Travel::Status::DE::DeutscheBahn

1 files changed, 170 insertions, 0 deletions

diff --git a/lib/Travel/Status/DE/DeutscheBahn.pm b/lib/Travel/Status/DE/DeutscheBahn.pm
new file mode 100644
index 0000000..499f540
--- /dev/null
+++ b/lib/Travel/Status/DE/DeutscheBahn.pm
@@ -0,0 +1,170 @@
+package Travel::Status::DE::DeutscheBahn;
+
+use strict;
+use warnings;
+use 5.010;
+
+use Carp qw(confess);
+use LWP::UserAgent;
+use POSIX qw(strftime);
+use Travel::Status::DE::DeutscheBahn::Departure;
+use XML::LibXML;
+
+our $VERSION = '0.0';
+
+sub new {
+	my ( $obj, %conf ) = @_;
+	my $date = strftime( '%d.%m.%Y', localtime(time) );
+	my $time = strftime( '%H:%M',    localtime(time) );
+
+	my $ua = LWP::UserAgent->new();
+
+	if ( not $conf{station} ) {
+		confess('You need to specify a station');
+	}
+
+	my $ref = {
+		post => {
+			input          => $conf{station},
+			inputRef       => q{#},
+			date           => $conf{date} || $date,
+			time           => $conf{time} || $time,
+			productsFilter => '1111101000000000',
+			REQTrain_name  => q{},
+			maxJourneys    => 20,
+			delayedJourney => undef,
+			start          => 'Suchen',
+			boardType      => 'Abfahrt',
+			ao             => 'yes',
+		},
+	};
+
+	$ref->{html}
+	  = $ua->post( 'http://mobile.bahn.de/bin/mobil/bhftafel.exe/dn?rt=1',
+		$ref->{post} )->content();
+
+	$ref->{tree} = XML::LibXML->load_html(
+		string            => $ref->{html},
+		recover           => 2,
+		suppress_errors   => 1,
+		suppress_warnings => 1,
+	);
+
+	return bless( $ref, $obj );
+}
+
+sub departures {
+	my ($self) = @_;
+
+	my $xp_element = XML::LibXML::XPathExpression->new(
+		'//table[@class="result stboard dep"]/tr');
+	my $xp_time  = XML::LibXML::XPathExpression->new('./td[@class="time"]');
+	my $xp_train = XML::LibXML::XPathExpression->new('./td[@class="train"]');
+	my $xp_route = XML::LibXML::XPathExpression->new('./td[@class="route"]');
+	my $xp_dest  = XML::LibXML::XPathExpression->new('./td[@class="route"]//a');
+	my $xp_platform
+	  = XML::LibXML::XPathExpression->new('./td[@class="platform"]');
+	my $xp_info = XML::LibXML::XPathExpression->new('./td[@class="ris"]');
+
+	my $re_via = qr{
+		^ \s* (.+?) \s* \n
+		\d{1,2}:\d{1,2}
+	}mx;
+
+	for my $tr ( @{ $self->{tree}->findnodes($xp_element) } ) {
+
+		my ($n_time) = $tr->findnodes($xp_time);
+		my ( undef, $n_train ) = $tr->findnodes($xp_train);
+		my ($n_route)    = $tr->findnodes($xp_route);
+		my ($n_dest)     = $tr->findnodes($xp_dest);
+		my ($n_platform) = $tr->findnodes($xp_platform);
+		my ($n_info)     = $tr->findnodes($xp_info);
+		my $first        = 1;
+
+		if ( not( $n_time and $n_dest ) ) {
+			next;
+		}
+
+		my $time     = $n_time->textContent();
+		my $train    = $n_train->textContent();
+		my $route    = $n_route->textContent();
+		my $dest     = $n_dest->textContent();
+		my $platform = $n_platform->textContent();
+		my $info     = $n_info->textContent();
+		my @via;
+
+		for my $str ( $time, $train, $dest, $platform, $info ) {
+			$str =~ s/\n//mg;
+			$str =~ tr/ //s;
+		}
+
+		$info =~ s/,Grund//;
+
+		while ( $route =~ m{$re_via}g ) {
+			if ($first) {
+				$first = 0;
+				next;
+			}
+			my $stop = $1;
+			push( @via, $stop );
+		}
+
+		push(
+			@{ $self->{departures} },
+			Travel::Status::DE::DeutscheBahn::Departure->new(
+				time        => $time,
+				train       => $train,
+				route_raw   => $route,
+				route       => \@via,
+				destination => $dest,
+				platform    => $platform,
+				info        => $info,
+			)
+		);
+	}
+
+	return @{ $self->{departures} };
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Travel::Status::DE::DeutscheBahn - Interface to the DeutscheBahn online
+departure monitor
+
+=head1 SYNOPSIS
+
+=head1 VERSION
+
+version 0.0
+
+=head1 DESCRIPTION
+
+=head1 METHODS
+
+=over
+
+=back
+
+=head1 DIAGNOSTICS
+
+=head1 DEPENDENCIES
+
+=over
+
+=back
+
+=head1 BUGS AND LIMITATIONS
+
+=head1 SEE ALSO
+
+=head1 AUTHOR
+
+Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+
+=head1 LICENSE
+
+This module is licensed under the same terms as Perl itself.