mirror of
https://github.com/derf/travelynx
synced 2024-12-12 14:02:33 +00:00
441 lines
12 KiB
Perl
441 lines
12 KiB
Perl
package Travelynx::Command::database;
|
|
use Mojo::Base 'Mojolicious::Command';
|
|
|
|
use DateTime;
|
|
|
|
has description => 'Initialize or upgrade database layout';
|
|
|
|
has usage => sub { shift->extract_usage };
|
|
|
|
sub get_schema_version {
|
|
my ($db) = @_;
|
|
my $version;
|
|
|
|
eval {
|
|
$version
|
|
= $db->select( 'schema_version', ['version'] )->hash->{version};
|
|
};
|
|
if ($@) {
|
|
|
|
# If it failed, the version table does not exist -> run setup first.
|
|
return undef;
|
|
}
|
|
return $version;
|
|
}
|
|
|
|
sub initialize_db {
|
|
my ($db) = @_;
|
|
$db->query(
|
|
qq{
|
|
create table schema_version (
|
|
version integer primary key
|
|
);
|
|
create table users (
|
|
id serial not null primary key,
|
|
name varchar(64) not null unique,
|
|
status smallint not null,
|
|
public_level smallint not null,
|
|
email varchar(256),
|
|
token varchar(80),
|
|
password text,
|
|
registered_at timestamptz not null,
|
|
last_login timestamptz not null,
|
|
deletion_requested timestamptz
|
|
);
|
|
create table stations (
|
|
id serial not null primary key,
|
|
ds100 varchar(16) not null unique,
|
|
name varchar(64) not null unique
|
|
);
|
|
create table user_actions (
|
|
id serial not null primary key,
|
|
user_id integer not null references users (id),
|
|
action_id smallint not null,
|
|
station_id int references stations (id),
|
|
action_time timestamptz not null,
|
|
train_type varchar(16),
|
|
train_line varchar(16),
|
|
train_no varchar(16),
|
|
train_id varchar(128),
|
|
sched_time timestamptz,
|
|
real_time timestamptz,
|
|
route text,
|
|
messages text
|
|
);
|
|
create table pending_mails (
|
|
email varchar(256) not null primary key,
|
|
num_tries smallint not null,
|
|
last_try timestamptz not null
|
|
);
|
|
create table tokens (
|
|
user_id integer not null references users (id),
|
|
type smallint not null,
|
|
token varchar(80) not null,
|
|
primary key (user_id, type)
|
|
);
|
|
insert into schema_version values (0);
|
|
}
|
|
);
|
|
}
|
|
|
|
my @migrations = (
|
|
|
|
# v0 -> v1
|
|
sub {
|
|
my ($db) = @_;
|
|
$db->query(
|
|
qq{
|
|
alter table user_actions
|
|
add column edited smallint;
|
|
drop table if exists monthly_stats;
|
|
create table journey_stats (
|
|
user_id integer not null references users (id),
|
|
year smallint not null,
|
|
month smallint not null,
|
|
data jsonb not null,
|
|
primary key (user_id, year, month)
|
|
);
|
|
update schema_version set version = 1;
|
|
}
|
|
);
|
|
},
|
|
|
|
# v1 -> v2
|
|
sub {
|
|
my ($db) = @_;
|
|
$db->query(
|
|
qq{
|
|
update user_actions set edited = 0;
|
|
alter table user_actions
|
|
alter column edited set not null;
|
|
update schema_version set version = 2;
|
|
}
|
|
);
|
|
},
|
|
|
|
# v2 -> v3
|
|
# A bug in the journey distance calculation caused excessive distances to be
|
|
# reported for routes covering stations without GPS coordinates. Ensure
|
|
# all caches are rebuilt.
|
|
sub {
|
|
my ($db) = @_;
|
|
$db->query(
|
|
qq{
|
|
truncate journey_stats;
|
|
update schema_version set version = 3;
|
|
}
|
|
);
|
|
},
|
|
|
|
# v3 -> v4
|
|
# Introduces "journeys", containing one row for each complete
|
|
# journey, and "in_transit", containing the journey which is currently
|
|
# in progress (if any). "user_actions" is no longer used, but still kept
|
|
# as a backup for now.
|
|
sub {
|
|
my ($db) = @_;
|
|
|
|
$db->query(
|
|
qq{
|
|
create table journeys (
|
|
id serial not null primary key,
|
|
user_id integer not null references users (id),
|
|
train_type varchar(16) not null,
|
|
train_line varchar(16),
|
|
train_no varchar(16) not null,
|
|
train_id varchar(128) not null,
|
|
checkin_station_id integer not null references stations (id),
|
|
checkin_time timestamptz not null,
|
|
sched_departure timestamptz not null,
|
|
real_departure timestamptz not null,
|
|
checkout_station_id integer not null references stations (id),
|
|
checkout_time timestamptz not null,
|
|
sched_arrival timestamptz,
|
|
real_arrival timestamptz,
|
|
cancelled boolean not null,
|
|
edited smallint not null,
|
|
route text,
|
|
messages text
|
|
);
|
|
create table in_transit (
|
|
user_id integer not null references users (id) primary key,
|
|
train_type varchar(16) not null,
|
|
train_line varchar(16),
|
|
train_no varchar(16) not null,
|
|
train_id varchar(128) not null,
|
|
checkin_station_id integer not null references stations (id),
|
|
checkin_time timestamptz not null,
|
|
sched_departure timestamptz not null,
|
|
real_departure timestamptz not null,
|
|
checkout_station_id int references stations (id),
|
|
checkout_time timestamptz,
|
|
sched_arrival timestamptz,
|
|
real_arrival timestamptz,
|
|
cancelled boolean not null,
|
|
route text,
|
|
messages text
|
|
);
|
|
create view journeys_str as select
|
|
journeys.id as journey_id, user_id,
|
|
train_type, train_line, train_no, train_id,
|
|
extract(epoch from checkin_time) as checkin_ts,
|
|
extract(epoch from sched_departure) as sched_dep_ts,
|
|
extract(epoch from real_departure) as real_dep_ts,
|
|
dep_stations.ds100 as dep_ds100,
|
|
dep_stations.name as dep_name,
|
|
extract(epoch from checkout_time) as checkout_ts,
|
|
extract(epoch from sched_arrival) as sched_arr_ts,
|
|
extract(epoch from real_arrival) as real_arr_ts,
|
|
arr_stations.ds100 as arr_ds100,
|
|
arr_stations.name as arr_name,
|
|
cancelled, edited, route, messages
|
|
from journeys
|
|
join stations as dep_stations on dep_stations.id = checkin_station_id
|
|
join stations as arr_stations on arr_stations.id = checkout_station_id
|
|
;
|
|
create view in_transit_str as select
|
|
user_id,
|
|
train_type, train_line, train_no, train_id,
|
|
extract(epoch from checkin_time) as checkin_ts,
|
|
extract(epoch from sched_departure) as sched_dep_ts,
|
|
extract(epoch from real_departure) as real_dep_ts,
|
|
dep_stations.ds100 as dep_ds100,
|
|
dep_stations.name as dep_name,
|
|
extract(epoch from checkout_time) as checkout_ts,
|
|
extract(epoch from sched_arrival) as sched_arr_ts,
|
|
extract(epoch from real_arrival) as real_arr_ts,
|
|
arr_stations.ds100 as arr_ds100,
|
|
arr_stations.name as arr_name,
|
|
cancelled, route, messages
|
|
from in_transit
|
|
join stations as dep_stations on dep_stations.id = checkin_station_id
|
|
left join stations as arr_stations on arr_stations.id = checkout_station_id
|
|
;
|
|
}
|
|
);
|
|
|
|
my @uids
|
|
= $db->select( 'users', ['id'] )->hashes->map( sub { shift->{id} } )
|
|
->each;
|
|
my $count = 0;
|
|
|
|
for my $uid (@uids) {
|
|
my %cache;
|
|
my $prev_action_type = 0;
|
|
my $actions = $db->select(
|
|
'user_actions', '*',
|
|
{ user_id => $uid },
|
|
{ order_by => { -asc => 'id' } }
|
|
);
|
|
for my $action ( $actions->hashes->each ) {
|
|
my $action_type = $action->{action_id};
|
|
my $id = $action->{id};
|
|
|
|
if ( $action_type == 2 and $prev_action_type != 1 ) {
|
|
die(
|
|
"Inconsistent data at uid ${uid} action ${id}: Illegal transition $prev_action_type -> $action_type.\n"
|
|
);
|
|
}
|
|
|
|
if ( $action_type == 5 and $prev_action_type != 4 ) {
|
|
die(
|
|
"Inconsistent data at uid ${uid} action ${id}: Illegal transition $prev_action_type -> $action_type.\n"
|
|
);
|
|
}
|
|
|
|
if ( $action_type == 1 or $action_type == 4 ) {
|
|
%cache = (
|
|
train_type => $action->{train_type},
|
|
train_line => $action->{train_line},
|
|
train_no => $action->{train_no},
|
|
train_id => $action->{train_id},
|
|
checkin_station_id => $action->{station_id},
|
|
checkin_time => $action->{action_time},
|
|
sched_departure => $action->{sched_time},
|
|
real_departure => $action->{real_time},
|
|
route => $action->{route},
|
|
messages => $action->{messages},
|
|
cancelled => $action->{action_id} == 4 ? 1 : 0,
|
|
edited => $action->{edited},
|
|
);
|
|
}
|
|
elsif ( $action_type == 2 or $action_type == 5 ) {
|
|
$cache{checkout_station_id} = $action->{station_id};
|
|
$cache{checkout_time} = $action->{action_time};
|
|
$cache{sched_arrival} = $action->{sched_time};
|
|
$cache{real_arrival} = $action->{real_time};
|
|
$cache{edited} |= $action->{edited} << 8;
|
|
if ( $action->{route} ) {
|
|
$cache{route} = $action->{route};
|
|
}
|
|
if ( $action->{messages} ) {
|
|
$cache{messages} = $action->{messages};
|
|
}
|
|
|
|
$db->insert(
|
|
'journeys',
|
|
{
|
|
user_id => $uid,
|
|
train_type => $cache{train_type},
|
|
train_line => $cache{train_line},
|
|
train_no => $cache{train_no},
|
|
train_id => $cache{train_id},
|
|
checkin_station_id => $cache{checkin_station_id},
|
|
checkin_time => $cache{checkin_time},
|
|
sched_departure => $cache{sched_departure},
|
|
real_departure => $cache{real_departure},
|
|
checkout_station_id => $cache{checkout_station_id},
|
|
checkout_time => $cache{checkout_time},
|
|
sched_arrival => $cache{sched_arrival},
|
|
real_arrival => $cache{real_arrival},
|
|
cancelled => $cache{cancelled},
|
|
edited => $cache{edited},
|
|
route => $cache{route},
|
|
messages => $cache{messages}
|
|
}
|
|
);
|
|
|
|
%cache = ();
|
|
|
|
}
|
|
|
|
$prev_action_type = $action_type;
|
|
}
|
|
|
|
if (%cache) {
|
|
|
|
# user is currently in transit
|
|
$db->insert(
|
|
'in_transit',
|
|
{
|
|
user_id => $uid,
|
|
train_type => $cache{train_type},
|
|
train_line => $cache{train_line},
|
|
train_no => $cache{train_no},
|
|
train_id => $cache{train_id},
|
|
checkin_station_id => $cache{checkin_station_id},
|
|
checkin_time => $cache{checkin_time},
|
|
sched_departure => $cache{sched_departure},
|
|
real_departure => $cache{real_departure},
|
|
cancelled => $cache{cancelled},
|
|
route => $cache{route},
|
|
messages => $cache{messages}
|
|
}
|
|
);
|
|
}
|
|
|
|
$count++;
|
|
printf( " journey storage migration: %3.0f%% complete\n",
|
|
$count * 100 / @uids );
|
|
}
|
|
$db->update( 'schema_version', { version => 4 } );
|
|
},
|
|
|
|
# v4 -> v5
|
|
# Handle inconsistent data (overlapping journeys) in statistics. Introduces
|
|
# the "inconsistencies" stats key -> rebuild all stats.
|
|
sub {
|
|
my ($db) = @_;
|
|
$db->query(
|
|
qq{
|
|
truncate journey_stats;
|
|
update schema_version set version = 5;
|
|
}
|
|
);
|
|
},
|
|
);
|
|
|
|
sub setup_db {
|
|
my ($db) = @_;
|
|
my $tx = $db->begin;
|
|
eval {
|
|
initialize_db($db);
|
|
$tx->commit;
|
|
};
|
|
if ($@) {
|
|
say "Database initialization failed: $@";
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
sub migrate_db {
|
|
my ($db) = @_;
|
|
my $tx = $db->begin;
|
|
|
|
my $schema_version = get_schema_version($db);
|
|
say "Found travelynx schema v${schema_version}";
|
|
|
|
if ( $schema_version == @migrations ) {
|
|
say "Database layout is up-to-date";
|
|
}
|
|
|
|
eval {
|
|
for my $i ( $schema_version .. $#migrations ) {
|
|
printf( "Updating to v%d ...\n", $i + 1 );
|
|
$migrations[$i]($db);
|
|
}
|
|
};
|
|
if ($@) {
|
|
say STDERR "Migration failed: $@";
|
|
say STDERR "Rolling back to v${schema_version}";
|
|
exit(1);
|
|
}
|
|
|
|
if ( get_schema_version($db) == @migrations ) {
|
|
$tx->commit;
|
|
}
|
|
else {
|
|
printf STDERR (
|
|
"Database schema mismatch after migrations: Expected %d, got %d\n",
|
|
scalar @migrations,
|
|
get_schema_version($db)
|
|
);
|
|
say STDERR "Rolling back to v${schema_version}";
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
sub run {
|
|
my ( $self, $command ) = @_;
|
|
|
|
my $db = $self->app->pg->db;
|
|
|
|
#if ( not defined $dbh ) {
|
|
# printf( "Can't connect to the database: %s\n", $DBI::errstr );
|
|
# exit(1);
|
|
#}
|
|
|
|
if ( $command eq 'migrate' ) {
|
|
if ( not defined get_schema_version($db) ) {
|
|
setup_db($db);
|
|
}
|
|
migrate_db($db);
|
|
}
|
|
elsif ( $command eq 'has-current-schema' ) {
|
|
if ( get_schema_version($db) == @migrations ) {
|
|
say "yes";
|
|
}
|
|
else {
|
|
say "no";
|
|
exit(1);
|
|
}
|
|
}
|
|
else {
|
|
$self->help;
|
|
}
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
Usage: index.pl database <migrate|has-current-schema>
|
|
|
|
Upgrades the database layout to the latest schema.
|
|
|
|
Recommended workflow:
|
|
> systemctl stop travelynx
|
|
> perl index.pl migrate
|
|
> systemctl start travelynx
|