751 lines
18 KiB
Perl
Executable file
751 lines
18 KiB
Perl
Executable file
package Travelynx::Model::Journeys;
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use Geo::Distance;
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use List::MoreUtils qw(after_incl before_incl);
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use Travel::Status::DE::IRIS::Stations;
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use strict;
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use warnings;
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use 5.020;
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use DateTime;
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use JSON;
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sub epoch_to_dt {
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my ($epoch) = @_;
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# Bugs (and user errors) may lead to undefined timestamps. Set them to
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# 1970-01-01 to avoid crashing and show obviously wrong data instead.
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$epoch //= 0;
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return DateTime->from_epoch(
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epoch => $epoch,
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time_zone => 'Europe/Berlin',
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locale => 'de-DE',
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);
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}
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sub get_station {
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my ( $station_name, $exact_match ) = @_;
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my @candidates
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= Travel::Status::DE::IRIS::Stations::get_station($station_name);
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if ( @candidates == 1 ) {
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if ( not $exact_match ) {
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return $candidates[0];
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}
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if ( $candidates[0][0] eq $station_name
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or $candidates[0][1] eq $station_name
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or $candidates[0][2] eq $station_name )
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{
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return $candidates[0];
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}
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return undef;
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}
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return undef;
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}
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sub grep_unknown_stations {
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my (@stations) = @_;
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my @unknown_stations;
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for my $station (@stations) {
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my $station_info = get_station($station);
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if ( not $station_info ) {
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push( @unknown_stations, $station );
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}
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}
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return @unknown_stations;
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}
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sub new {
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my ( $class, %opt ) = @_;
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$opt{journey_edit_mask} = {
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sched_departure => 0x0001,
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real_departure => 0x0002,
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from_station => 0x0004,
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route => 0x0010,
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is_cancelled => 0x0020,
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sched_arrival => 0x0100,
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real_arrival => 0x0200,
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to_station => 0x0400,
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};
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return bless( \%opt, $class );
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}
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# Returns (journey id, error)
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# Must be called during a transaction.
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# Must perform a rollback on error.
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sub add {
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my ( $self, %opt ) = @_;
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my $db = $opt{db};
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my $uid = $opt{uid};
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my $now = DateTime->now( time_zone => 'Europe/Berlin' );
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my $dep_station = get_station( $opt{dep_station} );
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my $arr_station = get_station( $opt{arr_station} );
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if ( not $dep_station ) {
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return ( undef, 'Unbekannter Startbahnhof' );
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}
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if ( not $arr_station ) {
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return ( undef, 'Unbekannter Zielbahnhof' );
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}
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my $daily_journey_count = $db->select(
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'journeys_str',
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'count(*) as count',
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{
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user_id => $uid,
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real_dep_ts => {
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-between => [
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$opt{rt_departure}->clone->subtract( days => 1 )->epoch,
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$opt{rt_departure}->epoch
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],
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},
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}
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)->hash->{count};
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if ( $daily_journey_count >= 100 ) {
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return ( undef,
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"In den 24 Stunden vor der angegebenen Abfahrtszeit wurden ${daily_journey_count} weitere Fahrten angetreten. Das kann nicht stimmen."
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);
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}
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my @route = ( [ $dep_station->[1], {}, undef ] );
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if ( $opt{route} ) {
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my @unknown_stations;
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for my $station ( @{ $opt{route} } ) {
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my $station_info = get_station($station);
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if ($station_info) {
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push( @route, [ $station_info->[1], {}, undef ] );
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}
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else {
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push( @route, [ $station, {}, undef ] );
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push( @unknown_stations, $station );
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}
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}
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if ( not $opt{lax} ) {
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if ( @unknown_stations == 1 ) {
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return ( undef,
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"Unbekannter Unterwegshalt: $unknown_stations[0]" );
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}
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elsif (@unknown_stations) {
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return ( undef,
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'Unbekannte Unterwegshalte: '
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. join( ', ', @unknown_stations ) );
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}
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}
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}
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push( @route, [ $arr_station->[1], {}, undef ] );
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if ( $route[0][0] eq $route[1][0] ) {
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shift(@route);
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}
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if ( $route[-2][0] eq $route[-1][0] ) {
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pop(@route);
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}
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my $entry = {
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user_id => $uid,
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train_type => $opt{train_type},
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train_line => $opt{train_line},
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train_no => $opt{train_no},
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train_id => 'manual',
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checkin_station_id => $dep_station->[2],
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checkin_time => $now,
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sched_departure => $opt{sched_departure},
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real_departure => $opt{rt_departure},
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checkout_station_id => $arr_station->[2],
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sched_arrival => $opt{sched_arrival},
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real_arrival => $opt{rt_arrival},
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checkout_time => $now,
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edited => 0x3fff,
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cancelled => $opt{cancelled} ? 1 : 0,
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route => JSON->new->encode( \@route ),
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};
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if ( $opt{comment} ) {
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$entry->{user_data}
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= JSON->new->encode( { comment => $opt{comment} } );
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}
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my $journey_id = undef;
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eval {
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$journey_id
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= $db->insert( 'journeys', $entry, { returning => 'id' } )
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->hash->{id};
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$self->invalidate_stats_cache(
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ts => $opt{rt_departure},
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db => $db,
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uid => $uid
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);
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};
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if ($@) {
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$self->{log}->error("add_journey($uid): $@");
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return ( undef, 'add_journey failed: ' . $@ );
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}
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return ( $journey_id, undef );
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}
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sub update {
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my ( $self, %opt ) = @_;
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my $db = $opt{db} // $self->{pg}->db;
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my $uid = $opt{uid};
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my $journey_id = $opt{id};
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my $rows;
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my $journey = $self->get_single(
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uid => $uid,
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db => $db,
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journey_id => $journey_id,
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with_datetime => 1,
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);
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eval {
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if ( exists $opt{from_name} ) {
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my $from_station = get_station( $opt{from_name}, 1 );
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if ( not $from_station ) {
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die("Unbekannter Startbahnhof\n");
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}
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$rows = $db->update(
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'journeys',
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{
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checkin_station_id => $from_station->[2],
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edited => $journey->{edited} | 0x0004,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{to_name} ) {
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my $to_station = get_station( $opt{to_name}, 1 );
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if ( not $to_station ) {
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die("Unbekannter Zielbahnhof\n");
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}
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$rows = $db->update(
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'journeys',
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{
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checkout_station_id => $to_station->[2],
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edited => $journey->{edited} | 0x0400,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{sched_departure} ) {
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$rows = $db->update(
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'journeys',
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{
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sched_departure => $opt{sched_departure},
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edited => $journey->{edited} | 0x0001,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{rt_departure} ) {
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$rows = $db->update(
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'journeys',
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{
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real_departure => $opt{rt_departure},
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edited => $journey->{edited} | 0x0002,
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},
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{
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id => $journey_id,
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}
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)->rows;
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# stats are partitioned by rt_departure -> both the cache for
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# the old value (see bottom of this function) and the new value
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# (here) must be invalidated.
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$self->invalidate_stats_cache(
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ts => $opt{rt_departure},
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db => $db,
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uid => $uid,
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);
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}
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if ( exists $opt{sched_arrival} ) {
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$rows = $db->update(
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'journeys',
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{
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sched_arrival => $opt{sched_arrival},
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edited => $journey->{edited} | 0x0100,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{rt_arrival} ) {
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$rows = $db->update(
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'journeys',
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{
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real_arrival => $opt{rt_arrival},
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edited => $journey->{edited} | 0x0200,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{route} ) {
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my @new_route = map { [ $_, {}, undef ] } @{ $opt{route} };
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$rows = $db->update(
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'journeys',
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{
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route => JSON->new->encode( \@new_route ),
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edited => $journey->{edited} | 0x0010,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{cancelled} ) {
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$rows = $db->update(
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'journeys',
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{
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cancelled => $opt{cancelled},
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edited => $journey->{edited} | 0x0020,
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( exists $opt{comment} ) {
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$journey->{user_data}{comment} = $opt{comment};
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$rows = $db->update(
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'journeys',
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{
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user_data => JSON->new->encode( $journey->{user_data} ),
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},
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{
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id => $journey_id,
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}
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)->rows;
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}
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if ( not defined $rows ) {
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die("Invalid update key\n");
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}
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};
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if ($@) {
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$self->{log}->error("update($journey_id): $@");
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return "update($journey_id): $@";
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}
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if ( $rows == 1 ) {
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$self->invalidate_stats_cache(
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ts => $journey->{rt_departure},
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db => $db,
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uid => $uid,
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);
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return undef;
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}
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return "update($journey_id): did not match any journey part";
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}
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sub delete {
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my ( $self, %opt ) = @_;
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my $uid = $opt{uid};
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my $db = $opt{db} // $self->{pg}->db;
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my $journey_id = $opt{id};
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my $checkin_epoch = $opt{checkin};
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my $checkout_epoch = $opt{checkout};
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my @journeys = $self->get(
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uid => $uid,
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journey_id => $journey_id
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);
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if ( @journeys == 0 ) {
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return 'Journey not found';
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}
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my $journey = $journeys[0];
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# Double-check (comparing both ID and action epoch) to make sure we
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# are really deleting the right journey and the user isn't just
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# playing around with POST requests.
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if ( $journey->{id} != $journey_id
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or $journey->{checkin_ts} != $checkin_epoch
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or $journey->{checkout_ts} != $checkout_epoch )
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{
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return 'Invalid journey data';
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}
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my $rows;
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eval {
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$rows = $db->delete(
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'journeys',
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{
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user_id => $uid,
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id => $journey_id,
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}
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)->rows;
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};
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if ($@) {
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$self->{log}->error("Delete($uid, $journey_id): $@");
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return 'DELETE failed: ' . $@;
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}
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if ( $rows == 1 ) {
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$self->invalidate_stats_cache(
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ts => epoch_to_dt( $journey->{rt_dep_ts} ),
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uid => $uid
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);
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return undef;
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}
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return sprintf( 'Deleted %d rows, expected 1', $rows );
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}
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sub get {
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my ( $self, %opt ) = @_;
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my $uid = $opt{uid};
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# If get is called from inside a transaction, db
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# specifies the database handle performing the transaction.
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# Otherwise, we grab a fresh one.
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my $db = $opt{db} // $self->{pg}->db;
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my @select
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= (
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qw(journey_id train_type train_line train_no checkin_ts sched_dep_ts real_dep_ts dep_eva checkout_ts sched_arr_ts real_arr_ts arr_eva cancelled edited route messages user_data)
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);
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my %where = (
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user_id => $uid,
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cancelled => 0
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);
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my %order = (
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order_by => {
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-desc => 'real_dep_ts',
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}
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);
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if ( $opt{cancelled} ) {
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$where{cancelled} = 1;
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}
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if ( $opt{limit} ) {
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$order{limit} = $opt{limit};
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}
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if ( $opt{journey_id} ) {
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$where{journey_id} = $opt{journey_id};
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delete $where{cancelled};
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}
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elsif ( $opt{after} and $opt{before} ) {
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$where{real_dep_ts}
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= { -between => [ $opt{after}->epoch, $opt{before}->epoch, ] };
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}
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if ( $opt{with_polyline} ) {
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push( @select, 'polyline' );
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}
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my @travels;
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my $res = $db->select( 'journeys_str', \@select, \%where, \%order );
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for my $entry ( $res->expand->hashes->each ) {
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my $ref = {
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id => $entry->{journey_id},
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type => $entry->{train_type},
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line => $entry->{train_line},
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no => $entry->{train_no},
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from_eva => $entry->{dep_eva},
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checkin_ts => $entry->{checkin_ts},
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sched_dep_ts => $entry->{sched_dep_ts},
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rt_dep_ts => $entry->{real_dep_ts},
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to_eva => $entry->{arr_eva},
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checkout_ts => $entry->{checkout_ts},
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sched_arr_ts => $entry->{sched_arr_ts},
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rt_arr_ts => $entry->{real_arr_ts},
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messages => $entry->{messages},
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route => $entry->{route},
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edited => $entry->{edited},
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user_data => $entry->{user_data},
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};
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if ( $opt{with_polyline} ) {
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$ref->{polyline} = $entry->{polyline};
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}
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if ( my $station = $self->{station_by_eva}->{ $ref->{from_eva} } ) {
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$ref->{from_ds100} = $station->[0];
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$ref->{from_name} = $station->[1];
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}
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if ( my $station = $self->{station_by_eva}->{ $ref->{to_eva} } ) {
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$ref->{to_ds100} = $station->[0];
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$ref->{to_name} = $station->[1];
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}
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if ( $opt{with_datetime} ) {
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$ref->{checkin} = epoch_to_dt( $ref->{checkin_ts} );
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$ref->{sched_departure}
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= epoch_to_dt( $ref->{sched_dep_ts} );
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$ref->{rt_departure} = epoch_to_dt( $ref->{rt_dep_ts} );
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$ref->{checkout} = epoch_to_dt( $ref->{checkout_ts} );
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$ref->{sched_arrival} = epoch_to_dt( $ref->{sched_arr_ts} );
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$ref->{rt_arrival} = epoch_to_dt( $ref->{rt_arr_ts} );
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}
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if ( $opt{verbose} ) {
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my $rename = $self->{renamed_station};
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for my $stop ( @{ $ref->{route} } ) {
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if ( $rename->{ $stop->[0] } ) {
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$stop->[0] = $rename->{ $stop->[0] };
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}
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}
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$ref->{cancelled} = $entry->{cancelled};
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my @parsed_messages;
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for my $message ( @{ $ref->{messages} // [] } ) {
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my ( $ts, $msg ) = @{$message};
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push( @parsed_messages, [ epoch_to_dt($ts), $msg ] );
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}
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$ref->{messages} = [ reverse @parsed_messages ];
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$ref->{sched_duration}
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= defined $ref->{sched_arr_ts}
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? $ref->{sched_arr_ts} - $ref->{sched_dep_ts}
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: undef;
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$ref->{rt_duration}
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= defined $ref->{rt_arr_ts}
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? $ref->{rt_arr_ts} - $ref->{rt_dep_ts}
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: undef;
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my ( $km_polyline, $km_route, $km_beeline, $skip )
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= $self->get_travel_distance($ref);
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$ref->{km_route} = $km_polyline || $km_route;
|
|
$ref->{skip_route} = $km_polyline ? 0 : $skip;
|
|
$ref->{km_beeline} = $km_beeline;
|
|
$ref->{skip_beeline} = $skip;
|
|
my $kmh_divisor
|
|
= ( $ref->{rt_duration} // $ref->{sched_duration} // 999999 )
|
|
/ 3600;
|
|
$ref->{kmh_route}
|
|
= $kmh_divisor ? $ref->{km_route} / $kmh_divisor : -1;
|
|
$ref->{kmh_beeline}
|
|
= $kmh_divisor
|
|
? $ref->{km_beeline} / $kmh_divisor
|
|
: -1;
|
|
}
|
|
|
|
push( @travels, $ref );
|
|
}
|
|
|
|
return @travels;
|
|
}
|
|
|
|
sub get_single {
|
|
my ( $self, %opt ) = @_;
|
|
|
|
$opt{cancelled} = 'any';
|
|
my @journeys = $self->get(%opt);
|
|
if ( @journeys == 0 ) {
|
|
return undef;
|
|
}
|
|
|
|
return $journeys[0];
|
|
}
|
|
|
|
sub get_oldest_ts {
|
|
my ( $self, %opt ) = @_;
|
|
my $uid = $opt{uid};
|
|
my $db = $opt{db} // $self->{pg}->db;
|
|
|
|
my $res_h = $db->select(
|
|
'journeys_str',
|
|
['sched_dep_ts'],
|
|
{
|
|
user_id => $uid,
|
|
},
|
|
{
|
|
limit => 1,
|
|
order_by => {
|
|
-asc => 'real_dep_ts',
|
|
},
|
|
}
|
|
)->hash;
|
|
|
|
if ($res_h) {
|
|
return epoch_to_dt( $res_h->{sched_dep_ts} );
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
sub sanity_check {
|
|
my ( $self, $journey, $lax ) = @_;
|
|
|
|
if ( defined $journey->{sched_duration}
|
|
and $journey->{sched_duration} <= 0 )
|
|
{
|
|
return
|
|
'Die geplante Dauer dieser Zugfahrt ist ≤ 0. Teleportation und Zeitreisen werden aktuell nicht unterstützt.';
|
|
}
|
|
if ( defined $journey->{rt_duration}
|
|
and $journey->{rt_duration} <= 0 )
|
|
{
|
|
return
|
|
'Die Dauer dieser Zugfahrt ist ≤ 0. Teleportation und Zeitreisen werden aktuell nicht unterstützt.';
|
|
}
|
|
if ( $journey->{sched_duration}
|
|
and $journey->{sched_duration} > 60 * 60 * 24 )
|
|
{
|
|
return 'Die Zugfahrt ist länger als 24 Stunden.';
|
|
}
|
|
if ( $journey->{rt_duration}
|
|
and $journey->{rt_duration} > 60 * 60 * 24 )
|
|
{
|
|
return 'Die Zugfahrt ist länger als 24 Stunden.';
|
|
}
|
|
if ( $journey->{kmh_route} > 500 or $journey->{kmh_beeline} > 500 ) {
|
|
return 'Zugfahrten mit über 500 km/h? Schön wär\'s.';
|
|
}
|
|
if ( $journey->{route} and @{ $journey->{route} } > 99 ) {
|
|
my $stop_count = @{ $journey->{route} };
|
|
return
|
|
"Die Zugfahrt hat $stop_count Unterwegshalte. Also ich weiß ja nicht so recht.";
|
|
}
|
|
if ( $journey->{edited} & 0x0010 and not $lax ) {
|
|
my @unknown_stations
|
|
= grep_unknown_stations( map { $_->[0] } @{ $journey->{route} } );
|
|
if (@unknown_stations) {
|
|
return 'Unbekannte Station(en): ' . join( ', ', @unknown_stations );
|
|
}
|
|
}
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub get_travel_distance {
|
|
my ( $self, $journey ) = @_;
|
|
|
|
my $from = $journey->{from_name};
|
|
my $from_eva = $journey->{from_eva};
|
|
my $to = $journey->{to_name};
|
|
my $to_eva = $journey->{to_eva};
|
|
my $route_ref = $journey->{route};
|
|
my $polyline_ref = $journey->{polyline};
|
|
|
|
my $distance_polyline = 0;
|
|
my $distance_intermediate = 0;
|
|
my $distance_beeline = 0;
|
|
my $skipped = 0;
|
|
my $geo = Geo::Distance->new();
|
|
my @stations = map { $_->[0] } @{$route_ref};
|
|
my @route = after_incl { $_ eq $from } @stations;
|
|
@route = before_incl { $_ eq $to } @route;
|
|
|
|
if ( @route < 2 ) {
|
|
|
|
# I AM ERROR
|
|
return ( 0, 0, 0 );
|
|
}
|
|
|
|
my @polyline = after_incl { $_->[2] and $_->[2] == $from_eva }
|
|
@{ $polyline_ref // [] };
|
|
@polyline
|
|
= before_incl { $_->[2] and $_->[2] == $to_eva } @polyline;
|
|
|
|
my $prev_station = shift @polyline;
|
|
for my $station (@polyline) {
|
|
|
|
#lonlatlonlat
|
|
$distance_polyline
|
|
+= $geo->distance( 'kilometer', $prev_station->[0],
|
|
$prev_station->[1], $station->[0], $station->[1] );
|
|
$prev_station = $station;
|
|
}
|
|
|
|
$prev_station = get_station( shift @route );
|
|
if ( not $prev_station ) {
|
|
return ( $distance_polyline, 0, 0 );
|
|
}
|
|
|
|
# Geo-coordinates for stations outside Germany are not available
|
|
# at the moment. When calculating distance with intermediate stops,
|
|
# these are simply left out (as if they were not part of the route).
|
|
# For beeline distance calculation, we use the route's first and last
|
|
# station with known geo-coordinates.
|
|
my $from_station_beeline;
|
|
my $to_station_beeline;
|
|
|
|
# $#{$station} >= 4 iff $station has geocoordinates
|
|
for my $station_name (@route) {
|
|
if ( my $station = get_station($station_name) ) {
|
|
if ( not $from_station_beeline and $#{$prev_station} >= 4 ) {
|
|
$from_station_beeline = $prev_station;
|
|
}
|
|
if ( $#{$station} >= 4 ) {
|
|
$to_station_beeline = $station;
|
|
}
|
|
if ( $#{$prev_station} >= 4 and $#{$station} >= 4 ) {
|
|
$distance_intermediate
|
|
+= $geo->distance( 'kilometer', $prev_station->[3],
|
|
$prev_station->[4], $station->[3], $station->[4] );
|
|
}
|
|
else {
|
|
$skipped++;
|
|
}
|
|
$prev_station = $station;
|
|
}
|
|
}
|
|
|
|
if ( $from_station_beeline and $to_station_beeline ) {
|
|
$distance_beeline = $geo->distance(
|
|
'kilometer', $from_station_beeline->[3],
|
|
$from_station_beeline->[4], $to_station_beeline->[3],
|
|
$to_station_beeline->[4]
|
|
);
|
|
}
|
|
|
|
return ( $distance_polyline, $distance_intermediate,
|
|
$distance_beeline, $skipped );
|
|
}
|
|
|
|
# Statistics are partitioned by real_departure, which must be provided
|
|
# when calling this function e.g. after journey deletion or editing.
|
|
# If a joureny's real_departure has been edited, this function must be
|
|
# called twice: once with the old and once with the new value.
|
|
sub invalidate_stats_cache {
|
|
my ( $self, %opt ) = @_;
|
|
|
|
my $ts = $opt{ts};
|
|
my $db = $opt{db} // $self->{pg}->db;
|
|
my $uid = $opt{uid};
|
|
|
|
$db->delete(
|
|
'journey_stats',
|
|
{
|
|
user_id => $uid,
|
|
year => $ts->year,
|
|
month => $ts->month,
|
|
}
|
|
);
|
|
$db->delete(
|
|
'journey_stats',
|
|
{
|
|
user_id => $uid,
|
|
year => $ts->year,
|
|
month => 0,
|
|
}
|
|
);
|
|
}
|
|
|
|
1;
|