1 files changed, 140 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/NewRevisionFromEditComplete.php b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/NewRevisionFromEditComplete.php
new file mode 100644
index 00000000..b15b3fbc
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/NewRevisionFromEditComplete.php
@@ -0,0 +1,140 @@
+<?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();
+	}
+
+}