From 1d12c3e5585411a6ff497ee274ba699579fa11b1 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Tue, 28 Jan 2014 23:02:27 +0100
Subject: move track-via to db-iris

---
 bin/db-iris            |  37 +++++++-
 examples/track-from-to | 234 -------------------------------------------------
 2 files changed, 33 insertions(+), 238 deletions(-)
 delete mode 100755 examples/track-from-to

diff --git a/bin/db-iris b/bin/db-iris
index baf7627..5ce8267 100755
--- a/bin/db-iris
+++ b/bin/db-iris
@@ -19,9 +19,9 @@ use Travel::Status::DE::IRIS::Stations;
 
 my ( $date, $time );
 my $datetime = DateTime->now( time_zone => 'Europe/Berlin' );
-my $filter_via;
+my ( $filter_via, $track_via, $status_via );
 my ( @grep_class, @grep_type, @grep_platform );
-my ( %edata, @edata_pre );
+my ( %edata,      @edata_pre );
 
 my @output;
 
@@ -38,7 +38,8 @@ GetOptions(
 	't|time=s'      => \$time,
 	'T|type=s'      => \@grep_type,
 	'v|via=s'       => \$filter_via,
-	'V|version'     => \&show_version,
+	'V|track-via=s' => \$track_via,
+	'version'       => \&show_version,
 
 ) or show_help(1);
 
@@ -55,6 +56,10 @@ if ( @ARGV != 1 ) {
 my ($station) = @ARGV;
 $station = get_station($station);
 
+if ($track_via) {
+	$track_via = get_station($track_via);
+}
+
 if ($date) {
 	my ( $day, $month, $year ) = split( qr{ [.] }ox, $date );
 	$datetime->set(
@@ -89,6 +94,12 @@ my $status = Travel::Status::DE::IRIS->new(
 	datetime => $datetime,
 	station  => $station,
 );
+if ($track_via) {
+	$status_via = Travel::Status::DE::IRIS->new(
+		datetime => $datetime,
+		station  => $track_via,
+	);
+}
 
 sub get_station {
 	my ($input_name) = @_;
@@ -208,6 +219,12 @@ if ( my $err = $status->errstr ) {
 	exit 2;
 }
 
+if ( $status_via and $status_via->errstr ) {
+	my $err = $status_via->errstr;
+	say STDERR "Request error: ${err}";
+	exit 2;
+}
+
 for my $d ( $status->results() ) {
 
 	my @via;
@@ -232,7 +249,19 @@ for my $d ( $status->results() ) {
 	}
 
 	my $timestr;
-	if ( $edata{times} ) {
+	if ($track_via) {
+		$timestr = $d->time;
+		my $d_via = first { $_->train_id eq $d->train_id } $status_via->results;
+		if (   not $d_via
+			or not $d_via->arrival
+			or $d_via->arrival < $d->departure )
+		{
+			next;
+		}
+		my $timestr_via = $d_via->arrival->strftime('%H:%M') . $delay;
+		$timestr = $d->time . ' → ' . $timestr_via;
+	}
+	elsif ( $edata{times} ) {
 		$timestr = sprintf( '%5s → %5s',
 			$d->sched_arrival   ? $d->sched_arrival->strftime('%H:%M')   : q{},
 			$d->sched_departure ? $d->sched_departure->strftime('%H:%M') : q{},
diff --git a/examples/track-from-to b/examples/track-from-to
deleted file mode 100755
index 9df96e0..0000000
--- a/examples/track-from-to
+++ /dev/null
@@ -1,234 +0,0 @@
-#!/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->arrival->strftime('%H:%M') : '??:??') . $delay;
-
-	push(
-		@output,
-		[
-			"$timestr → $timestr_via", $d->train,
-			$edata{route} ? join( q{  }, $d->route_interesting ) : q{},
-			$d->route_end, $d->platform // q{}, $d
-		]
-	);
-
-}
-
-display_result(@output);
-- 
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