From 8041b15631163a49eacc9eaedfa3ef8e326253f3 Mon Sep 17 00:00:00 2001
From: Jeremy Cunningham <jpcunningh@gmail.com>
Date: Sun, 10 Nov 2019 15:56:55 -0600
Subject: [PATCH 1/3] don't use dynamic scale unless have entries

---
 lib/client/chart.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/client/chart.js b/lib/client/chart.js
index a40aa8ff542..30ad00641fe 100644
--- a/lib/client/chart.js
+++ b/lib/client/chart.js
@@ -118,7 +118,7 @@ function init (client, d3, $) {
   }
 
   function dynamicDomainOrElse (defaultDomain) {
-    if (client.settings.scaleY === 'linear' || client.settings.scaleY === 'log-dynamic') {
+    if (client.entries && (client.entries.length > 0) && (client.settings.scaleY === 'linear' || client.settings.scaleY === 'log-dynamic')) {
       return dynamicDomain();
     } else {
       return defaultDomain;

From 6d8055a6ac9257d7c43c2222df0353d9a7b01cc3 Mon Sep 17 00:00:00 2001
From: Jeremy Cunningham <jpcunningh@gmail.com>
Date: Sun, 10 Nov 2019 21:07:14 -0600
Subject: [PATCH 2/3] fix report crash when no entries

---
 lib/report_plugins/glucosedistribution.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/report_plugins/glucosedistribution.js b/lib/report_plugins/glucosedistribution.js
index 4a5e7dd31fb..c2709cd28e5 100644
--- a/lib/report_plugins/glucosedistribution.js
+++ b/lib/report_plugins/glucosedistribution.js
@@ -146,6 +146,11 @@ glucosedistribution.report = function report_glucosedistribution (datastorage, s
 
   var glucose_data = [data[0]];
 
+  if (data.length === 0) {
+    $('#glucosedistribution-days').text(translate('Result is empty'));
+    return;
+  }
+
   // data cleaning pass 1 - add interpolated missing points
   for (i = 0; i <= data.length - 2; i++) {
     var entry = data[i];

From c3e9d3f169a3fe375e4440ba8adfdce5ddef442a Mon Sep 17 00:00:00 2001
From: Jeremy Cunningham <jpcunningh@gmail.com>
Date: Sun, 10 Nov 2019 21:31:30 -0600
Subject: [PATCH 3/3] set forecastTime correctly when no entries present

---
 lib/client/chart.js | 5 ++++-
 lib/client/index.js | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/client/chart.js b/lib/client/chart.js
index 30ad00641fe..d37f9047e97 100644
--- a/lib/client/chart.js
+++ b/lib/client/chart.js
@@ -714,7 +714,10 @@ function init (client, d3, $) {
       }
 
       maxForecastMills = Math.min(focusHoursAheadMills, maxForecastMills);
-      client.forecastTime = maxForecastMills > 0 ? maxForecastMills - client.sbx.lastSGVMills() : 0;
+
+      var lastSGVMills = client.sbx.lastSGVMills();
+
+      client.forecastTime = ((maxForecastMills > 0) && lastSGVMills) ? maxForecastMills - lastSGVMills : client.defaultForecastTime;
     }
   };
 
diff --git a/lib/client/index.js b/lib/client/index.js
index 8c5d22f5c82..84f0dff70fb 100644
--- a/lib/client/index.js
+++ b/lib/client/index.js
@@ -131,7 +131,7 @@ client.load = function load (serverSettings, callback) {
 
   client.now = Date.now();
   client.ddata = require('../data/ddata')();
-  client.forecastTime = times.mins(30).msecs;
+  client.forecastTime = client.defaultForecastTime = times.mins(30).msecs;
   client.entries = [];
   client.ticks = require('./ticks');