Relationship::fixed() - Code Metrics - Inspection of "Working on GEDCOM elements" - fisharebest/webtrees - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( b33d79...ec48d8 )

by Greg

created 2021-04-21 12:54 UTC

Relationship::fixed() A

↳ Parent: Relationship

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	2
dl	0
loc	3
rs	10

<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2021 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees;

use Closure;

use function abs;
use function array_slice;
use function count;
use function in_array;
use function intdiv;
use function min;

/**
 * Class Relationship - define a relationship for a language.
 */
class Relationship
{
    // The basic components of a relationship.
    // These strings are needed for compatibility with the legacy algorithm.
    // Once that has been replaced, it may be more efficient to use integers here.
    public const SISTER   = 'sis';
    public const BROTHER  = 'bro';
    public const SIBLING  = 'sib';
    public const MOTHER   = 'mot';
    public const FATHER   = 'fat';
    public const PARENT   = 'par';
    public const DAUGHTER = 'dau';
    public const SON      = 'son';
    public const CHILD    = 'chi';
    public const WIFE     = 'wif';
    public const HUSBAND  = 'hus';
    public const SPOUSE   = 'spo';

    public const SIBLINGS = ['F' => self::SISTER, 'M' => self::BROTHER, 'U' => self::SIBLING];
    public const PARENTS  = ['F' => self::MOTHER, 'M' => self::FATHER, 'U' => self::PARENT];
    public const CHILDREN = ['F' => self::DAUGHTER, 'M' => self::SON, 'U' => self::CHILD];
    public const SPOUSES  = ['F' => self::WIFE, 'M' => self::HUSBAND, 'U' => self::SPOUSE];

    // Generates a name from the matched relationship.
    private Closure $callback;

    // List of rules that need to match.
    private array $matchers;

    /**
     * Relationship constructor.
     *
     * @param Closure $callback
     */
    private function __construct(Closure $callback)
    {
        $this->callback = $callback;
        $this->matchers = [];
    }

    /**
     * Allow fluent constructor.
     *
     * @param string $nominative
     * @param string $genitive
     *
     * @return Relationship
     */
    public static function fixed(string $nominative, string $genitive): Relationship
    {
        return new static(fn () => [$nominative, $genitive]);
    }

    /**
     * Allow fluent constructor.
     *
     * @param Closure $callback
     *
     * @return Relationship
     */
    public static function dynamic(Closure $callback): Relationship
    {
        return new static($callback);
    }

    /**
     * Does this relationship match the pattern?
     *
     * @param array<Individual|Family> $nodes
     * @param array<string>            $patterns
     *
     * @return array [nominative, genitive] or null
     */
    public function match(array $nodes, array $patterns): ?array
    {
        $captures = [];

        foreach ($this->matchers as $matcher) {
            if (!$matcher($nodes, $patterns, $captures)) {
                return null;
            }
        }

        if ($patterns === []) {
            return ($this->callback)(...$captures);
        }

        return null;
    }

    /**
     * @return Relationship
     */
    public function adopted(): Relationship
    {
        $this->matchers[] = fn (array $nodes): bool => count($nodes) > 2 && $nodes[2]
                ->facts(['FAMC'], false, Auth::PRIV_HIDE)
                ->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'adopted');

        return $this;
    }

    /**
     * @return Relationship
     */
    public function adoptive(): Relationship
    {
        $this->matchers[] = fn (array $nodes): bool => $nodes[0]
            ->facts(['FAMC'], false, Auth::PRIV_HIDE)
            ->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'adopted');

        return $this;
    }

    /**
     * @return Relationship
     */
    public function brother(): Relationship
    {
        return $this->relation([self::BROTHER]);
    }

    /**
     * Match the next relationship in the path.
     *
     * @param array<string> $relationships
     *
     * @return Relationship
     */
    protected function relation(array $relationships): Relationship
    {
        $this->matchers[] = static function (array &$nodes, array &$patterns) use ($relationships): bool {
            if (in_array($patterns[0] ?? '', $relationships, true)) {
                $nodes    = array_slice($nodes, 2);
                $patterns = array_slice($patterns, 1);

                return true;
            }

            return false;
        };

        return $this;
    }

    /**
     * The number of ancestors may be different to the number of descendants
     *
     * @return Relationship
     */
    public function cousin(): Relationship
    {
        return $this->ancestor()->sibling()->descendant();
    }

    /**
     * @return Relationship
     */
    public function descendant(): Relationship
    {
        return $this->repeatedRelationship(self::CHILDREN);
    }

    /**
     * Match a repeated number of the same type of component
     *
     * @param array<string> $relationships
     *
     * @return Relationship
     */
    protected function repeatedRelationship(array $relationships): Relationship
    {
        $this->matchers[] = static function (array &$nodes, array &$patterns, array &$captures) use ($relationships): bool {
            $limit = min(intdiv(count($nodes), 2), count($patterns));

            for ($generations = 0; $generations < $limit; ++$generations) {
                if (!in_array($patterns[$generations], $relationships, true)) {
                    break;
                }
            }

            if ($generations > 0) {
                $nodes      = array_slice($nodes, 2 * $generations);
                $patterns   = array_slice($patterns, $generations);
                $captures[] = $generations;

                return true;
            }

            return false;
        };

        return $this;
    }

    /**
     * @return Relationship
     */
    public function sibling(): Relationship
    {
        return $this->relation(self::SIBLINGS);
    }

    /**
     * @return Relationship
     */
    public function ancestor(): Relationship
    {
        return $this->repeatedRelationship(self::PARENTS);
    }

    /**
     * @return Relationship
     */
    public function child(): Relationship
    {
        return $this->relation(self::CHILDREN);
    }

    /**
     * @return Relationship
     */
    public function daughter(): Relationship
    {
        return $this->relation([self::DAUGHTER]);
    }

    /**
     * @return Relationship
     */
    public function divorced(): Relationship
    {
        return $this->marriageStatus('DIV');
    }

    /**
     * Match a marriage status
     *
     * @param string $status
     *
     * @return Relationship
     */
    protected function marriageStatus(string $status): Relationship
    {
        $this->matchers[] = static function (array $nodes) use ($status): bool {
            $family = $nodes[1] ?? null;

            if ($family instanceof Family) {
                $fact = $family->facts(['ENGA', 'MARR', 'DIV', 'ANUL'], true, Auth::PRIV_HIDE)->last();

                if ($fact instanceof Fact) {
                    switch ($status) {
                        case 'MARR':
                            return $fact->tag() === 'FAM:MARR';

                        case 'DIV':
                            return $fact->tag() === 'FAM:DIV' || $fact->tag() === 'FAM:ANUL';

                        case 'ENGA':
                            return $fact->tag() === 'FAM:ENGA';
                    }
                }
            }

            return false;
        };

        return $this;
    }

    /**
     * @return Relationship
     */
    public function engaged(): Relationship
    {
        return $this->marriageStatus('ENGA');
    }

    /**
     * @return Relationship
     */
    public function father(): Relationship
    {
        return $this->relation([self::FATHER]);
    }

    /**
     * @return Relationship
     */
    public function female(): Relationship
    {
        return $this->sex('F');
    }

    /**
     * Match the sex of the current individual
     *
     * @param string $sex
     *
     * @return Relationship
     */
    protected function sex(string $sex): Relationship
    {
        $this->matchers[] = static function (array $nodes) use ($sex): bool {
            return $nodes[0]->sex() === $sex;
        };

        return $this;
    }

    /**
     * @return Relationship
     */
    public function fostered(): Relationship
    {
        $this->matchers[] = fn (array $nodes): bool => count($nodes) > 2 && $nodes[2]
                ->facts(['FAMC'], false, Auth::PRIV_HIDE)
                ->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'foster');

        return $this;
    }

    /**
     * @return Relationship
     */
    public function fostering(): Relationship
    {
        $this->matchers[] = fn (array $nodes): bool => $nodes[0]
            ->facts(['FAMC'], false, Auth::PRIV_HIDE)
            ->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'foster');

        return $this;
    }

    /**
     * @return Relationship
     */
    public function husband(): Relationship
    {
        return $this->married()->relation([self::HUSBAND]);
    }

    /**
     * @return Relationship
     */
    public function married(): Relationship
    {
        return $this->marriageStatus('MARR');
    }

    /**
     * @return Relationship
     */
    public function male(): Relationship
    {
        return $this->sex('M');
    }

    /**
     * @return Relationship
     */
    public function mother(): Relationship
    {
        return $this->relation([self::MOTHER]);
    }

    /**
     * @return Relationship
     */
    public function older(): Relationship
    {
        $this->matchers[] = static function (array $nodes): bool {
            $date1 = $nodes[0]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
            $date2 = $nodes[2]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');

            return Date::compare($date1, $date2) > 0;
        };

        return $this;
    }

    /**
     * @return Relationship
     */
    public function parent(): Relationship
    {
        return $this->relation(self::PARENTS);
    }

    /**
     * @return Relationship
     */
    public function sister(): Relationship
    {
        return $this->relation([self::SISTER]);
    }

    /**
     * @return Relationship
     */
    public function son(): Relationship
    {
        return $this->relation([self::SON]);
    }

    /**
     * @return Relationship
     */
    public function spouse(): Relationship
    {
        return $this->married()->partner();
    }

    /**
     * @return Relationship
     */
    public function partner(): Relationship
    {
        return $this->relation(self::SPOUSES);
    }

    /**
     * The number of ancestors must be the same as the number of descendants
     *
     * @return Relationship
     */
    public function symmetricCousin(): Relationship
    {
        $this->matchers[] = static function (array &$nodes, array &$patterns, array &$captures): bool {
            $count = count($patterns);

            $n = 0;

            // Ancestors
            while ($n < $count && in_array($patterns[$n], Relationship::PARENTS, true)) {
                $n++;
            }

            // No ancestors?  Not enough path left for descendants?
            if ($n === 0 || $n * 2 + 1 !== $count) {
                return false;
            }

            // Siblings
            if (!in_array($patterns[$n], Relationship::SIBLINGS, true)) {
                return false;
            }

            // Descendants
            for ($descendants = $n + 1; $descendants < $count; ++$descendants) {
                if (!in_array($patterns[$descendants], Relationship::CHILDREN, true)) {
                    return false;
                }
            }


            $nodes      = array_slice($nodes, 2 * (2 * $n + 1));
            $patterns   = [];
            $captures[] = $n;

            return true;
        };

        return $this;
    }

    /**
     * @return Relationship
     */
    public function twin(): Relationship
    {
        $this->matchers[] = static function (array $nodes): bool {
            $date1 = $nodes[0]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
            $date2 = $nodes[2]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');

            return
                $date1->isOK() &&
                $date2->isOK() &&
                abs($date1->julianDay() - $date2->julianDay()) < 2 &&
                $date1->minimumDate()->day > 0 &&
                $date2->minimumDate()->day > 0;
        };

        return $this;
    }

    /**
     * @return Relationship
     */
    public function wife(): Relationship
    {
        return $this->married()->relation([self::WIFE]);
    }

    /**
     * @return Relationship
     */
    public function younger(): Relationship
    {
        $this->matchers[] = static function (array $nodes): bool {
            $date1 = $nodes[0]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
            $date2 = $nodes[2]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');

            return Date::compare($date1, $date2) < 0;
        };

        return $this;
    }
}


1			<?php
2
3			/**
4			* webtrees: online genealogy
5			* Copyright (C) 2021 webtrees development team
6			* This program is free software: you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation, either version 3 of the License, or
9			* (at your option) any later version.
10			* This program is distributed in the hope that it will be useful,
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			* GNU General Public License for more details.
14			* You should have received a copy of the GNU General Public License
15			* along with this program. If not, see <https://www.gnu.org/licenses/>.
16			*/
17
18			declare(strict_types=1);
19
20			namespace Fisharebest\Webtrees;
21
22			use Closure;
23
24			use function abs;
25			use function array_slice;
26			use function count;
27			use function in_array;
28			use function intdiv;
29			use function min;
30
31			/**
32			* Class Relationship - define a relationship for a language.
33			*/
34			class Relationship
35			{
36			// The basic components of a relationship.
37			// These strings are needed for compatibility with the legacy algorithm.
38			// Once that has been replaced, it may be more efficient to use integers here.
39			public const SISTER = 'sis';
40			public const BROTHER = 'bro';
41			public const SIBLING = 'sib';
42			public const MOTHER = 'mot';
43			public const FATHER = 'fat';
44			public const PARENT = 'par';
45			public const DAUGHTER = 'dau';
46			public const SON = 'son';
47			public const CHILD = 'chi';
48			public const WIFE = 'wif';
49			public const HUSBAND = 'hus';
50			public const SPOUSE = 'spo';
51
52			public const SIBLINGS = ['F' => self::SISTER, 'M' => self::BROTHER, 'U' => self::SIBLING];
53			public const PARENTS = ['F' => self::MOTHER, 'M' => self::FATHER, 'U' => self::PARENT];
54			public const CHILDREN = ['F' => self::DAUGHTER, 'M' => self::SON, 'U' => self::CHILD];
55			public const SPOUSES = ['F' => self::WIFE, 'M' => self::HUSBAND, 'U' => self::SPOUSE];
56
57			// Generates a name from the matched relationship.
58			private Closure $callback;
59
60			// List of rules that need to match.
61			private array $matchers;
62
63			/**
64			* Relationship constructor.
65			*
66			* @param Closure $callback
67			*/
68			private function __construct(Closure $callback)
69			{
70			$this->callback = $callback;
71			$this->matchers = [];
72			}
73
74			/**
75			* Allow fluent constructor.
76			*
77			* @param string $nominative
78			* @param string $genitive
79			*
80			* @return Relationship
81			*/
82			public static function fixed(string $nominative, string $genitive): Relationship
83			{
84			return new static(fn () => [$nominative, $genitive]);
85			}
86
87			/**
88			* Allow fluent constructor.
89			*
90			* @param Closure $callback
91			*
92			* @return Relationship
93			*/
94			public static function dynamic(Closure $callback): Relationship
95			{
96			return new static($callback);
97			}
98
99			/**
100			* Does this relationship match the pattern?
101			*
102			* @param array<Individual\|Family> $nodes
103			* @param array<string> $patterns
104			*
105			* @return array [nominative, genitive] or null
106			*/
107			public function match(array $nodes, array $patterns): ?array
108			{
109			$captures = [];
110
111			foreach ($this->matchers as $matcher) {
112			if (!$matcher($nodes, $patterns, $captures)) {
113			return null;
114			}
115			}
116
117			if ($patterns === []) {
118			return ($this->callback)(...$captures);
119			}
120
121			return null;
122			}
123
124			/**
125			* @return Relationship
126			*/
127			public function adopted(): Relationship
128			{
129			$this->matchers[] = fn (array $nodes): bool => count($nodes) > 2 && $nodes[2]
130			->facts(['FAMC'], false, Auth::PRIV_HIDE)
131			->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'adopted');
132
133			return $this;
134			}
135
136			/**
137			* @return Relationship
138			*/
139			public function adoptive(): Relationship
140			{
141			$this->matchers[] = fn (array $nodes): bool => $nodes[0]
142			->facts(['FAMC'], false, Auth::PRIV_HIDE)
143			->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'adopted');
144
145			return $this;
146			}
147
148			/**
149			* @return Relationship
150			*/
151			public function brother(): Relationship
152			{
153			return $this->relation([self::BROTHER]);
154			}
155
156			/**
157			* Match the next relationship in the path.
158			*
159			* @param array<string> $relationships
160			*
161			* @return Relationship
162			*/
163			protected function relation(array $relationships): Relationship
164			{
165			$this->matchers[] = static function (array &$nodes, array &$patterns) use ($relationships): bool {
166			if (in_array($patterns[0] ?? '', $relationships, true)) {
167			$nodes = array_slice($nodes, 2);
168			$patterns = array_slice($patterns, 1);
169
170			return true;
171			}
172
173			return false;
174			};
175
176			return $this;
177			}
178
179			/**
180			* The number of ancestors may be different to the number of descendants
181			*
182			* @return Relationship
183			*/
184			public function cousin(): Relationship
185			{
186			return $this->ancestor()->sibling()->descendant();
187			}
188
189			/**
190			* @return Relationship
191			*/
192			public function descendant(): Relationship
193			{
194			return $this->repeatedRelationship(self::CHILDREN);
195			}
196
197			/**
198			* Match a repeated number of the same type of component
199			*
200			* @param array<string> $relationships
201			*
202			* @return Relationship
203			*/
204			protected function repeatedRelationship(array $relationships): Relationship
205			{
206			$this->matchers[] = static function (array &$nodes, array &$patterns, array &$captures) use ($relationships): bool {
207			$limit = min(intdiv(count($nodes), 2), count($patterns));
208
209			for ($generations = 0; $generations < $limit; ++$generations) {
210			if (!in_array($patterns[$generations], $relationships, true)) {
211			break;
212			}
213			}
214
215			if ($generations > 0) {
216			$nodes = array_slice($nodes, 2 * $generations);
217			$patterns = array_slice($patterns, $generations);
218			$captures[] = $generations;
219
220			return true;
221			}
222
223			return false;
224			};
225
226			return $this;
227			}
228
229			/**
230			* @return Relationship
231			*/
232			public function sibling(): Relationship
233			{
234			return $this->relation(self::SIBLINGS);
235			}
236
237			/**
238			* @return Relationship
239			*/
240			public function ancestor(): Relationship
241			{
242			return $this->repeatedRelationship(self::PARENTS);
243			}
244
245			/**
246			* @return Relationship
247			*/
248			public function child(): Relationship
249			{
250			return $this->relation(self::CHILDREN);
251			}
252
253			/**
254			* @return Relationship
255			*/
256			public function daughter(): Relationship
257			{
258			return $this->relation([self::DAUGHTER]);
259			}
260
261			/**
262			* @return Relationship
263			*/
264			public function divorced(): Relationship
265			{
266			return $this->marriageStatus('DIV');
267			}
268
269			/**
270			* Match a marriage status
271			*
272			* @param string $status
273			*
274			* @return Relationship
275			*/
276			protected function marriageStatus(string $status): Relationship
277			{
278			$this->matchers[] = static function (array $nodes) use ($status): bool {
279			$family = $nodes[1] ?? null;
280
281			if ($family instanceof Family) {
282			$fact = $family->facts(['ENGA', 'MARR', 'DIV', 'ANUL'], true, Auth::PRIV_HIDE)->last();
283
284			if ($fact instanceof Fact) {
285			switch ($status) {
286			case 'MARR':
287			return $fact->tag() === 'FAM:MARR';
288
289			case 'DIV':
290			return $fact->tag() === 'FAM:DIV' \|\| $fact->tag() === 'FAM:ANUL';
291
292			case 'ENGA':
293			return $fact->tag() === 'FAM:ENGA';
294			}
295			}
296			}
297
298			return false;
299			};
300
301			return $this;
302			}
303
304			/**
305			* @return Relationship
306			*/
307			public function engaged(): Relationship
308			{
309			return $this->marriageStatus('ENGA');
310			}
311
312			/**
313			* @return Relationship
314			*/
315			public function father(): Relationship
316			{
317			return $this->relation([self::FATHER]);
318			}
319
320			/**
321			* @return Relationship
322			*/
323			public function female(): Relationship
324			{
325			return $this->sex('F');
326			}
327
328			/**
329			* Match the sex of the current individual
330			*
331			* @param string $sex
332			*
333			* @return Relationship
334			*/
335			protected function sex(string $sex): Relationship
336			{
337			$this->matchers[] = static function (array $nodes) use ($sex): bool {
338			return $nodes[0]->sex() === $sex;
339			};
340
341			return $this;
342			}
343
344			/**
345			* @return Relationship
346			*/
347			public function fostered(): Relationship
348			{
349			$this->matchers[] = fn (array $nodes): bool => count($nodes) > 2 && $nodes[2]
350			->facts(['FAMC'], false, Auth::PRIV_HIDE)
351			->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'foster');
352
353			return $this;
354			}
355
356			/**
357			* @return Relationship
358			*/
359			public function fostering(): Relationship
360			{
361			$this->matchers[] = fn (array $nodes): bool => $nodes[0]
362			->facts(['FAMC'], false, Auth::PRIV_HIDE)
363			->contains(fn (Fact $fact): bool => $fact->value() === '@' . $nodes[1]->xref() . '@' && $fact->attribute('PEDI') === 'foster');
364
365			return $this;
366			}
367
368			/**
369			* @return Relationship
370			*/
371			public function husband(): Relationship
372			{
373			return $this->married()->relation([self::HUSBAND]);
374			}
375
376			/**
377			* @return Relationship
378			*/
379			public function married(): Relationship
380			{
381			return $this->marriageStatus('MARR');
382			}
383
384			/**
385			* @return Relationship
386			*/
387			public function male(): Relationship
388			{
389			return $this->sex('M');
390			}
391
392			/**
393			* @return Relationship
394			*/
395			public function mother(): Relationship
396			{
397			return $this->relation([self::MOTHER]);
398			}
399
400			/**
401			* @return Relationship
402			*/
403			public function older(): Relationship
404			{
405			$this->matchers[] = static function (array $nodes): bool {
406			$date1 = $nodes[0]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
407			$date2 = $nodes[2]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
408
409			return Date::compare($date1, $date2) > 0;
410			};
411
412			return $this;
413			}
414
415			/**
416			* @return Relationship
417			*/
418			public function parent(): Relationship
419			{
420			return $this->relation(self::PARENTS);
421			}
422
423			/**
424			* @return Relationship
425			*/
426			public function sister(): Relationship
427			{
428			return $this->relation([self::SISTER]);
429			}
430
431			/**
432			* @return Relationship
433			*/
434			public function son(): Relationship
435			{
436			return $this->relation([self::SON]);
437			}
438
439			/**
440			* @return Relationship
441			*/
442			public function spouse(): Relationship
443			{
444			return $this->married()->partner();
445			}
446
447			/**
448			* @return Relationship
449			*/
450			public function partner(): Relationship
451			{
452			return $this->relation(self::SPOUSES);
453			}
454
455			/**
456			* The number of ancestors must be the same as the number of descendants
457			*
458			* @return Relationship
459			*/
460			public function symmetricCousin(): Relationship
461			{
462			$this->matchers[] = static function (array &$nodes, array &$patterns, array &$captures): bool {
463			$count = count($patterns);
464
465			$n = 0;
466
467			// Ancestors
468			while ($n < $count && in_array($patterns[$n], Relationship::PARENTS, true)) {
469			$n++;
470			}
471
472			// No ancestors? Not enough path left for descendants?
473			if ($n === 0 \|\| $n * 2 + 1 !== $count) {
474			return false;
475			}
476
477			// Siblings
478			if (!in_array($patterns[$n], Relationship::SIBLINGS, true)) {
479			return false;
480			}
481
482			// Descendants
483			for ($descendants = $n + 1; $descendants < $count; ++$descendants) {
484			if (!in_array($patterns[$descendants], Relationship::CHILDREN, true)) {
485			return false;
486			}
487			}
488
489
490			$nodes = array_slice($nodes, 2 * (2 * $n + 1));
491			$patterns = [];
492			$captures[] = $n;
493
494			return true;
495			};
496
497			return $this;
498			}
499
500			/**
501			* @return Relationship
502			*/
503			public function twin(): Relationship
504			{
505			$this->matchers[] = static function (array $nodes): bool {
506			$date1 = $nodes[0]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
507			$date2 = $nodes[2]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
508
509			return
510			$date1->isOK() &&
511			$date2->isOK() &&
512			abs($date1->julianDay() - $date2->julianDay()) < 2 &&
513			$date1->minimumDate()->day > 0 &&
514			$date2->minimumDate()->day > 0;
515			};
516
517			return $this;
518			}
519
520			/**
521			* @return Relationship
522			*/
523			public function wife(): Relationship
524			{
525			return $this->married()->relation([self::WIFE]);
526			}
527
528			/**
529			* @return Relationship
530			*/
531			public function younger(): Relationship
532			{
533			$this->matchers[] = static function (array $nodes): bool {
534			$date1 = $nodes[0]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
535			$date2 = $nodes[2]->facts(['BIRT'], false, Auth::PRIV_HIDE)->map(fn (Fact $fact): Date => $fact->date())->first() ?? new Date('');
536
537			return Date::compare($date1, $date2) < 0;
538			};
539
540			return $this;
541			}
542			}
543

fisharebest / webtrees

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Relationship::fixed() A

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