From 73a26015844091c43425e6a549ed05ec0e61c197 Mon Sep 17 00:00:00 2001
From: Arseniy Movshev <dodoradio@outlook.com>
Date: Fri, 30 Jun 2023 10:13:13 +0100
Subject: Check for data size before trying to load heartrate data

---
 src/cpp/hrGraph.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cpp/hrGraph.cpp b/src/cpp/hrGraph.cpp
index ea42b13..ccec424 100644
--- a/src/cpp/hrGraph.cpp
+++ b/src/cpp/hrGraph.cpp
@@ -77,6 +77,10 @@ void HrGraph::paint(QPainter *painter)
 void HrGraph::loadGraphData(QVariant fileDataInput) {
     qDebug() << "loadGraphData called";
     QList<QVariant> fileDataAsList = fileDataInput.toList();
+    if (fileDataAsList.count() < 1) {
+        qDebug() << "no heartrate data to show, failing load";
+        return;
+    }
     int j = fileDataAsList.count();
     minTime = fileDataAsList[0].toPoint().x();
     maxTime = fileDataAsList[j-1].toPoint().x();
-- 
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