4 * Created on Oct 19, 2006
6 * API for MediaWiki 1.8+
8 * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
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.
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.
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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 * http://www.gnu.org/copyleft/gpl.html
26 if (!defined('MEDIAWIKI')) {
27 // Eclipse helper - will be ignored in production
28 require_once ('ApiQueryBase.php');
32 * A query action to enumerate the recent changes that were done to the wiki.
33 * Various filters are supported.
37 class ApiQueryRecentChanges
extends ApiQueryBase
{
39 public function __construct($query, $moduleName) {
40 parent
:: __construct($query, $moduleName, 'rc');
43 private $fld_comment = false, $fld_user = false, $fld_flags = false,
44 $fld_timestamp = false, $fld_title = false, $fld_ids = false,
47 public function execute() {
48 $limit = $prop = $namespace = $show = $dir = $start = $end = null;
49 extract($this->extractRequestParams());
51 $this->addTables('recentchanges');
52 $this->addWhereRange('rc_timestamp', $dir, $start, $end);
53 $this->addWhereFld('rc_namespace', $namespace);
54 $this->addWhereFld('rc_deleted', 0);
56 if (!is_null($show)) {
57 $show = array_flip($show);
58 if ((isset ($show['minor']) && isset ($show['!minor'])) ||
(isset ($show['bot']) && isset ($show['!bot'])) ||
(isset ($show['anon']) && isset ($show['!anon'])))
59 $this->dieUsage("Incorrect parameter - mutually exclusive values may not be supplied", 'show');
61 $this->addWhereIf('rc_minor = 0', isset ($show['!minor']));
62 $this->addWhereIf('rc_minor != 0', isset ($show['minor']));
63 $this->addWhereIf('rc_bot = 0', isset ($show['!bot']));
64 $this->addWhereIf('rc_bot != 0', isset ($show['bot']));
65 $this->addWhereIf('rc_user = 0', isset ($show['anon']));
66 $this->addWhereIf('rc_user != 0', isset ($show['!anon']));
69 $this->addFields(array (
78 if (!is_null($prop)) {
79 $prop = array_flip($prop);
81 $this->fld_comment
= isset ($prop['comment']);
82 $this->fld_user
= isset ($prop['user']);
83 $this->fld_flags
= isset ($prop['flags']);
84 $this->fld_timestamp
= isset ($prop['timestamp']);
85 $this->fld_title
= isset ($prop['title']);
86 $this->fld_ids
= isset ($prop['ids']);
87 $this->fld_sizes
= isset ($prop['sizes']);
89 $this->addFieldsIf('rc_cur_id', $this->fld_ids
);
90 $this->addFieldsIf('rc_this_oldid', $this->fld_ids
);
91 $this->addFieldsIf('rc_last_oldid', $this->fld_ids
);
92 $this->addFieldsIf('rc_comment', $this->fld_comment
);
93 $this->addFieldsIf('rc_user', $this->fld_user
);
94 $this->addFieldsIf('rc_user_text', $this->fld_user
);
95 $this->addFieldsIf('rc_minor', $this->fld_flags
);
96 $this->addFieldsIf('rc_bot', $this->fld_flags
);
97 $this->addFieldsIf('rc_new', $this->fld_flags
);
98 $this->addFieldsIf('rc_old_len', $this->fld_sizes
);
99 $this->addFieldsIf('rc_new_len', $this->fld_sizes
);
102 $this->addOption('LIMIT', $limit +
1);
103 $this->addOption('USE INDEX', 'rc_timestamp');
107 $db = $this->getDB();
108 $res = $this->select(__METHOD__
);
110 while ($row = $db->fetchObject($res)) {
111 if (++
$count > $limit) {
112 // We've reached the one extra which shows that there are additional pages to be had. Stop here...
113 $this->setContinueEnumParameter('start', $row->rc_timestamp
);
117 $vals = $this->extractRowInfo($row);
121 $db->freeResult($res);
123 $result = $this->getResult();
124 $result->setIndexedTagName($data, 'rc');
125 $result->addValue('query', $this->getModuleName(), $data);
129 * Security overview: As implemented, any change to a restricted page (userCanRead() == false)
130 * is hidden from the client, except when a page is being moved to a non-restricted name,
131 * or when a non-restricted becomes restricted. When shown, all other fields are shown as well.
133 private function extractRowInfo($row) {
134 $title = Title
:: makeTitle($row->rc_namespace
, $row->rc_title
);
135 $movedToTitle = false;
136 if (!empty($row->rc_moved_to_title
))
137 $movedToTitle = Title
:: makeTitle($row->rc_moved_to_ns
, $row->rc_moved_to_title
);
139 // If either this is an edit of a restricted page,
140 // or a move where both to and from names are restricted, skip
141 if (!$title->userCanRead() && (!$movedToTitle ||
142 ($movedToTitle && !$movedToTitle->userCanRead())))
147 $vals['type'] = intval($row->rc_type
);
149 if ($this->fld_title
) {
150 ApiQueryBase
:: addTitleInfo($vals, $title);
152 ApiQueryBase
:: addTitleInfo($vals, $movedToTitle, false, "new_");
155 if ($this->fld_ids
) {
156 $vals['pageid'] = intval($row->rc_cur_id
);
157 $vals['revid'] = intval($row->rc_this_oldid
);
158 $vals['old_revid'] = intval( $row->rc_last_oldid
);
161 if ($this->fld_user
) {
162 $vals['user'] = $row->rc_user_text
;
167 if ($this->fld_flags
) {
176 if ($this->fld_sizes
) {
177 $vals['oldlen'] = intval($row->rc_old_len
);
178 $vals['newlen'] = intval($row->rc_new_len
);
181 if ($this->fld_timestamp
)
182 $vals['timestamp'] = wfTimestamp(TS_ISO_8601
, $row->rc_timestamp
);
184 if ($this->fld_comment
&& !empty ($row->rc_comment
)) {
185 $vals['comment'] = $row->rc_comment
;
191 protected function getAllowedParams() {
194 ApiBase
:: PARAM_TYPE
=> 'timestamp'
197 ApiBase
:: PARAM_TYPE
=> 'timestamp'
200 ApiBase
:: PARAM_DFLT
=> 'older',
201 ApiBase
:: PARAM_TYPE
=> array (
206 'namespace' => array (
207 ApiBase
:: PARAM_ISMULTI
=> true,
208 ApiBase
:: PARAM_TYPE
=> 'namespace'
211 ApiBase
:: PARAM_ISMULTI
=> true,
212 ApiBase
:: PARAM_DFLT
=> 'title|timestamp|ids',
213 ApiBase
:: PARAM_TYPE
=> array (
224 ApiBase
:: PARAM_ISMULTI
=> true,
225 ApiBase
:: PARAM_TYPE
=> array (
235 ApiBase
:: PARAM_DFLT
=> 10,
236 ApiBase
:: PARAM_TYPE
=> 'limit',
237 ApiBase
:: PARAM_MIN
=> 1,
238 ApiBase
:: PARAM_MAX
=> ApiBase
:: LIMIT_BIG1
,
239 ApiBase
:: PARAM_MAX2
=> ApiBase
:: LIMIT_BIG2
244 protected function getParamDescription() {
246 'start' => 'The timestamp to start enumerating from.',
247 'end' => 'The timestamp to end enumerating.',
248 'dir' => 'In which direction to enumerate.',
249 'namespace' => 'Filter log entries to only this namespace(s)',
250 'prop' => 'Include additional pieces of information',
252 'Show only items that meet this criteria.',
253 'For example, to see only minor edits done by logged-in users, set show=minor|!anon'
255 'limit' => 'How many total pages to return.'
259 protected function getDescription() {
260 return 'Enumerate recent changes';
263 protected function getExamples() {
265 'api.php?action=query&list=recentchanges'
269 public function getVersion() {
270 return __CLASS__
. ': $Id$';