841 lines
25 KiB
PHP
841 lines
25 KiB
PHP
<?php
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/**
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* See docs/deferred.txt
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @todo document (e.g. one-sentence top-level class description).
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*/
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class LinksUpdate {
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/**@{{
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* @private
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*/
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var $mId, //!< Page ID of the article linked from
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$mTitle, //!< Title object of the article linked from
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$mLinks, //!< Map of title strings to IDs for the links in the document
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$mImages, //!< DB keys of the images used, in the array key only
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$mTemplates, //!< Map of title strings to IDs for the template references, including broken ones
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$mExternals, //!< URLs of external links, array key only
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$mCategories, //!< Map of category names to sort keys
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$mInterlangs, //!< Map of language codes to titles
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$mProperties, //!< Map of arbitrary name to value
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$mDb, //!< Database connection reference
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$mOptions, //!< SELECT options to be used (array)
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$mRecursive; //!< Whether to queue jobs for recursive updates
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/**@}}*/
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/**
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* Constructor
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*
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* @param $title Title of the page we're updating
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* @param $parserOutput ParserOutput: output from a full parse of this page
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* @param $recursive Boolean: queue jobs for recursive updates?
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*/
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function __construct( $title, $parserOutput, $recursive = true ) {
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global $wgAntiLockFlags;
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if ( $wgAntiLockFlags & ALF_NO_LINK_LOCK ) {
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$this->mOptions = array();
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} else {
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$this->mOptions = array( 'FOR UPDATE' );
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}
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$this->mDb = wfGetDB( DB_MASTER );
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if ( !is_object( $title ) ) {
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throw new MWException( "The calling convention to LinksUpdate::LinksUpdate() has changed. " .
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"Please see Article::editUpdates() for an invocation example.\n" );
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}
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$this->mTitle = $title;
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$this->mId = $title->getArticleID();
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$this->mParserOutput = $parserOutput;
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$this->mLinks = $parserOutput->getLinks();
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$this->mImages = $parserOutput->getImages();
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$this->mTemplates = $parserOutput->getTemplates();
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$this->mExternals = $parserOutput->getExternalLinks();
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$this->mCategories = $parserOutput->getCategories();
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$this->mProperties = $parserOutput->getProperties();
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$this->mInterwikis = $parserOutput->getInterwikiLinks();
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# Convert the format of the interlanguage links
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# I didn't want to change it in the ParserOutput, because that array is passed all
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# the way back to the skin, so either a skin API break would be required, or an
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# inefficient back-conversion.
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$ill = $parserOutput->getLanguageLinks();
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$this->mInterlangs = array();
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foreach ( $ill as $link ) {
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list( $key, $title ) = explode( ':', $link, 2 );
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$this->mInterlangs[$key] = $title;
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}
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foreach ( $this->mCategories as &$sortkey ) {
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# If the sortkey is longer then 255 bytes,
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# it truncated by DB, and then doesn't get
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# matched when comparing existing vs current
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# categories, causing bug 25254.
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# Also. substr behaves weird when given "".
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if ( $sortkey !== '' ) {
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$sortkey = substr( $sortkey, 0, 255 );
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}
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}
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$this->mRecursive = $recursive;
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wfRunHooks( 'LinksUpdateConstructed', array( &$this ) );
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}
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/**
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* Update link tables with outgoing links from an updated article
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*/
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public function doUpdate() {
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global $wgUseDumbLinkUpdate;
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wfRunHooks( 'LinksUpdate', array( &$this ) );
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if ( $wgUseDumbLinkUpdate ) {
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$this->doDumbUpdate();
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} else {
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$this->doIncrementalUpdate();
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}
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wfRunHooks( 'LinksUpdateComplete', array( &$this ) );
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}
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protected function doIncrementalUpdate() {
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wfProfileIn( __METHOD__ );
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# Page links
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$existing = $this->getExistingLinks();
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$this->incrTableUpdate( 'pagelinks', 'pl', $this->getLinkDeletions( $existing ),
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$this->getLinkInsertions( $existing ) );
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# Image links
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$existing = $this->getExistingImages();
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$imageDeletes = $this->getImageDeletions( $existing );
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$this->incrTableUpdate( 'imagelinks', 'il', $imageDeletes,
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$this->getImageInsertions( $existing ) );
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# Invalidate all image description pages which had links added or removed
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$imageUpdates = $imageDeletes + array_diff_key( $this->mImages, $existing );
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$this->invalidateImageDescriptions( $imageUpdates );
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# External links
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$existing = $this->getExistingExternals();
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$this->incrTableUpdate( 'externallinks', 'el', $this->getExternalDeletions( $existing ),
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$this->getExternalInsertions( $existing ) );
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# Language links
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$existing = $this->getExistingInterlangs();
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$this->incrTableUpdate( 'langlinks', 'll', $this->getInterlangDeletions( $existing ),
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$this->getInterlangInsertions( $existing ) );
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# Inline interwiki links
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$existing = $this->getExistingInterwikis();
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$this->incrTableUpdate( 'iwlinks', 'iwl', $this->getInterwikiDeletions( $existing ),
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$this->getInterwikiInsertions( $existing ) );
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# Template links
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$existing = $this->getExistingTemplates();
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$this->incrTableUpdate( 'templatelinks', 'tl', $this->getTemplateDeletions( $existing ),
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$this->getTemplateInsertions( $existing ) );
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# Category links
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$existing = $this->getExistingCategories();
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$categoryDeletes = $this->getCategoryDeletions( $existing );
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$this->incrTableUpdate( 'categorylinks', 'cl', $categoryDeletes,
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$this->getCategoryInsertions( $existing ) );
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# Invalidate all categories which were added, deleted or changed (set symmetric difference)
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$categoryInserts = array_diff_assoc( $this->mCategories, $existing );
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$categoryUpdates = $categoryInserts + $categoryDeletes;
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$this->invalidateCategories( $categoryUpdates );
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$this->updateCategoryCounts( $categoryInserts, $categoryDeletes );
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# Page properties
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$existing = $this->getExistingProperties();
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$propertiesDeletes = $this->getPropertyDeletions( $existing );
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$this->incrTableUpdate( 'page_props', 'pp', $propertiesDeletes,
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$this->getPropertyInsertions( $existing ) );
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# Invalidate the necessary pages
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$changed = $propertiesDeletes + array_diff_assoc( $this->mProperties, $existing );
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$this->invalidateProperties( $changed );
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# Refresh links of all pages including this page
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# This will be in a separate transaction
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if ( $this->mRecursive ) {
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$this->queueRecursiveJobs();
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}
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wfProfileOut( __METHOD__ );
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}
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/**
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* Link update which clears the previous entries and inserts new ones
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* May be slower or faster depending on level of lock contention and write speed of DB
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* Also useful where link table corruption needs to be repaired, e.g. in refreshLinks.php
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*/
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protected function doDumbUpdate() {
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wfProfileIn( __METHOD__ );
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# Refresh category pages and image description pages
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$existing = $this->getExistingCategories();
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$categoryInserts = array_diff_assoc( $this->mCategories, $existing );
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$categoryDeletes = array_diff_assoc( $existing, $this->mCategories );
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$categoryUpdates = $categoryInserts + $categoryDeletes;
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$existing = $this->getExistingImages();
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$imageUpdates = array_diff_key( $existing, $this->mImages ) + array_diff_key( $this->mImages, $existing );
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$this->dumbTableUpdate( 'pagelinks', $this->getLinkInsertions(), 'pl_from' );
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$this->dumbTableUpdate( 'imagelinks', $this->getImageInsertions(), 'il_from' );
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$this->dumbTableUpdate( 'categorylinks', $this->getCategoryInsertions(), 'cl_from' );
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$this->dumbTableUpdate( 'templatelinks', $this->getTemplateInsertions(), 'tl_from' );
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$this->dumbTableUpdate( 'externallinks', $this->getExternalInsertions(), 'el_from' );
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$this->dumbTableUpdate( 'langlinks', $this->getInterlangInsertions(),'ll_from' );
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$this->dumbTableUpdate( 'iwlinks', $this->getInterwikiInsertions(),'iwl_from' );
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$this->dumbTableUpdate( 'page_props', $this->getPropertyInsertions(), 'pp_page' );
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# Update the cache of all the category pages and image description
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# pages which were changed, and fix the category table count
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$this->invalidateCategories( $categoryUpdates );
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$this->updateCategoryCounts( $categoryInserts, $categoryDeletes );
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$this->invalidateImageDescriptions( $imageUpdates );
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# Refresh links of all pages including this page
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# This will be in a separate transaction
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if ( $this->mRecursive ) {
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$this->queueRecursiveJobs();
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}
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wfProfileOut( __METHOD__ );
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}
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function queueRecursiveJobs() {
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global $wgUpdateRowsPerJob;
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wfProfileIn( __METHOD__ );
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$cache = $this->mTitle->getBacklinkCache();
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$batches = $cache->partition( 'templatelinks', $wgUpdateRowsPerJob );
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if ( !$batches ) {
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wfProfileOut( __METHOD__ );
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return;
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}
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$jobs = array();
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foreach ( $batches as $batch ) {
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list( $start, $end ) = $batch;
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$params = array(
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'table' => 'templatelinks',
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'start' => $start,
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'end' => $end,
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);
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$jobs[] = new RefreshLinksJob2( $this->mTitle, $params );
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}
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Job::batchInsert( $jobs );
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wfProfileOut( __METHOD__ );
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}
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/**
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* Invalidate the cache of a list of pages from a single namespace
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*
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* @param $namespace Integer
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* @param $dbkeys Array
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*/
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function invalidatePages( $namespace, $dbkeys ) {
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if ( !count( $dbkeys ) ) {
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return;
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}
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/**
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* Determine which pages need to be updated
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* This is necessary to prevent the job queue from smashing the DB with
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* large numbers of concurrent invalidations of the same page
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*/
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$now = $this->mDb->timestamp();
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$ids = array();
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$res = $this->mDb->select( 'page', array( 'page_id' ),
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array(
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'page_namespace' => $namespace,
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'page_title IN (' . $this->mDb->makeList( $dbkeys ) . ')',
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'page_touched < ' . $this->mDb->addQuotes( $now )
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), __METHOD__
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);
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foreach ( $res as $row ) {
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$ids[] = $row->page_id;
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}
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if ( !count( $ids ) ) {
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return;
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}
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/**
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* Do the update
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* We still need the page_touched condition, in case the row has changed since
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* the non-locking select above.
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*/
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$this->mDb->update( 'page', array( 'page_touched' => $now ),
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array(
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'page_id IN (' . $this->mDb->makeList( $ids ) . ')',
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'page_touched < ' . $this->mDb->addQuotes( $now )
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), __METHOD__
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);
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}
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/**
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* @param $cats
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*/
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function invalidateCategories( $cats ) {
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$this->invalidatePages( NS_CATEGORY, array_keys( $cats ) );
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}
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/**
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* Update all the appropriate counts in the category table.
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* @param $added array associative array of category name => sort key
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* @param $deleted array associative array of category name => sort key
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*/
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function updateCategoryCounts( $added, $deleted ) {
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$a = WikiPage::factory( $this->mTitle );
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$a->updateCategoryCounts(
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array_keys( $added ), array_keys( $deleted )
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);
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}
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/**
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* @param $images
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*/
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function invalidateImageDescriptions( $images ) {
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$this->invalidatePages( NS_FILE, array_keys( $images ) );
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}
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/**
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* @param $table
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* @param $insertions
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* @param $fromField
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*/
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private function dumbTableUpdate( $table, $insertions, $fromField ) {
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$this->mDb->delete( $table, array( $fromField => $this->mId ), __METHOD__ );
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if ( count( $insertions ) ) {
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# The link array was constructed without FOR UPDATE, so there may
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# be collisions. This may cause minor link table inconsistencies,
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# which is better than crippling the site with lock contention.
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$this->mDb->insert( $table, $insertions, __METHOD__, array( 'IGNORE' ) );
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}
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}
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/**
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* Update a table by doing a delete query then an insert query
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* @param $table
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* @param $prefix
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* @param $deletions
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* @param $insertions
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*/
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function incrTableUpdate( $table, $prefix, $deletions, $insertions ) {
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if ( $table == 'page_props' ) {
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$fromField = 'pp_page';
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} else {
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$fromField = "{$prefix}_from";
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}
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$where = array( $fromField => $this->mId );
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if ( $table == 'pagelinks' || $table == 'templatelinks' || $table == 'iwlinks' ) {
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if ( $table == 'iwlinks' ) {
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$baseKey = 'iwl_prefix';
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} else {
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$baseKey = "{$prefix}_namespace";
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}
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$clause = $this->mDb->makeWhereFrom2d( $deletions, $baseKey, "{$prefix}_title" );
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if ( $clause ) {
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$where[] = $clause;
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} else {
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$where = false;
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}
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} else {
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if ( $table == 'langlinks' ) {
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$toField = 'll_lang';
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} elseif ( $table == 'page_props' ) {
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$toField = 'pp_propname';
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} else {
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$toField = $prefix . '_to';
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}
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if ( count( $deletions ) ) {
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$where[] = "$toField IN (" . $this->mDb->makeList( array_keys( $deletions ) ) . ')';
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} else {
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$where = false;
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}
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}
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if ( $where ) {
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$this->mDb->delete( $table, $where, __METHOD__ );
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}
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if ( count( $insertions ) ) {
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$this->mDb->insert( $table, $insertions, __METHOD__, 'IGNORE' );
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}
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}
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/**
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* Get an array of pagelinks insertions for passing to the DB
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* Skips the titles specified by the 2-D array $existing
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* @param $existing array
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* @return array
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*/
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private function getLinkInsertions( $existing = array() ) {
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$arr = array();
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foreach( $this->mLinks as $ns => $dbkeys ) {
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$diffs = isset( $existing[$ns] )
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? array_diff_key( $dbkeys, $existing[$ns] )
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: $dbkeys;
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foreach ( $diffs as $dbk => $id ) {
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$arr[] = array(
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'pl_from' => $this->mId,
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'pl_namespace' => $ns,
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'pl_title' => $dbk
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);
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}
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}
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return $arr;
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}
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/**
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* Get an array of template insertions. Like getLinkInsertions()
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* @param $existing array
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* @return array
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*/
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private function getTemplateInsertions( $existing = array() ) {
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$arr = array();
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foreach( $this->mTemplates as $ns => $dbkeys ) {
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$diffs = isset( $existing[$ns] ) ? array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;
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foreach ( $diffs as $dbk => $id ) {
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$arr[] = array(
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'tl_from' => $this->mId,
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'tl_namespace' => $ns,
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'tl_title' => $dbk
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);
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}
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}
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return $arr;
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}
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/**
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* Get an array of image insertions
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* Skips the names specified in $existing
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* @param $existing array
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* @return array
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*/
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private function getImageInsertions( $existing = array() ) {
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$arr = array();
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$diffs = array_diff_key( $this->mImages, $existing );
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foreach( $diffs as $iname => $dummy ) {
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$arr[] = array(
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'il_from' => $this->mId,
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'il_to' => $iname
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);
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}
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return $arr;
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}
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/**
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* Get an array of externallinks insertions. Skips the names specified in $existing
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* @param $existing array
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* @return array
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*/
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private function getExternalInsertions( $existing = array() ) {
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$arr = array();
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$diffs = array_diff_key( $this->mExternals, $existing );
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foreach( $diffs as $url => $dummy ) {
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foreach( wfMakeUrlIndexes( $url ) as $index ) {
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$arr[] = array(
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'el_from' => $this->mId,
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'el_to' => $url,
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'el_index' => $index,
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);
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}
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}
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return $arr;
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}
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/**
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* Get an array of category insertions
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*
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* @param $existing array mapping existing category names to sort keys. If both
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* match a link in $this, the link will be omitted from the output
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*
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* @return array
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*/
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private function getCategoryInsertions( $existing = array() ) {
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global $wgContLang, $wgCategoryCollation;
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$diffs = array_diff_assoc( $this->mCategories, $existing );
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$arr = array();
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foreach ( $diffs as $name => $prefix ) {
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$nt = Title::makeTitleSafe( NS_CATEGORY, $name );
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$wgContLang->findVariantLink( $name, $nt, true );
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if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
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$type = 'subcat';
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} elseif ( $this->mTitle->getNamespace() == NS_FILE ) {
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$type = 'file';
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} else {
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$type = 'page';
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}
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# Treat custom sortkeys as a prefix, so that if multiple
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# things are forced to sort as '*' or something, they'll
|
|
# sort properly in the category rather than in page_id
|
|
# order or such.
|
|
$sortkey = Collation::singleton()->getSortKey(
|
|
$this->mTitle->getCategorySortkey( $prefix ) );
|
|
|
|
$arr[] = array(
|
|
'cl_from' => $this->mId,
|
|
'cl_to' => $name,
|
|
'cl_sortkey' => $sortkey,
|
|
'cl_timestamp' => $this->mDb->timestamp(),
|
|
'cl_sortkey_prefix' => $prefix,
|
|
'cl_collation' => $wgCategoryCollation,
|
|
'cl_type' => $type,
|
|
);
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of interlanguage link insertions
|
|
*
|
|
* @param $existing Array mapping existing language codes to titles
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getInterlangInsertions( $existing = array() ) {
|
|
$diffs = array_diff_assoc( $this->mInterlangs, $existing );
|
|
$arr = array();
|
|
foreach( $diffs as $lang => $title ) {
|
|
$arr[] = array(
|
|
'll_from' => $this->mId,
|
|
'll_lang' => $lang,
|
|
'll_title' => $title
|
|
);
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of page property insertions
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
function getPropertyInsertions( $existing = array() ) {
|
|
$diffs = array_diff_assoc( $this->mProperties, $existing );
|
|
$arr = array();
|
|
foreach ( $diffs as $name => $value ) {
|
|
$arr[] = array(
|
|
'pp_page' => $this->mId,
|
|
'pp_propname' => $name,
|
|
'pp_value' => $value,
|
|
);
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of interwiki insertions for passing to the DB
|
|
* Skips the titles specified by the 2-D array $existing
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getInterwikiInsertions( $existing = array() ) {
|
|
$arr = array();
|
|
foreach( $this->mInterwikis as $prefix => $dbkeys ) {
|
|
$diffs = isset( $existing[$prefix] ) ? array_diff_key( $dbkeys, $existing[$prefix] ) : $dbkeys;
|
|
foreach ( $diffs as $dbk => $id ) {
|
|
$arr[] = array(
|
|
'iwl_from' => $this->mId,
|
|
'iwl_prefix' => $prefix,
|
|
'iwl_title' => $dbk
|
|
);
|
|
}
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing links, returns those links which are not in $this
|
|
* and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getLinkDeletions( $existing ) {
|
|
$del = array();
|
|
foreach ( $existing as $ns => $dbkeys ) {
|
|
if ( isset( $this->mLinks[$ns] ) ) {
|
|
$del[$ns] = array_diff_key( $existing[$ns], $this->mLinks[$ns] );
|
|
} else {
|
|
$del[$ns] = $existing[$ns];
|
|
}
|
|
}
|
|
return $del;
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing templates, returns those templates which are not in $this
|
|
* and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getTemplateDeletions( $existing ) {
|
|
$del = array();
|
|
foreach ( $existing as $ns => $dbkeys ) {
|
|
if ( isset( $this->mTemplates[$ns] ) ) {
|
|
$del[$ns] = array_diff_key( $existing[$ns], $this->mTemplates[$ns] );
|
|
} else {
|
|
$del[$ns] = $existing[$ns];
|
|
}
|
|
}
|
|
return $del;
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing images, returns those images which are not in $this
|
|
* and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getImageDeletions( $existing ) {
|
|
return array_diff_key( $existing, $this->mImages );
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing external links, returns those links which are not
|
|
* in $this and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getExternalDeletions( $existing ) {
|
|
return array_diff_key( $existing, $this->mExternals );
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing categories, returns those categories which are not in $this
|
|
* and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getCategoryDeletions( $existing ) {
|
|
return array_diff_assoc( $existing, $this->mCategories );
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing interlanguage links, returns those links which are not
|
|
* in $this and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getInterlangDeletions( $existing ) {
|
|
return array_diff_assoc( $existing, $this->mInterlangs );
|
|
}
|
|
|
|
/**
|
|
* Get array of properties which should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
function getPropertyDeletions( $existing ) {
|
|
return array_diff_assoc( $existing, $this->mProperties );
|
|
}
|
|
|
|
/**
|
|
* Given an array of existing interwiki links, returns those links which are not in $this
|
|
* and thus should be deleted.
|
|
* @param $existing array
|
|
* @return array
|
|
*/
|
|
private function getInterwikiDeletions( $existing ) {
|
|
$del = array();
|
|
foreach ( $existing as $prefix => $dbkeys ) {
|
|
if ( isset( $this->mInterwikis[$prefix] ) ) {
|
|
$del[$prefix] = array_diff_key( $existing[$prefix], $this->mInterwikis[$prefix] );
|
|
} else {
|
|
$del[$prefix] = $existing[$prefix];
|
|
}
|
|
}
|
|
return $del;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing links, as a 2-D array
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingLinks() {
|
|
$res = $this->mDb->select( 'pagelinks', array( 'pl_namespace', 'pl_title' ),
|
|
array( 'pl_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
if ( !isset( $arr[$row->pl_namespace] ) ) {
|
|
$arr[$row->pl_namespace] = array();
|
|
}
|
|
$arr[$row->pl_namespace][$row->pl_title] = 1;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing templates, as a 2-D array
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingTemplates() {
|
|
$res = $this->mDb->select( 'templatelinks', array( 'tl_namespace', 'tl_title' ),
|
|
array( 'tl_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
if ( !isset( $arr[$row->tl_namespace] ) ) {
|
|
$arr[$row->tl_namespace] = array();
|
|
}
|
|
$arr[$row->tl_namespace][$row->tl_title] = 1;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing images, image names in the keys
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingImages() {
|
|
$res = $this->mDb->select( 'imagelinks', array( 'il_to' ),
|
|
array( 'il_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
$arr[$row->il_to] = 1;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing external links, URLs in the keys
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingExternals() {
|
|
$res = $this->mDb->select( 'externallinks', array( 'el_to' ),
|
|
array( 'el_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
$arr[$row->el_to] = 1;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing categories, with the name in the key and sort key in the value.
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingCategories() {
|
|
$res = $this->mDb->select( 'categorylinks', array( 'cl_to', 'cl_sortkey_prefix' ),
|
|
array( 'cl_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
$arr[$row->cl_to] = $row->cl_sortkey_prefix;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing interlanguage links, with the language code in the key and the
|
|
* title in the value.
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingInterlangs() {
|
|
$res = $this->mDb->select( 'langlinks', array( 'll_lang', 'll_title' ),
|
|
array( 'll_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
$arr[$row->ll_lang] = $row->ll_title;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing inline interwiki links, as a 2-D array
|
|
* @return array (prefix => array(dbkey => 1))
|
|
*/
|
|
protected function getExistingInterwikis() {
|
|
$res = $this->mDb->select( 'iwlinks', array( 'iwl_prefix', 'iwl_title' ),
|
|
array( 'iwl_from' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
if ( !isset( $arr[$row->iwl_prefix] ) ) {
|
|
$arr[$row->iwl_prefix] = array();
|
|
}
|
|
$arr[$row->iwl_prefix][$row->iwl_title] = 1;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Get an array of existing categories, with the name in the key and sort key in the value.
|
|
*
|
|
* @return array
|
|
*/
|
|
private function getExistingProperties() {
|
|
$res = $this->mDb->select( 'page_props', array( 'pp_propname', 'pp_value' ),
|
|
array( 'pp_page' => $this->mId ), __METHOD__, $this->mOptions );
|
|
$arr = array();
|
|
foreach ( $res as $row ) {
|
|
$arr[$row->pp_propname] = $row->pp_value;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Return the title object of the page being updated
|
|
* @return Title
|
|
*/
|
|
public function getTitle() {
|
|
return $this->mTitle;
|
|
}
|
|
|
|
/**
|
|
* Return the list of images used as generated by the parser
|
|
* @return array
|
|
*/
|
|
public function getImages() {
|
|
return $this->mImages;
|
|
}
|
|
|
|
/**
|
|
* Invalidate any necessary link lists related to page property changes
|
|
* @param $changed
|
|
*/
|
|
private function invalidateProperties( $changed ) {
|
|
global $wgPagePropLinkInvalidations;
|
|
|
|
foreach ( $changed as $name => $value ) {
|
|
if ( isset( $wgPagePropLinkInvalidations[$name] ) ) {
|
|
$inv = $wgPagePropLinkInvalidations[$name];
|
|
if ( !is_array( $inv ) ) {
|
|
$inv = array( $inv );
|
|
}
|
|
foreach ( $inv as $table ) {
|
|
$update = new HTMLCacheUpdate( $this->mTitle, $table );
|
|
$update->doUpdate();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|