lib/Gruntmaster/Page/Base.pm

   1 package Gruntmaster::Page::Base;
   2
   3 use 5.014000;
   4 use strict;
   5 use warnings;
   6
   7 use Encode qw/encode/;
   8 use File::Slurp qw/read_file/;
   9 use HTML::Template::Compiled;
  10
  11 ##################################################
  12
  13 use POSIX ();
  14 use Gruntmaster::Data ();
  15 use List::Util ();
  16
  17 sub import {
  18         my $caller = caller;
  19         my ($self, $name, $title) = @_;
  20
  21         Gruntmaster::Data->export_to_level(1, $caller);
  22         List::Util->export_to_level(1, $caller, qw/sum/);
  23
  24         no strict 'refs';
  25         *{"${caller}::strftime"} = \&POSIX::strftime;
  26         *{"${caller}::NAME"} = sub () { $name };
  27         *{"${caller}::TITLE"} = sub () { $title };
  28         *{"${caller}::debug"} = sub {
  29                 local $Log::Log4perl::caller_depth = $Log::Log4perl::caller_depth + 1;
  30                 $_[0]->({qw/level debug message/ => $_[1]})
  31         };
  32 }
  33
  34 ##################################################
  35
  36 my %orig_header_templates = (
  37   en => <<'HTML',
  38 <!DOCTYPE html>
  39 <title>TITLE_GOES_HERE</title>
  40 <meta charset="utf-8">
  41 <meta name="viewport" content="width=device-width, initial-scale=1.0">
  42
  43 <link rel="stylesheet" href="/css/cyborg" id="stylesheet">
  44 <script src="/js" type="text/javascript"></script>
  45
  46 <nav class="navbar navbar-default navbar-static-top" role="navigation">
  47 <div class="container-fluid">
  48 <div class="navbar-header">
  49 <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1"> <span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button>
  50 <a class="navbar-brand" href="/">Gruntmaster 6000</a>
  51 </div>
  52
  53 <div class="collapse navbar-collapse">
  54 <ul class="nav navbar-nav">
  55 <li><a href="/pb/">Problem list</a>
  56 <li><a href="/ct/">Contests</a>
  57 <li><a href="/account">Account</a>
  58 </ul>
  59
  60 <ul class="nav navbar-nav navbar-right">
  61 <li><a class="dropdown-toggle" data-toggle="dropdown"> Theme <span class="caret"></span></a>
  62
  63 <ul class="dropdown-menu" role="menu">
  64 <li><a href="#" id="theme_slate">Gunmetal gray</a>
  65 <li><a href="#" id="theme_cyborg">Black</a>
  66 <li><a href="#" id="theme_cerulean">White</a>
  67 <li><a href="#" id="theme_cosmo">Metro</a>
  68 </ul>
  69
  70 <li><a href="/log/">Job log</a>
  71 </ul>
  72 </div>
  73 </div>
  74 </nav>
  75
  76 <div class="container-fluid">
  77
  78 <div id="title"><span class="i">i</span><span class="Eval">Eval</span></div>
  79 <div id="subtitle">TITLE_GOES_HERE</div>
  80
  81 HTML
  82 );
  83
  84 my %orig_footer_templates = (
  85   en => <<'HTML',
  86
  87 <footer>
  88 Dilmom: Why don't you call your product the Gruntmaster 6000?
  89 Dilbert: What kind of product do you see when you imagine a Gruntmaster 6000?
  90 Dilmom: Well, it's a stripped-down version of the Gruntmaster 9000, of course. But it's software-upgradeable.
  91 </footer>
  92 HTML
  93 );
  94
  95 sub patch_templates {
  96         my $root = $ENV{GRUNTMASTER_TEMPLATE_ROOT} or return %{$_[0]};
  97         my ($templates, $name) = @_;
  98         my %out = %$templates;
  99         for (<$root/$name.*>) {
 100                 m/\.(.+)$/;
 101                 $out{$1} = read_file $_
 102         }
 103
 104         %out
 105 }
 106
 107 sub reload_templates (){ $ENV{GRUNTMASTER_RELOAD_TEMPLATES} }
 108
 109 my %header_templates = patch_templates \%orig_header_templates, 'header';
 110 my %footer_templates = patch_templates \%orig_footer_templates, 'footer';
 111
 112 sub header{
 113   my ($language, $title) = @_;
 114   %header_templates = patch_templates \%orig_header_templates, 'header' if reload_templates;
 115   $header_templates{$language} =~ s/TITLE_GOES_HERE/$title/ger;
 116 }
 117
 118 sub footer{
 119   %footer_templates = patch_templates \%orig_footer_templates, 'footer' if reload_templates;
 120   $footer_templates{$_[0]};
 121 }
 122
 123 sub cook_templates {
 124         my ($templates, $name, $title) = @_;
 125
 126         my %out = patch_templates $templates, $name;
 127         $out{$_}  = header ($_, $title) . $out{$_} for keys %out;
 128         $out{$_} .= footer  $_  for keys %out;
 129
 130         %out
 131 }
 132
 133 ##################################################
 134
 135 my %templates;
 136
 137 sub generate{
 138         my ($self, $lang, @args) = @_;
 139
 140         $templates{$self} = { cook_templates $self->TEMPLATES, $self->NAME => $self->TITLE } if !exists $templates{$self} or reload_templates;
 141
 142         my $htc = HTML::Template::Compiled->new(scalarref => \$templates{$self}{$lang}, default_escape => 'HTML',);
 143         $self->_generate($htc, $lang, @args);
 144         [200, ['Content-Type' => 'text/html', 'Content-Language' => $_[1]], [ encode 'UTF-8' => $htc->output ] ]
 145 }
 146
 147 sub _generate {}
 148
 149 sub variants {
 150         [ map { [ $_, 1, 'text/html', undef, undef, $_, undef ]} keys $_[0]->TEMPLATES ]
 151 }
 152
 153 1