xref: /webtrees/app/Http/RequestHandlers/PendingChanges.php (revision c344974e96e2ea1576815a443b99a00ffc322086) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2020 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\Webtrees\Http\ViewResponseTrait;
23use Fisharebest\Webtrees\I18N;
24use Fisharebest\Webtrees\Services\PendingChangesService;
25use Fisharebest\Webtrees\Tree;
26use Psr\Http\Message\ResponseInterface;
27use Psr\Http\Message\ServerRequestInterface;
28use Psr\Http\Server\RequestHandlerInterface;
29
30use function assert;
31use function route;
32
33/**
34 * Show all pending changes.
35 */
36class PendingChanges implements RequestHandlerInterface
37{
38    use ViewResponseTrait;
39
40    // Some servers may not have enough resources to show all the changes.
41    private const MAX_CHANGES = 1000;
42
43    /** @var PendingChangesService */
44    private $pending_changes_service;
45
46    /**
47     * PendingChanges constructor.
48     *
49     * @param PendingChangesService $pending_changes_service
50     */
51    public function __construct(PendingChangesService $pending_changes_service)
52    {
53        $this->pending_changes_service = $pending_changes_service;
54    }
55
56    /**
57     * @param ServerRequestInterface $request
58     *
59     * @return ResponseInterface
60     */
61    public function handle(ServerRequestInterface $request): ResponseInterface
62    {
63        $tree = $request->getAttribute('tree');
64        assert($tree instanceof Tree);
65
66        $n = (int) ($request->getQueryParams()['n'] ?? self::MAX_CHANGES);
67
68        $url     = $request->getQueryParams()['url'] ?? route(TreePage::class, ['tree' => $tree->name()]);
69        $xrefs   = $this->pending_changes_service->pendingXrefs($tree);
70        $changes = $this->pending_changes_service->pendingChanges($tree, $n);
71        $title   = I18N::translate('Pending changes');
72
73        return $this->viewResponse('pending-changes-page', [
74            'changes' => $changes,
75            'count'   => $xrefs->count(),
76            'title'   => $title,
77            'tree'    => $tree,
78            'url'     => $url,
79        ]);
80    }
81}
82