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<?php
/**
*
*
* Created on July 7, 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
*/
/**
* @ingroup API
*/
class ApiQueryExtLinksUsage extends ApiQueryGeneratorBase {
public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'eu' );
}
public function execute() {
$this->run();
}
public function getCacheMode( $params ) {
return 'public';
}
public function executeGenerator( $resultPageSet ) {
$this->run( $resultPageSet );
}
/**
* @param ApiPageSet $resultPageSet
* @return void
*/
private function run( $resultPageSet = null ) {
$params = $this->extractRequestParams();
$query = $params['query'];
$protocol = self::getProtocolPrefix( $params['protocol'] );
$this->addTables( array( 'page', 'externallinks' ) ); // must be in this order for 'USE INDEX'
$this->addOption( 'USE INDEX', 'el_index' );
$this->addWhere( 'page_id=el_from' );
$miser_ns = array();
if ( $this->getConfig()->get( 'MiserMode' ) ) {
$miser_ns = $params['namespace'];
} else {
$this->addWhereFld( 'page_namespace', $params['namespace'] );
}
$whereQuery = $this->prepareUrlQuerySearchString( $query, $protocol );
if ( $whereQuery !== null ) {
$this->addWhere( $whereQuery );
}
$prop = array_flip( $params['prop'] );
$fld_ids = isset( $prop['ids'] );
$fld_title = isset( $prop['title'] );
$fld_url = isset( $prop['url'] );
if ( is_null( $resultPageSet ) ) {
$this->addFields( array(
'page_id',
'page_namespace',
'page_title'
) );
$this->addFieldsIf( 'el_to', $fld_url );
} else {
$this->addFields( $resultPageSet->getPageTableFields() );
}
$limit = $params['limit'];
$offset = $params['offset'];
$this->addOption( 'LIMIT', $limit + 1 );
if ( isset( $offset ) ) {
$this->addOption( 'OFFSET', $offset );
}
$res = $this->select( __METHOD__ );
$result = $this->getResult();
$count = 0;
foreach ( $res as $row ) {
if ( ++$count > $limit ) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
$this->setContinueEnumParameter( 'offset', $offset + $limit );
break;
}
if ( count( $miser_ns ) && !in_array( $row->page_namespace, $miser_ns ) ) {
continue;
}
if ( is_null( $resultPageSet ) ) {
$vals = array(
ApiResult::META_TYPE => 'assoc',
);
if ( $fld_ids ) {
$vals['pageid'] = intval( $row->page_id );
}
if ( $fld_title ) {
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
ApiQueryBase::addTitleInfo( $vals, $title );
}
if ( $fld_url ) {
$to = $row->el_to;
// expand protocol-relative urls
if ( $params['expandurl'] ) {
$to = wfExpandUrl( $to, PROTO_CANONICAL );
}
$vals['url'] = $to;
}
$fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $vals );
if ( !$fit ) {
$this->setContinueEnumParameter( 'offset', $offset + $count - 1 );
break;
}
} else {
$resultPageSet->processDbRow( $row );
}
}
if ( is_null( $resultPageSet ) ) {
$result->addIndexedTagName( array( 'query', $this->getModuleName() ),
$this->getModulePrefix() );
}
}
public function getAllowedParams() {
$ret = array(
'prop' => array(
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_DFLT => 'ids|title|url',
ApiBase::PARAM_TYPE => array(
'ids',
'title',
'url'
),
ApiBase::PARAM_HELP_MSG_PER_VALUE => array(),
),
'offset' => array(
ApiBase::PARAM_TYPE => 'integer',
ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
),
'protocol' => array(
ApiBase::PARAM_TYPE => self::prepareProtocols(),
ApiBase::PARAM_DFLT => '',
),
'query' => null,
'namespace' => array(
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => 'namespace'
),
'limit' => array(
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
),
'expandurl' => false,
);
if ( $this->getConfig()->get( 'MiserMode' ) ) {
$ret['namespace'][ApiBase::PARAM_HELP_MSG_APPEND] = array(
'api-help-param-limited-in-miser-mode',
);
}
return $ret;
}
public static function prepareProtocols() {
global $wgUrlProtocols;
$protocols = array( '' );
foreach ( $wgUrlProtocols as $p ) {
if ( $p !== '//' ) {
$protocols[] = substr( $p, 0, strpos( $p, ':' ) );
}
}
return $protocols;
}
public static function getProtocolPrefix( $protocol ) {
// Find the right prefix
global $wgUrlProtocols;
if ( $protocol && !in_array( $protocol, $wgUrlProtocols ) ) {
foreach ( $wgUrlProtocols as $p ) {
if ( substr( $p, 0, strlen( $protocol ) ) === $protocol ) {
$protocol = $p;
break;
}
}
return $protocol;
} else {
return null;
}
}
protected function getExamplesMessages() {
return array(
'action=query&list=exturlusage&euquery=www.mediawiki.org'
=> 'apihelp-query+exturlusage-example-simple',
);
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Exturlusage';
}
}
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