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} || $args{private};
  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(undef, {order_by => {-desc => 'me.id'}, prefetch => ['problem', 'owner'], rows => JOBS_PER_PAGE, page => $args{page}});
 131         $rs = $rs->search({'me.private'=> 0})          unless $args{private};
 132         $rs = $rs->search({'me.owner'  => $args{owner}})   if $args{owner};
 133         $rs = $rs->search({contest     => $args{contest}}) if $args{contest};
 134         $rs = $rs->search({problem     => $args{problem}}) if $args{problem};
 135         return {
 136                 log => [map {
 137                         my %params = $_->get_columns;
 138                         $params{owner_name}   = $_->owner->name;
 139                         $params{problem_name} = $_->problem->name;
 140                         $params{results} &&= decode_json $params{results};
 141                         $params{size}      = length $params{source};
 142                         delete $params{source};
 143                         \%params
 144                 } $rs->all],
 145                 current_page => $rs->pager->current_page,
 146                 maybe previous_page => $rs->pager->previous_page,
 147                 maybe next_page => $rs->pager->next_page,
 148                 maybe last_page => $rs->pager->last_page,
 149         }
 150 }
 151
 152 sub job_entry {
 153         my ($self, $id) = @_;
 154         my $job = $self->jobs->find($id, {prefetch => ['problem', 'owner', 'contest']});
 155         my %params = $job->get_columns;
 156         $params{owner_name}   = $job->owner->name;
 157         $params{problem_name} = $job->problem->name;
 158         $params{contest_name} = $job->contest->name if $params{contest};
 159         $params{results} &&= decode_json $params{results};
 160         $params{size}      = length $params{source};
 161         delete $params{source};
 162         \%params
 163 }
 164
 165 sub update_status {
 166         my ($self) = @_;
 167         my @jobs = $self->jobs->search(undef, {cache => 1})->all;
 168
 169         my %hash;
 170         $hash{$_->get_column('problem'), $_->get_column('owner')} = [$_->id, $_->result ? 0 : 1] for @jobs;
 171         my @problem_statuses = map { [split ($;), @{$hash{$_}} ] } keys %hash;
 172
 173         my @contest_statuses = map {
 174                 my $contest = $_->id;
 175                 map { [$contest, $_->{user}, $_->{score}, $_->{rank}] } $_->standings
 176         } $self->contests->all;
 177
 178         my $txn = sub {
 179                 $self->problem_statuses->delete;
 180                 $self->problem_statuses->populate([[qw/problem owner job solved/], @problem_statuses]);
 181                 $self->contest_statuses->delete;
 182                 $self->contest_statuses->populate([[qw/contest owner score rank/], @contest_statuses]);
 183         };
 184
 185         $self->txn_do($txn);
 186 }
 187
 188 my @PURGE_HOSTS = exists $ENV{PURGE_HOSTS} ? split ' ', $ENV{PURGE_HOSTS} : ();
 189 my $ht = HTTP::Tiny->new;
 190
 191 sub purge {
 192         $ht->request(PURGE => "http://$_$_[0]") for @PURGE_HOSTS;
 193 }
 194
 195 1;
 196
 197 __END__
 198
 199 =encoding utf-8
 200
 201 =head1 NAME
 202
 203 Gruntmaster::Data - Gruntmaster 6000 Online Judge -- database interface and tools
 204
 205 =head1 SYNOPSIS
 206
 207   my $db = Gruntmaster::Data->connect('dbi:Pg:');
 208
 209   my $problem = $db->problem('my_problem');
 210   $problem->update({timeout => 2.5}); # Set time limit to 2.5 seconds
 211   $problem->rerun; # And rerun all jobs for this problem
 212
 213   # ...
 214
 215   my $contest = $db->contests->create({ # Create a new contest
 216     id => 'my_contest',
 217     name => 'My Awesome Contest',
 218     start => time + 100,
 219     end => time + 1900,
 220   });
 221   $db->contest_problems->create({ # Add a problem to the contest
 222     contest => 'my_contest',
 223     problem => 'my_problem',
 224   });
 225
 226   say 'The contest has not started yet' if $contest->is_pending;
 227
 228   # ...
 229
 230   my @jobs = $db->jobs->search({contest => 'my_contest', owner => 'MGV'})->all;
 231   $_->rerun for @jobs; # Rerun all jobs sent by MGV in my_contest
 232
 233 =head1 DESCRIPTION
 234
 235 Gruntmaster::Data is the interface to the Gruntmaster 6000 database. Read the L<DBIx::Class> documentation for usage information.
 236
 237 In addition to the typical DBIx::Class::Schema methods, this module contains several convenience methods:
 238
 239 =over
 240
 241 =item contests
 242
 243 Equivalent to C<< $schema->resultset('Contest') >>
 244
 245 =item contest_problems
 246
 247 Equivalent to C<< $schema->resultset('ContestProblem') >>
 248
 249 =item jobs
 250
 251 Equivalent to C<< $schema->resultset('Job') >>
 252
 253 =item problems
 254
 255 Equivalent to C<< $schema->resultset('Problem') >>
 256
 257 =item users
 258
 259 Equivalent to C<< $schema->resultset('User') >>
 260
 261 =item contest($id)
 262
 263 Equivalent to C<< $schema->resultset('Contest')->find($id) >>
 264
 265 =item job($id)
 266
 267 Equivalent to C<< $schema->resultset('Job')->find($id) >>
 268
 269 =item problem($id)
 270
 271 Equivalent to C<< $schema->resultset('Problem')->find($id) >>
 272
 273 =item user($id)
 274
 275 Equivalent to C<< $schema->resultset('User')->find($id) >>
 276
 277 =item user_list
 278
 279 Returns a list of users as an arrayref containing hashrefs.
 280
 281 =item user_entry($id)
 282
 283 Returns a hashref with information about the user $id.
 284
 285 =item problem_list([%args])
 286
 287 Returns a list of problems grouped by level. A hashref with levels as keys.
 288
 289 Takes the following arguments:
 290
 291 =over
 292
 293 =item owner
 294
 295 Only show problems owned by this user
 296
 297 =item contest
 298
 299 Only show problems in this contest
 300
 301 =back
 302
 303 =item problem_entry($id, [$contest, $user])
 304
 305 Returns a hashref with information about the problem $id. If $contest and $user are present, problem open data is updated.
 306
 307 =item contest_list([%args])
 308
 309 Returns a list of contests grouped by state. A hashref with the following keys:
 310
 311 =over
 312
 313 =item pending
 314
 315 An arrayref of hashrefs representing pending contests
 316
 317 =item running
 318
 319 An arrayref of hashrefs representing running contests
 320
 321 =item finished
 322
 323 An arrayref of hashrefs representing finished contests
 324
 325 =back
 326
 327 Takes the following arguments:
 328
 329 =over
 330
 331 =item owner
 332
 333 Only show contests owned by this user.
 334
 335 =back
 336
 337 =item contest_entry($id)
 338
 339 Returns a hashref with information about the contest $id.
 340
 341 =item job_list([%args])
 342
 343 Returns a list of jobs as an arrayref containing hashrefs. Takes the following arguments:
 344
 345 =over
 346
 347 =item owner
 348
 349 Only show jobs submitted by this user.
 350
 351 =item contest
 352
 353 Only show jobs submitted in this contest.
 354
 355 =item problem
 356
 357 Only show jobs submitted for this problem.
 358
 359 =item page
 360
 361 Show this page of results. Defaults to 1. Pages have 10 entries, and the first page has the most recent jobs.
 362
 363 =back
 364
 365 =item job_entry($id)
 366
 367 Returns a hashref with information about the job $id.
 368
 369 =back
 370
 371 =head1 AUTHOR
 372
 373 Marius Gavrilescu E<lt>marius@ieval.roE<gt>
 374
 375 =head1 COPYRIGHT AND LICENSE
 376
 377 Copyright (C) 2014 by Marius Gavrilescu
 378
 379 This library is free software; you can redistribute it and/or modify
 380 it under the same terms as Perl itself, either Perl version 5.18.1 or,
 381 at your option, any later version of Perl 5 you may have available.
 382
 383
 384 =cut