lib/Gruntmaster/Page/Generic.pm

   1 package Gruntmaster::Page::Generic;
   2
   3 use 5.014000;
   4 use strict;
   5 use warnings;
   6 our $VERSION = '5999.000_001';
   7
   8 use Gruntmaster::Page::Base;
   9 use JSON qw/encode_json decode_json/;
  10 use Plack::Request;
  11 use Sub::Name qw/subname/;
  12
  13 use constant PAGE_SIZE => 10;
  14
  15 sub putsym {
  16         my ($key, $value) = @_;
  17         no strict 'refs';
  18         subname $key => $value if ref $value eq 'CODE';
  19         *{"$key"} = $value;
  20 }
  21
  22 sub makepkg {
  23         my ($pkg, $id, $title) = @_;
  24         my $fn = $pkg =~ s,::,/,gr;
  25         return if $INC{"$fn.pm"};
  26         $INC{"$fn.pm"} = 1;
  27         Gruntmaster::Page::Base->import_to($pkg, $id, $title);
  28         1
  29 }
  30
  31 sub list {
  32         my ($thing, $lang, $env) = @_;
  33         my %thing = %$thing;
  34         #debug $env => "Contest is $ct";
  35         $thing{makers} //= sub { db(shift)->resultset($thing{rsname}) };
  36         my $rs = $thing{makers}->($env);
  37         $rs = $rs->search(undef, {order_by => 'me.id'}) unless $rs->is_ordered;
  38         if (my $page = $env->{'gruntmaster.page'}) {
  39                 my $pages = $rs->count / PAGE_SIZE;
  40                 $rs = $rs->search(undef, {offset => ($page - 1) * PAGE_SIZE, ($page == $pages ? () : (rows => PAGE_SIZE))});
  41         }
  42         $rs = $rs->search(undef, {prefetch => $thing{prefetch}}) if exists $thing{prefetch};
  43         my @thing = map +{rs => $_, $_->get_columns}, $rs->all;
  44         @thing = map  { $thing{mangle}->(); $_ } @thing if exists $thing{mangle};
  45         @thing = grep { $thing{choose}->() } @thing if exists $thing{choose};
  46         @thing = sort { $thing{sortby}->() } @thing if exists $thing{sortby};
  47         my %params;
  48         $thing{group} //= sub { $thing{id} };
  49         for (@thing) {
  50                 my $group = $thing{group}->();
  51                 $params{$group} //= [];
  52                 push $params{$group}, $_
  53         }
  54         wantarray ? %params : \%params
  55 }
  56
  57 sub entry {
  58         my ($thing, $lang, $env, $id) = @_;
  59         my %thing = %$thing;
  60         debug $env => "Rsname is $thing{rsname} and id is $id";
  61         $thing{makers} //= sub { db(shift)->resultset($thing{rsname}) };
  62         my %params = map {+ rs => $_, $_->get_columns } $thing{makers}->($env)->find($id);
  63         $thing{mangle}->(local $_ = \%params) if exists $thing{mangle};
  64         wantarray ? %params : \%params
  65 }
  66
  67 sub headers ($) { ['Content-Type' => 'application/json', 'Cache-Control' => 'max-age=' . $_[0]->max_age] }
  68
  69 sub create_thing {
  70         my %thing = @_;
  71         my $ucid = ucfirst $thing{id};
  72         my $pkg = "Gruntmaster::Page::$ucid";
  73
  74         putsym "${pkg}::_generate", sub { $_[1]->param(list \%thing, @_[2..$#_]) } if makepkg $pkg, @thing{qw/id title/};
  75         putsym "${pkg}::Entry::_generate",  sub { $_[1]->param(entry \%thing, @_[2..$#_]) } if makepkg "${pkg}::Entry", "$thing{id}_entry", '<tmpl_var name>';
  76         putsym "${pkg}::Read::generate", sub { [200, headers shift, [encode_json list \%thing, @_]] } if makepkg "${pkg}::Read";
  77         putsym "${pkg}::Entry::Read::generate", sub { [200, headers shift, [encode_json entry \%thing, @_]] } if makepkg "${pkg}::Entry::Read";
  78 }
  79
  80 sub params;
  81 sub makers (&);
  82 sub choose (&);
  83 sub sortby (&);
  84 sub group  (&);
  85 sub mangle (&);
  86 sub prefetch;
  87
  88 sub thing (&){
  89         my %thing;
  90         no strict 'refs';
  91         local *{"params"} = sub { @thing{qw/id rsname title/} = @_ };
  92         local *{"choose"} = sub { $thing{choose} = shift };
  93         local *{"sortby"} = sub { $thing{sortby} = shift };
  94         local *{"mangle"} = sub { $thing{mangle} = shift };
  95         local *{"group"} = sub { $thing{group} = shift };
  96         local *{"makers"} = sub { $thing{makers} = shift };
  97         local *{"prefetch"} = sub { $thing{prefetch} = \@_ };
  98         use strict 'refs';
  99
 100         shift->();
 101         create_thing %thing
 102 }
 103
 104 ##################################################
 105
 106 thing {
 107         params qw/us User Users/;
 108         choose { $_->{name} =~ /\w/ };
 109         sortby { lc $a->{name} cmp lc $b->{name} };
 110 };
 111
 112 thing {
 113         params qw/pb Problem Problems/;
 114         prefetch 'owner';
 115         makers {
 116                 my $env = $_[0];
 117                 my $db = db $env;
 118                 return $db->contest($env->{'gruntmaster.contest'})->problems->search(undef, {order_by => 'problem.id'}) if exists $env->{'gruntmaster.contest'};
 119                 return $db->problems->search({owner => $env->{'gruntmaster.user'}}) if exists $env->{'gruntmaster.user'};
 120                 $db->problems->search({private => 0});
 121         };
 122         sortby { $a->{name} cmp $b->{name}};
 123         group { $_->{level} };
 124         mangle {
 125                 my $env = shift;
 126                 $_->{owner_name} = $_->{rs}->owner->name;
 127                 $_->{cansubmit} = $_->{contest} ? time < $_->{rs}->contest->stop : 1;
 128                 eval {
 129                         db($env)->open->create({
 130                                 contest => $_->{contest},
 131                                 problem => $_->{id},
 132                                 owner   => $env->{REMOTE_USER},
 133                         })
 134                 } if $_->{contest} && time >= $_->{rs}->contest->start;
 135         };
 136 };
 137
 138 thing {
 139         params qw/ct Contest Contests/;
 140         prefetch 'owner';
 141         sortby { $b->{start} <=> $a->{start} };
 142         group { time < $_->{start} ? 'pending' : time > $_->{stop} ? 'finished' : 'running' };
 143         mangle { $_->{started} = time >= $_->{start}; $_->{owner_name} =  $_->{rs}->owner->name };
 144 };
 145
 146 thing {
 147         params qw/log Job/, 'Job log';
 148         prefetch 'owner', 'problem';
 149         makers {
 150                 my $env = $_[0];
 151                 my $db = db $env;
 152                 return $db->jobs->search({'me.owner' => $env->{'gruntmaster.user'}}) if exists $env->{'gruntmaster.user'};
 153                 return $db->jobs->search({problem => $env->{'gruntmaster.problem'}}) if exists $env->{'gruntmaster.problem'};
 154                 $db->jobs->search({contest => $env->{'gruntmaster.contest'}})
 155         };
 156         sortby { $b->{id} <=> $a->{id}};
 157         mangle {
 158                 $_->{results} &&= decode_json $_->{results};
 159                 $_->{owner_name} = $_->{rs}->owner->name;
 160                 $_->{problem_name} = $_->{rs}->problem->name;
 161                 $_->{size} = length $_->{source};
 162                 delete $_->{source};
 163         }
 164 };
 165
 166 putsym 'Gruntmaster::Page::Pb::Entry::vary',    sub { 'Authorization' };
 167 putsym 'Gruntmaster::Page::Pb::Entry::max_age', sub { 600 };
 168
 169 1