From ef3753ea59541bab79dd8ae72b45cf2046502307 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Thu, 3 Jan 2019 18:18:13 +0100
Subject: handle empty Baureihe (e.g. for swiss EC trains)

---
 bin/db-wagenreihung                          | 3 ++-
 lib/Travel/Status/DE/DBWagenreihung.pm       | 3 +++
 lib/Travel/Status/DE/DBWagenreihung/Wagon.pm | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/bin/db-wagenreihung b/bin/db-wagenreihung
index 3757654..11572a9 100755
--- a/bin/db-wagenreihung
+++ b/bin/db-wagenreihung
@@ -134,6 +134,7 @@ for my $wagon ( $wr->wagons ) {
 	printf(
 		"%3s: %3s %10s  %s\n",
 		$wagon->number || '?',
-		$wagon->model, $wagon->type, join( q{  }, $wagon->attributes )
+		$wagon->model  || '???',
+		$wagon->type, join( q{  }, $wagon->attributes )
 	);
 }
diff --git a/lib/Travel/Status/DE/DBWagenreihung.pm b/lib/Travel/Status/DE/DBWagenreihung.pm
index 0bc7ae6..51253f9 100644
--- a/lib/Travel/Status/DE/DBWagenreihung.pm
+++ b/lib/Travel/Status/DE/DBWagenreihung.pm
@@ -176,6 +176,9 @@ sub train_subtype {
 	);
 
 	for my $wagon (@wagons) {
+		if ( not $wagon->model ) {
+			next;
+		}
 		if ( $wagon->model == 401
 			or ( $wagon->model >= 801 and $wagon->model <= 804 ) )
 		{
diff --git a/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm b/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm
index 9d6199f..2f45e2a 100644
--- a/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm
+++ b/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm
@@ -73,7 +73,7 @@ sub new {
 	$ref->{section}       = $opt{fahrzeugsektor};
 	$ref->{type}          = $opt{fahrzeugtyp};
 
-	$ref->{model} =~ s{^.....(...)....$}{$1};
+	$ref->{model} =~ s{^.....(...)....$}{$1} or $ref->{model} = undef;
 
 	my $self = bless( $ref, $obj );
 
-- 
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