Wikia code/DONE/includes/LogEventsList.php

Merged into core here: https://www.mediawiki.org/wiki/Special:Code/MediaWiki/97342

--- D:\Programming\SVN\mediawiki\branches\REL1_16\phase3\includes\LogEventsList.php	2011-07-18 22:31:28.147461000 +0100
+++ D:\Programming\SVN\wikia\trunk\includes\LogEventsList.php	2011-08-17 15:28:46.510742200 +0100
@@ -273,6 +273,7 @@
 	public function logLine( $row ) {
 		global $wgLang, $wgUser, $wgContLang;
 
+		$row->user_name = $this->fixUserName($row->user_name, $row->log_user);
 		$title = Title::makeTitle( $row->log_namespace, $row->log_title );
 		$classes = array( "mw-logline-{$row->log_type}" );
 		$time = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->log_timestamp ), true );
@@ -690,6 +691,13 @@
 			$s = str_replace( '$1', $s, $wrap );
 		}
 
+		/* Wikia change begin - @author: Macbre */
+		/* hook can return false, if we don't want the message to be emitted (BugId:7093) */
+		if (!wfRunHooks('LogEventsListShowLogExtract', array(&$s, $types, $page, $user, $param))) {
+			return $pager->getNumRows();
+		}
+		/* Wikia change end */
+
 		// $out can be either an OutputPage object or a String-by-reference
 		if( $out instanceof OutputPage ){
 			$out->addHTML( $s );
@@ -723,6 +731,23 @@
 		}
 		return false;
 	}
+
+	/**
+	 * if user_name is empty - use User class to get his name
+	 * @param $user_name string
+	 * @param $user_id integer
+	 * @return string
+	 */
+	public function fixUserName($user_name, $user_id) {
+		if ( empty($user_name) ) {
+			$oUser = User::newFromID($user_id);
+			if ( $oUser instanceof User ) {
+				$user_name = $oUser->getName();
+			}
+		}
+
+		return $user_name;
+	}
 }
 
 /**
@@ -952,6 +977,10 @@
 		if( $this->getNumRows() > 0 ) {
 			$lb = new LinkBatch;
 			while( $row = $this->mResult->fetchObject() ) {
+				$row->user_name = $this->mLogEventsList->fixUserName($row->user_name, $row->log_user);
+				if ( empty($row->user_name) ) {
+					continue;
+				}
 				$lb->add( $row->log_namespace, $row->log_title );
 				$lb->addObj( Title::makeTitleSafe( NS_USER, $row->user_name ) );
 				$lb->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->user_name ) );