xref: /webtrees/app/Services/CalendarService.php (revision ca65518953c097281dff8f502ce4d843e1238978)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Services;
21
22use Fisharebest\ExtCalendar\PersianCalendar;
23use Fisharebest\Webtrees\Date;
24use Fisharebest\Webtrees\Date\AbstractCalendarDate;
25use Fisharebest\Webtrees\Date\FrenchDate;
26use Fisharebest\Webtrees\Date\GregorianDate;
27use Fisharebest\Webtrees\Date\HijriDate;
28use Fisharebest\Webtrees\Date\JalaliDate;
29use Fisharebest\Webtrees\Date\JewishDate;
30use Fisharebest\Webtrees\Date\JulianDate;
31use Fisharebest\Webtrees\Fact;
32use Fisharebest\Webtrees\Family;
33use Fisharebest\Webtrees\GedcomRecord;
34use Fisharebest\Webtrees\Individual;
35use Fisharebest\Webtrees\Tree;
36use Illuminate\Database\Capsule\Manager as DB;
37use Illuminate\Database\Query\Builder;
38use Illuminate\Database\Query\Expression;
39use Illuminate\Database\Query\JoinClause;
40use Illuminate\Support\Collection;
41
42use function array_merge;
43use function in_array;
44use function preg_match_all;
45use function range;
46
47/**
48 * Calculate anniversaries, etc.
49 */
50class CalendarService
51{
52    // If no facts specified, get all except these
53    protected const SKIP_FACTS = ['CHAN', 'BAPL', 'SLGC', 'SLGS', 'ENDL', 'CENS', 'RESI', 'NOTE', 'ADDR', 'OBJE', 'SOUR', '_TODO'];
54
55    /**
56     * List all the months in a given year.
57     *
58     * @param string $calendar
59     * @param int    $year
60     *
61     * @return string[]
62     */
63    public function calendarMonthsInYear(string $calendar, int $year): array
64    {
65        $date          = new Date($calendar . ' ' . $year);
66        $calendar_date = $date->minimumDate();
67        $month_numbers = range(1, $calendar_date->monthsInYear());
68        $month_names   = [];
69
70        foreach ($month_numbers as $month_number) {
71            $calendar_date->day   = 1;
72            $calendar_date->month = $month_number;
73            $calendar_date->setJdFromYmd();
74
75            if ($month_number === 6 && $calendar_date instanceof JewishDate && !$calendar_date->isLeapYear()) {
76                // No month 6 in Jewish non-leap years.
77                continue;
78            }
79
80            if ($month_number === 7 && $calendar_date instanceof JewishDate && !$calendar_date->isLeapYear()) {
81                // Month 7 is ADR in Jewish non-leap years (and ADS in others).
82                $mon = 'ADR';
83            } else {
84                $mon = $calendar_date->format('%O');
85            }
86
87            $month_names[$mon] = $calendar_date->format('%F');
88        }
89
90        return $month_names;
91    }
92
93    /**
94     * Get a list of events which occured during a given date range.
95     *
96     * @param int    $jd1   the start range of julian day
97     * @param int    $jd2   the end range of julian day
98     * @param string $facts restrict the search to just these facts or leave blank for all
99     * @param Tree   $tree  the tree to search
100     *
101     * @return Fact[]
102     */
103    public function getCalendarEvents(int $jd1, int $jd2, string $facts, Tree $tree): array
104    {
105        // Events that start or end during the period
106        $query = DB::table('dates')
107            ->where('d_file', '=', $tree->id())
108            ->where(static function (Builder $query) use ($jd1, $jd2): void {
109                $query->where(static function (Builder $query) use ($jd1, $jd2): void {
110                    $query
111                        ->where('d_julianday1', '>=', $jd1)
112                        ->where('d_julianday1', '<=', $jd2);
113                })->orWhere(static function (Builder $query) use ($jd1, $jd2): void {
114                    $query
115                        ->where('d_julianday2', '>=', $jd1)
116                        ->where('d_julianday2', '<=', $jd2);
117                });
118            });
119
120        // Restrict to certain types of fact
121        if ($facts === '') {
122            $query->whereNotIn('d_fact', self::SKIP_FACTS);
123        } else {
124            preg_match_all('/([_A-Z]+)/', $facts, $matches);
125
126            $query->whereIn('d_fact', $matches[1]);
127        }
128
129        $ind_query = (clone $query)
130            ->join('individuals', static function (JoinClause $join): void {
131                $join->on('d_gid', '=', 'i_id')->on('d_file', '=', 'i_file');
132            })
133            ->select(['i_id AS xref', 'i_gedcom AS gedcom', 'd_type', 'd_day', 'd_month', 'd_year', 'd_fact', 'd_type']);
134
135        $fam_query = (clone $query)
136            ->join('families', static function (JoinClause $join): void {
137                $join->on('d_gid', '=', 'f_id')->on('d_file', '=', 'f_file');
138            })
139            ->select(['f_id AS xref', 'f_gedcom AS gedcom', 'd_type', 'd_day', 'd_month', 'd_year', 'd_fact', 'd_type']);
140
141        // Now fetch these events
142        $found_facts = [];
143
144        foreach (['INDI' => $ind_query, 'FAM' => $fam_query] as $type => $record_query) {
145            foreach ($record_query->get() as $row) {
146                if ($type === 'INDI') {
147                    $record = Individual::getInstance($row->xref, $tree, $row->gedcom);
148                } else {
149                    $record = Family::getInstance($row->xref, $tree, $row->gedcom);
150                }
151
152                $anniv_date = new Date($row->d_type . ' ' . $row->d_day . ' ' . $row->d_month . ' ' . $row->d_year);
153
154                foreach ($record->facts() as $fact) {
155                    // For date ranges, we need a match on either the start/end.
156                    if (($fact->date()->minimumJulianDay() === $anniv_date->minimumJulianDay() || $fact->date()->maximumJulianDay() === $anniv_date->maximumJulianDay()) && $fact->getTag() === $row->d_fact) {
157                        $fact->anniv   = 0;
158                        $found_facts[] = $fact;
159                    }
160                }
161            }
162        }
163
164        return $found_facts;
165    }
166
167    /**
168     * Get the list of current and upcoming events, sorted by anniversary date
169     *
170     * @param int    $jd1
171     * @param int    $jd2
172     * @param string $events
173     * @param bool   $only_living
174     * @param string $sort_by
175     * @param Tree   $tree
176     *
177     * @return Collection<Fact>
178     */
179    public function getEventsList(int $jd1, int $jd2, string $events, bool $only_living, string $sort_by, Tree $tree): Collection
180    {
181        $found_facts = [];
182        $facts       = new Collection();
183
184        foreach (range($jd1, $jd2) as $jd) {
185            $found_facts = array_merge($found_facts, $this->getAnniversaryEvents($jd, $events, $tree));
186        }
187
188        foreach ($found_facts as $fact) {
189            $record = $fact->record();
190            // only living people ?
191            if ($only_living) {
192                if ($record instanceof Individual && $record->isDead()) {
193                    continue;
194                }
195                if ($record instanceof Family) {
196                    $husb = $record->husband();
197                    if ($husb === null || $husb->isDead()) {
198                        continue;
199                    }
200                    $wife = $record->wife();
201                    if ($wife === null || $wife->isDead()) {
202                        continue;
203                    }
204                }
205            }
206            $facts->push($fact);
207        }
208
209        switch ($sort_by) {
210            case 'anniv':
211                $facts = $facts->sort(static function (Fact $x, Fact $y): int {
212                    return $x->jd <=> $y->jd;
213                });
214                break;
215
216            case 'alpha':
217                $facts = $facts->sort(static function (Fact $x, Fact $y): int {
218                    return GedcomRecord::nameComparator()($x->record(), $y->record());
219                });
220                break;
221        }
222
223        return $facts->values();
224    }
225
226    /**
227     * Get a list of events whose anniversary occured on a given julian day.
228     * Used on the on-this-day/upcoming blocks and the day/month calendar views.
229     *
230     * @param int    $jd    the julian day
231     * @param string $facts restrict the search to just these facts or leave blank for all
232     * @param Tree   $tree  the tree to search
233     *
234     * @return Fact[]
235     */
236    public function getAnniversaryEvents($jd, string $facts, Tree $tree): array
237    {
238        $found_facts = [];
239
240        $anniversaries = [
241            new GregorianDate($jd),
242            new JulianDate($jd),
243            new FrenchDate($jd),
244            new JewishDate($jd),
245            new HijriDate($jd),
246        ];
247
248        // There is a bug in the Persian Calendar that gives zero months for invalid dates
249        if ($jd > (new PersianCalendar())->jdStart()) {
250            $anniversaries[] = new JalaliDate($jd);
251        }
252
253        foreach ($anniversaries as $anniv) {
254            // Build a query to match anniversaries in the appropriate calendar.
255            $query = DB::table('dates')
256                ->distinct()
257                ->where('d_file', '=', $tree->id())
258                ->where('d_type', '=', $anniv->format('%@'));
259
260            // SIMPLE CASES:
261            // a) Non-hebrew anniversaries
262            // b) Hebrew months TVT, SHV, IYR, SVN, TMZ, AAV, ELL
263            if (!$anniv instanceof JewishDate || in_array($anniv->month, [1, 5, 6, 9, 10, 11, 12, 13], true)) {
264                $this->defaultAnniversaries($query, $anniv);
265            } else {
266                // SPECIAL CASES:
267                switch ($anniv->month) {
268                    case 2:
269                        $this->cheshvanAnniversaries($query, $anniv);
270                        break;
271                    case 3:
272                        $this->kislevAnniversaries($query, $anniv);
273                        break;
274                    case 4:
275                        $this->tevetAnniversaries($query, $anniv);
276                        break;
277                    case 7:
278                        $this->adarIIAnniversaries($query, $anniv);
279                        break;
280                    case 8:
281                        $this->nisanAnniversaries($query, $anniv);
282                        break;
283                }
284            }
285            // Only events in the past (includes dates without a year)
286            $query->where('d_year', '<=', $anniv->year());
287
288            if ($facts === '') {
289                // If no facts specified, get all except these
290                $query->whereNotIn('d_fact', self::SKIP_FACTS);
291            } else {
292                // Restrict to certain types of fact
293                preg_match_all('/([_A-Z]+)/', $facts, $matches);
294
295                $query->whereIn('d_fact', $matches[1]);
296            }
297
298            $query
299                ->orderBy('d_day')
300                ->orderBy('d_year', 'DESC');
301
302            $ind_query = (clone $query)
303                ->join('individuals', static function (JoinClause $join): void {
304                    $join->on('d_gid', '=', 'i_id')->on('d_file', '=', 'i_file');
305                })
306                ->select(['i_id AS xref', 'i_gedcom AS gedcom', 'd_type', 'd_day', 'd_month', 'd_year', 'd_fact']);
307
308            $fam_query = (clone $query)
309                ->join('families', static function (JoinClause $join): void {
310                    $join->on('d_gid', '=', 'f_id')->on('d_file', '=', 'f_file');
311                })
312                ->select(['f_id AS xref', 'f_gedcom AS gedcom', 'd_type', 'd_day', 'd_month', 'd_year', 'd_fact']);
313
314            // Now fetch these anniversaries
315            foreach (['INDI' => $ind_query, 'FAM' => $fam_query] as $type => $record_query) {
316                foreach ($record_query->get() as $row) {
317                    if ($type === 'INDI') {
318                        $record = Individual::getInstance($row->xref, $tree, $row->gedcom);
319                    } else {
320                        $record = Family::getInstance($row->xref, $tree, $row->gedcom);
321                    }
322
323                    $anniv_date = new Date($row->d_type . ' ' . $row->d_day . ' ' . $row->d_month . ' ' . $row->d_year);
324
325                    // The record may have multiple facts of this type.
326                    // Find the ones that match the date.
327                    foreach ($record->facts([$row->d_fact]) as $fact) {
328                        $min_date = $fact->date()->minimumDate();
329                        $max_date = $fact->date()->maximumDate();
330
331                        if ($min_date->minimumJulianDay() === $anniv_date->minimumJulianDay() && $min_date::ESCAPE === $row->d_type || $max_date->maximumJulianDay() === $anniv_date->maximumJulianDay() && $max_date::ESCAPE === $row->d_type) {
332                            $fact->anniv   = $row->d_year === '0' ? 0 : $anniv->year - $row->d_year;
333                            $fact->jd      = $jd;
334                            $found_facts[] = $fact;
335                        }
336                    }
337                }
338            }
339        }
340
341        return $found_facts;
342    }
343
344    /**
345     * By default, missing days have anniversaries on the first of the month,
346     * and invalid days have anniversaries on the last day of the month.
347     *
348     * @param Builder              $query
349     * @param AbstractCalendarDate $anniv
350     */
351    private function defaultAnniversaries(Builder $query, AbstractCalendarDate $anniv): void
352    {
353        if ($anniv->day() === 1) {
354            $query->where('d_day', '<=', 1);
355        } elseif ($anniv->day() === $anniv->daysInMonth()) {
356            $query->where('d_day', '>=', $anniv->daysInMonth());
357        } else {
358            $query->where('d_day', '=', $anniv->day());
359        }
360
361        $query->where('d_mon', '=', $anniv->month());
362    }
363
364    /**
365     * 29 CSH does not include 30 CSH (but would include an invalid 31 CSH if there were no 30 CSH).
366     *
367     * @param Builder    $query
368     * @param JewishDate $anniv
369     */
370    private function cheshvanAnniversaries(Builder $query, JewishDate $anniv): void
371    {
372        if ($anniv->day === 29 && $anniv->daysInMonth() === 29) {
373            $query
374                ->where('d_mon', '=', 2)
375                ->where('d_day', '>=', 29)
376                ->where('d_day', '<>', 30);
377        } else {
378            $this->defaultAnniversaries($query, $anniv);
379        }
380    }
381
382    /**
383     * 1 KSL includes 30 CSH (if this year didn’t have 30 CSH).
384     * 29 KSL does not include 30 KSL (but would include an invalid 31 KSL if there were no 30 KSL).
385     *
386     * @param Builder    $query
387     * @param JewishDate $anniv
388     */
389    private function kislevAnniversaries(Builder $query, JewishDate $anniv): void
390    {
391        $tmp = new JewishDate([(string) $anniv->year, 'CSH', '1']);
392
393        if ($anniv->day() === 1 && $tmp->daysInMonth() === 29) {
394            $query->where(static function (Builder $query): void {
395                $query->where(static function (Builder $query): void {
396                    $query->where('d_day', '<=', 1)->where('d_mon', '=', 3);
397                })->orWhere(static function (Builder $query): void {
398                    $query->where('d_day', '=', 30)->where('d_mon', '=', 2);
399                });
400            });
401        } elseif ($anniv->day === 29 && $anniv->daysInMonth() === 29) {
402            $query
403                ->where('d_mon', '=', 3)
404                ->where('d_day', '>=', 29)
405                ->where('d_day', '<>', 30);
406        } else {
407            $this->defaultAnniversaries($query, $anniv);
408        }
409    }
410
411    /**
412     * 1 TVT includes 30 KSL (if this year didn’t have 30 KSL).
413     *
414     * @param Builder    $query
415     * @param JewishDate $anniv
416     */
417    private function tevetAnniversaries(Builder $query, JewishDate $anniv): void
418    {
419        $tmp = new JewishDate([(string) $anniv->year, 'KSL', '1']);
420
421        if ($anniv->day === 1 && $tmp->daysInMonth() === 29) {
422            $query->where(static function (Builder $query): void {
423                $query->where(static function (Builder $query): void {
424                    $query->where('d_day', '<=', 1)->where('d_mon', '=', 4);
425                })->orWhere(static function (Builder $query): void {
426                    $query->where('d_day', '=', 30)->where('d_mon', '=', 3);
427                });
428            });
429        } else {
430            $this->defaultAnniversaries($query, $anniv);
431        }
432    }
433
434    /**
435     * ADS includes non-leap ADR.
436     *
437     * @param Builder    $query
438     * @param JewishDate $anniv
439     */
440    private function adarIIAnniversaries(Builder $query, JewishDate $anniv): void
441    {
442        if ($anniv->day() === 1) {
443            $query->where('d_day', '<=', 1);
444        } elseif ($anniv->day() === $anniv->daysInMonth()) {
445            $query->where('d_day', '>=', $anniv->daysInMonth());
446        } else {
447            $query->where('d_day', '<=', 1);
448        }
449
450        $query->where(static function (Builder $query): void {
451            $query
452                ->where('d_mon', '=', 7)
453                ->orWhere(static function (Builder $query): void {
454                    $query
455                        ->where('d_mon', '=', 6)
456                        ->where(new Expression('(7 * d_year + 1 % 19)'), '>=', 7);
457                });
458        });
459    }
460
461    /**
462     * 1 NSN includes 30 ADR, if this year is non-leap.
463     *
464     * @param Builder    $query
465     * @param JewishDate $anniv
466     */
467    private function nisanAnniversaries(Builder $query, JewishDate $anniv): void
468    {
469        if ($anniv->day === 1 && !$anniv->isLeapYear()) {
470            $query->where(static function (Builder $query): void {
471                $query->where(static function (Builder $query): void {
472                    $query->where('d_day', '<=', 1)->where('d_mon', '=', 8);
473                })->orWhere(static function (Builder $query): void {
474                    $query->where('d_day', '=', 30)->where('d_mon', '=', 6);
475                });
476            });
477        } else {
478            $this->defaultAnniversaries($query, $anniv);
479        }
480    }
481}
482