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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 our $VERSION = '5999.000_009';
19
20 use Lingua::EN::Inflect qw/PL_N/;
21 use JSON qw/decode_json/;
22 use List::Util qw/sum/;
23 use PerlX::Maybe qw/maybe/;
24 use Sub::Name qw/subname/;
25
26 use constant PROBLEM_PUBLIC_COLUMNS => [qw/id author writer level name owner private statement timeout olimit value/];
27 use constant USER_PUBLIC_COLUMNS => [qw/id admin name town university level/];
28 use constant JOBS_PER_PAGE => 10;
29
30 sub dynsub{
31 our ($name, $sub) = @_;
32 no strict 'refs';
33 *$name = subname $name => $sub
34 }
35
36 BEGIN {
37 for my $rs (qw/contest contest_problem job open problem user/) {
38 my $rsname = ucfirst $rs;
39 $rsname =~ s/_([a-z])/\u$1/g;
40 dynsub PL_N($rs) => sub { $_[0]->resultset($rsname) };
41 dynsub $rs => sub { $_[0]->resultset($rsname)->find($_[1]) };
42 }
43 }
44
45 use constant LEVEL_VALUES => {
46 beginner => 100,
47 easy => 250,
48 medium => 500,
49 hard => 1000,
50 };
51
52 sub calc_score{
53 my ($mxscore, $time, $tries, $totaltime) = @_;
54 my $score = $mxscore;
55 $time = 0 if $time < 0;
56 $time = 300 if $time > $totaltime;
57 $score = ($totaltime - $time) / $totaltime * $score;
58 $score -= $tries / 10 * $mxscore;
59 $score = $mxscore * 3 / 10 if $score < $mxscore * 3 / 10;
60 int $score + 0.5
61 }
62
63 sub standings {
64 my ($self, $ct) = @_;
65 $ct &&= $self->contest($ct);
66
67 my @problems = map { $_->problem } $self->contest_problems->search({contest => $ct && $ct->id}, {qw/join problem order_by problem.level/});
68 my (%scores, %tries);
69 for my $job ($self->jobs->search({contest => $ct && $ct->id}, {order_by => 'id'})) {
70 if ($ct) {
71 my $open = $self->opens->find($ct->id, $job->problem->id, $job->owner->id);
72 my $time = $job->date - ($open ? $open->time : $ct->start);
73 next if $time < 0;
74 my $value = $job->problem->value // LEVEL_VALUES->{$job->problem->level};
75 my $factor = $job->result ? 0 : 1;
76 $factor = $1 / 100 if $job->result_text =~ /^(\d+ )/;
77 $scores{$job->owner->id}{$job->problem->id} = int ($factor * calc_score ($value, $time, $tries{$job->owner->id}{$job->problem->id}++, $ct->stop - $ct->start));
78 } else {
79 no warnings 'numeric';
80 $scores{$job->owner->id}{$job->problem->id} = 0 + $job->result_text || ($job->result ? 0 : 100)
81 }
82 }
83
84 my @st = sort { $b->{score} <=> $a->{score} or $a->{user}->id cmp $b->{user}->id} map {
85 my $user = $_;
86 +{
87 user => $self->user($user),
88 score => sum (values %{$scores{$user}}),
89 scores => [map { $scores{$user}{$_->id} // '-'} @problems],
90 problems => $ct,
91 }
92 } keys %scores;
93
94 $st[0]->{rank} = 1;
95 $st[$_]->{rank} = $st[$_ - 1]->{rank} + ($st[$_]->{score} < $st[$_ - 1]->{score}) for 1 .. $#st;
96 @st
97 }
98
99 sub user_list {
100 my $rs = $_[0]->users->search(undef, {order_by => 'name', columns => USER_PUBLIC_COLUMNS});
101 [ map +{ $_->get_columns }, $rs->all ]
102 }
103
104 sub user_entry {
105 my ($self, $id) = @_;
106 +{ $self->users->find($id, {columns => USER_PUBLIC_COLUMNS})->get_columns }
107 }
108
109 sub problem_list {
110 my ($self, %args) = @_;
111 my $rs = $self->problems->search(undef, {order_by => 'me.name', columns => PROBLEM_PUBLIC_COLUMNS, prefetch => 'owner'});
112 $rs = $rs->search({-or => ['contest_problems.contest' => undef, 'contest.stop' => {'<=', time}], 'me.private' => 0}, {join => {'contest_problems' => 'contest'}, distinct => 1}) unless $args{contest};
113 $rs = $rs->search({'contest_problems.contest' => $args{contest}}, {join => 'contest_problems'}) if $args{contest};
114 $rs = $rs->search({'me.owner' => $args{owner}}) if $args{owner};
115 my %params;
116 $params{contest} = $args{contest} if $args{contest};
117 for ($rs->all) {
118 $params{$_->level} //= [];
119 push @{$params{$_->level}}, {$_->get_columns, owner_name => $_->owner->name} ;
120 }
121 \%params
122 }
123
124 sub problem_entry {
125 my ($self, $id, $contest, $user) = @_;
126 my $pb = $self->problems->find($id, {columns => PROBLEM_PUBLIC_COLUMNS, prefetch => 'owner'});
127 my $running = $contest && $self->contest($contest)->is_running;
128 eval {
129 $self->opens->create({
130 contest => $contest,
131 problem => $id,
132 owner => $user,
133 time => time,
134 })
135 } if $running;
136 +{ $pb->get_columns, owner_name => $pb->owner->name, cansubmit => $contest ? $running : 1 }
137 }
138
139 sub contest_list {
140 my ($self, %args) = @_;
141 my $rs = $self->contests->search(undef, {order_by => {-desc => 'start'}, prefetch => 'owner'});
142 $rs = $rs->search({owner => $args{owner}}) if $args{owner};
143 my %params;
144 for ($rs->all) {
145 my $state = $_->is_pending ? 'pending' : $_->is_running ? 'running' : 'finished';
146 $params{$state} //= [];
147 push @{$params{$state}}, { $_->get_columns, started => !$_->is_pending, owner_name => $_->owner->name };
148 }
149 \%params
150 }
151
152 sub contest_entry {
153 my ($self, $id) = @_;
154 my $ct = $self->contest($id);
155 +{ $ct->get_columns, started => !$ct->is_pending, owner_name => $ct->owner->name }
156 }
157
158 sub job_list {
159 my ($self, %args) = @_;
160 $args{page} //= 1;
161 my $rs = $self->jobs->search(undef, {order_by => {-desc => 'me.id'}, prefetch => ['problem', 'owner'], rows => JOBS_PER_PAGE, page => $args{page}});
162 $rs = $rs->search({'me.owner' => $args{owner}}) if $args{owner};
163 $rs = $rs->search({contest => $args{contest}}) if $args{contest};
164 $rs = $rs->search({problem => $args{problem}}) if $args{problem};
165 return {
166 log => [map {
167 my %params = $_->get_columns;
168 $params{owner_name} = $_->owner->name;
169 $params{problem_name} = $_->problem->name;
170 $params{results} &&= decode_json $params{results};
171 $params{size} = length $params{source};
172 delete $params{source};
173 \%params
174 } $rs->all],
175 current_page => $rs->pager->current_page,
176 maybe previous_page => $rs->pager->previous_page,
177 maybe next_page => $rs->pager->next_page,
178 maybe last_page => $rs->pager->last_page,
179 }
180 }
181
182 sub job_entry {
183 my ($self, $id) = @_;
184 my $job = $self->jobs->find($id, {prefetch => ['problem', 'owner']});
185 my %params = $job->get_columns;
186 $params{owner_name} = $job->owner->name;
187 $params{problem_name} = $job->problem->name;
188 $params{results} &&= decode_json $params{results};
189 $params{size} = length $params{source};
190 delete $params{source};
191 \%params
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
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