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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::Element::Library;
8 use HTML::TreeBuilder;
9 use POSIX qw//;
10 use Data::Dumper qw/Dumper/;
11
12 my $optional_end_tags = {%HTML::Tagset::optionalEndTag, tr => 1, td => 1, th => 1};
13
14 sub ftime ($) { POSIX::strftime '%c', localtime shift }
15 sub literal ($) {
16 my ($html) = @_;
17 return unless $html;
18 my $b = HTML::TreeBuilder->new;
19 $b->ignore_unknown(0);
20 $b->parse($html);
21 HTML::Element::Library::super_literal $b->guts->as_HTML(undef, undef, $optional_end_tags);
22 }
23
24 sub HTML::Element::edit_href {
25 my ($self, $sub) = @_;
26 local $_ = $self->attr('href');
27 $sub->();
28 $self->attr(href => $_);
29 }
30
31 sub HTML::Element::iter3 {
32 my ($self, $data, $code) = @_;
33 my $orig = $self;
34 my $prev = $orig;
35 for my $el (@$data) {
36 my $current = $orig->clone;
37 $code->($el, $current);
38 $prev->postinsert($current);
39 $prev = $current;
40 }
41 $orig->detach;
42 }
43
44 sub HTML::Element::fid { shift->look_down(id => shift) }
45 sub HTML::Element::fclass { shift->look_down(class => qr/\b$_[0]\b/) }
46
47 sub HTML::Element::namedlink {
48 my ($self, $id, $name) = @_;
49 $name = $id unless $name =~ /[[:graph:]]/;
50 $self = $self->find('a');
51 $self->edit_href(sub {s/id/$id/});
52 $self->replace_content($name);
53 }
54
55 my %page_cache;
56 for (<tmpl/*>) {
57 my ($tmpl, $lang) = m,tmpl/(\w+)\.(\w+),;
58 my $builder = HTML::TreeBuilder->new;
59 $builder->ignore_unknown(0);
60 $page_cache{$tmpl, $lang} = $builder->parse_file($_);
61 }
62
63 sub render {
64 my ($tmpl, $lang, %args) = @_;
65 $lang //= 'en';
66 my $meat = _render($tmpl, $lang, %args);
67 _render('skel', $lang, %args, meat => $meat)
68 }
69
70 sub render_article {
71 my ($art, $lang, %args) = @_;
72 $lang //= 'en';
73 my $title = read_file "a/$art.$lang.title";
74 chomp $title;
75 my $meat = read_file "a/$art.$lang";
76 _render('skel', $lang, title => $title , meat => $meat, %args)
77 }
78
79 sub _render {
80 my ($tmpl, $lang, %args) = @_;
81 my $tree = $page_cache{$tmpl, $lang}->clone or die "No such template/language combination: $tmpl/$lang\n";
82 $tree = $tree->guts unless $tmpl eq 'skel';
83 $tree->defmap(smap => \%args);
84 my $process = __PACKAGE__->can("process_$tmpl");
85 $process->($tree, %args) if $process;
86 $_->detach for $tree->look_down(static => $args{static} ? 'no' : 'yes');
87 $_->attr('static', undef) for $tree->look_down(sub {$_[0]->attr('static')});
88 $_->attr('smap', undef) for $tree->look_down(sub {$_[0]->attr('smap')});
89 $tree->as_HTML(undef, undef, $optional_end_tags);
90 }
91
92 sub process_skel {
93 my ($tree, %args) = @_;
94 $tree->content_handler(
95 title => $args{title},
96 content => literal $args{meat});
97 }
98
99 sub process_us_entry {
100 my ($tree, %args) = @_;
101 $tree->fid($_)->attr('href', "/$_/?owner=$args{id}") for qw/log pb/;
102 $tree->fid('track_user')->attr('data-user', $args{id});
103 my @solved = map { $_->{solved} ? ($_->{problem}) : () } @{$args{problems}};
104 my @attempted = map { !$_->{solved} ? ($_->{problem}) : () } @{$args{problems}};
105
106 my $pbiter = sub {
107 my ($data, $li) = @_;
108 $li->find('a')->namedlink($data);
109 };
110 $tree->fid('solved')->find('li')->iter3(\@solved, $pbiter);
111 $tree->fid('attempted')->find('li')->iter3(\@attempted, $pbiter);
112 $tree->fid('solved_count')->replace_content(scalar @solved);
113 $tree->fid('attempted_count')->replace_content(scalar @attempted);
114
115 my $ctiter = sub {
116 my ($data, $td) = @_;
117 $td->fclass('contest')->namedlink($data->{contest}, $data->{contest_name});
118 $td->fclass('score')->replace_content($data->{score});
119 $td->fclass('rank')->replace_content($data->{rank});
120 };
121 $tree->find('table')->find('tbody')->find('tr')->iter3($args{contests}, $ctiter);
122 }
123
124 sub process_us {
125 my ($tree, %args) = @_;
126 my $iter = sub {
127 my ($data, $tr) = @_;
128 $tr->fclass('user')->namedlink($data->{id}, $data->{name});
129 $tr->fclass($_)->replace_content($data->{$_}) for qw/solved attempted contests/;
130 };
131 $tree->find('tbody')->find('tr')->iter3($args{us}, $iter);
132 }
133
134 sub process_ct_entry {
135 my ($tree, %args) = @_;
136 $_->edit_href (sub {s/contest_id/$args{id}/}) for $tree->find('a');
137 $tree->fid('editorial')->detach unless $args{finished};
138 $tree->fid('links')->detach unless $args{started};
139 my $status = ($args{time} < $args{start} ? 'starts' : 'ends');
140 $tree->fclass('timer')->attr('data-stop', $status eq 'ends' ? $args{stop} : $args{start});
141 $tree->content_handler(
142 start => ftime $args{start},
143 stop => ftime $args{stop},
144 status => $status,
145 description => literal $args{description});
146 $tree->fid('ctcountdown')->detach if $args{time} >= $args{stop};
147 }
148
149 sub process_ct {
150 my ($tree, %args) = @_;
151 my $iter = sub {
152 my ($data, $tr) = @_;
153 $data->{$_} = ftime $data->{$_} for qw/start stop/;
154 $tr->hashmap(class => $data, [qw/name owner/]);
155 $tr->fclass('name')->namedlink($data->{id}, $data->{name});
156 $tr->fclass('owner')->namedlink($data->{owner}, $data->{owner_name});
157 };
158 $args{$_} ? $tree->fid($_)->find('tbody')->find('tr')->iter3($args{$_}, $iter) : $tree->fid($_)->detach for qw/running pending finished/;
159 }
160
161 sub process_pb_entry {
162 my ($tree, %args) = @_;
163 $tree->fid('owner')->edit_href(sub{s/owner_id/$args{owner}/});
164 $tree->fid('job_log')->edit_href(sub{s/problem_id/$args{id}/});
165 $tree->fid('solution')->edit_href(sub{s/problem_id/$args{id}/});
166 $tree->content_handler(
167 statement => literal $args{statement},
168 level => ucfirst $args{level},
169 author => $args{author},
170 owner => $args{owner_name} || $args{owner});
171 if ($args{limits}) {
172 my @limits = (@{$args{limits}}, {format => 'Other', timeout => $args{timeout} });
173 @limits = map { sprintf '%s (%s)', @{$_}{qw/timeout format/} } @limits;
174 $tree->look_down(smap => 'timeout')->replace_content(join ', ', @limits);
175 }
176 if ($args{contest_stop}) {
177 $tree->fid('solution')->detach;
178 $tree->fid('solution_modal')->detach;
179 my $score = $tree->fid('score');
180 $score->attr('data-start' => $args{open_time});
181 $score->attr('data-stop' => $args{contest_stop});
182 $score->attr('data-value' => $args{value});
183 $tree->fid('countdown')->attr('data-stop' => $args{contest_stop});
184 } else {
185 $tree->fid('job_log')->edit_href(sub{$_ .= "&private=$args{private}"}) if $args{private};
186 $tree->fid('solution')->detach unless $args{solution};
187 $_->detach for $tree->fclass('rc'); # requires contest
188 $tree->fid('solution_modal')->fclass('modal-body')->replace_content(literal $args{solution});
189 }
190 if ($args{cansubmit}) {
191 $tree->fid('nosubmit')->detach;
192 $tree->look_down(name => 'problem')->attr(value => $args{id});
193 my $contest = $tree->look_down(name => 'contest');
194 $contest->attr(value => $args{args}{contest}) if $args{args}{contest};
195 $contest->detach unless $args{args}{contest}
196 } else {
197 $tree->fid('nosubmit')->find('a')->edit_href(sub{s/id/$args{id}/});
198 $tree->fid('submit')->detach
199 }
200 }
201
202 sub process_sol {
203 my ($tree, %args) = @_;
204 $tree->content_handler(solution => literal $args{solution});
205 }
206
207 sub process_pb {
208 my ($tree, %args) = @_;
209 my $titer = sub {
210 my ($data, $tr) = @_;
211 $tr->set_child_content(class => 'author', $data->{author});
212 $tr->fclass('name')->namedlink($data->{id}, $data->{name});
213 $tr->fclass('name')->find('a')->edit_href(sub {$_ .= "?contest=$args{contest}"}) if $args{contest};
214 $tr->fclass('owner')->namedlink($data->{owner}, $data->{owner_name});
215 $tr->find('td')->attr(class => $tr->find('td')->attr('class').' warning') if $data->{private} && !$args{contest};
216 };
217 my $iter = sub {
218 my ($data, $div) = @_;
219 $div->attr(id => $data);
220 $div->find('h2')->replace_content(ucfirst $data);
221 $div->find('tbody')->find('tr')->iter3($args{$data}, $titer);
222 };
223 $tree->fid('beginner')->iter3([grep {$args{$_}} qw/beginner easy medium hard/], $iter);
224 $tree->fid('open-alert')->detach unless $args{contest};
225 }
226
227 sub process_log_entry {
228 my ($tree, %args) = @_;
229 $tree->fid('problem')->namedlink(@args{qw/problem problem_name/});
230 $tree->fid('owner')->namedlink(@args{qw/owner owner_name/});
231 $tree->fid('source')->namedlink("$args{id}.$args{extension}", sprintf '%.2fKB', $args{size}/1024);
232 if ($args{contest}) {
233 $tree->fid('contest')->namedlink(@args{qw/contest contest_name/});
234 $tree->fid('problem')->find('a')->edit_href(sub {$_.="?contest=$args{contest}"});
235 } else {
236 $tree->fid('contest')->left->detach;
237 $tree->fid('contest')->detach;
238 }
239
240 $args{errors} ? $tree->fid('errors')->find('pre')->replace_content($args{errors}) : $tree->fid('errors')->detach;
241 my $iter = sub {
242 my ($data, $tr) = @_;
243 $data->{time} = sprintf '%.4fs', $data->{time};
244 $tr->defmap(class => $data);
245 $tr->fclass('result_text')->attr(class => "r$data->{result}")
246 };
247 $tree->fclass('result_text')->replace_content($args{result_text});
248 $tree->fclass('result_text')->attr(class => "r$args{result}");
249 $args{results} ? $tree->fid('results')->find('tbody')->find('tr')->iter3($args{results}, $iter) : $tree->fid('results')->detach;
250 $tree->fid('no_results')->detach if $tree->fid('results') || $tree->fid('errors');
251 }
252
253 sub process_log {
254 my ($tree, %args) = @_;
255 my $iter = sub {
256 my ($data, $tr) = @_;
257 $tr->fclass('id')->namedlink($data->{id});
258 $tr->fclass('problem')->namedlink($data->{problem}, $data->{problem_name});
259 $tr->fclass('problem')->find('a')->edit_href(sub{$_ .= "?contest=$args{args}{contest}"}) if $args{args}{contest};
260 $tr->fclass('contest')->namedlink($data->{contest}, $data->{contest_name}) if $data->{contest};
261 $tr->fclass('contest')->replace_content('None') unless $data->{contest};
262 $tr->fclass('date')->replace_content(ftime $data->{date});
263 $tr->fclass('source')->namedlink("$data->{id}.$data->{extension}", sprintf "%.2fKB %s", $data->{size}/1024, Plack::App::Gruntmaster::FORMAT_EXTENSION()->{$data->{format}});
264 $tr->fclass('owner')->namedlink($data->{owner}, $data->{owner_name});
265 $tr->fclass('result_text')->replace_content($data->{result_text});
266 $tr->fclass('result_text')->attr(class => "r$data->{result}");
267 $tr->find('td')->attr(class => $tr->find('td')->attr('class').' warning') if $data->{private};
268 };
269 $tree->find('table')->find('tbody')->find('tr')->iter3($args{log}, $iter);
270 $args{next_page} ? $tree->fclass('next')->namedlink($args{next_page}, 'Next') : $tree->fclass('next')->detach;
271 $args{previous_page} ? $tree->fclass('previous')->namedlink($args{previous_page}, 'Previous') : $tree->fclass('previous')->detach;
272 for my $cls (qw/next previous/) {
273 my $elem = $tree->fclass($cls);
274 next unless $elem;
275 delete $args{args}{page};
276 my $str = join '&', map { $_ . '=' . $args{args}{$_} } keys %{$args{args}};
277 $elem->find('a')->edit_href(sub{s/$/&$str/}) if $str;
278 }
279 $tree->fclass('current')->replace_content("Page $args{current_page} of $args{last_page}");
280
281 my @detach;
282 push @detach, $args{args}{$_} ? $tree->fclass($_) : () for qw/problem contest owner/;
283 $_->detach for @detach;
284 }
285
286 sub process_st {
287 my ($tree, %args) = @_;
288 $args{problems} //= [];
289 my $pbiter = sub {
290 my ($data, $th) = @_;
291 $th->attr(class => undef);
292 $th->namedlink(@$data);
293 $th->find('a')->edit_href(sub{s/$/?contest=$args{args}{contest}/});
294 };
295 $tree->fclass('problem')->iter3($args{problems}, $pbiter);
296 my $iter = sub {
297 my ($st, $tr) = @_;
298 $tr->set_child_content(class => 'rank', $st->{rank});
299 $tr->set_child_content(class => 'score', $st->{score});
300 $tr->fclass('user')->namedlink($st->{user}, $st->{user_name});
301 my $pbscore = $tr->fclass('pbscore');
302 $pbscore->iter($pbscore => @{$st->{scores}});
303 };
304 $tree->find('tbody')->find('tr')->iter3($args{st}, $iter);
305 }
306
307 sub process_ed {
308 my ($tree, %args) = @_;
309 $tree->content_handler(editorial => literal $args{editorial});
310 my $iter = sub {
311 my ($data, $div) = @_;
312 $div->set_child_content(class => 'value', $data->{value});
313 $div->set_child_content(class => 'solution', literal $data->{solution});
314 $div->fclass('problem')->namedlink($data->{id}, $data->{name});
315 };
316 my @pb = map { @{$args{$_} // []} } qw/beginner easy medium hard/;
317 $tree->fclass('well')->iter3(\@pb, $iter);
318 }
319
320 1;
321 __END__
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