1 files changed, 87 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/SpecialStatsAddExtra.php b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/SpecialStatsAddExtra.php
new file mode 100644
index 00000000..42389e28
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/SpecialStatsAddExtra.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace SMW\MediaWiki\Hooks;
+
+use SMW\DataTypeRegistry;
+use SMW\Store;
+
+/**
+ * Add extra statistic at the end of Special:Statistics
+ *
+ * @see https://www.mediawiki.org/wiki/Manual:Hooks/SpecialStatsAddExtra
+ *
+ * @license GNU GPL v2+
+ * @since 1.9
+ *
+ * @author mwjames
+ */
+class SpecialStatsAddExtra extends HookHandler {
+
+	/**
+	 * @var Store
+	 */
+	private $store;
+
+	/**
+	 * @var string[]
+	 */
+	private $messageMapper = [
+		'PROPUSES'    => 'smw-statistics-property-instance',
+		'ERRORUSES'   => 'smw-statistics-error-count',
+		'TOTALPROPS'  => 'smw-statistics-property-total',
+		'USEDPROPS'   => 'smw-statistics-property-used',
+		'OWNPAGE'     => 'smw-statistics-property-page',
+		'DECLPROPS'   => 'smw-statistics-property-type',
+		'DELETECOUNT' => 'smw-statistics-delete-count',
+		'SUBOBJECTS'  => 'smw-statistics-subobject-count',
+		'QUERY'       => 'smw-statistics-query-inline',
+		'CONCEPTS'    => 'smw-statistics-concept-count',
+	];
+
+	/**
+	 * @since  1.9
+	 *
+	 * @param Store $store
+	 */
+	public function __construct( Store $store ) {
+		$this->store = $store;
+	}
+
+	/**
+	 * @since 1.9
+	 *
+	 * @param array &$extraStats
+	 *
+	 * @return true
+	 */
+	public function process( array &$extraStats ) {
+
+		if ( !$this->getOption( 'smwgSemanticsEnabled', false ) ) {
+			return true;
+		}
+
+		$this->copyStatistics( $extraStats );
+
+		return true;
+	}
+
+	private function copyStatistics( &$extraStats ) {
+
+		$statistics = $this->store->getStatistics();
+
+		$extraStats['smw-statistics'] = [];
+
+		foreach ( $this->messageMapper as $key => $message ) {
+			if ( isset( $statistics[$key] ) ) {
+				$extraStats['smw-statistics'][$message] = $statistics[$key];
+			}
+		}
+
+		$count = count(
+			DataTypeRegistry::getInstance()->getKnownTypeLabels()
+		);
+
+		$extraStats['smw-statistics']['smw-statistics-datatype-count'] = $count;
+	}
+
+}