lib/Plack/App/Gruntmaster/HTML.pm

   1 package Plack::App::Gruntmaster::HTML;
   2 use v5.14;
   3 use parent qw/Exporter/;
   4 our @EXPORT = qw/render render_article/;
   5
   6 use File::Slurp qw/read_file/;
   7 use HTML::Seamstress;
   8 use POSIX qw//;
   9 use Data::Dumper qw/Dumper/;
  10
  11 sub ftime ($)   { POSIX::strftime '%c', localtime shift }
  12 sub literal ($) { HTML::Element::Library::super_literal shift // '' }
  13
  14 sub HTML::Element::edit_href {
  15         my ($self, $sub) = @_;
  16         local $_ = $self->attr('href');
  17         $sub->();
  18         $self->attr(href => $_);
  19 }
  20
  21 sub HTML::Element::iter3 {
  22         my ($self, $data, $code) = @_;
  23         my $orig = $self;
  24         my $prev = $orig;
  25         for my $el (@$data) {
  26                 my $current = $orig->clone;
  27                 $code->($el, $current);
  28                 $prev->postinsert($current);
  29                 $prev = $current;
  30         }
  31         $orig->detach;
  32 }
  33
  34 sub HTML::Element::fid    { shift->look_down(id    => shift) }
  35 sub HTML::Element::fclass { shift->look_down(class => qr/\b$_[0]\b/) }
  36
  37 sub HTML::Element::namedlink {
  38         my ($self, $id, $name) = @_;
  39         $name = $id unless $name =~ /[[:graph:]]/;
  40         $self = $self->find('a');
  41         $self->edit_href(sub {s/id/$id/});
  42         $self->replace_content($name);
  43 }
  44
  45 sub render {
  46         my ($tmpl, $lang, %args) = @_;
  47         $lang //= 'en';
  48         my $meat = _render($tmpl, $lang, %args);
  49         _render('skel', $lang, %args, meat => $meat)
  50 }
  51
  52 sub render_article {
  53         my ($art, $lang, %args) = @_;
  54         $lang //= 'en';
  55         my $title = read_file "a/$art.$lang.title";
  56         my $meat  = read_file "a/$art.$lang";
  57         _render('skel', $lang, title => $title , meat => $meat, %args)
  58 }
  59
  60 sub _render {
  61         my ($tmpl, $lang, %args) = @_;
  62         my $builder = HTML::Seamstress->new;
  63         $builder->ignore_unknown(0);
  64         my $tree = $builder->parse_file("tmpl/$tmpl.$lang");
  65         $tree = $tree->guts unless $tmpl eq 'skel';
  66         $tree->defmap(smap => \%args);
  67         my $process = __PACKAGE__->can("process_$tmpl");
  68         $process->($tree, %args) if $process;
  69         $_->detach for $tree->look_down(static => $args{static} ? 'no' : 'yes');
  70         $_->attr('static', undef) for $tree->look_down(sub {$_[0]->attr('static')});
  71         $_->attr('smap', undef) for $tree->look_down(sub {$_[0]->attr('defmap')});
  72         $tree->as_HTML;
  73 }
  74
  75 sub process_skel {
  76         my ($tree, %args) = @_;
  77         $tree->content_handler(
  78                 title   =>         $args{title},
  79                 content => literal $args{meat});
  80 }
  81
  82 sub process_us_entry {
  83         my ($tree, %args) = @_;
  84         $tree->fid($_)->attr('href', "/$_/?owner=$args{id}") for qw/log pb/;
  85         $tree->fid('track_user')->attr('data-user', $args{id});
  86         my @solved = map { $_->{solved} ? ($_->{problem}) : () } @{$args{problems}};
  87         my @attempted = map { !$_->{solved} ? ($_->{problem}) : () } @{$args{problems}};
  88
  89         my $pbiter = sub {
  90                 my ($data, $li) = @_;
  91                 $li->find('a')->namedlink($data);
  92         };
  93         $tree->fid('solved')->find('li')->iter3(\@solved, $pbiter);
  94         $tree->fid('attempted')->find('li')->iter3(\@attempted, $pbiter);
  95         $tree->fid('solved_count')->replace_content(scalar @solved);
  96         $tree->fid('attempted_count')->replace_content(scalar @attempted);
  97
  98         my $ctiter = sub {
  99                 my ($data, $td) = @_;
 100                 $td->fclass('contest')->namedlink($data->{contest}, $data->{contest_name});
 101                 $td->fclass('score')->replace_content($data->{score});
 102                 $td->fclass('rank')->replace_content($data->{rank});
 103         };
 104         $tree->find('table')->find('tbody')->find('tr')->iter3($args{contests}, $ctiter);
 105 }
 106
 107 sub process_us {
 108         my ($tree, %args) = @_;
 109         my $iter = sub {
 110                 my ($data, $tr) = @_;
 111                 $tr->fclass('user')->namedlink($data->{id}, $data->{name});
 112                 $tr->fclass($_)->replace_content($data->{$_}) for qw/solved attempted contests/;
 113         };
 114         $tree->find('tbody')->find('tr')->iter3($args{us}, $iter);
 115 }
 116
 117 sub process_ct_entry {
 118         my ($tree, %args) = @_;
 119         $_->edit_href (sub {s/contest_id/$args{id}/}) for $tree->find('a');
 120         $tree->fid('editorial')->detach unless $args{finished};
 121         $tree->fid('links')->detach unless $args{started};
 122         my $status = ($args{time} < $args{start} ? 'starts' : 'ends');
 123         $tree->fclass('timer')->attr('data-stop', $status eq 'ends' ? $args{stop} : $args{start});
 124         $tree->content_handler(
 125                 start       => ftime   $args{start},
 126                 stop        => ftime   $args{stop},
 127                 status      => $status,
 128                 description => literal $args{description});
 129         $tree->fid('ctcountdown')->detach if $args{time} >= $args{stop};
 130 }
 131
 132 sub process_ct {
 133         my ($tree, %args) = @_;
 134         my $iter = sub {
 135                 my ($data, $tr) = @_;
 136                 $data->{$_} = ftime $data->{$_} for qw/start stop/;
 137                 $tr->hashmap(class => $data, [qw/name owner/]);
 138                 $tr->fclass('name')->namedlink($data->{id}, $data->{name});
 139                 $tr->fclass('owner')->namedlink($data->{owner}, $data->{owner_name});
 140         };
 141         $args{$_} ? $tree->fid($_)->find('tbody')->find('tr')->iter3($args{$_}, $iter) : $tree->fid($_)->detach for qw/running pending finished/;
 142 }
 143
 144 sub process_pb_entry {
 145         my ($tree, %args) = @_;
 146         $tree->fid('owner')->edit_href(sub{s/owner_id/$args{owner}/});
 147         $tree->fid('job_log')->edit_href(sub{s/problem_id/$args{id}/});
 148         $tree->fid('solution')->edit_href(sub{s/problem_id/$args{id}/});
 149         $tree->fid('job_log')->edit_href(sub{$_ .= "&private=$args{private}"}) if $args{private};
 150         $tree->content_handler(
 151                 statement => literal $args{statement},
 152                 level     => ucfirst $args{level},
 153                 author    =>         $args{author},
 154                 owner     =>         $args{owner_name} || $args{owner});
 155         if ($args{limits}) {
 156                 my @limits = (@{$args{limits}}, {format => 'Other', timeout => $args{timeout} });
 157                 @limits = map { sprintf '%s (%s)', @{$_}{qw/timeout format/} } @limits;
 158                 $tree->look_down(smap => 'timeout')->replace_content(join ', ', @limits);
 159         }
 160         if ($args{contest_stop}) {
 161                 $tree->fid('solution')->detach;
 162                 $tree->fid('solution_modal')->detach;
 163                 my $score = $tree->fid('score');
 164                 $score->attr('data-start' => $args{open_time});
 165                 $score->attr('data-stop'  => $args{contest_stop});
 166                 $score->attr('data-value'  => $args{value});
 167                 $tree->fid('countdown')->attr('data-stop' => $args{contest_stop});
 168         } else {
 169                 $tree->fid('solution')->detach unless $args{solution};
 170                 $_->detach for $tree->fclass('rc'); # requires contest
 171                 $tree->fid('solution_modal')->fclass('modal-body')->replace_content(literal $args{solution});
 172         }
 173         if ($args{cansubmit}) {
 174                 $tree->fid('nosubmit')->detach;
 175                 $tree->look_down(name => 'problem')->attr(value => $args{id});
 176                 my $contest = $tree->look_down(name => 'contest');
 177                 $contest->attr(value => $args{args}{contest}) if $args{args}{contest};
 178                 $contest->detach unless $args{args}{contest}
 179         } else {
 180                 $tree->fid('nosubmit')->find('a')->edit_href(sub{s/id/$args{id}/});
 181                 $tree->fid('submit')->detach
 182         }
 183 }
 184
 185 sub process_sol {
 186         my ($tree, %args) = @_;
 187         $tree->content_handler(solution => literal $args{solution});
 188 }
 189
 190 sub process_pb {
 191         my ($tree, %args) = @_;
 192         my $titer = sub {
 193                 my ($data, $tr) = @_;
 194                 $tr->set_child_content(class => 'author', $data->{author});
 195                 $tr->fclass('name')->namedlink($data->{id}, $data->{name});
 196                 $tr->fclass('name')->find('a')->edit_href(sub {$_ .= "?contest=$args{contest}"}) if $args{contest};
 197                 $tr->fclass('owner')->namedlink($data->{owner}, $data->{owner_name});
 198                 $tr->find('td')->attr(class => $tr->find('td')->attr('class').' warning') if $data->{private} && !$args{contest};
 199         };
 200         my $iter = sub {
 201                 my ($data, $div) = @_;
 202                 $div->attr(id => $data);
 203                 $div->find('h2')->replace_content(ucfirst $data);
 204                 $div->find('tbody')->find('tr')->iter3($args{$data}, $titer);
 205         };
 206         $tree->fid('beginner')->iter3([grep {$args{$_}} qw/beginner easy medium hard/], $iter);
 207         $tree->fid('open-alert')->detach unless $args{contest};
 208 }
 209
 210 sub process_log_entry {
 211         my ($tree, %args) = @_;
 212         $tree->fid('problem')->namedlink(@args{qw/problem problem_name/});
 213         $tree->fid('owner')->namedlink(@args{qw/owner owner_name/});
 214         $tree->fid('source')->namedlink("$args{id}.$args{extension}", sprintf '%.2fKB', $args{size}/1024);
 215         if ($args{contest}) {
 216                 $tree->fid('contest')->namedlink(@args{qw/contest contest_name/});
 217                 $tree->fid('problem')->find('a')->edit_href(sub {$_.="?contest=$args{contest}"});
 218         } else {
 219                 $tree->fid('contest')->left->detach;
 220                 $tree->fid('contest')->detach;
 221         }
 222
 223         $args{errors} ? $tree->fid('errors')->find('pre')->replace_content($args{errors}) : $tree->fid('errors')->detach;
 224         my $iter = sub {
 225                 my ($data, $tr) = @_;
 226                 $data->{time} = sprintf '%.4fs', $data->{time};
 227                 $tr->defmap(class => $data);
 228                 $tr->fclass('result_text')->attr(class => "r$data->{result}")
 229         };
 230         $tree->fclass('result_text')->replace_content($args{result_text});
 231         $tree->fclass('result_text')->attr(class => "r$args{result}");
 232         $args{results} ? $tree->fid('results')->find('tbody')->find('tr')->iter3($args{results}, $iter) : $tree->fid('results')->detach;
 233         $tree->fid('no_results')->detach if $tree->fid('results') || $tree->fid('errors');
 234 }
 235
 236 sub process_log {
 237         my ($tree, %args) = @_;
 238         my $iter = sub {
 239                 my ($data, $tr) = @_;
 240                 $tr->fclass('id')->namedlink($data->{id});
 241                 $tr->fclass('problem')->namedlink($data->{problem}, $data->{problem_name});
 242                 $tr->fclass('problem')->find('a')->edit_href(sub{$_ .= "?contest=$args{args}{contest}"}) if $args{args}{contest};
 243                 $tr->fclass('contest')->namedlink($data->{contest}, $data->{contest_name}) if $data->{contest};
 244                 $tr->fclass('contest')->replace_content('None') unless $data->{contest};
 245                 $tr->fclass('date')->replace_content(ftime $data->{date});
 246                 $tr->fclass('source')->namedlink("$data->{id}.$data->{extension}", sprintf "%.2fKB %s", $data->{size}/1024, $data->{format});
 247                 $tr->fclass('owner')->namedlink($data->{owner}, $data->{owner_name});
 248                 $tr->fclass('result_text')->replace_content($data->{result_text});
 249                 $tr->fclass('result_text')->attr(class => "r$data->{result}");
 250                 $tr->find('td')->attr(class => $tr->find('td')->attr('class').' warning') if $data->{private};
 251         };
 252         $tree->find('table')->find('tbody')->find('tr')->iter3($args{log}, $iter);
 253         $args{next_page} ? $tree->fclass('next')->namedlink($args{next_page}, 'Next') : $tree->fclass('next')->detach;
 254         $args{previous_page} ? $tree->fclass('previous')->namedlink($args{previous_page}, 'Previous') : $tree->fclass('previous')->detach;
 255         for my $cls (qw/next previous/) {
 256                 my $elem = $tree->fclass($cls);
 257                 next unless $elem;
 258                 delete $args{args}{page};
 259                 my $str = join '&', map { $_ . '=' . $args{args}{$_} } keys %{$args{args}};
 260                 $elem->find('a')->edit_href(sub{s/$/&$str/}) if $str;
 261         }
 262         $tree->fclass('current')->replace_content("Page $args{current_page} of $args{last_page}");
 263 }
 264
 265 sub process_st {
 266         my ($tree, %args) = @_;
 267         $args{problems} //= [];
 268         my $pbiter = sub {
 269                 my ($data, $th) = @_;
 270                 $th->attr(class => undef);
 271                 $th->namedlink(@$data);
 272                 $th->find('a')->edit_href(sub{s/$/?contest=$args{args}{contest}/});
 273         };
 274         $tree->fclass('problem')->iter3($args{problems}, $pbiter);
 275         my $iter = sub {
 276                 my ($st, $tr) = @_;
 277                 $tr->set_child_content(class => 'rank', $st->{rank});
 278                 $tr->set_child_content(class => 'score', $st->{score});
 279                 $tr->fclass('user')->namedlink($st->{user}, $st->{user_name});
 280                 my $pbscore = $tr->fclass('pbscore');
 281                 $pbscore->iter($pbscore => @{$st->{scores}});
 282         };
 283         $tree->find('tbody')->find('tr')->iter3($args{st}, $iter);
 284 }
 285
 286 sub process_ed {
 287         my ($tree, %args) = @_;
 288         $tree->content_handler(editorial => literal $args{editorial});
 289         my $iter = sub {
 290                 my ($data, $div) = @_;
 291                 $div->set_child_content(class => 'value', $data->{value});
 292                 $div->set_child_content(class => 'solution', literal $data->{solution});
 293                 $div->fclass('problem')->namedlink($data->{id}, $data->{name});
 294         };
 295         my @pb = map { @{$args{$_} // []} } qw/beginner easy medium hard/;
 296         $tree->fclass('well')->iter3(\@pb, $iter);
 297 }