diff options
Diffstat (limited to 'lib/DBInfoscreen/Controller/Map.pm')
| -rw-r--r-- | lib/DBInfoscreen/Controller/Map.pm | 988 |
1 files changed, 764 insertions, 224 deletions
diff --git a/lib/DBInfoscreen/Controller/Map.pm b/lib/DBInfoscreen/Controller/Map.pm index 8ff68d7..4497a4a 100644 --- a/lib/DBInfoscreen/Controller/Map.pm +++ b/lib/DBInfoscreen/Controller/Map.pm @@ -7,11 +7,21 @@ use Mojo::Promise; use DateTime; use DateTime::Format::Strptime; use Geo::Distance; +use List::Util qw(); my $dbf_version = qx{git describe --dirty} || 'experimental'; +my $strp = DateTime::Format::Strptime->new( + pattern => '%Y-%m-%dT%H:%M:%S.000%z', + time_zone => 'Europe/Berlin', +); + chomp $dbf_version; +# Input: (HAFAS TripID, line number) +# Output: Promise returning a +# https://github.com/public-transport/hafas-client/blob/4/docs/trip.md instance +# on success sub get_hafas_polyline_p { my ( $self, $trip_id, $line ) = @_; @@ -22,6 +32,7 @@ sub get_hafas_polyline_p { if ( my $content = $cache->thaw($url) ) { $promise->resolve($content); + $self->app->log->debug("GET $url (cached)"); return $promise; } @@ -31,6 +42,7 @@ sub get_hafas_polyline_p { ->then( sub { my ($tx) = @_; + $self->app->log->debug("GET $url (OK)"); my $json = decode_json( $tx->res->body ); my @coordinate_list; @@ -56,6 +68,7 @@ sub get_hafas_polyline_p { )->catch( sub { my ($err) = @_; + $self->app->log->debug("GET $url (error: $err)"); $promise->reject($err); } )->wait; @@ -63,6 +76,646 @@ sub get_hafas_polyline_p { return $promise; } +sub get_route_indexes { + my ( $features, $from_name, $to_name ) = @_; + my ( $from_index, $to_index ); + + for my $i ( 0 .. $#{$features} ) { + my $this_point = $features->[$i]; + if ( not defined $from_index + and $this_point->{properties}{type} + and $this_point->{properties}{type} eq 'stop' + and $this_point->{properties}{name} eq $from_name ) + { + $from_index = $i; + } + elsif ( $this_point->{properties}{type} + and $this_point->{properties}{type} eq 'stop' + and $this_point->{properties}{name} eq $to_name ) + { + $to_index = $i; + last; + } + } + return ( $from_index, $to_index ); +} + +# Returns timestamped train positions between stop1 and stop2 (must not have +# intermittent stops) in 10-second steps. +sub estimate_timestamped_positions { + my (%opt) = @_; + + my $from_dt = $opt{from}{dep}; + my $to_dt = $opt{to}{arr}; + my $from_name = $opt{from}{name}; + my $to_name = $opt{to}{name}; + my $features = $opt{features}; + + my $duration = $to_dt->epoch - $from_dt->epoch; + + my @train_positions; + + my @completion_ratios + = map { ( $_ * 10 / $duration ) } ( 0 .. $duration / 10 ); + + my ( $from_index, $to_index ) + = get_route_indexes( $features, $from_name, $to_name ); + + my $location_epoch = $from_dt->epoch; + my $geo = Geo::Distance->new; + + if ( defined $from_index and defined $to_index ) { + my $total_distance = 0; + for my $j ( $from_index + 1 .. $to_index ) { + my $prev = $features->[ $j - 1 ]{geometry}{coordinates}; + my $this = $features->[$j]{geometry}{coordinates}; + if ( $prev and $this ) { + $total_distance += $geo->distance( + 'kilometer', $prev->[0], $prev->[1], + $this->[0], $this->[1] + ); + } + } + my @marker_distances = map { $total_distance * $_ } @completion_ratios; + $total_distance = 0; + for my $j ( $from_index + 1 .. $to_index ) { + my $prev = $features->[ $j - 1 ]{geometry}{coordinates}; + my $this = $features->[$j]{geometry}{coordinates}; + if ( $prev and $this ) { + my $prev_distance = $total_distance; + $total_distance += $geo->distance( + 'kilometer', $prev->[0], $prev->[1], + $this->[0], $this->[1] + ); + for my $i ( @train_positions .. $#marker_distances ) { + my $marker_distance = $marker_distances[$i]; + if ( $total_distance > $marker_distance ) { + + # completion ratio for the line between (prev, this) + my $sub_ratio = 1; + if ( $total_distance != $prev_distance ) { + $sub_ratio = ( $marker_distance - $prev_distance ) + / ( $total_distance - $prev_distance ); + } + + my $lat = $prev->[1] + + ( $this->[1] - $prev->[1] ) * $sub_ratio; + my $lon = $prev->[0] + + ( $this->[0] - $prev->[0] ) * $sub_ratio; + + push( @train_positions, + [ $location_epoch, $lat, $lon ] ); + $location_epoch += 10; + } + } + if ( @train_positions == @completion_ratios ) { + return @train_positions; + } + } + } + if (@train_positions) { + return @train_positions; + } + } + return; +} + +# Input: +# now: DateTime +# from: current/previous stop +# {dep => DateTime, name => str, lat => float, lon => float} +# to: next stop +# {arr => DateTime, name => str, lat => float, lon => float} +# features: https://github.com/public-transport/hafas-client/blob/4/docs/trip.md features array +# Output: list of estimated train positions in [lat, lon] format. +# - current position +# - position 2 seconds from now +# - position 4 seconds from now +# - ... +sub estimate_train_positions { + my (%opt) = @_; + + my $now = $opt{now}; + + my $from_dt = $opt{from}{dep}; + my $to_dt = $opt{to}{arr}; + my $from_name = $opt{from}{name}; + my $to_name = $opt{to}{name}; + my $features = $opt{features}; + + my @train_positions; + + my $time_complete = $now->epoch - $from_dt->epoch; + my $time_total = $to_dt->epoch - $from_dt->epoch; + + my @completion_ratios + = map { ( $time_complete + ( $_ * 2 ) ) / $time_total } ( 0 .. 45 ); + + my $geo = Geo::Distance->new; + + my ( $from_index, $to_index ) + = get_route_indexes( $features, $from_name, $to_name ); + + if ( defined $from_index and defined $to_index ) { + my $total_distance = 0; + for my $j ( $from_index + 1 .. $to_index ) { + my $prev = $features->[ $j - 1 ]{geometry}{coordinates}; + my $this = $features->[$j]{geometry}{coordinates}; + if ( $prev and $this ) { + $total_distance += $geo->distance( + 'kilometer', $prev->[0], $prev->[1], + $this->[0], $this->[1] + ); + } + } + my @marker_distances = map { $total_distance * $_ } @completion_ratios; + $total_distance = 0; + for my $j ( $from_index + 1 .. $to_index ) { + my $prev = $features->[ $j - 1 ]{geometry}{coordinates}; + my $this = $features->[$j]{geometry}{coordinates}; + if ( $prev and $this ) { + my $prev_distance = $total_distance; + $total_distance += $geo->distance( + 'kilometer', $prev->[0], $prev->[1], + $this->[0], $this->[1] + ); + for my $i ( @train_positions .. $#marker_distances ) { + my $marker_distance = $marker_distances[$i]; + if ( $total_distance > $marker_distance ) { + + # completion ratio for the line between (prev, this) + my $sub_ratio = 1; + if ( $total_distance != $prev_distance ) { + $sub_ratio = ( $marker_distance - $prev_distance ) + / ( $total_distance - $prev_distance ); + } + + my $lat = $prev->[1] + + ( $this->[1] - $prev->[1] ) * $sub_ratio; + my $lon = $prev->[0] + + ( $this->[0] - $prev->[0] ) * $sub_ratio; + + push( @train_positions, [ $lat, $lon ] ); + } + } + if ( @train_positions == @completion_ratios ) { + return @train_positions; + } + } + } + if (@train_positions) { + return @train_positions; + } + } + else { + for my $ratio (@completion_ratios) { + my $lat + = $opt{from}{lat} + ( $opt{to}{lat} - $opt{from}{lat} ) * $ratio; + my $lon + = $opt{from}{lon} + ( $opt{to}{lon} - $opt{from}{lon} ) * $ratio; + push( @train_positions, [ $lat, $lon ] ); + } + return @train_positions; + } + return [ $opt{to}{lat}, $opt{to}{lon} ]; +} + +# Input: +# now: DateTime +# route: hash +# lat: float +# lon: float +# name: str +# arr: DateTime +# dep: DateTime +# features: ref to transport.rest features list +# Output: +# next_stop: {type, station} +# positions: [current position [lat, lon], 2s from now, 4s from now, ...] +sub estimate_train_positions2 { + my (%opt) = @_; + my $now = $opt{now}; + my @route = @{ $opt{route} // [] }; + + my @train_positions; + my $next_stop; + + for my $i ( 1 .. $#route ) { + if ( $route[$i]{arr} + and $route[ $i - 1 ]{dep} + and $now > $route[ $i - 1 ]{dep} + and $now < $route[$i]{arr} ) + { + + # (current position, future positons...) in 2 second steps + @train_positions = estimate_train_positions( + from => $route[ $i - 1 ], + to => $route[$i], + now => $now, + features => $opt{features}, + ); + + $next_stop = { + type => 'next', + station => $route[$i], + }; + last; + } + if ( $route[ $i - 1 ]{dep} and $now <= $route[ $i - 1 ]{dep} ) { + @train_positions + = ( [ $route[ $i - 1 ]{lat}, $route[ $i - 1 ]{lon} ] ); + $next_stop = { + type => 'present', + station => $route[ $i - 1 ], + }; + last; + } + } + + if ( not $next_stop ) { + @train_positions = ( [ $route[-1]{lat}, $route[-1]{lon} ] ); + $next_stop = { + type => 'present', + station => $route[-1] + }; + } + + my $position_now = shift @train_positions; + + return { + next_stop => $next_stop, + position_now => $position_now, + positions => \@train_positions, + }; +} + +sub estimate_train_intersection { + my (%opt) = @_; + my @route1 = @{ $opt{routes}[0] // [] }; + my @route2 = @{ $opt{routes}[1] // [] }; + + my $ret; + + my $i1 = 0; + my $i2 = 0; + + my @pairs; + my @meeting_points; + my $geo = Geo::Distance->new; + + # skip last route element as we compare route[i] with route[i+1] + while ( $i1 < $#route1 and $i2 < $#route2 ) { + my $dep1 = $route1[$i1]{dep}; + my $arr1 = $route1[ $i1 + 1 ]{arr}; + my $dep2 = $route2[$i2]{dep}; + my $arr2 = $route2[ $i2 + 1 ]{arr}; + + if ( not( $dep1 and $arr1 ) ) { + say "skip 1 $route1[$i1]{name}"; + $i1++; + next; + } + + if ( not( $dep2 and $arr2 ) ) { + say "skip 2 $route2[$i2]{name}"; + $i2++; + next; + } + + if ( $arr1 <= $dep2 ) { + $i1++; + } + elsif ( $arr2 <= $dep1 ) { + $i2++; + } + elsif ( $arr2 <= $arr1 ) { + push( @pairs, [ $i1, $i2 ] ); + if ( $route1[$i1]{name} eq $route2[ $i2 + 1 ]{name} + and $route2[$i2]{name} eq $route1[ $i1 + 1 ]{name} ) + { + # both i1 name == i2+1 name and i1 name == i2 name are valid cases + # (trains don't just intersect when they travel in opposing + # directions -- they may also travel in the same direction + # with different speed and overtake each other). + # We need both stop pairs later on, so we save both. + $ret->{stop_pair} = [ + [ $route1[$i1]{name}, $route1[ $i1 + 1 ]{name} ], + [ $route2[$i2]{name}, $route2[ $i2 + 1 ]{name} ] + ]; + } + $i2++; + } + elsif ( $arr1 <= $arr2 ) { + push( @pairs, [ $i1, $i2 ] ); + if ( $route1[$i1]{name} eq $route2[ $i2 + 1 ]{name} + and $route2[$i2]{name} eq $route1[ $i1 + 1 ]{name} ) + { + $ret->{stop_pair} = [ + [ $route1[$i1]{name}, $route1[ $i1 + 1 ]{name} ], + [ $route2[$i2]{name}, $route2[ $i2 + 1 ]{name} ] + ]; + } + $i1++; + } + else { + $i1++; + } + } + + for my $pair (@pairs) { + my ( $i1, $i2 ) = @{$pair}; + my @train1_positions = estimate_timestamped_positions( + from => $route1[$i1], + to => $route1[ $i1 + 1 ], + features => $opt{features}[0], + ); + my @train2_positions = estimate_timestamped_positions( + from => $route2[$i2], + to => $route2[ $i2 + 1 ], + features => $opt{features}[1], + ); + $i1 = 0; + $i2 = 0; + while ( $i1 <= $#train1_positions and $i2 <= $#train2_positions ) { + if ( $train1_positions[$i1][0] < $train2_positions[$i2][0] ) { + $i1++; + } + elsif ( $train1_positions[$i2][0] < $train2_positions[$i2][0] ) { + $i2++; + } + else { + if ( + ( + my $distance = $geo->distance( + 'kilometer', + $train1_positions[$i1][2], + $train1_positions[$i1][1], + $train2_positions[$i2][2], + $train2_positions[$i2][1] + ) + ) < 1 + ) + { + my $ts = DateTime->from_epoch( + epoch => $train1_positions[$i1][0], + time_zone => 'Europe/Berlin' + ); + $ret->{first_meeting_time} //= $ts; + push( + @meeting_points, + { + timestamp => $ts, + lat => ( + $train1_positions[$i1][1] + + $train2_positions[$i2][1] + ) / 2, + lon => ( + $train1_positions[$i1][2] + + $train2_positions[$i2][2] + ) / 2, + distance => $distance, + } + ); + } + $i1++; + $i2++; + } + } + } + + $ret->{meeting_points} = \@meeting_points; + + return $ret; +} + +sub route_to_ajax { + my (@stopovers) = @_; + + my @route_entries; + + for my $stop (@stopovers) { + my @stop_entries = ( $stop->{stop}{name} ); + my $platform; + + if ( $stop->{arrival} + and my $arr = $strp->parse_datetime( $stop->{arrival} ) ) + { + my $delay = ( $stop->{arrivalDelay} // 0 ) / 60; + $platform = $stop->{arrivalPlatform}; + + push( @stop_entries, $arr->epoch, $delay ); + } + else { + push( @stop_entries, q{}, q{} ); + } + + if ( $stop->{departure} + and my $dep = $strp->parse_datetime( $stop->{departure} ) ) + { + my $delay = ( $stop->{departureDelay} // 0 ) / 60; + $platform //= $stop->{departurePlatform} // q{}; + + push( @stop_entries, $dep->epoch, $delay, $platform ); + } + else { + push( @stop_entries, q{}, q{}, q{} ); + } + + push( @route_entries, join( ';', @stop_entries ) ); + } + + return join( '|', @route_entries ); +} + +# Input: List of transport.rest stopovers +# Output: List of preprocessed stops. Each is a hash with the following keys: +# lat: float +# lon: float +# name: str +# arr: DateTime +# dep: DateTime +# arr_delay: int +# dep_delay: int +# platform: str +sub stopovers_to_route { + my (@stopovers) = @_; + my @route; + + for my $stop (@stopovers) { + my @stop_lines = ( $stop->{stop}{name} ); + my ( $platform, $arr, $dep, $arr_delay, $dep_delay ); + + if ( $stop->{arrival} + and $arr = $strp->parse_datetime( $stop->{arrival} ) ) + { + $arr_delay = ( $stop->{arrivalDelay} // 0 ) / 60; + $platform //= $stop->{arrivalPlatform}; + } + + if ( $stop->{departure} + and $dep = $strp->parse_datetime( $stop->{departure} ) ) + { + $dep_delay = ( $stop->{departureDelay} // 0 ) / 60; + $platform //= $stop->{departurePlatform}; + } + + push( + @route, + { + lat => $stop->{stop}{location}{latitude}, + lon => $stop->{stop}{location}{longitude}, + name => $stop->{stop}{name}, + arr => $arr, + dep => $dep, + arr_delay => $arr_delay, + dep_delay => $dep_delay, + platform => $platform, + } + ); + + } + return @route; +} + +sub polyline_to_line_pairs { + my (@polyline) = @_; + my @line_pairs; + for my $i ( 1 .. $#polyline ) { + push( + @line_pairs, + [ + [ $polyline[ $i - 1 ][1], $polyline[ $i - 1 ][0] ], + [ $polyline[$i][1], $polyline[$i][0] ] + ] + ); + } + return @line_pairs; +} + +sub intersection { + my ($self) = @_; + + my @trips = split( qr{;}, $self->stash('trips') ); + my @trip_ids = map { [ split( qr{,}, $_ ) ] } @trips; + + $self->render_later; + + my @polyline_requests + = map { $self->get_hafas_polyline_p( @{$_} ) } @trip_ids; + Mojo::Promise->all(@polyline_requests)->then( + sub { + my ( $pl1, $pl2 ) = map { $_->[0] } @_; + my @polyline1 = @{ $pl1->{polyline} }; + my @polyline2 = @{ $pl2->{polyline} }; + my @station_coordinates; + + my @markers; + my $next_stop; + + my $now = DateTime->now( time_zone => 'Europe/Berlin' ); + + my @line1_pairs = polyline_to_line_pairs(@polyline1); + my @line2_pairs = polyline_to_line_pairs(@polyline2); + + my @route1 + = stopovers_to_route( @{ $pl1->{raw}{stopovers} // [] } ); + my @route2 + = stopovers_to_route( @{ $pl2->{raw}{stopovers} // [] } ); + + my $train1_pos = estimate_train_positions2( + now => $now, + route => \@route1, + features => $pl1->{raw}{polyline}{features}, + ); + + my $train2_pos = estimate_train_positions2( + now => $now, + route => \@route2, + features => $pl2->{raw}{polyline}{features}, + ); + + my $intersection = estimate_train_intersection( + routes => [ \@route1, \@route2 ], + features => [ + $pl1->{raw}{polyline}{features}, + $pl2->{raw}{polyline}{features} + ], + ); + + for my $meeting_point ( @{ $intersection->{meeting_points} } ) { + push( + @station_coordinates, + [ + [ $meeting_point->{lat}, $meeting_point->{lon} ], + [ $meeting_point->{timestamp}->strftime('%H:%M') ] + ] + ); + } + + push( + @markers, + { + lat => $train1_pos->{position_now}[0], + lon => $train1_pos->{position_now}[1], + title => $pl1->{name} + }, + { + lat => $train2_pos->{position_now}[0], + lon => $train2_pos->{position_now}[1], + title => $pl2->{name} + }, + ); + + $self->render( + 'route_map', + title => "DBF", + hide_opts => 1, + with_map => 1, + intersection => 1, + train1_no => + scalar( $pl1->{raw}{line}{additionalName} // $pl1->{name} ), + train2_no => + scalar( $pl2->{raw}{line}{additionalName} // $pl2->{name} ), + likely_pair => $intersection->{stop_pair} + ? $intersection->{stop_pair}[0] + : undef, + time => scalar $intersection->{first_meeting_time}, + polyline_groups => [ + { + polylines => [ @line1_pairs, @line2_pairs ], + color => '#ffffff', + opacity => 0, + fit_bounds => 1, + }, + { + polylines => [@line1_pairs], + color => '#005080', + opacity => 0.6, + }, + { + polylines => [@line2_pairs], + color => '#800050', + opacity => 0.6, + } + ], + markers => [@markers], + station_coordinates => [@station_coordinates], + ); + } + )->catch( + sub { + my ($err) = @_; + $self->render( + 'route_map', + title => "DBF", + hide_opts => 1, + with_map => 1, + error => $err, + ); + } + )->wait; +} + sub route { my ($self) = @_; my $trip_id = $self->stash('tripid'); @@ -78,262 +731,95 @@ sub route { my ($pl) = @_; my @polyline = @{ $pl->{polyline} }; - my @line_pairs; my @station_coordinates; - my @route; my @markers; my $next_stop; - my $now = DateTime->now( time_zone => 'Europe/Berlin' ); - my $strp = DateTime::Format::Strptime->new( - pattern => '%Y-%m-%dT%H:%M:%S.000%z', - time_zone => 'Europe/Berlin', - ); + my $now = DateTime->now( time_zone => 'Europe/Berlin' ); - for my $i ( 1 .. $#polyline ) { - push( - @line_pairs, - [ - [ $polyline[ $i - 1 ][1], $polyline[ $i - 1 ][0] ], - [ $polyline[$i][1], $polyline[$i][0] ] - ] - ); - } + # used to draw the train's journey on the map + my @line_pairs = polyline_to_line_pairs(@polyline); - for my $stop ( @{ $pl->{raw}{stopovers} // [] } ) { - my @stop_lines = ( $stop->{stop}{name} ); - my ( $platform, $arr, $dep, $arr_delay, $dep_delay ); + my @route = stopovers_to_route( @{ $pl->{raw}{stopovers} // [] } ); - if ( $from_name and $stop->{stop}{name} eq $from_name ) { + # Prepare from/to markers and name/time/delay overlays for stations + for my $stop (@route) { + my @stop_lines = ( $stop->{name} ); + + if ( $from_name and $stop->{name} eq $from_name ) { push( @markers, { - lon => $stop->{stop}{location}{longitude}, - lat => $stop->{stop}{location}{latitude}, - title => $stop->{stop}{name}, + lon => $stop->{lon}, + lat => $stop->{lat}, + title => $stop->{name}, icon => 'goldIcon', } ); } - if ( $to_name and $stop->{stop}{name} eq $to_name ) { + if ( $to_name and $stop->{name} eq $to_name ) { push( @markers, { - lon => $stop->{stop}{location}{longitude}, - lat => $stop->{stop}{location}{latitude}, - title => $stop->{stop}{name}, + lon => $stop->{lon}, + lat => $stop->{lat}, + title => $stop->{name}, icon => 'greenIcon', } ); } - if ( $stop->{arrival} - and $arr = $strp->parse_datetime( $stop->{arrival} ) ) - { - $arr_delay = ( $stop->{arrivalDelay} // 0 ) / 60; - $platform //= $stop->{arrivalPlatform}; - my $arr_line = $arr->strftime('Ankunft: %H:%M'); - if ($arr_delay) { - $arr_line .= sprintf( ' (%+d)', $arr_delay ); + if ( $stop->{platform} ) { + push( @stop_lines, 'Gleis ' . $stop->{platform} ); + } + if ( $stop->{arr} ) { + my $arr_line = $stop->{arr}->strftime('Ankunft: %H:%M'); + if ( $stop->{arr_delay} ) { + $arr_line .= sprintf( ' (%+d)', $stop->{arr_delay} ); } push( @stop_lines, $arr_line ); } - - if ( $stop->{departure} - and $dep = $strp->parse_datetime( $stop->{departure} ) ) - { - $dep_delay = ( $stop->{departureDelay} // 0 ) / 60; - $platform //= $stop->{departurePlatform}; - my $dep_line = $dep->strftime('Abfahrt: %H:%M'); - if ($dep_delay) { - $dep_line .= sprintf( ' (%+d)', $dep_delay ); + if ( $stop->{dep} ) { + my $dep_line = $stop->{dep}->strftime('Abfahrt: %H:%M'); + if ( $stop->{dep_delay} ) { + $dep_line .= sprintf( ' (%+d)', $stop->{dep_delay} ); } push( @stop_lines, $dep_line ); } - if ($platform) { - splice( @stop_lines, 1, 0, "Gleis $platform" ); - } - - push( - @station_coordinates, - [ - [ - $stop->{stop}{location}{latitude}, - $stop->{stop}{location}{longitude} - ], - [@stop_lines], - ] - ); - push( - @route, - { - lat => $stop->{stop}{location}{latitude}, - lon => $stop->{stop}{location}{longitude}, - name => $stop->{stop}{name}, - arr => $arr, - dep => $dep, - arr_delay => $arr_delay, - dep_delay => $dep_delay, - platform => $platform, - } - ); - + push( @station_coordinates, + [ [ $stop->{lat}, $stop->{lon} ], [@stop_lines], ] ); } - for my $i ( 1 .. $#route ) { - if ( $route[$i]{arr} - and $route[ $i - 1 ]{dep} - and $now > $route[ $i - 1 ]{dep} - and $now < $route[$i]{arr} ) - { - my $from_dt = $route[ $i - 1 ]{dep}; - my $to_dt = $route[$i]{arr}; - my $from_name = $route[ $i - 1 ]{name}; - my $to_name = $route[$i]{name}; - - my $route_part_completion_ratio - = ( $now->epoch - $from_dt->epoch ) - / ( $to_dt->epoch - $from_dt->epoch ); - - my $title = $pl->{name}; - if ( $route[$i]{arr_delay} ) { - $title .= sprintf( ' (%+d)', $route[$i]{arr_delay} ); - } - - my $geo = Geo::Distance->new; - my ( $from_index, $to_index ); + my $train_pos = estimate_train_positions2( + now => $now, + route => \@route, + features => $pl->{raw}{polyline}{features}, + ); - for my $j ( 0 .. $#{ $pl->{raw}{polyline}{features} } ) { - my $this_point = $pl->{raw}{polyline}{features}[$j]; - if ( not defined $from_index - and $this_point->{properties}{type} - and $this_point->{properties}{type} eq 'stop' - and $this_point->{properties}{name} eq $from_name ) - { - $from_index = $j; - } - elsif ( $this_point->{properties}{type} - and $this_point->{properties}{type} eq 'stop' - and $this_point->{properties}{name} eq $to_name ) - { - $to_index = $j; - last; - } - } - if ( $from_index and $to_index ) { - my $total_distance = 0; - for my $j ( $from_index + 1 .. $to_index ) { - my $prev = $pl->{raw}{polyline}{features}[ $j - 1 ] - {geometry}{coordinates}; - my $this - = $pl->{raw}{polyline}{features}[$j]{geometry} - {coordinates}; - if ( $prev and $this ) { - $total_distance += $geo->distance( - 'kilometer', $prev->[0], $prev->[1], - $this->[0], $this->[1] - ); - } - } - my $marker_distance - = $total_distance * $route_part_completion_ratio; - $total_distance = 0; - for my $j ( $from_index + 1 .. $to_index ) { - my $prev = $pl->{raw}{polyline}{features}[ $j - 1 ] - {geometry}{coordinates}; - my $this - = $pl->{raw}{polyline}{features}[$j]{geometry} - {coordinates}; - if ( $prev and $this ) { - $total_distance += $geo->distance( - 'kilometer', $prev->[0], $prev->[1], - $this->[0], $this->[1] - ); - } - if ( $total_distance > $marker_distance ) { - push( - @markers, - { - lon => $this->[0], - lat => $this->[1], - title => $title - } - ); - $next_stop = { - type => 'next', - station => $route[$i], - }; - last; - } - } - } - else { - push( - @markers, - { - lat => $route[ $i - 1 ]{lat} + ( - ( $route[$i]{lat} - $route[ $i - 1 ]{lat} ) - * $route_part_completion_ratio - ), - lon => $route[ $i - 1 ]{lon} + ( - ( $route[$i]{lon} - $route[ $i - 1 ]{lon} ) - * $route_part_completion_ratio - ), - title => $title - } - ); - $next_stop = { - type => 'next', - station => $route[$i], - }; - } - last; - } - if ( $route[ $i - 1 ]{dep} and $now <= $route[ $i - 1 ]{dep} ) { - my $title = $pl->{name}; - if ( $route[$i]{arr_delay} ) { - $title .= sprintf( ' (%+d)', $route[$i]{arr_delay} ); - } - push( - @markers, - { - lat => $route[ $i - 1 ]{lat}, - lon => $route[ $i - 1 ]{lon}, - title => $title - } - ); - $next_stop = { - type => 'present', - station => $route[ $i - 1 ], - }; - last; + push( + @markers, + { + lat => $train_pos->{position_now}[0], + lon => $train_pos->{position_now}[1], + title => $pl->{name} } - } - if ( not @markers ) { - push( - @markers, - { - lat => $route[-1]{lat}, - lon => $route[-1]{lon}, - title => $route[-1]{name} . ' - Endstation', - } - ); - $next_stop = { - type => 'present', - station => $route[-1] - }; - } + ); + $next_stop = $train_pos->{next_stop}; $self->render( 'route_map', - title => $pl->{name}, - hide_opts => 1, - with_map => 1, - origin => { + title => $pl->{name}, + hide_opts => 1, + with_map => 1, + ajax_req => "${trip_id}/${line_no}", + ajax_route => route_to_ajax( @{ $pl->{raw}{stopovers} // [] } ), + ajax_polyline => join( '|', + map { join( ';', @{$_} ) } @{ $train_pos->{positions} } ), + origin => { name => $pl->{raw}{origin}{name}, - ts => $pl->{raw}{dep_line} + ts => $pl->{raw}{departure} ? scalar $strp->parse_datetime( $pl->{raw}{departure} ) : undef, }, @@ -363,14 +849,68 @@ sub route { my ($err) = @_; $self->render( 'route_map', - title => "DBF", - hide_opts => 1, - with_map => 1, - error => $err, - origin => undef, - destination => undef, + title => "DBF", + hide_opts => 1, + with_map => 1, + error => $err, + ); + + } + )->wait; +} + +sub ajax_route { + my ($self) = @_; + my $trip_id = $self->stash('tripid'); + my $line_no = $self->stash('lineno'); + + delete $self->stash->{layout}; + + $self->render_later; + + $self->get_hafas_polyline_p( $trip_id, $line_no )->then( + sub { + my ($pl) = @_; + + my $now = DateTime->now( time_zone => 'Europe/Berlin' ); + + my @route = stopovers_to_route( @{ $pl->{raw}{stopovers} // [] } ); + + my $train_pos = estimate_train_positions2( + now => $now, + route => \@route, + features => $pl->{raw}{polyline}{features}, ); + my @polyline = @{ $pl->{polyline} }; + $self->render( + '_map_infobox', + ajax_req => "${trip_id}/${line_no}", + ajax_route => route_to_ajax( @{ $pl->{raw}{stopovers} // [] } ), + ajax_polyline => join( '|', + map { join( ';', @{$_} ) } @{ $train_pos->{positions} } ), + origin => { + name => $pl->{raw}{origin}{name}, + ts => $pl->{raw}{departure} + ? scalar $strp->parse_datetime( $pl->{raw}{departure} ) + : undef, + }, + destination => { + name => $pl->{raw}{destination}{name}, + ts => $pl->{raw}{arrival} + ? scalar $strp->parse_datetime( $pl->{raw}{arrival} ) + : undef, + }, + next_stop => $train_pos->{next_stop}, + ); + } + )->catch( + sub { + my ($err) = @_; + $self->render( + '_error', + error => $err, + ); } )->wait; } |