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authorDaniel Friesel <derf@finalrewind.org>2011-06-22 19:57:16 +0200
committerDaniel Friesel <derf@finalrewind.org>2011-06-22 19:57:16 +0200
commit50ac58e8ebae424bc66c593afac14954c1475e19 (patch)
treea52de5472ccb392a77f42304e6f866236f2b5803 /lib/Travel/Status/DE/DeutscheBahn.pm
parent12b8919088d7f4b03c14f7981296de463ab0d105 (diff)
Travel::Status::DE::DeutscheBahn
Diffstat (limited to 'lib/Travel/Status/DE/DeutscheBahn.pm')
-rw-r--r--lib/Travel/Status/DE/DeutscheBahn.pm170
1 files changed, 170 insertions, 0 deletions
diff --git a/lib/Travel/Status/DE/DeutscheBahn.pm b/lib/Travel/Status/DE/DeutscheBahn.pm
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+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.