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#!/usr/bin/env perl
use Mojolicious::Lite;
use Cache::File;
use File::ShareDir qw(dist_file);
use HTML::Template;
use Travel::Status::DE::DeutscheBahn;
sub get_results_for {
my ($station) = @_;
my $cache = Cache::File->new(
cache_root => '/tmp/db-fake',
default_expires => '900 sec'
);
my $results = $cache->thaw($station);
if ( not $results ) {
my $status
= Travel::Status::DE::DeutscheBahn->new( station => $station );
$results = [ $status->results ];
$cache->freeze( $station, $results );
}
return @{$results};
}
get '/' => sub {
my $self = shift;
my $station = $self->param('station');
if ( not $station ) {
return $self->render;
}
$self->redirect_to("/multi/${station}");
} => 'index';
get '/multi/:station' => sub {
my $self = shift;
my $station = $self->stash('station');
my @params;
my $template = HTML::Template->new(
filename => dist_file( 'db-fakedisplay', 'multi-lcd.html' ),
loop_context_vars => 1,
);
my @results = get_results_for($station);
if ( not @results ) {
$self->render( 'index', error => "Got no results for '$station'", );
return;
}
for my $result (@results) {
push(
@params,
{
time => $result->time,
train => $result->train,
via => [ map { { stop => $_ } } $result->route_interesting(3) ],
destination => $result->destination,
platform => ( split( / /, $result->platform ) )[0],
info => $result->info,
}
);
}
$template->param( departures => \@params );
$self->render( text => $template->output );
};
app->start();
__DATA__
@@ index.html.ep
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>DB Fakedisplay</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
</head>
<body>
<div>
<p>
DB-Fakedisplay displays the next departures at a DB station, just like the big
LC display in the station itself.
</p>
<% if (my $error = stash 'error') { %>
Error: <%= $error %><br/>
<% } %>
<%= form_for index => begin %>
Station name:<br/>
<%= text_field 'station' %><br/>
<%= submit_button 'Display' %>
<% end %>
</div>
</body>
</html>
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