X-Git-Url: http://git.ieval.ro/?p=gruntmaster-data.git;a=blobdiff_plain;f=lib%2FGruntmaster%2FData.pm;h=d5d7152462e1218a274c5dd1421ee3a9c56513dc;hp=5754491737e846ac5d5f4177bea0b9bca9947edd;hb=e1b9f3ddadeb424826cacd6319cd065d9b008e95;hpb=526b9e807f925f5a2f58d0b134444755117da83d diff --git a/lib/Gruntmaster/Data.pm b/lib/Gruntmaster/Data.pm index 5754491..d5d7152 100644 --- a/lib/Gruntmaster/Data.pm +++ b/lib/Gruntmaster/Data.pm @@ -1,229 +1,349 @@ -use utf8; package Gruntmaster::Data; +use 5.014; +use warnings; -# Created by DBIx::Class::Schema::Loader -# DO NOT MODIFY THE FIRST PART OF THIS FILE +use parent qw/Exporter/; +our $VERSION = '5999.000_013'; +our @EXPORT = qw/dbinit purge db user_list user_entry problem_list problem_entry contest_list contest_entry contest_has_problem job_list job_entry create_job standings update_status rerun_job take_job finish_job open_problem/; +our @EXPORT_OK = @EXPORT; -use strict; -use warnings; +use JSON::MaybeXS qw/decode_json/; +use HTTP::Tiny; +use PerlX::Maybe qw/maybe/; + +use DBI; +use DBIx::Simple; +use List::Util qw/sum/; +use SQL::Abstract; + +use constant PROBLEM_PUBLIC_COLUMNS => [qw/id author writer level name owner private timeout olimit value/]; +use constant JOBS_PER_PAGE => 50; + +my %statements = ( + user_list_sth => 'SELECT * FROM user_list LIMIT 200', + user_entry_sth => 'SELECT * FROM user_data WHERE id = ?', + + problem_status_sth => 'SELECT problem,solved FROM problem_status WHERE owner = ?', + contest_status_sth => 'SELECT contest,score,rank FROM contest_status WHERE owner = ?', -use base 'DBIx::Class::Schema'; + contest_list_sth => 'SELECT * FROM contest_entry', + contest_entry_sth => 'SELECT * FROM contest_entry WHERE id = ?', + contest_has_problem_sth => 'SELECT EXISTS(SELECT 1 FROM contest_problems WHERE contest = ? AND problem = ?)', + opens_sth => 'SELECT problem,owner,time FROM opens WHERE contest = ?', -__PACKAGE__->load_namespaces; + problem_entry_sth => 'SELECT ' . (join ',', @{PROBLEM_PUBLIC_COLUMNS()}, 'statement', 'solution') . ' FROM problems WHERE id = ?', + limits_sth => 'SELECT format,timeout FROM limits WHERE problem = ?', + job_entry_sth => 'SELECT * FROM job_entry WHERE id = ?', -# Created by DBIx::Class::Schema::Loader v0.07039 @ 2014-03-05 13:11:39 -# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:dAEmtAexvUaNXLgYz2rNEg + rerun_job_sth => 'UPDATE jobs SET daemon=NULL,result=-2,result_text=NULL,results=NULL,errors=NULL WHERE id = ?', + take_job_sth => 'UPDATE jobs SET daemon=? WHERE id = (SELECT id FROM jobs WHERE daemon IS NULL LIMIT 1 FOR UPDATE) RETURNING id', +); -our $VERSION = '5999.000_007'; +our $db; +sub db () { $db } -use Lingua::EN::Inflect qw/PL_N/; -use JSON qw/decode_json/; -use Sub::Name qw/subname/; +sub dbinit { + $db = DBIx::Simple->new(@_); + $db->keep_statements = 100; +}; -use constant PROBLEM_PUBLIC_COLUMNS => [qw/id author writer level name owner private statement timeout olimit value/]; -use constant USER_PUBLIC_COLUMNS => [qw/id admin name town university level/]; -use constant JOBS_PER_PAGE => 10; +sub purge; -sub dynsub{ - our ($name, $sub) = @_; - no strict 'refs'; - *$name = subname $name => $sub +sub _query { + my ($stat, @extra) = @_; + $db->query($statements{$stat}, @extra) } -BEGIN { - for my $rs (qw/contest contest_problem job open problem user/) { - my $rsname = ucfirst $rs; - $rsname =~ s/_([a-z])/\u$1/g; - dynsub PL_N($rs) => sub { $_[0]->resultset($rsname) }; - dynsub $rs => sub { $_[0]->resultset($rsname)->find($_[1]) }; +my (%name_cache, %name_cache_time); +use constant NAME_CACHE_MAX_AGE => 5; + +sub _object_name { + my ($table, $id) = @_; + $name_cache_time{$table} //= 0; + if (time - $name_cache_time{$table} > NAME_CACHE_MAX_AGE) { + $name_cache_time{$table} = time; + $name_cache{$table} = {}; + $name_cache{$table} = $db->select($table, 'id,name')->map; } + + $name_cache{$table}{$id} } -sub user_list { - my $rs = $_[0]->users->search(undef, {order_by => 'name', columns => USER_PUBLIC_COLUMNS}); - [ map +{ $_->get_columns }, $rs->all ] + +sub _add_names ($) { ## no critic (ProhibitSubroutinePrototypes) + my ($el) = @_; + return unless defined $el; + if (ref $el eq 'ARRAY') { + &_add_names ($_) for @$el ## no critic (ProhibitAmpersandSigils) + } else { + for my $object (qw/contest owner problem/) { + my $table = $object eq 'owner' ? 'users' : "${object}s"; + $el->{"${object}_name"} = _object_name $table, $el->{$object} if defined $el->{$object} + } + } + + $el } +sub user_list { scalar _query('user_list_sth')->hashes } + sub user_entry { - my ($self, $id) = @_; - +{ $self->users->find($id, {columns => USER_PUBLIC_COLUMNS})->get_columns } + my ($id) = @_; + my $ret = _query('user_entry_sth', $id)->hash; + $ret->{problems} = _add_names _query('problem_status_sth', $id)->hashes; + $ret->{contests} = _add_names _query('contest_status_sth', $id)->hashes; + + $ret; } sub problem_list { - my ($self, %args) = @_; - my $rs = $self->problems->search(undef, {order_by => 'me.name', columns => PROBLEM_PUBLIC_COLUMNS, prefetch => 'owner'}); - $rs = $rs->search({-or => ['contest_problems.contest' => undef, 'contest.stop' => {'<=', time}], 'me.private' => 0}, {join => {'contest_problems' => 'contest'}, distinct => 1}) unless $args{contest}; - $rs = $rs->search({'contest_problems.contest' => $args{contest}}, {join => 'contest_problems'}) if $args{contest}; - $rs = $rs->search({'me.owner' => $args{owner}}) if $args{owner}; - my %params; - $params{contest} = $args{contest} if $args{contest}; - for ($rs->all) { - $params{$_->level} //= []; - push $params{$_->level}, {$_->get_columns, owner_name => $_->owner->name} ; - } - \%params + my (%args) = @_; + my @columns = @{PROBLEM_PUBLIC_COLUMNS()}; + push @columns, 'solution' if $args{solution}; + my %where; + $where{private} = 0 unless $args{contest} || $args{private}; + $where{'cp.contest'} = $args{contest} if $args{contest}; + $where{owner} = $args{owner} if $args{owner}; + + my $table = $args{contest} ? 'problems JOIN contest_problems cp ON cp.problem = id' : 'problems'; + _add_names $db->select(\$table, \@columns, \%where, 'name')->hashes } sub problem_entry { - my ($self, $id, $contest, $user) = @_; - my $pb = $self->problems->find($id, {columns => PROBLEM_PUBLIC_COLUMNS, prefetch => 'owner'}); - my $running = $contest && $self->contest($contest)->is_running; - eval { - $self->opens->create({ - contest => $contest, - problem => $id, - owner => $user, - time => time, - }) - } if $running; - +{ $pb->get_columns, owner_name => $pb->owner->name, cansubmit => $contest ? $running : 1 } -} - -sub contest_list { - my ($self, %args) = @_; - my $rs = $self->contests->search(undef, {order_by => {-desc => 'start'}, prefetch => 'owner'}); - $rs = $rs->search({owner => $args{owner}}) if $args{owner}; - my %params; - for ($rs->all) { - my $state = $_->is_pending ? 'pending' : $_->is_running ? 'running' : 'finished'; - $params{$state} //= []; - push $params{$state}, { $_->get_columns, started => !$_->is_pending, owner_name => $_->owner->name }; + my ($id, $contest) = @_; + $contest = contest_entry ($contest) if $contest; + my $ret = _add_names _query(problem_entry_sth => $id)->hash; + my $limits = _query(limits_sth => $id)->hashes; + $ret->{limits} = $limits if @$limits; + + if ($contest) { + $ret->{contest_start} = $contest->{start}; + $ret->{contest_stop} = $contest->{stop}; + delete $ret->{solution} } - \%params -} -sub contest_entry { - my ($self, $id) = @_; - my $ct = $self->contest($id); - +{ $ct->get_columns, started => !$ct->is_pending, owner_name => $ct->owner->name } + $ret } +sub contest_list { _add_names _query('contest_list_sth')->hashes } + +sub contest_entry { _add_names _query(contest_entry_sth => $_[0])->hash } + +sub contest_has_problem { _query('contest_has_problem_sth', @_[0, 1])->flat } + sub job_list { - my ($self, %args) = @_; - $args{page} //= 1; - my $rs = $self->jobs->search(undef, {order_by => {-desc => 'me.id'}, prefetch => ['problem', 'owner'], rows => JOBS_PER_PAGE, offset => ($args{page} - 1) * JOBS_PER_PAGE}); - $rs = $rs->search({'me.owner' => $args{owner}}) if $args{owner}; - $rs = $rs->search({contest => $args{contest}}) if $args{contest}; - $rs = $rs->search({problem => $args{problem}}) if $args{problem}; - [map { - my %params = $_->get_columns; - $params{owner_name} = $_->owner->name; - $params{problem_name} = $_->problem->name; - $params{results} &&= decode_json $params{results}; - $params{size} = length $params{source}; - delete $params{source}; - \%params - } $rs->all] + my (%args) = @_; + $args{page} = int ($args{page} // 1); + my %where = ( + maybe contest => $args{contest}, + maybe owner => $args{owner}, + maybe problem => $args{problem}, + maybe result => $args{result}, + ); + $where{private} = 0 unless $args{private}; + + my $rows = $db->select('job_entry', 'COUNT(*)', \%where)->list; + my $pages = int (($rows + JOBS_PER_PAGE - 1) / JOBS_PER_PAGE); + my ($stmt, @bind) = $db->abstract->select('job_entry', '*', \%where, {-desc => 'id'}); + my $jobs = _add_names $db->query("$stmt LIMIT " . JOBS_PER_PAGE . ' OFFSET ' . ($args{page} - 1) * JOBS_PER_PAGE, @bind)->hashes; + my $pageinfo = { + current_page => $args{page}, + last_page => $pages, + ($args{page} - 1) ? (previous_page => $args{page} - 1) : (), + ($args{page} < $pages) ? (next_page => $args{page} + 1) : (), + }; + wantarray ? ($jobs, $pageinfo) : $jobs; } sub job_entry { - my ($self, $id) = @_; - my $job = $self->jobs->find($id, {prefetch => ['problem', 'owner']}); - my %params = $job->get_columns; - $params{owner_name} = $job->owner->name; - $params{problem_name} = $job->problem->name; - $params{results} &&= decode_json $params{results}; - $params{size} = length $params{source}; - delete $params{source}; - \%params + my $ret = _add_names _query(job_entry_sth => $_[0])->hash; + $ret->{results} = decode_json $ret->{results} if $ret->{results}; + $ret } -1; +sub create_job { + my (%args) = @_; + $db->update('users', {lastjob => time}, {id => $args{owner}}); + purge '/log/'; + scalar $db->insert('jobs', \%args, {returning => 'id'})->list +} -__END__ +sub _calc_score { + my ($mxscore, $time, $tries, $totaltime) = @_; + my $score = $mxscore; + $time = 300 if $time > $totaltime; # uncoverable branch true does not happen anymore (only possible if opens are broken) + $score = ($totaltime - $time) / $totaltime * $score; + $score -= $tries / 10 * $mxscore; + $score = $mxscore * 3 / 10 if $score < $mxscore * 3 / 10; + int $score + 0.5 +} -=encoding utf-8 +sub standings { + my ($ct) = @_; + my @problems = sort { $a->{value} <=> $b->{value} } @{problem_list contest => $ct}; + my %values = map { $_->{id} => $_->{value} } @problems; + $ct = contest_entry $ct; -=head1 NAME + my (%scores, %tries, %opens); + my $opens = _query(opens_sth => $ct->{id}); + while ($opens->into(my ($problem, $owner, $time))) { + $opens{$problem, $owner} = $time; + } -Gruntmaster::Data - Gruntmaster 6000 Online Judge -- database interface and tools + my $jobs = $db->select('job_entry', '*', {contest => $ct->{id}}, 'id'); -=head1 SYNOPSIS + while (my $job = $jobs->hash) { + my $open = $opens{$job->{problem}, $job->{owner}} // $ct->{start}; + my $time = $job->{date} - $open; + next if $time < 0; # uncoverable branch true job sent before contest is deprecated + my $value = $values{$job->{problem}}; + my $factor = $job->{result} ? 0 : 1; + $factor = $1 / 100 if $job->{result_text} =~ /^(\d+ )/s; + $scores{$job->{owner}}{$job->{problem}} = int ($factor * _calc_score ($value, $time, $tries{$job->{owner}}{$job->{problem}}++, $ct->{stop} - $ct->{start})); + } - my $db = Gruntmaster::Data->connect('dbi:Pg:'); + my @st = sort { $b->{score} <=> $a->{score} or $a->{user} cmp $b->{user} } map { ## no critic (ProhibitReverseSortBlock) + my $user = $_; + +{ + user => $user, + user_name => _object_name(users => $user), + score => sum (values %{$scores{$user}}), + scores => [map { $scores{$user}{$_->{id}} // '-'} @problems], + } + } keys %scores; - my $problem = $db->problem('my_problem'); - $problem->update({timeout => 2.5}); # Set time limit to 2.5 seconds - $problem->rerun; # And rerun all jobs for this problem + $st[0]->{rank} = 1 if @st; + $st[$_]->{rank} = $st[$_ - 1]->{rank} + ($st[$_]->{score} < $st[$_ - 1]->{score}) for 1 .. $#st; - # ... + \@st +} - my $contest = $db->contests->create({ # Create a new contest - id => 'my_contest', - name => 'My Awesome Contest', - start => time + 100, - end => time + 1900, - }); - $db->contest_problems->create({ # Add a problem to the contest - contest => 'my_contest', - problem => 'my_problem', - }); +sub update_status { + my $jobs = $db->select('jobs', 'id,owner,problem,result', {-not_bool => 'private'}, 'id'); - say 'The contest has not started yet' if $contest->is_pending; + my %hash; + while ($jobs->into(my ($id, $owner, $problem, $result))) { + $hash{$problem, $owner} = [$id, $result ? 0 : 1]; + } - # ... + my @problem_statuses = map { [split ($;), @{$hash{$_}} ] } keys %hash; - my @jobs = $db->jobs->search({contest => 'my_contest', owner => 'MGV'})->all; - $_->rerun for @jobs; # Rerun all jobs sent by MGV in my_contest + my @contest_statuses = map { + my $ct = $_; + map { [$ct, $_->{user}, $_->{score}, $_->{rank}] } @{standings $ct} + } $db->select('contests', 'id')->flat; -=head1 DESCRIPTION + $db->begin; + $db->delete('problem_status'); + $db->query('INSERT INTO problem_status (problem,owner,job,solved) VALUES (??)', @$_) for @problem_statuses; + $db->delete('contest_status'); + $db->query('INSERT INTO contest_status (contest,owner,score,rank) VALUES (??)', @$_) for @contest_statuses; + $db->commit +} -Gruntmaster::Data is the interface to the Gruntmaster 6000 database. Read the L documentation for usage information. +sub rerun_job { + my ($id) = @_; + _query rerun_job_sth => $id; + purge '/log/'; + purge "/log/$id"; +} -In addition to the typical DBIx::Class::Schema methods, this module contains several convenience methods: +sub take_job { + my ($daemon) = @_; + my $id = _query(take_job_sth => $daemon)->list; + return unless $id; + purge '/log/'; + purge "/log/$id"; + db->select(jobs => '*', {id => $id})->hash +} -=over +sub finish_job { + my ($job, $private, %args) = @_; + db->update(jobs => \%args, {id => $job->{id}}); + purge '/log/'; + purge '/log/' . $job->{id}; + return if $private; + my $status = { + problem => $job->{problem}, + owner => $job->{owner}, + job => $job->{id}, + solved => ($args{result} ? 0 : 1), + }; + eval { + db->insert(problem_status => $status) + } or db->update(problem_status => $status, {owner => $job->{owner}, problem => $job->{problem}}); + purge '/us/' . $job->{owner}; +} -=item contests +sub open_problem { + my ($contest, $problem, $owner, $time) = @_; + my $ct = contest_entry($contest); + return unless $ct->{id} && $time >= $ct->{start} && $time < $ct->{stop}; ## no critic (ProhibitNegativeExpressionsInUnlessAndUntilConditions) + eval { db->insert(opens => { ## no critic (RequireCheckingReturnValueOfEval) + contest => $contest, + problem => $problem, + owner => $owner, + time => $time}) }; +} -Equivalent to C<< $schema->resultset('Contest') >> +my @PURGE_HOSTS = exists $ENV{PURGE_HOSTS} ? split ' ', $ENV{PURGE_HOSTS} : (); +my $ht = HTTP::Tiny->new; -=item contest_problems +sub purge { + $ht->request(PURGE => "http://$_$_[0]") for @PURGE_HOSTS; +} -Equivalent to C<< $schema->resultset('ContestProblem') >> +1; -=item jobs +__END__ -Equivalent to C<< $schema->resultset('Job') >> +=encoding utf-8 -=item problems +=head1 NAME -Equivalent to C<< $schema->resultset('Problem') >> +Gruntmaster::Data - Gruntmaster 6000 Online Judge -- database interface and tools -=item users +=head1 SYNOPSIS -Equivalent to C<< $schema->resultset('User') >> -=item contest($id) +=head1 DESCRIPTION + +Gruntmaster::Data is the interface to the Gruntmaster 6000 database. -Equivalent to C<< $schema->resultset('Contest')->find($id) >> +All functions are exported by default. -=item job($id) +=over -Equivalent to C<< $schema->resultset('Job')->find($id) >> +=item B(I<@args>) -=item problem($id) +This function connects to the database. I<@args> are the arguments +passed to the L constructor. -Equivalent to C<< $schema->resultset('Problem')->find($id) >> +=item B(I<$url_path>) -=item user($id) +Purges a relative URL from the Varnish Cache by sending PURGE +$url_path requests to all hosts in the PURGE_HOSTS environment +variable. -Equivalent to C<< $schema->resultset('User')->find($id) >> +=item B -=item user_list +Returns a L object for interacting with the database +directly. Use this when no other function in this module is suitable. -Returns a list of users as an arrayref containing hashrefs. +=item B -=item user_entry($id) +Returns an arrayref of the top 200 users. -Returns a hashref with information about the user $id. +=item B(I<$id>) -=item problem_list([%args]) +Returns a hashref describing the user I<$id>. -Returns a list of problems grouped by level. A hashref with levels as keys. +=item B([I<%args>]) -Takes the following arguments: +Returns an arrayref of problems. + +Takes the following named arguments: =over @@ -235,51 +355,47 @@ Only show problems owned by this user Only show problems in this contest -=back +=item private -=item problem_entry($id, [$contest, $user]) +If true, include private problems. Always true if contest is present. -Returns a hashref with information about the problem $id. If $contest and $user are present, problem open data is updated. +=item solution -=item contest_list([%args]) +If true, include problem solutions -Returns a list of contests grouped by state. A hashref with the following keys: - -=over - -=item pending - -An arrayref of hashrefs representing pending contests - -=item running +=back -An arrayref of hashrefs representing running contests +=item B(i<$id>, [I<$contest>]) -=item finished +Returns a hashref describing the problem I<$id>. If $contest is +present, contest start and stop times are included, and the solution +is deleted. -An arrayref of hashrefs representing finished contests +=item B -=back +Returns an arrayref of contests. -Takes the following arguments: +=item B(I<$id>) -=over +Returns a hashref describing the contest I<$id>. -=item owner +=item B(I<$contest>, I<$problem>) -Only show contests owned by this user. +Returns true if the contest I<$contest> includes the problem +I<$problem>, false otherwise. -=back +=item B([I<%args>]) -=item contest_entry($id) +In scalar context, returns an arrayref of jobs. In list context, +returns an arrayref of jobs and a hashref of information about pages. -Returns a hashref with information about the contest $id. +Takes the following named arguments: -=item job_list([%args]) +=over -Returns a list of jobs as an arrayref containing hashrefs. Takes the following arguments: +=item page -=over +Show this page of the job log. Defaults to 1. =item owner @@ -293,15 +409,55 @@ Only show jobs submitted in this contest. Only show jobs submitted for this problem. -=item page +=item result + +Only show jobs with this result (see the constants in +L). -Show this page of results. Defaults to 1. Pages have 10 entries, and the first page has the most recent jobs. +=item private + +If true, include private jobs. Defaults to false. =back -=item job_entry($id) +=item B(I<$id>) + +Returns a hashref describing the job I<$id>. + +=item B(I<%args>) + +Insert a new job into the database. This function also updates the +lastjob field for the job's owner. + +=item B(I<$ct>) + +Returns an arrayref of the standings of contest I<$ct>. + +=item B + +Rebuilds the problem_status and contest_status tables. + +=item B(I<$id>) + +Marks the job $id as pending and clears its results, so that it will +be run again by the daemon. + +=item B(I<$daemon>) + +Marks a random job as being run by I<$daemon>. Returns a hashref +describing the job, or undef if no job was available. + +=item B(I<$job>, I<$private>, I<%results>) + +Updates the job $job with the results in %results. If $private is +false, also updates the problem_status table. + +=item B(I<$contest>, I<$problem>, I<$owner>, I<$time>) -Returns a hashref with information about the job $id. +Notes that I<$owner> has opened the problem I<$problem> of contest +I<$contest> at time I<$time>. If the C table already contains +this (I<$contest>, I<$problem>, I<$owner>) triplet, this function does +nothing. =back @@ -311,10 +467,10 @@ Marius Gavrilescu Emarius@ieval.roE =head1 COPYRIGHT AND LICENSE -Copyright (C) 2014 by Marius Gavrilescu +Copyright (C) 2014-2015 by Marius Gavrilescu This library is free software; you can redistribute it and/or modify -it under the same terms as Perl itself, either Perl version 5.18.1 or, +it under the same terms as Perl itself, either Perl version 5.20.1 or, at your option, any later version of Perl 5 you may have available.