From c6c82c13085ac1befd39613400ce1784db43aaf8 Mon Sep 17 00:00:00 2001
From: Mike Shoup <mike@shoup.io>
Date: Sat, 13 Oct 2018 17:47:42 -0600
Subject: [PATCH] Add logout

---
 html/index.html       |  3 +++
 html/js/thermostat.js | 14 ++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/html/index.html b/html/index.html
index 293cd53..714e9ee 100644
--- a/html/index.html
+++ b/html/index.html
@@ -23,6 +23,9 @@
         <div class="row" style="margin-top: 10rem">
             <h6 id="version"></h6>
         </div>
+        <div class="row">
+            <div class="one columns offset-by-eleven" id="logoutDiv"></div>
+        </div>
     </div>
 </body>
 </html>
diff --git a/html/js/thermostat.js b/html/js/thermostat.js
index 6ad7f7f..3826ede 100644
--- a/html/js/thermostat.js
+++ b/html/js/thermostat.js
@@ -37,6 +37,20 @@ function renderVersion() {
 };
 $(document).ready(renderVersion);
 
+function displayLogoutButton() {
+    if (window.localStorage.getItem("authtoken") !== null) {
+        // Display a logout button
+        var logoutButton = $("<button>")
+            .text('Logout')
+            .click(function() {
+                window.localStorage.removeItem("authtoken");
+                window.location.replace(jsconfig.baseurl + "/app/login.html");
+            });
+        $("#logoutDiv").append(logoutButton);
+    };
+}
+
+$(document).ready(displayLogoutButton);
 
 function celsiusToFahrenheit(degree) {
     return degree * 1.8 + 32;