xref: /webtrees/app/Individual.php (revision a052b5c627807c42c2daf5c1237144d6c4ef29c9)
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;
22use Illuminate\Database\Capsule\Manager as DB;
23
24/**
25 * A GEDCOM individual (INDI) object.
26 */
27class Individual extends GedcomRecord
28{
29    const RECORD_TYPE = 'INDI';
30    const ROUTE_NAME  = 'individual';
31
32    /** @var int used in some lists to keep track of this individual’s generation in that list */
33    public $generation;
34
35    /** @var Date The estimated date of birth */
36    private $estimated_birth_date;
37
38    /** @var Date The estimated date of death */
39    private $estimated_death_date;
40
41    /**
42     * Get an instance of an individual object. For single records,
43     * we just receive the XREF. For bulk records (such as lists
44     * and search results) we can receive the GEDCOM data as well.
45     *
46     * @param string      $xref
47     * @param Tree        $tree
48     * @param string|null $gedcom
49     *
50     * @throws \Exception
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): void
74    {
75        $rows = DB::table('individuals')
76            ->where('i_file', '=', $tree->id())
77            ->whereIn('i_id', array_unique($xrefs))
78            ->select(['i_id AS xref', 'i_gedcom AS gedcom'])
79            ->get();
80
81        foreach ($rows as $row) {
82            self::getInstance($row->xref, $tree, $row->gedcom);
83        }
84    }
85
86    /**
87     * Can the name of this record be shown?
88     *
89     * @param int|null $access_level
90     *
91     * @return bool
92     */
93    public function canShowName(int $access_level = null): bool
94    {
95        if ($access_level === null) {
96            $access_level = Auth::accessLevel($this->tree);
97        }
98
99        return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
100    }
101
102    /**
103     * Can this individual be shown?
104     *
105     * @param int $access_level
106     *
107     * @return bool
108     */
109    protected function canShowByType(int $access_level): bool
110    {
111        // Dead people...
112        if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
113            $keep_alive             = false;
114            $KEEP_ALIVE_YEARS_BIRTH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
115            if ($KEEP_ALIVE_YEARS_BIRTH) {
116                preg_match_all('/\n1 (?:' . implode('|', Gedcom::BIRTH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
117                foreach ($matches as $match) {
118                    $date = new Date($match[1]);
119                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
120                        $keep_alive = true;
121                        break;
122                    }
123                }
124            }
125            $KEEP_ALIVE_YEARS_DEATH = (int) $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
126            if ($KEEP_ALIVE_YEARS_DEATH) {
127                preg_match_all('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
128                foreach ($matches as $match) {
129                    $date = new Date($match[1]);
130                    if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
131                        $keep_alive = true;
132                        break;
133                    }
134                }
135            }
136            if (!$keep_alive) {
137                return true;
138            }
139        }
140        // Consider relationship privacy (unless an admin is applying download restrictions)
141        $user_path_length = (int) $this->tree->getUserPreference(Auth::user(), 'RELATIONSHIP_PATH_LENGTH');
142        $gedcomid         = $this->tree->getUserPreference(Auth::user(), 'gedcomid');
143        if ($gedcomid !== '' && $user_path_length > 0) {
144            return self::isRelated($this, $user_path_length);
145        }
146
147        // No restriction found - show living people to members only:
148        return Auth::PRIV_USER >= $access_level;
149    }
150
151    /**
152     * For relationship privacy calculations - is this individual a close relative?
153     *
154     * @param Individual $target
155     * @param int        $distance
156     *
157     * @return bool
158     */
159    private static function isRelated(Individual $target, $distance): bool
160    {
161        static $cache = null;
162
163        $user_individual = self::getInstance($target->tree->getUserPreference(Auth::user(), 'gedcomid'), $target->tree);
164        if ($user_individual) {
165            if (!$cache) {
166                $cache = [
167                    0 => [$user_individual],
168                    1 => [],
169                ];
170                foreach ($user_individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
171                    $family = $fact->target();
172                    if ($family instanceof Family) {
173                        $cache[1][] = $family;
174                    }
175                }
176            }
177        } else {
178            // No individual linked to this account? Cannot use relationship privacy.
179            return true;
180        }
181
182        // Double the distance, as we count the INDI-FAM and FAM-INDI links separately
183        $distance *= 2;
184
185        // Consider each path length in turn
186        for ($n = 0; $n <= $distance; ++$n) {
187            if (array_key_exists($n, $cache)) {
188                // We have already calculated all records with this length
189                if ($n % 2 == 0 && in_array($target, $cache[$n], true)) {
190                    return true;
191                }
192            } else {
193                // Need to calculate these paths
194                $cache[$n] = [];
195                if ($n % 2 == 0) {
196                    // Add FAM->INDI links
197                    foreach ($cache[$n - 1] as $family) {
198                        foreach ($family->facts(['HUSB', 'WIFE', 'CHIL'], false, Auth::PRIV_HIDE) as $fact) {
199                            $individual = $fact->target();
200                            // Don’t backtrack
201                            if ($individual instanceof Individual && !in_array($individual, $cache[$n - 2], true)) {
202                                $cache[$n][] = $individual;
203                            }
204                        }
205                    }
206                    if (in_array($target, $cache[$n], true)) {
207                        return true;
208                    }
209                } else {
210                    // Add INDI->FAM links
211                    foreach ($cache[$n - 1] as $individual) {
212                        foreach ($individual->facts(['FAMC', 'FAMS'], false, Auth::PRIV_HIDE) as $fact) {
213                            $family = $fact->target();
214                            // Don’t backtrack
215                            if ($family instanceof Family && !in_array($family, $cache[$n - 2], true)) {
216                                $cache[$n][] = $family;
217                            }
218                        }
219                    }
220                }
221            }
222        }
223
224        return false;
225    }
226
227    /**
228     * Generate a private version of this record
229     *
230     * @param int $access_level
231     *
232     * @return string
233     */
234    protected function createPrivateGedcomRecord(int $access_level): string
235    {
236        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
237
238        $rec = '0 @' . $this->xref . '@ INDI';
239        if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
240            // Show all the NAME tags, including subtags
241            foreach ($this->facts(['NAME']) as $fact) {
242                $rec .= "\n" . $fact->gedcom();
243            }
244        }
245        // Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
246        preg_match_all('/\n1 (?:FAMC|FAMS) @(' . Gedcom::REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
247        foreach ($matches as $match) {
248            $rela = Family::getInstance($match[1], $this->tree);
249            if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
250                $rec .= $match[0];
251            }
252        }
253        // Don’t privatize sex.
254        if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
255            $rec .= $match[0];
256        }
257
258        return $rec;
259    }
260
261    /**
262     * Fetch data from the database
263     *
264     * @param string $xref
265     * @param int    $tree_id
266     *
267     * @return null|string
268     */
269    protected static function fetchGedcomRecord(string $xref, int $tree_id)
270    {
271        return DB::table('individuals')
272            ->where('i_id', '=', $xref)
273            ->where('i_file', '=', $tree_id)
274            ->value('i_gedcom');
275    }
276
277    /**
278     * Static helper function to sort an array of people by birth date
279     *
280     * @param Individual $x
281     * @param Individual $y
282     *
283     * @return int
284     */
285    public static function compareBirthDate(Individual $x, Individual $y): int
286    {
287        return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
288    }
289
290    /**
291     * Static helper function to sort an array of people by death date
292     *
293     * @param Individual $x
294     * @param Individual $y
295     *
296     * @return int
297     */
298    public static function compareDeathDate(Individual $x, Individual $y): int
299    {
300        return Date::compare($x->getEstimatedDeathDate(), $y->getEstimatedDeathDate());
301    }
302
303    /**
304     * Calculate whether this individual is living or dead.
305     * If not known to be dead, then assume living.
306     *
307     * @return bool
308     */
309    public function isDead(): bool
310    {
311        $MAX_ALIVE_AGE = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
312
313        // "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
314        if (preg_match('/\n1 (?:' . implode('|', Gedcom::DEATH_EVENTS) . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
315            return true;
316        }
317
318        // If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
319        if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
320            foreach ($date_matches[1] as $date_match) {
321                $date = new Date($date_match);
322                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * $MAX_ALIVE_AGE) {
323                    return true;
324                }
325            }
326            // The individual has one or more dated events. All are less than $MAX_ALIVE_AGE years ago.
327            // If one of these is a birth, the individual must be alive.
328            if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
329                return false;
330            }
331        }
332
333        // If we found no conclusive dates then check the dates of close relatives.
334
335        // Check parents (birth and adopted)
336        foreach ($this->getChildFamilies(Auth::PRIV_HIDE) as $family) {
337            foreach ($family->getSpouses(Auth::PRIV_HIDE) as $parent) {
338                // Assume parents are no more than 45 years older than their children
339                preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
340                foreach ($date_matches[1] as $date_match) {
341                    $date = new Date($date_match);
342                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 45)) {
343                        return true;
344                    }
345                }
346            }
347        }
348
349        // Check spouses
350        foreach ($this->getSpouseFamilies(Auth::PRIV_HIDE) as $family) {
351            preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
352            foreach ($date_matches[1] as $date_match) {
353                $date = new Date($date_match);
354                // Assume marriage occurs after age of 10
355                if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 10)) {
356                    return true;
357                }
358            }
359            // Check spouse dates
360            $spouse = $family->getSpouse($this, Auth::PRIV_HIDE);
361            if ($spouse) {
362                preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
363                foreach ($date_matches[1] as $date_match) {
364                    $date = new Date($date_match);
365                    // Assume max age difference between spouses of 40 years
366                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 40)) {
367                        return true;
368                    }
369                }
370            }
371            // Check child dates
372            foreach ($family->getChildren(Auth::PRIV_HIDE) as $child) {
373                preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
374                // Assume children born after age of 15
375                foreach ($date_matches[1] as $date_match) {
376                    $date = new Date($date_match);
377                    if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 15)) {
378                        return true;
379                    }
380                }
381                // Check grandchildren
382                foreach ($child->getSpouseFamilies(Auth::PRIV_HIDE) as $child_family) {
383                    foreach ($child_family->getChildren(Auth::PRIV_HIDE) as $grandchild) {
384                        preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
385                        // Assume grandchildren born after age of 30
386                        foreach ($date_matches[1] as $date_match) {
387                            $date = new Date($date_match);
388                            if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 30)) {
389                                return true;
390                            }
391                        }
392                    }
393                }
394            }
395        }
396
397        return false;
398    }
399
400    /**
401     * Find the highlighted media object for an individual
402     *
403     * @return null|MediaFile
404     */
405    public function findHighlightedMediaFile()
406    {
407        foreach ($this->facts(['OBJE']) as $fact) {
408            $media = $fact->target();
409            if ($media instanceof Media) {
410                foreach ($media->mediaFiles() as $media_file) {
411                    if ($media_file->isImage() && !$media_file->isExternal()) {
412                        return $media_file;
413                    }
414                }
415            }
416        }
417
418        return null;
419    }
420
421    /**
422     * Display the prefered image for this individual.
423     * Use an icon if no image is available.
424     *
425     * @param int      $width      Pixels
426     * @param int      $height     Pixels
427     * @param string   $fit        "crop" or "contain"
428     * @param string[] $attributes Additional HTML attributes
429     *
430     * @return string
431     */
432    public function displayImage($width, $height, $fit, $attributes): string
433    {
434        $media_file = $this->findHighlightedMediaFile();
435
436        if ($media_file !== null) {
437            return $media_file->displayImage($width, $height, $fit, $attributes);
438        }
439
440        if ($this->tree->getPreference('USE_SILHOUETTE')) {
441            return '<i class="icon-silhouette-' . $this->getSex() . '"></i>';
442        }
443
444        return '';
445    }
446
447    /**
448     * Get the date of birth
449     *
450     * @return Date
451     */
452    public function getBirthDate(): Date
453    {
454        foreach ($this->getAllBirthDates() as $date) {
455            if ($date->isOK()) {
456                return $date;
457            }
458        }
459
460        return new Date('');
461    }
462
463    /**
464     * Get the place of birth
465     *
466     * @return Place
467     */
468    public function getBirthPlace(): Place
469    {
470        foreach ($this->getAllBirthPlaces() as $place) {
471            return $place;
472        }
473
474        return new Place('', $this->tree);
475    }
476
477    /**
478     * Get the year of birth
479     *
480     * @return string the year of birth
481     */
482    public function getBirthYear(): string
483    {
484        return $this->getBirthDate()->minimumDate()->format('%Y');
485    }
486
487    /**
488     * Get the date of death
489     *
490     * @return Date
491     */
492    public function getDeathDate(): Date
493    {
494        foreach ($this->getAllDeathDates() as $date) {
495            if ($date->isOK()) {
496                return $date;
497            }
498        }
499
500        return new Date('');
501    }
502
503    /**
504     * Get the place of death
505     *
506     * @return Place
507     */
508    public function getDeathPlace(): Place
509    {
510        foreach ($this->getAllDeathPlaces() as $place) {
511            return $place;
512        }
513
514        return new Place('', $this->tree);
515    }
516
517    /**
518     * get the death year
519     *
520     * @return string the year of death
521     */
522    public function getDeathYear(): string
523    {
524        return $this->getDeathDate()->minimumDate()->format('%Y');
525    }
526
527    /**
528     * Get the range of years in which a individual lived. e.g. “1870–”, “1870–1920”, “–1920”.
529     * Provide the place and full date using a tooltip.
530     * For consistent layout in charts, etc., show just a “–” when no dates are known.
531     * Note that this is a (non-breaking) en-dash, and not a hyphen.
532     *
533     * @return string
534     */
535    public function getLifeSpan(): string
536    {
537        // Just the first part of the place name
538        $birth_place = strip_tags($this->getBirthPlace()->getShortName());
539        $death_place = strip_tags($this->getDeathPlace()->getShortName());
540        // Remove markup from dates
541        $birth_date = strip_tags($this->getBirthDate()->display());
542        $death_date = strip_tags($this->getDeathDate()->display());
543
544        /* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */
545        return
546            I18N::translate(
547                '%1$s–%2$s',
548                '<span title="' . $birth_place . ' ' . $birth_date . '">' . $this->getBirthYear() . '</span>',
549                '<span title="' . $death_place . ' ' . $death_date . '">' . $this->getDeathYear() . '</span>'
550            );
551    }
552
553    /**
554     * Get all the birth dates - for the individual lists.
555     *
556     * @return Date[]
557     */
558    public function getAllBirthDates(): array
559    {
560        foreach (Gedcom::BIRTH_EVENTS as $event) {
561            $tmp = $this->getAllEventDates([$event]);
562            if ($tmp) {
563                return $tmp;
564            }
565        }
566
567        return [];
568    }
569
570    /**
571     * Gat all the birth places - for the individual lists.
572     *
573     * @return Place[]
574     */
575    public function getAllBirthPlaces(): array
576    {
577        foreach (Gedcom::BIRTH_EVENTS as $event) {
578            $places = $this->getAllEventPlaces([$event]);
579            if (!empty($places)) {
580                return $places;
581            }
582        }
583
584        return [];
585    }
586
587    /**
588     * Get all the death dates - for the individual lists.
589     *
590     * @return Date[]
591     */
592    public function getAllDeathDates(): array
593    {
594        foreach (Gedcom::DEATH_EVENTS as $event) {
595            $tmp = $this->getAllEventDates([$event]);
596            if ($tmp) {
597                return $tmp;
598            }
599        }
600
601        return [];
602    }
603
604    /**
605     * Get all the death places - for the individual lists.
606     *
607     * @return Place[]
608     */
609    public function getAllDeathPlaces(): array
610    {
611        foreach (Gedcom::DEATH_EVENTS as $event) {
612            $places = $this->getAllEventPlaces([$event]);
613            if (!empty($places)) {
614                return $places;
615            }
616        }
617
618        return [];
619    }
620
621    /**
622     * Generate an estimate for the date of birth, based on dates of parents/children/spouses
623     *
624     * @return Date
625     */
626    public function getEstimatedBirthDate(): Date
627    {
628        if ($this->estimated_birth_date === null) {
629            foreach ($this->getAllBirthDates() as $date) {
630                if ($date->isOK()) {
631                    $this->estimated_birth_date = $date;
632                    break;
633                }
634            }
635            if ($this->estimated_birth_date === null) {
636                $min = [];
637                $max = [];
638                $tmp = $this->getDeathDate();
639                if ($tmp->isOK()) {
640                    $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
641                    $max[] = $tmp->maximumJulianDay();
642                }
643                foreach ($this->getChildFamilies() as $family) {
644                    $tmp = $family->getMarriageDate();
645                    if ($tmp->isOK()) {
646                        $min[] = $tmp->maximumJulianDay() - 365 * 1;
647                        $max[] = $tmp->minimumJulianDay() + 365 * 30;
648                    }
649                    $husband = $family->getHusband();
650                    if ($husband instanceof Individual) {
651                        $tmp = $husband->getBirthDate();
652                        if ($tmp->isOK()) {
653                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
654                            $max[] = $tmp->minimumJulianDay() + 365 * 65;
655                        }
656                    }
657                    $wife = $family->getWife();
658                    if ($wife instanceof Individual) {
659                        $tmp = $wife->getBirthDate();
660                        if ($tmp->isOK()) {
661                            $min[] = $tmp->maximumJulianDay() + 365 * 15;
662                            $max[] = $tmp->minimumJulianDay() + 365 * 45;
663                        }
664                    }
665                    foreach ($family->getChildren() as $child) {
666                        $tmp = $child->getBirthDate();
667                        if ($tmp->isOK()) {
668                            $min[] = $tmp->maximumJulianDay() - 365 * 30;
669                            $max[] = $tmp->minimumJulianDay() + 365 * 30;
670                        }
671                    }
672                }
673                foreach ($this->getSpouseFamilies() as $family) {
674                    $tmp = $family->getMarriageDate();
675                    if ($tmp->isOK()) {
676                        $min[] = $tmp->maximumJulianDay() - 365 * 45;
677                        $max[] = $tmp->minimumJulianDay() - 365 * 15;
678                    }
679                    $spouse = $family->getSpouse($this);
680                    if ($spouse) {
681                        $tmp = $spouse->getBirthDate();
682                        if ($tmp->isOK()) {
683                            $min[] = $tmp->maximumJulianDay() - 365 * 25;
684                            $max[] = $tmp->minimumJulianDay() + 365 * 25;
685                        }
686                    }
687                    foreach ($family->getChildren() as $child) {
688                        $tmp = $child->getBirthDate();
689                        if ($tmp->isOK()) {
690                            $min[] = $tmp->maximumJulianDay() - 365 * ($this->getSex() == 'F' ? 45 : 65);
691                            $max[] = $tmp->minimumJulianDay() - 365 * 15;
692                        }
693                    }
694                }
695                if ($min && $max) {
696                    $gregorian_calendar = new GregorianCalendar();
697
698                    [$year] = $gregorian_calendar->jdToYmd(intdiv(max($min) + min($max), 2));
699                    $this->estimated_birth_date = new Date('EST ' . $year);
700                } else {
701                    $this->estimated_birth_date = new Date(''); // always return a date object
702                }
703            }
704        }
705
706        return $this->estimated_birth_date;
707    }
708
709    /**
710     * Generate an estimated date of death.
711     *
712     * @return Date
713     */
714    public function getEstimatedDeathDate(): Date
715    {
716        if ($this->estimated_death_date === null) {
717            foreach ($this->getAllDeathDates() as $date) {
718                if ($date->isOK()) {
719                    $this->estimated_death_date = $date;
720                    break;
721                }
722            }
723            if ($this->estimated_death_date === null) {
724                if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
725                    $max_alive_age              = (int) $this->tree->getPreference('MAX_ALIVE_AGE');
726                    $this->estimated_death_date = $this->getEstimatedBirthDate()->addYears($max_alive_age, 'BEF');
727                } else {
728                    $this->estimated_death_date = new Date(''); // always return a date object
729                }
730            }
731        }
732
733        return $this->estimated_death_date;
734    }
735
736    /**
737     * Get the sex - M F or U
738     * Use the un-privatised gedcom record. We call this function during
739     * the privatize-gedcom function, and we are allowed to know this.
740     *
741     * @return string
742     */
743    public function getSex()
744    {
745        if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
746            return $match[1];
747        }
748
749        return 'U';
750    }
751
752    /**
753     * Get the individual’s sex image
754     *
755     * @param string $size
756     *
757     * @return string
758     */
759    public function getSexImage($size = 'small'): string
760    {
761        return self::sexImage($this->getSex(), $size);
762    }
763
764    /**
765     * Generate a sex icon/image
766     *
767     * @param string $sex
768     * @param string $size
769     *
770     * @return string
771     */
772    public static function sexImage($sex, $size = 'small'): string
773    {
774        return '<i class="icon-sex_' . strtolower($sex) . '_' . ($size == 'small' ? '9x9' : '15x15') . '"></i>';
775    }
776
777    /**
778     * Generate the CSS class to be used for drawing this individual
779     *
780     * @return string
781     */
782    public function getBoxStyle(): string
783    {
784        $tmp = [
785            'M' => '',
786            'F' => 'F',
787            'U' => 'NN',
788        ];
789
790        return 'person_box' . $tmp[$this->getSex()];
791    }
792
793    /**
794     * Get a list of this individual’s spouse families
795     *
796     * @param int|null $access_level
797     *
798     * @return Family[]
799     */
800    public function getSpouseFamilies($access_level = null): array
801    {
802        if ($access_level === null) {
803            $access_level = Auth::accessLevel($this->tree);
804        }
805
806        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
807
808        $families = [];
809        foreach ($this->facts(['FAMS'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
810            $family = $fact->target();
811            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
812                $families[] = $family;
813            }
814        }
815
816        return $families;
817    }
818
819    /**
820     * Get the current spouse of this individual.
821     *
822     * Where an individual has multiple spouses, assume they are stored
823     * in chronological order, and take the last one found.
824     *
825     * @return Individual|null
826     */
827    public function getCurrentSpouse()
828    {
829        $tmp    = $this->getSpouseFamilies();
830        $family = end($tmp);
831        if ($family) {
832            return $family->getSpouse($this);
833        }
834
835        return null;
836    }
837
838    /**
839     * Count the children belonging to this individual.
840     *
841     * @return int
842     */
843    public function getNumberOfChildren()
844    {
845        if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->gedcom(), $match)) {
846            return (int) $match[1];
847        }
848
849        $children = [];
850        foreach ($this->getSpouseFamilies() as $fam) {
851            foreach ($fam->getChildren() as $child) {
852                $children[$child->xref()] = true;
853            }
854        }
855
856        return count($children);
857    }
858
859    /**
860     * Get a list of this individual’s child families (i.e. their parents).
861     *
862     * @param int|null $access_level
863     *
864     * @return Family[]
865     */
866    public function getChildFamilies($access_level = null): array
867    {
868        if ($access_level === null) {
869            $access_level = Auth::accessLevel($this->tree);
870        }
871
872        $SHOW_PRIVATE_RELATIONSHIPS = (bool) $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
873
874        $families = [];
875        foreach ($this->facts(['FAMC'], false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
876            $family = $fact->target();
877            if ($family instanceof Family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
878                $families[] = $family;
879            }
880        }
881
882        return $families;
883    }
884
885    /**
886     * Get the preferred parents for this individual.
887     *
888     * An individual may multiple parents (e.g. birth, adopted, disputed).
889     * The preferred family record is:
890     * (a) the first one with an explicit tag "_PRIMARY Y"
891     * (b) the first one with a pedigree of "birth"
892     * (c) the first one with no pedigree (default is "birth")
893     * (d) the first one found
894     *
895     * @return Family|null
896     */
897    public function getPrimaryChildFamily()
898    {
899        $families = $this->getChildFamilies();
900        switch (count($families)) {
901            case 0:
902                return null;
903            case 1:
904                return $families[0];
905            default:
906                // If there is more than one FAMC record, choose the preferred parents:
907                // a) records with '2 _PRIMARY'
908                foreach ($families as $fam) {
909                    $famid = $fam->xref();
910                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 _PRIMARY Y)/", $this->gedcom())) {
911                        return $fam;
912                    }
913                }
914                // b) records with '2 PEDI birt'
915                foreach ($families as $fam) {
916                    $famid = $fam->xref();
917                    if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI birth)/", $this->gedcom())) {
918                        return $fam;
919                    }
920                }
921                // c) records with no '2 PEDI'
922                foreach ($families as $fam) {
923                    $famid = $fam->xref();
924                    if (!preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI)/", $this->gedcom())) {
925                        return $fam;
926                    }
927                }
928
929                // d) any record
930                return $families[0];
931        }
932    }
933
934    /**
935     * Get a list of step-parent families.
936     *
937     * @return Family[]
938     */
939    public function getChildStepFamilies(): array
940    {
941        $step_families = [];
942        $families      = $this->getChildFamilies();
943        foreach ($families as $family) {
944            $father = $family->getHusband();
945            if ($father) {
946                foreach ($father->getSpouseFamilies() as $step_family) {
947                    if (!in_array($step_family, $families, true)) {
948                        $step_families[] = $step_family;
949                    }
950                }
951            }
952            $mother = $family->getWife();
953            if ($mother) {
954                foreach ($mother->getSpouseFamilies() as $step_family) {
955                    if (!in_array($step_family, $families, true)) {
956                        $step_families[] = $step_family;
957                    }
958                }
959            }
960        }
961
962        return $step_families;
963    }
964
965    /**
966     * Get a list of step-parent families.
967     *
968     * @return Family[]
969     */
970    public function getSpouseStepFamilies(): array
971    {
972        $step_families = [];
973        $families      = $this->getSpouseFamilies();
974        foreach ($families as $family) {
975            $spouse = $family->getSpouse($this);
976            if ($spouse) {
977                foreach ($family->getSpouse($this)->getSpouseFamilies() as $step_family) {
978                    if (!in_array($step_family, $families, true)) {
979                        $step_families[] = $step_family;
980                    }
981                }
982            }
983        }
984
985        return $step_families;
986    }
987
988    /**
989     * A label for a parental family group
990     *
991     * @param Family $family
992     *
993     * @return string
994     */
995    public function getChildFamilyLabel(Family $family)
996    {
997        if (preg_match('/\n1 FAMC @' . $family->xref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->gedcom(), $match)) {
998            // A specified pedigree
999            return GedcomCodePedi::getChildFamilyLabel($match[1]);
1000        }
1001
1002        // Default (birth) pedigree
1003        return GedcomCodePedi::getChildFamilyLabel('');
1004    }
1005
1006    /**
1007     * Create a label for a step family
1008     *
1009     * @param Family $step_family
1010     *
1011     * @return string
1012     */
1013    public function getStepFamilyLabel(Family $step_family): string
1014    {
1015        foreach ($this->getChildFamilies() as $family) {
1016            if ($family !== $step_family) {
1017                // Must be a step-family
1018                foreach ($family->getSpouses() as $parent) {
1019                    foreach ($step_family->getSpouses() as $step_parent) {
1020                        if ($parent === $step_parent) {
1021                            // One common parent - must be a step family
1022                            if ($parent->getSex() == 'M') {
1023                                // Father’s family with someone else
1024                                if ($step_family->getSpouse($step_parent)) {
1025                                    /* I18N: A step-family. %s is an individual’s name */
1026                                    return I18N::translate('Father’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
1027                                }
1028
1029                                /* I18N: A step-family. */
1030                                return I18N::translate('Father’s family with an unknown individual');
1031                            }
1032
1033                            // Mother’s family with someone else
1034                            if ($step_family->getSpouse($step_parent)) {
1035                                /* I18N: A step-family. %s is an individual’s name */
1036                                return I18N::translate('Mother’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
1037                            }
1038
1039                            /* I18N: A step-family. */
1040                            return I18N::translate('Mother’s family with an unknown individual');
1041                        }
1042                    }
1043                }
1044            }
1045        }
1046
1047        // Perahps same parents - but a different family record?
1048        return I18N::translate('Family with parents');
1049    }
1050
1051    /**
1052     * Get the description for the family.
1053     *
1054     * For example, "XXX's family with new wife".
1055     *
1056     * @param Family $family
1057     *
1058     * @return string
1059     */
1060    public function getSpouseFamilyLabel(Family $family)
1061    {
1062        $spouse = $family->getSpouse($this);
1063        if ($spouse) {
1064            /* I18N: %s is the spouse name */
1065            return I18N::translate('Family with %s', $spouse->getFullName());
1066        }
1067
1068        return $family->getFullName();
1069    }
1070
1071    /**
1072     * get primary parents names for this individual
1073     *
1074     * @param string $classname optional css class
1075     * @param string $display   optional css style display
1076     *
1077     * @return string a div block with father & mother names
1078     */
1079    public function getPrimaryParentsNames($classname = '', $display = ''): string
1080    {
1081        $fam = $this->getPrimaryChildFamily();
1082        if (!$fam) {
1083            return '';
1084        }
1085        $txt = '<div';
1086        if ($classname) {
1087            $txt .= ' class="' . $classname . '"';
1088        }
1089        if ($display) {
1090            $txt .= ' style="display:' . $display . '"';
1091        }
1092        $txt .= '>';
1093        $husb = $fam->getHusband();
1094        if ($husb) {
1095            // Temporarily reset the 'prefered' display name, as we always
1096            // want the default name, not the one selected for display on the indilist.
1097            $primary = $husb->getPrimaryName();
1098            $husb->setPrimaryName(null);
1099            /* I18N: %s is the name of an individual’s father */
1100            $txt .= I18N::translate('Father: %s', $husb->getFullName()) . '<br>';
1101            $husb->setPrimaryName($primary);
1102        }
1103        $wife = $fam->getWife();
1104        if ($wife) {
1105            // Temporarily reset the 'prefered' display name, as we always
1106            // want the default name, not the one selected for display on the indilist.
1107            $primary = $wife->getPrimaryName();
1108            $wife->setPrimaryName(null);
1109            /* I18N: %s is the name of an individual’s mother */
1110            $txt .= I18N::translate('Mother: %s', $wife->getFullName());
1111            $wife->setPrimaryName($primary);
1112        }
1113        $txt .= '</div>';
1114
1115        return $txt;
1116    }
1117
1118    /** {@inheritdoc} */
1119    public function getFallBackName(): string
1120    {
1121        return '@P.N. /@N.N./';
1122    }
1123
1124    /**
1125     * Convert a name record into ‘full’ and ‘sort’ versions.
1126     * Use the NAME field to generate the ‘full’ version, as the
1127     * gedcom spec says that this is the individual’s name, as they would write it.
1128     * Use the SURN field to generate the sortable names. Note that this field
1129     * may also be used for the ‘true’ surname, perhaps spelt differently to that
1130     * recorded in the NAME field. e.g.
1131     *
1132     * 1 NAME Robert /de Gliderow/
1133     * 2 GIVN Robert
1134     * 2 SPFX de
1135     * 2 SURN CLITHEROW
1136     * 2 NICK The Bald
1137     *
1138     * full=>'Robert de Gliderow 'The Bald''
1139     * sort=>'CLITHEROW, ROBERT'
1140     *
1141     * Handle multiple surnames, either as;
1142     *
1143     * 1 NAME Carlos /Vasquez/ y /Sante/
1144     * or
1145     * 1 NAME Carlos /Vasquez y Sante/
1146     * 2 GIVN Carlos
1147     * 2 SURN Vasquez,Sante
1148     *
1149     * @param string $type
1150     * @param string $full
1151     * @param string $gedcom
1152     */
1153    protected function addName(string $type, string $full, string $gedcom)
1154    {
1155        ////////////////////////////////////////////////////////////////////////////
1156        // Extract the structured name parts - use for "sortable" names and indexes
1157        ////////////////////////////////////////////////////////////////////////////
1158
1159        $sublevel = 1 + (int) substr($gedcom, 0, 1);
1160        $GIVN     = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1161        $SURN     = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1162        $NICK     = preg_match("/\n{$sublevel} NICK (.+)/", $gedcom, $match) ? $match[1] : '';
1163
1164        // SURN is an comma-separated list of surnames...
1165        if ($SURN !== '') {
1166            $SURNS = preg_split('/ *, */', $SURN);
1167        } else {
1168            $SURNS = [];
1169        }
1170
1171        // ...so is GIVN - but nobody uses it like that
1172        $GIVN = str_replace('/ *, */', ' ', $GIVN);
1173
1174        ////////////////////////////////////////////////////////////////////////////
1175        // Extract the components from NAME - use for the "full" names
1176        ////////////////////////////////////////////////////////////////////////////
1177
1178        // Fix bad slashes. e.g. 'John/Smith' => 'John/Smith/'
1179        if (substr_count($full, '/') % 2 === 1) {
1180            $full = $full . '/';
1181        }
1182
1183        // GEDCOM uses "//" to indicate an unknown surname
1184        $full = preg_replace('/\/\//', '/@N.N./', $full);
1185
1186        // Extract the surname.
1187        // Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1188        if (preg_match('/\/.*\//', $full, $match)) {
1189            $surname = str_replace('/', '', $match[0]);
1190        } else {
1191            $surname = '';
1192        }
1193
1194        // If we don’t have a SURN record, extract it from the NAME
1195        if (!$SURNS) {
1196            if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1197                // There can be many surnames, each wrapped with '/'
1198                $SURNS = $matches[1];
1199                foreach ($SURNS as $n => $SURN) {
1200                    // Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1201                    $SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1202                }
1203            } else {
1204                // It is valid not to have a surname at all
1205                $SURNS = [''];
1206            }
1207        }
1208
1209        // If we don’t have a GIVN record, extract it from the NAME
1210        if (!$GIVN) {
1211            $GIVN = preg_replace(
1212                [
1213                    '/ ?\/.*\/ ?/',
1214                    // remove surname
1215                    '/ ?".+"/',
1216                    // remove nickname
1217                    '/ {2,}/',
1218                    // multiple spaces, caused by the above
1219                    '/^ | $/',
1220                    // leading/trailing spaces, caused by the above
1221                ],
1222                [
1223                    ' ',
1224                    ' ',
1225                    ' ',
1226                    '',
1227                ],
1228                $full
1229            );
1230        }
1231
1232        // Add placeholder for unknown given name
1233        if (!$GIVN) {
1234            $GIVN = '@P.N.';
1235            $pos  = (int) strpos($full, '/');
1236            $full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1237        }
1238
1239        // GEDCOM 5.5.1 nicknames should be specificied in a NICK field
1240        // GEDCOM 5.5   nicknames should be specified in the NAME field, surrounded by quotes
1241        if ($NICK && strpos($full, '"' . $NICK . '"') === false) {
1242            // A NICK field is present, but not included in the NAME.  Show it at the end.
1243            $full .= ' "' . $NICK . '"';
1244        }
1245
1246        // Remove slashes - they don’t get displayed
1247        // $fullNN keeps the @N.N. placeholders, for the database
1248        // $full is for display on-screen
1249        $fullNN = str_replace('/', '', $full);
1250
1251        // Insert placeholders for any missing/unknown names
1252        $full = str_replace('@N.N.', I18N::translateContext('Unknown surname', '…'), $full);
1253        $full = str_replace('@P.N.', I18N::translateContext('Unknown given name', '…'), $full);
1254        // Format for display
1255        $full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', e($full)) . '</span>';
1256        // Localise quotation marks around the nickname
1257        $full = preg_replace_callback('/&quot;([^&]*)&quot;/', function (array $matches): string {
1258            return I18N::translate('“%s”', $matches[1]);
1259        }, $full);
1260
1261        // A suffix of “*” indicates a preferred name
1262        $full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1263
1264        // Remove prefered-name indicater - they don’t go in the database
1265        $GIVN   = str_replace('*', '', $GIVN);
1266        $fullNN = str_replace('*', '', $fullNN);
1267
1268        foreach ($SURNS as $SURN) {
1269            // Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1270            if (strcasecmp(substr($SURN, 0, 2), 'Mc') == 0) {
1271                $SURN = substr_replace($SURN, 'Mac', 0, 2);
1272            } elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') == 0) {
1273                $SURN = substr_replace($SURN, 'Mac', 0, 4);
1274            }
1275
1276            $this->getAllNames[] = [
1277                'type'    => $type,
1278                'sort'    => $SURN . ',' . $GIVN,
1279                'full'    => $full,
1280                // This is used for display
1281                'fullNN'  => $fullNN,
1282                // This goes into the database
1283                'surname' => $surname,
1284                // This goes into the database
1285                'givn'    => $GIVN,
1286                // This goes into the database
1287                'surn'    => $SURN,
1288                // This goes into the database
1289            ];
1290        }
1291    }
1292
1293    /**
1294     * Extract names from the GEDCOM record.
1295     *
1296     * @return void
1297     */
1298    public function extractNames()
1299    {
1300        $this->extractNamesFromFacts(
1301            1,
1302            'NAME',
1303            $this->facts(
1304                ['NAME'],
1305                false,
1306                Auth::accessLevel($this->tree),
1307                $this->canShowName()
1308            )
1309        );
1310    }
1311
1312    /**
1313     * Extra info to display when displaying this record in a list of
1314     * selection items or favorites.
1315     *
1316     * @return string
1317     */
1318    public function formatListDetails(): string
1319    {
1320        return
1321            $this->formatFirstMajorFact(Gedcom::BIRTH_EVENTS, 1) .
1322            $this->formatFirstMajorFact(Gedcom::DEATH_EVENTS, 1);
1323    }
1324}
1325