package DBInfoscreen::Helper::HAFAS; # Copyright (C) 2011-2022 Birte Kristina Friesel # # SPDX-License-Identifier: AGPL-3.0-or-later use strict; use warnings; use 5.020; use DateTime; use Encode qw(decode encode); use Travel::Status::DE::HAFAS; use Mojo::JSON qw(decode_json); use Mojo::Promise; use XML::LibXML; sub new { my ( $class, %opt ) = @_; my $version = $opt{version}; $opt{header} = { 'User-Agent' => "dbf/${version} on $opt{root_url} +https://finalrewind.org/projects/db-fakedisplay" }; return bless( \%opt, $class ); } sub get_route_timestamps_p { my ( $self, %opt ) = @_; my $promise = Mojo::Promise->new; my $now = DateTime->now( time_zone => 'Europe/Berlin' ); my $hafas_promise; if ( $opt{trip_id} ) { $hafas_promise = Travel::Status::DE::HAFAS->new_p( journey => { id => $opt{trip_id}, }, language => $opt{language}, cache => $self->{realtime_cache}, promise => 'Mojo::Promise', user_agent => $self->{user_agent}->request_timeout(10) ); } elsif ( $opt{train} ) { $opt{train_req} = $opt{train}->type . ' ' . $opt{train}->train_no; $opt{train_origin} = $opt{train}->origin; } else { $opt{train_req} = $opt{train_type} . ' ' . $opt{train_no}; } $hafas_promise //= Travel::Status::DE::HAFAS->new_p( journeyMatch => $opt{train_req} =~ s{^- }{}r, language => $opt{language}, cache => $self->{realtime_cache}, promise => 'Mojo::Promise', user_agent => $self->{user_agent}->request_timeout(10) )->then( sub { my ($hafas) = @_; my @results = $hafas->results; if ( not @results ) { return Mojo::Promise->reject( "journeyMatch($opt{train_req}) found no results"); } return Travel::Status::DE::HAFAS->new_p( journey => { id => $results[0]->id, }, language => $opt{language}, cache => $self->{realtime_cache}, promise => 'Mojo::Promise', user_agent => $self->{user_agent}->request_timeout(10) ); } ); $hafas_promise->then( sub { my ($hafas) = @_; my $journey = $hafas->result; my $ret = {}; my $station_is_past = 1; for my $stop ( $journey->route ) { my $name = $stop->loc->name; $ret->{$name} = $ret->{ $stop->loc->eva } = { name => $stop->loc->name, eva => $stop->loc->eva, sched_arr => $stop->sched_arr, sched_dep => $stop->sched_dep, rt_arr => $stop->rt_arr, rt_dep => $stop->rt_dep, arr_delay => $stop->arr_delay, dep_delay => $stop->dep_delay, arr_cancelled => $stop->arr_cancelled, dep_cancelled => $stop->dep_cancelled, platform => $stop->platform, sched_platform => $stop->sched_platform, load => $stop->load, isCancelled => ( ( $stop->arr_cancelled or not $stop->sched_arr ) and ( $stop->dep_cancelled or not $stop->sched_dep ) ), }; if ( $station_is_past and not $ret->{$name}{isCancelled} and $now->epoch < ( $ret->{$name}{rt_arr} // $ret->{$name}{rt_dep} // $ret->{$name}{sched_arr} // $ret->{$name}{sched_dep} // $now )->epoch ) { $station_is_past = 0; } $ret->{$name}{isPast} = $station_is_past; } $promise->resolve( $ret, $journey ); return; } )->catch( sub { my ($err) = @_; $promise->reject($err); return; } )->wait; return $promise; } # Input: (HAFAS TripID, line number) # Output: Promise returning a Travel::Status::DE::HAFAS::Journey instance on success sub get_polyline_p { my ( $self, $trip_id, $line ) = @_; my $promise = Mojo::Promise->new; Travel::Status::DE::HAFAS->new_p( journey => { id => $trip_id, name => $line, }, with_polyline => 1, cache => $self->{realtime_cache}, promise => 'Mojo::Promise', user_agent => $self->{user_agent}->request_timeout(10) )->then( sub { my ($hafas) = @_; my $journey = $hafas->result; $promise->resolve($journey); return; } )->catch( sub { my ($err) = @_; $self->{log}->debug("HAFAS->new_p($trip_id, $line) error: $err"); $promise->reject($err); return; } )->wait; return $promise; } 1;