From 221291b9c46863755aa2da03edd10922e37e3e0d Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Wed, 2 Jan 2019 18:31:58 +0100
Subject: add train type-specific data (e.g. phone/quiet areas)

---
 lib/Travel/Status/DE/DBWagenreihung.pm | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'lib/Travel/Status/DE/DBWagenreihung.pm')

diff --git a/lib/Travel/Status/DE/DBWagenreihung.pm b/lib/Travel/Status/DE/DBWagenreihung.pm
index 962211a..0bc7ae6 100644
--- a/lib/Travel/Status/DE/DBWagenreihung.pm
+++ b/lib/Travel/Status/DE/DBWagenreihung.pm
@@ -158,6 +158,10 @@ sub train_no {
 sub train_subtype {
 	my ($self) = @_;
 
+	if ( exists $self->{train_subtype} ) {
+		return $self->{train_subtype};
+	}
+
 	my @wagons = $self->wagons;
 
 	my %ml = (
@@ -210,7 +214,8 @@ sub train_subtype {
 		return undef;
 	}
 
-	return $likelihood[0];
+	$self->{train_subtype} = $likelihood[0];
+	return $self->{train_subtype};
 }
 
 sub wagons {
@@ -241,6 +246,17 @@ sub wagons {
 	@{ $self->{wagons} } = sort {
 		$a->{position}->{start_percent} <=> $b->{position}->{start_percent}
 	} @{ $self->{wagons} };
+
+	# ->train_subtype calls ->wagons, so this call must not be made before
+	# $self->{wagons} has beet set.
+	my $tt = $self->train_subtype;
+
+	if ($tt) {
+		for my $wagon ( @{ $self->{wagons} } ) {
+			$wagon->set_traintype($tt);
+		}
+	}
+
 	return @{ $self->{wagons} // [] };
 }
 
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