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|
#!/usr/bin/env perl
use strict;
use warnings;
use 5.014;
use utf8;
no if $] >= 5.018, warnings => 'experimental::smartmatch';
our $VERSION = '0.01';
use Encode qw(decode);
use Getopt::Long qw(:config no_ignore_case bundling);
use List::Util qw(first max);
use List::MoreUtils qw(none);
use Travel::Status::DE::IRIS;
use Travel::Status::DE::IRIS::Stations;
my ( @grep_class, @grep_type, @grep_platform );
my ( %edata, @edata_pre );
my @output;
binmode( STDOUT, ':encoding(utf-8)' );
@ARGV = map { decode( 'UTF-8', $_ ) } @ARGV;
GetOptions(
'c|class=s@' => \@grep_class,
'h|help' => sub { show_help(0) },
'o|output=s@' => \@edata_pre,
'p|platform=s@' => \@grep_platform,
'T|type=s' => \@grep_type,
'V|version' => \&show_version,
) or show_help(1);
if ( @ARGV < 2 ) {
show_help(1);
}
# opt=foo,bar support
@edata_pre = split( qr{,}, join( q{,}, @edata_pre ) );
@grep_class = split( qr{,}, join( q{,}, @grep_class ) );
@grep_platform = split( qr{,}, join( q{,}, @grep_platform ) );
@grep_type = split( qr{,}, join( q{,}, @grep_type ) );
my ($from, $filter_via, $to) = @ARGV;
$to //= $filter_via;
$from = get_station($from);
$to = get_station($to);
for my $efield (@edata_pre) {
given ($efield) {
when ('d') { $edata{delay} = 1 }
when ('D') { $edata{delays} = 1 }
when ('f') { $edata{fullroute} = 1 }
when ('m') { $edata{messages} = 1 }
when ('q') { $edata{qos} = 1 }
when ('r') { $edata{route} = 1 }
when ('t') { $edata{times} = 1 }
default { $edata{$efield} = 1 }
}
}
my $status_f = Travel::Status::DE::IRIS->new(
station => $from,
);
my $status_t = Travel::Status::DE::IRIS->new(
station => $to,
);
sub get_station {
my ($input_name) = @_;
my @stations = Travel::Status::DE::IRIS::Stations::get_station($input_name);
if ( @stations == 0 ) {
say STDERR "No station matches '$input_name'";
exit(1);
}
elsif ( @stations == 1 ) {
return $stations[0][0];
}
else {
say STDERR "The input '$input_name' is ambiguous. Please choose one "
. 'of the following:';
say STDERR join( "\n", map { $_->[1] } @stations );
exit(1);
}
}
sub show_help {
my ($code) = @_;
print 'Usage: db-iris [-V] [-c <classlist>] [-d <date>] '
. '[-o <output-flags>] [-p <platforms>] [-t <time>] '
. '[-T <typelist>] [-v <via>] <station>' . "\n"
. "See also: man db-iris\n";
exit $code;
}
sub show_version {
say "db-iris version ${VERSION}";
exit 0;
}
sub display_result {
my (@lines) = @_;
my @line_length;
if ( not @lines ) {
die("Nothing to show\n");
}
for my $i ( 0 .. 4 ) {
$line_length[$i] = max map { length( $_->[$i] ) } @lines;
}
for my $line (@lines) {
printf(
join( q{ }, ( map { "%-${_}s" } @line_length ) ),
@{$line}[ 0 .. 4 ]
);
my $d = $line->[5];
if ( $edata{delays}
and $d->delay_messages )
{
printf( ' %s',
join( q{ }, map { $_->[1] } ( reverse $d->delay_messages ) ) );
}
if ( $edata{delay}
and ( $d->delay or $d->is_cancelled )
and $d->delay_messages )
{
printf( ' %s', ( $d->delay_messages )[-1]->[1] );
}
if ( $edata{qos} and $d->qos_messages ) {
printf( ' %s',
join( q{ }, map { $_->[1] } ( reverse $d->qos_messages ) ) );
}
print "\n";
if ( $edata{times} ) {
if ( not defined $d->delay ) {
print "\n";
}
elsif ( $d->delay == 0 ) {
printf( "%s+0\n", q{ } x 15 );
}
else {
printf(
"%5s → %5s %+d\n",
$d->arrival ? $d->arrival->strftime('%H:%M') : q{},
$d->departure ? $d->departure->strftime('%H:%M') : q{},
$d->delay,
);
}
}
if ( $edata{messages} ) {
for my $message ( reverse $d->messages ) {
# leading spaces to align with regular output
printf( " %s %s\n",
$message->[0]->strftime('%d.%m. %H:%M'),
$message->[1] );
}
print "\n";
}
if ( $edata{fullroute} ) {
print "\n" . join( "\n", $d->route ) . "\n\n";
}
}
return;
}
if ( my $err = $status_f->errstr ) {
say STDERR "Request error at ${from}: ${err}";
exit 2;
}
if ( my $err = $status_t->errstr ) {
say STDERR "Request error at ${to}: ${err}";
exit 2;
}
for my $d ( $status_f->results ) {
my @via;
@via = $d->route_post;
if ( ( $filter_via and not( first { $_ =~ m{$filter_via}io } @via ) )
or ( @grep_class and none { $_ ~~ \@grep_class } $d->classes )
or ( @grep_platform and not( $d->platform ~~ \@grep_platform ) )
or ( @grep_type and not( $d->type ~~ \@grep_type ) ) )
{
next;
}
my $delay = q{};
if ( $d->delay ) {
$delay = ( $d->delay > 0 ? ' +' : q{ } ) . $d->delay;
}
if ( $d->is_cancelled ) {
$delay = ' CANCELED';
}
my $timestr = $d->time;
my $d_via = first { $_->train_id eq $d->train_id } $status_t->results;
my $timestr_via = ($d_via ? $d_via->time : '??:??') . $delay;
push(
@output,
[
"$timestr → $timestr_via", $d->train,
$edata{route} ? join( q{ }, $d->route_interesting ) : q{},
$d->route_end, $d->platform // q{}, $d
]
);
}
display_result(@output);
|
