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<?php
/**
*
*
* Created on May 13, 2007
*
* Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* This query adds the "<categories>" subelement to all pages with the list of
* categories the page is in.
*
* @ingroup API
*/
class ApiQueryCategoryInfo extends ApiQueryBase {
public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'ci' );
}
public function execute() {
$params = $this->extractRequestParams();
$alltitles = $this->getPageSet()->getAllTitlesByNamespace();
if ( empty( $alltitles[NS_CATEGORY] ) ) {
return;
}
$categories = $alltitles[NS_CATEGORY];
$titles = $this->getPageSet()->getGoodTitles() +
$this->getPageSet()->getMissingTitles();
$cattitles = array();
foreach ( $categories as $c ) {
/** @var $t Title */
$t = $titles[$c];
$cattitles[$c] = $t->getDBkey();
}
$this->addTables( array( 'category', 'page', 'page_props' ) );
$this->addJoinConds( array(
'page' => array( 'LEFT JOIN', array(
'page_namespace' => NS_CATEGORY,
'page_title=cat_title' ) ),
'page_props' => array( 'LEFT JOIN', array(
'pp_page=page_id',
'pp_propname' => 'hiddencat' ) ),
) );
$this->addFields( array(
'cat_title',
'cat_pages',
'cat_subcats',
'cat_files',
'cat_hidden' => 'pp_propname'
) );
$this->addWhere( array( 'cat_title' => $cattitles ) );
if ( !is_null( $params['continue'] ) ) {
$title = $this->getDB()->addQuotes( $params['continue'] );
$this->addWhere( "cat_title >= $title" );
}
$this->addOption( 'ORDER BY', 'cat_title' );
$res = $this->select( __METHOD__ );
$catids = array_flip( $cattitles );
foreach ( $res as $row ) {
$vals = array();
$vals['size'] = intval( $row->cat_pages );
$vals['pages'] = $row->cat_pages - $row->cat_subcats - $row->cat_files;
$vals['files'] = intval( $row->cat_files );
$vals['subcats'] = intval( $row->cat_subcats );
if ( $row->cat_hidden ) {
$vals['hidden'] = '';
}
$fit = $this->addPageSubItems( $catids[$row->cat_title], $vals );
if ( !$fit ) {
$this->setContinueEnumParameter( 'continue', $row->cat_title );
break;
}
}
}
public function getCacheMode( $params ) {
return 'public';
}
public function getAllowedParams() {
return array(
'continue' => null,
);
}
public function getParamDescription() {
return array(
'continue' => 'When more results are available, use this to continue',
);
}
public function getDescription() {
return 'Returns information about the given categories.';
}
public function getExamples() {
return 'api.php?action=query&prop=categoryinfo&titles=Category:Foo|Category:Bar';
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Properties#categoryinfo_.2F_ci';
}
}
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