From baec82f66197a8d17c44b65f2b6bc8729e6d868a Mon Sep 17 00:00:00 2001
From: Josh <josha5@outlook.com>
Date: Wed, 19 Jul 2017 14:30:36 -0400
Subject: [PATCH] ensure user is in wait list before attempting to remove

---
 config/initializers/waiting_list.rb | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/config/initializers/waiting_list.rb b/config/initializers/waiting_list.rb
index a3c536b4..0bd8bbe2 100644
--- a/config/initializers/waiting_list.rb
+++ b/config/initializers/waiting_list.rb
@@ -17,9 +17,11 @@ class WaitingList
   def self.remove(room, user, meeting)
     if @waiting.has_key?(room) then
       if @waiting[room].has_key?(meeting) then
-        @waiting[room][meeting].slice!(@waiting[room][meeting].index(user))
-        @waiting[room].delete(meeting) if @waiting[room][meeting].length == 0
-        @waiting.delete(room) if @waiting[room].length == 0
+        if @waiting[room][meeting].include?(user) then
+          @waiting[room][meeting].slice!(@waiting[room][meeting].index(user))
+          @waiting[room].delete(meeting) if @waiting[room][meeting].length == 0
+          @waiting.delete(room) if @waiting[room].length == 0
+        end
       end
     end
   end