xref: /webtrees/app/Module/FrequentlyAskedQuestionsModule.php (revision 7c4add84379afdbaa7c4c272763673edc20fb830)
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\Module;
21
22use Fisharebest\Localization\Locale\LocaleInterface;
23use Fisharebest\Webtrees\Http\RequestHandlers\ControlPanel;
24use Fisharebest\Webtrees\I18N;
25use Fisharebest\Webtrees\Menu;
26use Fisharebest\Webtrees\Services\HtmlService;
27use Fisharebest\Webtrees\Services\TreeService;
28use Fisharebest\Webtrees\Tree;
29use Illuminate\Database\Capsule\Manager as DB;
30use Illuminate\Database\Query\Builder;
31use Illuminate\Support\Collection;
32use Psr\Http\Message\ResponseInterface;
33use Psr\Http\Message\ServerRequestInterface;
34use stdClass;
35
36use function assert;
37use function redirect;
38use function route;
39
40/**
41 * Class FrequentlyAskedQuestionsModule
42 */
43class FrequentlyAskedQuestionsModule extends AbstractModule implements ModuleConfigInterface, ModuleMenuInterface
44{
45    use ModuleConfigTrait;
46    use ModuleMenuTrait;
47
48    /** @var HtmlService */
49    private $html_service;
50
51    /** @var TreeService */
52    private $tree_service;
53
54    /**
55     * BatchUpdateModule constructor.
56     *
57     * @param HtmlService $html_service
58     * @param TreeService $tree_service
59     */
60    public function __construct(HtmlService $html_service, TreeService $tree_service)
61    {
62        $this->html_service = $html_service;
63        $this->tree_service = $tree_service;
64    }
65
66    /**
67     * How should this module be identified in the control panel, etc.?
68     *
69     * @return string
70     */
71    public function title(): string
72    {
73        /* I18N: Name of a module. Abbreviation for “Frequently Asked Questions” */
74        return I18N::translate('FAQ');
75    }
76
77    /**
78     * A sentence describing what this module does.
79     *
80     * @return string
81     */
82    public function description(): string
83    {
84        /* I18N: Description of the “FAQ” module */
85        return I18N::translate('A list of frequently asked questions and answers.');
86    }
87
88    /**
89     * The default position for this menu.  It can be changed in the control panel.
90     *
91     * @return int
92     */
93    public function defaultMenuOrder(): int
94    {
95        return 8;
96    }
97
98    /**
99     * A menu, to be added to the main application menu.
100     *
101     * @param Tree $tree
102     *
103     * @return Menu|null
104     */
105    public function getMenu(Tree $tree): ?Menu
106    {
107        $locale = app(ServerRequestInterface::class)->getAttribute('locale');
108        assert($locale instanceof LocaleInterface);
109
110        if ($this->faqsExist($tree, $locale->languageTag())) {
111            return new Menu($this->title(), route('module', [
112                'module' => $this->name(),
113                'action' => 'Show',
114                'tree'   => $tree->name(),
115            ]), 'menu-help');
116        }
117
118        return null;
119    }
120
121    /**
122     * @param ServerRequestInterface $request
123     *
124     * @return ResponseInterface
125     */
126    public function getAdminAction(ServerRequestInterface $request): ResponseInterface
127    {
128        $this->layout = 'layouts/administration';
129
130        // This module can't run without a tree
131        $tree = $request->getAttribute('tree');
132
133        if (!$tree instanceof Tree) {
134            $tree = $this->tree_service->all()->first();
135            if ($tree instanceof Tree) {
136                return redirect(route('module', ['module' => $this->name(), 'action' => 'Admin', 'tree' => $tree->name()]));
137            }
138
139            return redirect(route(ControlPanel::class));
140        }
141
142        $faqs = $this->faqsForTree($tree);
143
144        $min_block_order = DB::table('block')
145            ->where('module_name', '=', $this->name())
146            ->where(static function (Builder $query) use ($tree): void {
147                $query
148                    ->whereNull('gedcom_id')
149                    ->orWhere('gedcom_id', '=', $tree->id());
150            })
151            ->min('block_order');
152
153        $max_block_order = DB::table('block')
154            ->where('module_name', '=', $this->name())
155            ->where(static function (Builder $query) use ($tree): void {
156                $query
157                    ->whereNull('gedcom_id')
158                    ->orWhere('gedcom_id', '=', $tree->id());
159            })
160            ->max('block_order');
161
162        $title = I18N::translate('Frequently asked questions') . ' — ' . $tree->title();
163
164        return $this->viewResponse('modules/faq/config', [
165            'action'          => route('module', ['module' => $this->name(), 'action' => 'Admin']),
166            'faqs'            => $faqs,
167            'max_block_order' => $max_block_order,
168            'min_block_order' => $min_block_order,
169            'module'          => $this->name(),
170            'title'           => $title,
171            'tree'            => $tree,
172            'tree_names'      => $this->tree_service->titles(),
173        ]);
174    }
175
176    /**
177     * @param ServerRequestInterface $request
178     *
179     * @return ResponseInterface
180     */
181    public function postAdminAction(ServerRequestInterface $request): ResponseInterface
182    {
183        return redirect(route('module', [
184            'module' => $this->name(),
185            'action' => 'Admin',
186            'tree'   => $request->getParsedBody()['tree'] ?? '',
187        ]));
188    }
189
190    /**
191     * @param ServerRequestInterface $request
192     *
193     * @return ResponseInterface
194     */
195    public function postAdminDeleteAction(ServerRequestInterface $request): ResponseInterface
196    {
197        $block_id = (int) $request->getQueryParams()['block_id'];
198
199        DB::table('block_setting')->where('block_id', '=', $block_id)->delete();
200
201        DB::table('block')->where('block_id', '=', $block_id)->delete();
202
203        $url = route('module', [
204            'module' => $this->name(),
205            'action' => 'Admin',
206        ]);
207
208        return redirect($url);
209    }
210
211    /**
212     * @param ServerRequestInterface $request
213     *
214     * @return ResponseInterface
215     */
216    public function postAdminMoveDownAction(ServerRequestInterface $request): ResponseInterface
217    {
218        $block_id = (int) $request->getQueryParams()['block_id'];
219
220        $block_order = DB::table('block')
221            ->where('block_id', '=', $block_id)
222            ->value('block_order');
223
224        $swap_block = DB::table('block')
225            ->where('module_name', '=', $this->name())
226            ->where('block_order', '>', $block_order)
227            ->orderBy('block_order', 'asc')
228            ->first();
229
230        if ($block_order !== null && $swap_block !== null) {
231            DB::table('block')
232                ->where('block_id', '=', $block_id)
233                ->update([
234                    'block_order' => $swap_block->block_order,
235                ]);
236
237            DB::table('block')
238                ->where('block_id', '=', $swap_block->block_id)
239                ->update([
240                    'block_order' => $block_order,
241                ]);
242        }
243
244        return response();
245    }
246
247    /**
248     * @param ServerRequestInterface $request
249     *
250     * @return ResponseInterface
251     */
252    public function postAdminMoveUpAction(ServerRequestInterface $request): ResponseInterface
253    {
254        $block_id = (int) $request->getQueryParams()['block_id'];
255
256        $block_order = DB::table('block')
257            ->where('block_id', '=', $block_id)
258            ->value('block_order');
259
260        $swap_block = DB::table('block')
261            ->where('module_name', '=', $this->name())
262            ->where('block_order', '<', $block_order)
263            ->orderBy('block_order', 'desc')
264            ->first();
265
266        if ($block_order !== null && $swap_block !== null) {
267            DB::table('block')
268                ->where('block_id', '=', $block_id)
269                ->update([
270                    'block_order' => $swap_block->block_order,
271                ]);
272
273            DB::table('block')
274                ->where('block_id', '=', $swap_block->block_id)
275                ->update([
276                    'block_order' => $block_order,
277                ]);
278        }
279
280        return response();
281    }
282
283    /**
284     * @param ServerRequestInterface $request
285     *
286     * @return ResponseInterface
287     */
288    public function getAdminEditAction(ServerRequestInterface $request): ResponseInterface
289    {
290        $this->layout = 'layouts/administration';
291
292        $block_id = (int) ($request->getQueryParams()['block_id'] ?? 0);
293
294        if ($block_id === 0) {
295            // Creating a new faq
296            $header      = '';
297            $body        = '';
298            $gedcom_id   = null;
299            $block_order = 1 + (int) DB::table('block')->where('module_name', '=', $this->name())->max('block_order');
300
301            $languages = [];
302
303            $title = I18N::translate('Add an FAQ');
304        } else {
305            // Editing an existing faq
306            $header      = $this->getBlockSetting($block_id, 'header');
307            $body        = $this->getBlockSetting($block_id, 'faqbody');
308            $gedcom_id   = DB::table('block')->where('block_id', '=', $block_id)->value('gedcom_id');
309            $block_order = DB::table('block')->where('block_id', '=', $block_id)->value('block_order');
310
311            $languages = explode(',', $this->getBlockSetting($block_id, 'languages'));
312
313            $title = I18N::translate('Edit the FAQ');
314        }
315
316        $gedcom_ids = $this->tree_service->all()
317            ->mapWithKeys(static function (Tree $tree): array {
318                return [$tree->id() => $tree->title()];
319            })
320            ->all();
321
322        $gedcom_ids = ['' => I18N::translate('All')] + $gedcom_ids;
323
324        return $this->viewResponse('modules/faq/edit', [
325            'block_id'    => $block_id,
326            'block_order' => $block_order,
327            'header'      => $header,
328            'body'        => $body,
329            'languages'   => $languages,
330            'title'       => $title,
331            'gedcom_id'   => $gedcom_id,
332            'gedcom_ids'  => $gedcom_ids,
333        ]);
334    }
335
336    /**
337     * @param ServerRequestInterface $request
338     *
339     * @return ResponseInterface
340     */
341    public function postAdminEditAction(ServerRequestInterface $request): ResponseInterface
342    {
343        $block_id = (int) ($request->getQueryParams()['block_id'] ?? 0);
344
345        $params = $request->getParsedBody();
346
347        $body        = $params['body'];
348        $header      = $params['header'];
349        $languages   = $params['languages'] ?? [];
350        $gedcom_id   = $params['gedcom_id'];
351        $block_order = $params['block_order'];
352
353        if ($gedcom_id === '') {
354            $gedcom_id = null;
355        }
356
357        $body    = $this->html_service->sanitize($body);
358        $header  = $this->html_service->sanitize($header);
359
360        if ($block_id !== 0) {
361            DB::table('block')
362                ->where('block_id', '=', $block_id)
363                ->update([
364                    'gedcom_id'   => $gedcom_id,
365                    'block_order' => $block_order,
366                ]);
367        } else {
368            DB::table('block')->insert([
369                'gedcom_id'   => $gedcom_id,
370                'module_name' => $this->name(),
371                'block_order' => $block_order,
372            ]);
373
374            $block_id = (int) DB::connection()->getPdo()->lastInsertId();
375        }
376
377        $this->setBlockSetting($block_id, 'faqbody', $body);
378        $this->setBlockSetting($block_id, 'header', $header);
379        $this->setBlockSetting($block_id, 'languages', implode(',', $languages));
380
381        $url = route('module', [
382            'module' => $this->name(),
383            'action' => 'Admin',
384        ]);
385
386        return redirect($url);
387    }
388
389    /**
390     * @param ServerRequestInterface $request
391     *
392     * @return ResponseInterface
393     */
394    public function getShowAction(ServerRequestInterface $request): ResponseInterface
395    {
396        $locale = $request->getAttribute('locale');
397        assert($locale instanceof LocaleInterface);
398
399        $tree = $request->getAttribute('tree');
400        assert($tree instanceof Tree);
401
402        // Filter foreign languages.
403        $faqs = $this->faqsForTree($tree)
404            ->filter(static function (stdClass $faq) use ($locale): bool {
405                return $faq->languages === '' || in_array($locale->languageTag(), explode(',', $faq->languages), true);
406            });
407
408        return $this->viewResponse('modules/faq/show', [
409            'faqs'  => $faqs,
410            'title' => I18N::translate('Frequently asked questions'),
411            'tree'  => $tree,
412        ]);
413    }
414
415    /**
416     * @param Tree $tree
417     *
418     * @return Collection
419     */
420    private function faqsForTree(Tree $tree): Collection
421    {
422        return DB::table('block')
423            ->join('block_setting AS bs1', 'bs1.block_id', '=', 'block.block_id')
424            ->join('block_setting AS bs2', 'bs2.block_id', '=', 'block.block_id')
425            ->join('block_setting AS bs3', 'bs3.block_id', '=', 'block.block_id')
426            ->where('module_name', '=', $this->name())
427            ->where('bs1.setting_name', '=', 'header')
428            ->where('bs2.setting_name', '=', 'faqbody')
429            ->where('bs3.setting_name', '=', 'languages')
430            ->where(static function (Builder $query) use ($tree): void {
431                $query
432                    ->whereNull('gedcom_id')
433                    ->orWhere('gedcom_id', '=', $tree->id());
434            })
435            ->orderBy('block_order')
436            ->select(['block.block_id', 'block_order', 'gedcom_id', 'bs1.setting_value AS header', 'bs2.setting_value AS faqbody', 'bs3.setting_value AS languages'])
437            ->get();
438    }
439
440    /**
441     * @param Tree   $tree
442     * @param string $language
443     *
444     * @return bool
445     */
446    private function faqsExist(Tree $tree, string $language): bool
447    {
448        return DB::table('block')
449            ->join('block_setting', 'block_setting.block_id', '=', 'block.block_id')
450            ->where('module_name', '=', $this->name())
451            ->where('setting_name', '=', 'languages')
452            ->where(static function (Builder $query) use ($tree): void {
453                $query
454                    ->whereNull('gedcom_id')
455                    ->orWhere('gedcom_id', '=', $tree->id());
456            })
457            ->select(['setting_value AS languages'])
458            ->get()
459            ->filter(static function (stdClass $faq) use ($language): bool {
460                return $faq->languages === '' || in_array($language, explode(',', $faq->languages), true);
461            })
462            ->isNotEmpty();
463    }
464}
465