xref: /webtrees/app/Module/YahrzeitModule.php (revision 37325501fd7f995cc4d53053bde6fda79d5d2877) 
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\Module;
19
20use Carbon\Carbon;
21use Fisharebest\ExtCalendar\JewishCalendar;
22use Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\Date;
24use Fisharebest\Webtrees\Date\GregorianDate;
25use Fisharebest\Webtrees\Date\JewishDate;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Services\CalendarService;
28use Fisharebest\Webtrees\Tree;
29use Symfony\Component\HttpFoundation\Request;
30
31/**
32 * Class YahrzeitModule
33 */
34class YahrzeitModule extends AbstractModule implements ModuleBlockInterface
35{
36    use ModuleBlockTrait;
37
38    // Default values for new blocks.
39    private const DEFAULT_CALENDAR = 'jewish';
40    private const DEFAULT_DAYS     = '7';
41    private const DEFAULT_STYLE    = 'table';
42
43    // Can show this number of days into the future.
44    private const MAX_DAYS = 30;
45
46    /**
47     * How should this module be labelled on tabs, menus, etc.?
48     *
49     * @return string
50     */
51    public function title(): string
52    {
53        /* I18N: Name of a module. Yahrzeiten (the plural of Yahrzeit) are special anniversaries of deaths in the Hebrew faith/calendar. */
54        return I18N::translate('Yahrzeiten');
55    }
56
57    /**
58     * A sentence describing what this module does.
59     *
60     * @return string
61     */
62    public function description(): string
63    {
64        /* I18N: Description of the “Yahrzeiten” module. A “Hebrew death” is a death where the date is recorded in the Hebrew calendar. */
65        return I18N::translate('A list of the Hebrew death anniversaries that will occur in the near future.');
66    }
67
68    /**
69     * Generate the HTML content of this block.
70     *
71     * @param Tree     $tree
72     * @param int      $block_id
73     * @param string   $ctype
74     * @param string[] $cfg
75     *
76     * @return string
77     */
78    public function getBlock(Tree $tree, int $block_id, string $ctype = '', array $cfg = []): string
79    {
80        $calendar_service = new CalendarService();
81
82        $days      = (int) $this->getBlockSetting($block_id, 'days', self::DEFAULT_DAYS);
83        $infoStyle = $this->getBlockSetting($block_id, 'infoStyle', self::DEFAULT_STYLE);
84        $calendar  = $this->getBlockSetting($block_id, 'calendar', self::DEFAULT_CALENDAR);
85
86        extract($cfg, EXTR_OVERWRITE);
87
88        $jewish_calendar = new JewishCalendar();
89        $startjd         = unixtojd(Carbon::now()->timestamp);
90        $endjd           = $startjd + $days - 1;
91
92        // The standard anniversary rules cover most of the Yahrzeit rules, we just
93        // need to handle a few special cases.
94        // Fetch normal anniversaries, with an extra day before/after
95        $yahrzeits = [];
96        for ($jd = $startjd - 1; $jd <= $endjd + $days; ++$jd) {
97            foreach ($calendar_service->getAnniversaryEvents($jd, 'DEAT _YART', $tree) as $fact) {
98                // Exact hebrew dates only
99                $date = $fact->date();
100                if ($date->minimumDate() instanceof JewishDate && $date->minimumJulianDay() === $date->maximumJulianDay()) {
101                    // ...then adjust DEAT dates (but not _YART)
102                    if ($fact->getTag() === 'DEAT') {
103                        $today     = new JewishDate($jd);
104                        $hd        = $fact->date()->minimumDate();
105                        $hd1       = new JewishDate($hd);
106                        $hd1->year += 1;
107                        $hd1->setJdFromYmd();
108                        // Special rules. See http://www.hebcal.com/help/anniv.html
109                        // Everything else is taken care of by our standard anniversary rules.
110                        if ($hd->day == 30 && $hd->month == 2 && $hd->year != 0 && $hd1->daysInMonth() < 30) {
111                            // 30 CSH - Last day in CSH
112                            $jd = $jewish_calendar->ymdToJd($today->year, 3, 1) - 1;
113                        } elseif ($hd->day == 30 && $hd->month == 3 && $hd->year != 0 && $hd1->daysInMonth() < 30) {
114                            // 30 KSL - Last day in KSL
115                            $jd = $jewish_calendar->ymdToJd($today->year, 4, 1) - 1;
116                        } elseif ($hd->day == 30 && $hd->month == 6 && $hd->year != 0 && $today->daysInMonth() < 30 && !$today->isLeapYear()) {
117                            // 30 ADR - Last day in SHV
118                            $jd = $jewish_calendar->ymdToJd($today->year, 6, 1) - 1;
119                        }
120                    }
121
122                    // Filter adjusted dates to our date range
123                    if ($jd >= $startjd && $jd < $startjd + $days) {
124                        // upcomming yahrzeit dates
125                        switch ($calendar) {
126                            case 'gregorian':
127                                $yahrzeit_date = new GregorianDate($jd);
128                                break;
129                            case 'jewish':
130                            default:
131                                $yahrzeit_date = new JewishDate($jd);
132                                break;
133                        }
134                        $yahrzeit_date = new Date($yahrzeit_date->format('%@ %A %O %E'));
135
136                        $yahrzeits[] = (object) [
137                            'individual'    => $fact->record(),
138                            'fact_date'     => $fact->date(),
139                            'fact'          => $fact,
140                            'jd'            => $jd,
141                            'yahrzeit_date' => $yahrzeit_date,
142                        ];
143                    }
144                }
145            }
146        }
147
148        switch ($infoStyle) {
149            case 'list':
150                $content = view('modules/yahrzeit/list', [
151                    'yahrzeits' => $yahrzeits,
152                ]);
153                break;
154            case 'table':
155            default:
156                $content = view('modules/yahrzeit/table', [
157                    'yahrzeits' => $yahrzeits,
158                ]);
159                break;
160        }
161
162        if ($ctype !== '') {
163            if ($ctype === 'gedcom' && Auth::isManager($tree)) {
164                $config_url = route('tree-page-block-edit', [
165                    'block_id' => $block_id,
166                    'ged'      => $tree->name(),
167                ]);
168            } elseif ($ctype === 'user' && Auth::check()) {
169                $config_url = route('user-page-block-edit', [
170                    'block_id' => $block_id,
171                    'ged'      => $tree->name(),
172                ]);
173            } else {
174                $config_url = '';
175            }
176
177            return view('modules/block-template', [
178                'block'      => str_replace('_', '-', $this->name()),
179                'id'         => $block_id,
180                'config_url' => $config_url,
181                'title'      => $this->title(),
182                'content'    => $content,
183            ]);
184        }
185
186        return $content;
187    }
188
189    /** {@inheritdoc} */
190    public function loadAjax(): bool
191    {
192        return true;
193    }
194
195    /** {@inheritdoc} */
196    public function isUserBlock(): bool
197    {
198        return true;
199    }
200
201    /** {@inheritdoc} */
202    public function isTreeBlock(): bool
203    {
204        return true;
205    }
206
207    /**
208     * Update the configuration for a block.
209     *
210     * @param Request $request
211     * @param int     $block_id
212     *
213     * @return void
214     */
215    public function saveBlockConfiguration(Request $request, int $block_id)
216    {
217        $this->setBlockSetting($block_id, 'days', $request->get('days', self::DEFAULT_DAYS));
218        $this->setBlockSetting($block_id, 'infoStyle', $request->get('infoStyle', self::DEFAULT_STYLE));
219        $this->setBlockSetting($block_id, 'calendar', $request->get('calendar', self::DEFAULT_CALENDAR));
220    }
221
222    /**
223     * An HTML form to edit block settings
224     *
225     * @param Tree $tree
226     * @param int  $block_id
227     *
228     * @return void
229     */
230    public function editBlockConfiguration(Tree $tree, int $block_id)
231    {
232        $calendar  = $this->getBlockSetting($block_id, 'calendar', 'jewish');
233        $days      = $this->getBlockSetting($block_id, 'days', self::DEFAULT_DAYS);
234        $infoStyle = $this->getBlockSetting($block_id, 'infoStyle', 'table');
235
236        $styles = [
237            /* I18N: An option in a list-box */
238            'list'  => I18N::translate('list'),
239            /* I18N: An option in a list-box */
240            'table' => I18N::translate('table'),
241        ];
242
243        $calendars = [
244            'jewish'    => I18N::translate('Jewish'),
245            'gregorian' => I18N::translate('Gregorian'),
246        ];
247
248        echo view('modules/yahrzeit/config', [
249            'calendar'  => $calendar,
250            'calendars' => $calendars,
251            'days'      => $days,
252            'infoStyle' => $infoStyle,
253            'max_days'  => self::MAX_DAYS,
254            'styles'    => $styles,
255        ]);
256    }
257}
258