<?php
-
-
-/*
- * Created on Sep 24, 2006
+/**
+ *
*
- * API for MediaWiki 1.8+
+ * Created on Sep 24, 2006
*
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@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
*
* 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 class contains a list of pages that the client has requested.
+ * Initially, when the client passes in titles=, pageids=, or revisions=
+ * parameter, an instance of the ApiPageSet class will normalize titles,
+ * determine if the pages/revisions exist, and prefetch any additional page
+ * data requested.
+ *
+ * When a generator is used, the result of the generator will become the input
+ * for the second instance of this class, and all subsequent actions will use
+ * the second instance for all their work.
+ *
+ * @ingroup API
+ */
class ApiPageSet extends ApiQueryBase {
- private $mAllPages; // [ns][dbkey] => page_id or 0 when missing
- private $mGoodTitles, $mMissingTitles, $mMissingPageIDs, $mRedirectTitles, $mNormalizedTitles;
+ private $mAllPages; // [ns][dbkey] => page_id or negative when missing
+ private $mTitles, $mGoodTitles, $mMissingTitles, $mInvalidTitles;
+ private $mMissingPageIDs, $mRedirectTitles, $mSpecialTitles;
+ private $mNormalizedTitles, $mInterwikiTitles;
+ private $mResolveRedirects, $mPendingRedirectIDs;
+ private $mConvertTitles, $mConvertedTitles;
+ private $mGoodRevIDs, $mMissingRevIDs;
+ private $mFakePageId;
- private $mRequestedFields;
+ private $mRequestedPageFields;
- public function __construct($query) {
- parent :: __construct($query, __CLASS__);
+ /**
+ * Constructor
+ * @param $query ApiQuery
+ * @param $resolveRedirects bool Whether redirects should be resolved
+ */
+ public function __construct( $query, $resolveRedirects = false, $convertTitles = false ) {
+ parent::__construct( $query, 'query' );
+
+ $this->mAllPages = array();
+ $this->mTitles = array();
+ $this->mGoodTitles = array();
+ $this->mMissingTitles = array();
+ $this->mInvalidTitles = array();
+ $this->mMissingPageIDs = array();
+ $this->mRedirectTitles = array();
+ $this->mNormalizedTitles = array();
+ $this->mInterwikiTitles = array();
+ $this->mGoodRevIDs = array();
+ $this->mMissingRevIDs = array();
+ $this->mSpecialTitles = array();
+
+ $this->mRequestedPageFields = array();
+ $this->mResolveRedirects = $resolveRedirects;
+ if ( $resolveRedirects ) {
+ $this->mPendingRedirectIDs = array();
+ }
- $this->mAllPages = array ();
- $this->mGoodTitles = array ();
- $this->mMissingTitles = array ();
- $this->mMissingPageIDs = array ();
- $this->mRedirectTitles = array ();
- $this->mNormalizedTitles = array ();
+ $this->mConvertTitles = $convertTitles;
+ $this->mConvertedTitles = array();
- $this->mRequestedFields = array ();
+ $this->mFakePageId = - 1;
}
- public function requestField($fieldName) {
- $this->mRequestedFields[$fieldName] = null;
+ /**
+ * Check whether this PageSet is resolving redirects
+ * @return bool
+ */
+ public function isResolvingRedirects() {
+ return $this->mResolveRedirects;
}
- public function getCustomField($fieldName) {
- return $this->mRequestedFields[$fieldName];
+ /**
+ * Request an additional field from the page table. Must be called
+ * before execute()
+ * @param $fieldName string Field name
+ */
+ public function requestField( $fieldName ) {
+ $this->mRequestedPageFields[$fieldName] = null;
+ }
+
+ /**
+ * Get the value of a custom field previously requested through
+ * requestField()
+ * @param $fieldName string Field name
+ * @return mixed Field value
+ */
+ public function getCustomField( $fieldName ) {
+ return $this->mRequestedPageFields[$fieldName];
+ }
+
+ /**
+ * Get the fields that have to be queried from the page table:
+ * the ones requested through requestField() and a few basic ones
+ * we always need
+ * @return array of field names
+ */
+ public function getPageTableFields() {
+ // Ensure we get minimum required fields
+ // DON'T change this order
+ $pageFlds = array(
+ 'page_namespace' => null,
+ 'page_title' => null,
+ 'page_id' => null,
+ );
+
+ if ( $this->mResolveRedirects ) {
+ $pageFlds['page_is_redirect'] = null;
+ }
+
+ // only store non-default fields
+ $this->mRequestedPageFields = array_diff_key( $this->mRequestedPageFields, $pageFlds );
+
+ $pageFlds = array_merge( $pageFlds, $this->mRequestedPageFields );
+ return array_keys( $pageFlds );
+ }
+
+ /**
+ * Returns an array [ns][dbkey] => page_id for all requested titles.
+ * page_id is a unique negative number in case title was not found.
+ * Invalid titles will also have negative page IDs and will be in namespace 0
+ * @return array
+ */
+ public function getAllTitlesByNamespace() {
+ return $this->mAllPages;
+ }
+
+ /**
+ * All Title objects provided.
+ * @return array of Title objects
+ */
+ public function getTitles() {
+ return $this->mTitles;
+ }
+
+ /**
+ * Returns the number of unique pages (not revisions) in the set.
+ * @return int
+ */
+ public function getTitleCount() {
+ return count( $this->mTitles );
}
/**
return $this->mGoodTitles;
}
+ /**
+ * Returns the number of found unique pages (not revisions) in the set.
+ * @return int
+ */
+ public function getGoodTitleCount() {
+ return count( $this->mGoodTitles );
+ }
+
/**
* Title objects that were NOT found in the database.
+ * The array's index will be negative for each item
* @return array of Title objects
*/
public function getMissingTitles() {
return $this->mMissingTitles;
}
+ /**
+ * Titles that were deemed invalid by Title::newFromText()
+ * The array's index will be unique and negative for each item
+ * @return array of strings (not Title objects)
+ */
+ public function getInvalidTitles() {
+ return $this->mInvalidTitles;
+ }
+
/**
* Page IDs that were not found in the database
* @return array of page IDs
}
/**
- * Get a list of redirects when doing redirect resolution
+ * Get a list of redirect resolutions - maps a title to its redirect
+ * target.
* @return array prefixed_title (string) => prefixed_title (string)
*/
public function getRedirectTitles() {
}
/**
- * Get a list of title normalizations - maps the title given
- * with its normalized version.
- * @return array raw_prefixed_title (string) => prefixed_title (string)
+ * Get a list of title normalizations - maps a title to its normalized
+ * version.
+ * @return array raw_prefixed_title (string) => prefixed_title (string)
*/
public function getNormalizedTitles() {
return $this->mNormalizedTitles;
}
/**
- * Returns the number of unique pages (not revisions) in the set.
+ * Get a list of title conversions - maps a title to its converted
+ * version.
+ * @return array raw_prefixed_title (string) => prefixed_title (string)
*/
- public function getGoodTitleCount() {
- return count($this->getGoodTitles());
+ public function getConvertedTitles() {
+ return $this->mConvertedTitles;
+ }
+
+ /**
+ * Get a list of interwiki titles - maps a title to its interwiki
+ * prefix.
+ * @return array raw_prefixed_title (string) => interwiki_prefix (string)
+ */
+ public function getInterwikiTitles() {
+ return $this->mInterwikiTitles;
}
/**
- * Get the list of revision IDs (requested with revids= parameter)
+ * Get the list of revision IDs (requested with the revids= parameter)
+ * @return array revID (int) => pageID (int)
*/
public function getRevisionIDs() {
- $this->dieUsage(__METHOD__ . ' is not implemented', 'notimplemented');
+ return $this->mGoodRevIDs;
+ }
+
+ /**
+ * Revision IDs that were not found in the database
+ * @return array of revision IDs
+ */
+ public function getMissingRevisionIDs() {
+ return $this->mMissingRevIDs;
+ }
+
+ /**
+ * Get the list of titles with negative namespace
+ * @return array Title
+ */
+ public function getSpecialTitles() {
+ return $this->mSpecialTitles;
}
/**
- * Returns the number of revisions (requested with revids= parameter)
+ * Returns the number of revisions (requested with revids= parameter)\
+ * @return int
*/
public function getRevisionCount() {
- return 0; // TODO: implement
+ return count( $this->getRevisionIDs() );
+ }
+
+ /**
+ * Populate the PageSet from the request parameters.
+ */
+ public function execute() {
+ $this->profileIn();
+ $params = $this->extractRequestParams();
+
+ // Only one of the titles/pageids/revids is allowed at the same time
+ $dataSource = null;
+ if ( isset( $params['titles'] ) ) {
+ $dataSource = 'titles';
+ }
+ if ( isset( $params['pageids'] ) ) {
+ if ( isset( $dataSource ) ) {
+ $this->dieUsage( "Cannot use 'pageids' at the same time as '$dataSource'", 'multisource' );
+ }
+ $dataSource = 'pageids';
+ }
+ if ( isset( $params['revids'] ) ) {
+ if ( isset( $dataSource ) ) {
+ $this->dieUsage( "Cannot use 'revids' at the same time as '$dataSource'", 'multisource' );
+ }
+ $dataSource = 'revids';
+ }
+
+ switch ( $dataSource ) {
+ case 'titles':
+ $this->initFromTitles( $params['titles'] );
+ break;
+ case 'pageids':
+ $this->initFromPageIds( $params['pageids'] );
+ break;
+ case 'revids':
+ if ( $this->mResolveRedirects ) {
+ $this->setWarning( 'Redirect resolution cannot be used together with the revids= parameter. ' .
+ 'Any redirects the revids= point to have not been resolved.' );
+ }
+ $this->mResolveRedirects = false;
+ $this->initFromRevIDs( $params['revids'] );
+ break;
+ default:
+ // Do nothing - some queries do not need any of the data sources.
+ break;
+ }
+ $this->profileOut();
+ }
+
+ /**
+ * Populate this PageSet from a list of Titles
+ * @param $titles array of Title objects
+ */
+ public function populateFromTitles( $titles ) {
+ $this->profileIn();
+ $this->initFromTitles( $titles );
+ $this->profileOut();
+ }
+
+ /**
+ * Populate this PageSet from a list of page IDs
+ * @param $pageIDs array of page IDs
+ */
+ public function populateFromPageIDs( $pageIDs ) {
+ $this->profileIn();
+ $this->initFromPageIds( $pageIDs );
+ $this->profileOut();
+ }
+
+ /**
+ * Populate this PageSet from a rowset returned from the database
+ * @param $db Database object
+ * @param $queryResult ResultWrapper Query result object
+ */
+ public function populateFromQueryResult( $db, $queryResult ) {
+ $this->profileIn();
+ $this->initFromQueryResult( $queryResult );
+ $this->profileOut();
+ }
+
+ /**
+ * Populate this PageSet from a list of revision IDs
+ * @param $revIDs array of revision IDs
+ */
+ public function populateFromRevisionIDs( $revIDs ) {
+ $this->profileIn();
+ $this->initFromRevIDs( $revIDs );
+ $this->profileOut();
+ }
+
+ /**
+ * Extract all requested fields from the row received from the database
+ * @param $row Result row
+ */
+ public function processDbRow( $row ) {
+ // Store Title object in various data structures
+ $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+
+ $pageId = intval( $row->page_id );
+ $this->mAllPages[$row->page_namespace][$row->page_title] = $pageId;
+ $this->mTitles[] = $title;
+
+ if ( $this->mResolveRedirects && $row->page_is_redirect == '1' ) {
+ $this->mPendingRedirectIDs[$pageId] = $title;
+ } else {
+ $this->mGoodTitles[$pageId] = $title;
+ }
+
+ foreach ( $this->mRequestedPageFields as $fieldName => &$fieldValues ) {
+ $fieldValues[$pageId] = $row-> $fieldName;
+ }
+ }
+
+ /**
+ * Resolve redirects, if applicable
+ */
+ public function finishPageSetGeneration() {
+ $this->profileIn();
+ $this->resolvePendingRedirects();
+ $this->profileOut();
}
/**
* This method populates internal variables with page information
* based on the given array of title strings.
- *
+ *
* Steps:
* #1 For each title, get data from `page` table
* #2 If page was not found in the DB, store it as missing
- *
+ *
* Additionally, when resolving redirects:
* #3 If no more redirects left, stop.
- * #4 For each redirect, get its links from `pagelinks` table.
+ * #4 For each redirect, get its target from the `redirect` table.
* #5 Substitute the original LinkBatch object with the new list
- * #6 Repeat from step #1
+ * #6 Repeat from step #1
+ *
+ * @param $titles array of Title objects or strings
*/
- private function populatePages($titles, $pageids, $redirects) {
- if (!is_null($titles) && !is_null($pageids))
- ApiBase :: dieDebug(__METHOD__, 'bad parameters');
- $processTitles = !is_null($titles);
-
- // Ensure we get minimum required fields
- $pageFlds = array (
- 'page_id' => null,
- 'page_namespace' => null,
- 'page_title' => null
- );
-
- // only store non-default fields
- $this->mRequestedFields = array_diff_key($this->mRequestedFields, $pageFlds);
-
- if ($redirects)
- $pageFlds['page_is_redirect'] = null;
-
- $pageFlds = array_keys(array_merge($pageFlds, $this->mRequestedFields));
+ private function initFromTitles( $titles ) {
+ // Get validated and normalized title objects
+ $linkBatch = $this->processTitlesArray( $titles );
+ if ( $linkBatch->isEmpty() ) {
+ return;
+ }
$db = $this->getDB();
+ $set = $linkBatch->constructSet( 'page', $db );
- if ($processTitles) {
+ // Get pageIDs data from the `page` table
+ $this->profileDBIn();
+ $res = $db->select( 'page', $this->getPageTableFields(), $set,
+ __METHOD__ );
+ $this->profileDBOut();
- // Get validated and normalized title objects
- $linkBatch = $this->processTitlesStrArray($titles);
+ // Hack: get the ns:titles stored in array(ns => array(titles)) format
+ $this->initFromQueryResult( $res, $linkBatch->data, true ); // process Titles
- $set = $linkBatch->constructSet('page', $db);
- } else {
- $set = array (
- 'page_id' => $pageids
- );
+ // Resolve any found redirects
+ $this->resolvePendingRedirects();
+ }
+
+ /**
+ * Does the same as initFromTitles(), but is based on page IDs instead
+ * @param $pageids array of page IDs
+ */
+ private function initFromPageIds( $pageids ) {
+ if ( !count( $pageids ) ) {
+ return;
}
- //
- // Repeat until all redirects have been resolved
- // The infinite loop is prevented by keeping all known pages in $this->mAllPages
- //
- do {
- if ($processTitles) {
- // Hack: get the ns:titles stored in array(ns => array(titles)) format
- $remaining = $linkBatch->data;
- } else {
- $remaining = array_flip($pageids); // turn pageids into keys
- }
+ $pageids = array_map( 'intval', $pageids ); // paranoia
+ $set = array(
+ 'page_id' => $pageids
+ );
+ $db = $this->getDB();
- $redirectIds = array ();
+ // Get pageIDs data from the `page` table
+ $this->profileDBIn();
+ $res = $db->select( 'page', $this->getPageTableFields(), $set,
+ __METHOD__ );
+ $this->profileDBOut();
- //
- // Get data about $linkBatch from `page` table
- //
- $this->profileDBIn();
- $res = $db->select('page', $pageFlds, $set, __METHOD__);
- $this->profileDBOut();
- while ($row = $db->fetchObject($res)) {
+ $remaining = array_flip( $pageids );
+ $this->initFromQueryResult( $res, $remaining, false ); // process PageIDs
- $pageId = intval($row->page_id);
+ // Resolve any found redirects
+ $this->resolvePendingRedirects();
+ }
- if ($processTitles)
- unset ($remaining[$row->page_namespace][$row->page_title]);
- else
- unset ($remaining[$pageId]);
+ /**
+ * Iterate through the result of the query on 'page' table,
+ * and for each row create and store title object and save any extra fields requested.
+ * @param $res ResultWrapper DB Query result
+ * @param $remaining array of either pageID or ns/title elements (optional).
+ * If given, any missing items will go to $mMissingPageIDs and $mMissingTitles
+ * @param $processTitles bool Must be provided together with $remaining.
+ * If true, treat $remaining as an array of [ns][title]
+ * If false, treat it as an array of [pageIDs]
+ */
+ private function initFromQueryResult( $res, &$remaining = null, $processTitles = null ) {
+ if ( !is_null( $remaining ) && is_null( $processTitles ) ) {
+ ApiBase::dieDebug( __METHOD__, 'Missing $processTitles parameter when $remaining is provided' );
+ }
- $title = Title :: makeTitle($row->page_namespace, $row->page_title);
- $this->mAllPages[$row->page_namespace][$row->page_title] = $pageId;
+ foreach ( $res as $row ) {
+ $pageId = intval( $row->page_id );
- if ($redirects && $row->page_is_redirect == '1') {
- $redirectIds[$pageId] = $title;
+ // Remove found page from the list of remaining items
+ if ( isset( $remaining ) ) {
+ if ( $processTitles ) {
+ unset( $remaining[$row->page_namespace][$row->page_title] );
} else {
- $this->mGoodTitles[$pageId] = $title;
- }
-
- foreach ($this->mRequestedFields as $fieldName => & $fieldValues) {
- $fieldValues[$pageId] = $row-> $fieldName;
+ unset( $remaining[$pageId] );
}
}
- $db->freeResult($res);
-
- if ($processTitles) {
- // The remaining titles in $remaining are non-existant pages
- foreach ($remaining as $ns => $dbkeys) {
- foreach ($dbkeys as $dbkey => $nothing) {
- $this->mMissingTitles[] = Title :: makeTitle($ns, $dbkey);
- $this->mAllPages[$ns][$dbkey] = 0;
+
+ // Store any extra fields requested by modules
+ $this->processDbRow( $row );
+ }
+
+ if ( isset( $remaining ) ) {
+ // Any items left in the $remaining list are added as missing
+ if ( $processTitles ) {
+ // The remaining titles in $remaining are non-existent pages
+ foreach ( $remaining as $ns => $dbkeys ) {
+ foreach ( array_keys( $dbkeys ) as $dbkey ) {
+ $title = Title::makeTitle( $ns, $dbkey );
+ $this->mAllPages[$ns][$dbkey] = $this->mFakePageId;
+ $this->mMissingTitles[$this->mFakePageId] = $title;
+ $this->mFakePageId--;
+ $this->mTitles[] = $title;
}
}
} else {
- // The remaining pageids in $remaining do not exist
- foreach ($remaining as $pageid => $ignore) {
- $this->mMissingPageIDs[] = $pageid;
+ // The remaining pageids do not exist
+ if ( !$this->mMissingPageIDs ) {
+ $this->mMissingPageIDs = array_keys( $remaining );
+ } else {
+ $this->mMissingPageIDs = array_merge( $this->mMissingPageIDs, array_keys( $remaining ) );
}
}
-
- if (!$redirects || empty ($redirectIds))
- break;
-
- //
- // Resolve redirects by querying the pagelinks table, and repeat the process
- // Create a new linkBatch object for the next pass
- //
- $linkBatch = $this->resolveRedirectList($redirectIds);
-
- // Redirects are always titles
- $processTitles = true;
}
- while (false !== ($set = $linkBatch->constructSet('page', $db)));
}
- private function resolveRedirectList($redirectIds) {
+ /**
+ * Does the same as initFromTitles(), but is based on revision IDs
+ * instead
+ * @param $revids array of revision IDs
+ */
+ private function initFromRevIDs( $revids ) {
+ if ( !count( $revids ) ) {
+ return;
+ }
- $linkBatch = new LinkBatch();
+ $revids = array_map( 'intval', $revids ); // paranoia
$db = $this->getDB();
+ $pageids = array();
+ $remaining = array_flip( $revids );
- // find redirect targets for all redirect pages
+ $tables = array( 'revision', 'page' );
+ $fields = array( 'rev_id', 'rev_page' );
+ $where = array( 'rev_id' => $revids, 'rev_page = page_id' );
+
+ // Get pageIDs data from the `page` table
$this->profileDBIn();
- $res = $db->select('pagelinks', array (
- 'pl_from',
- 'pl_namespace',
- 'pl_title'
- ), array (
- 'pl_from' => array_keys($redirectIds
- )), __METHOD__);
+ $res = $db->select( $tables, $fields, $where, __METHOD__ );
+ foreach ( $res as $row ) {
+ $revid = intval( $row->rev_id );
+ $pageid = intval( $row->rev_page );
+ $this->mGoodRevIDs[$revid] = $pageid;
+ $pageids[$pageid] = '';
+ unset( $remaining[$revid] );
+ }
$this->profileDBOut();
- while ($row = $db->fetchObject($res)) {
-
- $plfrom = intval($row->pl_from);
+ $this->mMissingRevIDs = array_keys( $remaining );
- // Bug 7304 workaround
- // ( http://bugzilla.wikipedia.org/show_bug.cgi?id=7304 )
- // A redirect page may have more than one link.
- // This code will only use the first link returned.
- if (isset ($redirectIds[$plfrom])) { // remove line when bug 7304 is fixed
-
- $titleStrFrom = $redirectIds[$plfrom]->getPrefixedText();
- $titleStrTo = Title :: makeTitle($row->pl_namespace, $row->pl_title)->getPrefixedText();
- unset ($redirectIds[$plfrom]); // remove line when bug 7304 is fixed
+ // Populate all the page information
+ $this->initFromPageIds( array_keys( $pageids ) );
+ }
- // Avoid an infinite loop by checking if we have already processed this target
- if (!isset ($this->mAllPages[$row->pl_namespace][$row->pl_title])) {
- $linkBatch->add($row->pl_namespace, $row->pl_title);
+ /**
+ * Resolve any redirects in the result if redirect resolution was
+ * requested. This function is called repeatedly until all redirects
+ * have been resolved.
+ */
+ private function resolvePendingRedirects() {
+ if ( $this->mResolveRedirects ) {
+ $db = $this->getDB();
+ $pageFlds = $this->getPageTableFields();
+
+ // Repeat until all redirects have been resolved
+ // The infinite loop is prevented by keeping all known pages in $this->mAllPages
+ while ( $this->mPendingRedirectIDs ) {
+ // Resolve redirects by querying the pagelinks table, and repeat the process
+ // Create a new linkBatch object for the next pass
+ $linkBatch = $this->getRedirectTargets();
+
+ if ( $linkBatch->isEmpty() ) {
+ break;
}
- } else {
- // This redirect page has more than one link.
- // This is very slow, but safer until bug 7304 is resolved
- $title = Title :: newFromID($plfrom);
- $titleStrFrom = $title->getPrefixedText();
-
- $article = new Article($title);
- $text = $article->getContent();
- $titleTo = Title :: newFromRedirect($text);
- $titleStrTo = $titleTo->getPrefixedText();
-
- if (is_null($titleStrTo))
- ApiBase :: dieDebug(__METHOD__, 'Bug7304 workaround: redir target from {$title->getPrefixedText()} not found');
-
- // Avoid an infinite loop by checking if we have already processed this target
- if (!isset ($this->mAllPages[$titleTo->getNamespace()][$titleTo->getDBkey()])) {
- $linkBatch->addObj($titleTo);
+
+ $set = $linkBatch->constructSet( 'page', $db );
+ if ( $set === false ) {
+ break;
}
+
+ // Get pageIDs data from the `page` table
+ $this->profileDBIn();
+ $res = $db->select( 'page', $pageFlds, $set, __METHOD__ );
+ $this->profileDBOut();
+
+ // Hack: get the ns:titles stored in array(ns => array(titles)) format
+ $this->initFromQueryResult( $res, $linkBatch->data, true );
}
+ }
+ }
+
+ /**
+ * Get the targets of the pending redirects from the database
+ *
+ * Also creates entries in the redirect table for redirects that don't
+ * have one.
+ * @return LinkBatch
+ */
+ private function getRedirectTargets() {
+ $lb = new LinkBatch();
+ $db = $this->getDB();
- $this->mRedirectTitles[$titleStrFrom] = $titleStrTo;
+ $this->profileDBIn();
+ $res = $db->select(
+ 'redirect',
+ array(
+ 'rd_from',
+ 'rd_namespace',
+ 'rd_title'
+ ), array( 'rd_from' => array_keys( $this->mPendingRedirectIDs ) ),
+ __METHOD__
+ );
+ $this->profileDBOut();
+
+ foreach ( $res as $row ) {
+ $rdfrom = intval( $row->rd_from );
+ $from = $this->mPendingRedirectIDs[$rdfrom]->getPrefixedText();
+ $to = Title::makeTitle( $row->rd_namespace, $row->rd_title )->getPrefixedText();
+ unset( $this->mPendingRedirectIDs[$rdfrom] );
+ if ( !isset( $this->mAllPages[$row->rd_namespace][$row->rd_title] ) ) {
+ $lb->add( $row->rd_namespace, $row->rd_title );
+ }
+ $this->mRedirectTitles[$from] = $to;
}
- $db->freeResult($res);
- return $linkBatch;
+ if ( $this->mPendingRedirectIDs ) {
+ // We found pages that aren't in the redirect table
+ // Add them
+ foreach ( $this->mPendingRedirectIDs as $id => $title ) {
+ $article = new Article( $title );
+ $rt = $article->insertRedirect();
+ if ( !$rt ) {
+ // What the hell. Let's just ignore this
+ continue;
+ }
+ $lb->addObj( $rt );
+ $this->mRedirectTitles[$title->getPrefixedText()] = $rt->getPrefixedText();
+ unset( $this->mPendingRedirectIDs[$id] );
+ }
+ }
+ return $lb;
}
/**
* Given an array of title strings, convert them into Title objects.
- * This method validates access rights for the title,
+ * Alternativelly, an array of Title objects may be given.
+ * This method validates access rights for the title,
* and appends normalization values to the output.
- *
- * @return LinkBatch of title objects.
+ *
+ * @param $titles array of Title objects or strings
+ * @return LinkBatch
*/
- private function processTitlesStrArray($titles) {
-
+ private function processTitlesArray( $titles ) {
$linkBatch = new LinkBatch();
- foreach ($titles as $titleString) {
- $titleObj = Title :: newFromText($titleString);
-
- // Validation
- if (!$titleObj)
- $this->dieUsage("bad title $titleString", 'invalidtitle');
- if ($titleObj->getNamespace() < 0)
- $this->dieUsage("No support for special page $titleString has been implemented", 'unsupportednamespace');
- if (!$titleObj->userCanRead())
- $this->dieUsage("No read permission for $titleString", 'titleaccessdenied');
+ foreach ( $titles as $title ) {
+ $titleObj = is_string( $title ) ? Title::newFromText( $title ) : $title;
+ if ( !$titleObj ) {
+ // Handle invalid titles gracefully
+ $this->mAllpages[0][$title] = $this->mFakePageId;
+ $this->mInvalidTitles[$this->mFakePageId] = $title;
+ $this->mFakePageId--;
+ continue; // There's nothing else we can do
+ }
+ $unconvertedTitle = $titleObj->getPrefixedText();
+ $titleWasConverted = false;
+ $iw = $titleObj->getInterwiki();
+ if ( strval( $iw ) !== '' ) {
+ // This title is an interwiki link.
+ $this->mInterwikiTitles[$titleObj->getPrefixedText()] = $iw;
+ } else {
+ // Variants checking
+ global $wgContLang;
+ if ( $this->mConvertTitles &&
+ count( $wgContLang->getVariants() ) > 1 &&
+ !$titleObj->exists() ) {
+ // Language::findVariantLink will modify titleObj into
+ // the canonical variant if possible
+ $wgContLang->findVariantLink( $title, $titleObj );
+ $titleWasConverted = $unconvertedTitle !== $titleObj->getPrefixedText();
+ }
- $linkBatch->addObj($titleObj);
+ if ( $titleObj->getNamespace() < 0 ) {
+ // Handle Special and Media pages
+ $titleObj = $titleObj->fixSpecialName();
+ $this->mSpecialTitles[$this->mFakePageId] = $titleObj;
+ $this->mFakePageId--;
+ } else {
+ // Regular page
+ $linkBatch->addObj( $titleObj );
+ }
+ }
- // Make sure we remember the original title that was given to us
- // This way the caller can correlate new titles with the originally requested,
- // i.e. namespace is localized or capitalization is different
- if ($titleString !== $titleObj->getPrefixedText()) {
- $this->mNormalizedTitles[$titleString] = $titleObj->getPrefixedText();
+ // Make sure we remember the original title that was
+ // given to us. This way the caller can correlate new
+ // titles with the originally requested when e.g. the
+ // namespace is localized or the capitalization is
+ // different
+ if ( $titleWasConverted ) {
+ $this->mConvertedTitles[$title] = $titleObj->getPrefixedText();
+ } elseif ( is_string( $title ) && $title !== $titleObj->getPrefixedText() ) {
+ $this->mNormalizedTitles[$title] = $titleObj->getPrefixedText();
}
}
return $linkBatch;
}
- private function populateRevIDs($revids) {
- $this->dieUsage(__METHOD__ . ' is not implemented', 'notimplemented');
- }
-
- public function execute() {
- $this->profileIn();
- $titles = $pageids = $revids = $redirects = null;
- extract($this->extractRequestParams());
-
- // Only one of the titles/pageids/revids is allowed at the same time
- $dataSource = null;
- if (isset ($titles))
- $dataSource = 'titles';
- if (isset ($pageids)) {
- if (isset ($dataSource))
- $this->dieUsage("Cannot use 'pageids' at the same time as '$dataSource'", 'multisource');
- $dataSource = 'pageids';
- }
- if (isset ($revids)) {
- if (isset ($dataSource))
- $this->dieUsage("Cannot use 'revids' at the same time as '$dataSource'", 'multisource');
- $dataSource = 'revids';
- }
-
- switch ($dataSource) {
- case 'titles' :
- case 'pageids' :
- $this->populatePages($titles, $pageids, $redirects);
- break;
- case 'revids' :
- $this->populateRevIDs($revids);
- break;
- default :
- // Do nothing - some queries do not need any of the data sources.
- break;
- }
- $this->profileOut();
- }
-
- /**
- * This method is used by generators to pass the list of pageIDs internaly
- */
- public function executeForPageIDs($pageIDs) {
- $this->profileIn();
- $pageIDs = array_map( 'intval', $pageIDs ); // paranoia
- $this->populatePages(null, $pageIDs, $this->getParameter('redirects'));
- $this->profileOut();
- }
-
protected function getAllowedParams() {
- return array (
- 'titles' => array (
- ApiBase :: PARAM_ISMULTI => true
+ return array(
+ 'titles' => array(
+ ApiBase::PARAM_ISMULTI => true
),
- 'pageids' => array (
- ApiBase :: PARAM_TYPE => 'integer',
- ApiBase :: PARAM_ISMULTI => true
+ 'pageids' => array(
+ ApiBase::PARAM_TYPE => 'integer',
+ ApiBase::PARAM_ISMULTI => true
),
- 'revids' => array (
- ApiBase :: PARAM_TYPE => 'integer',
- ApiBase :: PARAM_ISMULTI => true
- ),
- 'redirects' => false
+ 'revids' => array(
+ ApiBase::PARAM_TYPE => 'integer',
+ ApiBase::PARAM_ISMULTI => true
+ )
);
}
protected function getParamDescription() {
- return array (
+ return array(
'titles' => 'A list of titles to work on',
'pageids' => 'A list of page IDs to work on',
- 'revids' => 'A list of revision IDs to work on',
- 'redirects' => 'Automatically resolve redirects'
+ 'revids' => 'A list of revision IDs to work on'
);
}
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'code' => 'multisource', 'info' => "Cannot use 'pageids' at the same time as 'dataSource'" ),
+ array( 'code' => 'multisource', 'info' => "Cannot use 'revids' at the same time as 'dataSource'" ),
+ ) );
+ }
+
public function getVersion() {
return __CLASS__ . ': $Id$';
}
}
-?>
\ No newline at end of file
dépôts / lhc / web / wiklou.git / blobdiff