<?php
/**
- * Display informations about a page.
- * Very inefficient for the moment.
+ * Displays information about a page.
*
* Copyright © 2011 Alexandre Emsenhuber
*
*/
class InfoAction extends FormlessAction {
-
+ /**
+ * Returns the name of the action this object responds to.
+ *
+ * @return string lowercase
+ */
public function getName() {
return 'info';
}
- protected function getDescription() {
- return '';
- }
-
- public function requiresWrite() {
- return false;
- }
-
+ /**
+ * Whether this action can still be executed by a blocked user.
+ *
+ * @return bool
+ */
public function requiresUnblock() {
return false;
}
- protected function getPageTitle() {
- return $this->msg( 'pageinfo-title', $this->getTitle()->getSubjectPage()->getPrefixedText() )->text();
+ /**
+ * Whether this action requires the wiki not to be locked.
+ *
+ * @return bool
+ */
+ public function requiresWrite() {
+ return false;
}
+ /**
+ * Shows page information on GET request.
+ *
+ * @return string Page information that will be added to the output
+ */
public function onView() {
- global $wgDisableCounters;
+ global $wgDisableCounters, $wgRCMaxAge, $wgRestrictionTypes;
- $title = $this->getTitle()->getSubjectPage();
+ $lang = $this->getLanguage();
+ $title = $this->getTitle();
- $userCanViewUnwatchedPages = $this->getUser()->isAllowed( 'unwatchedpages' );
+ $article = new Article( $title );
+ $id = $title->getArticleID();
+ // Get page information that would be too "expensive" to retrieve by normal means
+ $userCanViewUnwatchedPages = $this->getUser()->isAllowed( 'unwatchedpages' );
$pageInfo = self::pageCountInfo( $title, $userCanViewUnwatchedPages, $wgDisableCounters );
- $talkInfo = self::pageCountInfo( $title->getTalkPage(), $userCanViewUnwatchedPages, $wgDisableCounters );
- $lang = $this->getLanguage();
+ // Get page properties
+ $dbr = wfGetDB( DB_SLAVE );
+ $result = $dbr->select(
+ 'page_props',
+ array( 'pp_propname', 'pp_value' ),
+ array( 'pp_page' => $id ),
+ __METHOD__
+ );
+
+ $pageProperties = array();
+ foreach ( $result as $row ) {
+ $pageProperties[$row->pp_propname] = $row->pp_value;
+ }
+
+ $content = '';
+ $table = '';
+
+ // Basic information
+ $content = $this->addHeader( $content, $this->msg( 'pageinfo-header-basic' ) );
+
+ // Display title
+ $displayTitle = $title->getPrefixedText();
+ if ( !empty( $pageProperties['displaytitle'] ) ) {
+ $displayTitle = $pageProperties['displaytitle'];
+ }
+
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-display-title' ), $displayTitle );
+
+ // Default sort key
+ $sortKey = $title->getCategorySortKey();
+ if ( !empty( $pageProperties['defaultsort'] ) ) {
+ $sortKey = $pageProperties['defaultsort'];
+ }
+
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-default-sort' ), $sortKey );
- $content =
- Html::rawElement( 'tr', array(),
- Html::element( 'th', array(), '' ) .
- Html::element( 'th', array(), $this->msg( 'pageinfo-subjectpage' )->text() ) .
- Html::element( 'th', array(), $this->msg( 'pageinfo-talkpage' )->text() )
- ) .
- Html::rawElement( 'tr', array(),
- Html::element( 'th', array( 'colspan' => 3 ), $this->msg( 'pageinfo-header-edits' )->text() )
- ) .
- Html::rawElement( 'tr', array(),
- Html::element( 'td', array(), $this->msg( 'pageinfo-edits' )->text() ) .
- Html::element( 'td', array(), $lang->formatNum( $pageInfo['edits'] ) ) .
- Html::element( 'td', array(), $lang->formatNum( $talkInfo['edits'] ) )
- ) .
- Html::rawElement( 'tr', array(),
- Html::element( 'td', array(), $this->msg( 'pageinfo-authors' )->text() ) .
- Html::element( 'td', array(), $lang->formatNum( $pageInfo['authors'] ) ) .
- Html::element( 'td', array(), $lang->formatNum( $talkInfo['authors'] ) )
+ // Page length (in bytes)
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-length' ), $lang->formatNum( $title->getLength() ) );
+
+ // Page ID
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-article-id' ), $lang->formatNum( $id ) );
+
+ // Search engine status
+ $pOutput = new ParserOutput();
+ if ( isset( $pageProperties['noindex'] ) ) {
+ $pOutput->setIndexPolicy( 'noindex' );
+ }
+
+ // Use robot policy logic
+ $policy = $article->getRobotPolicy( 'view', $pOutput );
+ $table = $this->addRow( $table,
+ 'Search engine status', "Marked as '" . $policy['index'] . "'"
+ );
+
+ if ( !$wgDisableCounters ) {
+ // Number of views
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-views' ), $lang->formatNum( $pageInfo['views'] )
);
+ }
if ( $userCanViewUnwatchedPages ) {
- $content .= Html::rawElement( 'tr', array(),
- Html::element( 'th', array( 'colspan' => 3 ), $this->msg( 'pageinfo-header-watchlist' )->text() )
- ) .
- Html::rawElement( 'tr', array(),
- Html::element( 'td', array(), $this->msg( 'pageinfo-watchers' )->text() ) .
- Html::element( 'td', array( 'colspan' => 2 ), $lang->formatNum( $pageInfo['watchers'] ) )
- );
+ // Number of page watchers
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-watchers' ), $lang->formatNum( $pageInfo['watchers'] ) );
}
- if ( !$wgDisableCounters ) {
- $content .= Html::rawElement( 'tr', array(),
- Html::element( 'th', array( 'colspan' => 3 ), $this->msg( 'pageinfo-header-views' )->text() )
- ) .
- Html::rawElement( 'tr', array(),
- Html::element( 'td', array(), $this->msg( 'pageinfo-views' )->text() ) .
- Html::element( 'td', array(), $lang->formatNum( $pageInfo['views'] ) ) .
- Html::element( 'td', array(), $lang->formatNum( $talkInfo['views'] ) )
- ) .
- Html::rawElement( 'tr', array(),
- Html::element( 'td', array(), $this->msg( 'pageinfo-viewsperedit' )->text() ) .
- Html::element( 'td', array(), $lang->formatNum( sprintf( '%.2f', $pageInfo['edits'] ? $pageInfo['views'] / $pageInfo['edits'] : 0 ) ) ) .
- Html::element( 'td', array(), $lang->formatNum( sprintf( '%.2f', $talkInfo['edits'] ? $talkInfo['views'] / $talkInfo['edits'] : 0 ) ) )
+ // Redirects to this page
+ $whatLinksHere = SpecialPage::getTitleFor( 'WhatLinksHere', $title->getPrefixedText() );
+ $table = $this->addRow( $table,
+ Linker::link(
+ $whatLinksHere,
+ $this->msg( 'pageinfo-redirects-name' ),
+ array(),
+ array( 'hidelinks' => 1, 'hidetrans' => 1 )
+ ),
+ $this->msg( 'pageinfo-redirects-value',
+ $lang->formatNum( count( $title->getRedirectsHere() ) )
+ )
+ );
+
+ // Subpages of this page
+ $prefixIndex = SpecialPage::getTitleFor( 'PrefixIndex', $title->getPrefixedText() . '/' );
+ $table = $this->addRow( $table,
+ Linker::link( $prefixIndex, $this->msg( 'pageinfo-subpages-name' ) ),
+ $this->msg( 'pageinfo-subpages-value',
+ $lang->formatNum( $pageInfo['subpages']['total'] ),
+ $pageInfo['subpages']['redirects'],
+ $pageInfo['subpages']['nonredirects']
+ )
+ );
+
+ // Page protection
+ $content = $this->addTable( $content, $table );
+ $content = $this->addHeader( $content, $this->msg( 'pageinfo-header-restrictions' ) );
+ $table = '';
+
+ // Page protection
+ foreach ( $wgRestrictionTypes as $restrictionType ) {
+ $protectionLevel = implode( ', ', $title->getRestrictions( $restrictionType ) );
+ if ( $protectionLevel == '' ) {
+ // Allow all users
+ $message = $this->msg( "protect-default" );
+ } else {
+ // Administrators only
+ $message = $this->msg( "protect-level-$protectionLevel" );
+ if ( !$message->exists() ) {
+ // Require "$1" permission
+ $message = $this->msg( "protect-fallback", $protectionLevel );
+ }
+ }
+
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-restriction', $restrictionType ), $message
+ );
+ }
+
+ // Edit history
+ $content = $this->addTable( $content, $table );
+ $content = $this->addHeader( $content, $this->msg( 'pageinfo-header-edits' ) );
+ $table = '';
+
+ // Page creator
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-firstuser' ), $pageInfo['firstuser']
+ );
+
+ // Date of page creation
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-firsttime' ), $lang->timeanddate( $pageInfo['firsttime'] )
+ );
+
+ // Latest editor
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-lastuser' ), $pageInfo['lastuser']
+ );
+
+ // Date of latest edit
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-lasttime' ), $lang->timeanddate( $pageInfo['lasttime'] )
+ );
+
+ // Total number of edits
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-edits' ), $lang->formatNum( $pageInfo['edits'] )
+ );
+
+ // Total number of distinct authors
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-authors' ), $lang->formatNum( $pageInfo['authors'] )
+ );
+
+ // Recent number of edits (within past 30 days)
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-recent-edits', $lang->formatDuration( $wgRCMaxAge ) ),
+ $lang->formatNum( $pageInfo['recent_edits'] )
+ );
+
+ // Recent number of distinct authors
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-recent-authors' ), $lang->formatNum( $pageInfo['recent_authors'] )
+ );
+
+ $content = $this->addTable( $content, $table );
+
+ // Array of MagicWord objects
+ $magicWords = MagicWord::getDoubleUnderscoreArray();
+
+ // Array of magic word IDs
+ $wordIDs = $magicWords->names;
+
+ // Array of IDs => localized magic words
+ $localizedWords = $lang->getMagicWords();
+
+ $listItems = array();
+ foreach ( $pageProperties as $property => $value ) {
+ if ( in_array( $property, $wordIDs ) ) {
+ $listItems[] = Html::element( 'li', array(), $localizedWords[$property][1] );
+ }
+ }
+
+ $localizedList = Html::rawElement( 'ul', array(), implode( '', $listItems ) );
+ $hiddenCategories = $article->getHiddenCategories();
+ $transcludedTemplates = $title->getTemplateLinksFrom();
+
+ if ( count( $listItems ) > 0
+ || count( $hiddenCategories ) > 0
+ || count( $transcludedTemplates ) > 0 ) {
+ // Page properties
+ $content = $this->addHeader( $content, $this->msg( 'pageinfo-header-properties' ) );
+ $table = '';
+
+ // Magic words
+ if ( count( $listItems ) > 0 ) {
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-magic-words', count( $listItems ) ), $localizedList
+ );
+ }
+
+ // Hide "This page is a member of # hidden categories explanation
+ $content .= Html::element( 'style', array(),
+ '.mw-hiddenCategoriesExplanation { display: none; }' );
+
+ // Hidden categories
+ if ( count( $hiddenCategories ) > 0 ) {
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-hidden-categories', count( $hiddenCategories ) ),
+ Linker::formatHiddenCategories( $hiddenCategories )
);
+ }
+
+ // Hide "Templates used on this page:" explanation
+ $content .= Html::element( 'style', array(),
+ '.mw-templatesUsedExplanation { display: none; }' );
+
+ // Transcluded templates
+ if ( count( $transcludedTemplates ) > 0 ) {
+ $table = $this->addRow( $table,
+ $this->msg( 'pageinfo-templates', count( $transcludedTemplates ) ),
+ Linker::formatTemplates( $transcludedTemplates )
+ );
+ }
+
+ $content = $this->addTable( $content, $table );
}
- return Html::rawElement( 'table', array( 'class' => 'wikitable mw-page-info' ), $content );
+
+ return $content;
}
/**
- * Return the total number of edits and number of unique editors
- * on a given page. If page does not exist, returns false.
+ * Returns page information that would be too "expensive" to retrieve by normal means.
*
* @param $title Title object
* @param $canViewUnwatched bool
* @return array
*/
public static function pageCountInfo( $title, $canViewUnwatched, $disableCounter ) {
+ global $wgRCMaxAge;
+
wfProfileIn( __METHOD__ );
$id = $title->getArticleID();
- $dbr = wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_SLAVE );
$result = array();
+
+ if ( !$disableCounter ) {
+ // Number of views
+ $views = (int) $dbr->selectField(
+ 'page',
+ 'page_counter',
+ array( 'page_id' => $id ),
+ __METHOD__
+ );
+ $result['views'] = $views;
+ }
+
if ( $canViewUnwatched ) {
- $watchers = (int)$dbr->selectField(
+ // Number of page watchers
+ $watchers = (int) $dbr->selectField(
'watchlist',
'COUNT(*)',
array(
$result['watchers'] = $watchers;
}
- $edits = (int)$dbr->selectField(
+ // Total number of edits
+ $edits = (int) $dbr->selectField(
'revision',
'COUNT(rev_page)',
array( 'rev_page' => $id ),
);
$result['edits'] = $edits;
- $authors = (int)$dbr->selectField(
+ // Total number of distinct authors
+ $authors = (int) $dbr->selectField(
'revision',
'COUNT(DISTINCT rev_user_text)',
array( 'rev_page' => $id ),
);
$result['authors'] = $authors;
- if ( !$disableCounter ) {
- $views = (int)$dbr->selectField(
- 'page',
- 'page_counter',
- array( 'page_id' => $id ),
- __METHOD__
- );
- $result['views'] = $views;
- }
+ // "Recent" threshold defined by $wgRCMaxAge
+ $threshold = $dbr->timestamp( time() - $wgRCMaxAge );
+
+ // Recent number of edits
+ $edits = (int) $dbr->selectField(
+ 'revision',
+ 'COUNT(rev_page)',
+ array(
+ 'rev_page' => $id ,
+ "rev_timestamp >= $threshold"
+ ),
+ __METHOD__
+ );
+ $result['recent_edits'] = $edits;
+
+ // Recent number of distinct authors
+ $authors = (int) $dbr->selectField(
+ 'revision',
+ 'COUNT(DISTINCT rev_user_text)',
+ array(
+ 'rev_page' => $id,
+ "rev_timestamp >= $threshold"
+ ),
+ __METHOD__
+ );
+ $result['recent_authors'] = $authors;
+
+ $conds = array( 'page_namespace' => $title->getNamespace(), 'page_is_redirect' => 1 );
+ $conds[] = 'page_title ' . $dbr->buildLike( $title->getDBkey() . '/', $dbr->anyString() );
+
+ // Subpages of this page (redirects)
+ $result['subpages']['redirects'] = (int) $dbr->selectField(
+ 'page',
+ 'COUNT(page_id)',
+ $conds,
+ __METHOD__ );
+
+ // Subpages of this page (non-redirects)
+ $conds['page_is_redirect'] = 0;
+ $result['subpages']['nonredirects'] = (int) $dbr->selectField(
+ 'page',
+ 'COUNT(page_id)',
+ $conds,
+ __METHOD__
+ );
+
+ // Subpages of this page (total)
+ $result['subpages']['total'] = $result['subpages']['redirects']
+ + $result['subpages']['nonredirects'];
+
+ // Latest editor + date of latest edit
+ $options = array( 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 1 );
+ $row = $dbr->fetchRow( $dbr->select(
+ 'revision',
+ array( 'rev_user_text', 'rev_timestamp' ),
+ array( 'rev_page' => $id ),
+ __METHOD__,
+ $options
+ ) );
+
+ $result['firstuser'] = $row['rev_user_text'];
+ $result['firsttime'] = $row['rev_timestamp'];
+
+ // Latest editor + date of latest edit
+ $options['ORDER BY'] = 'rev_timestamp DESC';
+ $row = $dbr->fetchRow( $dbr->select(
+ 'revision',
+ array( 'rev_user_text', 'rev_timestamp' ),
+ array( 'rev_page' => $id ),
+ __METHOD__,
+ $options
+ ) );
+
+ $result['lastuser'] = $row['rev_user_text'];
+ $result['lasttime'] = $row['rev_timestamp'];
wfProfileOut( __METHOD__ );
return $result;
}
+
+ /**
+ * Adds a header to the content that will be added to the output.
+ *
+ * @param $content string The content that will be added to the output
+ * @param $header string The value of the header
+ * @return string The content with the header added
+ */
+ protected function addHeader( $content, $header ) {
+ return $content . Html::element( 'h2', array(), $header );
+ }
+
+ /**
+ * Adds a row to a table that will be added to the content.
+ *
+ * @param $table string The table that will be added to the content
+ * @param $name string The name of the row
+ * @param $value string The value of the row
+ * @return string The table with the row added
+ */
+ protected function addRow( $table, $name, $value ) {
+ return $table . Html::rawElement( 'tr', array(),
+ Html::rawElement( 'td', array(), $name ) .
+ Html::rawElement( 'td', array(), $value )
+ );
+ }
+
+ /**
+ * Adds a table to the content that will be added to the output.
+ *
+ * @param $content string The content that will be added to the output
+ * @param $table string The table
+ * @return string The content with the table added
+ */
+ protected function addTable( $content, $table ) {
+ return $content . Html::rawElement( 'table', array( 'class' => 'wikitable mw-page-info' ),
+ $table );
+ }
+
+ /**
+ * Returns the description that goes below the <h1> tag.
+ *
+ * @return string
+ */
+ protected function getDescription() {
+ return '';
+ }
+
+ /**
+ * Returns the name that goes in the <h1> page title.
+ *
+ * @return string
+ */
+ protected function getPageTitle() {
+ return $this->msg( 'pageinfo-title', $this->getTitle()->getPrefixedText() )->text();
+ }
}
dépôts / lhc / web / wiklou.git / commitdiff