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diff --git a/www/wiki/includes/actions/InfoAction.php b/www/wiki/includes/actions/InfoAction.php
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+<?php
+/**
+ * Displays information about a page.
+ *
+ * Copyright © 2011 Alexandre Emsenhuber
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * @file
+ * @ingroup Actions
+ */
+
+use MediaWiki\MediaWikiServices;
+use Wikimedia\Rdbms\Database;
+
+/**
+ * Displays information about a page.
+ *
+ * @ingroup Actions
+ */
+class InfoAction extends FormlessAction {
+ const VERSION = 1;
+
+ /**
+ * Returns the name of the action this object responds to.
+ *
+ * @return string Lowercase name
+ */
+ public function getName() {
+ return 'info';
+ }
+
+ /**
+ * Whether this action can still be executed by a blocked user.
+ *
+ * @return bool
+ */
+ public function requiresUnblock() {
+ return false;
+ }
+
+ /**
+ * Whether this action requires the wiki not to be locked.
+ *
+ * @return bool
+ */
+ public function requiresWrite() {
+ return false;
+ }
+
+ /**
+ * Clear the info cache for a given Title.
+ *
+ * @since 1.22
+ * @param Title $title Title to clear cache for
+ * @param int|null $revid Revision id to clear
+ */
+ public static function invalidateCache( Title $title, $revid = null ) {
+ if ( !$revid ) {
+ $revision = Revision::newFromTitle( $title, 0, Revision::READ_LATEST );
+ $revid = $revision ? $revision->getId() : null;
+ }
+ if ( $revid !== null ) {
+ $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+ $key = self::getCacheKey( $cache, $title, $revid );
+ $cache->delete( $key );
+ }
+ }
+
+ /**
+ * Shows page information on GET request.
+ *
+ * @return string Page information that will be added to the output
+ */
+ public function onView() {
+ $content = '';
+
+ // Validate revision
+ $oldid = $this->page->getOldID();
+ if ( $oldid ) {
+ $revision = $this->page->getRevisionFetched();
+
+ // Revision is missing
+ if ( $revision === null ) {
+ return $this->msg( 'missing-revision', $oldid )->parse();
+ }
+
+ // Revision is not current
+ if ( !$revision->isCurrent() ) {
+ return $this->msg( 'pageinfo-not-current' )->plain();
+ }
+ }
+
+ // Page header
+ if ( !$this->msg( 'pageinfo-header' )->isDisabled() ) {
+ $content .= $this->msg( 'pageinfo-header' )->parse();
+ }
+
+ // Hide "This page is a member of # hidden categories" explanation
+ $content .= Html::element( 'style', [],
+ '.mw-hiddenCategoriesExplanation { display: none; }' ) . "\n";
+
+ // Hide "Templates used on this page" explanation
+ $content .= Html::element( 'style', [],
+ '.mw-templatesUsedExplanation { display: none; }' ) . "\n";
+
+ // Get page information
+ $pageInfo = $this->pageInfo();
+
+ // Allow extensions to add additional information
+ Hooks::run( 'InfoAction', [ $this->getContext(), &$pageInfo ] );
+
+ // Render page information
+ foreach ( $pageInfo as $header => $infoTable ) {
+ // Messages:
+ // pageinfo-header-basic, pageinfo-header-edits, pageinfo-header-restrictions,
+ // pageinfo-header-properties, pageinfo-category-info
+ $content .= $this->makeHeader(
+ $this->msg( "pageinfo-${header}" )->text(),
+ "mw-pageinfo-${header}"
+ ) . "\n";
+ $table = "\n";
+ foreach ( $infoTable as $infoRow ) {
+ $name = ( $infoRow[0] instanceof Message ) ? $infoRow[0]->escaped() : $infoRow[0];
+ $value = ( $infoRow[1] instanceof Message ) ? $infoRow[1]->escaped() : $infoRow[1];
+ $id = ( $infoRow[0] instanceof Message ) ? $infoRow[0]->getKey() : null;
+ $table = $this->addRow( $table, $name, $value, $id ) . "\n";
+ }
+ $content = $this->addTable( $content, $table ) . "\n";
+ }
+
+ // Page footer
+ if ( !$this->msg( 'pageinfo-footer' )->isDisabled() ) {
+ $content .= $this->msg( 'pageinfo-footer' )->parse();
+ }
+
+ return $content;
+ }
+
+ /**
+ * Creates a header that can be added to the output.
+ *
+ * @param string $header The header text.
+ * @param string $canonicalId
+ * @return string The HTML.
+ */
+ protected function makeHeader( $header, $canonicalId ) {
+ $spanAttribs = [ 'class' => 'mw-headline', 'id' => Sanitizer::escapeIdForAttribute( $header ) ];
+ $h2Attribs = [ 'id' => Sanitizer::escapeIdForAttribute( $canonicalId ) ];
+
+ return Html::rawElement( 'h2', $h2Attribs, Html::element( 'span', $spanAttribs, $header ) );
+ }
+
+ /**
+ * Adds a row to a table that will be added to the content.
+ *
+ * @param string $table The table that will be added to the content
+ * @param string $name The name of the row
+ * @param string $value The value of the row
+ * @param string $id The ID to use for the 'tr' element
+ * @return string The table with the row added
+ */
+ protected function addRow( $table, $name, $value, $id ) {
+ return $table .
+ Html::rawElement(
+ 'tr',
+ $id === null ? [] : [ 'id' => 'mw-' . $id ],
+ Html::rawElement( 'td', [ 'style' => 'vertical-align: top;' ], $name ) .
+ Html::rawElement( 'td', [], $value )
+ );
+ }
+
+ /**
+ * Adds a table to the content that will be added to the output.
+ *
+ * @param string $content The content that will be added to the output
+ * @param string $table
+ * @return string The content with the table added
+ */
+ protected function addTable( $content, $table ) {
+ return $content . Html::rawElement( 'table', [ 'class' => 'wikitable mw-page-info' ],
+ $table );
+ }
+
+ /**
+ * Returns page information in an easily-manipulated format. Array keys are used so extensions
+ * may add additional information in arbitrary positions. Array values are arrays with one
+ * element to be rendered as a header, arrays with two elements to be rendered as a table row.
+ *
+ * @return array
+ */
+ protected function pageInfo() {
+ global $wgContLang;
+
+ $user = $this->getUser();
+ $lang = $this->getLanguage();
+ $title = $this->getTitle();
+ $id = $title->getArticleID();
+ $config = $this->context->getConfig();
+ $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
+
+ $pageCounts = $this->pageCounts( $this->page );
+
+ $pageProperties = [];
+ $props = PageProps::getInstance()->getAllProperties( $title );
+ if ( isset( $props[$id] ) ) {
+ $pageProperties = $props[$id];
+ }
+
+ // Basic information
+ $pageInfo = [];
+ $pageInfo['header-basic'] = [];
+
+ // Display title
+ $displayTitle = $title->getPrefixedText();
+ if ( isset( $pageProperties['displaytitle'] ) ) {
+ $displayTitle = $pageProperties['displaytitle'];
+ }
+
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-display-title' ), $displayTitle
+ ];
+
+ // Is it a redirect? If so, where to?
+ if ( $title->isRedirect() ) {
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-redirectsto' ),
+ $linkRenderer->makeLink( $this->page->getRedirectTarget() ) .
+ $this->msg( 'word-separator' )->escaped() .
+ $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink(
+ $this->page->getRedirectTarget(),
+ $this->msg( 'pageinfo-redirectsto-info' )->text(),
+ [],
+ [ 'action' => 'info' ]
+ ) )->escaped()
+ ];
+ }
+
+ // Default sort key
+ $sortKey = $title->getCategorySortkey();
+ if ( isset( $pageProperties['defaultsort'] ) ) {
+ $sortKey = $pageProperties['defaultsort'];
+ }
+
+ $sortKey = htmlspecialchars( $sortKey );
+ $pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-default-sort' ), $sortKey ];
+
+ // Page length (in bytes)
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-length' ), $lang->formatNum( $title->getLength() )
+ ];
+
+ // Page ID (number not localised, as it's a database ID)
+ $pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-article-id' ), $id ];
+
+ // Language in which the page content is (supposed to be) written
+ $pageLang = $title->getPageLanguage()->getCode();
+
+ $pageLangHtml = $pageLang . ' - ' .
+ Language::fetchLanguageName( $pageLang, $lang->getCode() );
+ // Link to Special:PageLanguage with pre-filled page title if user has permissions
+ if ( $config->get( 'PageLanguageUseDB' )
+ && $title->userCan( 'pagelang', $user )
+ ) {
+ $pageLangHtml .= ' ' . $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink(
+ SpecialPage::getTitleValueFor( 'PageLanguage', $title->getPrefixedText() ),
+ $this->msg( 'pageinfo-language-change' )->text()
+ ) )->escaped();
+ }
+
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-language' )->escaped(),
+ $pageLangHtml
+ ];
+
+ // Content model of the page
+ $modelHtml = htmlspecialchars( ContentHandler::getLocalizedName( $title->getContentModel() ) );
+ // If the user can change it, add a link to Special:ChangeContentModel
+ if ( $config->get( 'ContentHandlerUseDB' )
+ && $title->userCan( 'editcontentmodel', $user )
+ ) {
+ $modelHtml .= ' ' . $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink(
+ SpecialPage::getTitleValueFor( 'ChangeContentModel', $title->getPrefixedText() ),
+ $this->msg( 'pageinfo-content-model-change' )->text()
+ ) )->escaped();
+ }
+
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-content-model' ),
+ $modelHtml
+ ];
+
+ if ( $title->inNamespace( NS_USER ) ) {
+ $pageUser = User::newFromName( $title->getRootText() );
+ if ( $pageUser && $pageUser->getId() && !$pageUser->isHidden() ) {
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-user-id' ),
+ $pageUser->getId()
+ ];
+ }
+ }
+
+ // Search engine status
+ $pOutput = new ParserOutput();
+ if ( isset( $pageProperties['noindex'] ) ) {
+ $pOutput->setIndexPolicy( 'noindex' );
+ }
+ if ( isset( $pageProperties['index'] ) ) {
+ $pOutput->setIndexPolicy( 'index' );
+ }
+
+ // Use robot policy logic
+ $policy = $this->page->getRobotPolicy( 'view', $pOutput );
+ $pageInfo['header-basic'][] = [
+ // Messages: pageinfo-robot-index, pageinfo-robot-noindex
+ $this->msg( 'pageinfo-robot-policy' ),
+ $this->msg( "pageinfo-robot-${policy['index']}" )
+ ];
+
+ $unwatchedPageThreshold = $config->get( 'UnwatchedPageThreshold' );
+ if (
+ $user->isAllowed( 'unwatchedpages' ) ||
+ ( $unwatchedPageThreshold !== false &&
+ $pageCounts['watchers'] >= $unwatchedPageThreshold )
+ ) {
+ // Number of page watchers
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-watchers' ),
+ $lang->formatNum( $pageCounts['watchers'] )
+ ];
+ if (
+ $config->get( 'ShowUpdatedMarker' ) &&
+ isset( $pageCounts['visitingWatchers'] )
+ ) {
+ $minToDisclose = $config->get( 'UnwatchedPageSecret' );
+ if ( $pageCounts['visitingWatchers'] > $minToDisclose ||
+ $user->isAllowed( 'unwatchedpages' ) ) {
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-visiting-watchers' ),
+ $lang->formatNum( $pageCounts['visitingWatchers'] )
+ ];
+ } else {
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-visiting-watchers' ),
+ $this->msg( 'pageinfo-few-visiting-watchers' )
+ ];
+ }
+ }
+ } elseif ( $unwatchedPageThreshold !== false ) {
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-watchers' ),
+ $this->msg( 'pageinfo-few-watchers' )->numParams( $unwatchedPageThreshold )
+ ];
+ }
+
+ // Redirects to this page
+ $whatLinksHere = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() );
+ $pageInfo['header-basic'][] = [
+ $linkRenderer->makeLink(
+ $whatLinksHere,
+ $this->msg( 'pageinfo-redirects-name' )->text(),
+ [],
+ [
+ 'hidelinks' => 1,
+ 'hidetrans' => 1,
+ 'hideimages' => $title->getNamespace() == NS_FILE
+ ]
+ ),
+ $this->msg( 'pageinfo-redirects-value' )
+ ->numParams( count( $title->getRedirectsHere() ) )
+ ];
+
+ // Is it counted as a content page?
+ if ( $this->page->isCountable() ) {
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-contentpage' ),
+ $this->msg( 'pageinfo-contentpage-yes' )
+ ];
+ }
+
+ // Subpages of this page, if subpages are enabled for the current NS
+ if ( MWNamespace::hasSubpages( $title->getNamespace() ) ) {
+ $prefixIndex = SpecialPage::getTitleFor(
+ 'Prefixindex', $title->getPrefixedText() . '/' );
+ $pageInfo['header-basic'][] = [
+ $linkRenderer->makeLink(
+ $prefixIndex,
+ $this->msg( 'pageinfo-subpages-name' )->text()
+ ),
+ $this->msg( 'pageinfo-subpages-value' )
+ ->numParams(
+ $pageCounts['subpages']['total'],
+ $pageCounts['subpages']['redirects'],
+ $pageCounts['subpages']['nonredirects'] )
+ ];
+ }
+
+ if ( $title->inNamespace( NS_CATEGORY ) ) {
+ $category = Category::newFromTitle( $title );
+
+ // $allCount is the total number of cat members,
+ // not the count of how many members are normal pages.
+ $allCount = (int)$category->getPageCount();
+ $subcatCount = (int)$category->getSubcatCount();
+ $fileCount = (int)$category->getFileCount();
+ $pagesCount = $allCount - $subcatCount - $fileCount;
+
+ $pageInfo['category-info'] = [
+ [
+ $this->msg( 'pageinfo-category-total' ),
+ $lang->formatNum( $allCount )
+ ],
+ [
+ $this->msg( 'pageinfo-category-pages' ),
+ $lang->formatNum( $pagesCount )
+ ],
+ [
+ $this->msg( 'pageinfo-category-subcats' ),
+ $lang->formatNum( $subcatCount )
+ ],
+ [
+ $this->msg( 'pageinfo-category-files' ),
+ $lang->formatNum( $fileCount )
+ ]
+ ];
+ }
+
+ // Display image SHA-1 value
+ if ( $title->inNamespace( NS_FILE ) ) {
+ $fileObj = wfFindFile( $title );
+ if ( $fileObj !== false ) {
+ // Convert the base-36 sha1 value obtained from database to base-16
+ $output = Wikimedia\base_convert( $fileObj->getSha1(), 36, 16, 40 );
+ $pageInfo['header-basic'][] = [
+ $this->msg( 'pageinfo-file-hash' ),
+ $output
+ ];
+ }
+ }
+
+ // Page protection
+ $pageInfo['header-restrictions'] = [];
+
+ // Is this page affected by the cascading protection of something which includes it?
+ if ( $title->isCascadeProtected() ) {
+ $cascadingFrom = '';
+ $sources = $title->getCascadeProtectionSources()[0];
+
+ foreach ( $sources as $sourceTitle ) {
+ $cascadingFrom .= Html::rawElement(
+ 'li', [], $linkRenderer->makeKnownLink( $sourceTitle ) );
+ }
+
+ $cascadingFrom = Html::rawElement( 'ul', [], $cascadingFrom );
+ $pageInfo['header-restrictions'][] = [
+ $this->msg( 'pageinfo-protect-cascading-from' ),
+ $cascadingFrom
+ ];
+ }
+
+ // Is out protection set to cascade to other pages?
+ if ( $title->areRestrictionsCascading() ) {
+ $pageInfo['header-restrictions'][] = [
+ $this->msg( 'pageinfo-protect-cascading' ),
+ $this->msg( 'pageinfo-protect-cascading-yes' )
+ ];
+ }
+
+ // Page protection
+ foreach ( $title->getRestrictionTypes() as $restrictionType ) {
+ $protectionLevel = implode( ', ', $title->getRestrictions( $restrictionType ) );
+
+ if ( $protectionLevel == '' ) {
+ // Allow all users
+ $message = $this->msg( 'protect-default' )->escaped();
+ } else {
+ // Administrators only
+ // Messages: protect-level-autoconfirmed, protect-level-sysop
+ $message = $this->msg( "protect-level-$protectionLevel" );
+ if ( $message->isDisabled() ) {
+ // Require "$1" permission
+ $message = $this->msg( "protect-fallback", $protectionLevel )->parse();
+ } else {
+ $message = $message->escaped();
+ }
+ }
+ $expiry = $title->getRestrictionExpiry( $restrictionType );
+ $formattedexpiry = $this->msg( 'parentheses',
+ $lang->formatExpiry( $expiry ) )->escaped();
+ $message .= $this->msg( 'word-separator' )->escaped() . $formattedexpiry;
+
+ // Messages: restriction-edit, restriction-move, restriction-create,
+ // restriction-upload
+ $pageInfo['header-restrictions'][] = [
+ $this->msg( "restriction-$restrictionType" ), $message
+ ];
+ }
+
+ if ( !$this->page->exists() ) {
+ return $pageInfo;
+ }
+
+ // Edit history
+ $pageInfo['header-edits'] = [];
+
+ $firstRev = $this->page->getOldestRevision();
+ $lastRev = $this->page->getRevision();
+ $batch = new LinkBatch;
+
+ if ( $firstRev ) {
+ $firstRevUser = $firstRev->getUserText( Revision::FOR_THIS_USER );
+ if ( $firstRevUser !== '' ) {
+ $firstRevUserTitle = Title::makeTitle( NS_USER, $firstRevUser );
+ $batch->addObj( $firstRevUserTitle );
+ $batch->addObj( $firstRevUserTitle->getTalkPage() );
+ }
+ }
+
+ if ( $lastRev ) {
+ $lastRevUser = $lastRev->getUserText( Revision::FOR_THIS_USER );
+ if ( $lastRevUser !== '' ) {
+ $lastRevUserTitle = Title::makeTitle( NS_USER, $lastRevUser );
+ $batch->addObj( $lastRevUserTitle );
+ $batch->addObj( $lastRevUserTitle->getTalkPage() );
+ }
+ }
+
+ $batch->execute();
+
+ if ( $firstRev ) {
+ // Page creator
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-firstuser' ),
+ Linker::revUserTools( $firstRev )
+ ];
+
+ // Date of page creation
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-firsttime' ),
+ $linkRenderer->makeKnownLink(
+ $title,
+ $lang->userTimeAndDate( $firstRev->getTimestamp(), $user ),
+ [],
+ [ 'oldid' => $firstRev->getId() ]
+ )
+ ];
+ }
+
+ if ( $lastRev ) {
+ // Latest editor
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-lastuser' ),
+ Linker::revUserTools( $lastRev )
+ ];
+
+ // Date of latest edit
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-lasttime' ),
+ $linkRenderer->makeKnownLink(
+ $title,
+ $lang->userTimeAndDate( $this->page->getTimestamp(), $user ),
+ [],
+ [ 'oldid' => $this->page->getLatest() ]
+ )
+ ];
+ }
+
+ // Total number of edits
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-edits' ), $lang->formatNum( $pageCounts['edits'] )
+ ];
+
+ // Total number of distinct authors
+ if ( $pageCounts['authors'] > 0 ) {
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-authors' ), $lang->formatNum( $pageCounts['authors'] )
+ ];
+ }
+
+ // Recent number of edits (within past 30 days)
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-recent-edits',
+ $lang->formatDuration( $config->get( 'RCMaxAge' ) ) ),
+ $lang->formatNum( $pageCounts['recent_edits'] )
+ ];
+
+ // Recent number of distinct authors
+ $pageInfo['header-edits'][] = [
+ $this->msg( 'pageinfo-recent-authors' ),
+ $lang->formatNum( $pageCounts['recent_authors'] )
+ ];
+
+ // Array of MagicWord objects
+ $magicWords = MagicWord::getDoubleUnderscoreArray();
+
+ // Array of magic word IDs
+ $wordIDs = $magicWords->names;
+
+ // Array of IDs => localized magic words
+ $localizedWords = $wgContLang->getMagicWords();
+
+ $listItems = [];
+ foreach ( $pageProperties as $property => $value ) {
+ if ( in_array( $property, $wordIDs ) ) {
+ $listItems[] = Html::element( 'li', [], $localizedWords[$property][1] );
+ }
+ }
+
+ $localizedList = Html::rawElement( 'ul', [], implode( '', $listItems ) );
+ $hiddenCategories = $this->page->getHiddenCategories();
+
+ if (
+ count( $listItems ) > 0 ||
+ count( $hiddenCategories ) > 0 ||
+ $pageCounts['transclusion']['from'] > 0 ||
+ $pageCounts['transclusion']['to'] > 0
+ ) {
+ $options = [ 'LIMIT' => $config->get( 'PageInfoTransclusionLimit' ) ];
+ $transcludedTemplates = $title->getTemplateLinksFrom( $options );
+ if ( $config->get( 'MiserMode' ) ) {
+ $transcludedTargets = [];
+ } else {
+ $transcludedTargets = $title->getTemplateLinksTo( $options );
+ }
+
+ // Page properties
+ $pageInfo['header-properties'] = [];
+
+ // Magic words
+ if ( count( $listItems ) > 0 ) {
+ $pageInfo['header-properties'][] = [
+ $this->msg( 'pageinfo-magic-words' )->numParams( count( $listItems ) ),
+ $localizedList
+ ];
+ }
+
+ // Hidden categories
+ if ( count( $hiddenCategories ) > 0 ) {
+ $pageInfo['header-properties'][] = [
+ $this->msg( 'pageinfo-hidden-categories' )
+ ->numParams( count( $hiddenCategories ) ),
+ Linker::formatHiddenCategories( $hiddenCategories )
+ ];
+ }
+
+ // Transcluded templates
+ if ( $pageCounts['transclusion']['from'] > 0 ) {
+ if ( $pageCounts['transclusion']['from'] > count( $transcludedTemplates ) ) {
+ $more = $this->msg( 'morenotlisted' )->escaped();
+ } else {
+ $more = null;
+ }
+
+ $templateListFormatter = new TemplatesOnThisPageFormatter(
+ $this->getContext(),
+ $linkRenderer
+ );
+
+ $pageInfo['header-properties'][] = [
+ $this->msg( 'pageinfo-templates' )
+ ->numParams( $pageCounts['transclusion']['from'] ),
+ $templateListFormatter->format( $transcludedTemplates, false, $more )
+ ];
+ }
+
+ if ( !$config->get( 'MiserMode' ) && $pageCounts['transclusion']['to'] > 0 ) {
+ if ( $pageCounts['transclusion']['to'] > count( $transcludedTargets ) ) {
+ $more = $linkRenderer->makeLink(
+ $whatLinksHere,
+ $this->msg( 'moredotdotdot' )->text(),
+ [],
+ [ 'hidelinks' => 1, 'hideredirs' => 1 ]
+ );
+ } else {
+ $more = null;
+ }
+
+ $templateListFormatter = new TemplatesOnThisPageFormatter(
+ $this->getContext(),
+ $linkRenderer
+ );
+
+ $pageInfo['header-properties'][] = [
+ $this->msg( 'pageinfo-transclusions' )
+ ->numParams( $pageCounts['transclusion']['to'] ),
+ $templateListFormatter->format( $transcludedTargets, false, $more )
+ ];
+ }
+ }
+
+ return $pageInfo;
+ }
+
+ /**
+ * Returns page counts that would be too "expensive" to retrieve by normal means.
+ *
+ * @param WikiPage|Article|Page $page
+ * @return array
+ */
+ protected function pageCounts( Page $page ) {
+ $fname = __METHOD__;
+ $config = $this->context->getConfig();
+ $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+
+ return $cache->getWithSetCallback(
+ self::getCacheKey( $cache, $page->getTitle(), $page->getLatest() ),
+ WANObjectCache::TTL_WEEK,
+ function ( $oldValue, &$ttl, &$setOpts ) use ( $page, $config, $fname ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ $title = $page->getTitle();
+ $id = $title->getArticleID();
+
+ $dbr = wfGetDB( DB_REPLICA );
+ $dbrWatchlist = wfGetDB( DB_REPLICA, 'watchlist' );
+ $setOpts += Database::getCacheSetOptions( $dbr, $dbrWatchlist );
+
+ if ( $wgActorTableSchemaMigrationStage === MIGRATION_NEW ) {
+ $tables = [ 'revision_actor_temp' ];
+ $field = 'revactor_actor';
+ $pageField = 'revactor_page';
+ $tsField = 'revactor_timestamp';
+ $joins = [];
+ } elseif ( $wgActorTableSchemaMigrationStage === MIGRATION_OLD ) {
+ $tables = [ 'revision' ];
+ $field = 'rev_user_text';
+ $pageField = 'rev_page';
+ $tsField = 'rev_timestamp';
+ $joins = [];
+ } else {
+ $tables = [ 'revision', 'revision_actor_temp', 'actor' ];
+ $field = 'COALESCE( actor_name, rev_user_text)';
+ $pageField = 'rev_page';
+ $tsField = 'rev_timestamp';
+ $joins = [
+ 'revision_actor_temp' => [ 'LEFT JOIN', 'revactor_rev = rev_id' ],
+ 'actor' => [ 'LEFT JOIN', 'revactor_actor = actor_id' ],
+ ];
+ }
+
+ $watchedItemStore = MediaWikiServices::getInstance()->getWatchedItemStore();
+
+ $result = [];
+ $result['watchers'] = $watchedItemStore->countWatchers( $title );
+
+ if ( $config->get( 'ShowUpdatedMarker' ) ) {
+ $updated = wfTimestamp( TS_UNIX, $page->getTimestamp() );
+ $result['visitingWatchers'] = $watchedItemStore->countVisitingWatchers(
+ $title,
+ $updated - $config->get( 'WatchersMaxAge' )
+ );
+ }
+
+ // Total number of edits
+ $edits = (int)$dbr->selectField(
+ 'revision',
+ 'COUNT(*)',
+ [ 'rev_page' => $id ],
+ $fname
+ );
+ $result['edits'] = $edits;
+
+ // Total number of distinct authors
+ if ( $config->get( 'MiserMode' ) ) {
+ $result['authors'] = 0;
+ } else {
+ $result['authors'] = (int)$dbr->selectField(
+ $tables,
+ "COUNT(DISTINCT $field)",
+ [ $pageField => $id ],
+ $fname,
+ [],
+ $joins
+ );
+ }
+
+ // "Recent" threshold defined by RCMaxAge setting
+ $threshold = $dbr->timestamp( time() - $config->get( 'RCMaxAge' ) );
+
+ // Recent number of edits
+ $edits = (int)$dbr->selectField(
+ 'revision',
+ 'COUNT(rev_page)',
+ [
+ 'rev_page' => $id,
+ "rev_timestamp >= " . $dbr->addQuotes( $threshold )
+ ],
+ $fname
+ );
+ $result['recent_edits'] = $edits;
+
+ // Recent number of distinct authors
+ $result['recent_authors'] = (int)$dbr->selectField(
+ $tables,
+ "COUNT(DISTINCT $field)",
+ [
+ $pageField => $id,
+ "$tsField >= " . $dbr->addQuotes( $threshold )
+ ],
+ $fname,
+ [],
+ $joins
+ );
+
+ // Subpages (if enabled)
+ if ( MWNamespace::hasSubpages( $title->getNamespace() ) ) {
+ $conds = [ 'page_namespace' => $title->getNamespace() ];
+ $conds[] = 'page_title ' .
+ $dbr->buildLike( $title->getDBkey() . '/', $dbr->anyString() );
+
+ // Subpages of this page (redirects)
+ $conds['page_is_redirect'] = 1;
+ $result['subpages']['redirects'] = (int)$dbr->selectField(
+ 'page',
+ 'COUNT(page_id)',
+ $conds,
+ $fname
+ );
+
+ // Subpages of this page (non-redirects)
+ $conds['page_is_redirect'] = 0;
+ $result['subpages']['nonredirects'] = (int)$dbr->selectField(
+ 'page',
+ 'COUNT(page_id)',
+ $conds,
+ $fname
+ );
+
+ // Subpages of this page (total)
+ $result['subpages']['total'] = $result['subpages']['redirects']
+ + $result['subpages']['nonredirects'];
+ }
+
+ // Counts for the number of transclusion links (to/from)
+ if ( $config->get( 'MiserMode' ) ) {
+ $result['transclusion']['to'] = 0;
+ } else {
+ $result['transclusion']['to'] = (int)$dbr->selectField(
+ 'templatelinks',
+ 'COUNT(tl_from)',
+ [
+ 'tl_namespace' => $title->getNamespace(),
+ 'tl_title' => $title->getDBkey()
+ ],
+ $fname
+ );
+ }
+
+ $result['transclusion']['from'] = (int)$dbr->selectField(
+ 'templatelinks',
+ 'COUNT(*)',
+ [ 'tl_from' => $title->getArticleID() ],
+ $fname
+ );
+
+ return $result;
+ }
+ );
+ }
+
+ /**
+ * Returns the name that goes in the "<h1>" page title.
+ *
+ * @return string
+ */
+ protected function getPageTitle() {
+ return $this->msg( 'pageinfo-title', $this->getTitle()->getPrefixedText() )->text();
+ }
+
+ /**
+ * Get a list of contributors of $article
+ * @return string Html
+ */
+ protected function getContributors() {
+ $contributors = $this->page->getContributors();
+ $real_names = [];
+ $user_names = [];
+ $anon_ips = [];
+ $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
+
+ # Sift for real versus user names
+ /** @var User $user */
+ foreach ( $contributors as $user ) {
+ $page = $user->isAnon()
+ ? SpecialPage::getTitleFor( 'Contributions', $user->getName() )
+ : $user->getUserPage();
+
+ $hiddenPrefs = $this->context->getConfig()->get( 'HiddenPrefs' );
+ if ( $user->getId() == 0 ) {
+ $anon_ips[] = $linkRenderer->makeLink( $page, $user->getName() );
+ } elseif ( !in_array( 'realname', $hiddenPrefs ) && $user->getRealName() ) {
+ $real_names[] = $linkRenderer->makeLink( $page, $user->getRealName() );
+ } else {
+ $user_names[] = $linkRenderer->makeLink( $page, $user->getName() );
+ }
+ }
+
+ $lang = $this->getLanguage();
+
+ $real = $lang->listToText( $real_names );
+
+ # "ThisSite user(s) A, B and C"
+ if ( count( $user_names ) ) {
+ $user = $this->msg( 'siteusers' )
+ ->rawParams( $lang->listToText( $user_names ) )
+ ->params( count( $user_names ) )->escaped();
+ } else {
+ $user = false;
+ }
+
+ if ( count( $anon_ips ) ) {
+ $anon = $this->msg( 'anonusers' )
+ ->rawParams( $lang->listToText( $anon_ips ) )
+ ->params( count( $anon_ips ) )->escaped();
+ } else {
+ $anon = false;
+ }
+
+ # This is the big list, all mooshed together. We sift for blank strings
+ $fulllist = [];
+ foreach ( [ $real, $user, $anon ] as $s ) {
+ if ( $s !== '' ) {
+ array_push( $fulllist, $s );
+ }
+ }
+
+ $count = count( $fulllist );
+
+ # "Based on work by ..."
+ return $count
+ ? $this->msg( 'othercontribs' )->rawParams(
+ $lang->listToText( $fulllist ) )->params( $count )->escaped()
+ : '';
+ }
+
+ /**
+ * Returns the description that goes below the "<h1>" tag.
+ *
+ * @return string
+ */
+ protected function getDescription() {
+ return '';
+ }
+
+ /**
+ * @param WANObjectCache $cache
+ * @param Title $title
+ * @param int $revId
+ * @return string
+ */
+ protected static function getCacheKey( WANObjectCache $cache, Title $title, $revId ) {
+ return $cache->makeKey( 'infoaction', md5( $title->getPrefixedText() ), $revId, self::VERSION );
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-05 05:32:36 +0000