From 608943255b40582a2046dee1e45e5ae17051b1f6 Mon Sep 17 00:00:00 2001
From: barisusakli <barisusakli@gmail.com>
Date: Wed, 5 Nov 2014 16:42:32 -0500
Subject: [PATCH] better check

---
 src/groups.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/groups.js b/src/groups.js
index 4168cdd7f1..787e520b5d 100644
--- a/src/groups.js
+++ b/src/groups.js
@@ -159,7 +159,7 @@ var async = require('async'),
 	};
 
 	Groups.isMember = function(uid, groupName, callback) {
-		if (typeof uid !== 'string' && !parseInt(uid, 10)) {
+		if (!uid || parseInt(uid, 10) <= 0) {
 			return callback(null, false);
 		}
 		db.isSetMember('group:' + groupName + ':members', uid, callback);
@@ -170,7 +170,7 @@ var async = require('async'),
 	};
 
 	Groups.isMemberOfGroups = function(uid, groups, callback) {
-		if (typeof uid !== 'string' && !parseInt(uid, 10)) {
+		if (!uid || parseInt(uid, 10) <= 0) {
 			return callback(null, groups.map(function() {return false;}));
 		}
 		groups = groups.map(function(groupName) {