xref: /webtrees/app/Module/SlideShowModule.php (revision a565e135d9aa2f3d9f55f82407a0703776784d78) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Module;
21
22use Fisharebest\Webtrees\Registry;
23use Fisharebest\Webtrees\GedcomTag;
24use Fisharebest\Webtrees\I18N;
25use Fisharebest\Webtrees\Media;
26use Fisharebest\Webtrees\Tree;
27use Illuminate\Database\Capsule\Manager as DB;
28use Illuminate\Database\Query\JoinClause;
29use Illuminate\Support\Str;
30use Psr\Http\Message\ServerRequestInterface;
31use stdClass;
32
33use function app;
34use function array_filter;
35use function assert;
36use function in_array;
37use function str_contains;
38
39/**
40 * Class SlideShowModule
41 */
42class SlideShowModule extends AbstractModule implements ModuleBlockInterface
43{
44    use ModuleBlockTrait;
45
46    // Show media linked to events or individuals.
47    private const LINK_ALL        = 'all';
48    private const LINK_EVENT      = 'event';
49    private const LINK_INDIVIDUAL = 'indi';
50
51    // How long to show each slide (seconds)
52    private const DELAY = 6;
53
54    /**
55     * A sentence describing what this module does.
56     *
57     * @return string
58     */
59    public function description(): string
60    {
61        /* I18N: Description of the “Slide show” module */
62        return I18N::translate('Random images from the current family tree.');
63    }
64
65    /**
66     * Generate the HTML content of this block.
67     *
68     * @param Tree     $tree
69     * @param int      $block_id
70     * @param string   $context
71     * @param string[] $config
72     *
73     * @return string
74     */
75    public function getBlock(Tree $tree, int $block_id, string $context, array $config = []): string
76    {
77        $request       = app(ServerRequestInterface::class);
78        $default_start = $this->getBlockSetting($block_id, 'start');
79        $filter_links  = $this->getBlockSetting($block_id, 'filter', self::LINK_ALL);
80        $controls      = $this->getBlockSetting($block_id, 'controls', '1');
81        $start         = (bool) ($request->getQueryParams()['start'] ?? $default_start);
82
83        $filter_types = [
84            $this->getBlockSetting($block_id, 'filter_audio', '0') ? 'audio' : null,
85            $this->getBlockSetting($block_id, 'filter_book', '1') ? 'book' : null,
86            $this->getBlockSetting($block_id, 'filter_card', '1') ? 'card' : null,
87            $this->getBlockSetting($block_id, 'filter_certificate', '1') ? 'certificate' : null,
88            $this->getBlockSetting($block_id, 'filter_coat', '1') ? 'coat' : null,
89            $this->getBlockSetting($block_id, 'filter_document', '1') ? 'document' : null,
90            $this->getBlockSetting($block_id, 'filter_electronic', '1') ? 'electronic' : null,
91            $this->getBlockSetting($block_id, 'filter_fiche', '1') ? 'fiche' : null,
92            $this->getBlockSetting($block_id, 'filter_film', '1') ? 'film' : null,
93            $this->getBlockSetting($block_id, 'filter_magazine', '1') ? 'magazine' : null,
94            $this->getBlockSetting($block_id, 'filter_manuscript', '1') ? 'manuscript' : null,
95            $this->getBlockSetting($block_id, 'filter_map', '1') ? 'map' : null,
96            $this->getBlockSetting($block_id, 'filter_newspaper', '1') ? 'newspaper' : null,
97            $this->getBlockSetting($block_id, 'filter_other', '1') ? 'other' : null,
98            $this->getBlockSetting($block_id, 'filter_painting', '1') ? 'painting' : null,
99            $this->getBlockSetting($block_id, 'filter_photo', '1') ? 'photo' : null,
100            $this->getBlockSetting($block_id, 'filter_tombstone', '1') ? 'tombstone' : null,
101            $this->getBlockSetting($block_id, 'filter_video', '0') ? 'video' : null,
102        ];
103
104        $filter_types = array_filter($filter_types);
105
106        // The type "other" includes media without a type.
107        if (in_array('other', $filter_types, true)) {
108            $filter_types[] = '';
109        }
110
111        // We can apply the filters using SQL, but it is more efficient to shuffle in PHP.
112        $random_row = DB::table('media')
113            ->join('media_file', static function (JoinClause $join): void {
114                $join
115                    ->on('media_file.m_file', '=', 'media.m_file')
116                    ->on('media_file.m_id', '=', 'media.m_id');
117            })
118            ->where('media.m_file', '=', $tree->id())
119            ->whereIn('media_file.multimedia_format', ['jpg', 'jpeg', 'png', 'gif', 'tiff', 'bmp'])
120            ->whereIn('media_file.source_media_type', $filter_types)
121            ->select('media.*')
122            ->get()
123            ->shuffle()
124            ->first(static function (stdClass $row) use ($filter_links, $tree): bool {
125                $media = Registry::mediaFactory()->make($row->m_id, $tree, $row->m_gedcom);
126                assert($media instanceof Media);
127
128                if (!$media->canShow() || $media->firstImageFile() === null) {
129                    return false;
130                }
131
132                foreach ($media->linkedIndividuals('OBJE') as $individual) {
133                    switch ($filter_links) {
134                        case self::LINK_ALL:
135                            return true;
136
137                        case self::LINK_INDIVIDUAL:
138                            return str_contains($individual->gedcom(), "\n1 OBJE @" . $media->xref() . '@');
139
140                        case self::LINK_EVENT:
141                            return str_contains($individual->gedcom(), "\n2 OBJE @" . $media->xref() . '@');
142                    }
143                }
144
145                return false;
146            });
147
148        $random_media = null;
149
150        if ($random_row !== null) {
151            $random_media = Registry::mediaFactory()->make($random_row->m_id, $tree, $random_row->m_gedcom);
152        }
153
154        if ($random_media instanceof Media) {
155            $content = view('modules/random_media/slide-show', [
156                'block_id'            => $block_id,
157                'delay'               => self::DELAY,
158                'media'               => $random_media,
159                'media_file'          => $random_media->firstImageFile(),
160                'show_controls'       => $controls,
161                'start_automatically' => $start,
162                'tree'                => $tree,
163            ]);
164        } else {
165            $content = I18N::translate('This family tree has no images to display.');
166        }
167
168        if ($context !== self::CONTEXT_EMBED) {
169            return view('modules/block-template', [
170                'block'      => Str::kebab($this->name()),
171                'id'         => $block_id,
172                'config_url' => $this->configUrl($tree, $context, $block_id),
173                'title'      => $this->title(),
174                'content'    => $content,
175            ]);
176        }
177
178        return $content;
179    }
180
181    /**
182     * How should this module be identified in the control panel, etc.?
183     *
184     * @return string
185     */
186    public function title(): string
187    {
188        /* I18N: Name of a module */
189        return I18N::translate('Slide show');
190    }
191
192    /**
193     * Should this block load asynchronously using AJAX?
194     *
195     * Simple blocks are faster in-line, more complex ones can be loaded later.
196     *
197     * @return bool
198     */
199    public function loadAjax(): bool
200    {
201        return true;
202    }
203
204    /**
205     * Can this block be shown on the user’s home page?
206     *
207     * @return bool
208     */
209    public function isUserBlock(): bool
210    {
211        return true;
212    }
213
214    /**
215     * Can this block be shown on the tree’s home page?
216     *
217     * @return bool
218     */
219    public function isTreeBlock(): bool
220    {
221        return true;
222    }
223
224    /**
225     * Update the configuration for a block.
226     *
227     * @param ServerRequestInterface $request
228     * @param int                    $block_id
229     *
230     * @return void
231     */
232    public function saveBlockConfiguration(ServerRequestInterface $request, int $block_id): void
233    {
234        $params = (array) $request->getParsedBody();
235
236        $this->setBlockSetting($block_id, 'filter', $params['filter']);
237        $this->setBlockSetting($block_id, 'controls', $params['controls']);
238        $this->setBlockSetting($block_id, 'start', $params['start']);
239        $this->setBlockSetting($block_id, 'filter_audio', $params['filter_audio'] ?? '');
240        $this->setBlockSetting($block_id, 'filter_book', $params['filter_book'] ?? '');
241        $this->setBlockSetting($block_id, 'filter_card', $params['filter_card'] ?? '');
242        $this->setBlockSetting($block_id, 'filter_certificate', $params['filter_certificate'] ?? '');
243        $this->setBlockSetting($block_id, 'filter_coat', $params['filter_coat'] ?? '');
244        $this->setBlockSetting($block_id, 'filter_document', $params['filter_document'] ?? '');
245        $this->setBlockSetting($block_id, 'filter_electronic', $params['filter_electronic'] ?? '');
246        $this->setBlockSetting($block_id, 'filter_fiche', $params['filter_fiche'] ?? '');
247        $this->setBlockSetting($block_id, 'filter_film', $params['filter_film'] ?? '');
248        $this->setBlockSetting($block_id, 'filter_magazine', $params['filter_magazine'] ?? '');
249        $this->setBlockSetting($block_id, 'filter_manuscript', $params['filter_manuscript'] ?? '');
250        $this->setBlockSetting($block_id, 'filter_map', $params['filter_map'] ?? '');
251        $this->setBlockSetting($block_id, 'filter_newspaper', $params['filter_newspaper'] ?? '');
252        $this->setBlockSetting($block_id, 'filter_other', $params['filter_other'] ?? '');
253        $this->setBlockSetting($block_id, 'filter_painting', $params['filter_painting'] ?? '');
254        $this->setBlockSetting($block_id, 'filter_photo', $params['filter_photo'] ?? '');
255        $this->setBlockSetting($block_id, 'filter_tombstone', $params['filter_tombstone'] ?? '');
256        $this->setBlockSetting($block_id, 'filter_video', $params['filter_video'] ?? '');
257    }
258
259    /**
260     * An HTML form to edit block settings
261     *
262     * @param Tree $tree
263     * @param int  $block_id
264     *
265     * @return string
266     */
267    public function editBlockConfiguration(Tree $tree, int $block_id): string
268    {
269        $filter   = $this->getBlockSetting($block_id, 'filter', self::LINK_ALL);
270        $controls = $this->getBlockSetting($block_id, 'controls', '1');
271        $start    = $this->getBlockSetting($block_id, 'start', '0');
272
273        $filters = [
274            'audio'       => $this->getBlockSetting($block_id, 'filter_audio', '0'),
275            'book'        => $this->getBlockSetting($block_id, 'filter_book', '1'),
276            'card'        => $this->getBlockSetting($block_id, 'filter_card', '1'),
277            'certificate' => $this->getBlockSetting($block_id, 'filter_certificate', '1'),
278            'coat'        => $this->getBlockSetting($block_id, 'filter_coat', '1'),
279            'document'    => $this->getBlockSetting($block_id, 'filter_document', '1'),
280            'electronic'  => $this->getBlockSetting($block_id, 'filter_electronic', '1'),
281            'fiche'       => $this->getBlockSetting($block_id, 'filter_fiche', '1'),
282            'film'        => $this->getBlockSetting($block_id, 'filter_film', '1'),
283            'magazine'    => $this->getBlockSetting($block_id, 'filter_magazine', '1'),
284            'manuscript'  => $this->getBlockSetting($block_id, 'filter_manuscript', '1'),
285            'map'         => $this->getBlockSetting($block_id, 'filter_map', '1'),
286            'newspaper'   => $this->getBlockSetting($block_id, 'filter_newspaper', '1'),
287            'other'       => $this->getBlockSetting($block_id, 'filter_other', '1'),
288            'painting'    => $this->getBlockSetting($block_id, 'filter_painting', '1'),
289            'photo'       => $this->getBlockSetting($block_id, 'filter_photo', '1'),
290            'tombstone'   => $this->getBlockSetting($block_id, 'filter_tombstone', '1'),
291            'video'       => $this->getBlockSetting($block_id, 'filter_video', '0'),
292        ];
293
294        $formats = array_filter(Registry::elementFactory()->make('OBJE:FILE:FORM:TYPE')->values());
295
296        return view('modules/random_media/config', [
297            'controls' => $controls,
298            'filter'   => $filter,
299            'filters'  => $filters,
300            'formats'  => $formats,
301            'start'    => $start,
302        ]);
303    }
304}
305