From 102ae320a51ad320c05055ce06586062d57ae68f Mon Sep 17 00:00:00 2001
From: Erik Thayer <thayer.er@gmail.com>
Date: Fri, 20 Mar 2015 11:55:53 -0500
Subject: [PATCH] fix code usage init

---
 user-lock-manager.smartapp.groovy | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/user-lock-manager.smartapp.groovy b/user-lock-manager.smartapp.groovy
index 8752d13..9899530 100644
--- a/user-lock-manager.smartapp.groovy
+++ b/user-lock-manager.smartapp.groovy
@@ -161,9 +161,15 @@ def userHrefTitle(i) {
   return title
 }
 def userHrefDescription(i) {
+  if (!state.codeUsage) {
+    state.codeUsage = [:]
+  }
+  if (!state.codeUsage["code${i}"]) {
+    state.codeUsage["code${i}"] = 0
+  }
   def uc = settings."userCode${i}"
   def us = settings."userSlot${i}"
-  def usage = state.codeUsage["code${i}"]
+  def usage = state?.codeUsage["code${i}"]
   def description = ""
   if (us != null) {
     description += "Slot: ${us}"