xref: /webtrees/app/Http/RequestHandlers/PendingChangesLogData.php (revision 22e73debfe88ce217451588465f714b2b8a966ab) 
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\Http\RequestHandlers;
21
22use Fisharebest\Algorithm\MyersDiff;
23use Fisharebest\Webtrees\Carbon;
24use Fisharebest\Webtrees\Gedcom;
25use Fisharebest\Webtrees\GedcomRecord;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Services\DatatablesService;
28use Fisharebest\Webtrees\Services\PendingChangesService;
29use Fisharebest\Webtrees\Services\TreeService;
30use Fisharebest\Webtrees\Tree;
31use InvalidArgumentException;
32use Psr\Http\Message\ResponseInterface;
33use Psr\Http\Message\ServerRequestInterface;
34use Psr\Http\Server\RequestHandlerInterface;
35use stdClass;
36
37use function e;
38use function explode;
39use function implode;
40use function preg_replace_callback;
41
42/**
43 * Find pending changes.
44 */
45class PendingChangesLogData implements RequestHandlerInterface
46{
47    /** @var DatatablesService */
48    private $datatables_service;
49
50    /** @var MyersDiff */
51    private $myers_diff;
52
53    /** @var PendingChangesService */
54    private $pending_changes_service;
55
56    /** @var TreeService */
57    private $tree_service;
58
59    /**
60     * @param DatatablesService     $datatables_service
61     * @param MyersDiff             $myers_diff
62     * @param PendingChangesService $pending_changes_service
63     * @param TreeService           $tree_service
64     */
65    public function __construct(
66        DatatablesService $datatables_service,
67        MyersDiff $myers_diff,
68        PendingChangesService $pending_changes_service,
69        TreeService $tree_service
70    ) {
71        $this->datatables_service      = $datatables_service;
72        $this->myers_diff              = $myers_diff;
73        $this->pending_changes_service = $pending_changes_service;
74        $this->tree_service            = $tree_service;
75    }
76
77    /**
78     * @param ServerRequestInterface $request
79     *
80     * @return ResponseInterface
81     */
82    public function handle(ServerRequestInterface $request): ResponseInterface
83    {
84        $tree = $request->getAttribute('tree');
85        assert($tree instanceof Tree, new InvalidArgumentException());
86
87        $query = $this->pending_changes_service->changesQuery($request);
88
89        $callback = function (stdClass $row) use ($tree): array {
90            $old_lines = explode("\n", $row->old_gedcom);
91            $new_lines = explode("\n", $row->new_gedcom);
92
93            $differences = $this->myers_diff->calculate($old_lines, $new_lines);
94            $diff_lines  = [];
95
96            foreach ($differences as $difference) {
97                switch ($difference[1]) {
98                    case MyersDiff::DELETE:
99                        $diff_lines[] = '<del>' . $difference[0] . '</del>';
100                        break;
101                    case MyersDiff::INSERT:
102                        $diff_lines[] = '<ins>' . $difference[0] . '</ins>';
103                        break;
104                    default:
105                        $diff_lines[] = $difference[0];
106                }
107            }
108
109            // Only convert valid xrefs to links
110            $record = GedcomRecord::getInstance($row->xref, $tree);
111
112            return [
113                $row->change_id,
114                Carbon::make($row->change_time)->local()->format('Y-m-d H:i:s'),
115                I18N::translate($row->status),
116                $record ? '<a href="' . e($record->url()) . '">' . $record->xref() . '</a>' : $row->xref,
117                '<div class="gedcom-data" dir="ltr">' .
118                preg_replace_callback(
119                    '/@(' . Gedcom::REGEX_XREF . ')@/',
120                    static function (array $match) use ($tree): string {
121                        $record = GedcomRecord::getInstance($match[1], $tree);
122
123                        return $record ? '<a href="' . e($record->url()) . '">' . $match[0] . '</a>' : $match[0];
124                    },
125                    implode("\n", $diff_lines)
126                ) .
127                '</div>',
128                $row->user_name,
129                $row->gedcom_name,
130            ];
131        };
132
133        return $this->datatables_service->handle($request, $query, [], [], $callback);
134    }
135}
136