2 files changed, 17 insertions, 49 deletions

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 ) = @_;
diff --git a/lib/DBInfoscreen/Controller/Wagenreihung.pm b/lib/DBInfoscreen/Controller/Wagenreihung.pm
index 7b59227..ecdb129 100644
--- a/lib/DBInfoscreen/Controller/Wagenreihung.pm
+++ b/lib/DBInfoscreen/Controller/Wagenreihung.pm
@@ -4,53 +4,12 @@ use Mojo::Base 'Mojolicious::Controller';
 # Copyright (C) 2011-2019 Daniel Friesel <derf+dbf@finalrewind.org>
 # License: 2-Clause BSD
 
-use Encode qw(decode);
-use JSON;
-use Mojo::Promise;
 use Travel::Status::DE::DBWagenreihung;
 
 my $dbf_version = qx{git describe --dirty} || 'experimental';
 
 chomp $dbf_version;
 
-sub get_wagenreihung_p {
-	my ( $self, $train_no, $api_ts ) = @_;
-
-	my $url
-	  = "https://www.apps-bahn.de/wr/wagenreihung/1.0/${train_no}/${api_ts}";
-
-	my $cache = $self->app->cache_iris_rt;
-
-	my $promise = Mojo::Promise->new;
-
-	if ( my $content = $cache->thaw($url) ) {
-		$promise->resolve($content);
-		$self->app->log->debug("GET $url (cached)");
-		return $promise;
-	}
-
-	$self->ua->request_timeout(10)
-	  ->get_p( $url, { 'User-Agent' => "dbf.finalrewind.org/${dbf_version}" } )
-	  ->then(
-		sub {
-			my ($tx) = @_;
-			$self->app->log->debug("GET $url (OK)");
-			my $body = decode( 'utf-8', $tx->res->body );
-			my $json = JSON->new->decode($body);
-
-			$cache->freeze( $url, $json );
-			$promise->resolve($json);
-		}
-	)->catch(
-		sub {
-			my ($err) = @_;
-			$self->app->log->debug("GET $url (error: $err)");
-			$promise->reject($err);
-		}
-	)->wait;
-	return $promise;
-}
-
 sub wagenreihung {
 	my ($self)    = @_;
 	my $train     = $self->stash('train');
@@ -58,7 +17,7 @@ sub wagenreihung {
 
 	$self->render_later;
 
-	$self->get_wagenreihung_p( $train, $departure )->then(
+	$self->wagonorder->get_p( $train, $departure )->then(
 		sub {
 			my ($json) = @_;
 			my $wr;