includes/editpage/TextConflictHelper.php
<?php
/**
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\EditPage;
use IBufferingStatsdDataFactory;
use MediaWiki\Content\Content;
use MediaWiki\Content\ContentHandler;
use MediaWiki\Content\IContentHandlerFactory;
use MediaWiki\Html\Html;
use MediaWiki\Output\OutputPage;
use MediaWiki\Title\Title;
use MediaWiki\User\User;
use MWUnknownContentModelException;
use Wikimedia\Stats\StatsFactory;
/**
* Helper for displaying edit conflicts in text content models to users
*
* @since 1.31
* @author Kunal Mehta <legoktm@debian.org>
*/
class TextConflictHelper {
/**
* @var Title
*/
protected $title;
/**
* @var null|string
*/
public $contentModel;
/**
* @var null|string
*/
public $contentFormat;
/**
* @var OutputPage
*/
protected $out;
/**
* @var IBufferingStatsdDataFactory|StatsFactory
*/
protected $stats;
/**
* @var string Message key for submit button's label
*/
protected $submitLabel;
/**
* @var string
*/
protected $yourtext = '';
/**
* @var string
*/
protected $storedversion = '';
/**
* @var IContentHandlerFactory
*/
private $contentHandlerFactory;
/**
* @param Title $title
* @param OutputPage $out
* @param IBufferingStatsdDataFactory|StatsFactory $stats
* @param string $submitLabel
* @param IContentHandlerFactory $contentHandlerFactory Required param with legacy support
*
* @throws MWUnknownContentModelException
*/
public function __construct(
Title $title, OutputPage $out, $stats, $submitLabel,
IContentHandlerFactory $contentHandlerFactory
) {
$this->title = $title;
$this->out = $out;
$this->stats = $stats;
$this->submitLabel = $submitLabel;
$this->contentModel = $title->getContentModel();
$this->contentHandlerFactory = $contentHandlerFactory;
$this->contentFormat = $this->contentHandlerFactory
->getContentHandler( $this->contentModel )
->getDefaultFormat();
}
/**
* @param string $yourtext
* @param string $storedversion
*/
public function setTextboxes( $yourtext, $storedversion ) {
$this->yourtext = $yourtext;
$this->storedversion = $storedversion;
}
/**
* @param string $contentModel
*/
public function setContentModel( $contentModel ) {
$this->contentModel = $contentModel;
}
/**
* @param string $contentFormat
*/
public function setContentFormat( $contentFormat ) {
$this->contentFormat = $contentFormat;
}
/**
* Record a user encountering an edit conflict
* @param User|null $user
*/
public function incrementConflictStats( User $user = null ) {
$namespace = 'n/a';
$userBucket = 'n/a';
$statsdMetrics = [ 'edit.failures.conflict' ];
// Only include 'standard' namespaces to avoid creating unknown numbers of statsd metrics
if (
$this->title->getNamespace() >= NS_MAIN &&
$this->title->getNamespace() <= NS_CATEGORY_TALK
) {
// getNsText() returns empty string if getNamespace() === NS_MAIN
$namespace = $this->title->getNsText() ?: 'Main';
$statsdMetrics[] = 'edit.failures.conflict.byNamespaceId.' . $this->title->getNamespace();
}
if ( $user ) {
$userBucket = $this->getUserBucket( $user->getEditCount() );
$statsdMetrics[] = 'edit.failures.conflict.byUserEdits.' . $userBucket;
}
if ( $this->stats instanceof StatsFactory ) {
$this->stats->getCounter( 'edit_failure_total' )
->setLabel( 'cause', 'conflict' )
->setLabel( 'namespace', $namespace )
->setLabel( 'user_bucket', $userBucket )
->copyToStatsdAt( $statsdMetrics )
->increment();
}
if ( $this->stats instanceof IBufferingStatsdDataFactory ) {
foreach ( $statsdMetrics as $metric ) {
$this->stats->increment( $metric );
}
}
}
/**
* Record when a user has resolved an edit conflict
* @param User|null $user
*/
public function incrementResolvedStats( User $user = null ) {
$namespace = 'n/a';
$userBucket = 'n/a';
$statsdMetrics = [ 'edit.failures.conflict.resolved' ];
// Only include 'standard' namespaces to avoid creating unknown numbers of statsd metrics
if (
$this->title->getNamespace() >= NS_MAIN &&
$this->title->getNamespace() <= NS_CATEGORY_TALK
) {
// getNsText() returns empty string if getNamespace() === NS_MAIN
$namespace = $this->title->getNsText() ?: 'Main';
$statsdMetrics[] = 'edit.failures.conflict.resolved.byNamespaceId.' . $this->title->getNamespace();
}
if ( $user ) {
$userBucket = $this->getUserBucket( $user->getEditCount() );
$statsdMetrics[] = 'edit.failures.conflict.resolved.byUserEdits.' . $userBucket;
}
if ( $this->stats instanceof StatsFactory ) {
$this->stats->getCounter( 'edit_failure_resolved_total' )
->setLabel( 'cause', 'conflict' )
->setLabel( 'namespace', $namespace )
->setLabel( 'user_bucket', $userBucket )
->copyToStatsdAt( $statsdMetrics )
->increment();
}
if ( $this->stats instanceof IBufferingStatsdDataFactory ) {
foreach ( $statsdMetrics as $metric ) {
$this->stats->increment( $metric );
}
}
}
/**
* Retained temporarily for backwards-compatibility.
*
* This action should be moved into incrementConflictStats, incrementResolvedStats.
*
* @deprecated since 1.42, do not use
* @param int|null $userEdits
* @param string $keyPrefixBase
*/
protected function incrementStatsByUserEdits( $userEdits, $keyPrefixBase ) {
if ( $this->stats instanceof IBufferingStatsdDataFactory ) {
$this->stats->increment( $keyPrefixBase . '.byUserEdits.' . $this->getUserBucket( $userEdits ) );
}
}
/**
* @param int|null $userEdits
* @return string
*/
protected function getUserBucket( ?int $userEdits ): string {
if ( $userEdits === null ) {
return 'anon';
} elseif ( $userEdits > 200 ) {
return 'over200';
} elseif ( $userEdits > 100 ) {
return 'over100';
} elseif ( $userEdits > 10 ) {
return 'over10';
} else {
return 'under11';
}
}
/**
* @return string HTML
*/
public function getExplainHeader() {
return Html::rawElement(
'div',
[ 'class' => 'mw-explainconflict' ],
$this->out->msg( 'explainconflict', $this->out->msg( $this->submitLabel )->text() )->parse()
);
}
/**
* HTML to build the textbox1 on edit conflicts
*
* @param array $customAttribs
* @return string HTML
*/
public function getEditConflictMainTextBox( array $customAttribs = [] ) {
$builder = new TextboxBuilder();
$classes = $builder->getTextboxProtectionCSSClasses( $this->title );
$attribs = [
'aria-label' => $this->out->msg( 'edit-textarea-aria-label' )->text(),
'tabindex' => 1,
];
$attribs += $customAttribs;
$attribs = $builder->mergeClassesIntoAttributes( $classes, $attribs );
$attribs = $builder->buildTextboxAttribs(
'wpTextbox1',
$attribs,
$this->out->getUser(),
$this->title
);
return Html::textarea(
'wpTextbox1',
$builder->addNewLineAtEnd( $this->storedversion ),
$attribs
);
}
/**
* Content to go in the edit form before textbox1
*
* @see EditPage::$editFormTextBeforeContent
* @return string HTML
*/
public function getEditFormHtmlBeforeContent() {
return '';
}
/**
* Content to go in the edit form after textbox1
*
* @see EditPage::$editFormTextAfterContent
* @return string HTML
*/
public function getEditFormHtmlAfterContent() {
return '';
}
/**
* Content to go in the edit form after the footers
* (templates on this page, hidden categories, limit report)
*/
public function showEditFormTextAfterFooters() {
$this->out->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
$yourContent = $this->toEditContent( $this->yourtext );
$storedContent = $this->toEditContent( $this->storedversion );
$handler = $this->contentHandlerFactory->getContentHandler( $this->contentModel );
$diffEngine = $handler->createDifferenceEngine( $this->out );
$diffEngine->setContent( $yourContent, $storedContent );
$diffEngine->showDiff(
$this->out->msg( 'yourtext' )->parse(),
$this->out->msg( 'storedversion' )->text()
);
$this->out->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
$builder = new TextboxBuilder();
$attribs = $builder->buildTextboxAttribs(
'wpTextbox2',
[ 'tabindex' => 6, 'readonly' ],
$this->out->getUser(),
$this->title
);
$this->out->addHTML(
Html::textarea( 'wpTextbox2', $builder->addNewLineAtEnd( $this->yourtext ), $attribs )
);
}
/**
* @param string $text
* @return Content
*/
private function toEditContent( $text ) {
return ContentHandler::makeContent(
$text,
$this->title,
$this->contentModel,
$this->contentFormat
);
}
}