1 files changed, 131 insertions, 0 deletions
diff --git a/includes/specials/SpecialWantedpages.php b/includes/specials/SpecialWantedpages.php
new file mode 100644
index 00000000..10133409
--- /dev/null
+++ b/includes/specials/SpecialWantedpages.php
@@ -0,0 +1,131 @@
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * implements Special:Wantedpages
+ * @ingroup SpecialPage
+ */
+class WantedPagesPage extends QueryPage {
+	var $nlinks;
+
+	function WantedPagesPage( $inc = false, $nlinks = true ) {
+		$this->setListoutput( $inc );
+		$this->nlinks = $nlinks;
+	}
+
+	function getName() {
+		return 'Wantedpages';
+	}
+
+	function isExpensive() {
+		return true;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		global $wgWantedPagesThreshold;
+		$count = $wgWantedPagesThreshold - 1;
+		$dbr = wfGetDB( DB_SLAVE );
+		$pagelinks = $dbr->tableName( 'pagelinks' );
+		$page      = $dbr->tableName( 'page' );
+		return
+			"SELECT 'Wantedpages' AS type,
+			        pl_namespace AS namespace,
+			        pl_title AS title,
+			        COUNT(*) AS value
+			 FROM $pagelinks
+			 LEFT JOIN $page AS pg1
+			 ON pl_namespace = pg1.page_namespace AND pl_title = pg1.page_title
+			 LEFT JOIN $page AS pg2
+			 ON pl_from = pg2.page_id
+			 WHERE pg1.page_namespace IS NULL
+			 AND pl_namespace NOT IN ( 2, 3 )
+			 AND pg2.page_namespace != 8
+			 GROUP BY pl_namespace, pl_title
+			 HAVING COUNT(*) > $count";
+	}
+
+	/**
+	 * Cache page existence for performance
+	 */
+	function preprocessResults( $db, $res ) {
+		$batch = new LinkBatch;
+		while ( $row = $db->fetchObject( $res ) )
+			$batch->add( $row->namespace, $row->title );
+		$batch->execute();
+
+		// Back to start for display
+		if ( $db->numRows( $res ) > 0 )
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+	}
+
+	/**
+	 * Format an individual result
+	 *
+	 * @param $skin Skin to use for UI elements
+	 * @param $result Result row
+	 * @return string
+	 */
+	public function formatResult( $skin, $result ) {
+		$title = Title::makeTitleSafe( $result->namespace, $result->title );
+		if( $title instanceof Title ) {
+			if( $this->isCached() ) {
+				$pageLink = $title->exists()
+					? '<s>' . $skin->makeLinkObj( $title ) . '</s>'
+					: $skin->makeBrokenLinkObj( $title );
+			} else {
+				$pageLink = $skin->makeBrokenLinkObj( $title );
+			}
+			return wfSpecialList( $pageLink, $this->makeWlhLink( $title, $skin, $result ) );
+		} else {
+			$tsafe = htmlspecialchars( $result->title );
+			return "Invalid title in result set; {$tsafe}";
+		}
+	}
+
+	/**
+	 * Make a "what links here" link for a specified result if required
+	 *
+	 * @param $title Title to make the link for
+	 * @param $skin Skin to use
+	 * @param $result Result row
+	 * @return string
+	 */
+	private function makeWlhLink( $title, $skin, $result ) {
+		global $wgLang;
+		if( $this->nlinks ) {
+			$wlh = SpecialPage::getTitleFor( 'Whatlinkshere' );
+			$label = wfMsgExt( 'nlinks', array( 'parsemag', 'escape' ),
+				$wgLang->formatNum( $result->value ) );
+			return $skin->makeKnownLinkObj( $wlh, $label, 'target=' . $title->getPrefixedUrl() );
+		} else {
+			return null;
+		}
+	}
+
+}
+
+/**
+ * constructor
+ */
+function wfSpecialWantedpages( $par = null, $specialPage ) {
+	$inc = $specialPage->including();
+
+	if ( $inc ) {
+		@list( $limit, $nlinks ) = explode( '/', $par, 2 );
+		$limit = (int)$limit;
+		$nlinks = $nlinks === 'nlinks';
+		$offset = 0;
+	} else {
+		list( $limit, $offset ) = wfCheckLimits();
+		$nlinks = true;
+	}
+
+	$wpp = new WantedPagesPage( $inc, $nlinks );
+
+	$wpp->doQuery( $offset, $limit, !$inc );
+}