lib/Gruntmaster/Data.pm

   1 use utf8;
   2 package Gruntmaster::Data;
   3
   4 # Created by DBIx::Class::Schema::Loader
   5 # DO NOT MODIFY THE FIRST PART OF THIS FILE
   6
   7 use strict;
   8 use warnings;
   9
  10 use base 'DBIx::Class::Schema';
  11
  12 __PACKAGE__->load_namespaces;
  13
  14
  15 # Created by DBIx::Class::Schema::Loader v0.07039 @ 2014-03-05 13:11:39
  16 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:dAEmtAexvUaNXLgYz2rNEg
  17
  18 use parent qw/Exporter/;
  19 our $VERSION = '5999.000_013';
  20 our @EXPORT = qw/purge/; ## no critic (ProhibitAutomaticExportation)
  21
  22 use Lingua::EN::Inflect qw/PL_N/;
  23 use JSON::MaybeXS qw/decode_json/;
  24 use HTTP::Tiny;
  25 use PerlX::Maybe qw/maybe/;
  26 use Sub::Name qw/subname/;
  27
  28 use constant PROBLEM_PUBLIC_COLUMNS => [qw/id author writer level name owner private statement timeout olimit value/];
  29 use constant USER_PUBLIC_COLUMNS => [qw/id admin name town university level/];
  30 use constant JOBS_PER_PAGE => 10;
  31
  32 sub dynsub{
  33         our ($name, $sub) = @_;
  34         no strict 'refs'; ## no critic (Strict)
  35         *$name = subname $name => $sub
  36 }
  37
  38 BEGIN {
  39         for my $rs (qw/contest contest_problem job open problem user problem_status contest_status/) {
  40                 my $rsname = ucfirst $rs;
  41                 $rsname =~ s/_([a-z])/\u$1/gs;
  42                 dynsub PL_N($rs) => sub { $_[0]->resultset($rsname)              };
  43                 dynsub      $rs  => sub { $_[0]->resultset($rsname)->find($_[1]) };
  44         }
  45 }
  46
  47 sub user_list {
  48         my ($self) = @_;
  49         my $rs = $self->users->search(undef, {columns => USER_PUBLIC_COLUMNS} );
  50         my (%solved, %attempted, %contests);
  51
  52         for my $row ($self->problem_statuses->all) {
  53                 $solved   {$row->rawowner}++ if     $row->solved;
  54                 $attempted{$row->rawowner}++ unless $row->solved;
  55         }
  56         $contests{$_->rawowner}++ for $self->contest_statuses->all;
  57
  58         [ sort { $b->{solved} <=> $a->{solved} or $b->{attempted} <=> $a->{attempted} } map { ## no critic (ProhibitReverseSort)
  59                 my $id = $_->id;
  60                 +{ $_->get_columns,
  61                    solved => ($solved{$id} // 0),
  62                    attempted => ($attempted{$id} // 0),
  63                    contests => ($contests{$id} // 0) }
  64         } $rs->all ]
  65 }
  66
  67 sub user_entry {
  68         my ($self, $id) = @_;
  69         my $user = $self->users->find($id, {columns => USER_PUBLIC_COLUMNS, prefetch => [qw/problem_statuses contest_statuses/]});
  70         my @problems = map { {problem => $_->get_column('problem'), solved => $_->solved} } $user->problem_statuses->search(undef, {order_by => 'problem'});
  71         my @contests = map { {contest => $_->contest->id, contest_name => $_->contest->name, rank => $_->rank, score => $_->score} } $user->contest_statuses->search(undef, {prefetch => 'contest', order_by => 'contest.start DESC'});
  72         +{ $user->get_columns, problems => \@problems, contests => \@contests }
  73 }
  74
  75 sub problem_list {
  76         my ($self, %args) = @_;
  77         my $rs = $self->problems->search(undef, {order_by => 'me.name', columns => PROBLEM_PUBLIC_COLUMNS, prefetch => 'owner'});
  78         $rs = $rs->search({-or => ['contest_problems.contest' => undef, 'contest.stop' => {'<=', time}], 'me.private' => 0}, {join => {'contest_problems' => 'contest'}, distinct => 1}) unless $args{contest};
  79         $rs = $rs->search({'contest_problems.contest' => $args{contest}}, {join => 'contest_problems'}) if $args{contest};
  80         $rs = $rs->search({'me.owner' => $args{owner}}) if $args{owner};
  81         my %params;
  82         $params{contest} = $args{contest} if $args{contest};
  83         for ($rs->all) {
  84                 $params{$_->level} //= [];
  85                 push @{$params{$_->level}}, {$_->get_columns, owner_name => $_->owner->name} ;
  86         }
  87         \%params
  88 }
  89
  90 sub problem_entry {
  91         my ($self, $id, $contest, $user) = @_;
  92         my $running = $contest && $self->contest($contest)->is_running;
  93         my $columns = PROBLEM_PUBLIC_COLUMNS;
  94         push @$columns, 'solution' unless $running;
  95         my $pb = $self->problems->find($id, {columns => $columns, prefetch => 'owner'});
  96         eval { ## no critic (RequireCheckingReturnValueOfEval)
  97                 $self->opens->create({
  98                         contest => $contest,
  99                         problem => $id,
 100                         owner => $user,
 101                         time => time,
 102                 })
 103         } if $running;
 104         $contest &&= $self->contest($contest);
 105         +{ $pb->get_columns, owner_name => $pb->owner->name, cansubmit => $contest ? $running : 1, $running ? (contest_start => $contest->start, contest_stop => $contest->stop) : () }
 106 }
 107
 108 sub contest_list {
 109         my ($self, %args) = @_;
 110         my $rs = $self->contests->search(undef, {order_by => {-desc => 'start'}, prefetch => 'owner'});
 111         $rs = $rs->search({owner => $args{owner}}) if $args{owner};
 112         my %params;
 113         for ($rs->all) {
 114                 my $state = $_->is_pending ? 'pending' : $_->is_running ? 'running' : 'finished';
 115                 $params{$state} //= [];
 116                 push @{$params{$state}}, { $_->get_columns, started => !$_->is_pending, owner_name => $_->owner->name };
 117         }
 118         \%params
 119 }
 120
 121 sub contest_entry {
 122         my ($self, $id) = @_;
 123         my $ct = $self->contest($id);
 124         +{ $ct->get_columns, started => !$ct->is_pending, owner_name => $ct->owner->name }
 125 }
 126
 127 sub job_list {
 128         my ($self, %args) = @_;
 129         $args{page} //= 1;
 130         my $rs = $self->jobs->search({'me.private' => 0}, {order_by => {-desc => 'me.id'}, prefetch => ['problem', 'owner'], rows => JOBS_PER_PAGE, page => $args{page}});
 131         $rs = $rs->search({'me.owner' => $args{owner}})   if $args{owner};
 132         $rs = $rs->search({contest    => $args{contest}}) if $args{contest};
 133         $rs = $rs->search({problem    => $args{problem}}) if $args{problem};
 134         return {
 135                 log => [map {
 136                         my %params = $_->get_columns;
 137                         $params{owner_name}   = $_->owner->name;
 138                         $params{problem_name} = $_->problem->name;
 139                         $params{results} &&= decode_json $params{results};
 140                         $params{size}      = length $params{source};
 141                         delete $params{source};
 142                         \%params
 143                 } $rs->all],
 144                 current_page => $rs->pager->current_page,
 145                 maybe previous_page => $rs->pager->previous_page,
 146                 maybe next_page => $rs->pager->next_page,
 147                 maybe last_page => $rs->pager->last_page,
 148         }
 149 }
 150
 151 sub job_entry {
 152         my ($self, $id) = @_;
 153         my $job = $self->jobs->find($id, {prefetch => ['problem', 'owner', 'contest']});
 154         my %params = $job->get_columns;
 155         $params{owner_name}   = $job->owner->name;
 156         $params{problem_name} = $job->problem->name;
 157         $params{contest_name} = $job->contest->name if $params{contest};
 158         $params{results} &&= decode_json $params{results};
 159         $params{size}      = length $params{source};
 160         delete $params{source};
 161         \%params
 162 }
 163
 164 sub update_status {
 165         my ($self) = @_;
 166         my @jobs = $self->jobs->search(undef, {cache => 1})->all;
 167
 168         my %hash;
 169         $hash{$_->get_column('problem'), $_->get_column('owner')} = [$_->id, $_->result ? 0 : 1] for @jobs;
 170         my @problem_statuses = map { [split ($;), @{$hash{$_}} ] } keys %hash;
 171
 172         my @contest_statuses = map {
 173                 my $contest = $_->id;
 174                 map { [$contest, $_->{user}, $_->{score}, $_->{rank}] } $_->standings
 175         } $self->contests->all;
 176
 177         my $txn = sub {
 178                 $self->problem_statuses->delete;
 179                 $self->problem_statuses->populate([[qw/problem owner job solved/], @problem_statuses]);
 180                 $self->contest_statuses->delete;
 181                 $self->contest_statuses->populate([[qw/contest owner score rank/], @contest_statuses]);
 182         };
 183
 184         $self->txn_do($txn);
 185 }
 186
 187 my @PURGE_HOSTS = exists $ENV{PURGE_HOSTS} ? split ' ', $ENV{PURGE_HOSTS} : ();
 188 my $ht = HTTP::Tiny->new;
 189
 190 sub purge {
 191         $ht->request(PURGE => "http://$_$_[0]") for @PURGE_HOSTS;
 192 }
 193
 194 1;
 195
 196 __END__
 197
 198 =encoding utf-8
 199
 200 =head1 NAME
 201
 202 Gruntmaster::Data - Gruntmaster 6000 Online Judge -- database interface and tools
 203
 204 =head1 SYNOPSIS
 205
 206   my $db = Gruntmaster::Data->connect('dbi:Pg:');
 207
 208   my $problem = $db->problem('my_problem');
 209   $problem->update({timeout => 2.5}); # Set time limit to 2.5 seconds
 210   $problem->rerun; # And rerun all jobs for this problem
 211
 212   # ...
 213
 214   my $contest = $db->contests->create({ # Create a new contest
 215     id => 'my_contest',
 216     name => 'My Awesome Contest',
 217     start => time + 100,
 218     end => time + 1900,
 219   });
 220   $db->contest_problems->create({ # Add a problem to the contest
 221     contest => 'my_contest',
 222     problem => 'my_problem',
 223   });
 224
 225   say 'The contest has not started yet' if $contest->is_pending;
 226
 227   # ...
 228
 229   my @jobs = $db->jobs->search({contest => 'my_contest', owner => 'MGV'})->all;
 230   $_->rerun for @jobs; # Rerun all jobs sent by MGV in my_contest
 231
 232 =head1 DESCRIPTION
 233
 234 Gruntmaster::Data is the interface to the Gruntmaster 6000 database. Read the L<DBIx::Class> documentation for usage information.
 235
 236 In addition to the typical DBIx::Class::Schema methods, this module contains several convenience methods:
 237
 238 =over
 239
 240 =item contests
 241
 242 Equivalent to C<< $schema->resultset('Contest') >>
 243
 244 =item contest_problems
 245
 246 Equivalent to C<< $schema->resultset('ContestProblem') >>
 247
 248 =item jobs
 249
 250 Equivalent to C<< $schema->resultset('Job') >>
 251
 252 =item problems
 253
 254 Equivalent to C<< $schema->resultset('Problem') >>
 255
 256 =item users
 257
 258 Equivalent to C<< $schema->resultset('User') >>
 259
 260 =item contest($id)
 261
 262 Equivalent to C<< $schema->resultset('Contest')->find($id) >>
 263
 264 =item job($id)
 265
 266 Equivalent to C<< $schema->resultset('Job')->find($id) >>
 267
 268 =item problem($id)
 269
 270 Equivalent to C<< $schema->resultset('Problem')->find($id) >>
 271
 272 =item user($id)
 273
 274 Equivalent to C<< $schema->resultset('User')->find($id) >>
 275
 276 =item user_list
 277
 278 Returns a list of users as an arrayref containing hashrefs.
 279
 280 =item user_entry($id)
 281
 282 Returns a hashref with information about the user $id.
 283
 284 =item problem_list([%args])
 285
 286 Returns a list of problems grouped by level. A hashref with levels as keys.
 287
 288 Takes the following arguments:
 289
 290 =over
 291
 292 =item owner
 293
 294 Only show problems owned by this user
 295
 296 =item contest
 297
 298 Only show problems in this contest
 299
 300 =back
 301
 302 =item problem_entry($id, [$contest, $user])
 303
 304 Returns a hashref with information about the problem $id. If $contest and $user are present, problem open data is updated.
 305
 306 =item contest_list([%args])
 307
 308 Returns a list of contests grouped by state. A hashref with the following keys:
 309
 310 =over
 311
 312 =item pending
 313
 314 An arrayref of hashrefs representing pending contests
 315
 316 =item running
 317
 318 An arrayref of hashrefs representing running contests
 319
 320 =item finished
 321
 322 An arrayref of hashrefs representing finished contests
 323
 324 =back
 325
 326 Takes the following arguments:
 327
 328 =over
 329
 330 =item owner
 331
 332 Only show contests owned by this user.
 333
 334 =back
 335
 336 =item contest_entry($id)
 337
 338 Returns a hashref with information about the contest $id.
 339
 340 =item job_list([%args])
 341
 342 Returns a list of jobs as an arrayref containing hashrefs. Takes the following arguments:
 343
 344 =over
 345
 346 =item owner
 347
 348 Only show jobs submitted by this user.
 349
 350 =item contest
 351
 352 Only show jobs submitted in this contest.
 353
 354 =item problem
 355
 356 Only show jobs submitted for this problem.
 357
 358 =item page
 359
 360 Show this page of results. Defaults to 1. Pages have 10 entries, and the first page has the most recent jobs.
 361
 362 =back
 363
 364 =item job_entry($id)
 365
 366 Returns a hashref with information about the job $id.
 367
 368 =back
 369
 370 =head1 AUTHOR
 371
 372 Marius Gavrilescu E<lt>marius@ieval.roE<gt>
 373
 374 =head1 COPYRIGHT AND LICENSE
 375
 376 Copyright (C) 2014 by Marius Gavrilescu
 377
 378 This library is free software; you can redistribute it and/or modify
 379 it under the same terms as Perl itself, either Perl version 5.18.1 or,
 380 at your option, any later version of Perl 5 you may have available.
 381
 382
 383 =cut