From db2e06e1decb3b25df765b75326a8e35248d1def Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Sun, 26 Oct 2014 10:50:59 +0100
Subject: add support for canceled / additional stops. untested at the moment

---
 Build.PL                            |  1 +
 bin/db-iris                         | 27 +++++++++++++++++++--------
 lib/Travel/Status/DE/IRIS/Result.pm | 21 ++++++++++++++++++++-
 3 files changed, 40 insertions(+), 9 deletions(-)

diff --git a/Build.PL b/Build.PL
index 90de1eb..c7c02e1 100644
--- a/Build.PL
+++ b/Build.PL
@@ -25,6 +25,7 @@ Module::Build->new(
 		'DateTime::Format::Strptime' => 0,
 		'Encode' => 0,
 		'Getopt::Long' => 0,
+		'List::Compare' => '0.29',
 		'List::MoreUtils' => 0,
 		'List::Util' => 0,
 		'LWP::UserAgent' => 0,
diff --git a/bin/db-iris b/bin/db-iris
index 6e4accb..a362ccc 100755
--- a/bin/db-iris
+++ b/bin/db-iris
@@ -82,14 +82,16 @@ if ($time) {
 
 for my $efield (@edata_pre) {
 	given ($efield) {
-		when ('d') { $edata{delay}     = 1 }
-		when ('D') { $edata{delays}    = 1 }
-		when ('f') { $edata{fullroute} = 1 }
-		when ('m') { $edata{messages}  = 1 }
-		when ('q') { $edata{qos}       = 1 }
-		when ('r') { $edata{route}     = 1 }
-		when ('t') { $edata{times}     = 1 }
-		default    { $edata{$efield}   = 1 }
+		when ('a') { $edata{additional} = 1 }
+		when ('c') { $edata{canceled}   = 1 }
+		when ('d') { $edata{delay}      = 1 }
+		when ('D') { $edata{delays}     = 1 }
+		when ('f') { $edata{fullroute}  = 1 }
+		when ('m') { $edata{messages}   = 1 }
+		when ('q') { $edata{qos}        = 1 }
+		when ('r') { $edata{route}      = 1 }
+		when ('t') { $edata{times}      = 1 }
+		default    { $edata{$efield}    = 1 }
 	}
 }
 
@@ -247,6 +249,15 @@ sub display_result {
 			print "\n";
 		}
 
+		if ( $edata{additional} and $d->additional_stops ) {
+			printf( "Zusätzlicher Halt in: %s\n",
+				join( q{, }, $d->additional_stops ) );
+		}
+
+		if ( $edata{canceled} and $d->canceled_stops ) {
+			printf( "Ohne Halt in: %s\n", join( q{, }, $d->canceled_stops ) );
+		}
+
 		if ( $edata{fullroute} ) {
 			print "\n" . join( "\n", $d->route ) . "\n\n";
 		}
diff --git a/lib/Travel/Status/DE/IRIS/Result.pm b/lib/Travel/Status/DE/IRIS/Result.pm
index 85abee7..69ed01a 100644
--- a/lib/Travel/Status/DE/IRIS/Result.pm
+++ b/lib/Travel/Status/DE/IRIS/Result.pm
@@ -11,6 +11,7 @@ use parent 'Class::Accessor';
 use Carp qw(cluck);
 use DateTime;
 use DateTime::Format::Strptime;
+use List::Compare;
 use List::MoreUtils qw(none uniq firstval);
 
 our $VERSION = '0.05';
@@ -189,6 +190,24 @@ sub add_tl {
 	return $self;
 }
 
+sub additional_stops {
+	my ($self) = @_;
+
+	$self->{comparator}
+	  //= List::Compare->new( $self->{sched_route_post}, $self->{route_post} );
+
+	return $self->{comparator}->get_complement;
+}
+
+sub canceled_stops {
+	my ($self) = @_;
+
+	$self->{comparator}
+	  //= List::Compare->new( $self->{sched_route_post}, $self->{route_post} );
+
+	return $self->{comparator}->get_unique;
+}
+
 sub merge_with_departure {
 	my ( $self, $result ) = @_;
 
@@ -475,7 +494,7 @@ sub translate_msg {
 		64 => 'Weichenstörung',
 		55 => 'Technische Störung an einem anderen Zug',        # ?
 		57 => 'Zusätzlicher Halt',                              # ?
-		58 => 'Umleitung(?)',                                   # ?
+		58 => 'Umleitung(?)',                                    # ?
 		63 => 'Technische Untersuchung am Zug',
 		80 => 'Abweichende Wagenreihung',
 		82 => 'Mehrere Wagen fehlen',
-- 
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