travelynx/lib/Travelynx/Model/Journeys.pm

1238 lines
28 KiB
Perl
Executable file

package Travelynx::Model::Journeys;
# Copyright (C) 2020 Daniel Friesel
#
# SPDX-License-Identifier: AGPL-3.0-or-later
use GIS::Distance;
use List::MoreUtils qw(after_incl before_incl);
use strict;
use warnings;
use 5.020;
use utf8;
use DateTime;
use JSON;
my @month_name
= (
qw(Januar Februar März April Mai Juni Juli August September Oktober November Dezember)
);
sub epoch_to_dt {
my ($epoch) = @_;
# Bugs (and user errors) may lead to undefined timestamps. Set them to
# 1970-01-01 to avoid crashing and show obviously wrong data instead.
$epoch //= 0;
return DateTime->from_epoch(
epoch => $epoch,
time_zone => 'Europe/Berlin',
locale => 'de-DE',
);
}
sub grep_unknown_stations {
my ( $self, @stations ) = @_;
my @unknown_stations;
for my $station (@stations) {
my $station_info = $self->{stations}->get_by_name($station);
if ( not $station_info ) {
push( @unknown_stations, $station );
}
}
return @unknown_stations;
}
sub new {
my ( $class, %opt ) = @_;
$opt{journey_edit_mask} = {
sched_departure => 0x0001,
real_departure => 0x0002,
from_station => 0x0004,
route => 0x0010,
is_cancelled => 0x0020,
sched_arrival => 0x0100,
real_arrival => 0x0200,
to_station => 0x0400,
};
return bless( \%opt, $class );
}
sub stats_cache {
my ($self) = @_;
return $self->{stats_cache};
}
# Returns (journey id, error)
# Must be called during a transaction.
# Must perform a rollback on error.
sub add {
my ( $self, %opt ) = @_;
my $db = $opt{db};
my $uid = $opt{uid};
my $now = DateTime->now( time_zone => 'Europe/Berlin' );
my $dep_station = $self->{stations}->search( $opt{dep_station} );
my $arr_station = $self->{stations}->search( $opt{arr_station} );
if ( not $dep_station ) {
return ( undef, 'Unbekannter Startbahnhof' );
}
if ( not $arr_station ) {
return ( undef, 'Unbekannter Zielbahnhof' );
}
my $daily_journey_count = $db->select(
'journeys_str',
'count(*) as count',
{
user_id => $uid,
real_dep_ts => {
-between => [
$opt{rt_departure}->clone->subtract( days => 1 )->epoch,
$opt{rt_departure}->epoch
],
},
}
)->hash->{count};
if ( $daily_journey_count >= 100 ) {
return ( undef,
"In den 24 Stunden vor der angegebenen Abfahrtszeit wurden ${daily_journey_count} weitere Fahrten angetreten. Das kann nicht stimmen."
);
}
my $route_has_start = 0;
my $route_has_stop = 0;
for my $station ( @{ $opt{route} || [] } ) {
if ( $station eq $dep_station->{name}
or $station eq $dep_station->{ds100} )
{
$route_has_start = 1;
}
if ( $station eq $arr_station->{name}
or $station eq $arr_station->{ds100} )
{
$route_has_stop = 1;
}
}
my @route;
if ( not $route_has_start ) {
push( @route, [ $dep_station->{name}, {}, undef ] );
}
if ( $opt{route} ) {
my @unknown_stations;
for my $station ( @{ $opt{route} } ) {
my $station_info = $self->{stations}->search($station);
if ($station_info) {
push( @route, [ $station_info->{name}, {}, undef ] );
}
else {
push( @route, [ $station, {}, undef ] );
push( @unknown_stations, $station );
}
}
if ( not $opt{lax} ) {
if ( @unknown_stations == 1 ) {
return ( undef,
"Unbekannter Unterwegshalt: $unknown_stations[0]" );
}
elsif (@unknown_stations) {
return ( undef,
'Unbekannte Unterwegshalte: '
. join( ', ', @unknown_stations ) );
}
}
}
if ( not $route_has_stop ) {
push( @route, [ $arr_station->{name}, {}, undef ] );
}
my $entry = {
user_id => $uid,
train_type => $opt{train_type},
train_line => $opt{train_line},
train_no => $opt{train_no},
train_id => 'manual',
checkin_station_id => $dep_station->{eva},
checkin_time => $now,
sched_departure => $opt{sched_departure},
real_departure => $opt{rt_departure},
checkout_station_id => $arr_station->{eva},
sched_arrival => $opt{sched_arrival},
real_arrival => $opt{rt_arrival},
checkout_time => $now,
edited => 0x3fff,
cancelled => $opt{cancelled} ? 1 : 0,
route => JSON->new->encode( \@route ),
};
if ( $opt{comment} ) {
$entry->{user_data}
= JSON->new->encode( { comment => $opt{comment} } );
}
my $journey_id = undef;
eval {
$journey_id
= $db->insert( 'journeys', $entry, { returning => 'id' } )
->hash->{id};
$self->stats_cache->invalidate(
ts => $opt{rt_departure},
db => $db,
uid => $uid
);
};
if ($@) {
$self->{log}->error("add_journey($uid): $@");
return ( undef, 'add_journey failed: ' . $@ );
}
return ( $journey_id, undef );
}
sub add_from_in_transit {
my ( $self, %opt ) = @_;
my $db = $opt{db};
my $journey = $opt{journey};
delete $journey->{data};
$journey->{edited} = 0;
$journey->{checkout_time} = DateTime->now( time_zone => 'Europe/Berlin' );
$db->insert( 'journeys', $journey );
}
sub update {
my ( $self, %opt ) = @_;
my $db = $opt{db} // $self->{pg}->db;
my $uid = $opt{uid};
my $journey_id = $opt{id};
my $rows;
my $journey = $self->get_single(
uid => $uid,
db => $db,
journey_id => $journey_id,
with_datetime => 1,
);
eval {
if ( exists $opt{from_name} ) {
my $from_station = $self->{stations}->search( $opt{from_name} );
if ( not $from_station ) {
die("Unbekannter Startbahnhof\n");
}
$rows = $db->update(
'journeys',
{
checkin_station_id => $from_station->{eva},
edited => $journey->{edited} | 0x0004,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{to_name} ) {
my $to_station = $self->{stations}->search( $opt{to_name} );
if ( not $to_station ) {
die("Unbekannter Zielbahnhof\n");
}
$rows = $db->update(
'journeys',
{
checkout_station_id => $to_station->{eva},
edited => $journey->{edited} | 0x0400,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{sched_departure} ) {
$rows = $db->update(
'journeys',
{
sched_departure => $opt{sched_departure},
edited => $journey->{edited} | 0x0001,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{rt_departure} ) {
$rows = $db->update(
'journeys',
{
real_departure => $opt{rt_departure},
edited => $journey->{edited} | 0x0002,
},
{
id => $journey_id,
}
)->rows;
# stats are partitioned by rt_departure -> both the cache for
# the old value (see bottom of this function) and the new value
# (here) must be invalidated.
$self->stats_cache->invalidate(
ts => $opt{rt_departure},
db => $db,
uid => $uid,
);
}
if ( exists $opt{sched_arrival} ) {
$rows = $db->update(
'journeys',
{
sched_arrival => $opt{sched_arrival},
edited => $journey->{edited} | 0x0100,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{rt_arrival} ) {
$rows = $db->update(
'journeys',
{
real_arrival => $opt{rt_arrival},
edited => $journey->{edited} | 0x0200,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{route} ) {
my @new_route = map { [ $_, {}, undef ] } @{ $opt{route} };
$rows = $db->update(
'journeys',
{
route => JSON->new->encode( \@new_route ),
edited => $journey->{edited} | 0x0010,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{cancelled} ) {
$rows = $db->update(
'journeys',
{
cancelled => $opt{cancelled},
edited => $journey->{edited} | 0x0020,
},
{
id => $journey_id,
}
)->rows;
}
if ( exists $opt{comment} ) {
$journey->{user_data}{comment} = $opt{comment};
$rows = $db->update(
'journeys',
{
user_data => JSON->new->encode( $journey->{user_data} ),
},
{
id => $journey_id,
}
)->rows;
}
if ( not defined $rows ) {
die("Invalid update key\n");
}
};
if ($@) {
$self->{log}->error("update($journey_id): $@");
return "update($journey_id): $@";
}
if ( $rows == 1 ) {
$self->stats_cache->invalidate(
ts => $journey->{rt_departure},
db => $db,
uid => $uid,
);
return undef;
}
return "update($journey_id): did not match any journey part";
}
sub delete {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $journey_id = $opt{id};
my $checkin_epoch = $opt{checkin};
my $checkout_epoch = $opt{checkout};
my @journeys = $self->get(
uid => $uid,
journey_id => $journey_id
);
if ( @journeys == 0 ) {
return 'Journey not found';
}
my $journey = $journeys[0];
# Double-check (comparing both ID and action epoch) to make sure we
# are really deleting the right journey and the user isn't just
# playing around with POST requests.
if ( $journey->{id} != $journey_id
or $journey->{checkin_ts} != $checkin_epoch
or $journey->{checkout_ts} != $checkout_epoch )
{
return 'Invalid journey data';
}
my $rows;
eval {
$rows = $db->delete(
'journeys',
{
user_id => $uid,
id => $journey_id,
}
)->rows;
};
if ($@) {
$self->{log}->error("Delete($uid, $journey_id): $@");
return 'DELETE failed: ' . $@;
}
if ( $rows == 1 ) {
$self->stats_cache->invalidate(
ts => epoch_to_dt( $journey->{rt_dep_ts} ),
uid => $uid
);
return undef;
}
return sprintf( 'Deleted %d rows, expected 1', $rows );
}
# Used for undo (move journey entry to in_transit)
sub pop {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db};
my $journey_id = $opt{journey_id};
my $journey = $db->select(
'journeys',
'*',
{
user_id => $uid,
id => $journey_id
}
)->hash;
$db->delete(
'journeys',
{
user_id => $uid,
id => $journey_id
}
);
return $journey;
}
sub get {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
# If get is called from inside a transaction, db
# specifies the database handle performing the transaction.
# Otherwise, we grab a fresh one.
my $db = $opt{db} // $self->{pg}->db;
my @select
= (
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)
);
my %where = (
user_id => $uid,
cancelled => 0
);
my %order = (
order_by => {
-desc => 'real_dep_ts',
}
);
if ( $opt{cancelled} ) {
$where{cancelled} = 1;
}
if ( $opt{limit} ) {
$order{limit} = $opt{limit};
}
if ( $opt{journey_id} ) {
$where{journey_id} = $opt{journey_id};
delete $where{cancelled};
}
elsif ( $opt{after} and $opt{before} ) {
$where{real_dep_ts}
= { -between => [ $opt{after}->epoch, $opt{before}->epoch, ] };
}
elsif ( $opt{after} ) {
$where{real_dep_ts} = { '>=', $opt{after}->epoch };
}
elsif ( $opt{before} ) {
$where{real_dep_ts} = { '<=', $opt{before}->epoch };
}
if ( $opt{with_polyline} ) {
push( @select, 'polyline' );
}
my @travels;
my $res = $db->select( 'journeys_str', \@select, \%where, \%order );
for my $entry ( $res->expand->hashes->each ) {
my $ref = {
id => $entry->{journey_id},
type => $entry->{train_type},
line => $entry->{train_line},
no => $entry->{train_no},
from_eva => $entry->{dep_eva},
checkin_ts => $entry->{checkin_ts},
sched_dep_ts => $entry->{sched_dep_ts},
rt_dep_ts => $entry->{real_dep_ts},
to_eva => $entry->{arr_eva},
checkout_ts => $entry->{checkout_ts},
sched_arr_ts => $entry->{sched_arr_ts},
rt_arr_ts => $entry->{real_arr_ts},
messages => $entry->{messages},
route => $entry->{route},
edited => $entry->{edited},
user_data => $entry->{user_data},
};
if ( $opt{with_polyline} ) {
$ref->{polyline} = $entry->{polyline};
}
if ( my $station = $self->{stations}->get_by_eva( $ref->{from_eva} ) ) {
$ref->{from_ds100} = $station->{ds100};
$ref->{from_name} = $station->{name};
}
if ( my $station = $self->{stations}->get_by_eva( $ref->{to_eva} ) ) {
$ref->{to_ds100} = $station->{ds100};
$ref->{to_name} = $station->{name};
}
if ( $opt{with_datetime} ) {
$ref->{checkin} = epoch_to_dt( $ref->{checkin_ts} );
$ref->{sched_departure}
= epoch_to_dt( $ref->{sched_dep_ts} );
$ref->{rt_departure} = epoch_to_dt( $ref->{rt_dep_ts} );
$ref->{checkout} = epoch_to_dt( $ref->{checkout_ts} );
$ref->{sched_arrival} = epoch_to_dt( $ref->{sched_arr_ts} );
$ref->{rt_arrival} = epoch_to_dt( $ref->{rt_arr_ts} );
}
if ( $opt{verbose} ) {
my $rename = $self->{renamed_station};
for my $stop ( @{ $ref->{route} } ) {
if ( $rename->{ $stop->[0] } ) {
$stop->[0] = $rename->{ $stop->[0] };
}
}
$ref->{cancelled} = $entry->{cancelled};
my @parsed_messages;
for my $message ( @{ $ref->{messages} // [] } ) {
my ( $ts, $msg ) = @{$message};
push( @parsed_messages, [ epoch_to_dt($ts), $msg ] );
}
$ref->{messages} = [ reverse @parsed_messages ];
$ref->{sched_duration}
= defined $ref->{sched_arr_ts}
? $ref->{sched_arr_ts} - $ref->{sched_dep_ts}
: undef;
$ref->{rt_duration}
= defined $ref->{rt_arr_ts}
? $ref->{rt_arr_ts} - $ref->{rt_dep_ts}
: undef;
my ( $km_polyline, $km_route, $km_beeline, $skip )
= $self->get_travel_distance($ref);
$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_latest {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $latest_successful = $db->select(
'journeys_str',
'*',
{
user_id => $uid,
cancelled => 0
},
{
order_by => { -desc => 'journey_id' },
limit => 1
}
)->expand->hash;
my $latest = $db->select(
'journeys_str',
'*',
{
user_id => $uid,
},
{
order_by => { -desc => 'journey_id' },
limit => 1
}
)->expand->hash;
return ( $latest_successful, $latest );
}
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 get_latest_checkout_station_id {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $res_h = $db->select(
'journeys',
['checkout_station_id'],
{
user_id => $uid,
cancelled => 0
},
{
limit => 1,
order_by => { -desc => 'real_departure' }
}
)->hash;
if ( not $res_h ) {
return;
}
return $res_h->{checkout_station_id};
}
sub get_nav_years {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $res = $db->select(
'journeys',
'distinct extract(year from real_departure) as year',
{ user_id => $uid },
{ order_by => { -asc => 'year' } }
);
my @ret;
for my $row ( $res->hashes->each ) {
push( @ret, [ $row->{year}, $row->{year} ] );
}
return @ret;
}
sub get_years {
my ( $self, %opt ) = @_;
my @years = $self->get_nav_years(%opt);
for my $year (@years) {
my $stats = $self->stats_cache->get(
uid => $opt{uid},
year => $year,
month => 0,
);
$year->[2] = $stats // {};
}
return @years;
}
sub get_months_for_year {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $year = $opt{year};
my $res = $db->select(
'journeys',
'distinct extract(year from real_departure) as year, extract(month from real_departure) as month',
{ user_id => $uid },
{ order_by => { -asc => 'year' } }
);
my @ret;
for my $month ( 1 .. 12 ) {
push( @ret,
[ sprintf( '%d/%02d', $year, $month ), $month_name[ $month - 1 ] ]
);
}
for my $row ( $res->hashes->each ) {
if ( $row->{year} == $year ) {
my $stats = $self->stats_cache->get(
db => $db,
uid => $uid,
year => $year,
month => $row->{month}
);
# undef -> no journeys for this month; empty hash -> no cached stats
$ret[ $row->{month} - 1 ][2] = $stats // {};
}
}
return @ret;
}
sub get_yyyymm_having_journeys {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $res = $db->select(
'journeys',
"distinct to_char(real_departure, 'YYYY.MM') as yearmonth",
{ user_id => $uid },
{ order_by => { -asc => 'yearmonth' } }
);
my @ret;
for my $row ( $res->hashes->each ) {
push( @ret, [ split( qr{[.]}, $row->{yearmonth} ) ] );
}
return @ret;
}
sub generate_missing_stats {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my @journey_months = $self->get_yyyymm_having_journeys(
uid => $uid,
db => $db
);
my @stats_months = $self->stats_cache->get_yyyymm_having_stats(
uid => $uid,
$db => $db
);
my $stats_index = 0;
for my $journey_index ( 0 .. $#journey_months ) {
if ( $stats_index < @stats_months
and $journey_months[$journey_index][0]
== $stats_months[$stats_index][0]
and $journey_months[$journey_index][1]
== $stats_months[$stats_index][1] )
{
$stats_index++;
}
else {
my ( $year, $month ) = @{ $journey_months[$journey_index] };
$self->get_stats(
uid => $uid,
db => $db,
year => $year,
month => $month,
write_only => 1
);
}
}
}
sub get_nav_months {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $filter_year = $opt{year};
my $filter_month = $opt{month};
my $selected_index = undef;
my $res = $db->select(
'journeys',
"distinct to_char(real_departure, 'YYYY.MM') as yearmonth",
{ user_id => $uid },
{ order_by => { -asc => 'yearmonth' } }
);
my @months;
for my $row ( $res->hashes->each ) {
my ( $year, $month ) = split( qr{[.]}, $row->{yearmonth} );
push( @months, [ $year, $month ] );
if ( $year eq $filter_year and $month eq $filter_month ) {
$selected_index = $#months;
}
}
# returns (previous entry, current month, next entry). if there is no
# previous or next entry, the corresponding field is undef. Previous/next
# entry is usually previous/next month, but may also have a distance of
# more than one month if there are months without travels
my @ret = ( undef, undef, undef );
$ret[1] = [
"${filter_year}/${filter_month}",
$month_name[ $filter_month - 1 ] // $filter_month
];
if ( not defined $selected_index ) {
return @ret;
}
if ( $selected_index > 0 and $months[ $selected_index - 1 ] ) {
my ( $year, $month ) = @{ $months[ $selected_index - 1 ] };
$ret[0] = [ "${year}/${month}", "${month}.${year}" ];
}
if ( $selected_index < $#months ) {
my ( $year, $month ) = @{ $months[ $selected_index + 1 ] };
$ret[2] = [ "${year}/${month}", "${month}.${year}" ];
}
return @ret;
}
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
= $self->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};
if ( not $to ) {
$self->{log}
->warn("Journey $journey->{id} has no to_name for EVA $to_eva");
}
if ( not $from ) {
$self->{log}
->warn("Journey $journey->{id} has no from_name for EVA $from_eva");
}
my $distance_polyline = 0;
my $distance_intermediate = 0;
my $distance_beeline = 0;
my $skipped = 0;
my $geo = GIS::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) {
$distance_polyline += $geo->distance_metal(
$prev_station->[1], $prev_station->[0],
$station->[1], $station->[0]
);
$prev_station = $station;
}
$prev_station = $self->{stations}->get_by_name( shift @route );
if ( not $prev_station ) {
return ( $distance_polyline, 0, 0 );
}
my $from_station_beeline;
my $to_station_beeline;
for my $station_name (@route) {
if ( my $station = $self->{stations}->get_by_name($station_name) ) {
$from_station_beeline //= $prev_station;
$to_station_beeline = $station;
$distance_intermediate += $geo->distance_metal(
$prev_station->{lat}, $prev_station->{lon},
$station->{lat}, $station->{lon}
);
$prev_station = $station;
}
}
if ( $from_station_beeline and $to_station_beeline ) {
$distance_beeline = $geo->distance_metal(
$from_station_beeline->{lat}, $from_station_beeline->{lon},
$to_station_beeline->{lat}, $to_station_beeline->{lon}
);
}
return ( $distance_polyline, $distance_intermediate,
$distance_beeline, $skipped );
}
sub compute_stats {
my ( $self, @journeys ) = @_;
my $km_route = 0;
my $km_beeline = 0;
my $min_travel_sched = 0;
my $min_travel_real = 0;
my $delay_dep = 0;
my $delay_arr = 0;
my $interchange_real = 0;
my $num_trains = 0;
my $num_journeys = 0;
my @inconsistencies;
my $next_departure = 0;
for my $journey (@journeys) {
$num_trains++;
$km_route += $journey->{km_route};
$km_beeline += $journey->{km_beeline};
if ( $journey->{sched_duration}
and $journey->{sched_duration} > 0 )
{
$min_travel_sched += $journey->{sched_duration} / 60;
}
if ( $journey->{rt_duration} and $journey->{rt_duration} > 0 ) {
$min_travel_real += $journey->{rt_duration} / 60;
}
if ( $journey->{sched_dep_ts} and $journey->{rt_dep_ts} ) {
$delay_dep
+= ( $journey->{rt_dep_ts} - $journey->{sched_dep_ts} ) / 60;
}
if ( $journey->{sched_arr_ts} and $journey->{rt_arr_ts} ) {
$delay_arr
+= ( $journey->{rt_arr_ts} - $journey->{sched_arr_ts} ) / 60;
}
# Note that journeys are sorted from recent to older entries
if ( $journey->{rt_arr_ts}
and $next_departure
and $next_departure - $journey->{rt_arr_ts} < ( 60 * 60 ) )
{
if ( $next_departure - $journey->{rt_arr_ts} < 0 ) {
push( @inconsistencies,
epoch_to_dt($next_departure)->strftime('%d.%m.%Y %H:%M') );
}
else {
$interchange_real
+= ( $next_departure - $journey->{rt_arr_ts} ) / 60;
}
}
else {
$num_journeys++;
}
$next_departure = $journey->{rt_dep_ts};
}
my $ret = {
km_route => $km_route,
km_beeline => $km_beeline,
num_trains => $num_trains,
num_journeys => $num_journeys,
min_travel_sched => $min_travel_sched,
min_travel_real => $min_travel_real,
min_interchange_real => $interchange_real,
delay_dep => $delay_dep,
delay_arr => $delay_arr,
inconsistencies => \@inconsistencies,
};
for my $key (
qw(min_travel_sched min_travel_real min_interchange_real delay_dep delay_arr)
)
{
my $strf_key = $key . '_strf';
my $value = $ret->{$key};
$ret->{$strf_key} = q{};
if ( $ret->{$key} < 0 ) {
$ret->{$strf_key} .= '-';
$value *= -1;
}
$ret->{$strf_key} .= sprintf( '%02d:%02d', $value / 60, $value % 60 );
}
return $ret;
}
sub get_stats {
my ( $self, %opt ) = @_;
if ( $opt{cancelled} ) {
$self->{log}
->warn('get_journey_stats called with illegal option cancelled => 1');
return {};
}
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $year = $opt{year} // 0;
my $month = $opt{month} // 0;
# Assumption: If the stats cache contains an entry it is up-to-date.
# -> Cache entries must be explicitly invalidated whenever the user
# checks out of a train or manually edits/adds a journey.
if (
not $opt{write_only}
and my $stats = $self->stats_cache->get(
uid => $uid,
db => $db,
year => $year,
month => $month
)
)
{
return $stats;
}
my $interval_start = DateTime->new(
time_zone => 'Europe/Berlin',
year => 2000,
month => 1,
day => 1,
hour => 0,
minute => 0,
second => 0,
);
# I wonder if people will still be traveling by train in the year 3000
my $interval_end = $interval_start->clone->add( years => 1000 );
if ( $opt{year} and $opt{month} ) {
$interval_start->set(
year => $opt{year},
month => $opt{month}
);
$interval_end = $interval_start->clone->add( months => 1 );
}
elsif ( $opt{year} ) {
$interval_start->set( year => $opt{year} );
$interval_end = $interval_start->clone->add( years => 1 );
}
my @journeys = $self->get(
uid => $uid,
cancelled => $opt{cancelled} ? 1 : 0,
verbose => 1,
with_polyline => 1,
after => $interval_start,
before => $interval_end
);
my $stats = $self->compute_stats(@journeys);
$self->stats_cache->add(
uid => $uid,
db => $db,
year => $year,
month => $month,
stats => $stats
);
return $stats;
}
sub get_latest_dest_id {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
if (
my $id = $self->{in_transit}->get_checkout_station_id(
uid => $uid,
db => $db
)
)
{
return $id;
}
return $self->get_latest_checkout_station_id(
uid => $uid,
db => $db
);
}
sub get_connection_targets {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $threshold = $opt{threshold}
// DateTime->now( time_zone => 'Europe/Berlin' )->subtract( months => 4 );
my $db = $opt{db} //= $self->{pg}->db;
my $min_count = $opt{min_count} // 3;
if ( $opt{destination_name} ) {
return ( $opt{destination_name} );
}
my $dest_id = $opt{eva} // $self->get_latest_dest_id(%opt);
if ( not $dest_id ) {
return;
}
my $res = $db->query(
qq{
select
count(checkout_station_id) as count,
checkout_station_id as dest
from journeys
where user_id = ?
and checkin_station_id = ?
and real_departure > ?
group by checkout_station_id
order by count desc;
},
$uid,
$dest_id,
$threshold
);
my @destinations
= $res->hashes->grep( sub { shift->{count} >= $min_count } )
->map( sub { shift->{dest} } )->each;
@destinations = $self->{stations}->get_by_evas(@destinations);
@destinations = map { $_->{name} } @destinations;
return @destinations;
}
1;