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1<?php
2/**
3 * Performs the unwatch actions on a page
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
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 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
18 *
19 * @file
20 * @ingroup Actions
21 */
22
23use MediaWiki\Context\IContextSource;
24use MediaWiki\Watchlist\WatchlistManager;
25
26/**
27 * Page removal from a user's watchlist
28 *
29 * @ingroup Actions
30 */
31class UnwatchAction extends WatchAction {
32
33    private WatchlistManager $watchlistManager;
34
35    /**
36     * @param Article $article
37     * @param IContextSource $context
38     * @param WatchlistManager $watchlistManager
39     * @param WatchedItemStore $watchedItemStore
40     */
41    public function __construct(
42        Article $article,
43        IContextSource $context,
44        WatchlistManager $watchlistManager,
45        WatchedItemStore $watchedItemStore
46    ) {
47        parent::__construct( $article, $context, $watchlistManager, $watchedItemStore );
48        $this->watchlistManager = $watchlistManager;
49    }
50
51    public function getName() {
52        return 'unwatch';
53    }
54
55    public function onSubmit( $data ) {
56        $this->watchlistManager->removeWatch(
57            $this->getAuthority(),
58            $this->getTitle()
59        );
60
61        return true;
62    }
63
64    protected function getFormFields() {
65        return [
66            'intro' => [
67                'type' => 'info',
68                'raw' => true,
69                'default' => $this->msg( 'confirm-unwatch-top' )->parse()
70            ]
71        ];
72    }
73
74    protected function alterForm( HTMLForm $form ) {
75        parent::alterForm( $form );
76        $form->setWrapperLegendMsg( 'removewatch' );
77        $form->setSubmitTextMsg( 'confirm-unwatch-button' );
78    }
79
80    public function onSuccess() {
81        $msgKey = $this->getTitle()->isTalkPage() ? 'removedwatchtext-talk' : 'removedwatchtext';
82        $this->getOutput()->addWikiMsg( $msgKey, $this->getTitle()->getPrefixedText() );
83    }
84
85    public function doesWrites() {
86        return true;
87    }
88}