xref: /webtrees/app/Statistics/Repository/IndividualRepository.php (revision 9a3accd78795046143d5b995599032fcff82a467)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2019 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Statistics\Repository;
19
20use Fisharebest\Webtrees\Auth;
21use Fisharebest\Webtrees\Carbon;
22use Fisharebest\Webtrees\Functions\FunctionsDate;
23use Fisharebest\Webtrees\Functions\FunctionsPrintLists;
24use Fisharebest\Webtrees\Gedcom;
25use Fisharebest\Webtrees\GedcomRecord;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Individual;
28use Fisharebest\Webtrees\Module\IndividualListModule;
29use Fisharebest\Webtrees\Module\ModuleInterface;
30use Fisharebest\Webtrees\Module\ModuleListInterface;
31use Fisharebest\Webtrees\Services\ModuleService;
32use Fisharebest\Webtrees\Statistics\Google\ChartAge;
33use Fisharebest\Webtrees\Statistics\Google\ChartBirth;
34use Fisharebest\Webtrees\Statistics\Google\ChartCommonGiven;
35use Fisharebest\Webtrees\Statistics\Google\ChartCommonSurname;
36use Fisharebest\Webtrees\Statistics\Google\ChartDeath;
37use Fisharebest\Webtrees\Statistics\Google\ChartFamilyWithSources;
38use Fisharebest\Webtrees\Statistics\Google\ChartIndividualWithSources;
39use Fisharebest\Webtrees\Statistics\Google\ChartMortality;
40use Fisharebest\Webtrees\Statistics\Google\ChartSex;
41use Fisharebest\Webtrees\Statistics\Repository\Interfaces\IndividualRepositoryInterface;
42use Fisharebest\Webtrees\Tree;
43use Illuminate\Database\Capsule\Manager as DB;
44use Illuminate\Database\Query\Builder;
45use Illuminate\Database\Query\JoinClause;
46
47/**
48 *
49 */
50class IndividualRepository implements IndividualRepositoryInterface
51{
52    /**
53     * @var Tree
54     */
55    private $tree;
56
57    /**
58     * Constructor.
59     *
60     * @param Tree $tree
61     */
62    public function __construct(Tree $tree)
63    {
64        $this->tree = $tree;
65    }
66
67    /**
68     * Find common given names.
69     *
70     * @param string $sex
71     * @param string $type
72     * @param bool   $show_tot
73     * @param int    $threshold
74     * @param int    $maxtoshow
75     *
76     * @return string|int[]
77     */
78    private function commonGivenQuery(string $sex, string $type, bool $show_tot, int $threshold, int $maxtoshow)
79    {
80        $query = DB::table('name')
81            ->join('individuals', function (JoinClause $join): void {
82                $join
83                    ->on('i_file', '=', 'n_file')
84                    ->on('i_id', '=', 'n_id');
85            })
86            ->where('n_file', '=', $this->tree->id())
87            ->where('n_type', '<>', '_MARNM')
88            ->where('n_givn', '<>', '@P.N.')
89            ->where(DB::raw('LENGTH(n_givn)'), '>', 1);
90
91        switch ($sex) {
92            case 'M':
93            case 'F':
94            case 'U':
95                $query->where('i_sex', '=', $sex);
96                break;
97
98            case 'B':
99            default:
100                $query->where('i_sex', '<>', 'U');
101                break;
102        }
103
104        $rows = $query
105            ->groupBy(['n_givn'])
106            ->select(['n_givn', DB::raw('COUNT(distinct n_id) AS count')])
107            ->pluck('count', 'n_givn');
108
109        $nameList = [];
110
111        foreach ($rows as $n_givn => $count) {
112            // Split “John Thomas” into “John” and “Thomas” and count against both totals
113            foreach (explode(' ', $n_givn) as $given) {
114                // Exclude initials and particles.
115                if (!preg_match('/^([A-Z]|[a-z]{1,3})$/', $given)) {
116                    if (\array_key_exists($given, $nameList)) {
117                        $nameList[$given] += (int) $count;
118                    } else {
119                        $nameList[$given] = (int) $count;
120                    }
121                }
122            }
123        }
124        arsort($nameList);
125        $nameList = \array_slice($nameList, 0, $maxtoshow);
126
127        foreach ($nameList as $given => $total) {
128            if ($total < $threshold) {
129                unset($nameList[$given]);
130            }
131        }
132
133        switch ($type) {
134            case 'chart':
135                return $nameList;
136
137            case 'table':
138                return view('lists/given-names-table', [
139                    'given_names' => $nameList,
140                ]);
141
142            case 'list':
143                return view('lists/given-names-list', [
144                    'given_names' => $nameList,
145                    'show_totals' => $show_tot,
146                ]);
147
148            case 'nolist':
149            default:
150                array_walk($nameList, function (string &$value, string $key) use ($show_tot): void {
151                    if ($show_tot) {
152                        $value = '<span dir="auto">' . e($key) . '</span>';
153                    } else {
154                        $value = '<span dir="auto">' . e($key) . '</span> (' . I18N::number((int) $value) . ')';
155                    }
156                });
157
158                return implode(I18N::$list_separator, $nameList);
159        }
160    }
161
162    /**
163     * Find common give names.
164     *
165     * @param int $threshold
166     * @param int $maxtoshow
167     *
168     * @return string
169     */
170    public function commonGiven(int $threshold = 1, int $maxtoshow = 10): string
171    {
172        return $this->commonGivenQuery('B', 'nolist', false, $threshold, $maxtoshow);
173    }
174
175    /**
176     * Find common give names.
177     *
178     * @param int $threshold
179     * @param int $maxtoshow
180     *
181     * @return string
182     */
183    public function commonGivenTotals(int $threshold = 1, int $maxtoshow = 10): string
184    {
185        return $this->commonGivenQuery('B', 'nolist', true, $threshold, $maxtoshow);
186    }
187
188    /**
189     * Find common give names.
190     *
191     * @param int $threshold
192     * @param int $maxtoshow
193     *
194     * @return string
195     */
196    public function commonGivenList(int $threshold = 1, int $maxtoshow = 10): string
197    {
198        return $this->commonGivenQuery('B', 'list', false, $threshold, $maxtoshow);
199    }
200
201    /**
202     * Find common give names.
203     *
204     * @param int $threshold
205     * @param int $maxtoshow
206     *
207     * @return string
208     */
209    public function commonGivenListTotals(int $threshold = 1, int $maxtoshow = 10): string
210    {
211        return $this->commonGivenQuery('B', 'list', true, $threshold, $maxtoshow);
212    }
213
214    /**
215     * Find common give names.
216     *
217     * @param int $threshold
218     * @param int $maxtoshow
219     *
220     * @return string
221     */
222    public function commonGivenTable(int $threshold = 1, int $maxtoshow = 10): string
223    {
224        return $this->commonGivenQuery('B', 'table', false, $threshold, $maxtoshow);
225    }
226
227    /**
228     * Find common give names of females.
229     *
230     * @param int $threshold
231     * @param int $maxtoshow
232     *
233     * @return string
234     */
235    public function commonGivenFemale(int $threshold = 1, int $maxtoshow = 10): string
236    {
237        return $this->commonGivenQuery('F', 'nolist', false, $threshold, $maxtoshow);
238    }
239
240    /**
241     * Find common give names of females.
242     *
243     * @param int $threshold
244     * @param int $maxtoshow
245     *
246     * @return string
247     */
248    public function commonGivenFemaleTotals(int $threshold = 1, int $maxtoshow = 10): string
249    {
250        return $this->commonGivenQuery('F', 'nolist', true, $threshold, $maxtoshow);
251    }
252
253    /**
254     * Find common give names of females.
255     *
256     * @param int $threshold
257     * @param int $maxtoshow
258     *
259     * @return string
260     */
261    public function commonGivenFemaleList(int $threshold = 1, int $maxtoshow = 10): string
262    {
263        return $this->commonGivenQuery('F', 'list', false, $threshold, $maxtoshow);
264    }
265
266    /**
267     * Find common give names of females.
268     *
269     * @param int $threshold
270     * @param int $maxtoshow
271     *
272     * @return string
273     */
274    public function commonGivenFemaleListTotals(int $threshold = 1, int $maxtoshow = 10): string
275    {
276        return $this->commonGivenQuery('F', 'list', true, $threshold, $maxtoshow);
277    }
278
279    /**
280     * Find common give names of females.
281     *
282     * @param int $threshold
283     * @param int $maxtoshow
284     *
285     * @return string
286     */
287    public function commonGivenFemaleTable(int $threshold = 1, int $maxtoshow = 10): string
288    {
289        return $this->commonGivenQuery('F', 'table', false, $threshold, $maxtoshow);
290    }
291
292    /**
293     * Find common give names of males.
294     *
295     * @param int $threshold
296     * @param int $maxtoshow
297     *
298     * @return string
299     */
300    public function commonGivenMale(int $threshold = 1, int $maxtoshow = 10): string
301    {
302        return $this->commonGivenQuery('M', 'nolist', false, $threshold, $maxtoshow);
303    }
304
305    /**
306     * Find common give names of males.
307     *
308     * @param int $threshold
309     * @param int $maxtoshow
310     *
311     * @return string
312     */
313    public function commonGivenMaleTotals(int $threshold = 1, int $maxtoshow = 10): string
314    {
315        return $this->commonGivenQuery('M', 'nolist', true, $threshold, $maxtoshow);
316    }
317
318    /**
319     * Find common give names of males.
320     *
321     * @param int $threshold
322     * @param int $maxtoshow
323     *
324     * @return string
325     */
326    public function commonGivenMaleList(int $threshold = 1, int $maxtoshow = 10): string
327    {
328        return $this->commonGivenQuery('M', 'list', false, $threshold, $maxtoshow);
329    }
330
331    /**
332     * Find common give names of males.
333     *
334     * @param int $threshold
335     * @param int $maxtoshow
336     *
337     * @return string
338     */
339    public function commonGivenMaleListTotals(int $threshold = 1, int $maxtoshow = 10): string
340    {
341        return $this->commonGivenQuery('M', 'list', true, $threshold, $maxtoshow);
342    }
343
344    /**
345     * Find common give names of males.
346     *
347     * @param int $threshold
348     * @param int $maxtoshow
349     *
350     * @return string
351     */
352    public function commonGivenMaleTable(int $threshold = 1, int $maxtoshow = 10): string
353    {
354        return $this->commonGivenQuery('M', 'table', false, $threshold, $maxtoshow);
355    }
356
357    /**
358     * Find common give names of unknown sexes.
359     *
360     * @param int $threshold
361     * @param int $maxtoshow
362     *
363     * @return string
364     */
365    public function commonGivenUnknown(int $threshold = 1, int $maxtoshow = 10): string
366    {
367        return $this->commonGivenQuery('U', 'nolist', false, $threshold, $maxtoshow);
368    }
369
370    /**
371     * Find common give names of unknown sexes.
372     *
373     * @param int $threshold
374     * @param int $maxtoshow
375     *
376     * @return string
377     */
378    public function commonGivenUnknownTotals(int $threshold = 1, int $maxtoshow = 10): string
379    {
380        return $this->commonGivenQuery('U', 'nolist', true, $threshold, $maxtoshow);
381    }
382
383    /**
384     * Find common give names of unknown sexes.
385     *
386     * @param int $threshold
387     * @param int $maxtoshow
388     *
389     * @return string
390     */
391    public function commonGivenUnknownList(int $threshold = 1, int $maxtoshow = 10): string
392    {
393        return $this->commonGivenQuery('U', 'list', false, $threshold, $maxtoshow);
394    }
395
396    /**
397     * Find common give names of unknown sexes.
398     *
399     * @param int $threshold
400     * @param int $maxtoshow
401     *
402     * @return string
403     */
404    public function commonGivenUnknownListTotals(int $threshold = 1, int $maxtoshow = 10): string
405    {
406        return $this->commonGivenQuery('U', 'list', true, $threshold, $maxtoshow);
407    }
408
409    /**
410     * Find common give names of unknown sexes.
411     *
412     * @param int $threshold
413     * @param int $maxtoshow
414     *
415     * @return string
416     */
417    public function commonGivenUnknownTable(int $threshold = 1, int $maxtoshow = 10): string
418    {
419        return $this->commonGivenQuery('U', 'table', false, $threshold, $maxtoshow);
420    }
421
422    /**
423     * Count the number of distinct given names (or the number of occurences of specific given names).
424     *
425     * @param string[] ...$params
426     *
427     * @return string
428     */
429    public function totalGivennames(...$params): string
430    {
431        $query = DB::table('name')
432            ->where('n_file', '=', $this->tree->id());
433
434        if (empty($params)) {
435            // Count number of distinct given names.
436            $query
437                ->distinct()
438                ->where('n_givn', '<>', '@P.N.')
439                ->whereNotNull('n_givn');
440        } else {
441            // Count number of occurences of specific given names.
442            $query->whereIn('n_givn', $params);
443        }
444
445        $count = $query->count('n_givn');
446
447        return I18N::number($count);
448    }
449
450    /**
451     * Count the number of distinct surnames (or the number of occurences of specific surnames).
452     *
453     * @param string[] ...$params
454     *
455     * @return string
456     */
457    public function totalSurnames(...$params): string
458    {
459        $query = DB::table('name')
460            ->where('n_file', '=', $this->tree->id());
461
462        if (empty($params)) {
463            // Count number of distinct surnames
464            $query->distinct()
465                ->whereNotNull('n_surn');
466        } else {
467            // Count number of occurences of specific surnames.
468            $query->whereIn('n_surn', $params);
469        }
470
471        $count = $query->count('n_surn');
472
473        return I18N::number($count);
474    }
475
476    /**
477     * @param int $number_of_surnames
478     * @param int $threshold
479     *
480     * @return \stdClass[]
481     */
482    private function topSurnames(int $number_of_surnames, int $threshold): array
483    {
484        // Use the count of base surnames.
485        $top_surnames = DB::table('name')
486            ->where('n_file', '=', $this->tree->id())
487            ->where('n_type', '<>', '_MARNM')
488            ->whereNotIn('n_surn', ['', '@N.N.'])
489            ->select('n_surn')
490            ->groupBy('n_surn')
491            ->orderByRaw('count(n_surn) desc')
492            ->take($number_of_surnames)
493            ->get()
494            ->pluck('n_surn')
495            ->all();
496
497        $surnames = [];
498        foreach ($top_surnames as $top_surname) {
499            $variants = DB::table('name')
500                ->where('n_file', '=', $this->tree->id())
501                ->where(DB::raw('n_surn /* COLLATE ' . I18N::collation() . ' */'), '=', $top_surname)
502                ->select('n_surn', DB::raw('COUNT(*) AS count'))
503                ->groupBy('n_surn')
504                ->get()
505                ->pluck('count', 'n_surn')
506                ->all();
507
508            if (array_sum($variants) > $threshold) {
509                $surnames[$top_surname] = $variants;
510            }
511        }
512
513        return $surnames;
514    }
515
516    /**
517     * Find common surnames.
518     *
519     * @return string
520     */
521    public function getCommonSurname(): string
522    {
523        $top_surname = $this->topSurnames(1, 0);
524
525        return $top_surname
526            ? implode(', ', array_keys(array_shift($top_surname)) ?? [])
527            : '';
528    }
529
530    /**
531     * Find common surnames.
532     *
533     * @param string $type
534     * @param bool   $show_tot
535     * @param int    $threshold
536     * @param int    $number_of_surnames
537     * @param string $sorting
538     *
539     * @return string
540     */
541    private function commonSurnamesQuery(
542        string $type,
543        bool $show_tot,
544        int $threshold,
545        int $number_of_surnames,
546        string $sorting
547    ): string {
548        $surnames = $this->topSurnames($number_of_surnames, $threshold);
549
550        switch ($sorting) {
551            default:
552            case 'alpha':
553                uksort($surnames, [I18N::class, 'strcasecmp']);
554                break;
555            case 'count':
556                break;
557            case 'rcount':
558                $surnames = array_reverse($surnames, true);
559                break;
560        }
561
562        //find a module providing individual lists
563        $module = app(ModuleService::class)->findByComponent(ModuleListInterface::class, $this->tree, Auth::user())->first(function (ModuleInterface $module): bool {
564            return $module instanceof IndividualListModule;
565        });
566
567        return FunctionsPrintLists::surnameList(
568            $surnames,
569            ($type === 'list' ? 1 : 2),
570            $show_tot,
571            $module,
572            $this->tree
573        );
574    }
575
576    /**
577     * Find common surnames.
578     *
579     * @param int    $threshold
580     * @param int    $number_of_surnames
581     * @param string $sorting
582     *
583     * @return string
584     */
585    public function commonSurnames(
586        int $threshold = 1,
587        int $number_of_surnames = 10,
588        string $sorting = 'alpha'
589    ): string {
590        return $this->commonSurnamesQuery('nolist', false, $threshold, $number_of_surnames, $sorting);
591    }
592
593    /**
594     * Find common surnames.
595     *
596     * @param int    $threshold
597     * @param int    $number_of_surnames
598     * @param string $sorting
599     *
600     * @return string
601     */
602    public function commonSurnamesTotals(
603        int $threshold = 1,
604        int $number_of_surnames = 10,
605        string $sorting = 'rcount'
606    ): string {
607        return $this->commonSurnamesQuery('nolist', true, $threshold, $number_of_surnames, $sorting);
608    }
609
610    /**
611     * Find common surnames.
612     *
613     * @param int    $threshold
614     * @param int    $number_of_surnames
615     * @param string $sorting
616     *
617     * @return string
618     */
619    public function commonSurnamesList(
620        int $threshold = 1,
621        int $number_of_surnames = 10,
622        string $sorting = 'alpha'
623    ): string {
624        return $this->commonSurnamesQuery('list', false, $threshold, $number_of_surnames, $sorting);
625    }
626
627    /**
628     * Find common surnames.
629     *
630     * @param int    $threshold
631     * @param int    $number_of_surnames
632     * @param string $sorting
633     *
634     * @return string
635     */
636    public function commonSurnamesListTotals(
637        int $threshold = 1,
638        int $number_of_surnames = 10,
639        string $sorting = 'rcount'
640    ): string {
641        return $this->commonSurnamesQuery('list', true, $threshold, $number_of_surnames, $sorting);
642    }
643
644    /**
645     * Get a count of births by month.
646     *
647     * @param int  $year1
648     * @param int  $year2
649     *
650     * @return Builder
651     */
652    public function statsBirthQuery(int $year1 = -1, int $year2 = -1): Builder
653    {
654        $query = DB::table('dates')
655            ->select(['d_month', DB::raw('COUNT(*) AS total')])
656            ->where('d_file', '=', $this->tree->id())
657            ->where('d_fact', '=', 'BIRT')
658            ->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
659            ->groupBy('d_month');
660
661        if ($year1 >= 0 && $year2 >= 0) {
662            $query->whereBetween('d_year', [$year1, $year2]);
663        }
664
665        return $query;
666    }
667
668    /**
669     * Get a count of births by month.
670     *
671     * @param int  $year1
672     * @param int  $year2
673     *
674     * @return Builder
675     */
676    public function statsBirthBySexQuery(int $year1 = -1, int $year2 = -1): Builder
677    {
678        return $this->statsBirthQuery($year1, $year2)
679                ->select(['d_month', 'i_sex', DB::raw('COUNT(*) AS total')])
680                ->join('individuals', function (JoinClause $join): void {
681                    $join
682                        ->on('i_id', '=', 'd_gid')
683                        ->on('i_file', '=', 'd_file');
684                })
685                ->groupBy('i_sex');
686    }
687
688    /**
689     * General query on births.
690     *
691     * @param string|null $color_from
692     * @param string|null $color_to
693     *
694     * @return string
695     */
696    public function statsBirth(string $color_from = null, string $color_to = null): string
697    {
698        return (new ChartBirth($this->tree))
699            ->chartBirth($color_from, $color_to);
700    }
701
702    /**
703     * Get a list of death dates.
704     *
705     * @param int  $year1
706     * @param int  $year2
707     *
708     * @return Builder
709     */
710    public function statsDeathQuery(int $year1 = -1, int $year2 = -1): Builder
711    {
712        $query = DB::table('dates')
713            ->select(['d_month', DB::raw('COUNT(*) AS total')])
714            ->where('d_file', '=', $this->tree->id())
715            ->where('d_fact', '=', 'DEAT')
716            ->whereIn('d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
717            ->groupBy('d_month');
718
719        if ($year1 >= 0 && $year2 >= 0) {
720            $query->whereBetween('d_year', [$year1, $year2]);
721        }
722
723        return $query;
724    }
725
726    /**
727     * Get a list of death dates.
728     *
729     * @param int  $year1
730     * @param int  $year2
731     *
732     * @return Builder
733     */
734    public function statsDeathBySexQuery(int $year1 = -1, int $year2 = -1): Builder
735    {
736        return $this->statsDeathQuery($year1, $year2)
737                ->select(['d_month', 'i_sex', DB::raw('COUNT(*) AS total')])
738                ->join('individuals', function (JoinClause $join): void {
739                    $join
740                        ->on('i_id', '=', 'd_gid')
741                        ->on('i_file', '=', 'd_file');
742                })
743                ->groupBy('i_sex');
744    }
745
746    /**
747     * General query on deaths.
748     *
749     * @param string|null $color_from
750     * @param string|null $color_to
751     *
752     * @return string
753     */
754    public function statsDeath(string $color_from = null, string $color_to = null): string
755    {
756        return (new ChartDeath($this->tree))
757            ->chartDeath($color_from, $color_to);
758    }
759
760    /**
761     * General query on ages.
762     *
763     * @param string $related
764     * @param string $sex
765     * @param int    $year1
766     * @param int    $year2
767     *
768     * @return array|string
769     */
770    public function statsAgeQuery(string $related = 'BIRT', string $sex = 'BOTH', int $year1 = -1, int $year2 = -1)
771    {
772        $prefix = DB::connection()->getTablePrefix();
773
774        $query = $this->birthAndDeathQuery($sex);
775
776        if ($year1 >= 0 && $year2 >= 0) {
777            $query
778                ->whereIn('birth.d_type', ['@#DGREGORIAN@', '@#DJULIAN@'])
779                ->whereIn('death.d_type', ['@#DGREGORIAN@', '@#DJULIAN@']);
780
781            if ($related === 'BIRT') {
782                $query->whereBetween('birth.d_year', [$year1, $year2]);
783            } elseif ($related === 'DEAT') {
784                $query->whereBetween('death.d_year', [$year1, $year2]);
785            }
786        }
787
788        return $query
789            ->select(DB::raw($prefix . 'death.d_julianday2 - ' . $prefix . 'birth.d_julianday1 AS days'))
790            ->orderBy('days', 'desc')
791            ->get()
792            ->all();
793    }
794
795    /**
796     * General query on ages.
797     *
798     * @return string
799     */
800    public function statsAge(): string
801    {
802        return (new ChartAge($this->tree))->chartAge();
803    }
804
805    /**
806     * Lifespan
807     *
808     * @param string $type
809     * @param string $sex
810     *
811     * @return string
812     */
813    private function longlifeQuery(string $type, string $sex): string
814    {
815        $prefix = DB::connection()->getTablePrefix();
816
817        $row = $this->birthAndDeathQuery($sex)
818            ->orderBy('days', 'desc')
819            ->select(['individuals.*', DB::raw($prefix . 'death.d_julianday2 - ' . $prefix . 'birth.d_julianday1 AS days')])
820            ->first();
821
822        if ($row === null) {
823            return '';
824        }
825
826        /** @var Individual $individual */
827        $individual = Individual::rowMapper()($row);
828
829        if (!$individual->canShow()) {
830            return I18N::translate('This information is private and cannot be shown.');
831        }
832
833        switch ($type) {
834            default:
835            case 'full':
836                return $individual->formatList();
837
838            case 'age':
839                return I18N::number((int) ($row->days / 365.25));
840
841            case 'name':
842                return '<a href="' . e($individual->url()) . '">' . $individual->fullName() . '</a>';
843        }
844    }
845
846    /**
847     * Find the longest lived individual.
848     *
849     * @return string
850     */
851    public function longestLife(): string
852    {
853        return $this->longlifeQuery('full', 'BOTH');
854    }
855
856    /**
857     * Find the age of the longest lived individual.
858     *
859     * @return string
860     */
861    public function longestLifeAge(): string
862    {
863        return $this->longlifeQuery('age', 'BOTH');
864    }
865
866    /**
867     * Find the name of the longest lived individual.
868     *
869     * @return string
870     */
871    public function longestLifeName(): string
872    {
873        return $this->longlifeQuery('name', 'BOTH');
874    }
875
876    /**
877     * Find the longest lived female.
878     *
879     * @return string
880     */
881    public function longestLifeFemale(): string
882    {
883        return $this->longlifeQuery('full', 'F');
884    }
885
886    /**
887     * Find the age of the longest lived female.
888     *
889     * @return string
890     */
891    public function longestLifeFemaleAge(): string
892    {
893        return $this->longlifeQuery('age', 'F');
894    }
895
896    /**
897     * Find the name of the longest lived female.
898     *
899     * @return string
900     */
901    public function longestLifeFemaleName(): string
902    {
903        return $this->longlifeQuery('name', 'F');
904    }
905
906    /**
907     * Find the longest lived male.
908     *
909     * @return string
910     */
911    public function longestLifeMale(): string
912    {
913        return $this->longlifeQuery('full', 'M');
914    }
915
916    /**
917     * Find the age of the longest lived male.
918     *
919     * @return string
920     */
921    public function longestLifeMaleAge(): string
922    {
923        return $this->longlifeQuery('age', 'M');
924    }
925
926    /**
927     * Find the name of the longest lived male.
928     *
929     * @return string
930     */
931    public function longestLifeMaleName(): string
932    {
933        return $this->longlifeQuery('name', 'M');
934    }
935
936    /**
937     * Returns the calculated age the time of event.
938     *
939     * @param int $age The age from the database record
940     *
941     * @return string
942     */
943    private function calculateAge(int $age): string
944    {
945        if ((int) ($age / 365.25) > 0) {
946            $result = (int) ($age / 365.25) . 'y';
947        } elseif ((int) ($age / 30.4375) > 0) {
948            $result = (int) ($age / 30.4375) . 'm';
949        } else {
950            $result = $age . 'd';
951        }
952
953        return FunctionsDate::getAgeAtEvent($result);
954    }
955
956    /**
957     * Find the oldest individuals.
958     *
959     * @param string $sex
960     * @param int    $total
961     *
962     * @return array
963     */
964    private function topTenOldestQuery(string $sex, int $total): array
965    {
966        $prefix = DB::connection()->getTablePrefix();
967
968        $rows = $this->birthAndDeathQuery($sex)
969            ->groupBy(['i_id', 'i_file'])
970            ->orderBy('days', 'desc')
971            ->select(['individuals.*', DB::raw('MAX(' . $prefix . 'death.d_julianday2 - ' . $prefix . 'birth.d_julianday1) AS days')])
972            ->take($total)
973            ->get();
974
975        $top10 = [];
976        foreach ($rows as $row) {
977            /** @var Individual $individual */
978            $individual = Individual::rowMapper()($row);
979
980            if ($individual->canShow()) {
981                $top10[] = [
982                    'person' => $individual,
983                    'age'    => $this->calculateAge((int) $row->days),
984                ];
985            }
986        }
987
988        return $top10;
989    }
990
991    /**
992     * Find the oldest individuals.
993     *
994     * @param int $total
995     *
996     * @return string
997     */
998    public function topTenOldest(int $total = 10): string
999    {
1000        $records = $this->topTenOldestQuery('BOTH', $total);
1001
1002        return view('statistics/individuals/top10-nolist', [
1003            'records' => $records,
1004        ]);
1005    }
1006
1007    /**
1008     * Find the oldest living individuals.
1009     *
1010     * @param int $total
1011     *
1012     * @return string
1013     */
1014    public function topTenOldestList(int $total = 10): string
1015    {
1016        $records = $this->topTenOldestQuery('BOTH', $total);
1017
1018        return view('statistics/individuals/top10-list', [
1019            'records' => $records,
1020        ]);
1021    }
1022
1023    /**
1024     * Find the oldest females.
1025     *
1026     * @param int $total
1027     *
1028     * @return string
1029     */
1030    public function topTenOldestFemale(int $total = 10): string
1031    {
1032        $records = $this->topTenOldestQuery('F', $total);
1033
1034        return view('statistics/individuals/top10-nolist', [
1035            'records' => $records,
1036        ]);
1037    }
1038
1039    /**
1040     * Find the oldest living females.
1041     *
1042     * @param int $total
1043     *
1044     * @return string
1045     */
1046    public function topTenOldestFemaleList(int $total = 10): string
1047    {
1048        $records = $this->topTenOldestQuery('F', $total);
1049
1050        return view('statistics/individuals/top10-list', [
1051            'records' => $records,
1052        ]);
1053    }
1054
1055    /**
1056     * Find the longest lived males.
1057     *
1058     * @param int $total
1059     *
1060     * @return string
1061     */
1062    public function topTenOldestMale(int $total = 10): string
1063    {
1064        $records = $this->topTenOldestQuery('M', $total);
1065
1066        return view('statistics/individuals/top10-nolist', [
1067            'records' => $records,
1068        ]);
1069    }
1070
1071    /**
1072     * Find the longest lived males.
1073     *
1074     * @param int $total
1075     *
1076     * @return string
1077     */
1078    public function topTenOldestMaleList(int $total = 10): string
1079    {
1080        $records = $this->topTenOldestQuery('M', $total);
1081
1082        return view('statistics/individuals/top10-list', [
1083            'records' => $records,
1084        ]);
1085    }
1086
1087    /**
1088     * Find the oldest living individuals.
1089     *
1090     * @param string $sex   "M", "F" or "BOTH"
1091     * @param int    $total
1092     *
1093     * @return array
1094     */
1095    private function topTenOldestAliveQuery(string $sex, int $total): array
1096    {
1097        $query = DB::table('dates')
1098            ->join('individuals', function (JoinClause $join): void {
1099                $join
1100                    ->on('i_id', '=', 'd_gid')
1101                    ->on('i_file', '=', 'd_file');
1102            })
1103            ->where('d_file', '=', $this->tree->id())
1104            ->where('d_julianday1', '<>', 0)
1105            ->where('d_fact', '=', 'BIRT')
1106            ->where('i_gedcom', 'NOT LIKE', "%\n1 DEAT%")
1107            ->where('i_gedcom', 'NOT LIKE', "%\n1 BURI%")
1108            ->where('i_gedcom', 'NOT LIKE', "%\n1 CREM%");
1109
1110        if ($sex === 'F' || $sex === 'M') {
1111            $query->where('i_sex', '=', $sex);
1112        }
1113
1114        return $query
1115            ->groupBy(['i_id', 'i_file'])
1116            ->orderBy(DB::raw('MIN(d_julianday1)'))
1117            ->select('individuals.*')
1118            ->take($total)
1119            ->get()
1120            ->map(Individual::rowMapper())
1121            ->filter(GedcomRecord::accessFilter())
1122            ->map(function (Individual $individual): array {
1123                return [
1124                    'person' => $individual,
1125                    'age'    => $this->calculateAge(Carbon::now()->julianDay() - $individual->getBirthDate()->minimumJulianDay()),
1126                ];
1127            })
1128            ->all();
1129    }
1130
1131    /**
1132     * Find the oldest living individuals.
1133     *
1134     * @param int $total
1135     *
1136     * @return string
1137     */
1138    public function topTenOldestAlive(int $total = 10): string
1139    {
1140        if (!Auth::isMember($this->tree)) {
1141            return I18N::translate('This information is private and cannot be shown.');
1142        }
1143
1144        $records = $this->topTenOldestAliveQuery('BOTH', $total);
1145
1146        return view('statistics/individuals/top10-nolist', [
1147            'records' => $records,
1148        ]);
1149    }
1150
1151    /**
1152     * Find the oldest living individuals.
1153     *
1154     * @param int $total
1155     *
1156     * @return string
1157     */
1158    public function topTenOldestListAlive(int $total = 10): string
1159    {
1160        if (!Auth::isMember($this->tree)) {
1161            return I18N::translate('This information is private and cannot be shown.');
1162        }
1163
1164        $records = $this->topTenOldestAliveQuery('BOTH', $total);
1165
1166        return view('statistics/individuals/top10-list', [
1167            'records' => $records,
1168        ]);
1169    }
1170
1171    /**
1172     * Find the oldest living females.
1173     *
1174     * @param int $total
1175     *
1176     * @return string
1177     */
1178    public function topTenOldestFemaleAlive(int $total = 10): string
1179    {
1180        if (!Auth::isMember($this->tree)) {
1181            return I18N::translate('This information is private and cannot be shown.');
1182        }
1183
1184        $records = $this->topTenOldestAliveQuery('F', $total);
1185
1186        return view('statistics/individuals/top10-nolist', [
1187            'records' => $records,
1188        ]);
1189    }
1190
1191    /**
1192     * Find the oldest living females.
1193     *
1194     * @param int $total
1195     *
1196     * @return string
1197     */
1198    public function topTenOldestFemaleListAlive(int $total = 10): string
1199    {
1200        if (!Auth::isMember($this->tree)) {
1201            return I18N::translate('This information is private and cannot be shown.');
1202        }
1203
1204        $records = $this->topTenOldestAliveQuery('F', $total);
1205
1206        return view('statistics/individuals/top10-list', [
1207            'records' => $records,
1208        ]);
1209    }
1210
1211    /**
1212     * Find the longest lived living males.
1213     *
1214     * @param int $total
1215     *
1216     * @return string
1217     */
1218    public function topTenOldestMaleAlive(int $total = 10): string
1219    {
1220        if (!Auth::isMember($this->tree)) {
1221            return I18N::translate('This information is private and cannot be shown.');
1222        }
1223
1224        $records = $this->topTenOldestAliveQuery('M', $total);
1225
1226        return view('statistics/individuals/top10-nolist', [
1227            'records' => $records,
1228        ]);
1229    }
1230
1231    /**
1232     * Find the longest lived living males.
1233     *
1234     * @param int $total
1235     *
1236     * @return string
1237     */
1238    public function topTenOldestMaleListAlive(int $total = 10): string
1239    {
1240        if (!Auth::isMember($this->tree)) {
1241            return I18N::translate('This information is private and cannot be shown.');
1242        }
1243
1244        $records = $this->topTenOldestAliveQuery('M', $total);
1245
1246        return view('statistics/individuals/top10-list', [
1247            'records' => $records,
1248        ]);
1249    }
1250
1251    /**
1252     * Find the average lifespan.
1253     *
1254     * @param string $sex        "M", "F" or "BOTH"
1255     * @param bool   $show_years
1256     *
1257     * @return string
1258     */
1259    private function averageLifespanQuery(string $sex, bool $show_years): string
1260    {
1261        $prefix = DB::connection()->getTablePrefix();
1262
1263        $days = (int) $this->birthAndDeathQuery($sex)
1264            ->select(DB::raw('AVG(' . $prefix . 'death.d_julianday2 - ' . $prefix . 'birth.d_julianday1) AS days'))
1265            ->value('days');
1266
1267        if ($show_years) {
1268            return $this->calculateAge($days);
1269        }
1270
1271        return I18N::number((int) ($days / 365.25));
1272    }
1273
1274    /**
1275     * Find the average lifespan.
1276     *
1277     * @param bool $show_years
1278     *
1279     * @return string
1280     */
1281    public function averageLifespan($show_years = false): string
1282    {
1283        return $this->averageLifespanQuery('BOTH', $show_years);
1284    }
1285
1286    /**
1287     * Find the average lifespan of females.
1288     *
1289     * @param bool $show_years
1290     *
1291     * @return string
1292     */
1293    public function averageLifespanFemale($show_years = false): string
1294    {
1295        return $this->averageLifespanQuery('F', $show_years);
1296    }
1297
1298    /**
1299     * Find the average male lifespan.
1300     *
1301     * @param bool $show_years
1302     *
1303     * @return string
1304     */
1305    public function averageLifespanMale($show_years = false): string
1306    {
1307        return $this->averageLifespanQuery('M', $show_years);
1308    }
1309
1310    /**
1311     * Convert totals into percentages.
1312     *
1313     * @param int $count
1314     * @param int $total
1315     *
1316     * @return string
1317     */
1318    private function getPercentage(int $count, int $total): string
1319    {
1320        return ($total !== 0) ? I18N::percentage($count / $total, 1) : '';
1321    }
1322
1323    /**
1324     * Returns how many individuals exist in the tree.
1325     *
1326     * @return int
1327     */
1328    private function totalIndividualsQuery(): int
1329    {
1330        return DB::table('individuals')
1331            ->where('i_file', '=', $this->tree->id())
1332            ->count();
1333    }
1334
1335    /**
1336     * Count the number of living individuals.
1337     *
1338     * The totalLiving/totalDeceased queries assume that every dead person will
1339     * have a DEAT record. It will not include individuals who were born more
1340     * than MAX_ALIVE_AGE years ago, and who have no DEAT record.
1341     * A good reason to run the “Add missing DEAT records” batch-update!
1342     *
1343     * @return int
1344     */
1345    private function totalLivingQuery(): int
1346    {
1347        $query = DB::table('individuals')
1348            ->where('i_file', '=', $this->tree->id());
1349
1350        foreach (Gedcom::DEATH_EVENTS as $death_event) {
1351            $query->where('i_gedcom', 'NOT LIKE', "%\n1 " . $death_event . '%');
1352        }
1353
1354        return $query->count();
1355    }
1356
1357    /**
1358     * Count the number of dead individuals.
1359     *
1360     * @return int
1361     */
1362    private function totalDeceasedQuery(): int
1363    {
1364        return DB::table('individuals')
1365            ->where('i_file', '=', $this->tree->id())
1366            ->where(function (Builder $query): void {
1367                foreach (Gedcom::DEATH_EVENTS as $death_event) {
1368                    $query->orWhere('i_gedcom', 'LIKE', "%\n1 " . $death_event . '%');
1369                }
1370            })
1371            ->count();
1372    }
1373
1374    /**
1375     * Returns the total count of a specific sex.
1376     *
1377     * @param string $sex The sex to query
1378     *
1379     * @return int
1380     */
1381    private function getTotalSexQuery(string $sex): int
1382    {
1383        return DB::table('individuals')
1384            ->where('i_file', '=', $this->tree->id())
1385            ->where('i_sex', '=', $sex)
1386            ->count();
1387    }
1388
1389    /**
1390     * Returns the total number of males.
1391     *
1392     * @return int
1393     */
1394    private function totalSexMalesQuery(): int
1395    {
1396        return $this->getTotalSexQuery('M');
1397    }
1398
1399    /**
1400     * Returns the total number of females.
1401     *
1402     * @return int
1403     */
1404    private function totalSexFemalesQuery(): int
1405    {
1406        return $this->getTotalSexQuery('F');
1407    }
1408
1409    /**
1410     * Returns the total number of individuals with unknown sex.
1411     *
1412     * @return int
1413     */
1414    private function totalSexUnknownQuery(): int
1415    {
1416        return $this->getTotalSexQuery('U');
1417    }
1418
1419    /**
1420     * Count the total families.
1421     *
1422     * @return int
1423     */
1424    private function totalFamiliesQuery(): int
1425    {
1426        return DB::table('families')
1427            ->where('f_file', '=', $this->tree->id())
1428            ->count();
1429    }
1430
1431    /**
1432     * How many individuals have one or more sources.
1433     *
1434     * @return int
1435     */
1436    private function totalIndisWithSourcesQuery(): int
1437    {
1438        return DB::table('individuals')
1439            ->select(['i_id'])
1440            ->distinct()
1441            ->join('link', function (JoinClause $join): void {
1442                $join->on('i_id', '=', 'l_from')
1443                    ->on('i_file', '=', 'l_file');
1444            })
1445            ->where('l_file', '=', $this->tree->id())
1446            ->where('l_type', '=', 'SOUR')
1447            ->count('i_id');
1448    }
1449
1450    /**
1451     * Count the families with source records.
1452     *
1453     * @return int
1454     */
1455    private function totalFamsWithSourcesQuery(): int
1456    {
1457        return DB::table('families')
1458            ->select(['f_id'])
1459            ->distinct()
1460            ->join('link', function (JoinClause $join): void {
1461                $join->on('f_id', '=', 'l_from')
1462                    ->on('f_file', '=', 'l_file');
1463            })
1464            ->where('l_file', '=', $this->tree->id())
1465            ->where('l_type', '=', 'SOUR')
1466            ->count('f_id');
1467    }
1468
1469    /**
1470     * Count the number of repositories.
1471     *
1472     * @return int
1473     */
1474    private function totalRepositoriesQuery(): int
1475    {
1476        return DB::table('other')
1477            ->where('o_file', '=', $this->tree->id())
1478            ->where('o_type', '=', 'REPO')
1479            ->count();
1480    }
1481
1482    /**
1483     * Count the total number of sources.
1484     *
1485     * @return int
1486     */
1487    private function totalSourcesQuery(): int
1488    {
1489        return DB::table('sources')
1490            ->where('s_file', '=', $this->tree->id())
1491            ->count();
1492    }
1493
1494    /**
1495     * Count the number of notes.
1496     *
1497     * @return int
1498     */
1499    private function totalNotesQuery(): int
1500    {
1501        return DB::table('other')
1502            ->where('o_file', '=', $this->tree->id())
1503            ->where('o_type', '=', 'NOTE')
1504            ->count();
1505    }
1506
1507    /**
1508     * Returns the total number of records.
1509     *
1510     * @return int
1511     */
1512    private function totalRecordsQuery(): int
1513    {
1514        return $this->totalIndividualsQuery()
1515            + $this->totalFamiliesQuery()
1516            + $this->totalNotesQuery()
1517            + $this->totalRepositoriesQuery()
1518            + $this->totalSourcesQuery();
1519    }
1520
1521    /**
1522     * @inheritDoc
1523     */
1524    public function totalRecords(): string
1525    {
1526        return I18N::number($this->totalRecordsQuery());
1527    }
1528
1529    /**
1530     * @inheritDoc
1531     */
1532    public function totalIndividuals(): string
1533    {
1534        return I18N::number($this->totalIndividualsQuery());
1535    }
1536
1537    /**
1538     * Count the number of living individuals.
1539     *
1540     * @return string
1541     */
1542    public function totalLiving(): string
1543    {
1544        return I18N::number($this->totalLivingQuery());
1545    }
1546
1547    /**
1548     * Count the number of dead individuals.
1549     *
1550     * @return string
1551     */
1552    public function totalDeceased(): string
1553    {
1554        return I18N::number($this->totalDeceasedQuery());
1555    }
1556
1557    /**
1558     * @inheritDoc
1559     */
1560    public function totalSexMales(): string
1561    {
1562        return I18N::number($this->totalSexMalesQuery());
1563    }
1564
1565    /**
1566     * @inheritDoc
1567     */
1568    public function totalSexFemales(): string
1569    {
1570        return I18N::number($this->totalSexFemalesQuery());
1571    }
1572
1573    /**
1574     * @inheritDoc
1575     */
1576    public function totalSexUnknown(): string
1577    {
1578        return I18N::number($this->totalSexUnknownQuery());
1579    }
1580
1581    /**
1582     * @inheritDoc
1583     */
1584    public function totalFamilies(): string
1585    {
1586        return I18N::number($this->totalFamiliesQuery());
1587    }
1588
1589    /**
1590     * How many individuals have one or more sources.
1591     *
1592     * @return string
1593     */
1594    public function totalIndisWithSources(): string
1595    {
1596        return I18N::number($this->totalIndisWithSourcesQuery());
1597    }
1598
1599    /**
1600     * Count the families with with source records.
1601     *
1602     * @return string
1603     */
1604    public function totalFamsWithSources(): string
1605    {
1606        return I18N::number($this->totalFamsWithSourcesQuery());
1607    }
1608
1609    /**
1610     * @inheritDoc
1611     */
1612    public function totalRepositories(): string
1613    {
1614        return I18N::number($this->totalRepositoriesQuery());
1615    }
1616
1617    /**
1618     * @inheritDoc
1619     */
1620    public function totalSources(): string
1621    {
1622        return I18N::number($this->totalSourcesQuery());
1623    }
1624
1625    /**
1626     * @inheritDoc
1627     */
1628    public function totalNotes(): string
1629    {
1630        return I18N::number($this->totalNotesQuery());
1631    }
1632
1633    /**
1634     * @inheritDoc
1635     */
1636    public function totalIndividualsPercentage(): string
1637    {
1638        return $this->getPercentage(
1639            $this->totalIndividualsQuery(),
1640            $this->totalRecordsQuery()
1641        );
1642    }
1643
1644    /**
1645     * @inheritDoc
1646     */
1647    public function totalFamiliesPercentage(): string
1648    {
1649        return $this->getPercentage(
1650            $this->totalFamiliesQuery(),
1651            $this->totalRecordsQuery()
1652        );
1653    }
1654
1655    /**
1656     * @inheritDoc
1657     */
1658    public function totalRepositoriesPercentage(): string
1659    {
1660        return $this->getPercentage(
1661            $this->totalRepositoriesQuery(),
1662            $this->totalRecordsQuery()
1663        );
1664    }
1665
1666    /**
1667     * @inheritDoc
1668     */
1669    public function totalSourcesPercentage(): string
1670    {
1671        return $this->getPercentage(
1672            $this->totalSourcesQuery(),
1673            $this->totalRecordsQuery()
1674        );
1675    }
1676
1677    /**
1678     * @inheritDoc
1679     */
1680    public function totalNotesPercentage(): string
1681    {
1682        return $this->getPercentage(
1683            $this->totalNotesQuery(),
1684            $this->totalRecordsQuery()
1685        );
1686    }
1687
1688    /**
1689     * @inheritDoc
1690     */
1691    public function totalLivingPercentage(): string
1692    {
1693        return $this->getPercentage(
1694            $this->totalLivingQuery(),
1695            $this->totalIndividualsQuery()
1696        );
1697    }
1698
1699    /**
1700     * @inheritDoc
1701     */
1702    public function totalDeceasedPercentage(): string
1703    {
1704        return $this->getPercentage(
1705            $this->totalDeceasedQuery(),
1706            $this->totalIndividualsQuery()
1707        );
1708    }
1709
1710    /**
1711     * @inheritDoc
1712     */
1713    public function totalSexMalesPercentage(): string
1714    {
1715        return $this->getPercentage(
1716            $this->totalSexMalesQuery(),
1717            $this->totalIndividualsQuery()
1718        );
1719    }
1720
1721    /**
1722     * @inheritDoc
1723     */
1724    public function totalSexFemalesPercentage(): string
1725    {
1726        return $this->getPercentage(
1727            $this->totalSexFemalesQuery(),
1728            $this->totalIndividualsQuery()
1729        );
1730    }
1731
1732    /**
1733     * @inheritDoc
1734     */
1735    public function totalSexUnknownPercentage(): string
1736    {
1737        return $this->getPercentage(
1738            $this->totalSexUnknownQuery(),
1739            $this->totalIndividualsQuery()
1740        );
1741    }
1742
1743    /**
1744     * Create a chart of common given names.
1745     *
1746     * @param string|null $color_from
1747     * @param string|null $color_to
1748     * @param int         $maxtoshow
1749     *
1750     * @return string
1751     */
1752    public function chartCommonGiven(
1753        string $color_from = null,
1754        string $color_to = null,
1755        int $maxtoshow = 7
1756    ): string {
1757        $tot_indi = $this->totalIndividualsQuery();
1758        $given    = $this->commonGivenQuery('B', 'chart', false, 1, $maxtoshow);
1759
1760        if (empty($given)) {
1761            return I18N::translate('This information is not available.');
1762        }
1763
1764        return (new ChartCommonGiven())
1765            ->chartCommonGiven($tot_indi, $given, $color_from, $color_to);
1766    }
1767
1768    /**
1769     * Create a chart of common surnames.
1770     *
1771     * @param string|null $color_from
1772     * @param string|null $color_to
1773     * @param int         $number_of_surnames
1774     *
1775     * @return string
1776     */
1777    public function chartCommonSurnames(
1778        string $color_from = null,
1779        string $color_to = null,
1780        int $number_of_surnames = 10
1781    ): string {
1782        $tot_indi     = $this->totalIndividualsQuery();
1783        $all_surnames = $this->topSurnames($number_of_surnames, 0);
1784
1785        if (empty($all_surnames)) {
1786            return I18N::translate('This information is not available.');
1787        }
1788
1789        return (new ChartCommonSurname($this->tree))
1790            ->chartCommonSurnames($tot_indi, $all_surnames, $color_from, $color_to);
1791    }
1792
1793    /**
1794     * Create a chart showing mortality.
1795     *
1796     * @param string|null $color_living
1797     * @param string|null $color_dead
1798     *
1799     * @return string
1800     */
1801    public function chartMortality(string $color_living = null, string $color_dead = null): string
1802    {
1803        $tot_l = $this->totalLivingQuery();
1804        $tot_d = $this->totalDeceasedQuery();
1805
1806        return (new ChartMortality())
1807            ->chartMortality($tot_l, $tot_d, $color_living, $color_dead);
1808    }
1809
1810    /**
1811     * Create a chart showing individuals with/without sources.
1812     *
1813     * @param string|null $color_from
1814     * @param string|null $color_to
1815     *
1816     * @return string
1817     */
1818    public function chartIndisWithSources(
1819        string $color_from = null,
1820        string $color_to   = null
1821    ): string {
1822        $tot_indi        = $this->totalIndividualsQuery();
1823        $tot_indi_source = $this->totalIndisWithSourcesQuery();
1824
1825        return (new ChartIndividualWithSources())
1826            ->chartIndisWithSources($tot_indi, $tot_indi_source, $color_from, $color_to);
1827    }
1828
1829    /**
1830     * Create a chart of individuals with/without sources.
1831     *
1832     * @param string|null $color_from
1833     * @param string|null $color_to
1834     *
1835     * @return string
1836     */
1837    public function chartFamsWithSources(
1838        string $color_from = null,
1839        string $color_to   = null
1840    ): string {
1841        $tot_fam        = $this->totalFamiliesQuery();
1842        $tot_fam_source = $this->totalFamsWithSourcesQuery();
1843
1844        return (new ChartFamilyWithSources())
1845            ->chartFamsWithSources($tot_fam, $tot_fam_source, $color_from, $color_to);
1846    }
1847
1848    /**
1849     * @inheritDoc
1850     */
1851    public function chartSex(
1852        string $color_female  = null,
1853        string $color_male    = null,
1854        string $color_unknown = null
1855    ): string {
1856        $tot_m = $this->totalSexMalesQuery();
1857        $tot_f = $this->totalSexFemalesQuery();
1858        $tot_u = $this->totalSexUnknownQuery();
1859
1860        return (new ChartSex())
1861            ->chartSex($tot_m, $tot_f, $tot_u, $color_female, $color_male, $color_unknown);
1862    }
1863
1864    /**
1865     * Query individuals, with their births and deaths.
1866     *
1867     * @param string $sex
1868     *
1869     * @return Builder
1870     */
1871    private function birthAndDeathQuery(string $sex): Builder
1872    {
1873        $query = DB::table('individuals')
1874            ->where('i_file', '=', $this->tree->id())
1875            ->join('dates AS birth', function (JoinClause $join): void {
1876                $join
1877                    ->on('birth.d_file', '=', 'i_file')
1878                    ->on('birth.d_gid', '=', 'i_id');
1879            })
1880            ->join('dates AS death', function (JoinClause $join): void {
1881                $join
1882                    ->on('death.d_file', '=', 'i_file')
1883                    ->on('death.d_gid', '=', 'i_id');
1884            })
1885            ->where('birth.d_fact', '=', 'BIRT')
1886            ->where('death.d_fact', '=', 'DEAT')
1887            ->whereColumn('death.d_julianday1', '>=', 'birth.d_julianday2')
1888            ->where('birth.d_julianday2', '<>', 0);
1889
1890        if ($sex === 'M' || $sex === 'F') {
1891            $query->where('i_sex', '=', $sex);
1892        }
1893
1894        return $query;
1895    }
1896}
1897