From c289f6c9251908e73c206b8c76ef85b488decdb5 Mon Sep 17 00:00:00 2001
From: Boyi C <cby@cby.me>
Date: Fri, 18 Aug 2017 23:38:30 +0800
Subject: [PATCH] History data not updating (#385)

* History data not updating

Fix history data not updating. History chart data will cache for 3 minutes. To reload, change the period dropdown to another value and change back.

* remove history cache
---
 src/data/ha-state-history-data.html | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/src/data/ha-state-history-data.html b/src/data/ha-state-history-data.html
index 95a0b38026..44d037c2e7 100644
--- a/src/data/ha-state-history-data.html
+++ b/src/data/ha-state-history-data.html
@@ -3,7 +3,6 @@
 <script>
 (function () {
   var RECENT_THRESHOLD = 60000; // 1 minute
-  var DATE_CACHE = {};
   var RECENT_CACHE = {};
 
   function computeHistory(stateHistory) {
@@ -155,19 +154,17 @@
 
     getDate: function (startTime, endTime) {
       var filter = startTime.toISOString() + '?end_time=' + endTime.toISOString();
-      if (!DATE_CACHE[filter]) {
-        DATE_CACHE[filter] = this.hass.callApi('GET', 'history/period/' + filter).then(
-          function (stateHistory) {
-            return computeHistory(stateHistory);
-          },
-          function () {
-            DATE_CACHE[filter] = false;
-            return null;
-          }
-        );
-      }
 
-      return DATE_CACHE[filter];
+      var prom = this.hass.callApi('GET', 'history/period/' + filter).then(
+        function (stateHistory) {
+          return computeHistory(stateHistory);
+        },
+        function () {
+          return null;
+        }
+      );
+
+      return prom;
     },
   });
 }());