4 * Created on December 12, 2007
6 * API for MediaWiki 1.8+
8 * Copyright © 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 * Query module to enumerate all categories, even the ones that don't have
37 class ApiQueryAllCategories
extends ApiQueryGeneratorBase
{
39 public function __construct( $query, $moduleName ) {
40 parent
::__construct( $query, $moduleName, 'ac' );
43 public function execute() {
47 public function getCacheMode( $params ) {
51 public function executeGenerator( $resultPageSet ) {
52 $this->run( $resultPageSet );
55 private function run( $resultPageSet = null ) {
57 $params = $this->extractRequestParams();
59 $this->addTables( 'category' );
60 $this->addFields( 'cat_title' );
62 $dir = ( $params['dir'] == 'descending' ?
'older' : 'newer' );
63 $from = ( is_null( $params['from'] ) ?
null : $this->titlePartToKey( $params['from'] ) );
64 $this->addWhereRange( 'cat_title', $dir, $from, null );
65 if ( isset( $params['prefix'] ) ) {
66 $this->addWhere( 'cat_title' . $db->buildLike( $this->titlePartToKey( $params['prefix'] ), $db->anyString() ) );
69 $this->addOption( 'LIMIT', $params['limit'] +
1 );
70 $this->addOption( 'ORDER BY', 'cat_title' . ( $params['dir'] == 'descending' ?
' DESC' : '' ) );
72 $prop = array_flip( $params['prop'] );
73 $this->addFieldsIf( array( 'cat_pages', 'cat_subcats', 'cat_files' ), isset( $prop['size'] ) );
74 if ( isset( $prop['hidden'] ) ) {
75 $this->addTables( array( 'page', 'page_props' ) );
76 $this->addJoinConds( array(
77 'page' => array( 'LEFT JOIN', array(
78 'page_namespace' => NS_CATEGORY
,
79 'page_title=cat_title' ) ),
80 'page_props' => array( 'LEFT JOIN', array(
82 'pp_propname' => 'hiddencat' ) ),
84 $this->addFields( 'pp_propname AS cat_hidden' );
87 $res = $this->select( __METHOD__
);
91 $result = $this->getResult();
93 foreach ( $res as $row ) {
94 if ( ++
$count > $params['limit'] ) {
95 // We've reached the one extra which shows that there are additional cats to be had. Stop here...
96 // TODO: Security issue - if the user has no right to view next title, it will still be shown
97 $this->setContinueEnumParameter( 'from', $this->keyToTitle( $row->cat_title
) );
102 $titleObj = Title
::makeTitle( NS_CATEGORY
, $row->cat_title
);
103 if ( !is_null( $resultPageSet ) ) {
104 $pages[] = $titleObj->getPrefixedText();
107 $result->setContent( $item, $titleObj->getText() );
108 if ( isset( $prop['size'] ) ) {
109 $item['size'] = intval( $row->cat_pages
);
110 $item['pages'] = $row->cat_pages
- $row->cat_subcats
- $row->cat_files
;
111 $item['files'] = intval( $row->cat_files
);
112 $item['subcats'] = intval( $row->cat_subcats
);
114 if ( isset( $prop['hidden'] ) && $row->cat_hidden
) {
115 $item['hidden'] = '';
117 $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $item );
119 $this->setContinueEnumParameter( 'from', $this->keyToTitle( $row->cat_title
) );
125 if ( is_null( $resultPageSet ) ) {
126 $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'c' );
128 $resultPageSet->populateFromTitles( $pages );
132 public function getAllowedParams() {
137 ApiBase
::PARAM_DFLT
=> 'ascending',
138 ApiBase
::PARAM_TYPE
=> array(
144 ApiBase
::PARAM_DFLT
=> 10,
145 ApiBase
::PARAM_TYPE
=> 'limit',
146 ApiBase
::PARAM_MIN
=> 1,
147 ApiBase
::PARAM_MAX
=> ApiBase
::LIMIT_BIG1
,
148 ApiBase
::PARAM_MAX2
=> ApiBase
::LIMIT_BIG2
151 ApiBase
::PARAM_TYPE
=> array( 'size', 'hidden' ),
152 ApiBase
::PARAM_DFLT
=> '',
153 ApiBase
::PARAM_ISMULTI
=> true
158 public function getParamDescription() {
160 'from' => 'The category to start enumerating from',
161 'prefix' => 'Search for all category titles that begin with this value',
162 'dir' => 'Direction to sort in',
163 'limit' => 'How many categories to return',
165 'Which properties to get',
166 ' size - Adds number of pages in the category',
167 ' hidden - Tags categories that are hidden with __HIDDENCAT__',
172 public function getDescription() {
173 return 'Enumerate all categories';
176 protected function getExamples() {
178 'api.php?action=query&list=allcategories&acprop=size',
179 'api.php?action=query&generator=allcategories&gacprefix=List&prop=info',
183 public function getVersion() {
184 return __CLASS__
. ': $Id$';