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-rw-r--r--includes/specials/SpecialUnusedimages.php60
1 files changed, 60 insertions, 0 deletions
diff --git a/includes/specials/SpecialUnusedimages.php b/includes/specials/SpecialUnusedimages.php
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+++ b/includes/specials/SpecialUnusedimages.php
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+<?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 );
+}