Finish transition from DBI to Mojo::Pg

This commit is contained in:
Daniel Friesel 2019-04-22 13:42:41 +02:00
parent c65232904f
commit 812be4f0cb
5 changed files with 73 additions and 95 deletions

View file

@ -15,8 +15,6 @@ Dependencies
* Crypt::Eksblowfish
* DateTime
* DateTime::Format::Strptime
* DBI
* DBD::Pg
* Email::Sender
* Geo::Distance
* Mojolicious

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@ -2,8 +2,6 @@ requires 'Cache';
requires 'Crypt::Eksblowfish';
requires 'DateTime';
requires 'DateTime::Format::Strptime';
requires 'DBI';
requires 'DBD::Pg';
requires 'Email::Sender';
requires 'Geo::Distance';
requires 'Geo::Distance::XS';

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@ -6,7 +6,6 @@ use Mojolicious::Plugin::Authentication;
use Cache::File;
use Crypt::Eksblowfish::Bcrypt qw(bcrypt en_base64);
use DateTime;
use DBI;
use Encode qw(decode encode);
use Geo::Distance;
use JSON;
@ -148,23 +147,6 @@ sub startup {
}
);
$self->attr(
dbh => sub {
my ($self) = @_;
my $config = $self->app->config;
my $dbname = $config->{db}->{database};
my $host = $config->{db}->{host} // 'localhost';
my $port = $config->{db}->{port} // 5432;
my $user = $config->{db}->{user};
my $pw = $config->{db}->{password};
return DBI->connect(
"dbi:Pg:dbname=${dbname};host=${host};port=${port}",
$user, $pw, { AutoCommit => 1 } );
}
);
$self->helper(
sendmail => sub {
state $sendmail = Travelynx::Helper::Sendmail->new(

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@ -10,90 +10,91 @@ has usage => sub { shift->extract_usage };
sub run {
my ( $self, $filename ) = @_;
my $dbh = $self->app->dbh;
my $now = DateTime->now( time_zone => 'Europe/Berlin' );
my $verification_deadline = $now->subtract( hours => 48 )->epoch;
my $deletion_deadline = $now->subtract( hours => 72 )->epoch;
my $verification_deadline = $now->clone->subtract( hours => 48 );
my $deletion_deadline = $now->clone->subtract( hours => 72 );
my $get_unverified_query
= $dbh->prepare(
qq{select email, extract(epoch from registered_at) from users where status = 0 and registered_at < to_timestamp(?);}
);
my $get_pending_query
= $dbh->prepare(qq{select num_tries from pending_mails where email = ?;});
my $get_deleted_query = $dbh->prepare(
qq{select id from users where deletion_requested < to_timestamp(?);});
my $set_pending_query
= $dbh->prepare(
qq{update pending_mails set num_tries = ?, last_try = to_timestamp(?) where email = ?;}
);
my $add_pending_query
= $dbh->prepare(
qq{insert into pending_mails (email, num_tries, last_try) values (?, ?, to_timestamp(?));}
);
my $drop_unverified_query
= $dbh->prepare(
qq{delete from users where status = 0 and registered_at < to_timestamp(?);}
);
my $drop_tokens_query
= $dbh->prepare(qq{delete from tokens where user_id = ?;});
my $drop_stats_query
= $dbh->prepare(qq{delete from journey_stats where user_id = ?;});
my $drop_actions_query
= $dbh->prepare(qq{delete from user_actions where user_id = ?;});
my $drop_user_query = $dbh->prepare(qq{delete from users where id = ?;});
my $db = $self->app->pg->db;
my $tx = $db->begin;
$dbh->begin_work;
$get_unverified_query->execute($verification_deadline);
while ( my @row = $get_unverified_query->fetchrow_array ) {
my ( $mail, $reg_date ) = @row;
if ($mail) {
$get_pending_query->execute($mail);
my $rows = $get_pending_query->fetchall_arrayref;
if ( @{$rows} ) {
my $num_tries = $rows->[0][0];
$set_pending_query->execute( $num_tries + 1, $reg_date, $mail );
}
else {
$add_pending_query->execute( $mail, 1, $reg_date );
}
my $unverified = $db->select(
'users',
'id, email, extract(epoch from registered_at) as registered_ts',
{
status => 0,
registered_at => { '<', $verification_deadline }
}
}
$drop_unverified_query->execute($verification_deadline);
printf( "Pruned %d unverified accounts from database\n",
$drop_unverified_query->rows );
$dbh->commit;
);
$dbh->begin_work;
$get_deleted_query->execute($deletion_deadline);
my @uids_to_delete
= map { $_->[0] } @{ $get_deleted_query->fetchall_arrayref };
for my $user ( $unverified->hashes->each ) {
my $mail = $user->{email};
my $reg_date = DateTime->from_epoch(
epoch => $user->{registered_ts},
time_zone => 'Europe/Berlin'
);
if ( @uids_to_delete < 10 ) {
for my $uid (@uids_to_delete) {
say "Deleting uid ${uid}...";
$drop_tokens_query->execute($uid);
$drop_stats_query->execute($uid);
$drop_actions_query->execute($uid);
$drop_user_query->execute($uid);
printf( " %d tokens, %d monthly stats, %d actions\n",
$drop_tokens_query->rows, $drop_stats_query->rows,
$drop_actions_query->rows );
my $pending
= $db->select( 'pending_mails', ['num_tries'], { email => $mail } );
my $pending_h = $pending->hash;
if ($pending_h) {
my $num_tries = $pending_h->{num_tries} + 1;
$db->update(
'pending_mails',
{
num_tries => $num_tries,
last_try => $reg_date
},
{ email => $mail }
);
}
else {
$db->insert(
'pending_mails',
{
email => $mail,
num_tries => 1,
last_try => $reg_date
}
);
}
$db->delete( 'users', { id => $user->{id} } );
printf( "Pruned unverified user %d\n", $user->{id} );
}
else {
printf(
"Unusually high number of deletion requests (%d accounts)"
. " -- skipping automatic deletion, please investigate\n",
my $to_delete = $db->select( 'users', ['id'],
{ deletion_requested => { '<', $deletion_deadline } } );
my @uids_to_delete = $to_delete->arrays->map( sub { shift->[0] } )->each;
if ( @uids_to_delete > 10 ) {
printf STDERR (
"About to delete %d accounts, which is quite a lot.\n",
scalar @uids_to_delete
);
say STDERR 'Aborting maintenance. Please investigate.';
exit(1);
}
$dbh->commit;
$dbh->disconnect;
for my $uid (@uids_to_delete) {
say "Deleting uid ${uid}...";
my $tokens_res = $db->delete( 'tokens', { user_id => $uid } );
my $stats_res = $db->delete( 'journey_stats', { user_id => $uid } );
my $actions_res = $db->delete( 'user_actions', { user_id => $uid } );
my $user_res = $db->delete( 'users', { id => $uid } );
printf( " %d tokens, %d monthly stats, %d actions\n",
$tokens_res->rows, $stats_res->rows, $actions_res->rows );
if ( $user_res->rows != 1 ) {
printf STDERR (
"Deleted %d rows from users, expected 1. Rollback and abort.\n",
$user_res->rows
);
exit(1);
}
}
$tx->commit;
}
1;

View file

@ -19,7 +19,6 @@ if ( not $t->app->config->{db} ) {
$t->app->pg->db->query('drop schema if exists travelynx_test_02 cascade');
$t->app->pg->db->query('create schema travelynx_test_02');
$t->app->pg->db->query('set search_path to travelynx_test_02');
$t->app->dbh->do('set search_path to travelynx_test_02');
$t->app->pg->on(
connection => sub {
my ( $pg, $dbh ) = @_;