diff options
author | Daniel Friesel <derf@finalrewind.org> | 2013-12-11 00:13:48 +0100 |
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committer | Daniel Friesel <derf@finalrewind.org> | 2013-12-11 00:13:48 +0100 |
commit | 1b2bd0dc355d3e5f265a112380d076b9db7c3e81 (patch) | |
tree | e3fb525a494a7686a72921ca22897ba13534cd2f /lib/Travel |
initial commit
Diffstat (limited to 'lib/Travel')
-rw-r--r-- | lib/Travel/Status/DE/ASEAG.pm | 249 | ||||
-rw-r--r-- | lib/Travel/Status/DE/ASEAG/Result.pm | 141 |
2 files changed, 390 insertions, 0 deletions
diff --git a/lib/Travel/Status/DE/ASEAG.pm b/lib/Travel/Status/DE/ASEAG.pm new file mode 100644 index 0000000..8311ad6 --- /dev/null +++ b/lib/Travel/Status/DE/ASEAG.pm @@ -0,0 +1,249 @@ +package Travel::Status::DE::ASEAG; + +use strict; +use warnings; +use 5.010; + +no if $] >= 5.018, warnings => "experimental::smartmatch"; + +our $VERSION = '0.00'; + +use Carp qw(confess cluck); +use DateTime; +use Encode qw(encode decode); +use Travel::Status::DE::ASEAG::Result; +use LWP::UserAgent; + +sub new { + my ( $class, %opt ) = @_; + + my $ua = LWP::UserAgent->new(%opt); + + my $self = { + fuzzy => $opt{fuzzy} // 1, + stop => $opt{name}, + post => { + ReturnList => + 'lineid,linename,directionid,destinationtext,vehicleid,' + .'tripid,estimatedtime,stopid,stoppointname' + }, + }; + + bless( $self, $class ); + + $ua->env_proxy; + + my $response + = $ua->post( 'http://ivu.aseag.de/interfaces/ura/instant_V1', $self->{post} ); + + if ( $response->is_error ) { + $self->{errstr} = $response->status_line; + return $self; + } + + $self->{raw} = $response->decoded_content; + + return $self; +} + +sub new_from_xml { + my ( $class, %opt ) = @_; + + my $self = { raw => $opt{raw}, }; + + return bless( $self, $class ); +} + +sub errstr { + my ($self) = @_; + + return $self->{errstr}; +} + +sub sprintf_date { + my ($e) = @_; + + return sprintf( '%02d.%02d.%d', + $e->getAttribute('day'), + $e->getAttribute('month'), + $e->getAttribute('year'), + ); +} + +sub sprintf_time { + my ($e) = @_; + + return sprintf( '%02d:%02d', + $e->getAttribute('hour'), + $e->getAttribute('minute'), + ); +} + +sub is_my_stop { + my ($self, $stop) = @_; + my $my_stop = $self->{stop}; + + if ($self->{fuzzy}) { + return ($stop =~ m{ $my_stop }ix ? 1 : 0); + } + else { + return ($stop eq $my_stop); + } +} + +sub results { + my ($self) = @_; + my @results; + + my $dt_now = DateTime->now( time_zone => 'Europe/Berlin' ); + + for my $dep (split(/\r\n/, $self->{raw})) { + $dep =~ s{^\[}{}; + $dep =~ s{\]$}{}; + + my ($u1, $stopname, $stopid, $lineid, $linename, $u2, $dest, + $vehicleid, $tripid, $timestamp) = split(/"?,"?/, $dep); + + # version information + if ($u1 == 4) { + next; + } + + if ($self->{stop} and not $self->is_my_stop($stopname)) { + next; + } + + if (not $timestamp) { + cluck("departure element without timestamp: $dep"); + next; + } + + my $dt_dep = DateTime->from_epoch( + epoch => $timestamp / 1000, + time_zone => 'Europe/Berlin' ); + + push(@results, Travel::Status::DE::ASEAG::Result->new( + date => $dt_dep->strftime('%d.%m.%Y'), + time => $dt_dep->strftime('%H:%M:%S'), + datetime => $dt_dep, + line => $linename, + line_id => $lineid, + destination => decode( 'UTF-8', $dest ), + countdown => $dt_dep->subtract_datetime($dt_now)->in_units('minutes'), + countdown_sec => $dt_dep->subtract_datetime($dt_now)->in_units('seconds'), + )); + } + + @results = map { $_->[0] } + sort { $a->[1] <=> $b->[1] } + map { [ $_, $_->countdown ] } @results; + + $self->{results} = \@results; + + return @results; +} + +1; + +__END__ + +=head1 NAME + +Travel::Status::DE::ASEAG - unofficial ASEAG departure monitor + +=head1 SYNOPSIS + + use Travel::Status::DE::ASEAG; + + my $status = Travel::Status::DE::ASEAG->new( + name => 'Aachen Bushof' + ); + + for my $d ($status->results) { + printf( + "%s %-5s %25s (in %d min)\n", + $d->time, $d->line, $d->destination, $d->countdown + ); + } + +=head1 VERSION + +version 1.04 + +=head1 DESCRIPTION + +Travel::Status::DE::ASEAG is an unofficial interface to the ASEAG departure +monitor available at +L<http://efa.vrr.de/vrr/XSLT_DM_REQUEST?language=de&itdLPxx_transpCompany=vrr&>. + +It reports all upcoming tram/bus/train departures at a given place. + +=head1 METHODS + +=over + +=item my $status = Travel::Status::DE::ASEAG->new(I<%opt>) + +Requests the departures as specified by I<opts> and returns a new +Travel::Status::DE::ASEAG object. Dies if the wrong I<opts> were passed. + +Arguments: + +=over + +=item B<place> => I<place> + +Name of the place/city + +=item B<type> => B<address>|B<poi>|B<stop> + +Type of the following I<name>. B<poi> means "point of interest". Defaults to +B<stop> (stop/station name). + +=item B<name> => I<name> + +address / poi / stop name to list departures for. + +=back + +=item $status->errstr + +In case of an HTTP request error, returns a string describing it. If none +occured, returns undef. + +=item $status->results + +Returns a list of Travel::Status::DE::ASEAG::Result(3pm) objects, each describing +one departure. + +=back + +=head1 DIAGNOSTICS + +None. + +=head1 DEPENDENCIES + +=over + +=item * Class::Accessor(3pm) + +=item * LWP::UserAgent(3pm) + +=back + +=head1 BUGS AND LIMITATIONS + +Many. + +=head1 SEE ALSO + +aseag-m(1), Travel::Status::DE::ASEAG::Result(3pm). + +=head1 AUTHOR + +Copyright (C) 2013 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt> + +=head1 LICENSE + +This module is licensed under the same terms as Perl itself. diff --git a/lib/Travel/Status/DE/ASEAG/Result.pm b/lib/Travel/Status/DE/ASEAG/Result.pm new file mode 100644 index 0000000..668ba1d --- /dev/null +++ b/lib/Travel/Status/DE/ASEAG/Result.pm @@ -0,0 +1,141 @@ +package Travel::Status::DE::ASEAG::Result; + +use strict; +use warnings; +use 5.010; + +use parent 'Class::Accessor'; + +our $VERSION = '0.00'; + +Travel::Status::DE::ASEAG::Result->mk_ro_accessors( + qw(countdown countdown_sec date datetime destination line line_id time) +); + +sub new { + my ( $obj, %conf ) = @_; + + my $ref = \%conf; + + return bless( $ref, $obj ); +} + +sub TO_JSON { + my ($self) = @_; + + return { %{$self} }; +} + +1; + +__END__ + +=head1 NAME + +Travel::Status::DE::ASEAG::Result - Information about a single +departure received by Travel::Status::DE::ASEAG + +=head1 SYNOPSIS + + for my $departure ($status->results) { + printf( + "At %s: %s to %s (in %d minutes)", + $departure->time, $departure->line, $departure->destination, + $departure->countdown + ); + } + +=head1 VERSION + +version 0.00 + +=head1 DESCRIPTION + +Travel::Status::DE::ASEAG::Result describes a single departure as obtained by +Travel::Status::DE::ASEAG. It contains information about the time, +line number and destination. + +=head1 METHODS + +=head2 ACCESSORS + +=over + +=item $departure->countdown + +Time in minutes from the time Travel::Status::DE::ASEAG was instantiated until +the bus will depart. + +=item $departure->countdown_sec + +Time in seconds from the time Travel::Status::DE::ASEAG was instantiated until +the bus will depart. + +=item $departure->date + +Departure date (DD.MM.YYYY) + +=item $departure->datetime + +DateTime object holding the departure date and time. + +=item $departure->destination + +Destination name. + +=item $departure->line + +The name of the line. + +=item $departure->line_id + +The number of the line. + +=item $departure->time + +Departure time (HH:MM:SS). + +=back + +=head2 INTERNAL + +=over + +=item $departure = Travel::Status::DE::ASEAG::Result->new(I<%data>) + +Returns a new Travel::Status::DE::ASEAG::Result object. You should not need to +call this. + +=item $departure->TO_JSON + +Allows the object data to be serialized to JSON. + +=back + +=head1 DIAGNOSTICS + +None. + +=head1 DEPENDENCIES + +=over + +=item Class::Accessor(3pm) + +=back + +=head1 BUGS AND LIMITATIONS + +Unknown. + +=head1 SEE ALSO + +Travel::Status::DE::ASEAG(3pm). + +=head1 AUTHOR + +Copyright (C) 2013 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt> + +=head1 LICENSE + +This module is licensed under the same terms as Perl itself. |