<?php
/**
- * API for MediaWiki 1.8+
+ *
*
* Created on May 13, 2007
*
- * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * 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
* @file
*/
-if ( !defined( 'MEDIAWIKI' ) ) {
- // Eclipse helper - will be ignored in production
- require_once( "ApiQueryBase.php" );
-}
-
/**
* A query module to enumerate categories the set of pages belong to.
*
*/
class ApiQueryCategories extends ApiQueryGeneratorBase {
- public function __construct( $query, $moduleName ) {
+ public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'cl' );
}
$this->run( $resultPageSet );
}
+ /**
+ * @param ApiPageSet $resultPageSet
+ */
private function run( $resultPageSet = null ) {
if ( $this->getPageSet()->getGoodTitleCount() == 0 ) {
- return; // nothing to do
+ return; // nothing to do
}
$params = $this->extractRequestParams();
$prop = array_flip( (array)$params['prop'] );
$show = array_flip( (array)$params['show'] );
- $this->addFields( array(
+ $this->addFields( [
'cl_from',
'cl_to'
- ) );
+ ] );
- $this->addFieldsIf( array( 'cl_sortkey', 'cl_sortkey_prefix' ), isset( $prop['sortkey'] ) );
+ $this->addFieldsIf( [ 'cl_sortkey', 'cl_sortkey_prefix' ], isset( $prop['sortkey'] ) );
$this->addFieldsIf( 'cl_timestamp', isset( $prop['timestamp'] ) );
$this->addTables( 'categorylinks' );
$this->addWhereFld( 'cl_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
if ( !is_null( $params['categories'] ) ) {
- $cats = array();
+ $cats = [];
foreach ( $params['categories'] as $cat ) {
$title = Title::newFromText( $cat );
if ( !$title || $title->getNamespace() != NS_CATEGORY ) {
- $this->setWarning( "``$cat'' is not a category" );
+ $this->addWarning( [ 'apiwarn-invalidcategory', wfEscapeWikiText( $cat ) ] );
} else {
$cats[] = $title->getDBkey();
}
if ( !is_null( $params['continue'] ) ) {
$cont = explode( '|', $params['continue'] );
- if ( count( $cont ) != 2 ) {
- $this->dieUsage( "Invalid continue param. You should pass the " .
- "original value returned by the previous query", "_badcontinue" );
- }
+ $this->dieContinueUsageIf( count( $cont ) != 2 );
+ $op = $params['dir'] == 'descending' ? '<' : '>';
$clfrom = intval( $cont[0] );
- $clto = $this->getDB()->strencode( $this->titleToKey( $cont[1] ) );
+ $clto = $this->getDB()->addQuotes( $cont[1] );
$this->addWhere(
- "cl_from > $clfrom OR " .
+ "cl_from $op $clfrom OR " .
"(cl_from = $clfrom AND " .
- "cl_to >= '$clto')"
+ "cl_to $op= $clto)"
);
}
if ( isset( $show['hidden'] ) && isset( $show['!hidden'] ) ) {
- $this->dieUsageMsg( array( 'show' ) );
+ $this->dieWithError( 'apierror-show' );
}
- if ( isset( $show['hidden'] ) || isset( $show['!hidden'] ) || isset( $prop['hidden'] ) )
- {
+ if ( isset( $show['hidden'] ) || isset( $show['!hidden'] ) || isset( $prop['hidden'] ) ) {
$this->addOption( 'STRAIGHT_JOIN' );
- $this->addTables( array( 'page', 'page_props' ) );
+ $this->addTables( [ 'page', 'page_props' ] );
$this->addFieldsIf( 'pp_propname', isset( $prop['hidden'] ) );
- $this->addJoinConds( array(
- 'page' => array( 'LEFT JOIN', array(
+ $this->addJoinConds( [
+ 'page' => [ 'LEFT JOIN', [
'page_namespace' => NS_CATEGORY,
- 'page_title = cl_to' ) ),
- 'page_props' => array( 'LEFT JOIN', array(
+ 'page_title = cl_to' ] ],
+ 'page_props' => [ 'LEFT JOIN', [
'pp_page=page_id',
- 'pp_propname' => 'hiddencat' ) )
- ) );
+ 'pp_propname' => 'hiddencat' ] ]
+ ] );
if ( isset( $show['hidden'] ) ) {
- $this->addWhere( array( 'pp_propname IS NOT NULL' ) );
+ $this->addWhere( [ 'pp_propname IS NOT NULL' ] );
} elseif ( isset( $show['!hidden'] ) ) {
- $this->addWhere( array( 'pp_propname IS NULL' ) );
+ $this->addWhere( [ 'pp_propname IS NULL' ] );
}
}
- $this->addOption( 'USE INDEX', array( 'categorylinks' => 'cl_from' ) );
+ $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' );
// Don't order by cl_from if it's constant in the WHERE clause
if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
- $this->addOption( 'ORDER BY', 'cl_to' );
+ $this->addOption( 'ORDER BY', 'cl_to' . $sort );
} else {
- $this->addOption( 'ORDER BY', "cl_from, cl_to" );
+ $this->addOption( 'ORDER BY', [
+ 'cl_from' . $sort,
+ 'cl_to' . $sort
+ ] );
}
$res = $this->select( __METHOD__ );
if ( ++$count > $params['limit'] ) {
// We've reached the one extra which shows that
// there are additional pages to be had. Stop here...
- $this->setContinueEnumParameter( 'continue', $row->cl_from .
- '|' . $this->keyToTitle( $row->cl_to ) );
+ $this->setContinueEnumParameter( 'continue', $row->cl_from . '|' . $row->cl_to );
break;
}
$title = Title::makeTitle( NS_CATEGORY, $row->cl_to );
- $vals = array();
+ $vals = [];
ApiQueryBase::addTitleInfo( $vals, $title );
if ( isset( $prop['sortkey'] ) ) {
$vals['sortkey'] = bin2hex( $row->cl_sortkey );
if ( isset( $prop['timestamp'] ) ) {
$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->cl_timestamp );
}
- if ( isset( $prop['hidden'] ) && !is_null( $row->pp_propname ) ) {
- $vals['hidden'] = '';
+ if ( isset( $prop['hidden'] ) ) {
+ $vals['hidden'] = !is_null( $row->pp_propname );
}
$fit = $this->addPageSubItem( $row->cl_from, $vals );
if ( !$fit ) {
- $this->setContinueEnumParameter( 'continue', $row->cl_from .
- '|' . $this->keyToTitle( $row->cl_to ) );
+ $this->setContinueEnumParameter( 'continue', $row->cl_from . '|' . $row->cl_to );
break;
}
}
} else {
- $titles = array();
+ $titles = [];
foreach ( $res as $row ) {
if ( ++$count > $params['limit'] ) {
// We've reached the one extra which shows that
// there are additional pages to be had. Stop here...
- $this->setContinueEnumParameter( 'continue', $row->cl_from .
- '|' . $this->keyToTitle( $row->cl_to ) );
+ $this->setContinueEnumParameter( 'continue', $row->cl_from . '|' . $row->cl_to );
break;
}
- $titles[] = Title :: makeTitle( NS_CATEGORY, $row->cl_to );
+ $titles[] = Title::makeTitle( NS_CATEGORY, $row->cl_to );
}
$resultPageSet->populateFromTitles( $titles );
}
}
public function getAllowedParams() {
- return array(
- 'prop' => array(
+ return [
+ 'prop' => [
ApiBase::PARAM_ISMULTI => true,
- ApiBase::PARAM_TYPE => array (
+ ApiBase::PARAM_TYPE => [
'sortkey',
'timestamp',
'hidden',
- )
- ),
- 'show' => array(
+ ],
+ ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+ ],
+ 'show' => [
ApiBase::PARAM_ISMULTI => true,
- ApiBase::PARAM_TYPE => array(
+ ApiBase::PARAM_TYPE => [
'hidden',
'!hidden',
- )
- ),
- 'limit' => array(
+ ]
+ ],
+ 'limit' => [
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
- ),
- 'continue' => null,
- 'categories' => array(
+ ],
+ 'continue' => [
+ ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+ ],
+ 'categories' => [
ApiBase::PARAM_ISMULTI => true,
- ),
- );
- }
-
- public function getParamDescription() {
- return array(
- 'prop' => array(
- 'Which additional properties to get for each category',
- ' sortkey - Adds the sortkey (hexadecimal string) and sortkey prefix (human-readable part) for the category',
- ' timestamp - Adds timestamp of when the category was added',
- ' hidden - Tags categories that are hidden with __HIDDENCAT__',
- ),
- 'limit' => 'How many categories to return',
- 'show' => 'Which kind of categories to show',
- 'continue' => 'When more results are available, use this to continue',
- 'categories' => 'Only list these categories. Useful for checking whether a certain page is in a certain category',
- );
- }
-
- public function getDescription() {
- return 'List all categories the page(s) belong to';
- }
-
- public function getPossibleErrors() {
- return array_merge( parent::getPossibleErrors(), array(
- array( 'show' ),
- ) );
+ ],
+ 'dir' => [
+ ApiBase::PARAM_DFLT => 'ascending',
+ ApiBase::PARAM_TYPE => [
+ 'ascending',
+ 'descending'
+ ]
+ ],
+ ];
}
- protected function getExamples() {
- return array(
- 'Get a list of categories [[Albert Einstein]] belongs to:',
- ' api.php?action=query&prop=categories&titles=Albert%20Einstein',
- 'Get information about all categories used in the [[Albert Einstein]]:',
- ' api.php?action=query&generator=categories&titles=Albert%20Einstein&prop=info'
- );
+ protected function getExamplesMessages() {
+ return [
+ 'action=query&prop=categories&titles=Albert%20Einstein'
+ => 'apihelp-query+categories-example-simple',
+ 'action=query&generator=categories&titles=Albert%20Einstein&prop=info'
+ => 'apihelp-query+categories-example-generator',
+ ];
}
- public function getVersion() {
- return __CLASS__ . ': $Id$';
+ public function getHelpUrls() {
+ return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Categories';
}
}