API: Make output containing private or user-specific data uncacheable for logged...
[lhc/web/wiklou.git] / includes / api / ApiWatch.php
1 <?php
2
3 /**
4 * Created on Jan 4, 2008
5 *
6 * API for MediaWiki 1.8+
7 *
8 * Copyright © 2008 Yuri Astrakhan <Firstname><Lastname>@gmail.com,
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 as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 * http://www.gnu.org/copyleft/gpl.html
24 */
25
26 if ( !defined( 'MEDIAWIKI' ) ) {
27 // Eclipse helper - will be ignored in production
28 require_once( 'ApiBase.php' );
29 }
30
31 /**
32 * API module to allow users to watch a page
33 *
34 * @ingroup API
35 */
36 class ApiWatch extends ApiBase {
37
38 public function __construct( $main, $action ) {
39 parent::__construct( $main, $action );
40 }
41
42 public function execute() {
43 global $wgUser;
44 $this->getMain()->setCachePrivate();
45 if ( !$wgUser->isLoggedIn() ) {
46 $this->dieUsage( 'You must be logged-in to have a watchlist', 'notloggedin' );
47 }
48
49 $params = $this->extractRequestParams();
50 $title = Title::newFromText( $params['title'] );
51
52 if ( !$title ) {
53 $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
54 }
55
56 $article = new Article( $title );
57 $res = array( 'title' => $title->getPrefixedText() );
58
59 if ( $params['unwatch'] ) {
60 $res['unwatched'] = '';
61 $res['message'] = wfMsgExt( 'removedwatchtext', array( 'parse' ), $title->getPrefixedText() );
62 $success = $article->doUnwatch();
63 } else {
64 $res['watched'] = '';
65 $res['message'] = wfMsgExt( 'addedwatchtext', array( 'parse' ), $title->getPrefixedText() );
66 $success = $article->doWatch();
67 }
68 if ( !$success ) {
69 $this->dieUsageMsg( array( 'hookaborted' ) );
70 }
71 $this->getResult()->addValue( null, $this->getModuleName(), $res );
72 }
73
74 public function isWriteMode() {
75 return true;
76 }
77
78 public function getAllowedParams() {
79 return array(
80 'title' => null,
81 'unwatch' => false,
82 );
83 }
84
85 public function getParamDescription() {
86 return array(
87 'title' => 'The page to (un)watch',
88 'unwatch' => 'If set the page will be unwatched rather than watched',
89 );
90 }
91
92 public function getDescription() {
93 return 'Add or remove a page from/to the current user\'s watchlist';
94 }
95
96 public function getPossibleErrors() {
97 return array_merge( parent::getPossibleErrors(), array(
98 array( 'code' => 'notloggedin', 'info' => 'You must be logged-in to have a watchlist' ),
99 array( 'invalidtitle', 'title' ),
100 array( 'hookaborted' ),
101 ) );
102 }
103
104 protected function getExamples() {
105 return array(
106 'api.php?action=watch&title=Main_Page',
107 'api.php?action=watch&title=Main_Page&unwatch',
108 );
109 }
110
111 public function getVersion() {
112 return __CLASS__ . ': $Id$';
113 }
114 }