From 2ca4a50194108d378b961fb8ddc9a0455933d96d Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Wed, 16 Sep 2020 17:21:49 +0200
Subject: all requests but IRIS are async now

---
 lib/DBInfoscreen/Controller/Stationboard.pm | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'lib/DBInfoscreen/Controller/Stationboard.pm')

diff --git a/lib/DBInfoscreen/Controller/Stationboard.pm b/lib/DBInfoscreen/Controller/Stationboard.pm
index 3b93ac3..1ea238c 100644
--- a/lib/DBInfoscreen/Controller/Stationboard.pm
+++ b/lib/DBInfoscreen/Controller/Stationboard.pm
@@ -412,13 +412,6 @@ sub render_train {
 		)
 	];
 
-	if ( $departure->{wr_link}
-		and
-		not $self->wagonorder->is_available( $result, $departure->{wr_link} ) )
-	{
-		$departure->{wr_link} = undef;
-	}
-
 	my $linetype = 'bahn';
 	if ( $departure->{train_type} eq 'S' ) {
 		$linetype = 'sbahn';
@@ -446,6 +439,22 @@ sub render_train {
 
 	$self->render_later;
 
+	# if wagonorder->is_available_p takes longer than get_route_timestamps_p,
+	# we'll have a useless (non-working) wagonorder link. That's okay.
+	if ( $departure->{wr_link} ) {
+		$self->wagonorder->is_available_p( $result, $departure->{wr_link} )
+		  ->then(
+			sub {
+				# great!
+				return;
+			},
+			sub {
+				$departure->{wr_link} = undef;
+				return;
+			}
+		)->wait;
+	}
+
 	$self->hafas->get_route_timestamps_p( train => $result )->then(
 		sub {
 			my ( $route_ts, $route_info, $trainsearch ) = @_;
-- 
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