InfoAction - Code Metrics - wikimedia/mediawiki - Measure and Improve Code Quality continuously with Scrutinizer

InfoAction F
last analyzed 2016-11-13 17:42 UTC

↳ Parent: Project
Complexity

Total Complexity
Size/Duplication

Total Lines	881
Duplicated Lines	3.97 %
Coupling/Cohesion

Components	1
Dependencies	28
Importance

Changes
Metric	Value
dl	35
loc	881
rs	1.0434
c	0
b	0
f	0
wmc	94
lcom	1
cbo	28
14 Methods

Rating	Name	Duplication	Size	Complexity
A	getName()	0	3	1
A	requiresUnblock()	0	3	1
A	requiresWrite()	0	3	1
A	invalidateCache()	0	10	4
C	onView()	0	61	11
A	makeHeader()	0	5	1
A	addRow()	0	9	2
A	addTable()	0	4	1
F	pageInfo()	16	486	53
B	pageCounts()	0	130	5
A	getPageTitle()	0	3	1
C	getContributors()	19	60	11
A	getDescription()	0	3	1
A	getCacheKey()	0	3	1
How to fix Duplicated Code Complexity

Duplicated Code

Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
If you have the same expression in different places: Extract expression to a method
If you have the same method in different sub-classes: Extract method, and pull up field to the parent class
If you have the same code in unrelated classes: Consider extracting the code to a new class, and injecting that class
Complex Class

Tip: Before tackling complexity, make sure that you eliminate any duplication first. This often can reduce the size of classes significantly.
Complex classes like InfoAction often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use InfoAction, and based on these observations, apply Extract Interface, too.
<?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;

/**
 * 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 ) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
			$revision = Revision::newFromTitle( $title, 0, Revision::READ_LATEST );
			$revid = $revision ? $revision->getId() : null;
		}
		if ( $revid !== null ) {
			$key = self::getCacheKey( $title, $revid );
			ObjectCache::getMainWANInstance()->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();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
		if ( $oldid ) {
			$revision = $this->page->getRevisionFetched();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}

			// 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}" )->escaped() ) . "\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.
	 * @return string The HTML.
	 */
	protected function makeHeader( $header ) {
		$spanAttribs = [ 'class' => 'mw-headline', 'id' => Sanitizer::escapeId( $header ) ];

		return Html::rawElement( 'h2', [], 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 The 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' ),
				Linker::link( $this->page->getRedirectTarget() ) .
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
				$this->msg( 'word-separator' )->escaped() .
				$this->msg( 'parentheses' )->rawParams( Linker::link(
					$this->page->getRedirectTarget(),
					$this->msg( 'pageinfo-redirectsto-info' )->escaped(),
					[],
					[ '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();

		if ( $config->get( 'PageLanguageUseDB' )
			&& $this->getTitle()->userCan( 'pagelang', $this->getUser() )
		) {
			// Link to Special:PageLanguage with pre-filled page title if user has permissions
			$titleObj = SpecialPage::getTitleFor( 'PageLanguage', $title->getPrefixedText() );
			$langDisp = Linker::link(
				$titleObj,
				$this->msg( 'pageinfo-language' )->escaped()
			);
		} else {
			// Display just the message
			$langDisp = $this->msg( 'pageinfo-language' )->escaped();
		}

		$pageInfo['header-basic'][] = [ $langDisp,
			Language::fetchLanguageName( $pageLang, $lang->getCode() )
			. ' ' . $this->msg( 'parentheses', $pageLang )->escaped() ];

		// Content model of the page
		$modelHtml = htmlspecialchars( ContentHandler::getLocalizedName( $title->getContentModel() ) );
		// If the user can change it, add a link to Special:ChangeContentModel
		if ( $title->quickUserCan( 'editcontentmodel' ) ) {
			$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 );
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
		$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'][] = [
			Linker::link(
				$whatLinksHere,
				$this->msg( 'pageinfo-redirects-name' )->escaped(),
				[],
				[
					'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() ) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
			$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'][] = [
				Linker::link( $prefixIndex, $this->msg( 'pageinfo-subpages-name' )->escaped() ),
				$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 )
				]
			];
		}

		// 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 ) {
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
				$cascadingFrom .= Html::rawElement(
					'li', [], Linker::linkKnown( $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',
				$this->getLanguage()->formatExpiry( $expiry ) )->escaped();
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
			$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() ) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
			return $pageInfo;
		}

		// Edit history
		$pageInfo['header-edits'] = [];

		$firstRev = $this->page->getOldestRevision();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
		$lastRev = $this->page->getRevision();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
		$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' ),
				Linker::linkKnown(
					$title,
					htmlspecialchars( $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' ),
				Linker::linkKnown(
					$title,
					htmlspecialchars(
						$lang->userTimeAndDate( $this->page->getTimestamp(), $user )
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
					),
					[],
					[ 'oldid' => $this->page->getLatest() ]
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
				)
			];
		}

		// 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();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}

		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 = Linker::link(
						$whatLinksHere,
						$this->msg( 'moredotdotdot' )->escaped(),
						[],
						[ '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();

		return ObjectCache::getMainWANInstance()->getWithSetCallback(
			self::getCacheKey( $page->getTitle(), $page->getLatest() ),
			WANObjectCache::TTL_WEEK,
			function ( $oldValue, &$ttl, &$setOpts ) use ( $page, $config, $fname ) {
				$title = $page->getTitle();
				$id = $title->getArticleID();

				$dbr = wfGetDB( DB_REPLICA );
				$dbrWatchlist = wfGetDB( DB_REPLICA, 'watchlist' );
				$setOpts += Database::getCacheSetOptions( $dbr, $dbrWatchlist );

				$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(
						'revision',
						'COUNT(DISTINCT rev_user_text)',
						[ 'rev_page' => $id ],
						$fname
					);
				}

				// "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(
					'revision',
					'COUNT(DISTINCT rev_user_text)',
					[
						'rev_page' => $id,
						"rev_timestamp >= " . $dbr->addQuotes( $threshold )
					],
					$fname
				);

				// 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();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
		$real_names = [];
		$user_names = [];
		$anon_ips = [];

		# 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[] = Linker::link( $page, htmlspecialchars( $user->getName() ) );
			} elseif ( !in_array( 'realname', $hiddenPrefs ) && $user->getRealName() ) {
				$real_names[] = Linker::link( $page, htmlspecialchars( $user->getRealName() ) );
			} else {
				$user_names[] = Linker::link( $page, htmlspecialchars( $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 Title $title
	 * @param int $revId
	 * @return string
	 */
	protected static function getCacheKey( Title $title, $revId ) {
		return wfMemcKey( 'infoaction', md5( $title->getPrefixedText() ), $revId, self::VERSION );
	}
}

InfoAction F
last analyzed 2016-11-13 17:42 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

14 Methods

How to fix Duplicated Code Complexity

Duplicated Code

Complex Class

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

wikimedia / mediawiki

InfoAction F last analyzed 2016-11-13 17:42 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

14 Methods

How to fix Duplicated Code Complexity

Duplicated Code

Complex Class

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Duplication Side-by-Side

Filter issues like

InfoAction F
last analyzed 2016-11-13 17:42 UTC
