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[gruntmaster-page.git] / lib / Gruntmaster / Page / Base.pm
1 package Gruntmaster::Page::Base;
2
3 use 5.014000;
4 use strict;
5 use warnings;
6
7 use File::Slurp qw/read_file/;
8 use HTML::Template::Compiled;
9
10 ##################################################
11
12 use POSIX ();
13 use Gruntmaster::Data ();
14 use List::Util ();
15
16 sub import {
17 my $caller = caller;
18 my ($self, $name, $title) = @_;
19
20 Gruntmaster::Data->export_to_level(1, $caller);
21 List::Util->export_to_level(1, $caller, qw/sum/);
22
23 no strict 'refs';
24 *{"${caller}::strftime"} = \&POSIX::strftime;
25 *{"${caller}::NAME"} = sub () { $name };
26 *{"${caller}::TITLE"} = sub () { $title };
27 *{"${caller}::debug"} = sub {
28 local $Log::Log4perl::caller_depth = $Log::Log4perl::caller_depth + 1;
29 $_[0]->({qw/level debug message/ => $_[1]})
30 };
31 }
32
33 ##################################################
34
35 my %orig_header_templates = (
36 en => <<'HTML',
37 <!DOCTYPE html>
38 <title>TITLE_GOES_HERE</title>
39 <link rel="stylesheet" href="/static/gm.css">
40 <script src="/static/zepto.var" defer></script>
41 <script src="/static/view.js" defer></script>
42 <script src="/static/form.js" defer></script>
43 <meta charset="utf-8">
44
45 <span id="admin"></span>
46 <div id="title"><span class="i">i</span><span class="Eval">Eval</span></div>
47 <div id="subtitle">TITLE_GOES_HERE</div>
48
49 <nav><ul>
50 <li><a href="/pb/">Problems</a>
51 <li><a href="/ct/">Contests</a>
52 <li><a href="/log/">Job log</a></ul></nav>
53
54 HTML
55 );
56
57 my %orig_footer_templates = (
58 en => <<'HTML',
59
60 <footer>
61 Dilmom: Why don't you call your product the Gruntmaster 6000?
62 Dilbert: What kind of product do you see when you imagine a Gruntmaster 6000?
63 Dilmom: Well, it's a stripped-down version of the Gruntmaster 9000, of course. But it's software-upgradeable.
64 </footer>
65 HTML
66 );
67
68 sub patch_templates {
69 my $root = $ENV{GRUNTMASTER_TEMPLATE_ROOT} or return %{$_[0]};
70 my ($templates, $name) = @_;
71 my %out = %$templates;
72 for (<$root/$name.*>) {
73 m/\.(.+)$/;
74 $out{$1} = read_file $_
75 }
76
77 %out
78 }
79
80 sub reload_templates (){ $ENV{GRUNTMASTER_RELOAD_TEMPLATES} }
81
82 my %header_templates = patch_templates \%orig_header_templates, 'header';
83 my %footer_templates = patch_templates \%orig_footer_templates, 'footer';
84
85 sub header{
86 my ($language, $title) = @_;
87 %header_templates = patch_templates \%orig_header_templates, 'header' if reload_templates;
88 $header_templates{$language} =~ s/TITLE_GOES_HERE/$title/ger;
89 }
90
91 sub footer{
92 %footer_templates = patch_templates \%orig_footer_templates, 'footer' if reload_templates;
93 $footer_templates{$_[0]};
94 }
95
96 sub cook_templates {
97 my ($templates, $name, $title) = @_;
98
99 my %out = patch_templates $templates, $name;
100 $out{$_} = header ($_, $title) . $out{$_} for keys %out;
101 $out{$_} .= footer $_ for keys %out;
102
103 %out
104 }
105
106 ##################################################
107
108 my %templates;
109
110 sub generate{
111 my ($self, $lang, @args) = @_;
112
113 $templates{$self} = { cook_templates $self->TEMPLATES, $self->NAME => $self->TITLE } if !exists $templates{$self} or reload_templates;
114
115 my $htc = HTML::Template::Compiled->new(scalarref => \$templates{$self}{$lang}, default_escape => 'HTML',);
116 $self->_generate($htc, $lang, @args);
117 [200, ['Content-Type' => 'text/html', 'Content-Language' => $_[1]], [ $htc->output ] ]
118 }
119
120 sub _generate {}
121
122 sub variants {
123 [ map { [ $_, 1, 'text/html', undef, undef, $_, undef ]} keys $_[0]->TEMPLATES ]
124 }
125
126 1
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