xref: /webtrees/app/Individual.php (revision 06ef8e025079fd29d56aff675f7e1fed723f571f)
1<?php
2namespace Fisharebest\Webtrees;
3
4/**
5 * webtrees: online genealogy
6 * Copyright (C) 2015 webtrees development team
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19use Fisharebest\ExtCalendar\GregorianCalendar;
20use Fisharebest\Webtrees\GedcomCode\GedcomCodePedi;
21
22/**
23 * Class Individual - Class file for an individual
24 */
25class Individual extends GedcomRecord {
26	const RECORD_TYPE = 'INDI';
27	const URL_PREFIX  = 'individual.php?pid=';
28
29	public $generation; // used in some lists to keep track of this individual’s generation in that list
30
31	/** @var Date The estimated date of birth */
32	private $_getEstimatedBirthDate;
33
34	/** @var Date The estimated date of death */
35	private $_getEstimatedDeathDate;
36
37	/**
38	 * Sometimes, we'll know in advance that we need to load a set of records.
39	 * Typically when we load families and their members.
40	 *
41	 * @param Tree  $tree
42	 * @param string[] $xrefs
43	 */
44	public static function load(Tree $tree, array $xrefs) {
45		$sql  = '';
46		$args = array(
47			'tree_id' => $tree->getTreeId(),
48		);
49
50		foreach (array_unique($xrefs) as $n => $xref) {
51			if (!isset(self::$gedcom_record_cache[$tree->getTreeId()][$xref])) {
52				$sql .= ($n ? ',:x' : ':x') . $n;
53				$args['x' . $n] = $xref;
54			}
55		}
56
57		if (count($args) > 1) {
58			$rows = Database::prepare(
59				"SELECT i_id AS xref, i_gedcom AS gedcom" .
60				" FROM `##individuals`" .
61				" WHERE i_file = :tree_id AND i_id IN (" . $sql . ")"
62			)->execute(
63				$args
64			)->fetchAll();
65
66			foreach ($rows as $row) {
67				self::getInstance($row->xref, $tree, $row->gedcom);
68			}
69		}
70	}
71
72	/**
73	 * Can the name of this record be shown?
74	 *
75	 * {@inheritdoc}
76	 */
77	public function canShowName($access_level = null) {
78		if ($access_level === null) {
79			$access_level = Auth::accessLevel($this->tree);
80		}
81
82		return $this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level || $this->canShow($access_level);
83	}
84
85	/**
86	 * Implement individual-specific privacy logic
87	 *
88	 * {@inheritdoc}
89	 */
90	protected function canShowByType($access_level) {
91		global $WT_TREE;
92
93		// Dead people...
94		if ($this->tree->getPreference('SHOW_DEAD_PEOPLE') >= $access_level && $this->isDead()) {
95			$keep_alive             = false;
96			$KEEP_ALIVE_YEARS_BIRTH = $this->tree->getPreference('KEEP_ALIVE_YEARS_BIRTH');
97			if ($KEEP_ALIVE_YEARS_BIRTH) {
98				preg_match_all('/\n1 (?:' . WT_EVENTS_BIRT . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
99				foreach ($matches as $match) {
100					$date = new Date($match[1]);
101					if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_BIRTH > date('Y')) {
102						$keep_alive = true;
103						break;
104					}
105				}
106			}
107			$KEEP_ALIVE_YEARS_DEATH = $this->tree->getPreference('KEEP_ALIVE_YEARS_DEATH');
108			if ($KEEP_ALIVE_YEARS_DEATH) {
109				preg_match_all('/\n1 (?:' . WT_EVENTS_DEAT . ').*(?:\n[2-9].*)*(?:\n2 DATE (.+))/', $this->gedcom, $matches, PREG_SET_ORDER);
110				foreach ($matches as $match) {
111					$date = new Date($match[1]);
112					if ($date->isOK() && $date->gregorianYear() + $KEEP_ALIVE_YEARS_DEATH > date('Y')) {
113						$keep_alive = true;
114						break;
115					}
116				}
117			}
118			if (!$keep_alive) {
119				return true;
120			}
121		}
122		// Consider relationship privacy (unless an admin is applying download restrictions)
123		$user_path_length = $this->tree->getUserPreference(Auth::user(), 'RELATIONSHIP_PATH_LENGTH');
124		$gedcomid         = $this->tree->getUserPreference(Auth::user(), 'gedcomid');
125		if ($gedcomid && $user_path_length && $this->tree->getTreeId() == $WT_TREE->getTreeId() && $access_level = Auth::accessLevel($this->tree)) {
126			return self::isRelated($this, $user_path_length);
127		}
128
129		// No restriction found - show living people to members only:
130		return Auth::PRIV_USER >= $access_level;
131	}
132
133	/**
134	 * For relationship privacy calculations - is this individual a close relative?
135	 *
136	 * @param Individual $target
137	 * @param int        $distance
138	 *
139	 * @return bool
140	 */
141	private static function isRelated(Individual $target, $distance) {
142		static $cache = null;
143
144		$user_individual = self::getInstance($target->tree->getUserPreference(Auth::user(), 'gedcomid'), $target->tree);
145		if ($user_individual) {
146			if (!$cache) {
147				$cache = array(
148					0 => array($user_individual),
149					1 => array(),
150				);
151				foreach ($user_individual->getFacts('FAM[CS]', false, Auth::PRIV_HIDE) as $fact) {
152					$family = $fact->getTarget();
153					if ($family) {
154						$cache[1][] = $family;
155					}
156				}
157			}
158		} else {
159			// No individual linked to this account?  Cannot use relationship privacy.
160			return true;
161		}
162
163		// Double the distance, as we count the INDI-FAM and FAM-INDI links separately
164		$distance *= 2;
165
166		// Consider each path length in turn
167		for ($n = 0; $n <= $distance; ++$n) {
168			if (array_key_exists($n, $cache)) {
169				// We have already calculated all records with this length
170				if ($n % 2 == 0 && in_array($target, $cache[$n], true)) {
171					return true;
172				}
173			} else {
174				// Need to calculate these paths
175				$cache[$n] = array();
176				if ($n % 2 == 0) {
177					// Add FAM->INDI links
178					foreach ($cache[$n - 1] as $family) {
179						foreach ($family->getFacts('HUSB|WIFE|CHIL', false, Auth::PRIV_HIDE) as $fact) {
180							$individual = $fact->getTarget();
181							// Don’t backtrack
182							if ($individual && !in_array($individual, $cache[$n - 2], true)) {
183								$cache[$n][] = $individual;
184							}
185						}
186					}
187					if (in_array($target, $cache[$n], true)) {
188						return true;
189					}
190				} else {
191					// Add INDI->FAM links
192					foreach ($cache[$n - 1] as $individual) {
193						foreach ($individual->getFacts('FAM[CS]', false, Auth::PRIV_HIDE) as $fact) {
194							$family = $fact->getTarget();
195							// Don’t backtrack
196							if ($family && !in_array($family, $cache[$n - 2], true)) {
197								$cache[$n][] = $family;
198							}
199						}
200					}
201				}
202			}
203		}
204
205		return false;
206	}
207
208	/** {@inheritdoc} */
209	protected function createPrivateGedcomRecord($access_level) {
210		$SHOW_PRIVATE_RELATIONSHIPS = $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
211
212		$rec = '0 @' . $this->xref . '@ INDI';
213		if ($this->tree->getPreference('SHOW_LIVING_NAMES') >= $access_level) {
214			// Show all the NAME tags, including subtags
215			foreach ($this->getFacts('NAME') as $fact) {
216				$rec .= "\n" . $fact->getGedcom();
217			}
218		}
219		// Just show the 1 FAMC/FAMS tag, not any subtags, which may contain private data
220		preg_match_all('/\n1 (?:FAMC|FAMS) @(' . WT_REGEX_XREF . ')@/', $this->gedcom, $matches, PREG_SET_ORDER);
221		foreach ($matches as $match) {
222			$rela = Family::getInstance($match[1], $this->tree);
223			if ($rela && ($SHOW_PRIVATE_RELATIONSHIPS || $rela->canShow($access_level))) {
224				$rec .= $match[0];
225			}
226		}
227		// Don’t privatize sex.
228		if (preg_match('/\n1 SEX [MFU]/', $this->gedcom, $match)) {
229			$rec .= $match[0];
230		}
231
232		return $rec;
233	}
234
235	/** {@inheritdoc} */
236	protected static function fetchGedcomRecord($xref, $tree_id) {
237		return Database::prepare(
238			"SELECT i_gedcom FROM `##individuals` WHERE i_id = :xref AND i_file = :tree_id"
239		)->execute(array(
240			'xref'    => $xref,
241			'tree_id' => $tree_id,
242		))->fetchOne();
243	}
244
245	/**
246	 * Static helper function to sort an array of people by birth date
247	 *
248	 * @param Individual $x
249	 * @param Individual $y
250	 *
251	 * @return int
252	 */
253	public static function compareBirthDate(Individual $x, Individual $y) {
254		return Date::compare($x->getEstimatedBirthDate(), $y->getEstimatedBirthDate());
255	}
256
257	/**
258	 * Static helper function to sort an array of people by death date
259	 *
260	 * @param Individual $x
261	 * @param Individual $y
262	 *
263	 * @return int
264	 */
265	public static function compareDeathDate(Individual $x, Individual $y) {
266		return Date::compare($x->getEstimatedDeathDate(), $y->getEstimatedDeathDate());
267	}
268
269	/**
270	 * Calculate whether this individual is living or dead.
271	 * If not known to be dead, then assume living.
272	 *
273	 * @return bool
274	 */
275	public function isDead() {
276		$MAX_ALIVE_AGE = $this->tree->getPreference('MAX_ALIVE_AGE');
277
278		// "1 DEAT Y" or "1 DEAT/2 DATE" or "1 DEAT/2 PLAC"
279		if (preg_match('/\n1 (?:' . WT_EVENTS_DEAT . ')(?: Y|(?:\n[2-9].+)*\n2 (DATE|PLAC) )/', $this->gedcom)) {
280			return true;
281		}
282
283		// If any event occured more than $MAX_ALIVE_AGE years ago, then assume the individual is dead
284		if (preg_match_all('/\n2 DATE (.+)/', $this->gedcom, $date_matches)) {
285			foreach ($date_matches[1] as $date_match) {
286				$date = new Date($date_match);
287				if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * $MAX_ALIVE_AGE) {
288					return true;
289				}
290			}
291			// The individual has one or more dated events.  All are less than $MAX_ALIVE_AGE years ago.
292			// If one of these is a birth, the individual must be alive.
293			if (preg_match('/\n1 BIRT(?:\n[2-9].+)*\n2 DATE /', $this->gedcom)) {
294				return false;
295			}
296		}
297
298		// If we found no conclusive dates then check the dates of close relatives.
299
300		// Check parents (birth and adopted)
301		foreach ($this->getChildFamilies(Auth::PRIV_HIDE) as $family) {
302			foreach ($family->getSpouses(Auth::PRIV_HIDE) as $parent) {
303				// Assume parents are no more than 45 years older than their children
304				preg_match_all('/\n2 DATE (.+)/', $parent->gedcom, $date_matches);
305				foreach ($date_matches[1] as $date_match) {
306					$date = new Date($date_match);
307					if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 45)) {
308						return true;
309					}
310				}
311			}
312		}
313
314		// Check spouses
315		foreach ($this->getSpouseFamilies(Auth::PRIV_HIDE) as $family) {
316			preg_match_all('/\n2 DATE (.+)/', $family->gedcom, $date_matches);
317			foreach ($date_matches[1] as $date_match) {
318				$date = new Date($date_match);
319				// Assume marriage occurs after age of 10
320				if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 10)) {
321					return true;
322				}
323			}
324			// Check spouse dates
325			$spouse = $family->getSpouse($this);
326			if ($spouse) {
327				preg_match_all('/\n2 DATE (.+)/', $spouse->gedcom, $date_matches);
328				foreach ($date_matches[1] as $date_match) {
329					$date = new Date($date_match);
330					// Assume max age difference between spouses of 40 years
331					if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE + 40)) {
332						return true;
333					}
334				}
335			}
336			// Check child dates
337			foreach ($family->getChildren(Auth::PRIV_HIDE) as $child) {
338				preg_match_all('/\n2 DATE (.+)/', $child->gedcom, $date_matches);
339				// Assume children born after age of 15
340				foreach ($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 - 15)) {
343						return true;
344					}
345				}
346				// Check grandchildren
347				foreach ($child->getSpouseFamilies(Auth::PRIV_HIDE) as $child_family) {
348					foreach ($child_family->getChildren(Auth::PRIV_HIDE) as $grandchild) {
349						preg_match_all('/\n2 DATE (.+)/', $grandchild->gedcom, $date_matches);
350						// Assume grandchildren born after age of 30
351						foreach ($date_matches[1] as $date_match) {
352							$date = new Date($date_match);
353							if ($date->isOK() && $date->maximumJulianDay() <= WT_CLIENT_JD - 365 * ($MAX_ALIVE_AGE - 30)) {
354								return true;
355							}
356						}
357					}
358				}
359			}
360		}
361
362		return false;
363	}
364
365	/**
366	 * Find the highlighted media object for an individual
367	 * 1. Ignore all media objects that are not displayable because of Privacy rules
368	 * 2. Ignore all media objects with the Highlight option set to "N"
369	 * 3. Pick the first media object that matches these criteria, in order of preference:
370	 *    (a) Level 1 object with the Highlight option set to "Y"
371	 *    (b) Level 1 object with the Highlight option missing or set to other than "Y" or "N"
372	 *    (c) Level 2 or higher object with the Highlight option set to "Y"
373	 *
374	 * @return null|Media
375	 */
376	public function findHighlightedMedia() {
377		$objectA = null;
378		$objectB = null;
379		$objectC = null;
380
381		// Iterate over all of the media items for the individual
382		preg_match_all('/\n(\d) OBJE @(' . WT_REGEX_XREF . ')@/', $this->getGedcom(), $matches, PREG_SET_ORDER);
383		foreach ($matches as $match) {
384			$media = Media::getInstance($match[2], $this->tree);
385			if (!$media || !$media->canShow() || $media->isExternal()) {
386				continue;
387			}
388			$level = $match[1];
389			$prim  = $media->isPrimary();
390			if ($prim == 'N') {
391				continue;
392			}
393			if ($level == 1) {
394				if ($prim == 'Y') {
395					if (empty($objectA)) {
396						$objectA = $media;
397					}
398				} else {
399					if (empty($objectB)) {
400						$objectB = $media;
401					}
402				}
403			} else {
404				if ($prim == 'Y') {
405					if (empty($objectC)) {
406						$objectC = $media;
407					}
408				}
409			}
410		}
411
412		if ($objectA) {
413			return $objectA;
414		}
415		if ($objectB) {
416			return $objectB;
417		}
418		if ($objectC) {
419			return $objectC;
420		}
421
422		return null;
423	}
424
425	/**
426	 * Display the prefered image for this individual.
427	 * Use an icon if no image is available.
428	 *
429	 * @return string
430	 */
431	public function displayImage() {
432		$media = $this->findHighlightedMedia();
433		if ($media) {
434			// Thumbnail exists - use it.
435			return $media->displayImage();
436		} elseif ($this->tree->getPreference('USE_SILHOUETTE')) {
437			// No thumbnail exists - use an icon
438			return '<i class="icon-silhouette-' . $this->getSex() . '"></i>';
439		} else {
440			return '';
441		}
442	}
443
444	/**
445	 * Get the date of birth
446	 *
447	 * @return Date
448	 */
449	public function getBirthDate() {
450		foreach ($this->getAllBirthDates() as $date) {
451			if ($date->isOK()) {
452				return $date;
453			}
454		}
455
456		return new Date('');
457	}
458
459	/**
460	 * Get the place of birth
461	 *
462	 * @return string
463	 */
464	public function getBirthPlace() {
465		foreach ($this->getAllBirthPlaces() as $place) {
466			if ($place) {
467				return $place;
468			}
469		}
470
471		return '';
472	}
473
474	/**
475	 * Get the year of birth
476	 *
477	 * @return string the year of birth
478	 */
479	public function getBirthYear() {
480		return $this->getBirthDate()->minimumDate()->format('%Y');
481	}
482
483	/**
484	 * Get the date of death
485	 *
486	 * @return Date
487	 */
488	public function getDeathDate() {
489		foreach ($this->getAllDeathDates() as $date) {
490			if ($date->isOK()) {
491				return $date;
492			}
493		}
494
495		return new Date('');
496	}
497
498	/**
499	 * Get the place of death
500	 *
501	 * @return string
502	 */
503	public function getDeathPlace() {
504		foreach ($this->getAllDeathPlaces() as $place) {
505			if ($place) {
506				return $place;
507			}
508		}
509
510		return '';
511	}
512
513	/**
514	 * get the death year
515	 *
516	 * @return string the year of death
517	 */
518	public function getDeathYear() {
519		return $this->getDeathDate()->minimumDate()->format('%Y');
520	}
521
522	/**
523	 * Get the range of years in which a individual lived.  e.g. “1870–”, “1870–1920”, “–1920”.
524	 * Provide the full date using a tooltip.
525	 * For consistent layout in charts, etc., show just a “–” when no dates are known.
526	 * Note that this is a (non-breaking) en-dash, and not a hyphen.
527	 *
528	 * @return string
529	 */
530	public function getLifeSpan() {
531		return
532			/* I18N: A range of years, e.g. “1870–”, “1870–1920”, “–1920” */ I18N::translate(
533				'%1$s–%2$s',
534				'<span title="' . strip_tags($this->getBirthDate()->display()) . '">' . $this->getBirthDate()->minimumDate()->format('%Y') . '</span>',
535				'<span title="' . strip_tags($this->getDeathDate()->display()) . '">' . $this->getDeathDate()->minimumDate()->format('%Y') . '</span>'
536			);
537	}
538
539	/**
540	 * Get all the birth dates - for the individual lists.
541	 *
542	 * @return Date[]
543	 */
544	public function getAllBirthDates() {
545		foreach (explode('|', WT_EVENTS_BIRT) as $event) {
546			$tmp = $this->getAllEventDates($event);
547			if ($tmp) {
548				return $tmp;
549			}
550		}
551
552		return array();
553	}
554
555	/**
556	 * Gat all the birth places - for the individual lists.
557	 *
558	 * @return string[]
559	 */
560	public function getAllBirthPlaces() {
561		foreach (explode('|', WT_EVENTS_BIRT) as $event) {
562			$tmp = $this->getAllEventPlaces($event);
563			if ($tmp) {
564				return $tmp;
565			}
566		}
567
568		return array();
569	}
570
571	/**
572	 * Get all the death dates - for the individual lists.
573	 *
574	 * @return Date[]
575	 */
576	public function getAllDeathDates() {
577		foreach (explode('|', WT_EVENTS_DEAT) as $event) {
578			$tmp = $this->getAllEventDates($event);
579			if ($tmp) {
580				return $tmp;
581			}
582		}
583
584		return array();
585	}
586
587	/**
588	 * Get all the death places - for the individual lists.
589	 *
590	 * @return string[]
591	 */
592	public function getAllDeathPlaces() {
593		foreach (explode('|', WT_EVENTS_DEAT) as $event) {
594			$tmp = $this->getAllEventPlaces($event);
595			if ($tmp) {
596				return $tmp;
597			}
598		}
599
600		return array();
601	}
602
603	/**
604	 * Generate an estimate for the date of birth, based on dates of parents/children/spouses
605	 *
606	 * @return Date
607	 */
608	public function getEstimatedBirthDate() {
609		if (is_null($this->_getEstimatedBirthDate)) {
610			foreach ($this->getAllBirthDates() as $date) {
611				if ($date->isOK()) {
612					$this->_getEstimatedBirthDate = $date;
613					break;
614				}
615			}
616			if (is_null($this->_getEstimatedBirthDate)) {
617				$min = array();
618				$max = array();
619				$tmp = $this->getDeathDate();
620				if ($tmp->isOK()) {
621					$min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365;
622					$max[] = $tmp->maximumJulianDay();
623				}
624				foreach ($this->getChildFamilies() as $family) {
625					$tmp = $family->getMarriageDate();
626					if ($tmp->isOK()) {
627						$min[] = $tmp->maximumJulianDay() - 365 * 1;
628						$max[] = $tmp->minimumJulianDay() + 365 * 30;
629					}
630					if ($parent = $family->getHusband()) {
631						$tmp = $parent->getBirthDate();
632						if ($tmp->isOK()) {
633							$min[] = $tmp->maximumJulianDay() + 365 * 15;
634							$max[] = $tmp->minimumJulianDay() + 365 * 65;
635						}
636					}
637					if ($parent = $family->getWife()) {
638						$tmp = $parent->getBirthDate();
639						if ($tmp->isOK()) {
640							$min[] = $tmp->maximumJulianDay() + 365 * 15;
641							$max[] = $tmp->minimumJulianDay() + 365 * 45;
642						}
643					}
644					foreach ($family->getChildren() as $child) {
645						$tmp = $child->getBirthDate();
646						if ($tmp->isOK()) {
647							$min[] = $tmp->maximumJulianDay() - 365 * 30;
648							$max[] = $tmp->minimumJulianDay() + 365 * 30;
649						}
650					}
651				}
652				foreach ($this->getSpouseFamilies() as $family) {
653					$tmp = $family->getMarriageDate();
654					if ($tmp->isOK()) {
655						$min[] = $tmp->maximumJulianDay() - 365 * 45;
656						$max[] = $tmp->minimumJulianDay() - 365 * 15;
657					}
658					$spouse = $family->getSpouse($this);
659					if ($spouse) {
660						$tmp = $spouse->getBirthDate();
661						if ($tmp->isOK()) {
662							$min[] = $tmp->maximumJulianDay() - 365 * 25;
663							$max[] = $tmp->minimumJulianDay() + 365 * 25;
664						}
665					}
666					foreach ($family->getChildren() as $child) {
667						$tmp = $child->getBirthDate();
668						if ($tmp->isOK()) {
669							$min[] = $tmp->maximumJulianDay() - 365 * ($this->getSex() == 'F' ? 45 : 65);
670							$max[] = $tmp->minimumJulianDay() - 365 * 15;
671						}
672					}
673				}
674				if ($min && $max) {
675					$gregorian_calendar = new GregorianCalendar;
676
677					list($year)                   = $gregorian_calendar->jdToYmd((int) ((max($min) + min($max)) / 2));
678					$this->_getEstimatedBirthDate = new Date('EST ' . $year);
679				} else {
680					$this->_getEstimatedBirthDate = new Date(''); // always return a date object
681				}
682			}
683		}
684
685		return $this->_getEstimatedBirthDate;
686	}
687
688	/**
689	 * Generate an estimated date of death.
690	 *
691	 * @return Date
692	 */
693	public function getEstimatedDeathDate() {
694		if ($this->_getEstimatedDeathDate === null) {
695			foreach ($this->getAllDeathDates() as $date) {
696				if ($date->isOK()) {
697					$this->_getEstimatedDeathDate = $date;
698					break;
699				}
700			}
701			if ($this->_getEstimatedDeathDate === null) {
702				if ($this->getEstimatedBirthDate()->minimumJulianDay()) {
703					$this->_getEstimatedDeathDate = $this->getEstimatedBirthDate()->addYears($this->tree->getPreference('MAX_ALIVE_AGE'), 'BEF');
704				} else {
705					$this->_getEstimatedDeathDate = new Date(''); // always return a date object
706				}
707			}
708		}
709
710		return $this->_getEstimatedDeathDate;
711	}
712
713	/**
714	 * Get the sex - M F or U
715	 * Use the un-privatised gedcom record.  We call this function during
716	 * the privatize-gedcom function, and we are allowed to know this.
717	 *
718	 * @return string
719	 */
720	public function getSex() {
721		if (preg_match('/\n1 SEX ([MF])/', $this->gedcom . $this->pending, $match)) {
722			return $match[1];
723		} else {
724			return 'U';
725		}
726	}
727
728	/**
729	 * Get the individual’s sex image
730	 *
731	 * @param string $size
732	 *
733	 * @return string
734	 */
735	public function getSexImage($size = 'small') {
736		return self::sexImage($this->getSex(), $size);
737	}
738
739	/**
740	 * Generate a sex icon/image
741	 *
742	 * @param string $sex
743	 * @param string $size
744	 *
745	 * @return string
746	 */
747	public static function sexImage($sex, $size = 'small') {
748		return '<i class="icon-sex_' . strtolower($sex) . '_' . ($size == 'small' ? '9x9' : '15x15') . '"></i>';
749	}
750
751	/**
752	 * Generate the CSS class to be used for drawing this individual
753	 *
754	 * @return string
755	 */
756	public function getBoxStyle() {
757		$tmp = array('M' => '', 'F' => 'F', 'U' => 'NN');
758
759		return 'person_box' . $tmp[$this->getSex()];
760	}
761
762	/**
763	 * Get a list of this individual’s spouse families
764	 *
765	 * @param int|null $access_level
766	 *
767	 * @return Family[]
768	 */
769	public function getSpouseFamilies($access_level = null) {
770		if ($access_level === null) {
771			$access_level = Auth::accessLevel($this->tree);
772		}
773
774		$SHOW_PRIVATE_RELATIONSHIPS = $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
775
776		$families = array();
777		foreach ($this->getFacts('FAMS', false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
778			$family = $fact->getTarget();
779			if ($family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
780				$families[] = $family;
781			}
782		}
783
784		return $families;
785	}
786
787	/**
788	 * Get the current spouse of this individual.
789	 *
790	 * Where an individual has multiple spouses, assume they are stored
791	 * in chronological order, and take the last one found.
792	 *
793	 * @return Individual|null
794	 */
795	public function getCurrentSpouse() {
796		$tmp    = $this->getSpouseFamilies();
797		$family = end($tmp);
798		if ($family) {
799			return $family->getSpouse($this);
800		} else {
801			return null;
802		}
803	}
804
805	/**
806	 * Count the children belonging to this individual.
807	 *
808	 * @return int
809	 */
810	public function getNumberOfChildren() {
811		if (preg_match('/\n1 NCHI (\d+)(?:\n|$)/', $this->getGedcom(), $match)) {
812			return $match[1];
813		} else {
814			$children = array();
815			foreach ($this->getSpouseFamilies() as $fam) {
816				foreach ($fam->getChildren() as $child) {
817					$children[$child->getXref()] = true;
818				}
819			}
820
821			return count($children);
822		}
823	}
824
825	/**
826	 * Get a list of this individual’s child families (i.e. their parents).
827	 *
828	 * @param int|null $access_level
829	 *
830	 * @return Family[]
831	 */
832	public function getChildFamilies($access_level = null) {
833		if ($access_level === null) {
834			$access_level = Auth::accessLevel($this->tree);
835		}
836
837		$SHOW_PRIVATE_RELATIONSHIPS = $this->tree->getPreference('SHOW_PRIVATE_RELATIONSHIPS');
838
839		$families = array();
840		foreach ($this->getFacts('FAMC', false, $access_level, $SHOW_PRIVATE_RELATIONSHIPS) as $fact) {
841			$family = $fact->getTarget();
842			if ($family && ($SHOW_PRIVATE_RELATIONSHIPS || $family->canShow($access_level))) {
843				$families[] = $family;
844			}
845		}
846
847		return $families;
848	}
849
850	/**
851	 * Get the preferred parents for this individual.
852	 *
853	 * An individual may multiple parents (e.g. birth, adopted, disputed).
854	 * The preferred family record is:
855	 * (a) the first one with an explicit tag "_PRIMARY Y"
856	 * (b) the first one with a pedigree of "birth"
857	 * (c) the first one with no pedigree (default is "birth")
858	 * (d) the first one found
859	 *
860	 * @return Family|null
861	 */
862	public function getPrimaryChildFamily() {
863		$families = $this->getChildFamilies();
864		switch (count($families)) {
865		case 0:
866			return null;
867		case 1:
868			return reset($families);
869		default:
870			// If there is more than one FAMC record, choose the preferred parents:
871			// a) records with '2 _PRIMARY'
872			foreach ($families as $famid => $fam) {
873				if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 _PRIMARY Y)/", $this->getGedcom())) {
874					return $fam;
875				}
876			}
877			// b) records with '2 PEDI birt'
878			foreach ($families as $famid => $fam) {
879				if (preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI birth)/", $this->getGedcom())) {
880					return $fam;
881				}
882			}
883			// c) records with no '2 PEDI'
884			foreach ($families as $famid => $fam) {
885				if (!preg_match("/\n1 FAMC @{$famid}@\n(?:[2-9].*\n)*(?:2 PEDI)/", $this->getGedcom())) {
886					return $fam;
887				}
888			}
889
890			// d) any record
891			return reset($families);
892		}
893	}
894
895	/**
896	 * Get a list of step-parent families.
897	 *
898	 * @return Family[]
899	 */
900	public function getChildStepFamilies() {
901		$step_families = array();
902		$families      = $this->getChildFamilies();
903		foreach ($families as $family) {
904			$father = $family->getHusband();
905			if ($father) {
906				foreach ($father->getSpouseFamilies() as $step_family) {
907					if (!in_array($step_family, $families, true)) {
908						$step_families[] = $step_family;
909					}
910				}
911			}
912			$mother = $family->getWife();
913			if ($mother) {
914				foreach ($mother->getSpouseFamilies() as $step_family) {
915					if (!in_array($step_family, $families, true)) {
916						$step_families[] = $step_family;
917					}
918				}
919			}
920		}
921
922		return $step_families;
923	}
924
925	/**
926	 * Get a list of step-parent families.
927	 *
928	 * @return Family[]
929	 */
930	public function getSpouseStepFamilies() {
931		$step_families = array();
932		$families      = $this->getSpouseFamilies();
933		foreach ($families as $family) {
934			$spouse = $family->getSpouse($this);
935			if ($spouse) {
936				foreach ($family->getSpouse($this)->getSpouseFamilies() as $step_family) {
937					if (!in_array($step_family, $families, true)) {
938						$step_families[] = $step_family;
939					}
940				}
941			}
942		}
943
944		return $step_families;
945	}
946
947	/**
948	 * A label for a parental family group
949	 *
950	 * @param Family $family
951	 *
952	 * @return string
953	 */
954	public function getChildFamilyLabel(Family $family) {
955		if (preg_match('/\n1 FAMC @' . $family->getXref() . '@(?:\n[2-9].*)*\n2 PEDI (.+)/', $this->getGedcom(), $match)) {
956			// A specified pedigree
957			return GedcomCodePedi::getChildFamilyLabel($match[1]);
958		} else {
959			// Default (birth) pedigree
960			return GedcomCodePedi::getChildFamilyLabel('');
961		}
962	}
963
964	/**
965	 * Create a label for a step family
966	 *
967	 * @param Family $step_family
968	 *
969	 * @return string
970	 */
971	public function getStepFamilyLabel(Family $step_family) {
972		foreach ($this->getChildFamilies() as $family) {
973			if ($family !== $step_family) {
974				// Must be a step-family
975				foreach ($family->getSpouses() as $parent) {
976					foreach ($step_family->getSpouses() as $step_parent) {
977						if ($parent === $step_parent) {
978							// One common parent - must be a step family
979							if ($parent->getSex() == 'M') {
980								// Father’s family with someone else
981								if ($step_family->getSpouse($step_parent)) {
982									return
983										/* I18N: A step-family.  %s is an individual’s name */
984										I18N::translate('Father’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
985								} else {
986									return
987										/* I18N: A step-family. */
988										I18N::translate('Father’s family with an unknown individual');
989								}
990							} else {
991								// Mother’s family with someone else
992								if ($step_family->getSpouse($step_parent)) {
993									return
994										/* I18N: A step-family.  %s is an individual’s name */
995										I18N::translate('Mother’s family with %s', $step_family->getSpouse($step_parent)->getFullName());
996								} else {
997									return
998										/* I18N: A step-family. */
999										I18N::translate('Mother’s family with an unknown individual');
1000								}
1001							}
1002						}
1003					}
1004				}
1005			}
1006		}
1007
1008		// Perahps same parents - but a different family record?
1009		return I18N::translate('Family with parents');
1010	}
1011
1012	/**
1013	 * @todo this function does not belong in this class
1014	 *
1015	 * @param Family $family
1016	 *
1017	 * @return string
1018	 */
1019	public function getSpouseFamilyLabel(Family $family) {
1020		$spouse = $family->getSpouse($this);
1021		if ($spouse) {
1022			return
1023				/* I18N: %s is the spouse name */
1024				I18N::translate('Family with %s', $spouse->getFullName());
1025		} else {
1026			return $family->getFullName();
1027		}
1028	}
1029
1030	/**
1031	 * get primary parents names for this individual
1032	 *
1033	 * @param string $classname optional css class
1034	 * @param string $display   optional css style display
1035	 *
1036	 * @return string a div block with father & mother names
1037	 */
1038	public function getPrimaryParentsNames($classname = '', $display = '') {
1039		$fam = $this->getPrimaryChildFamily();
1040		if (!$fam) {
1041			return '';
1042		}
1043		$txt = '<div';
1044		if ($classname) {
1045			$txt .= " class=\"$classname\"";
1046		}
1047		if ($display) {
1048			$txt .= " style=\"display:$display\"";
1049		}
1050		$txt .= '>';
1051		$husb = $fam->getHusband();
1052		if ($husb) {
1053			// Temporarily reset the 'prefered' display name, as we always
1054			// want the default name, not the one selected for display on the indilist.
1055			$primary = $husb->getPrimaryName();
1056			$husb->setPrimaryName(null);
1057			$txt .=
1058				/* I18N: %s is the name of an individual’s father */
1059				I18N::translate('Father: %s', $husb->getFullName()) . '<br>';
1060			$husb->setPrimaryName($primary);
1061		}
1062		$wife = $fam->getWife();
1063		if ($wife) {
1064			// Temporarily reset the 'prefered' display name, as we always
1065			// want the default name, not the one selected for display on the indilist.
1066			$primary = $wife->getPrimaryName();
1067			$wife->setPrimaryName(null);
1068			$txt .=
1069				/* I18N: %s is the name of an individual’s mother */
1070				I18N::translate('Mother: %s', $wife->getFullName());
1071			$wife->setPrimaryName($primary);
1072		}
1073		$txt .= '</div>';
1074
1075		return $txt;
1076	}
1077
1078	/** {@inheritdoc} */
1079	public function getFallBackName() {
1080		return '@P.N. /@N.N./';
1081	}
1082
1083	/**
1084	 * Convert a name record into ‘full’ and ‘sort’ versions.
1085	 * Use the NAME field to generate the ‘full’ version, as the
1086	 * gedcom spec says that this is the individual’s name, as they would write it.
1087	 * Use the SURN field to generate the sortable names.  Note that this field
1088	 * may also be used for the ‘true’ surname, perhaps spelt differently to that
1089	 * recorded in the NAME field. e.g.
1090	 *
1091	 * 1 NAME Robert /de Gliderow/
1092	 * 2 GIVN Robert
1093	 * 2 SPFX de
1094	 * 2 SURN CLITHEROW
1095	 * 2 NICK The Bald
1096	 *
1097	 * full=>'Robert de Gliderow 'The Bald''
1098	 * sort=>'CLITHEROW, ROBERT'
1099	 *
1100	 * Handle multiple surnames, either as;
1101	 *
1102	 * 1 NAME Carlos /Vasquez/ y /Sante/
1103	 * or
1104	 * 1 NAME Carlos /Vasquez y Sante/
1105	 * 2 GIVN Carlos
1106	 * 2 SURN Vasquez,Sante
1107	 *
1108	 * @param string $type
1109	 * @param string $full
1110	 * @param string $gedcom
1111	 */
1112	protected function addName($type, $full, $gedcom) {
1113		global $UNKNOWN_NN, $UNKNOWN_PN;
1114
1115		////////////////////////////////////////////////////////////////////////////
1116		// Extract the structured name parts - use for "sortable" names and indexes
1117		////////////////////////////////////////////////////////////////////////////
1118
1119		$sublevel = 1 + (int) $gedcom[0];
1120		$NPFX     = preg_match("/\n{$sublevel} NPFX (.+)/", $gedcom, $match) ? $match[1] : '';
1121		$GIVN     = preg_match("/\n{$sublevel} GIVN (.+)/", $gedcom, $match) ? $match[1] : '';
1122		$SURN     = preg_match("/\n{$sublevel} SURN (.+)/", $gedcom, $match) ? $match[1] : '';
1123		$NSFX     = preg_match("/\n{$sublevel} NSFX (.+)/", $gedcom, $match) ? $match[1] : '';
1124		$NICK     = preg_match("/\n{$sublevel} NICK (.+)/", $gedcom, $match) ? $match[1] : '';
1125
1126		// SURN is an comma-separated list of surnames...
1127		if ($SURN) {
1128			$SURNS = preg_split('/ *, */', $SURN);
1129		} else {
1130			$SURNS = array();
1131		}
1132		// ...so is GIVN - but nobody uses it like that
1133		$GIVN = str_replace('/ *, */', ' ', $GIVN);
1134
1135		////////////////////////////////////////////////////////////////////////////
1136		// Extract the components from NAME - use for the "full" names
1137		////////////////////////////////////////////////////////////////////////////
1138
1139		// Fix bad slashes.  e.g. 'John/Smith' => 'John/Smith/'
1140		if (substr_count($full, '/') % 2 == 1) {
1141			$full = $full . '/';
1142		}
1143
1144		// GEDCOM uses "//" to indicate an unknown surname
1145		$full = preg_replace('/\/\//', '/@N.N./', $full);
1146
1147		// Extract the surname.
1148		// Note, there may be multiple surnames, e.g. Jean /Vasquez/ y /Cortes/
1149		if (preg_match('/\/.*\//', $full, $match)) {
1150			$surname = str_replace('/', '', $match[0]);
1151		} else {
1152			$surname = '';
1153		}
1154
1155		// If we don’t have a SURN record, extract it from the NAME
1156		if (!$SURNS) {
1157			if (preg_match_all('/\/([^\/]*)\//', $full, $matches)) {
1158				// There can be many surnames, each wrapped with '/'
1159				$SURNS = $matches[1];
1160				foreach ($SURNS as $n => $SURN) {
1161					// Remove surname prefixes, such as "van de ", "d'" and "'t " (lower case only)
1162					$SURNS[$n] = preg_replace('/^(?:[a-z]+ |[a-z]+\' ?|\'[a-z]+ )+/', '', $SURN);
1163				}
1164			} else {
1165				// It is valid not to have a surname at all
1166				$SURNS = array('');
1167			}
1168		}
1169
1170		// If we don’t have a GIVN record, extract it from the NAME
1171		if (!$GIVN) {
1172			$GIVN = preg_replace(
1173				array(
1174					'/ ?\/.*\/ ?/', // remove surname
1175					'/ ?".+"/', // remove nickname
1176					'/ {2,}/', // multiple spaces, caused by the above
1177					'/^ | $/', // leading/trailing spaces, caused by the above
1178				),
1179				array(
1180					' ',
1181					' ',
1182					' ',
1183					'',
1184				),
1185				$full
1186			);
1187		}
1188
1189		// Add placeholder for unknown given name
1190		if (!$GIVN) {
1191			$GIVN = '@P.N.';
1192			$pos  = strpos($full, '/');
1193			$full = substr($full, 0, $pos) . '@P.N. ' . substr($full, $pos);
1194		}
1195
1196		// The NPFX field might be present, but not appear in the NAME
1197		if ($NPFX && strpos($full, "$NPFX ") !== 0) {
1198			$full = "$NPFX $full";
1199		}
1200
1201		// The NSFX field might be present, but not appear in the NAME
1202		if ($NSFX && strrpos($full, " $NSFX") !== strlen($full) - strlen(" $NSFX")) {
1203			$full = "$full $NSFX";
1204		}
1205
1206		// GEDCOM nicknames should be specificied in a NICK field, or in the
1207		// NAME filed, surrounded by ASCII quotes (or both).
1208		if ($NICK && strpos($full, '"' . $NICK . '"') === false) {
1209			// A NICK field is present, but not included in the NAME.
1210			$pos = strpos($full, '/');
1211			if ($pos === false) {
1212				// No surname - just append it
1213				$full .= ' "' . $NICK . '"';
1214			} else {
1215				// Insert before surname
1216				$full = substr($full, 0, $pos) . '"' . $NICK . '" ' . substr($full, $pos);
1217			}
1218		}
1219
1220		// Remove slashes - they don’t get displayed
1221		// $fullNN keeps the @N.N. placeholders, for the database
1222		// $full is for display on-screen
1223		$fullNN = str_replace('/', '', $full);
1224
1225		// Insert placeholders for any missing/unknown names
1226		$full = str_replace('@N.N.', $UNKNOWN_NN, $full);
1227		$full = str_replace('@P.N.', $UNKNOWN_PN, $full);
1228		// Localise quotation marks around the nickname
1229		$full = preg_replace_callback('/"([^"]*)"/', function ($matches) { return I18N::translate('“%s”', $matches[1]); }, $full);
1230		// Format for display
1231		$full = '<span class="NAME" dir="auto" translate="no">' . preg_replace('/\/([^\/]*)\//', '<span class="SURN">$1</span>', Filter::escapeHtml($full)) . '</span>';
1232
1233		// A suffix of “*” indicates a preferred name
1234		$full = preg_replace('/([^ >]*)\*/', '<span class="starredname">\\1</span>', $full);
1235
1236		// Remove prefered-name indicater - they don’t go in the database
1237		$GIVN   = str_replace('*', '', $GIVN);
1238		$fullNN = str_replace('*', '', $fullNN);
1239
1240		foreach ($SURNS as $SURN) {
1241			// Scottish 'Mc and Mac ' prefixes both sort under 'Mac'
1242			if (strcasecmp(substr($SURN, 0, 2), 'Mc') == 0) {
1243				$SURN = substr_replace($SURN, 'Mac', 0, 2);
1244			} elseif (strcasecmp(substr($SURN, 0, 4), 'Mac ') == 0) {
1245				$SURN = substr_replace($SURN, 'Mac', 0, 4);
1246			}
1247
1248			$this->_getAllNames[] = array(
1249				'type'    => $type,
1250				'sort'    => $SURN . ',' . $GIVN,
1251				'full'    => $full, // This is used for display
1252				'fullNN'  => $fullNN, // This goes into the database
1253				'surname' => $surname, // This goes into the database
1254				'givn'    => $GIVN, // This goes into the database
1255				'surn'    => $SURN, // This goes into the database
1256			);
1257		}
1258	}
1259
1260	/**
1261	 * Get an array of structures containing all the names in the record
1262	 */
1263	public function extractNames() {
1264		$this->extractNamesFromFacts(1, 'NAME', $this->getFacts('NAME', false, Auth::accessLevel($this->tree), $this->canShowName()));
1265	}
1266
1267	/**
1268	 * Extra info to display when displaying this record in a list of
1269	 * selection items or favorites.
1270	 *
1271	 * @return string
1272	 */
1273	public function formatListDetails() {
1274		return
1275			$this->formatFirstMajorFact(WT_EVENTS_BIRT, 1) .
1276			$this->formatFirstMajorFact(WT_EVENTS_DEAT, 1);
1277	}
1278
1279	/**
1280	 * Create a short name for compact display on charts
1281	 *
1282	 * @return string
1283	 */
1284	public function getShortName() {
1285		global $bwidth, $UNKNOWN_NN, $UNKNOWN_PN;
1286
1287		// Estimate number of characters that can fit in box. Calulates to 28 characters in webtrees theme, or 34 if no thumbnail used.
1288		if ($this->tree->getPreference('SHOW_HIGHLIGHT_IMAGES')) {
1289			$char = intval(($bwidth - 40) / 6.5);
1290		} else {
1291			$char = ($bwidth / 6.5);
1292		}
1293		if ($this->canShowName()) {
1294			$tmp        = $this->getAllNames();
1295			$givn       = $tmp[$this->getPrimaryName()]['givn'];
1296			$surn       = $tmp[$this->getPrimaryName()]['surname'];
1297			$new_givn   = explode(' ', $givn);
1298			$count_givn = count($new_givn);
1299			$len_givn   = mb_strlen($givn);
1300			$len_surn   = mb_strlen($surn);
1301			$len        = $len_givn + $len_surn;
1302			$i          = 1;
1303			while ($len > $char && $i <= $count_givn) {
1304				$new_givn[$count_givn - $i] = mb_substr($new_givn[$count_givn - $i], 0, 1);
1305				$givn                       = implode(' ', $new_givn);
1306				$len_givn                   = mb_strlen($givn);
1307				$len                        = $len_givn + $len_surn;
1308				$i++;
1309			}
1310			$max_surn = $char - $i * 2;
1311			if ($len_surn > $max_surn) {
1312				$surn = substr($surn, 0, $max_surn) . '…';
1313			}
1314			$shortname = str_replace(
1315				array('@P.N.', '@N.N.'),
1316				array($UNKNOWN_PN, $UNKNOWN_NN),
1317				$givn . ' ' . $surn
1318			);
1319
1320			return $shortname;
1321		} else {
1322			return I18N::translate('Private');
1323		}
1324	}
1325}
1326