1 files changed, 60 insertions, 0 deletions
diff --git a/includes/specials/SpecialUnusedimages.php b/includes/specials/SpecialUnusedimages.php
new file mode 100644
index 00000000..d71b638f
--- /dev/null
+++ b/includes/specials/SpecialUnusedimages.php
@@ -0,0 +1,60 @@
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * implements Special:Unusedimages
+ * @ingroup SpecialPage
+ */
+class UnusedimagesPage extends ImageQueryPage {
+
+	function isExpensive() { return true; }
+
+	function getName() {
+		return 'Unusedimages';
+	}
+
+	function sortDescending() {
+		return false;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		global $wgCountCategorizedImagesAsUsed;
+		$dbr = wfGetDB( DB_SLAVE );
+
+		if ( $wgCountCategorizedImagesAsUsed ) {
+			list( $page, $image, $imagelinks, $categorylinks ) = $dbr->tableNamesN( 'page', 'image', 'imagelinks', 'categorylinks' );
+
+			return "SELECT 'Unusedimages' as type, 6 as namespace, img_name as title, img_timestamp as value,
+						img_user, img_user_text,  img_description
+					FROM ((($page AS I LEFT JOIN $categorylinks AS L ON I.page_id = L.cl_from)
+						LEFT JOIN $imagelinks AS P ON I.page_title = P.il_to)
+						INNER JOIN $image AS G ON I.page_title = G.img_name)
+					WHERE I.page_namespace = ".NS_IMAGE." AND L.cl_from IS NULL AND P.il_to IS NULL";
+		} else {
+			list( $image, $imagelinks ) = $dbr->tableNamesN( 'image','imagelinks' );
+
+			return "SELECT 'Unusedimages' as type, 6 as namespace, img_name as title, img_timestamp as value,
+				img_user, img_user_text,  img_description
+				FROM $image LEFT JOIN $imagelinks ON img_name=il_to WHERE il_to IS NULL ";
+		}
+	}
+
+	function getPageHeader() {
+		return wfMsgExt( 'unusedimagestext', array( 'parse') );
+	}
+
+}
+
+/**
+ * Entry point
+ */
+function wfSpecialUnusedimages() {
+	list( $limit, $offset ) = wfCheckLimits();
+	$uip = new UnusedimagesPage();
+
+	return $uip->doQuery( $offset, $limit );
+}