155 lines
3.7 KiB
Perl
155 lines
3.7 KiB
Perl
package Travelynx::Command::work;
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use Mojo::Base 'Mojolicious::Command';
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use DateTime;
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use JSON;
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use List::Util qw(first);
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has description =>
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'Perform automatic checkout when users arrive at their destination';
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has usage => sub { shift->extract_usage };
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sub run {
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my ($self) = @_;
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my $now = DateTime->now( time_zone => 'Europe/Berlin' );
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my $json = JSON->new;
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my $db = $self->app->pg->db;
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for my $entry (
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$db->select( 'in_transit_str', '*', { cancelled => 0 } )->hashes->each )
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{
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my $uid = $entry->{user_id};
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my $dep = $entry->{dep_ds100};
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my $arr = $entry->{arr_ds100};
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my $train_id = $entry->{train_id};
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$self->app->log->debug("Processing $uid");
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# Note: IRIS data is not always updated in real-time. Both departure and
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# arrival delays may take several minutes to appear, especially in case
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# of large-scale disturbances. We work around this by continuing to
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# update departure data for up to 15 minutes after departure and
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# delaying automatic checkout by at least 10 minutes.
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eval {
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if ( $now->epoch - $entry->{real_dep_ts} < 900 ) {
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$self->app->log->debug(" - updating departure");
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my $status = $self->app->get_departures( $dep, 30, 30 );
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if ( $status->{errstr} ) {
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die("get_departures($dep): $status->{errstr}\n");
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}
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my ($train)
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= first { $_->train_id eq $train_id } @{ $status->{results} };
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if ( not $train ) {
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die("could not find train $train_id at $dep\n");
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}
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$db->update(
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'in_transit',
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{
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dep_platform => $train->platform,
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real_departure => $train->departure,
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route =>
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$json->encode( [ $self->app->route_diff($train) ] ),
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messages => $json->encode(
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[
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map { [ $_->[0]->epoch, $_->[1] ] }
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$train->messages
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]
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),
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},
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{ user_id => $uid }
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);
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$self->app->add_route_timestamps( $uid, $train, 1 );
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}
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};
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if ($@) {
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$self->app->log->error("work($uid)/departure: $@");
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}
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eval {
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if (
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$entry->{arr_name}
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and ( not $entry->{real_arr_ts}
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or $now->epoch - $entry->{real_arr_ts} < 600 )
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)
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{
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$self->app->log->debug(" - updating arrival");
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my $status = $self->app->get_departures( $arr, 20, 220 );
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if ( $status->{errstr} ) {
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die("get_departures($arr): $status->{errstr}\n");
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}
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my ($train)
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= first { $_->train_id eq $train_id } @{ $status->{results} };
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if ( not $train ) {
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# If we haven't seen the train yet, its arrival is probably
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# too far in the future. This is not critical.
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return;
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}
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$db->update(
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'in_transit',
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{
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arr_platform => $train->platform,
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sched_arrival => $train->sched_arrival,
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real_arrival => $train->arrival,
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route =>
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$json->encode( [ $self->app->route_diff($train) ] ),
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messages => $json->encode(
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[
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map { [ $_->[0]->epoch, $_->[1] ] }
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$train->messages
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]
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),
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},
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{ user_id => $uid }
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);
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$self->app->add_route_timestamps( $uid, $train, 0 );
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}
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elsif ( $entry->{real_arr_ts} ) {
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$self->app->log->debug(" - checking out");
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my ( undef, $error ) = $self->app->checkout( $arr, 1, $uid );
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if ($error) {
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die("${error}\n");
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}
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}
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};
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if ($@) {
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$self->app->log->error("work($uid)/arrival: $@");
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}
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eval { }
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}
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# Computing yearly stats may take a while, but we've got all time in the
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# world here. This means users won't have to wait when loading their
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# own by-year journey log.
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for my $user ( $db->select( 'users', 'id', { status => 1 } )->hashes->each )
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{
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$self->app->get_journey_stats(
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uid => $user->{id},
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year => $now->year
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);
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}
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}
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1;
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__END__
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=head1 SYNOPSIS
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Usage: index.pl work
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Work Work Work.
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Should be called from a cronjob every three minutes or so.
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