<?php
-
-
-/*
- * Created on Oct 16, 2006
+/**
*
- * API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
+ * Created on Oct 16, 2006
+ *
+ * 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
*
* 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
- require_once ("ApiQueryBase.php");
+ require_once( "ApiQueryBase.php" );
}
+/**
+ * This is a three-in-one module to query:
+ * * backlinks - links pointing to the given page,
+ * * embeddedin - what pages transclude the given page within themselves,
+ * * imageusage - what pages use the given image
+ *
+ * @ingroup API
+ */
class ApiQueryBacklinks extends ApiQueryGeneratorBase {
- private $rootTitle, $contRedirs, $contLevel, $contTitle, $contID;
+ /**
+ * @var Title
+ */
+ private $rootTitle;
+
+ private $params, $contID, $redirID, $redirect;
+ private $bl_ns, $bl_from, $bl_table, $bl_code, $bl_title, $bl_sort, $bl_fields, $hasNS;
+
+ /**
+ * Maps ns and title to pageid
+ *
+ * @var array
+ */
+ private $pageMap = array();
+ private $resultArr;
+
+ private $redirTitles = array();
+ private $continueStr = null;
- // output element name, database column field prefix, database table
- private $backlinksSettings = array (
- 'backlinks' => array (
+ // output element name, database column field prefix, database table
+ private $backlinksSettings = array(
+ 'backlinks' => array(
'code' => 'bl',
'prefix' => 'pl',
'linktbl' => 'pagelinks'
),
- 'embeddedin' => array (
+ 'embeddedin' => array(
'code' => 'ei',
'prefix' => 'tl',
'linktbl' => 'templatelinks'
),
- 'imagelinks' => array (
- 'code' => 'il',
+ 'imageusage' => array(
+ 'code' => 'iu',
'prefix' => 'il',
'linktbl' => 'imagelinks'
)
);
- public function __construct($query, $moduleName) {
- $code = $prefix = $linktbl = null;
- extract($this->backlinksSettings[$moduleName]);
+ public function __construct( $query, $moduleName ) {
+ $settings = $this->backlinksSettings[$moduleName];
+ $prefix = $settings['prefix'];
+ $code = $settings['code'];
+ $this->resultArr = array();
- parent :: __construct($query, $moduleName, $code);
+ parent::__construct( $query, $moduleName, $code );
$this->bl_ns = $prefix . '_namespace';
$this->bl_from = $prefix . '_from';
- $this->bl_tables = array (
- $linktbl,
- 'page'
- );
+ $this->bl_table = $settings['linktbl'];
$this->bl_code = $code;
- $this->hasNS = $moduleName !== 'imagelinks';
- if ($this->hasNS) {
+ $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 = array(
$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 = array(
$this->bl_title
);
}
$this->run();
}
- public function executeGenerator($resultPageSet) {
- $this->run($resultPageSet);
+ public function getCacheMode( $params ) {
+ return 'public';
+ }
+
+ public function executeGenerator( $resultPageSet ) {
+ $this->run( $resultPageSet );
+ }
+
+ /**
+ * @param $resultPageSet ApiPageSet
+ * @return void
+ */
+ 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' ) );
+ $this->addWhere( "{$this->bl_from}=page_id" );
+ if ( is_null( $resultPageSet ) ) {
+ $this->addFields( array( 'page_id', 'page_title', 'page_namespace' ) );
+ } else {
+ $this->addFields( $resultPageSet->getPageTableFields() );
+ }
+
+ $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}" );
+ }
+
+ 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
+ $this->addWhereFld( 'page_is_redirect', 0 );
+ }
+
+ $this->addOption( 'LIMIT', $this->params['limit'] + 1 );
+ $this->addOption( 'ORDER BY', $this->bl_from );
+ $this->addOption( 'STRAIGHT_JOIN' );
}
- private function run($resultPageSet = null) {
- $continue = $namespace = $redirect = $limit = null;
- extract($this->extractRequestParams());
-
- if ($redirect)
- $this->dieDebug('Redirect is not yet been implemented', 'notimplemented');
-
- $this->processContinue($continue, $redirect);
-
- $this->addFields($this->bl_fields);
- if (is_null($resultPageSet))
- $this->addFields(array (
- 'page_id',
- 'page_namespace',
- 'page_title'
- ));
- else
- $this->addFields($resultPageSet->getPageTableFields()); // will include page_id
-
- $this->addTables($this->bl_tables);
- $this->addWhere($this->bl_from . '=page_id');
-
- if ($this->hasNS)
- $this->addWhereFld($this->bl_ns, $this->rootTitle->getNamespace());
- $this->addWhereFld($this->bl_title, $this->rootTitle->getDBkey());
- $this->addWhereFld('page_namespace', $namespace);
- $this->addOption('LIMIT', $limit +1);
- $this->addOption('ORDER BY', $this->bl_sort);
-
- if ($redirect)
- $this->addWhereFld('page_is_redirect', 0);
-
- $db = & $this->getDB();
- if (!is_null($continue)) {
- $plfrm = intval($this->contID);
- if ($this->contLevel == 0) {
- // For the first level, there is only one target title, so no need for complex filtering
- $this->addWhere($this->bl_from . '>=' . $plfrm);
+ /**
+ * @param $resultPageSet ApiPageSet
+ * @return void
+ */
+ 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
+ */
+ $db = $this->getDB();
+ $this->addTables( array( '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' ) );
+ } else {
+ $this->addFields( $resultPageSet->getPageTableFields() );
+ }
+
+ $this->addFields( $this->bl_title );
+ if ( $this->hasNS ) {
+ $this->addFields( $this->bl_ns );
+ }
+
+ // We can't use LinkBatch here because $this->hasNS may be false
+ $titleWhere = array();
+ foreach ( $this->redirTitles as $t ) {
+ $titleWhere[] = "{$this->bl_title} = " . $db->addQuotes( $t->getDBkey() ) .
+ ( $this->hasNS ? " AND {$this->bl_ns} = '{$t->getNamespace()}'" : '' );
+ }
+ $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 {
- $ns = $this->contTitle->getNamespace();
- $t = $db->addQuotes($this->contTitle->getDBkey());
- $whereWithoutNS = "{$this->bl_title}>$t OR ({$this->bl_title}=$t AND {$this->bl_from}>=$plfrm))";
-
- if ($this->hasNS)
- $this->addWhere("{$this->bl_ns}>$ns OR ({$this->bl_ns}=$ns AND ($whereWithoutNS)");
- else
- $this->addWhere($whereWithoutNS);
+ $this->addWhere( "{$this->bl_title} > '$title' OR " .
+ "({$this->bl_title} = '$title' AND " .
+ "{$this->bl_from} >= $from)" );
}
}
+ if ( $this->params['filterredir'] == 'redirects' ) {
+ $this->addWhereFld( 'page_is_redirect', 1 );
+ } elseif ( $this->params['filterredir'] == 'nonredirects' ) {
+ $this->addWhereFld( 'page_is_redirect', 0 );
+ }
- $res = $this->select(__METHOD__);
+ $this->addOption( 'LIMIT', $this->params['limit'] + 1 );
+ $this->addOption( 'ORDER BY', $this->bl_sort );
+ $this->addOption( 'USE INDEX', array( 'page' => 'PRIMARY' ) );
+ }
+
+ /**
+ * @param $resultPageSet ApiPageSet
+ * @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 );
+ if ( $this->params['limit'] == 'max' ) {
+ $this->params['limit'] = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
+ $this->getResult()->setParsedLimit( $this->getModuleName(), $this->params['limit'] );
+ }
+
+ $this->processContinue();
+ $this->prepareFirstQuery( $resultPageSet );
+
+ $res = $this->select( __METHOD__ . '::firstQuery' );
$count = 0;
- $data = array ();
- while ($row = $db->fetchObject($res)) {
- if (++ $count > $limit) {
+
+ foreach ( $res as $row ) {
+ if ( ++ $count > $this->params['limit'] ) {
// We've reached the one extra which shows that there are additional pages to be had. Stop here...
- if ($redirect) {
- $ns = $row-> {
- $this->bl_ns };
- $t = $row-> {
- $this->bl_title };
- $continue = $this->getContinueRedirStr(false, 0, $ns, $t, $row->page_id);
- } else
- $continue = $this->getContinueStr($row->page_id);
- $this->setContinueEnumParameter('continue', $continue);
+ // Continue string preserved in case the redirect query doesn't pass the limit
+ $this->continueStr = $this->getContinueStr( $row->page_id );
break;
}
- if (is_null($resultPageSet)) {
- $vals = $this->addRowInfo('page', $row);
- if ($vals)
- $data[intval($row->page_id)] = $vals;
+ if ( is_null( $resultPageSet ) ) {
+ $this->extractRowInfo( $row );
} else {
- $resultPageSet->processDbRow($row);
+ $this->pageMap[$row->page_namespace][$row->page_title] = $row->page_id;
+ if ( $row->page_is_redirect ) {
+ $this->redirTitles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
+ }
+
+ $resultPageSet->processDbRow( $row );
}
}
- $db->freeResult($res);
- if (is_null($resultPageSet)) {
- $result = $this->getResult();
- $result->setIndexedTagName($data, $this->bl_code);
- $result->addValue('query', $this->getModuleName(), $data);
+ 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 );
+ }
+ }
}
- }
+ 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( $this->resultArr ) );
+ if ( !$fit ) {
+ // It didn't fit. Add elements one by one until the
+ // result is full.
+ foreach ( $this->resultArr as $pageID => $arr ) {
+ // Add the basic entry without redirlinks first
+ $fit = $this->getResult()->addValue(
+ array( 'query', $this->getModuleName() ),
+ null, array_diff_key( $arr, array( 'redirlinks' => '' ) ) );
+ if ( !$fit ) {
+ $this->continueStr = $this->getContinueStr( $pageID );
+ break;
+ }
- protected function processContinue($continue, $redirect) {
- $pageSet = $this->getPageSet();
- $count = $pageSet->getTitleCount();
- if (!is_null($continue)) {
- if ($count !== 0)
- $this->dieUsage("When continuing the {$this->getModuleName()} query, no other titles may be provided", 'titles_on_continue');
- $this->parseContinueParam($continue, $redirect);
+ $hasRedirs = false;
+ foreach ( (array)@$arr['redirlinks'] as $key => $redir ) {
+ $fit = $this->getResult()->addValue(
+ array( 'query', $this->getModuleName(), $pageID, 'redirlinks' ),
+ $key, $redir );
+ if ( !$fit ) {
+ $this->continueStr = $this->getContinueRedirStr( $pageID, $redir['pageid'] );
+ break;
+ }
+ $hasRedirs = true;
+ }
+ if ( $hasRedirs ) {
+ $this->getResult()->setIndexedTagName_internal(
+ array( 'query', $this->getModuleName(), $pageID, 'redirlinks' ),
+ $this->bl_code );
+ }
+ if ( !$fit ) {
+ break;
+ }
+ }
+ }
- // Skip all completed links
- $db = & $this->getDB();
+ $this->getResult()->setIndexedTagName_internal(
+ array( 'query', $this->getModuleName() ),
+ $this->bl_code
+ );
+ }
+ if ( !is_null( $this->continueStr ) ) {
+ $this->setContinueEnumParameter( 'continue', $this->continueStr );
+ }
+ }
- } else {
- if ($count !== 1)
- $this->dieUsage("The {$this->getModuleName()} query requires one title to start", 'bad_title_count');
- $this->rootTitle = current($pageSet->getTitles()); // only one title there
+ 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']] = $a;
+ }
- // only image titles are allowed for the root
- if (!$this->hasNS && $this->rootTitle->getNamespace() !== NS_IMAGE)
- $this->dieUsage("The title for {$this->getModuleName()} query must be an image", 'bad_image_title');
+ 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'], $this->bl_code );
}
- protected function parseContinueParam($continue, $redirect) {
- $continueList = explode('|', $continue);
- if ($redirect) {
- //
- // expected redirect-mode parameter:
- // ns|db_key|step|level|ns|db_key|id
- // ns+db_key -- the root title
- // step = 1 or 2 - which step to continue from - 1-titles, 2-redirects
- // level -- how many levels to follow before starting enumerating.
- // if level > 0 -- ns+title to continue from, otherwise skip these
- // id = last page_id to continue from
- //
- if (count($continueList) > 4) {
- $rootNs = intval($continueList[0]);
- if (($rootNs !== 0 || $continueList[0] === '0') && !empty ($continueList[1])) {
- $this->rootTitle = Title :: makeTitleSafe($rootNs, $continueList[1]);
- if ($this->rootTitle && $this->rootTitle->userCanRead()) {
-
- $step = intval($continueList[2]);
- if ($step === 1 || $step === 2) {
- $this->contRedirs = ($step === 2);
-
- $level = intval($continueList[3]);
- if ($level !== 0 || $continueList[3] === '0') {
- $this->contLevel = $level;
-
- if ($level === 0) {
- if (count($continueList) === 5) {
- $contID = intval($continueList[4]);
- if ($contID !== 0 || $continueList[4] === '0') {
- $this->contID = $contID;
- return; // done
- }
- }
- } else {
- if (count($continueList) === 7) {
- $contNs = intval($continueList[4]);
- if (($contNs !== 0 || $continueList[4] === '0') && !empty ($continueList[5])) {
- $this->contTitle = Title :: makeTitleSafe($contNs, $continueList[5]);
-
- $contID = intval($continueList[6]);
- if ($contID !== 0 || $continueList[6] === '0') {
- $this->contID = $contID;
- return; // done
- }
- }
- }
- }
- }
- }
- }
- }
- }
+ protected function processContinue() {
+ if ( !is_null( $this->params['continue'] ) ) {
+ $this->parseContinueParam();
} else {
- //
- // expected non-redirect-mode parameter:
- // ns|db_key|id
- // ns+db_key -- the root title
- // id = last page_id to continue from
- //
- if (count($continueList) === 3) {
- $rootNs = intval($continueList[0]);
- if (($rootNs !== 0 || $continueList[0] === '0') && !empty ($continueList[1])) {
- $this->rootTitle = Title :: makeTitleSafe($rootNs, $continueList[1]);
- if ($this->rootTitle && $this->rootTitle->userCanRead()) {
-
- $contID = intval($continueList[2]);
- if ($contID !== 0) {
- $this->contID = $contID;
- return; // done
- }
- }
+ if ( $this->params['title'] !== '' ) {
+ $title = Title::newFromText( $this->params['title'] );
+ if ( !$title ) {
+ $this->dieUsageMsg( array( 'invalidtitle', $this->params['title'] ) );
+ } else {
+ $this->rootTitle = $title;
}
}
}
- $this->dieUsage("Invalid continue param. You should pass the original value returned by the previous query", "_badcontinue");
+ // only image titles are allowed for the root in imageinfo mode
+ if ( !$this->hasNS && $this->rootTitle->getNamespace() !== NS_FILE ) {
+ $this->dieUsage( "The title for {$this->getModuleName()} query must be an image", 'bad_image_title' );
+ }
}
- protected function getContinueStr($lastPageID) {
- return $this->rootTitle->getNamespace() .
- '|' . $this->rootTitle->getDBkey() .
- '|' . $lastPageID;
+ 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 = $redirID;
+
}
- protected function getContinueRedirStr($isRedirPhase, $level, $ns, $title, $lastPageID) {
+ protected function getContinueStr( $lastPageID ) {
return $this->rootTitle->getNamespace() .
'|' . $this->rootTitle->getDBkey() .
- '|' . ($isRedirPhase ? 1 : 2) .
- '|' . $level .
- ($level > 0 ? ('|' . $ns . '|' . $title) : '') .
'|' . $lastPageID;
}
- protected function getAllowedParams() {
+ protected function getContinueRedirStr( $lastPageID, $lastRedirID ) {
+ return $this->getContinueStr( $lastPageID ) . '|' . $lastRedirID;
+ }
- $namespaces = $this->getQuery()->getValidNamespaces();
- return array (
+ public function getAllowedParams() {
+ $retval = array(
+ 'title' => array(
+ ApiBase::PARAM_TYPE => 'string',
+ ApiBase::PARAM_REQUIRED => true
+ ),
'continue' => null,
- 'namespace' => array (
- ApiBase :: PARAM_ISMULTI => true,
- ApiBase :: PARAM_TYPE => $namespaces
+ 'namespace' => array(
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => 'namespace'
+ ),
+ 'filterredir' => array(
+ ApiBase::PARAM_DFLT => 'all',
+ ApiBase::PARAM_TYPE => array(
+ 'all',
+ 'redirects',
+ 'nonredirects'
+ )
),
- 'redirect' => false,
- 'limit' => array (
- ApiBase :: PARAM_DFLT => 10,
- ApiBase :: PARAM_TYPE => 'limit',
- ApiBase :: PARAM_MIN => 1,
- ApiBase :: PARAM_MAX1 => ApiBase :: LIMIT_BIG1,
- ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
+ '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
)
);
+ if ( $this->getModuleName() == 'embeddedin' ) {
+ return $retval;
+ }
+ $retval['redirect'] = false;
+ return $retval;
}
- protected function getParamDescription() {
- return array (
- 'continue' => 'When more results are available, use this to continue.',
- 'namespace' => 'The namespace to enumerate.',
- 'redirect' => 'If linking page is a redirect, find all pages that link to that redirect (not implemented)',
- 'limit' => 'How many total pages to return.'
+ 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 ( $this->getModuleName() ) {
+ case 'backlinks':
+ return 'Find all pages that link to the given page';
+ case 'embeddedin':
+ return 'Find all pages that embed (transclude) the given title';
+ case 'imageusage':
+ return 'Find all pages that use the given image title.';
+ default:
+ ApiBase::dieDebug( __METHOD__, 'Unknown module name' );
+ }
}
- protected function getDescription() {
- return 'Find all pages that link to the given page';
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'invalidtitle', 'title' ),
+ array( 'code' => 'bad_image_title', 'info' => "The title for {$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' ),
+ ) );
}
protected function getExamples() {
- static $examples = array (
- 'backlinks' => array (
- "api.php?action=query&list=backlinks&titles=Main%20Page",
- "api.php?action=query&generator=backlinks&titles=Main%20Page&prop=info"
+ 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&titles=Template:Stub",
- "api.php?action=query&generator=embeddedin&titles=Template:Stub&prop=info"
+ 'embeddedin' => array(
+ 'api.php?action=query&list=embeddedin&eititle=Template:Stub',
+ 'api.php?action=query&generator=embeddedin&geititle=Template:Stub&prop=info'
),
- 'imagelinks' => array (
- "api.php?action=query&list=imagelinks&titles=Image:Albert%20Einstein%20Head.jpg",
- "api.php?action=query&generator=imagelinks&titles=Image:Albert%20Einstein%20Head.jpg&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'
)
);
return __CLASS__ . ': $Id$';
}
}
-?>
\ No newline at end of file