1020            return GedcomCodePedi::getChildFamilyLabel($match[1]);
1021        }
1022
1023        // Default (birth) pedigree
1024        return GedcomCodePedi::getChildFamilyLabel('');
1025    }
1026
1027    /**
1028     * Create a label for a step family
1029     *
1030     * @param Family $step_family
1031     *
1032     * @return string
1033     */
1034    public function getStepFamilyLabel(Family $step_family): string
1035    {
1036        foreach ($this->getChildFamilies() as $family) {
1037            if ($family !== $step_family) {
1038                // Must be a step-family
1039                foreach ($family->getSpouses() as $parent) {
1040                    foreach ($step_family->getSpouses() as $step_parent) {
1041                        if ($parent === $step_parent) {
1042                            // One common parent - must be a step family
1043                            if ($parent->getSex() == 'M') {
1044                                // Father’s family with someone else
1045                                if ($step_family->getSpouse($step_parent)) {
1046                                    /* I18N: A step-family. %s is an individual’s name */
1047                                    return I18N::translate('Father’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
1048                                }
1049
1050                                /* I18N: A step-family. */
1051                                return I18N::translate('Father’s family with an unknown individual');
1052                            }
1053
1054                            // Mother’s family with someone else
1055                            if ($step_family->getSpouse($step_parent)) {
1056                                /* I18N: A step-family. %s is an individual’s name */
1057                                return I18N::translate('Mother’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
1058                            }
1059
1060                            /* I18N: A step-family. */
1061                            return I18N::translate('Mother’s family with an unknown individual');
1062                        }
1063                    }
1064                }
1065            }
1066        }
1067
1068        // Perahps same parents - but a different family record?
1069        return I18N::translate('Family with parents');
1070    }
1071
1072    /**
1073     * Get the description for the family.
1074     *
1075     * For example, "XXX's family with new wife".
1076     *
1077     * @param Family $family
1078     *
1079     * @return string
1080     */
1081    public function getSpouseFamilyLabel(Family $family)
1082    {
1083        $spouse = $family->getSpouse($this);
1084        if ($spouse) {
1085            /* I18N: %s is the spouse name */
1086            return I18N::translate('Family with %s', $spouse->getFullName());
1087        }
1088
1089        return $family->getFullName();
1090    }
1091
1092    /**
1093     * get primary parents names for this individual
1094     *
1095     * @param string $classname optional css class
1096     * @param string $display   optional css style display
1097     *
1098     * @return string a div block with father & mother names
1099     */
1100    public function getPrimaryParentsNames($classname = '', $display = ''): string
1101    {
1102        $fam = $this->getPrimaryChildFamily();
1103        if (!$fam) {
1104            return '';
1105        }
1106        $txt = '<div';
1107        if ($classname) {
1108            $txt .= ' class="' . $classname . '"';
1109        }
1110        if ($display) {
1111            $txt .= ' style="display:' . $display . '"';
1112        }
1113        $txt .= '>';
1114        $husb = $fam->getHusband();
1115        if ($husb) {
1116            // Temporarily reset the 'prefered' display name, as we always
1117            // want the default name, not the one selected for display on the indilist.
1118            $primary = $husb->getPrimaryName();
1119            $husb->setPrimaryName(null);
1120            /* I18N: %s is the name of an individual’s father */
1121            $txt .= I18N::translate('Father: %s', $husb->getFullName()) . '<br>';
1122            $husb->setPrimaryName($primary);
1123        }
1124        $wife = $fam->getWife();
1125        if ($wife) {
1126            // Temporarily reset the 'prefered' display name, as we always
1127            // want the default name, not the one selected for display on the indilist.
1128            $primary = $wife->getPrimaryName();
1129            $wife->setPrimaryName(null);
1130            /* I18N: %s is the name of an individual’s mother */
1131            $txt .= I18N::translate('Mother: %s', $wife->getFullName());
1132            $wife->setPrimaryName($primary);
1133        }
1134        $txt .= '</div>';
1135
1136        return $txt;
1137    }
1138
1139    /** {@inheritdoc} */
1140    public function getFallBackName(): string
1141    {
1142        return '@P.N. /@N.N./';
1143    }
1144
1145    /**
1146     * Convert a name record into ‘full’ and ‘sort’ versions.
1147     * Use the NAME field to generate the ‘full’ version, as the
1148     * gedcom spec says that this is the individual’s name, as they would write it.
1149     * Use the SURN field to generate the sortable names. Note that this field
1150     * may also be used for the ‘true’ surname, perhaps spelt differently to that
1151     * recorded in the NAME field. e.g.
1152     *
1153     * 1 NAME Robert /de Gliderow/
1154     * 2 GIVN Robert
1155     * 2 SPFX de
1156     * 2 SURN CLITHEROW
1157     * 2 NICK The Bald
1158     *
1159     * full=>'Robert de Gliderow 'The Bald''
1160     * sort=>'CLITHEROW, ROBERT'
1161     *
1162     * Handle multiple surnames, either as;
1163     *
1164     * 1 NAME Carlos /Vasquez/ y /Sante/
1165     * or
1166     * 1 NAME Carlos /Vasquez y Sante/
1167     * 2 GIVN Carlos
1168     * 2 SURN Vasquez,Sante
1169     *
1170     * @param string $type
1171     * @param string $full
1172     * @param string $gedcom
1173     */
1174    protected function addName(string $type, string $full, string $gedcom)
1175    {
1176        ////////////////////////////////////////////////////////////////////////////
1177        // Extract the structured name parts - use for "sortable" names and indexes
1178        ////////////////////////////////////////////////////////////////////////////
1179
1180        $sublevel = 1 + (int) substr($gedcom, 0, 1);
1181        $GIVN     = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1182        $SURN     = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1183        $NICK     = preg_match("/\n{$sublevel} NICK (.+)/", $gedcom, $match) ? $match[1] : '';
1184
1185        // SURN is an comma-separated list of surnames...
1186        if ($SURN !== '') {
1187            $SURNS = preg_split('/ *, */', $SURN);
1188        } else {
1189            $SURNS = [];
1190        }
1191
1192        // ...so is GIVN - but nobody uses it like that
1193        $GIVN = str_replace('/ *, */', ' ', $GIVN);
1194
1195        ////////////////////////////////////////////////////////////////////////////
1196        // Extract the components from NAME - use for the "full" names
1197        ////////////////////////////////////////////////////////////////////////////
1198
1199        // Fix bad slashes. e.g. 'John/Smith' => 'John/Smith/'
1200        if (substr_count($full, '/') % 2 === 1) {
1201            $full = $full . '/';
1202        }
1203
1204        // GEDCOM uses "//" to indicate an unknown surname
1205        $full = preg_replace('/\/\//', '/@N.N./', $full);
1206
1207        // Extract the surname.
1208        // Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1209        if (preg_match('/\/.*\//', $full, $match)) {
1210            $surname = str_replace('/', '', $match[0]);
1211        } else {
1212            $surname = '';
1213        }
1214
1215        // If we don’t have a SURN record, extract it from the NAME
1216        if (!$SURNS) {
1217            if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1218                // There can be many surnames, each wrapped with '/'
1219                $SURNS = $matches[1];
1220                foreach ($SURNS as $n => $SURN) {
1221                    // Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1222                    $SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1223                }
1224            } else {
1225                // It is valid not to have a surname at all
1226                $SURNS = [''];
1227            }
1228        }
1229
1230        // If we don’t have a GIVN record, extract it from the NAME
1231        if (!$GIVN) {
1232            $GIVN = preg_replace(
1233                [
1234                    '/ ?\/.*\/ ?/',
1235                    // remove surname
1236                    '/ ?".+"/',
1237                    // remove nickname
1238                    '/ {2,}/',
1239                    // multiple spaces, caused by the above
1240                    '/^ | $/',
1241                    // leading/trailing spaces, caused by the above
1242                ],
1243                [
1244                    ' ',
1245                    ' ',
1246                    ' ',
1247                    '',
1248                ],
1249                $full
1250            );
1251        }
1252
1253        // Add placeholder for unknown given name
1254        if (!$GIVN) {
1255            $GIVN = '@P.N.';
1256            $pos  = (int) strpos($full, '/');
1257            $full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1258        }
1259
1260        // GEDCOM 5.5.1 nicknames should be specificied in a NICK field
1261        // GEDCOM 5.5   nicknames should be specified in the NAME field, surrounded by quotes
1262        if ($NICK && strpos($full, '"' . $NICK . '"') === false) {
1263            // A NICK field is present, but not included in the NAME.  Show it at the end.
1264            $full .= ' "' . $NICK . '"';
1265        }
1266
1267        // Remove slashes - they don’t get displayed
1268        // $fullNN keeps the @N.N. placeholders, for the database
1269        // $full is for display on-screen
1270        $fullNN = str_replace('/', '', $full);
1271
1272        // Insert placeholders for any missing/unknown names
1273        $full = str_replace('@N.N.', I18N::translateContext('Unknown surname', '…'), $full);
1274        $full = str_replace('@P.N.', I18N::translateContext('Unknown given name', '…'), $full);
1275        // Format for display
1276        $full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', e($full)) . '</span>';
1277        // Localise quotation marks around the nickname
1278        $full = preg_replace_callback('/&quot;([^&]*)&quot;/', function (array $matches): string {
1279            return I18N::translate('“%s”', $matches[1]);
1280        }, $full);
1281
1282        // A suffix of “*” indicates a preferred name
1283        $full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1284
1285        // Remove prefered-name indicater - they don’t go in the database
1286        $GIVN   = str_replace('*', '', $GIVN);
1287        $fullNN = str_replace('*', '', $fullNN);
1288
1289        foreach ($SURNS as $SURN) {
1290            // Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1291            if (strcasecmp(substr($SURN, 0, 2), 'Mc') == 0) {
1292                $SURN = substr_replace($SURN, 'Mac', 0, 2);
1293            } elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') == 0) {
1294                $SURN = substr_replace($SURN, 'Mac', 0, 4);
1295            }
1296
1297            $this->getAllNames[] = [
1298                'type'    => $type,
1299                'sort'    => $SURN . ',' . $GIVN,
1300                'full'    => $full,
1301                // This is used for display
1302                'fullNN'  => $fullNN,
1303                // This goes into the database
1304                'surname' => $surname,
1305                // This goes into the database
1306                'givn'    => $GIVN,
1307                // This goes into the database
1308                'surn'    => $SURN,
1309                // This goes into the database
1310            ];
1311        }
1312    }
1313
1314    /**
1315     * Extract names from the GEDCOM record.
1316     *
1317     * @return void
1318     */
1319    public function extractNames()
1320    {
1321        $this->extractNamesFromFacts(
1322            1,
1323            'NAME',
1324            $this->facts(
1325                ['NAME'],
1326                false,
1327                Auth::accessLevel($this->tree),
1328                $this->canShowName()
1329            )
1330        );
1331    }
1332
1333    /**
1334     * Extra info to display when displaying this record in a list of
1335     * selection items or favorites.
1336     *
1337     * @return string
1338     */
1339    public function formatListDetails(): string
1340    {
1341        return
1342            $this->formatFirstMajorFact(Gedcom::BIRTH_EVENTS, 1) .
1343            $this->formatFirstMajorFact(Gedcom::DEATH_EVENTS, 1);
1344    }
1345}
1346