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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
no if $] >= 5.018, warnings => "experimental::smartmatch";
our $VERSION = '0.00';
binmode( STDOUT, ':encoding(utf-8)' );
use DateTime;
use DateTime::Format::Duration;
use Getopt::Long qw(:config no_ignore_case);
use List::Util qw(max);
use Travel::Status::DE::ASEAG;
my (@grep_lines);
my $full_route = 0;
my $hide_past = 1;
my $relative_times = 0;
my $strftime_format = '%H:%M:%S';
my $strfrel_format = '%M min';
my $via;
GetOptions(
'a|route-after' => sub { $full_route = 'after' },
'b|route-before' => sub { $full_route = 'before' },
'h|help' => sub { show_help(0) },
'f|full-route' => \$full_route,
'l|line=s@' => \@grep_lines,
'p|with-past' => sub { $hide_past = 0 },
'r|relative' => \$relative_times,
's|strftime=s' => \$strftime_format,
'S|strfrel=s' => \$strfrel_format,
'v|via=s' => \$via,
'V|version' => \&show_version,
) or show_help(1);
if ( @ARGV != 1 ) {
show_help(1);
}
# --line=foo,bar support
@grep_lines = split( qr{,}, join( q{,}, @grep_lines ) );
my ($stop_name) = @ARGV;
my $status = Travel::Status::DE::ASEAG->new;
sub show_help {
my ($code) = @_;
print "Usage: B<aseag-m> [ B<-l> I<lines> ] [B<-f>] I< <stop name>\n"
. "See also: man aseag-m\n";
exit $code;
}
sub show_version {
say "aseag-m version ${VERSION}";
exit 0;
}
sub display_result {
my (@lines) = @_;
my @line_length;
if ( not @lines ) {
die("Nothing to show\n");
}
for my $i ( 0 .. 2 ) {
$line_length[$i] = max map { length( $_->[$i] ) } @lines;
}
for my $line (@lines) {
printf(
join( q{ }, ( map { "%-${_}s" } @line_length ) ) . "\n",
@{$line}[ 0 .. 2 ]
);
if ($full_route) {
print "\n" . $line->[3] . "\n\n\n";
}
}
return;
}
sub show_results {
my @output;
my $dt_now = DateTime->now( time_zone => 'Europe/Berlin' );
my $dt_format
= DateTime::Format::Duration->new( pattern => $strfrel_format );
for my $d (
$status->results(
full_routes => $full_route,
hide_past => $hide_past,
stop => $stop_name,
via => $via,
)
)
{
if ( ( @grep_lines and not( $d->line ~~ \@grep_lines ) ) ) {
next;
}
if ($relative_times) {
push(
@output,
[
$d->line,
$d->destination,
$dt_format->format_duration(
$d->datetime->subtract_datetime($dt_now)
),
join(
"\n",
map {
sprintf( '%s %s',
$_->[0]->strftime($strftime_format),
$_->[1] )
} @{ $d->route_timetable }
)
]
);
}
else {
push(
@output,
[
$d->datetime->strftime($strftime_format),
$d->line,
$d->destination,
join(
"\n",
map {
sprintf( '%s %s',
$_->[0]->strftime($strftime_format),
$_->[1] )
} @{ $d->route_timetable }
)
]
);
}
}
display_result(@output);
return;
}
if ( my $err = $status->errstr ) {
say STDERR "Request error: ${err}";
exit 2;
}
show_results();
__END__
=head1 NAME
aseag-m - Unofficial interface to the ASEAG departure monitor
=head1 SYNOPSIS
B<aseag-m> I<name>
=head1 VERSION
version 0.00
=head1 DESCRIPTION
B<aseag-m> lists upcoming bus departures at the ASEAG stop I<name>.
=head1 OPTIONS
=over
=item B<-a>, B<--route-after>
For each departure, show all of the line's stops after I<name> as well.
=item B<-b>, B<--route-before>
For each departure, show all of the line's stops before I<name> as well.
=item B<-f>, B<--full-route>
For each departure, show all other stops serviced by the respective line.
=item B<-l>, B<--line> I<lines>
Only show departures of I<lines> (comma-separatad list, option may be
repeated)
=item B<-p>, B<--with-past>
Also show departures in the past. Also appleas to the route information of
B<-a> / B<-b> / B<-f>.
=item B<-r>, B<--relative>
Use relative departure and route times.
=item B<-s>, B<--strftime> I<format>
Format absolute times in I<format>, appleas both to departures and route
data. See DateTime(3pm) for allowed patterns.
=item B<-S>, B<--strfrel> I<format>
Format relative times in I<format>, only applies when used with B<-r>.
See DateTime::Format::Duration(3pm) for allowed patterns.
=item B<-v>, B<--via> I<stop>
Only show lines which will also service I<stop>. With B<-b>, I<stop> must be
in the schedule before I<name>, with B<-f> it may be anywhere, with B<-a>
(and by default) it must be after I<name>.
=item B<-V>, B<--version>
Show version information.
=back
=head1 EXIT STATUS
Zero.
=head1 CONFIGURATION
None.
=head1 DEPENDENCIES
=over
=item * Class::Accessor(3pm)
=item * DateTime(3pm)
=item * LWP::UserAgent(3pm)
=back
=head1 BUGS AND LIMITATIONS
Unknown.
=head1 AUTHOR
Copyright (C) 2013 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
=head1 LICENSE
This program is licensed under the same terms as Perl itself.
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