diff options
author | Daniel Friesel <derf@finalrewind.org> | 2022-11-05 22:01:51 +0100 |
---|---|---|
committer | Daniel Friesel <derf@finalrewind.org> | 2022-11-05 22:01:51 +0100 |
commit | 528f59dbd2be3c58ebdec16a3e047df7796452a2 (patch) | |
tree | 15ddb339d393a8ec3b596ac4b2da0dd12defbbaa /lib/Travelynx/Helper | |
parent | 087d3871e127175652c5acc8e44c3c7e358ce05f (diff) |
obtain polylines via mgate (T-S-DE-HAFAS)
Diffstat (limited to 'lib/Travelynx/Helper')
-rw-r--r-- | lib/Travelynx/Helper/HAFAS.pm | 135 |
1 files changed, 40 insertions, 95 deletions
diff --git a/lib/Travelynx/Helper/HAFAS.pm b/lib/Travelynx/Helper/HAFAS.pm index 62814b6..7b42384 100644 --- a/lib/Travelynx/Helper/HAFAS.pm +++ b/lib/Travelynx/Helper/HAFAS.pm @@ -34,97 +34,6 @@ sub new { return bless( \%opt, $class ); } -sub get_polyline_p { - my ( $self, $train, $trip_id ) = @_; - - my $line = $train->line // 0; - my $backend = $self->{hafas_rest_api}; - my $url = "${backend}/trips/${trip_id}?lineName=${line}&polyline=true"; - my $cache = $self->{main_cache}; - my $promise = Mojo::Promise->new; - my $version = $self->{version}; - - if ( my $content = $cache->thaw($url) ) { - return $promise->resolve($content); - } - - my $log_url = $url; - $log_url =~ s{://\K[^:]+:[^@]+\@}{***@}; - - $self->{user_agent}->request_timeout(5)->get_p( $url => $self->{header} ) - ->then( - sub { - my ($tx) = @_; - - if ( my $err = $tx->error ) { - $promise->reject( -"hafas->get_polyline_p($log_url) returned HTTP $err->{code} $err->{message}" - ); - return; - } - - my $body = decode( 'utf-8', $tx->res->body ); - my $json = JSON->new->decode($body); - my @station_list; - my @coordinate_list; - - for my $feature ( @{ $json->{polyline}{features} } ) { - if ( exists $feature->{geometry}{coordinates} ) { - my $coord = $feature->{geometry}{coordinates}; - if ( exists $feature->{properties}{type} - and $feature->{properties}{type} eq 'stop' ) - { - push( @{$coord}, $feature->{properties}{id} ); - push( @station_list, $feature->{properties}{name} ); - } - push( @coordinate_list, $coord ); - } - } - - my $ret = { - name => $json->{line}{name} // '?', - polyline => [@coordinate_list], - raw => $json, - }; - - $cache->freeze( $url, $ret ); - - # borders (Gr" as in "Grenze") are only returned by HAFAS. - # They are not stations. - my $iris_stations = join( '|', $train->route ); - my $hafas_stations - = join( '|', grep { $_ !~ m{(\(Gr\)|\)Gr)$} } @station_list ); - - # Do not return polyline if it belongs to an entirely different - # train. Trains with longer routes (e.g. due to train number - # changes, which are handled by HAFAS but left out in IRIS) - # are okay though. - if ( $iris_stations ne $hafas_stations - and index( $hafas_stations, $iris_stations ) == -1 ) - { - $self->{log}->info( 'Ignoring polyline for ' - . $train->line - . ": IRIS route does not agree with HAFAS route: $iris_stations != $hafas_stations" - ); - $promise->reject( - "hafas->get_polyline_p($log_url): polyline route mismatch"); - } - else { - $promise->resolve($ret); - } - return; - } - )->catch( - sub { - my ($err) = @_; - $promise->reject("hafas->get_polyline_p($log_url): $err"); - return; - } - )->wait; - - return $promise; -} - sub get_json_p { my ( $self, $url, %opt ) = @_; @@ -186,14 +95,16 @@ sub get_route_timestamps_p { # name => $opt{train_no}, }, - cache => $self->{realtime_cache}, - promise => 'Mojo::Promise', - user_agent => $self->{user_agent}->request_timeout(10) + with_polyline => $opt{with_polyline}, + cache => $self->{realtime_cache}, + promise => 'Mojo::Promise', + user_agent => $self->{user_agent}->request_timeout(10), )->then( sub { my ($hafas) = @_; my $journey = $hafas->result; my $ret = {}; + my $polyline; my $station_is_past = 1; for my $stop ( $journey->route ) { @@ -228,7 +139,41 @@ sub get_route_timestamps_p { $ret->{$name}{isPast} = $station_is_past; } - $promise->resolve( $ret, $journey ); + if ( $journey->polyline ) { + my @station_list; + my @coordinate_list; + + for my $coord ( $journey->polyline ) { + if ( $coord->{name} ) { + push( @coordinate_list, + [ $coord->{lon}, $coord->{lat}, $coord->{eva} ] ); + push( @station_list, $coord->{name} ); + } + else { + push( @coordinate_list, + [ $coord->{lon}, $coord->{lat} ] ); + } + } + my $iris_stations = join( '|', $opt{train}->route ); + my $hafas_stations = join( '|', @station_list ); + if ( $iris_stations eq $hafas_stations + or index( $hafas_stations, $iris_stations ) != -1 ) + { + $polyline = { + from_eva => ( $journey->route )[0]{eva}, + to_eva => ( $journey->route )[-1]{eva}, + coords => \@coordinate_list, + }; + } + else { + $self->{log}->info( 'Ignoring polyline for ' + . $opt{train}->line + . ": IRIS route does not agree with HAFAS route: $iris_stations != $hafas_stations" + ); + } + } + + $promise->resolve( $ret, $journey, $polyline ); return; } )->catch( |