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<?php
namespace SMW\MediaWiki\Hooks;
use ParserOutput;
use SMW\ApplicationFactory;
use SMW\EventHandler;
use SMW\MediaWiki\EditInfoProvider;
use SMW\MediaWiki\PageInfoProvider;
use Title;
/**
* Hook: NewRevisionFromEditComplete called when a revision was inserted
* due to an edit
*
* Fetch additional information that is related to the saving that has just happened,
* e.g. regarding the last edit date. In runs where this hook is not triggered, the
* last DB entry (of MW) will be used to fill such properties.
*
* Called from LocalFile.php, SpecialImport.php, Article.php, Title.php
*
* @see https://www.mediawiki.org/wiki/Manual:Hooks/NewRevisionFromEditComplete
*
* @license GNU GPL v2+
* @since 1.9
*
* @author mwjames
*/
class NewRevisionFromEditComplete extends HookHandler {
/**
* @var Title
*/
private $title;
/**
* @var EditInfoProvider
*/
private $editInfoProvider;
/**
* @var PageInfoProvider
*/
private $pageInfoProvider;
/**
* @since 1.9
*
* @param Title $title
* @param EditInfoProvider $editInfoProvider
* @param PageInfoProvider $pageInfoProvider
*/
public function __construct( Title $title, EditInfoProvider $editInfoProvider, PageInfoProvider $pageInfoProvider ) {
parent::__construct();
$this->title = $title;
$this->editInfoProvider = $editInfoProvider;
$this->pageInfoProvider = $pageInfoProvider;
}
/**
* @since 1.9
*
* @return boolean
*/
public function process() {
$parserOutput = $this->editInfoProvider->fetchEditInfo()->getOutput();
$schema = null;
if ( !$parserOutput instanceof ParserOutput ) {
return true;
}
$applicationFactory = ApplicationFactory::getInstance();
$parserData = $applicationFactory->newParserData(
$this->title,
$parserOutput
);
if ( $this->title->getNamespace() === SMW_NS_SCHEMA ) {
$schemaFactory = $applicationFactory->singleton( 'SchemaFactory' );
try {
$schema = $schemaFactory->newSchema(
$this->title->getDBKey(),
$this->pageInfoProvider->getNativeData()
);
} catch( \Exception $e ) {
// Do nothing!
}
}
$this->addPredefinedPropertyAnnotation(
$applicationFactory,
$parserData,
$schema
);
$dispatchContext = EventHandler::getInstance()->newDispatchContext();
$dispatchContext->set( 'title', $this->title );
$dispatchContext->set( 'context', 'NewRevisionFromEditComplete' );
EventHandler::getInstance()->getEventDispatcher()->dispatch(
'cached.prefetcher.reset',
$dispatchContext
);
// If the concept was altered make sure to delete the cache
if ( $this->title->getNamespace() === SMW_NS_CONCEPT ) {
$applicationFactory->getStore()->deleteConceptCache( $this->title );
}
$parserData->pushSemanticDataToParserOutput();
return true;
}
private function addPredefinedPropertyAnnotation( $applicationFactory, $parserData, $schema = null ) {
$propertyAnnotatorFactory = $applicationFactory->singleton( 'PropertyAnnotatorFactory' );
$propertyAnnotator = $propertyAnnotatorFactory->newNullPropertyAnnotator(
$parserData->getSemanticData()
);
$propertyAnnotator = $propertyAnnotatorFactory->newPredefinedPropertyAnnotator(
$propertyAnnotator,
$this->pageInfoProvider
);
$propertyAnnotator = $propertyAnnotatorFactory->newSchemaPropertyAnnotator(
$propertyAnnotator,
$schema
);
$propertyAnnotator->addAnnotation();
}
}
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