travelynx/lib/Travelynx/Model/InTransit.pm

452 lines
9.9 KiB
Perl

package Travelynx::Model::InTransit;
# Copyright (C) 2020 Daniel Friesel
#
# SPDX-License-Identifier: AGPL-3.0-or-later
use strict;
use warnings;
use 5.020;
use DateTime;
use JSON;
sub new {
my ( $class, %opt ) = @_;
return bless( \%opt, $class );
}
# merge [name, eva, data] from old_route into [name, undef, undef] from new_route.
# If new_route already has eva/data, it is kept as-is.
# changes new_route.
sub _merge_old_route {
my ( $self, %opt ) = @_;
my $db = $opt{db};
my $uid = $opt{uid};
my $new_route = $opt{route};
my $res_h = $db->select( 'in_transit', ['route'], { user_id => $uid } )
->expand->hash;
my $old_route = $res_h ? $res_h->{route} : [];
for my $i ( 0 .. $#{$new_route} ) {
if ( $old_route->[$i] and $old_route->[$i][0] eq $new_route->[$i][0] ) {
$new_route->[$i][1] //= $old_route->[$i][1];
if ( not keys %{ $new_route->[$i][2] // {} } ) {
$new_route->[$i][2] = $old_route->[$i][2];
}
}
}
return $new_route;
}
sub add {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $train = $opt{train};
my $checkin_station_id = $opt{departure_eva};
my $route = $opt{route};
my $json = JSON->new;
$db->insert(
'in_transit',
{
user_id => $uid,
cancelled => $train->departure_is_cancelled
? 1
: 0,
checkin_station_id => $checkin_station_id,
checkin_time => DateTime->now( time_zone => 'Europe/Berlin' ),
dep_platform => $train->platform,
train_type => $train->type,
train_line => $train->line_no,
train_no => $train->train_no,
train_id => $train->train_id,
sched_departure => $train->sched_departure,
real_departure => $train->departure,
route => $json->encode($route),
messages => $json->encode(
[ map { [ $_->[0]->epoch, $_->[1] ] } $train->messages ]
)
}
);
}
sub add_from_journey {
my ( $self, %opt ) = @_;
my $journey = $opt{journey};
my $db = $opt{db} // $self->{pg}->db;
$db->insert( 'in_transit', $journey );
}
sub delete {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
$db->delete( 'in_transit', { user_id => $uid } );
}
sub delete_incomplete_checkins {
my ( $self, %opt ) = @_;
my $db = $opt{db} // $self->{pg}->db;
return $db->delete( 'in_transit',
{ checkin_time => { '<', $opt{earlier_than} } } )->rows;
}
sub get {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $table = 'in_transit';
if ( $opt{with_timestamps} ) {
$table = 'in_transit_str';
}
my $res = $db->select( $table, '*', { user_id => $uid } );
if ( $opt{with_data} ) {
return $res->expand->hash;
}
return $res->hash;
}
sub get_all_active {
my ( $self, %opt ) = @_;
my $db = $opt{db} // $self->{pg}->db;
return $db->select( 'in_transit_str', '*', { cancelled => 0 } )
->hashes->each;
}
sub get_checkout_station_id {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $status = $db->select( 'in_transit', ['checkout_station_id'],
{ user_id => $uid } )->hash;
if ($status) {
return $status->{checkout_station_id};
}
return;
}
sub set_cancelled_destination {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $cancelled_destination = $opt{cancelled_destination};
my $res_h = $db->select( 'in_transit', ['data'], { user_id => $uid } )
->expand->hash;
my $data = $res_h ? $res_h->{data} : {};
$data->{cancelled_destination} = $cancelled_destination;
$db->update(
'in_transit',
{
checkout_station_id => undef,
checkout_time => undef,
arr_platform => undef,
sched_arrival => undef,
real_arrival => undef,
data => JSON->new->encode($data),
},
{ user_id => $uid }
);
}
sub set_arrival {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $train = $opt{train};
my $route = $opt{route};
$route = $self->_merge_old_route(
db => $db,
uid => $uid,
route => $route
);
my $json = JSON->new;
$db->update(
'in_transit',
{
checkout_time => DateTime->now( time_zone => 'Europe/Berlin' ),
arr_platform => $train->platform,
sched_arrival => $train->sched_arrival,
real_arrival => $train->arrival,
route => $json->encode($route),
messages => $json->encode(
[ map { [ $_->[0]->epoch, $_->[1] ] } $train->messages ]
)
},
{ user_id => $uid }
);
}
sub set_arrival_eva {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $checkout_station_id = $opt{arrival_eva};
$db->update(
'in_transit',
{
checkout_station_id => $checkout_station_id,
},
{ user_id => $uid }
);
}
sub set_arrival_times {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $sched_arr = $opt{sched_arrival};
my $rt_arr = $opt{rt_arrival};
$db->update(
'in_transit',
{
sched_arrival => $sched_arr,
real_arrival => $rt_arr
},
{ user_id => $uid }
);
}
sub set_polyline_id {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $polyline_id = $opt{polyline_id};
$db->update(
'in_transit',
{ polyline_id => $polyline_id },
{ user_id => $uid }
);
}
sub set_route_data {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $route = $opt{route};
my $delay_msg = $opt{delay_messages};
my $qos_msg = $opt{qos_messages};
my $him_msg = $opt{him_messages};
my $res_h = $db->select( 'in_transit', ['data'], { user_id => $uid } )
->expand->hash;
my $data = $res_h ? $res_h->{data} : {};
$data->{delay_msg} = $opt{delay_messages};
$data->{qos_msg} = $opt{qos_messages};
$data->{him_msg} = $opt{him_messages};
# no need to merge $route, it already contains HAFAS data
$db->update(
'in_transit',
{
route => JSON->new->encode($route),
data => JSON->new->encode($data)
},
{ user_id => $uid }
);
}
sub unset_arrival_data {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
$db->update(
'in_transit',
{
checkout_time => undef,
arr_platform => undef,
sched_arrival => undef,
real_arrival => undef,
},
{ user_id => $uid }
);
}
sub update_departure {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $train = $opt{train};
my $route = $opt{route};
my $json = JSON->new;
$route = $self->_merge_old_route(
db => $db,
uid => $uid,
route => $route
);
# selecting on user_id and train_no avoids a race condition if a user checks
# into a new train while we are fetching data for their previous journey. In
# this case, the new train would receive data from the previous journey.
$db->update(
'in_transit',
{
dep_platform => $train->platform,
real_departure => $train->departure,
route => $json->encode($route),
messages => $json->encode(
[ map { [ $_->[0]->epoch, $_->[1] ] } $train->messages ]
),
},
{
user_id => $uid,
train_no => $train->train_no
}
);
}
sub update_departure_cancelled {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $dep_eva = $opt{dep_eva};
my $arr_eva = $opt{arr_eva};
my $train = $opt{train};
# depending on the amount of users in transit, some time may
# have passed between fetching $entry from the database and
# now. Ensure that the user is still checked into this train
# by selecting on uid, train no, and checkin/checkout station ID.
my $rows = $db->update(
'in_transit',
{
cancelled => 1,
},
{
user_id => $uid,
train_no => $train->train_no,
checkin_station_id => $dep_eva,
checkout_station_id => $arr_eva,
}
)->rows;
return $rows;
}
sub update_arrival {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $arr_eva = $opt{arr_eva};
my $train = $opt{train};
my $route = $opt{route};
my $json = JSON->new;
$route = $self->_merge_old_route(
db => $db,
uid => $uid,
route => $route
);
# selecting on user_id, train_no and checkout_station_id avoids a
# race condition when a user checks into a new train or changes
# their destination station while we are fetching times based on no
# longer valid database entries.
my $rows = $db->update(
'in_transit',
{
arr_platform => $train->platform,
sched_arrival => $train->sched_arrival,
real_arrival => $train->arrival,
route => $json->encode($route),
messages => $json->encode(
[ map { [ $_->[0]->epoch, $_->[1] ] } $train->messages ]
),
},
{
user_id => $uid,
train_no => $train->train_no,
checkout_station_id => $arr_eva,
}
)->rows;
return $rows;
}
sub update_data {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $new_data = $opt{data} // {};
my $res_h = $db->select( 'in_transit', ['data'], { user_id => $uid } )
->expand->hash;
my $data = $res_h ? $res_h->{data} : {};
while ( my ( $k, $v ) = each %{$new_data} ) {
$data->{$k} = $v;
}
$db->update(
'in_transit',
{ data => JSON->new->encode($data) },
{ user_id => $uid }
);
}
sub update_user_data {
my ( $self, %opt ) = @_;
my $uid = $opt{uid};
my $db = $opt{db} // $self->{pg}->db;
my $new_data = $opt{user_data} // {};
my $res_h = $db->select( 'in_transit', ['user_data'], { user_id => $uid } )
->expand->hash;
my $data = $res_h ? $res_h->{user_data} : {};
while ( my ( $k, $v ) = each %{$new_data} ) {
$data->{$k} = $v;
}
$db->update(
'in_transit',
{ user_data => JSON->new->encode($data) },
{ user_id => $uid }
);
}
1;