From e74a1ee61211e6b99ce5e143f2c50edad0815851 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 31 May 2019 00:03:01 +0200
Subject: Handle "delay = cancel"

---
 lib/DBInfoscreen/Controller/Stationboard.pm | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/DBInfoscreen/Controller/Stationboard.pm b/lib/DBInfoscreen/Controller/Stationboard.pm
index 67fd727..758d370 100644
--- a/lib/DBInfoscreen/Controller/Stationboard.pm
+++ b/lib/DBInfoscreen/Controller/Stationboard.pm
@@ -273,11 +273,17 @@ sub get_route_timestamps {
 		};
 		if ( exists $traindelay->{stations}{$name} ) {
 			my $delay = $traindelay->{stations}{$name};
-			if ( $ret->{$name}{sched_arr} and $delay->{adelay} ) {
+			if (    $ret->{$name}{sched_arr}
+				and $delay->{adelay}
+				and $delay->{adelay} =~ m{^\d+$} )
+			{
 				$ret->{$name}{rt_arr} = $ret->{$name}{sched_arr}
 				  ->clone->add( minutes => $delay->{adelay} );
 			}
-			if ( $ret->{$name}{sched_dep} and $delay->{ddelay} ) {
+			if (    $ret->{$name}{sched_dep}
+				and $delay->{ddelay}
+				and $delay->{ddelay} =~ m{^\d+$} )
+			{
 				$ret->{$name}{rt_dep} = $ret->{$name}{sched_dep}
 				  ->clone->add( minutes => $delay->{ddelay} );
 			}
-- 
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