From a47f05ab18ef7909512bc2390597596349a904bc Mon Sep 17 00:00:00 2001
From: Douglas Barone <douglasvbarone@gmail.com>
Date: Thu, 17 Dec 2020 13:04:38 -0400
Subject: [PATCH] Handle the zero device case

---
 server/src/lib/paloalto.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/src/lib/paloalto.js b/server/src/lib/paloalto.js
index 72b03e6..c3cb74e 100644
--- a/server/src/lib/paloalto.js
+++ b/server/src/lib/paloalto.js
@@ -37,6 +37,8 @@ async function updateUserIdMappings() {
       }
     })
 
+    if (wifiDevices.length == 0) return 0
+
     const entries = wifiDevices.reduce(
       (entries, device) =>
         entries +