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Diffstat (limited to 'lib/DBInfoscreen/Helper/HAFAS.pm')
-rw-r--r-- | lib/DBInfoscreen/Helper/HAFAS.pm | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/lib/DBInfoscreen/Helper/HAFAS.pm b/lib/DBInfoscreen/Helper/HAFAS.pm new file mode 100644 index 0000000..e16bad8 --- /dev/null +++ b/lib/DBInfoscreen/Helper/HAFAS.pm @@ -0,0 +1,318 @@ +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 utf8; + +use DateTime; +use Encode qw(decode encode); +use Travel::Status::DE::HAFAS; +use Mojo::JSON qw(decode_json); +use Mojo::Promise; +use Mojo::UserAgent; + +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_coverage { + my ( $self, $service ) = @_; + + my $service_definition = Travel::Status::DE::HAFAS::get_service($service); + + if ( not $service_definition ) { + return {}; + } + + return $service_definition->{coverage}{area} // {}; +} + +sub get_route_p { + my ( $self, %opt ) = @_; + + my $promise = Mojo::Promise->new; + my $now = DateTime->now( time_zone => 'Europe/Berlin' ); + + my $hafas_promise; + + my $agent = $self->{user_agent}; + if ( $opt{service} and $opt{service} eq 'PKP' ) { + + # PKP needs proxying + $agent = Mojo::UserAgent->new; + } + + if ( $opt{trip_id} ) { + $hafas_promise = Travel::Status::DE::HAFAS->new_p( + service => $opt{service} // 'ÖBB', + journey => { + id => $opt{trip_id}, + }, + language => $opt{language}, + cache => $self->{realtime_cache}, + promise => 'Mojo::Promise', + user_agent => $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( + service => $opt{service} // 'ÖBB', + journeyMatch => $opt{train_req} =~ s{^- }{}r, + datetime => ( $opt{train} ? $opt{train}->start : $opt{datetime} ), + language => $opt{language}, + cache => $self->{realtime_cache}, + promise => 'Mojo::Promise', + user_agent => $agent->request_timeout(10) + )->then( + sub { + my ($hafas) = @_; + my @results = $hafas->results; + + if ( not @results ) { + return Mojo::Promise->reject( + "journeyMatch($opt{train_req}) found no results"); + } + + my $result = $results[0]; + if ( @results > 1 ) { + for my $journey (@results) { + if ( $opt{train_origin} + and ( $journey->route )[0]->loc->name eq + $opt{train_origin} ) + { + $result = $journey; + last; + } + } + } + + return Travel::Status::DE::HAFAS->new_p( + service => $opt{service} // 'ÖBB', + journey => { + id => $result->id, + }, + language => $opt{language}, + cache => $self->{realtime_cache}, + promise => 'Mojo::Promise', + user_agent => $agent->request_timeout(10) + ); + } + ); + + $hafas_promise->then( + sub { + my ($hafas) = @_; + my $journey = $hafas->result; + my @ret; + my $station_is_past = 1; + + my $num_names = 0; + my $prev_name = q{}; + my $num_directions = 0; + my $prev_direction = q{}; + my $num_operators = 0; + my $prev_operator = q{}; + + for my $stop ( $journey->route ) { + my $prod = $stop->prod_dep // $stop->prod_arr; + if ( $prod and $prod->name and $prod->name ne $prev_name ) { + $num_names++; + $prev_name = $prod->name; + } + if ( $prod + and $prod->operator + and $prod->operator ne $prev_operator ) + { + $num_operators++; + $prev_operator = $prod->operator; + } + if ( $stop->direction and $stop->direction ne $prev_direction ) + { + $num_directions++; + $prev_direction = $stop->direction; + } + } + + $prev_name = q{}; + $prev_direction = q{}; + $prev_operator = q{}; + + for my $stop ( $journey->route ) { + + my $prod = $stop->prod_dep // $stop->prod_arr; + my %annotation; + if ( $num_names > 1 + and $prod + and $prod->name + and $prod->name ne $prev_name ) + { + $prev_name = $annotation{prod_name} = $prod->name; + } + if ( $num_operators > 1 + and $prod + and $prod->operator + and $prod->operator ne $prev_operator ) + { + $prev_operator = $annotation{operator} = $prod->operator; + } + if ( $num_directions > 1 + and $stop->direction + and $stop->direction ne $prev_direction ) + { + $prev_direction = $annotation{direction} = $stop->direction; + } + + if (%annotation) { + $annotation{is_annotated} = 1; + } + + push( + @ret, + { + 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, + tz_offset => $stop->tz_offset, + platform => $stop->platform, + sched_platform => $stop->sched_platform, + load => $stop->load, + isAdditional => $stop->is_additional, + isCancelled => ( + ( $stop->arr_cancelled or not $stop->sched_arr ) + and + ( $stop->dep_cancelled or not $stop->sched_dep ) + ), + %annotation, + } + ); + if ( + $station_is_past + and not $ret[-1]{isCancelled} + and $now->epoch < ( + $ret[-1]{rt_arr} // $ret[-1]{rt_dep} + // $ret[-1]{sched_arr} // $ret[-1]{sched_dep} // $now + )->epoch + ) + { + $station_is_past = 0; + } + $ret[-1]{isPast} = $station_is_past; + if ( $stop->tz_offset ) { + if ( $stop->sched_arr ) { + $ret[-1]{local_sched_arr} + = $stop->sched_arr->clone->add( + minutes => $stop->tz_offset ); + } + if ( $stop->sched_dep ) { + $ret[-1]{local_sched_dep} + = $stop->sched_dep->clone->add( + minutes => $stop->tz_offset ); + } + if ( $stop->rt_arr ) { + $ret[-1]{local_rt_arr} = $stop->rt_arr->clone->add( + minutes => $stop->tz_offset ); + } + if ( $stop->rt_dep ) { + $ret[-1]{local_rt_dep} = $stop->rt_dep->clone->add( + minutes => $stop->tz_offset ); + } + $ret[-1]{local_dt_ad} = $ret[-1]{local_rt_arr} + // $ret[-1]{local_sched_arr} // $ret[-1]{local_rt_dep} + // $ret[-1]{local_sched_dep}; + $ret[-1]{local_dt_da} = $ret[-1]{local_rt_dep} + // $ret[-1]{local_sched_dep} // $ret[-1]{local_rt_arr} + // $ret[-1]{local_sched_arr}; + } + } + + $promise->resolve( \@ret, $journey, $hafas ); + return; + } + )->catch( + sub { + my ($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, %opt ) = @_; + + my $trip_id = $opt{id}; + my $line = $opt{line}; + my $service = $opt{service} // 'ÖBB'; + my $promise = Mojo::Promise->new; + + my $agent = $self->{user_agent}; + if ( $opt{service} and $opt{service} eq 'PKP' ) { + + # PKP needs proxying + $agent = Mojo::UserAgent->new; + } + + Travel::Status::DE::HAFAS->new_p( + service => $service, + journey => { + id => $trip_id, + name => $line, + }, + with_polyline => 1, + cache => $self->{realtime_cache}, + promise => 'Mojo::Promise', + user_agent => $agent->request_timeout(10) + )->then( + sub { + my ($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; |