+
+ /**
+ * Determine if said field of a revision is hidden
+ * @param RCCacheEntry $rc
+ * @param int $field one of DELETED_* bitfield constants
+ * @return bool
+ */
+ public static function isDeleted( $rc, $field ) {
+ return ($rc->mAttribs['rc_deleted'] & $field) == $field;
+ }
+
+ /**
+ * Determine if the current user is allowed to view a particular
+ * field of this revision, if it's marked as deleted.
+ * @param RCCacheEntry $rc
+ * @param int $field
+ * @return bool
+ */
+ public static function userCan( $rc, $field ) {
+ if( ( $rc->mAttribs['rc_deleted'] & $field ) == $field ) {
+ global $wgUser;
+ $permission = ( $rc->mAttribs['rc_deleted'] & Revision::DELETED_RESTRICTED ) == Revision::DELETED_RESTRICTED
+ ? 'suppressrevision'
+ : 'deleterevision';
+ wfDebug( "Checking for $permission due to $field match on $rc->mAttribs['rc_deleted']\n" );
+ return $wgUser->isAllowed( $permission );
+ } else {
+ return true;
+ }
+ }