From f78b589ffc5874106aa8af2d028d6602b2287ea0 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Wed, 29 Jul 2015 20:11:43 +0200
Subject: add service list and --service option (not 100% tested and documented
 yet)

---
 bin/efa-m                   | 38 ++++++++++++++++++++---
 lib/Travel/Status/DE/EFA.pm | 76 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+), 4 deletions(-)

diff --git a/bin/efa-m b/bin/efa-m
index 520d03a..edc860b 100755
--- a/bin/efa-m
+++ b/bin/efa-m
@@ -18,10 +18,11 @@ use Travel::Status::DE::EFA;
 my $efa_url = 'http://efa.vrr.de/vrr/XSLT_DM_REQUEST';
 my ( $date, $time, $input_type, $list_lines, $offset, $relative_times );
 my ($full_routes);
-my ( $filter_via, $track_via );
-my ( $timeout,    $developer_mode );
-my ( @grep_lines, @grep_platforms, @grep_mots );
-my ( %edata,      @edata_pre );
+my ( $filter_via,    $track_via );
+my ( $timeout,       $developer_mode );
+my ( @grep_lines,    @grep_platforms, @grep_mots );
+my ( %edata,         @edata_pre );
+my ( $list_services, $service );
 
 @ARGV = map { decode( 'UTF-8', $_ ) } @ARGV;
 
@@ -30,11 +31,13 @@ GetOptions(
 	'h|help'        => sub { show_help(0) },
 	'l|line=s@'     => \@grep_lines,
 	'L|linelist'    => \$list_lines,
+	'list'          => \$list_services,
 	'm|mot=s@'      => \@grep_mots,
 	'o|offset=i'    => \$offset,
 	'O|output=s@'   => \@edata_pre,
 	'p|platform=s@' => \@grep_platforms,
 	'r|relative'    => \$relative_times,
+	's|service=s'   => \$service,
 	't|time=s'      => \$time,
 	'timeout=i'     => \$timeout,
 	'u|efa-url=s'   => \$efa_url,
@@ -45,6 +48,10 @@ GetOptions(
 
 ) or show_help(1);
 
+if ($list_services) {
+	show_services();
+}
+
 if ( @ARGV != 2 ) {
 	show_help(1);
 }
@@ -74,6 +81,20 @@ if ($filter_via) {
 	$full_routes = 1;
 }
 
+if ($service) {
+	my $service_ref = first { lc( $_->{shortname} ) eq lc($service) }
+	Travel::Status::DE::EFA::get_efa_urls();
+	if ( not $service_ref ) {
+		printf STDERR (
+			"Error: Unknown service '%s'. See 'efa-m --list' for a "
+			  . "list of supported service names\n",
+			$service
+		);
+		exit 1;
+	}
+	$efa_url = $service_ref->{url};
+}
+
 my $status = Travel::Status::DE::EFA->new(
 	date           => $date,
 	developer_mode => $developer_mode,
@@ -95,6 +116,15 @@ sub show_help {
 	exit $code;
 }
 
+sub show_services {
+	printf( "%-40s %-14s %s\n\n", 'service', 'abbr. (-s)', 'url (-u)' );
+	for my $service ( Travel::Status::DE::EFA::get_efa_urls() ) {
+		printf( "%-40s %-14s %s\n", @{$service}{qw(name shortname url)} );
+	}
+
+	exit 0;
+}
+
 sub show_version {
 	say "efa-m version ${VERSION}";
 
diff --git a/lib/Travel/Status/DE/EFA.pm b/lib/Travel/Status/DE/EFA.pm
index 73a05fb..53d2119 100644
--- a/lib/Travel/Status/DE/EFA.pm
+++ b/lib/Travel/Status/DE/EFA.pm
@@ -486,6 +486,67 @@ sub results {
 	return @results;
 }
 
+# static
+sub get_efa_urls {
+	return (
+		{
+			url       => 'http://www.ding.eu/ding3/XSLT_DM_REQUEST',
+			name      => 'Donau-Iller Nahverkehrsverbund',
+			shortname => 'DING',
+		},
+		{
+			url       => 'http://efa.ivb.at/ivb/XSLT_DM_REQUEST',
+			name      => 'Innsbrucker Verkehrsbetriebe',
+			shortname => 'IVB',
+		},
+		{
+			url       => 'http://efa.svv-info.at/sbs/XSLT_DM_REQUEST',
+			name      => 'Salzburger Verkehrsverbund',
+			shortname => 'SVV',
+		},
+		{
+			url       => 'http://efa.vor.at/wvb/XSLT_DM_REQUEST',
+			name      => 'Verkehrsverbund Ost-Region',
+			shortname => 'VOR',
+		},
+		{
+			url       => 'http://efaneu.vmobil.at/vvv/XSLT_DM_REQUEST',
+			name      => 'Vorarlberger Verkehrsverbund',
+			shortname => 'VVV',
+		},
+		{
+			url       => 'http://fahrplan.verbundlinie.at/stv/XSLT_DM_REQUEST',
+			name      => 'Verkehrsverbund Steiermark',
+			shortname => 'Verbundlinie',
+		},
+		{
+			url       => 'http://www.linzag.at/static/XSLT_DM_REQUEST',
+			name      => 'Linz AG',
+			shortname => 'LinzAG',
+		},
+		{
+			url       => 'http://212.114.197.7/vgnExt_oeffi/XML_DM_REQUEST',
+			name      => 'Verkehrsverbund Grossraum Nuernberg',
+			shortname => 'VGN',
+		},
+		{
+			url       => 'http://efa.vrr.de/vrr/XSLT_DM_REQUEST',
+			name      => 'Verkehrsverbund Rhein-Ruhr',
+			shortname => 'VRR',
+		},
+		{
+			url       => 'http://app.vrr.de/standard/XML_DM_REQUEST',
+			name      => 'Verkehrsverbund Rhein-Ruhr (alternative)',
+			shortname => 'VRR2',
+		},
+		{
+			url       => 'http://www2.vvs.de/vvs/XSLT_DM_REQUEST',
+			name      => 'Verkehrsverbund Stuttgart',
+			shortname => 'VVS',
+		},
+	);
+}
+
 1;
 
 __END__
@@ -598,6 +659,21 @@ describing one line servicing the selected station.
 Returns a list of Travel::Status::DE::EFA::Result(3pm) objects, each one describing
 one departure.
 
+=item Travel::Status::DE::EFA::get_efa_urls()
+
+Returns a list of known EFA entry points. Each list element is a hashref with
+the following elements.
+
+=over
+
+=item B<url>: service URL as passed to B<efa_url>
+
+=item B<name>: Name of the entity operating this service
+
+=item B<shortname>: Short name of the entity
+
+=back
+
 =back
 
 =head1 DIAGNOSTICS
-- 
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