<?php
/**
- * API for MediaWiki 1.8+
+ *
*
* Created on Oct 16, 2006
*
- * 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" );
-}
-
/**
* This is a three-in-one module to query:
* * backlinks - links pointing to the given page,
*/
class ApiQueryBacklinks extends ApiQueryGeneratorBase {
- private $params, $rootTitle, $contID, $redirID, $redirect;
- private $bl_ns, $bl_from, $bl_table, $bl_code, $bl_title, $bl_sort, $bl_fields, $hasNS;
- private $pageMap, $resultArr;
+ /**
+ * @var Title
+ */
+ private $rootTitle;
+
+ private $params, $cont, $redirect;
+ private $bl_ns, $bl_from, $bl_from_ns, $bl_table, $bl_code, $bl_title, $bl_fields, $hasNS;
+
+ /**
+ * Maps ns and title to pageid
+ *
+ * @var array
+ */
+ private $pageMap = [];
+ private $resultArr;
+
+ private $redirTitles = [];
+ private $continueStr = null;
// output element name, database column field prefix, database table
- private $backlinksSettings = array(
- 'backlinks' => array(
+ private $backlinksSettings = [
+ 'backlinks' => [
'code' => 'bl',
'prefix' => 'pl',
- 'linktbl' => 'pagelinks'
- ),
- 'embeddedin' => array(
+ 'linktbl' => 'pagelinks',
+ 'helpurl' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Backlinks',
+ ],
+ 'embeddedin' => [
'code' => 'ei',
'prefix' => 'tl',
- 'linktbl' => 'templatelinks'
- ),
- 'imageusage' => array(
+ 'linktbl' => 'templatelinks',
+ 'helpurl' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Embeddedin',
+ ],
+ 'imageusage' => [
'code' => 'iu',
'prefix' => 'il',
- 'linktbl' => 'imagelinks'
- )
- );
+ 'linktbl' => 'imagelinks',
+ 'helpurl' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Imageusage',
+ ]
+ ];
- public function __construct( $query, $moduleName ) {
+ public function __construct( ApiQuery $query, $moduleName ) {
$settings = $this->backlinksSettings[$moduleName];
$prefix = $settings['prefix'];
$code = $settings['code'];
- $this->resultArr = array();
+ $this->resultArr = [];
parent::__construct( $query, $moduleName, $code );
$this->bl_ns = $prefix . '_namespace';
$this->bl_from = $prefix . '_from';
+ $this->bl_from_ns = $prefix . '_from_namespace';
$this->bl_table = $settings['linktbl'];
$this->bl_code = $code;
+ $this->helpUrl = $settings['helpurl'];
$this->hasNS = $moduleName !== 'imageusage';
if ( $this->hasNS ) {
$this->bl_title = $prefix . '_title';
- $this->bl_sort = "{$this->bl_ns}, {$this->bl_title}, {$this->bl_from}";
- $this->bl_fields = array(
+ $this->bl_fields = [
$this->bl_ns,
$this->bl_title
- );
+ ];
} else {
$this->bl_title = $prefix . '_to';
- $this->bl_sort = "{$this->bl_title}, {$this->bl_from}";
- $this->bl_fields = array(
+ $this->bl_fields = [
$this->bl_title
- );
+ ];
}
}
$this->run( $resultPageSet );
}
- private function prepareFirstQuery( $resultPageSet = null ) {
- /* SELECT page_id, page_title, page_namespace, page_is_redirect
- * FROM pagelinks, page WHERE pl_from=page_id
- * AND pl_title='Foo' AND pl_namespace=0
- * LIMIT 11 ORDER BY pl_from
- */
- $this->addTables( array( $this->bl_table, 'page' ) );
+ /**
+ * @param ApiPageSet $resultPageSet
+ * @return void
+ */
+ private function runFirstQuery( $resultPageSet = null ) {
+ $this->addTables( [ $this->bl_table, 'page' ] );
$this->addWhere( "{$this->bl_from}=page_id" );
if ( is_null( $resultPageSet ) ) {
- $this->addFields( array( 'page_id', 'page_title', 'page_namespace' ) );
+ $this->addFields( [ 'page_id', 'page_title', 'page_namespace' ] );
} else {
$this->addFields( $resultPageSet->getPageTableFields() );
}
+ $this->addFields( [ 'page_is_redirect', 'from_ns' => 'page_namespace' ] );
- $this->addFields( 'page_is_redirect' );
$this->addWhereFld( $this->bl_title, $this->rootTitle->getDBkey() );
-
if ( $this->hasNS ) {
$this->addWhereFld( $this->bl_ns, $this->rootTitle->getNamespace() );
}
- $this->addWhereFld( 'page_namespace', $this->params['namespace'] );
-
- if ( !is_null( $this->contID ) ) {
- $this->addWhere( "{$this->bl_from}>={$this->contID}" );
+ $this->addWhereFld( $this->bl_from_ns, $this->params['namespace'] );
+
+ if ( count( $this->cont ) >= 2 ) {
+ $op = $this->params['dir'] == 'descending' ? '<' : '>';
+ if ( count( $this->params['namespace'] ) > 1 ) {
+ $this->addWhere(
+ "{$this->bl_from_ns} $op {$this->cont[0]} OR " .
+ "({$this->bl_from_ns} = {$this->cont[0]} AND " .
+ "{$this->bl_from} $op= {$this->cont[1]})"
+ );
+ } else {
+ $this->addWhere( "{$this->bl_from} $op= {$this->cont[1]}" );
+ }
}
if ( $this->params['filterredir'] == 'redirects' ) {
$this->addWhereFld( 'page_is_redirect', 1 );
} elseif ( $this->params['filterredir'] == 'nonredirects' && !$this->redirect ) {
- // bug 22245 - Check for !redirect, as filtering nonredirects, when getting what links to them is contradictory
+ // T24245 - Check for !redirect, as filtering nonredirects, when
+ // getting what links to them is contradictory
$this->addWhereFld( 'page_is_redirect', 0 );
}
$this->addOption( 'LIMIT', $this->params['limit'] + 1 );
- $this->addOption( 'ORDER BY', $this->bl_from );
+ $sort = ( $this->params['dir'] == 'descending' ? ' DESC' : '' );
+ $orderBy = [];
+ if ( count( $this->params['namespace'] ) > 1 ) {
+ $orderBy[] = $this->bl_from_ns . $sort;
+ }
+ $orderBy[] = $this->bl_from . $sort;
+ $this->addOption( 'ORDER BY', $orderBy );
$this->addOption( 'STRAIGHT_JOIN' );
+
+ $res = $this->select( __METHOD__ );
+ $count = 0;
+ foreach ( $res as $row ) {
+ if ( ++$count > $this->params['limit'] ) {
+ // We've reached the one extra which shows that there are
+ // additional pages to be had. Stop here...
+ // Continue string may be overridden at a later step
+ $this->continueStr = "{$row->from_ns}|{$row->page_id}";
+ break;
+ }
+
+ // Fill in continuation fields for later steps
+ if ( count( $this->cont ) < 2 ) {
+ $this->cont[] = $row->from_ns;
+ $this->cont[] = $row->page_id;
+ }
+
+ $this->pageMap[$row->page_namespace][$row->page_title] = $row->page_id;
+ $t = Title::makeTitle( $row->page_namespace, $row->page_title );
+ if ( $row->page_is_redirect ) {
+ $this->redirTitles[] = $t;
+ }
+
+ if ( is_null( $resultPageSet ) ) {
+ $a = [ 'pageid' => intval( $row->page_id ) ];
+ ApiQueryBase::addTitleInfo( $a, $t );
+ if ( $row->page_is_redirect ) {
+ $a['redirect'] = true;
+ }
+ // Put all the results in an array first
+ $this->resultArr[$a['pageid']] = $a;
+ } else {
+ $resultPageSet->processDbRow( $row );
+ }
+ }
}
- private function prepareSecondQuery( $resultPageSet = null ) {
- /* SELECT page_id, page_title, page_namespace, page_is_redirect, pl_title, pl_namespace
- FROM pagelinks, page WHERE pl_from=page_id
- AND (pl_title='Foo' AND pl_namespace=0) OR (pl_title='Bar' AND pl_namespace=1)
- ORDER BY pl_namespace, pl_title, pl_from LIMIT 11
- */
+ /**
+ * @param ApiPageSet $resultPageSet
+ * @return void
+ */
+ private function runSecondQuery( $resultPageSet = null ) {
$db = $this->getDB();
- $this->addTables( array( 'page', $this->bl_table ) );
+ $this->addTables( [ 'page', $this->bl_table ] );
$this->addWhere( "{$this->bl_from}=page_id" );
if ( is_null( $resultPageSet ) ) {
- $this->addFields( array( 'page_id', 'page_title', 'page_namespace', 'page_is_redirect' ) );
+ $this->addFields( [ 'page_id', 'page_title', 'page_namespace', 'page_is_redirect' ] );
} else {
$this->addFields( $resultPageSet->getPageTableFields() );
}
- $this->addFields( $this->bl_title );
+ $this->addFields( [ $this->bl_title, 'from_ns' => 'page_namespace' ] );
if ( $this->hasNS ) {
$this->addFields( $this->bl_ns );
}
// We can't use LinkBatch here because $this->hasNS may be false
- $titleWhere = array();
+ $titleWhere = [];
+ $allRedirNs = [];
+ $allRedirDBkey = [];
+ /** @var Title $t */
foreach ( $this->redirTitles as $t ) {
- $titleWhere[] = "{$this->bl_title} = " . $db->addQuotes( $t->getDBkey() ) .
- ( $this->hasNS ? " AND {$this->bl_ns} = '{$t->getNamespace()}'" : '' );
+ $redirNs = $t->getNamespace();
+ $redirDBkey = $t->getDBkey();
+ $titleWhere[] = "{$this->bl_title} = " . $db->addQuotes( $redirDBkey ) .
+ ( $this->hasNS ? " AND {$this->bl_ns} = {$redirNs}" : '' );
+ $allRedirNs[$redirNs] = true;
+ $allRedirDBkey[$redirDBkey] = true;
}
$this->addWhere( $db->makeList( $titleWhere, LIST_OR ) );
$this->addWhereFld( 'page_namespace', $this->params['namespace'] );
- if ( !is_null( $this->redirID ) ) {
- $first = $this->redirTitles[0];
- $title = $db->strencode( $first->getDBkey() );
- $ns = $first->getNamespace();
- $from = $this->redirID;
- if ( $this->hasNS ) {
- $this->addWhere( "{$this->bl_ns} > $ns OR " .
- "({$this->bl_ns} = $ns AND " .
- "({$this->bl_title} > '$title' OR " .
- "({$this->bl_title} = '$title' AND " .
- "{$this->bl_from} >= $from)))" );
- } else {
- $this->addWhere( "{$this->bl_title} > '$title' OR " .
- "({$this->bl_title} = '$title' AND " .
- "{$this->bl_from} >= $from)" );
+ if ( count( $this->cont ) >= 6 ) {
+ $op = $this->params['dir'] == 'descending' ? '<' : '>';
+
+ $where = "{$this->bl_from} $op= {$this->cont[5]}";
+ // Don't bother with namespace, title, or from_namespace if it's
+ // otherwise constant in the where clause.
+ if ( count( $this->params['namespace'] ) > 1 ) {
+ $where = "{$this->bl_from_ns} $op {$this->cont[4]} OR " .
+ "({$this->bl_from_ns} = {$this->cont[4]} AND ($where))";
+ }
+ if ( count( $allRedirDBkey ) > 1 ) {
+ $title = $db->addQuotes( $this->cont[3] );
+ $where = "{$this->bl_title} $op $title OR " .
+ "({$this->bl_title} = $title AND ($where))";
}
+ if ( $this->hasNS && count( $allRedirNs ) > 1 ) {
+ $where = "{$this->bl_ns} $op {$this->cont[2]} OR " .
+ "({$this->bl_ns} = {$this->cont[2]} AND ($where))";
+ }
+
+ $this->addWhere( $where );
}
if ( $this->params['filterredir'] == 'redirects' ) {
$this->addWhereFld( 'page_is_redirect', 1 );
}
$this->addOption( 'LIMIT', $this->params['limit'] + 1 );
- $this->addOption( 'ORDER BY', $this->bl_sort );
- $this->addOption( 'USE INDEX', array( 'page' => 'PRIMARY' ) );
+ $orderBy = [];
+ $sort = ( $this->params['dir'] == 'descending' ? ' DESC' : '' );
+ // Don't order by namespace/title/from_namespace if it's constant in the WHERE clause
+ if ( $this->hasNS && count( $allRedirNs ) > 1 ) {
+ $orderBy[] = $this->bl_ns . $sort;
+ }
+ if ( count( $allRedirDBkey ) > 1 ) {
+ $orderBy[] = $this->bl_title . $sort;
+ }
+ if ( count( $this->params['namespace'] ) > 1 ) {
+ $orderBy[] = $this->bl_from_ns . $sort;
+ }
+ $orderBy[] = $this->bl_from . $sort;
+ $this->addOption( 'ORDER BY', $orderBy );
+ $this->addOption( 'USE INDEX', [ 'page' => 'PRIMARY' ] );
+
+ $res = $this->select( __METHOD__ );
+ $count = 0;
+ foreach ( $res as $row ) {
+ $ns = $this->hasNS ? $row->{$this->bl_ns} : NS_FILE;
+
+ if ( ++$count > $this->params['limit'] ) {
+ // We've reached the one extra which shows that there are
+ // additional pages to be had. Stop here...
+ // Note we must keep the parameters for the first query constant
+ // This may be overridden at a later step
+ $title = $row->{$this->bl_title};
+ $this->continueStr = implode( '|', array_slice( $this->cont, 0, 2 ) ) .
+ "|$ns|$title|{$row->from_ns}|{$row->page_id}";
+ break;
+ }
+
+ // Fill in continuation fields for later steps
+ if ( count( $this->cont ) < 6 ) {
+ $this->cont[] = $ns;
+ $this->cont[] = $row->{$this->bl_title};
+ $this->cont[] = $row->from_ns;
+ $this->cont[] = $row->page_id;
+ }
+
+ if ( is_null( $resultPageSet ) ) {
+ $a['pageid'] = intval( $row->page_id );
+ ApiQueryBase::addTitleInfo( $a, Title::makeTitle( $row->page_namespace, $row->page_title ) );
+ if ( $row->page_is_redirect ) {
+ $a['redirect'] = true;
+ }
+ $parentID = $this->pageMap[$ns][$row->{$this->bl_title}];
+ // Put all the results in an array first
+ $this->resultArr[$parentID]['redirlinks'][$row->page_id] = $a;
+ } else {
+ $resultPageSet->processDbRow( $row );
+ }
+ }
}
+ /**
+ * @param ApiPageSet $resultPageSet
+ * @return void
+ */
private function run( $resultPageSet = null ) {
$this->params = $this->extractRequestParams( false );
$this->redirect = isset( $this->params['redirect'] ) && $this->params['redirect'];
$userMax = ( $this->redirect ? ApiBase::LIMIT_BIG1 / 2 : ApiBase::LIMIT_BIG1 );
- $botMax = ( $this->redirect ? ApiBase::LIMIT_BIG2 / 2 : ApiBase::LIMIT_BIG2 );
+ $botMax = ( $this->redirect ? ApiBase::LIMIT_BIG2 / 2 : ApiBase::LIMIT_BIG2 );
+
+ $result = $this->getResult();
+
if ( $this->params['limit'] == 'max' ) {
$this->params['limit'] = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
- $this->getResult()->setParsedLimit( $this->getModuleName(), $this->params['limit'] );
+ $result->addParsedLimit( $this->getModuleName(), $this->params['limit'] );
+ } else {
+ $this->params['limit'] = intval( $this->params['limit'] );
+ $this->validateLimit( 'limit', $this->params['limit'], 1, $userMax, $botMax );
}
- $this->processContinue();
- $this->prepareFirstQuery( $resultPageSet );
+ $this->rootTitle = $this->getTitleFromTitleOrPageId( $this->params );
- $res = $this->select( __METHOD__ . '::firstQuery' );
+ // only image titles are allowed for the root in imageinfo mode
+ if ( !$this->hasNS && $this->rootTitle->getNamespace() !== NS_FILE ) {
+ $this->dieWithError(
+ [ 'apierror-imageusage-badtitle', $this->getModuleName() ],
+ 'bad_image_title'
+ );
+ }
- $count = 0;
- $this->pageMap = array(); // Maps ns and title to pageid
- $this->continueStr = null;
- $this->redirTitles = array();
- foreach ( $res as $row ) {
- if ( ++ $count > $this->params['limit'] ) {
- // We've reached the one extra which shows that there are additional pages to be had. Stop here...
- // Continue string preserved in case the redirect query doesn't pass the limit
- $this->continueStr = $this->getContinueStr( $row->page_id );
- break;
- }
+ // Parse and validate continuation parameter
+ $this->cont = [];
+ if ( $this->params['continue'] !== null ) {
+ $cont = explode( '|', $this->params['continue'] );
- if ( is_null( $resultPageSet ) ) {
- $this->extractRowInfo( $row );
- } else {
- $this->pageMap[$row->page_namespace][$row->page_title] = $row->page_id;
- if ( $row->page_is_redirect ) {
- $this->redirTitles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
- }
+ switch ( count( $cont ) ) {
+ case 8:
+ // redirect page ID for result adding
+ $this->cont[7] = (int)$cont[7];
+ $this->dieContinueUsageIf( $cont[7] !== (string)$this->cont[7] );
- $resultPageSet->processDbRow( $row );
+ /* Fall through */
+
+ case 7:
+ // top-level page ID for result adding
+ $this->cont[6] = (int)$cont[6];
+ $this->dieContinueUsageIf( $cont[6] !== (string)$this->cont[6] );
+
+ /* Fall through */
+
+ case 6:
+ // ns for 2nd query (even for imageusage)
+ $this->cont[2] = (int)$cont[2];
+ $this->dieContinueUsageIf( $cont[2] !== (string)$this->cont[2] );
+
+ // title for 2nd query
+ $this->cont[3] = $cont[3];
+
+ // from_ns for 2nd query
+ $this->cont[4] = (int)$cont[4];
+ $this->dieContinueUsageIf( $cont[4] !== (string)$this->cont[4] );
+
+ // from_id for 1st query
+ $this->cont[5] = (int)$cont[5];
+ $this->dieContinueUsageIf( $cont[5] !== (string)$this->cont[5] );
+
+ /* Fall through */
+
+ case 2:
+ // from_ns for 1st query
+ $this->cont[0] = (int)$cont[0];
+ $this->dieContinueUsageIf( $cont[0] !== (string)$this->cont[0] );
+
+ // from_id for 1st query
+ $this->cont[1] = (int)$cont[1];
+ $this->dieContinueUsageIf( $cont[1] !== (string)$this->cont[1] );
+
+ break;
+
+ default:
+ $this->dieContinueUsageIf( true );
}
+
+ ksort( $this->cont );
}
+ $this->runFirstQuery( $resultPageSet );
if ( $this->redirect && count( $this->redirTitles ) ) {
$this->resetQueryParams();
- $this->prepareSecondQuery( $resultPageSet );
- $res = $this->select( __METHOD__ . '::secondQuery' );
- $count = 0;
- foreach ( $res as $row ) {
- if ( ++$count > $this->params['limit'] ) {
- // We've reached the one extra which shows that there are additional pages to be had. Stop here...
- // We need to keep the parent page of this redir in
- if ( $this->hasNS ) {
- $parentID = $this->pageMap[$row->{$this->bl_ns}][$row->{$this->bl_title}];
- } else {
- $parentID = $this->pageMap[NS_IMAGE][$row->{$this->bl_title}];
- }
- $this->continueStr = $this->getContinueRedirStr( $parentID, $row->page_id );
- break;
- }
-
- if ( is_null( $resultPageSet ) ) {
- $this->extractRedirRowInfo( $row );
- } else {
- $resultPageSet->processDbRow( $row );
- }
- }
+ $this->runSecondQuery( $resultPageSet );
}
+
+ // Fill in any missing fields in case it's needed below
+ $this->cont += [ 0, 0, 0, '', 0, 0, 0 ];
+
if ( is_null( $resultPageSet ) ) {
// Try to add the result data in one go and pray that it fits
- $fit = $this->getResult()->addValue( 'query', $this->getModuleName(), array_values( $this->resultArr ) );
+ $code = $this->bl_code;
+ $data = array_map( function ( $arr ) use ( $result, $code ) {
+ if ( isset( $arr['redirlinks'] ) ) {
+ $arr['redirlinks'] = array_values( $arr['redirlinks'] );
+ ApiResult::setIndexedTagName( $arr['redirlinks'], $code );
+ }
+ return $arr;
+ }, array_values( $this->resultArr ) );
+ $fit = $result->addValue( 'query', $this->getModuleName(), $data );
if ( !$fit ) {
// It didn't fit. Add elements one by one until the
// result is full.
+ ksort( $this->resultArr );
+ if ( count( $this->cont ) >= 7 ) {
+ $startAt = $this->cont[6];
+ } else {
+ reset( $this->resultArr );
+ $startAt = key( $this->resultArr );
+ }
+ $idx = 0;
foreach ( $this->resultArr as $pageID => $arr ) {
+ if ( $pageID < $startAt ) {
+ continue;
+ }
+
// Add the basic entry without redirlinks first
- $fit = $this->getResult()->addValue(
- array( 'query', $this->getModuleName() ),
- null, array_diff_key( $arr, array( 'redirlinks' => '' ) ) );
+ $fit = $result->addValue(
+ [ 'query', $this->getModuleName() ],
+ $idx, array_diff_key( $arr, [ 'redirlinks' => '' ] ) );
if ( !$fit ) {
- $this->continueStr = $this->getContinueStr( $pageID );
+ $this->continueStr = implode( '|', array_slice( $this->cont, 0, 6 ) ) .
+ "|$pageID";
break;
}
$hasRedirs = false;
- foreach ( (array)@$arr['redirlinks'] as $key => $redir ) {
- $fit = $this->getResult()->addValue(
- array( 'query', $this->getModuleName(), $pageID, 'redirlinks' ),
- $key, $redir );
+ $redirLinks = isset( $arr['redirlinks'] ) ? (array)$arr['redirlinks'] : [];
+ ksort( $redirLinks );
+ if ( count( $this->cont ) >= 8 && $pageID == $startAt ) {
+ $redirStartAt = $this->cont[7];
+ } else {
+ reset( $redirLinks );
+ $redirStartAt = key( $redirLinks );
+ }
+ foreach ( $redirLinks as $key => $redir ) {
+ if ( $key < $redirStartAt ) {
+ continue;
+ }
+
+ $fit = $result->addValue(
+ [ 'query', $this->getModuleName(), $idx, 'redirlinks' ],
+ null, $redir );
if ( !$fit ) {
- $this->continueStr = $this->getContinueRedirStr( $pageID, $redir['pageid'] );
+ $this->continueStr = implode( '|', array_slice( $this->cont, 0, 6 ) ) .
+ "|$pageID|$key";
break;
}
$hasRedirs = true;
}
if ( $hasRedirs ) {
- $this->getResult()->setIndexedTagName_internal(
- array( 'query', $this->getModuleName(), $pageID, 'redirlinks' ),
+ $result->addIndexedTagName(
+ [ 'query', $this->getModuleName(), $idx, 'redirlinks' ],
$this->bl_code );
}
if ( !$fit ) {
break;
}
+
+ $idx++;
}
}
- $this->getResult()->setIndexedTagName_internal(
- array( 'query', $this->getModuleName() ),
+ $result->addIndexedTagName(
+ [ 'query', $this->getModuleName() ],
$this->bl_code
);
}
}
}
- private function extractRowInfo( $row ) {
- $this->pageMap[$row->page_namespace][$row->page_title] = $row->page_id;
- $t = Title::makeTitle( $row->page_namespace, $row->page_title );
- $a = array( 'pageid' => intval( $row->page_id ) );
- ApiQueryBase::addTitleInfo( $a, $t );
- if ( $row->page_is_redirect ) {
- $a['redirect'] = '';
- $this->redirTitles[] = $t;
- }
- // Put all the results in an array first
- $this->resultArr[$a['pageid']] = $a;
- }
-
- private function extractRedirRowInfo( $row ) {
- $a['pageid'] = intval( $row->page_id );
- ApiQueryBase::addTitleInfo( $a, Title::makeTitle( $row->page_namespace, $row->page_title ) );
- if ( $row->page_is_redirect ) {
- $a['redirect'] = '';
- }
- $ns = $this->hasNS ? $row-> { $this->bl_ns } : NS_FILE;
- $parentID = $this->pageMap[$ns][$row-> { $this->bl_title } ];
- // Put all the results in an array first
- $this->resultArr[$parentID]['redirlinks'][] = $a;
- $this->getResult()->setIndexedTagName( $this->resultArr[$parentID]['redirlinks'], $this->bl_code );
- }
-
- protected function processContinue() {
- if ( !is_null( $this->params['continue'] ) ) {
- $this->parseContinueParam();
- } else {
- if ( $this->params['title'] !== '' ) {
- $title = Title::newFromText( $this->params['title'] );
- if ( !$title ) {
- $this->dieUsageMsg( array( 'invalidtitle', $this->params['title'] ) );
- } else {
- $this->rootTitle = $title;
- }
- }
- }
-
- // only image titles are allowed for the root in imageinfo mode
- if ( !$this->hasNS && $this->rootTitle->getNamespace() !== NS_FILE ) {
- $this->dieUsage( "The title for {$this->getModuleName()} query must be an image", 'bad_image_title' );
- }
- }
-
- protected function parseContinueParam() {
- $continueList = explode( '|', $this->params['continue'] );
- // expected format:
- // ns | key | id1 [| id2]
- // ns+key: root title
- // id1: first-level page ID to continue from
- // id2: second-level page ID to continue from
-
- // null stuff out now so we know what's set and what isn't
- $this->rootTitle = $this->contID = $this->redirID = null;
- $rootNs = intval( $continueList[0] );
- if ( $rootNs === 0 && $continueList[0] !== '0' ) {
- // Illegal continue parameter
- $this->dieUsage( 'Invalid continue param. You should pass the original value returned by the previous query', '_badcontinue' );
- }
- $this->rootTitle = Title::makeTitleSafe( $rootNs, $continueList[1] );
-
- if ( !$this->rootTitle ) {
- $this->dieUsage( 'Invalid continue param. You should pass the original value returned by the previous query', '_badcontinue' );
- }
- $contID = intval( $continueList[2] );
-
- if ( $contID === 0 && $continueList[2] !== '0' ) {
- $this->dieUsage( 'Invalid continue param. You should pass the original value returned by the previous query', '_badcontinue' );
- }
- $this->contID = $contID;
- $redirID = intval( @$continueList[3] );
-
- if ( $redirID === 0 && @$continueList[3] !== '0' ) {
- // This one isn't required
- return;
- }
- $this->redirID = $redirID;
-
- }
-
- protected function getContinueStr( $lastPageID ) {
- return $this->rootTitle->getNamespace() .
- '|' . $this->rootTitle->getDBkey() .
- '|' . $lastPageID;
- }
-
- protected function getContinueRedirStr( $lastPageID, $lastRedirID ) {
- return $this->getContinueStr( $lastPageID ) . '|' . $lastRedirID;
- }
-
public function getAllowedParams() {
- $retval = array(
- 'title' => array(
+ $retval = [
+ 'title' => [
ApiBase::PARAM_TYPE => 'string',
- ApiBase::PARAM_REQUIRED => true
- ),
- 'continue' => null,
- 'namespace' => array(
+ ],
+ 'pageid' => [
+ ApiBase::PARAM_TYPE => 'integer',
+ ],
+ 'continue' => [
+ ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+ ],
+ 'namespace' => [
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => 'namespace'
- ),
- 'filterredir' => array(
+ ],
+ 'dir' => [
+ ApiBase::PARAM_DFLT => 'ascending',
+ ApiBase::PARAM_TYPE => [
+ 'ascending',
+ 'descending'
+ ]
+ ],
+ 'filterredir' => [
ApiBase::PARAM_DFLT => 'all',
- ApiBase::PARAM_TYPE => array(
+ ApiBase::PARAM_TYPE => [
'all',
'redirects',
'nonredirects'
- )
- ),
- '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
- )
- );
+ ]
+ ];
if ( $this->getModuleName() == 'embeddedin' ) {
return $retval;
}
$retval['redirect'] = false;
- return $retval;
- }
-
- public function getParamDescription() {
- $retval = array(
- 'title' => 'Title to search',
- 'continue' => 'When more results are available, use this to continue',
- 'namespace' => 'The namespace to enumerate',
- );
- if ( $this->getModuleName() != 'embeddedin' ) {
- return array_merge( $retval, array(
- 'redirect' => 'If linking page is a redirect, find all pages that link to that redirect as well. Maximum limit is halved.',
- 'filterredir' => "How to filter for redirects. If set to nonredirects when {$this->bl_code}redirect is enabled, this is only applied to the second level",
- 'limit' => "How many total pages to return. If {$this->bl_code}redirect is enabled, limit applies to each level separately (which means you may get up to 2 * limit results)."
- ) );
- }
- return array_merge( $retval, array(
- 'filterredir' => 'How to filter for redirects',
- 'limit' => 'How many total pages to return'
- ) );
- }
- public function getDescription() {
- switch ( $this->getModuleName() ) {
- case 'backlinks':
- return 'Find all pages that link to the given page';
- case 'embeddedin':
- return 'Find all pages that embed (transclude) the given title';
- case 'imageusage':
- return 'Find all pages that use the given image title.';
- default:
- ApiBase::dieDebug( __METHOD__, 'Unknown module name' );
- }
- }
-
- public function getPossibleErrors() {
- return array_merge( parent::getPossibleErrors(), array(
- array( 'invalidtitle', 'title' ),
- array( 'code' => 'bad_image_title', 'info' => "The title for {$this->getModuleName()} query must be an image" ),
- array( 'code' => '_badcontinue', 'info' => 'Invalid continue param. You should pass the original value returned by the previous query' ),
- ) );
+ return $retval;
}
- protected function getExamples() {
- static $examples = array(
- 'backlinks' => array(
- 'api.php?action=query&list=backlinks&bltitle=Main%20Page',
- 'api.php?action=query&generator=backlinks&gbltitle=Main%20Page&prop=info'
- ),
- 'embeddedin' => array(
- 'api.php?action=query&list=embeddedin&eititle=Template:Stub',
- 'api.php?action=query&generator=embeddedin&geititle=Template:Stub&prop=info'
- ),
- 'imageusage' => array(
- 'api.php?action=query&list=imageusage&iutitle=File:Albert%20Einstein%20Head.jpg',
- 'api.php?action=query&generator=imageusage&giutitle=File:Albert%20Einstein%20Head.jpg&prop=info'
- )
- );
+ protected function getExamplesMessages() {
+ static $examples = [
+ 'backlinks' => [
+ 'action=query&list=backlinks&bltitle=Main%20Page'
+ => 'apihelp-query+backlinks-example-simple',
+ 'action=query&generator=backlinks&gbltitle=Main%20Page&prop=info'
+ => 'apihelp-query+backlinks-example-generator',
+ ],
+ 'embeddedin' => [
+ 'action=query&list=embeddedin&eititle=Template:Stub'
+ => 'apihelp-query+embeddedin-example-simple',
+ 'action=query&generator=embeddedin&geititle=Template:Stub&prop=info'
+ => 'apihelp-query+embeddedin-example-generator',
+ ],
+ 'imageusage' => [
+ 'action=query&list=imageusage&iutitle=File:Albert%20Einstein%20Head.jpg'
+ => 'apihelp-query+imageusage-example-simple',
+ 'action=query&generator=imageusage&giutitle=File:Albert%20Einstein%20Head.jpg&prop=info'
+ => 'apihelp-query+imageusage-example-generator',
+ ]
+ ];
return $examples[$this->getModuleName()];
}
- public function getVersion() {
- return __CLASS__ . ': $Id$';
+ public function getHelpUrls() {
+ return $this->helpUrl;
}
}