xref: /webtrees/app/Module/RecentChangesModule.php (revision fbd9d3f808723b42df498a5ad14beee72185097b) 
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\Webtrees\Carbon;
23use Fisharebest\Webtrees\GedcomRecord;
24use Fisharebest\Webtrees\I18N;
25use Fisharebest\Webtrees\Services\UserService;
26use Fisharebest\Webtrees\Tree;
27use Illuminate\Database\Capsule\Manager as DB;
28use Illuminate\Database\Query\Expression;
29use Illuminate\Support\Collection;
30use Illuminate\Support\Str;
31use Psr\Http\Message\ServerRequestInterface;
32use stdClass;
33
34use function extract;
35use function view;
36
37use const EXTR_OVERWRITE;
38
39/**
40 * Class RecentChangesModule
41 */
42class RecentChangesModule extends AbstractModule implements ModuleBlockInterface
43{
44    use ModuleBlockTrait;
45
46    private const DEFAULT_DAYS       = '7';
47    private const DEFAULT_SHOW_USER  = '1';
48    private const DEFAULT_SORT_STYLE = 'date_desc';
49    private const DEFAULT_INFO_STYLE = 'table';
50    private const MAX_DAYS           = 90;
51
52    // Pagination
53    private const LIMIT_LOW  = 10;
54    private const LIMIT_HIGH = 20;
55
56    /** @var UserService */
57    private $user_service;
58
59    /**
60     * RecentChangesModule constructor.
61     *
62     * @param UserService $user_service
63     */
64    public function __construct(UserService $user_service)
65    {
66        $this->user_service = $user_service;
67    }
68
69    /**
70     * How should this module be identified in the control panel, etc.?
71     *
72     * @return string
73     */
74    public function title(): string
75    {
76        /* I18N: Name of a module */
77        return I18N::translate('Recent changes');
78    }
79
80    /**
81     * A sentence describing what this module does.
82     *
83     * @return string
84     */
85    public function description(): string
86    {
87        /* I18N: Description of the “Recent changes” module */
88        return I18N::translate('A list of records that have been updated recently.');
89    }
90
91    /** {@inheritdoc} */
92    public function getBlock(Tree $tree, int $block_id, string $context, array $config = []): string
93    {
94        $days      = (int) $this->getBlockSetting($block_id, 'days', self::DEFAULT_DAYS);
95        $infoStyle = $this->getBlockSetting($block_id, 'infoStyle', self::DEFAULT_INFO_STYLE);
96        $sortStyle = $this->getBlockSetting($block_id, 'sortStyle', self::DEFAULT_SORT_STYLE);
97        $show_user = (bool) $this->getBlockSetting($block_id, 'show_user', self::DEFAULT_SHOW_USER);
98
99        extract($config, EXTR_OVERWRITE);
100
101        $rows = $this->getRecentChanges($tree, $days);
102
103        switch ($sortStyle) {
104            case 'name':
105                $rows = $rows->sort(static function (stdClass $x, stdClass $y): int {
106                    return GedcomRecord::nameComparator()($x->record, $y->record);
107                });
108                $order = [[1, 'asc']];
109                break;
110
111            case 'date_asc':
112                $rows = $rows->sort(static function (stdClass $x, stdClass $y): int {
113                    return $x->time <=> $y->time;
114                });
115                $order = [[2, 'asc']];
116                break;
117
118            default:
119            case 'date_desc':
120                $rows = $rows->sort(static function (stdClass $x, stdClass $y): int {
121                    return $y->time <=> $x->time;
122                });
123                $order = [[2, 'asc']];
124                break;
125        }
126
127        if ($rows->isEmpty()) {
128            $content = I18N::plural('There have been no changes within the last %s day.', 'There have been no changes within the last %s days.', $days, I18N::number($days));
129        } elseif ($infoStyle === 'list') {
130            $content = view('modules/recent_changes/changes-list', [
131                'id'         => $block_id,
132                'limit_low'  => self::LIMIT_LOW,
133                'limit_high' => self::LIMIT_HIGH,
134                'rows'       => $rows->values(),
135                'show_user'  => $show_user,
136            ]);
137        } else {
138            $content = view('modules/recent_changes/changes-table', [
139                'limit_low'  => self::LIMIT_LOW,
140                'limit_high' => self::LIMIT_HIGH,
141                'rows'       => $rows,
142                'show_user'  => $show_user,
143                'order'      => $order,
144            ]);
145        }
146
147        if ($context !== self::CONTEXT_EMBED) {
148            return view('modules/block-template', [
149                'block'      => Str::kebab($this->name()),
150                'id'         => $block_id,
151                'config_url' => $this->configUrl($tree, $context, $block_id),
152                'title'      => I18N::plural('Changes in the last %s day', 'Changes in the last %s days', $days, I18N::number($days)),
153                'content'    => $content,
154            ]);
155        }
156
157        return $content;
158    }
159
160    /**
161     * Should this block load asynchronously using AJAX?
162     *
163     * Simple blocks are faster in-line, more complex ones can be loaded later.
164     *
165     * @return bool
166     */
167    public function loadAjax(): bool
168    {
169        return true;
170    }
171
172    /**
173     * Can this block be shown on the user’s home page?
174     *
175     * @return bool
176     */
177    public function isUserBlock(): bool
178    {
179        return true;
180    }
181
182    /**
183     * Can this block be shown on the tree’s home page?
184     *
185     * @return bool
186     */
187    public function isTreeBlock(): bool
188    {
189        return true;
190    }
191
192    /**
193     * Update the configuration for a block.
194     *
195     * @param ServerRequestInterface $request
196     * @param int     $block_id
197     *
198     * @return void
199     */
200    public function saveBlockConfiguration(ServerRequestInterface $request, int $block_id): void
201    {
202        $params = (array) $request->getParsedBody();
203
204        $this->setBlockSetting($block_id, 'days', $params['days']);
205        $this->setBlockSetting($block_id, 'infoStyle', $params['infoStyle']);
206        $this->setBlockSetting($block_id, 'sortStyle', $params['sortStyle']);
207        $this->setBlockSetting($block_id, 'show_user', $params['show_user']);
208    }
209
210    /**
211     * An HTML form to edit block settings
212     *
213     * @param Tree $tree
214     * @param int  $block_id
215     *
216     * @return string
217     */
218    public function editBlockConfiguration(Tree $tree, int $block_id): string
219    {
220        $days      = (int) $this->getBlockSetting($block_id, 'days', self::DEFAULT_DAYS);
221        $infoStyle = $this->getBlockSetting($block_id, 'infoStyle', self::DEFAULT_INFO_STYLE);
222        $sortStyle = $this->getBlockSetting($block_id, 'sortStyle', self::DEFAULT_SORT_STYLE);
223        $show_user = $this->getBlockSetting($block_id, 'show_user', self::DEFAULT_SHOW_USER);
224
225        $info_styles = [
226            /* I18N: An option in a list-box */
227            'list'  => I18N::translate('list'),
228            /* I18N: An option in a list-box */
229            'table' => I18N::translate('table'),
230        ];
231
232        $sort_styles = [
233            /* I18N: An option in a list-box */
234            'name'      => I18N::translate('sort by name'),
235            /* I18N: An option in a list-box */
236            'date_asc'  => I18N::translate('sort by date, oldest first'),
237            /* I18N: An option in a list-box */
238            'date_desc' => I18N::translate('sort by date, newest first'),
239        ];
240
241        return view('modules/recent_changes/config', [
242            'days'        => $days,
243            'infoStyle'   => $infoStyle,
244            'info_styles' => $info_styles,
245            'max_days'    => self::MAX_DAYS,
246            'sortStyle'   => $sortStyle,
247            'sort_styles' => $sort_styles,
248            'show_user'   => $show_user,
249        ]);
250    }
251
252    /**
253     * Find records that have changed since a given julian day
254     *
255     * @param Tree $tree Changes for which tree
256     * @param int  $days Number of days
257     *
258     * @return Collection<stdClass> List of records with changes
259     */
260    private function getRecentChanges(Tree $tree, int $days): Collection
261    {
262        $subquery = DB::table('change')
263            ->where('gedcom_id', '=', $tree->id())
264            ->where('status', '=', 'accepted')
265            ->where('new_gedcom', '<>', '')
266            ->where('change_time', '>', Carbon::now()->subDays($days))
267            ->groupBy(['xref'])
268            ->select(new Expression('MAX(change_id) AS recent_change_id'));
269
270        $query = DB::table('change')
271            ->joinSub($subquery, 'recent', 'recent_change_id', '=', 'change_id')
272            ->select(['change.*']);
273
274        return $query
275            ->get()
276            ->map(function (stdClass $row) use ($tree): stdClass {
277                return (object) [
278                    'record' => GedcomRecord::getInstance($row->xref, $tree, $row->new_gedcom),
279                    'time'   => Carbon::create($row->change_time)->local(),
280                    'user'   => $this->user_service->find($row->user_id),
281                ];
282            })
283            ->filter(static function (stdClass $row): bool {
284                return $row->record instanceof GedcomRecord && $row->record->canShow();
285            });
286    }
287}
288