From 5a19d47376d1241245a84ad609aa7f450038a855 Mon Sep 17 00:00:00 2001
From: Rishabh Saxena <orishabh1@gmail.com>
Date: Thu, 10 Mar 2016 03:20:15 +0530
Subject: [PATCH] checking if no tickets are purchased. passing tests.

---
 app/controllers/conference_registrations_controller.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/controllers/conference_registrations_controller.rb b/app/controllers/conference_registrations_controller.rb
index d7d111ca..34a1effd 100644
--- a/app/controllers/conference_registrations_controller.rb
+++ b/app/controllers/conference_registrations_controller.rb
@@ -87,7 +87,9 @@ class ConferenceRegistrationsController < ApplicationController
   def destroy
     tickets_purchased = TicketPurchase.find_by(conference_id: @registration.conference_id)
     if @registration.destroy
-      tickets_purchased.destroy
+      if tickets_purchased
+        tickets_purchased.destroy
+      end
       redirect_to root_path,
                   notice: "You are not registered for #{@conference.title} anymore!"
     else