INSERT INTO column_comments VALUES ('jobs', 'results', 'Per-test results (JSON array of hashes with keys id (test number, counting from 1), result (integer constant from Gruntmaster::Daemon::Constants), result_text (human-readable text), time (execution time in decimal seconds))');
INSERT INTO column_comments VALUES ('problem_status', 'solved', 'True if the result is Accepted, False otherwise');
+
+CREATE OR REPLACE VIEW user_data AS (SELECT
+ id,admin,name,town,university,country,level,lastjob
+ FROM users
+);
+
+CREATE OR REPLACE VIEW user_solved_problems AS (SELECT
+ us.id,
+ COALESCE(array_agg(ps.problem) FILTER (WHERE ps.problem IS NOT NULL), ARRAY[]::text[]) AS solved
+ FROM users us
+ LEFT JOIN (SELECT * FROM problem_status WHERE solved = TRUE) ps ON ps.owner=id
+ GROUP BY us.id);
+
+CREATE OR REPLACE VIEW user_attempted_problems AS (SELECT
+ us.id,
+ COALESCE(array_agg(ps.problem) FILTER (WHERE ps.problem IS NOT NULL), ARRAY[]::text[]) AS attempted
+ FROM users us
+ LEFT JOIN (SELECT * FROM problem_status WHERE solved = FALSE) ps ON ps.owner=id
+ GROUP BY us.id);
+
+CREATE OR REPLACE VIEW user_contests AS (SELECT
+ us.id,
+ COALESCE(array_agg(cs.contest) FILTER (WHERE cs.contest IS NOT NULL), ARRAY[]::text[]) AS contests
+ FROM users us
+ LEFT JOIN contest_status cs ON cs.owner=id
+ GROUP BY us.id);
+
+CREATE OR REPLACE VIEW user_list AS (SELECT
+ dt.*,
+ COALESCE(array_length(solved, 1), 0) AS solved,
+ COALESCE(array_length(attempted, 1), 0) AS attempted,
+ COALESCE(array_length(contests, 1), 0) AS contests
+ FROM user_data dt
+ JOIN user_contests ct USING (id)
+ JOIN user_solved_problems sp USING (id)
+ JOIN user_attempted_problems ap USING (id)
+ ORDER BY solved DESC, attempted DESC, id);
+
+CREATE OR REPLACE VIEW contest_entry AS (SELECT
+ id,name,description,editorial,start,stop,owner,
+ (EXTRACT(epoch from NOW()) >= start) AS started,
+ (EXTRACT(epoch from NOW()) >= stop) AS finished
+ FROM contests
+ ORDER BY start DESC);
+
+CREATE OR REPLACE VIEW job_entry AS (SELECT
+ id,contest,date,errors,extension,format,private,problem,result,result_text,results,owner,
+ LENGTH(source) AS size
+ FROM jobs
+ ORDER BY id DESC);
+
+-- CREATE OR REPLACE FUCNTION source_private(jobid INT) RETURNS BOOLEAN AS $$
+-- BEGIN
+-- private BOOLEAN;
+-- problem TEXT;
+-- contest TEXT;
+
+-- SELECT private, problem, contest INTO STRICT private, problem, contest FROM jobs WHERE id = jobid;
+-- IF private THEN
+-- RETURN TRUE;
+-- END IF
+
+-- IF
+-- END;
+-- $$
use HTTP::Tiny;
use PerlX::Maybe qw/maybe/;
use Sub::Name qw/subname/;
+use Class::Method::Modifiers qw/around/;
+
+use DBI;
+use DBIx::Simple;
+use List::Util qw/sum/;
+use SQL::Abstract;
use constant CONTEST_PUBLIC_COLUMNS => [qw/id name description start stop owner/];
use constant PROBLEM_PUBLIC_COLUMNS => [qw/id author writer level name owner private timeout olimit value/];
}
}
-sub user_list {
+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 = ?',
+
+ contest_list_sth => 'SELECT * FROM contest_entry',
+ contest_entry_sth => 'SELECT * FROM contest_entry WHERE id = ?',
+ contest_full_sth => 'SELECT * FROM contests WHERE id = ?',
+ contest_problems_sth => 'SELECT problem FROM contest_problems JOIN problems pb ON problem=pb.id WHERE contest = ? ORDER BY pb.value',
+ 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 = ?',
+
+ problem_entry_sth => 'SELECT ' . (join ',', @{PROBLEM_PUBLIC_COLUMNS()}, 'statement', 'solution') . ' FROM problems WHERE id = ?',
+ limits_sth => 'SELECT format,timeout FROM limits WHERE problem = ?',
+ problem_values_sth => 'SELECT id,value FROM problems',
+
+ job_entry_sth => 'SELECT * FROM job_entry WHERE id = ?',
+ job_full_sth => 'SELECT * FROM jobs WHERE id = ?',
+);
+
+around connect => sub {
+ my $orig = shift;
+ my $self = $orig->(@_);
+ $self->{dbh} = DBI->connect($_[1]);
+ $self->{dbis} = DBIx::Simple->new($self->{dbh});
+ $self->{dbis}->keep_statements = 100;
+ $self
+};
+
+sub purge;
+
+sub query {
+ my ($self, $stat, @extra) = @_;
+ $self->{dbis}->query($statements{$stat} // $stat, @extra)
+}
+
+my (%name_cache, %name_cache_time);
+use constant NAME_CACHE_MAX_AGE => 5;
+
+sub object_name {
+ my ($self, $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} = $self->{dbis}->select($table, 'id,name')->map;
+ }
+
+ $name_cache{$table}{$id}
+}
+
+
+sub add_names {
+ my ($self, $el) = @_;
+ if (ref $el eq 'ARRAY') {
+ $self->add_names($_) for @$el
+ } else {
+ for my $object (qw/contest owner problem/) {
+ my $table = $object eq 'owner' ? 'users' : "${object}s";
+ $el->{"${object}_name"} = $self->object_name($table, $el->{$object}) if defined $el->{$object}
+ }
+ }
+
+ $el
+}
+
+sub user_list_orig {
my ($self) = @_;
my $rs = $self->users->search(undef, {columns => USER_PUBLIC_COLUMNS} );
my (%solved, %attempted, %contests);
\@users
}
-sub user_entry {
+sub user_entry_orig {
my ($self, $id) = @_;
my $user = $self->users->find($id, {columns => USER_PUBLIC_COLUMNS, prefetch => [qw/problem_statuses contest_statuses/]});
my @problems = map { {problem => $_->get_column('problem'), solved => $_->solved} } $user->problem_statuses->search(undef, {order_by => 'problem'});
+{ $user->get_columns, problems => \@problems, contests => \@contests }
}
-sub problem_list {
+sub user_list {
+ my ($self) = @_;
+ scalar $self->query('user_list_sth')->hashes
+}
+
+sub user_entry {
+ my ($self, $id) = @_;
+ my $ret = $self->query('user_entry_sth', $id)->hash;
+ $ret->{problems} = $self->query('problem_status_sth', $id)->hashes;
+ $ret->{contests} = $self->query('contest_status_sth', $id)->hashes;
+
+ $self->add_names($ret->{problems});
+ $self->add_names($ret->{contests});
+ $ret;
+}
+
+sub problem_list_orig {
my ($self, %args) = @_;
my @columns = @{PROBLEM_PUBLIC_COLUMNS()};
push @columns, 'solution' if $args{solution} && $args{contest} && !$self->contest($args{contest})->is_running;
\%params
}
-sub problem_entry {
+sub problem_list {
+ my ($self, %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';
+ my $ret = $self->{dbis}->select(\$table, \@columns, \%where, 'name')->hashes;
+ $self->add_names($ret);
+
+ my %params;
+ for (@$ret) {
+ $params{$_->{level}} //= [];
+ push @{$params{$_->{level}}}, $_
+ }
+ \%params
+}
+
+sub problem_entry_orig {
my ($self, $id, $contest, $user) = @_;
my $running = $contest && $self->contest($contest)->is_running;
my @columns = @{PROBLEM_PUBLIC_COLUMNS()};
}
}
-sub contest_list {
+sub problem_entry {
+ my ($self, $id, $contest, $user) = @_;
+ $contest &&= $self->contest_entry($contest);
+ my $ret = $self->query(problem_entry_sth => $id)->hash;
+ $self->add_names($ret);
+ my $limits = $self->query(limits_sth => $id)->hashes;
+ $ret->{limits} = $limits if @$limits;
+
+ if ($contest) {
+ $ret->{contest_start} = $contest->{start};
+ $ret->{contest_stop} = $contest->{stop};
+ }
+
+ $ret
+}
+
+sub contest_list_orig {
my ($self, %args) = @_;
my $rs = $self->contests->search(undef, {columns => CONTEST_PUBLIC_COLUMNS, order_by => {-desc => 'start'}, prefetch => 'owner'});
$rs = $rs->search({owner => $args{owner}}) if $args{owner};
\%params
}
-sub contest_entry {
+sub contest_entry_orig {
my ($self, $id) = @_;
my $ct = $self->contests->find($id,{columns => CONTEST_PUBLIC_COLUMNS});
+{ $ct->get_columns, started => !$ct->is_pending, finished => $ct->is_finished, owner_name => $ct->owner->name }
}
-sub job_list {
+sub contest_list {
+ my ($self) = @_;
+ my $ret = $self->query('contest_list_sth')->hashes;
+ $self->add_names($ret);
+
+ my %ret;
+ for (@$ret) {
+ my $state = $_->{finished} ? 'finished' : $_->{started} ? 'running' : 'pending';
+ $ret{$state} //= [];
+ push @{$ret{$state}}, $_;
+ }
+
+ \%ret
+}
+
+sub contest_entry {
+ my ($self, $id) = @_;
+ my $ret = $self->query(contest_entry_sth => $id)->hash;
+ $self->add_names($ret);
+}
+
+sub contest_full {
+ my ($self, $id) = @_;
+ scalar $self->query(contest_full_sth => $id)->hash;
+}
+
+sub contest_has_problem {
+ my ($self, $contest, $problem) = @_;
+ $self->query('contest_has_problem_sth')->flat
+}
+
+sub job_list_orig {
my ($self, %args) = @_;
$args{page} //= 1;
my $rs = $self->jobs->search(undef, {order_by => {-desc => 'me.id'}, prefetch => ['problem', 'owner', 'contest'], rows => JOBS_PER_PAGE, page => $args{page}});
}
}
-sub job_entry {
+sub job_entry_orig {
my ($self, $id) = @_;
my $job = $self->jobs->find($id, {prefetch => ['problem', 'owner', 'contest']});
my %params = $job->get_columns;
\%params
}
-sub update_status {
+sub job_list {
+ my ($self, %args) = @_;
+ $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 = $self->{dbis}->select('job_entry', 'COUNT(*)', \%where)->list;
+ my $pages = int (($rows + JOBS_PER_PAGE - 1) / JOBS_PER_PAGE);
+ my ($stmt, @bind) = $self->{dbis}->abstract->select('job_entry', '*', \%where, {-desc => 'id'});
+ my $jobs = $self->{dbis}->query("$stmt LIMIT " . JOBS_PER_PAGE . ' OFFSET ' . ($args{page} - 1) * JOBS_PER_PAGE, @bind)->hashes;
+ my %ret = (
+ log => $jobs,
+ current_page => $args{page},
+ last_page => $pages,
+ );
+ $self->add_names($ret{log});
+ $ret{previous_page} = $args{page} - 1 if $args{page} - 1;
+ $ret{next_page} = $args{page} + 1 if $args{page} < $pages;
+
+ \%ret;
+}
+
+sub job_entry {
+ my ($self, $id) = @_;
+ my $ret = $self->query(job_entry_sth => $id)->hash;
+ $ret->{results} &&= decode_json $ret->{results};
+ $self->add_names($ret);
+}
+
+sub job_full {
+ my ($self, $id) = @_;
+ scalar $self->query(job_full_sth => $id)->hash
+}
+
+sub create_job {
+ my ($self, %args) = @_;
+ $self->{dbis}->update('users', {lastjob => time});
+ purge '/log/';
+ scalar $self->{dbis}->insert('jobs', \%args, {returning => 'id'})->list
+}
+
+sub calc_score {
+ my ($mxscore, $time, $tries, $totaltime) = @_;
+ my $score = $mxscore;
+ $time = 0 if $time < 0;
+ $time = 300 if $time > $totaltime;
+ $score = ($totaltime - $time) / $totaltime * $score;
+ $score -= $tries / 10 * $mxscore;
+ $score = $mxscore * 3 / 10 if $score < $mxscore * 3 / 10;
+ int $score + 0.5
+}
+
+sub standings {
+ my ($self, $ct) = @_;
+ $ct = $self->contest_entry($ct);
+
+ my @problems = $self->query(contest_problems_sth => $ct->{id})->flat;
+ my $pblist = $self->problem_list;
+ my %values = $self->query('problem_values_sth')->map;
+# $values{$_} = $values{$_}->{value} for keys %values;
+
+ my (%scores, %tries, %opens);
+ my $opens = $self->query(opens_sth => $ct->{id});
+ while ($opens->into(my ($problem, $owner, $time))) {
+ $opens{$problem, $owner} = $time;
+ }
+
+ my $jobs = $self->{dbis}->select('job_entry', '*', {contest => $ct->{id}}, 'id');
+
+ while (my $job = $jobs->hash) {
+ my $open = $opens{$job->{problem}, $job->{owner}} // $ct->{start};
+ my $time = $job->{date} - $open;
+ next if $time < 0;
+ 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 @st = sort { $b->{score} <=> $a->{score} or $a->{user} cmp $b->{user} } map { ## no critic (ProhibitReverseSortBlock)
+ my $user = $_;
+ +{
+ user => $user,
+ user_name => $self->object_name(users => $user),
+ score => sum (values %{$scores{$user}}),
+ scores => [map { $scores{$user}{$_} // '-'} @problems],
+ }
+ } keys %scores;
+
+ $st[0]->{rank} = 1 if @st;
+ $st[$_]->{rank} = $st[$_ - 1]->{rank} + ($st[$_]->{score} < $st[$_ - 1]->{score}) for 1 .. $#st;
+ +{
+ st => \@st,
+ problems => [map { [ $_, $self->object_name(problems => $_)] } @problems],
+ }
+}
+
+sub update_status_orig {
my ($self) = @_;
my @jobs = $self->jobs->search({'me.private' => 0}, {cache => 1, prefetch => 'problem', order_by => 'me.id'})->all;
$self->txn_do($txn);
}
+sub update_status {
+ my ($self) = @_;
+ my $jobs = $self->{dbis}->select('jobs', 'id,owner,problem,result', {}, 'id');
+
+ my %hash;
+ while ($jobs->into(my ($id, $owner, $problem, $result))) {
+ $hash{$problem, $owner} = [$id, $result ? 0 : 1];
+ }
+
+ my @problem_statuses = map { [split ($;), @{$hash{$_}} ] } keys %hash;
+
+ my @contest_statuses = map {
+ my $ct = $_;
+ map { [$ct, $_->{user}, $_->{score}, $_->{rank}] } @{$self->standings($ct)->{st}}
+ } $self->{dbis}->select('contests', 'id')->flat;
+
+ $self->{dbis}->begin;
+ $self->{dbis}->delete('problem_status');
+ $self->{dbis}->query('INSERT INTO problem_status (problem,owner,job,solved) VALUES (??)', @$_) for @problem_statuses;
+ $self->{dbis}->delete('contest_status');
+ $self->{dbis}->query('INSERT INTO contest_status (contest,owner,score,rank) VALUES (??)', @$_) for @contest_statuses;
+ $self->{dbis}->commit
+}
+
my @PURGE_HOSTS = exists $ENV{PURGE_HOSTS} ? split ' ', $ENV{PURGE_HOSTS} : ();
my $ht = HTTP::Tiny->new;