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30
1<?php
2
3/**
4 * AJAX handler to delete a comment on a record.
5 *
6 * PHP version 8
7 *
8 * Copyright (C) Villanova University 2018-2024.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2,
12 * as published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 *
23 * @category VuFind
24 * @package  AJAX
25 * @author   Demian Katz <demian.katz@villanova.edu>
26 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
27 * @link     https://vufind.org/wiki/development Wiki
28 */
29
30namespace VuFind\AjaxHandler;
31
32use Laminas\Mvc\Controller\Plugin\Params;
33use VuFind\Db\Entity\UserEntityInterface;
34use VuFind\Db\Service\CommentsServiceInterface;
35use VuFind\I18n\Translator\TranslatorAwareInterface;
36
37/**
38 * AJAX handler to delete a comment on a record.
39 *
40 * @category VuFind
41 * @package  AJAX
42 * @author   Demian Katz <demian.katz@villanova.edu>
43 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
44 * @link     https://vufind.org/wiki/development Wiki
45 */
46class DeleteRecordComment extends AbstractBase implements TranslatorAwareInterface
47{
48    use \VuFind\I18n\Translator\TranslatorAwareTrait;
49
50    /**
51     * Constructor
52     *
53     * @param CommentsServiceInterface $commentsService Comments database service
54     * @param ?UserEntityInterface     $user            Logged in user (or null)
55     * @param bool                     $enabled         Are comments enabled?
56     */
57    public function __construct(
58        protected CommentsServiceInterface $commentsService,
59        protected ?UserEntityInterface $user,
60        protected bool $enabled = true
61    ) {
62    }
63
64    /**
65     * Handle a request.
66     *
67     * @param Params $params Parameter helper from controller
68     *
69     * @return array [response data, HTTP status code]
70     */
71    public function handleRequest(Params $params)
72    {
73        // Make sure comments are enabled:
74        if (!$this->enabled) {
75            return $this->formatResponse(
76                $this->translate('Comments disabled'),
77                self::STATUS_HTTP_FORBIDDEN
78            );
79        }
80
81        if (!$this->user) {
82            return $this->formatResponse(
83                $this->translate('You must be logged in first'),
84                self::STATUS_HTTP_NEED_AUTH
85            );
86        }
87
88        $id = $params->fromQuery('id');
89        if (empty($id)) {
90            return $this->formatResponse(
91                $this->translate('bulk_error_missing'),
92                self::STATUS_HTTP_BAD_REQUEST
93            );
94        }
95
96        if (!$this->commentsService->deleteIfOwnedByUser($id, $this->user)) {
97            return $this->formatResponse(
98                $this->translate('edit_list_fail'),
99                self::STATUS_HTTP_FORBIDDEN
100            );
101        }
102
103        return $this->formatResponse('');
104    }
105}