1 files changed, 75 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/ArticlePurge.php b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/ArticlePurge.php
new file mode 100644
index 00000000..26ecfa8a
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/ArticlePurge.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace SMW\MediaWiki\Hooks;
+
+use SMW\ApplicationFactory;
+use SMW\DIProperty;
+use SMW\DIWikiPage;
+use SMW\EventHandler;
+use WikiPage;
+
+/**
+ * A function hook being executed before running "&action=purge"
+ *
+ * A temporary cache entry is created to mark and identify the
+ * Article that has been purged.
+ *
+ * @see http://www.mediawiki.org/wiki/Manual:Hooks/ArticlePurge
+ *
+ * @license GNU GPL v2+
+ * @since 1.9
+ *
+ * @author mwjames
+ */
+class ArticlePurge {
+
+	/**
+	 * @since 1.9
+	 *
+	 * @return true
+	 */
+	public function process( WikiPage &$wikiPage ) {
+
+		$applicationFactory = ApplicationFactory::getInstance();
+
+		$pageId = $wikiPage->getTitle()->getArticleID();
+		$settings = $applicationFactory->getSettings();
+
+		$cache = $applicationFactory->getCache();
+		$cacheFactory = $applicationFactory->newCacheFactory();
+
+		if ( $pageId > 0 ) {
+			$cache->save(
+				$cacheFactory->getPurgeCacheKey( $pageId ),
+				$settings->get( 'smwgAutoRefreshOnPurge' )
+			);
+		}
+
+		$dispatchContext = EventHandler::getInstance()->newDispatchContext();
+		$dispatchContext->set( 'title', $wikiPage->getTitle() );
+		$dispatchContext->set( 'context', 'ArticlePurge' );
+
+		if ( $settings->isFlagSet( 'smwgFactboxFeatures', SMW_FACTBOX_PURGE_REFRESH ) ) {
+			EventHandler::getInstance()->getEventDispatcher()->dispatch(
+				'factbox.cache.delete',
+				$dispatchContext
+			);
+		}
+
+		if ( $settings->get( 'smwgQueryResultCacheRefreshOnPurge' ) ) {
+
+			$dispatchContext->set( 'ask', $applicationFactory->getStore()->getPropertyValues(
+				DIWikiPage::newFromTitle( $wikiPage->getTitle() ),
+				new DIProperty( '_ASK') )
+			);
+
+			EventHandler::getInstance()->getEventDispatcher()->dispatch(
+				'cached.prefetcher.reset',
+				$dispatchContext
+			);
+		}
+
+		return true;
+	}
+
+}