From ae8462fc983013bf27358a0d4a17cca73b8cb1e7 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 11 Sep 2015 19:52:11 +0200
Subject: exclusive _and_ inclusive mots \o/

---
 bin/hafas-m                   | 50 ++++++++++++++++++++++++-------------------
 lib/Travel/Status/DE/HAFAS.pm | 33 +++++++++++++++++++++-------
 2 files changed, 53 insertions(+), 30 deletions(-)

diff --git a/bin/hafas-m b/bin/hafas-m
index dc053c9..33a4d9f 100755
--- a/bin/hafas-m
+++ b/bin/hafas-m
@@ -10,8 +10,6 @@ use List::MoreUtils qw(uniq);
 use List::Util qw(first max);
 use Travel::Status::DE::HAFAS;
 
-my %train_type;
-
 my ( $date, $time );
 my $arrivals    = 0;
 my $ignore_late = 0;
@@ -19,7 +17,7 @@ my $types       = q{};
 my $language;
 my $developer_mode;
 my ( $list_services, $service, $hafas_url );
-my @excluded_mots;
+my ( @excluded_mots, @exclusive_mots );
 
 my @output;
 
@@ -49,30 +47,13 @@ if ($list_services) {
 	exit 0;
 }
 
-for my $type ( split( qr{,}, $types ) ) {
-	if ( substr( $type, 0, 1 ) eq q{!} ) {
-		$train_type{ substr( $type, 1 ) } = 0;
-		push( @excluded_mots, substr( $type, 1 ) );
-	}
-	else {
-		$train_type{$type} = 1;
-	}
-}
-
-if ( $train_type{help} or $train_type{list} or $train_type{'?'} ) {
-	my @mots
-	  = @{ Travel::Status::DE::HAFAS::get_service($service)->{productbits} };
-	@mots = grep { $_ ne 'x' } @mots;
-	@mots = uniq @mots;
-	@mots = sort @mots;
-	say join( "\n", @mots );
-	exit 0;
-}
+parse_mot_options();
 
 my $status = Travel::Status::DE::HAFAS->new(
 	date           => $date,
 	language       => $language,
 	excluded_mots  => \@excluded_mots,
+	exclusive_mots => \@exclusive_mots,
 	station        => shift || show_help(1),
 	time           => $time,
 	mode           => $arrivals ? 'arr' : 'dep',
@@ -97,6 +78,31 @@ sub show_version {
 	exit 0;
 }
 
+sub parse_mot_options {
+
+	my $default_yes = 1;
+	my $help;
+
+	for my $type ( split( qr{,}, $types ) ) {
+		if ( $type eq 'help' or $type eq 'list' or $type eq '?' ) {
+			my @mots
+			  = @{ Travel::Status::DE::HAFAS::get_service($service)
+				  ->{productbits} };
+			@mots = grep { $_ ne 'x' } @mots;
+			@mots = uniq @mots;
+			@mots = sort @mots;
+			say join( "\n", @mots );
+			exit 0;
+		}
+		elsif ( substr( $type, 0, 1 ) eq q{!} ) {
+			push( @excluded_mots, substr( $type, 1 ) );
+		}
+		else {
+			push( @exclusive_mots, $type );
+		}
+	}
+}
+
 sub display_result {
 	my (@lines) = @_;
 
diff --git a/lib/Travel/Status/DE/HAFAS.pm b/lib/Travel/Status/DE/HAFAS.pm
index 8cf03e3..3cdafb3 100644
--- a/lib/Travel/Status/DE/HAFAS.pm
+++ b/lib/Travel/Status/DE/HAFAS.pm
@@ -61,6 +61,7 @@ sub new {
 	my $ref = {
 		active_service => $service,
 		developer_mode => $conf{developer_mode},
+		exclusive_mots => $conf{exclusive_mots},
 		excluded_mots  => $conf{excluded_mots},
 		post           => {
 			input => $conf{station},
@@ -114,27 +115,43 @@ sub new {
 sub set_productfilter {
 	my ($self) = @_;
 
-	my $service = $self->{active_service};
+	my $service     = $self->{active_service};
+	my $mot_default = '1';
 
 	if ( not $service or not exists $hafas_instance{$service}{productbits} ) {
 		return;
 	}
 
+	my %mot_pos;
+	for my $i ( 0 .. $#{ $hafas_instance{$service}{productbits} } ) {
+		$mot_pos{ $hafas_instance{$service}{productbits}[$i] } = $i;
+	}
+
+	if ( $self->{exclusive_mots} and @{ $self->{exclusive_mots} } ) {
+		$mot_default = '0';
+	}
+
 	$self->{post}{productsFilter}
-	  = '1' x ( scalar @{ $hafas_instance{$service}{productbits} } );
+	  = $mot_default x ( scalar @{ $hafas_instance{$service}{productbits} } );
 
-	if ( $self->{excluded_mots} and @{ $self->{excluded_mots} } ) {
-		my %mot_pos;
-		for my $i ( 0 .. $#{ $hafas_instance{$service}{productbits} } ) {
-			$mot_pos{ $hafas_instance{$service}{productbits}[$i] } = $i;
+	if ( $self->{exclusive_mots} and @{ $self->{exclusive_mots} } ) {
+		for my $mot ( @{ $self->{exclusive_mots} } ) {
+			if ( exists $mot_pos{$mot} ) {
+				substr( $self->{post}{productsFilter}, $mot_pos{$mot}, 1, '1' );
+			}
 		}
+	}
+
+	if ( $self->{excluded_mots} and @{ $self->{excluded_mots} } ) {
 		for my $mot ( @{ $self->{excluded_mots} } ) {
 			if ( exists $mot_pos{$mot} ) {
-				substr( $self->{post}{productsFilter}, $mot_pos{$mot}, 1 ) = 0;
+				substr( $self->{post}{productsFilter}, $mot_pos{$mot}, 1, '0' );
 			}
 		}
 	}
 
+	say $self->{post}{productsFilter};
+
 }
 
 sub check_input_error {
@@ -198,7 +215,7 @@ sub results {
 			push( @messages, $n->getAttribute('header') );
 		}
 
-		substr( $date, 6, 0 ) = '20';
+		substr( $date, 6, 0, '20' );
 
 		$info      //= q{};
 		$routeinfo //= q{};
-- 
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