From 11b0ed44d25bcbf1f20e5d9ad4932042739a02bb Mon Sep 17 00:00:00 2001
From: Sahat Yalkabov <sakhat@gmail.com>
Date: Mon, 18 Nov 2013 14:07:59 -0500
Subject: [PATCH] Added validation check for duplicate emails

---
 controllers/user.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/controllers/user.js b/controllers/user.js
index 3c5db28ec6..4aa5ed905c 100644
--- a/controllers/user.js
+++ b/controllers/user.js
@@ -38,8 +38,13 @@ exports.postSignup = function(req, res) {
   // TODO: add User.schema.path validation
   // TODO: check if user already exists in user.save() by catching that error
   user.save(function(err) {
-    if (err) throw err;
-    console.log('New user created');
+    if (err) {
+      if (err.code === 11000) {
+        return res.send('Duplicate user detected');
+      } else {
+        return res.send('Database validation error');
+      }
+    }
     req.login(user, function(err) {
       if (err) throw err;
       res.redirect('/');