xref: /webtrees/app/Module/YahrzeitModule.php (revision 67994fb087e1b24564a780e4ae8aeff801733e35) 
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2018 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 Fisharebest\ExtCalendar\JewishCalendar;
21use Fisharebest\Webtrees\Auth;
22use Fisharebest\Webtrees\Date;
23use Fisharebest\Webtrees\Date\GregorianDate;
24use Fisharebest\Webtrees\Date\JewishDate;
25use Fisharebest\Webtrees\I18N;
26use Fisharebest\Webtrees\Services\CalendarService;
27use Fisharebest\Webtrees\Tree;
28use Symfony\Component\HttpFoundation\Request;
29
30/**
31 * Class YahrzeitModule
32 */
33class YahrzeitModule extends AbstractModule implements ModuleBlockInterface
34{
35    // Default values for new blocks.
36    const DEFAULT_CALENDAR = 'jewish';
37    const DEFAULT_DAYS     = '7';
38    const DEFAULT_STYLE    = 'table';
39
40    // Can show this number of days into the future.
41    const MAX_DAYS = 30;
42
43    /** {@inheritdoc} */
44    public function getTitle(): string
45    {
46        /* I18N: Name of a module. Yahrzeiten (the plural of Yahrzeit) are special anniversaries of deaths in the Hebrew faith/calendar. */
47        return I18N::translate('Yahrzeiten');
48    }
49
50    /** {@inheritdoc} */
51    public function getDescription(): string
52    {
53        /* I18N: Description of the “Yahrzeiten” module. A “Hebrew death” is a death where the date is recorded in the Hebrew calendar. */
54        return I18N::translate('A list of the Hebrew death anniversaries that will occur in the near future.');
55    }
56
57    /**
58     * Generate the HTML content of this block.
59     *
60     * @param Tree     $tree
61     * @param int      $block_id
62     * @param bool     $template
63     * @param string[] $cfg
64     *
65     * @return string
66     */
67    public function getBlock(Tree $tree, int $block_id, bool $template = true, array $cfg = []): string
68    {
69        global $ctype;
70
71        $calendar_service = new CalendarService();
72
73        $days      = (int) $this->getBlockSetting($block_id, 'days', self::DEFAULT_DAYS);
74        $infoStyle = $this->getBlockSetting($block_id, 'infoStyle', self::DEFAULT_STYLE);
75        $calendar  = $this->getBlockSetting($block_id, 'calendar', self::DEFAULT_CALENDAR);
76
77        extract($cfg, EXTR_OVERWRITE);
78
79        $jewish_calendar = new JewishCalendar();
80        $startjd         = WT_CLIENT_JD;
81        $endjd           = WT_CLIENT_JD + $days - 1;
82
83        // The standard anniversary rules cover most of the Yahrzeit rules, we just
84        // need to handle a few special cases.
85        // Fetch normal anniversaries, with an extra day before/after
86        $yahrzeits = [];
87        for ($jd = $startjd - 1; $jd <= $endjd + $days; ++$jd) {
88            foreach ($calendar_service->getAnniversaryEvents($jd, 'DEAT _YART', $tree) as $fact) {
89                // Exact hebrew dates only
90                $date = $fact->getDate();
91                if ($date->minimumDate() instanceof JewishDate && $date->minimumJulianDay() === $date->maximumJulianDay()) {
92                    // ...then adjust DEAT dates (but not _YART)
93                    if ($fact->getTag() === 'DEAT') {
94                        $today  = new JewishDate($jd);
95                        $hd     = $fact->getDate()->minimumDate();
96                        $hd1    = new JewishDate($hd);
97                        $hd1->y += 1;
98                        $hd1->setJdFromYmd();
99                        // Special rules. See http://www.hebcal.com/help/anniv.html
100                        // Everything else is taken care of by our standard anniversary rules.
101                        if ($hd->d == 30 && $hd->m == 2 && $hd->y != 0 && $hd1->daysInMonth() < 30) {
102                            // 30 CSH - Last day in CSH
103                            $jd = $jewish_calendar->ymdToJd($today->y, 3, 1) - 1;
104                        } elseif ($hd->d == 30 && $hd->m == 3 && $hd->y != 0 && $hd1->daysInMonth() < 30) {
105                            // 30 KSL - Last day in KSL
106                            $jd = $jewish_calendar->ymdToJd($today->y, 4, 1) - 1;
107                        } elseif ($hd->d == 30 && $hd->m == 6 && $hd->y != 0 && $today->daysInMonth() < 30 && !$today->isLeapYear()) {
108                            // 30 ADR - Last day in SHV
109                            $jd = $jewish_calendar->ymdToJd($today->y, 6, 1) - 1;
110                        }
111                    }
112
113                    // Filter adjusted dates to our date range
114                    if ($jd >= $startjd && $jd < $startjd + $days) {
115                        // upcomming yahrzeit dates
116                        switch ($calendar) {
117                            case 'gregorian':
118                                $yahrzeit_date = new GregorianDate($jd);
119                                break;
120                            case 'jewish':
121                            default:
122                                $yahrzeit_date = new JewishDate($jd);
123                                break;
124                        }
125                        $yahrzeit_date = new Date($yahrzeit_date->format('%@ %A %O %E'));
126
127                        $yahrzeits[] = (object) [
128                            'individual'    => $fact->getParent(),
129                            'fact_date'     => $fact->getDate(),
130                            'fact'          => $fact,
131                            'jd'            => $jd,
132                            'yahrzeit_date' => $yahrzeit_date,
133                        ];
134                    }
135                }
136            }
137        }
138
139        switch ($infoStyle) {
140            case 'list':
141                $content = view('modules/yahrzeit/list', [
142                    'yahrzeits' => $yahrzeits,
143                ]);
144                break;
145            case 'table':
146            default:
147                $content = view('modules/yahrzeit/table', [
148                    'yahrzeits' => $yahrzeits,
149                ]);
150                break;
151        }
152
153        if ($template) {
154            if ($ctype === 'gedcom' && Auth::isManager($tree)) {
155                $config_url = route('tree-page-block-edit', [
156                    'block_id' => $block_id,
157                    'ged'      => $tree->getName(),
158                ]);
159            } elseif ($ctype === 'user' && Auth::check()) {
160                $config_url = route('user-page-block-edit', [
161                    'block_id' => $block_id,
162                    'ged'      => $tree->getName(),
163                ]);
164            } else {
165                $config_url = '';
166            }
167
168            return view('modules/block-template', [
169                'block'      => str_replace('_', '-', $this->getName()),
170                'id'         => $block_id,
171                'config_url' => $config_url,
172                'title'      => $this->getTitle(),
173                'content'    => $content,
174            ]);
175        }
176
177        return $content;
178    }
179
180    /** {@inheritdoc} */
181    public function loadAjax(): bool
182    {
183        return true;
184    }
185
186    /** {@inheritdoc} */
187    public function isUserBlock(): bool
188    {
189        return true;
190    }
191
192    /** {@inheritdoc} */
193    public function isGedcomBlock(): bool
194    {
195        return true;
196    }
197
198    /**
199     * Update the configuration for a block.
200     *
201     * @param Request $request
202     * @param int     $block_id
203     *
204     * @return void
205     */
206    public function saveBlockConfiguration(Request $request, int $block_id)
207    {
208        $this->setBlockSetting($block_id, 'days', $request->get('days', self::DEFAULT_DAYS));
209        $this->setBlockSetting($block_id, 'infoStyle', $request->get('infoStyle', self::DEFAULT_STYLE));
210        $this->setBlockSetting($block_id, 'calendar', $request->get('calendar', self::DEFAULT_CALENDAR));
211    }
212
213    /**
214     * An HTML form to edit block settings
215     *
216     * @param Tree $tree
217     * @param int  $block_id
218     *
219     * @return void
220     */
221    public function editBlockConfiguration(Tree $tree, int $block_id)
222    {
223        $calendar  = $this->getBlockSetting($block_id, 'calendar', 'jewish');
224        $days      = $this->getBlockSetting($block_id, 'days', self::DEFAULT_DAYS);
225        $infoStyle = $this->getBlockSetting($block_id, 'infoStyle', 'table');
226
227        $styles = [
228            /* I18N: An option in a list-box */
229            'list'  => I18N::translate('list'),
230            /* I18N: An option in a list-box */
231            'table' => I18N::translate('table'),
232        ];
233
234        $calendars = [
235            'jewish'    => I18N::translate('Jewish'),
236            'gregorian' => I18N::translate('Gregorian'),
237        ];
238
239        echo view('modules/yahrzeit/config', [
240            'calendar'  => $calendar,
241            'calendars' => $calendars,
242            'days'      => $days,
243            'infoStyle' => $infoStyle,
244            'max_days'  => self::MAX_DAYS,
245            'styles'    => $styles,
246        ]);
247    }
248}
249