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<?php
namespace MediaWiki\Specials;
use MediaWiki\Collation\CollationFactory;
use MediaWiki\CommentStore\CommentStore;
use MediaWiki\Content\ContentHandler;
use MediaWiki\Content\IContentHandlerFactory;
use MediaWiki\EditPage\SpamChecker;
use MediaWiki\Exception\ErrorPageError;
use MediaWiki\Html\Html;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\Language\RawMessage;
use MediaWiki\Logging\LogEventsList;
use MediaWiki\Logging\LogPage;
use MediaWiki\Page\ContentModelChangeFactory;
use MediaWiki\Page\WikiPageFactory;
use MediaWiki\Revision\RevisionLookup;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\SlotRecord;
use MediaWiki\SpecialPage\FormSpecialPage;
use MediaWiki\Status\Status;
use MediaWiki\Title\Title;
use SearchEngineFactory;
/**
* @ingroup SpecialPage
*/
class SpecialChangeContentModel extends FormSpecialPage {
private IContentHandlerFactory $contentHandlerFactory;
private ContentModelChangeFactory $contentModelChangeFactory;
private SpamChecker $spamChecker;
private RevisionLookup $revisionLookup;
private WikiPageFactory $wikiPageFactory;
private SearchEngineFactory $searchEngineFactory;
private CollationFactory $collationFactory;
public function __construct(
IContentHandlerFactory $contentHandlerFactory,
ContentModelChangeFactory $contentModelChangeFactory,
SpamChecker $spamChecker,
RevisionLookup $revisionLookup,
WikiPageFactory $wikiPageFactory,
SearchEngineFactory $searchEngineFactory,
CollationFactory $collationFactory
) {
parent::__construct( 'ChangeContentModel', 'editcontentmodel' );
$this->contentHandlerFactory = $contentHandlerFactory;
$this->contentModelChangeFactory = $contentModelChangeFactory;
$this->spamChecker = $spamChecker;
$this->revisionLookup = $revisionLookup;
$this->wikiPageFactory = $wikiPageFactory;
$this->searchEngineFactory = $searchEngineFactory;
$this->collationFactory = $collationFactory;
}
public function doesWrites() {
return true;
}
/**
* @var Title|null
*/
private $title;
/**
* @var RevisionRecord|bool|null
*
* A RevisionRecord object, false if no revision exists, null if not loaded yet
*/
private $oldRevision;
protected function setParameter( $par ) {
$par = $this->getRequest()->getVal( 'pagetitle', $par );
$title = Title::newFromText( $par );
if ( $title ) {
$this->title = $title;
$this->par = $title->getPrefixedText();
} else {
$this->par = '';
}
}
protected function postHtml() {
$text = '';
if ( $this->title ) {
$contentModelLogPage = new LogPage( 'contentmodel' );
$text = Html::element( 'h2', [], $contentModelLogPage->getName()->text() );
$out = '';
LogEventsList::showLogExtract( $out, 'contentmodel', $this->title );
$text .= $out;
}
return $text;
}
protected function getDisplayFormat() {
return 'ooui';
}
protected function alterForm( HTMLForm $form ) {
$this->addHelpLink( 'Help:ChangeContentModel' );
if ( $this->title ) {
$form->setFormIdentifier( 'modelform' );
} else {
$form->setFormIdentifier( 'titleform' );
}
// T120576
$form->setSubmitTextMsg( 'changecontentmodel-submit' );
if ( $this->title ) {
$this->getOutput()->addBacklinkSubtitle( $this->title );
}
}
public function validateTitle( $title ) {
// Already validated by HTMLForm, but if not, throw
// an exception instead of a fatal
$titleObj = Title::newFromTextThrow( $title );
$this->oldRevision = $this->revisionLookup->getRevisionByTitle( $titleObj ) ?: false;
if ( $this->oldRevision ) {
$oldContent = $this->oldRevision->getContent( SlotRecord::MAIN );
if ( !$oldContent->getContentHandler()->supportsDirectEditing() ) {
return $this->msg( 'changecontentmodel-nodirectediting' )
->params( ContentHandler::getLocalizedName( $oldContent->getModel() ) )
->escaped();
}
}
return true;
}
protected function getFormFields() {
$fields = [
'pagetitle' => [
'type' => 'title',
'creatable' => true,
'name' => 'pagetitle',
'default' => $this->par,
'label-message' => 'changecontentmodel-title-label',
'validation-callback' => [ $this, 'validateTitle' ],
],
];
if ( $this->title ) {
$options = $this->getOptionsForTitle( $this->title );
if ( !$options ) {
throw new ErrorPageError(
'changecontentmodel-emptymodels-title',
'changecontentmodel-emptymodels-text',
[ $this->title->getPrefixedText() ]
);
}
$fields['pagetitle']['readonly'] = true;
$fields += [
'model' => [
'type' => 'select',
'name' => 'model',
'default' => $this->title->getContentModel(),
'options' => $options,
'label-message' => 'changecontentmodel-model-label'
],
'reason' => [
'type' => 'text',
'maxlength' => CommentStore::COMMENT_CHARACTER_LIMIT,
'name' => 'reason',
'validation-callback' => function ( $reason ) {
if ( $reason === null || $reason === '' ) {
// Null on form display, or no reason given
return true;
}
$match = $this->spamChecker->checkSummary( $reason );
if ( $match ) {
return $this->msg( 'spamprotectionmatch', $match )->parse();
}
return true;
},
'label-message' => 'changecontentmodel-reason-label',
],
];
}
return $fields;
}
/**
* @return array $options An array of data for an OOUI drop-down list. The array keys
* correspond to the human readable text in the drop-down list. The array values
* correspond to the <option value="">.
*/
private function getOptionsForTitle( ?Title $title = null ) {
$models = $this->contentHandlerFactory->getContentModels();
$options = [];
foreach ( $models as $model ) {
$handler = $this->contentHandlerFactory->getContentHandler( $model );
if ( !$handler->supportsDirectEditing() ) {
continue;
}
if ( $title ) {
if ( !$handler->canBeUsedOn( $title ) ) {
continue;
}
}
$options[ContentHandler::getLocalizedName( $model )] = $model;
}
// Put the options in the drop-down list in alphabetical order.
// Sort by array key, case insensitive.
$collation = $this->collationFactory->getCategoryCollation();
uksort( $options, static function ( $a, $b ) use ( $collation ) {
$a = $collation->getSortKey( $a );
$b = $collation->getSortKey( $b );
return strcmp( $a, $b );
} );
return $options;
}
public function onSubmit( array $data ) {
$this->title = Title::newFromText( $data['pagetitle'] );
$page = $this->wikiPageFactory->newFromTitle( $this->title );
$changer = $this->contentModelChangeFactory->newContentModelChange(
$this->getContext()->getAuthority(),
$page,
$data['model']
);
$permissionStatus = $changer->authorizeChange();
if ( !$permissionStatus->isGood() ) {
$out = $this->getOutput();
$wikitext = $out->formatPermissionStatus( $permissionStatus );
// Hack to get our wikitext parsed
return Status::newFatal( new RawMessage( '$1', [ $wikitext ] ) );
}
$status = $changer->doContentModelChange(
$this->getContext(),
$data['reason'],
true
);
return $status;
}
public function onSuccess() {
$out = $this->getOutput();
$out->setPageTitleMsg( $this->msg( 'changecontentmodel-success-title' ) );
$out->addWikiMsg( 'changecontentmodel-success-text', $this->title );
}
/**
* Return an array of subpages beginning with $search that this special page will accept.
*
* @param string $search Prefix to search for
* @param int $limit Maximum number of results to return (usually 10)
* @param int $offset Number of results to skip (usually 0)
* @return string[] Matching subpages
*/
public function prefixSearchSubpages( $search, $limit, $offset ) {
return $this->prefixSearchString( $search, $limit, $offset, $this->searchEngineFactory );
}
protected function getGroupName() {
return 'pagetools';
}
}
/** @deprecated class alias since 1.41 */
class_alias( SpecialChangeContentModel::class, 'SpecialChangeContentModel' );