From 0bfb71d78d1a7996fe0fb32af063ccfdc6ceea15 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Sat, 16 Nov 2019 00:01:50 +0100
Subject: add map view of past journeys. unfinished and unreferenced.

---
 lib/Travelynx/Controller/Traveling.pm | 62 +++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

(limited to 'lib/Travelynx/Controller')

diff --git a/lib/Travelynx/Controller/Traveling.pm b/lib/Travelynx/Controller/Traveling.pm
index 3fea24b..a3d5e67 100755
--- a/lib/Travelynx/Controller/Traveling.pm
+++ b/lib/Travelynx/Controller/Traveling.pm
@@ -3,6 +3,7 @@ use Mojo::Base 'Mojolicious::Controller';
 
 use DateTime;
 use DateTime::Format::Strptime;
+use List::Util qw(uniq);
 use List::UtilsBy qw(uniq_by);
 use Travel::Status::DE::IRIS::Stations;
 
@@ -412,6 +413,67 @@ sub history {
 	$self->render( template => 'history' );
 }
 
+sub map_history {
+	my ($self) = @_;
+
+	my %location;
+
+	for my $station ( Travel::Status::DE::IRIS::Stations::get_stations() ) {
+		if ( $station->[3] ) {
+			$location{ $station->[1] } = [ $station->[4], $station->[3] ];
+		}
+	}
+
+# TODO create map-specific get_user_travels function returning EVA/DS100 station codes?
+	my @journeys = $self->get_user_travels;
+
+	my @stations = uniq map { $_->{to_name} } @journeys;
+	push( @stations, uniq map { $_->{from_name} } @journeys );
+	@stations = uniq @stations;
+	my @station_coordinates
+	  = map { $location{$_} } grep { exists $location{$_} } @stations;
+
+	my @uniq_by_route = uniq_by {
+		join( '|', map { $_->[0] } @{ $_->{route} } )
+	}
+	@journeys;
+	my @station_pairs;
+
+	for my $journey (@uniq_by_route) {
+		my @route        = map { $_->[0] } @{ $journey->{route} };
+		my $prev_station = shift @route;
+		my $within       = 0;
+		for my $station (@route) {
+			if ( $prev_station eq $journey->{from_name} ) {
+				$within = 1;
+			}
+			if ($within) {
+				push( @station_pairs, [ $prev_station, $station ] );
+			}
+			$prev_station = $station;
+			if ( $station eq $journey->{to_name} ) {
+				$within = 0;
+			}
+		}
+	}
+
+	@station_pairs = uniq_by { $_->[0] . '|' . $_->[1] } @station_pairs;
+	@station_pairs
+	  = grep { exists $location{ $_->[0] } and exists $location{ $_->[1] } }
+	  @station_pairs;
+	@station_pairs
+	  = map { [ $location{ $_->[0] }, $location{ $_->[1] } ] } @station_pairs;
+
+	my @routes;
+
+	$self->render(
+		template            => 'map',
+		with_map            => 1,
+		station_coordinates => \@station_coordinates,
+		station_pairs       => \@station_pairs
+	);
+}
+
 sub json_history {
 	my ($self) = @_;
 
-- 
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