From c7bee023a4e00c48edd092c0bfe93d4cd650eff5 Mon Sep 17 00:00:00 2001
From: Andreas Hubel
Date: Sat, 31 Oct 2020 21:13:03 +0100
Subject: bugfix for empty schedule

---
 model/Schedule.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'model')

diff --git a/model/Schedule.php b/model/Schedule.php
index 739d2c8..52eac4e 100644
--- a/model/Schedule.php
+++ b/model/Schedule.php
@@ -295,9 +295,11 @@ class Schedule
 	{
 		$sum = 0;
 		$schedule = $this->getSchedule();
-		foreach(reset($schedule) as $event)
-			$sum += $event['duration'];
-
+		if ($schedule) {
+			foreach(reset($schedule) as $event) {
+				$sum += $event['duration'];
+			}
+		}
 		return $sum;
 	}
 
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