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 use LWP::UserAgent;
  16
  17 my $ua = LWP::UserAgent->new;
  18
  19 sub import {
  20         my $caller = caller;
  21         my ($self, $name, $title) = @_;
  22
  23         Gruntmaster::Data->export_to_level(1, $caller);
  24         List::Util->export_to_level(1, $caller, qw/sum/);
  25
  26         no strict 'refs';
  27         *{"${caller}::strftime"} = \&POSIX::strftime;
  28         *{"${caller}::NAME"} = sub () { $name };
  29         *{"${caller}::TITLE"} = sub () { $title };
  30         *{"${caller}::debug"} = sub {
  31                 local $Log::Log4perl::caller_depth = $Log::Log4perl::caller_depth + 1;
  32                 $_[0]->{'psgix.logger'}->({qw/level debug message/ => $_[1]})
  33         };
  34         *{"${caller}::reply"} = sub { [200, ['Content-Type' => 'text/plain'], [ @_ ] ] };
  35         *{"${caller}::purge"} = sub {
  36                 return unless $ENV{PURGE_HOST};
  37                 my $req = HTTP::Request->new(PURGE => "http://$ENV{PURGE_HOST}$_[0]");
  38                 $ua->request($req)
  39         };
  40 }
  41
  42 ##################################################
  43
  44 my %orig_header_templates = (
  45   en => <<'HTML',
  46 <!DOCTYPE html>
  47 <title>TITLE_GOES_HERE</title>
  48 <meta charset="utf-8">
  49 <meta name="viewport" content="width=device-width, initial-scale=1.0">
  50
  51 <link rel="stylesheet" href="/css/cyborg" id="stylesheet">
  52 <script src="/js" type="text/javascript"></script>
  53
  54 <nav class="navbar navbar-default navbar-static-top" role="navigation">
  55 <div class="container-fluid">
  56 <div class="navbar-header">
  57 <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>
  58 <a class="navbar-brand" href="/">Gruntmaster 6000</a>
  59 </div>
  60
  61 <div class="collapse navbar-collapse">
  62 <ul class="nav navbar-nav">
  63 <li><a href="/pb/">Problems</a>
  64 <li><a href="/ct/">Contests</a>
  65 <li><a href="/account">Account</a>
  66 </ul>
  67
  68 <ul class="nav navbar-nav navbar-right">
  69 <li><a class="dropdown-toggle" data-toggle="dropdown"> Theme <span class="caret"></span></a>
  70
  71 <ul class="dropdown-menu" role="menu">
  72 <li><a href="#" id="theme_slate">Gunmetal gray</a>
  73 <li><a href="#" id="theme_cyborg">Black</a>
  74 <li><a href="#" id="theme_cerulean">White</a>
  75 <li><a href="#" id="theme_cosmo">Metro</a>
  76 </ul>
  77
  78 <li><a href="/log/">Job log</a>
  79 </ul>
  80 </div>
  81 </div>
  82 </nav>
  83
  84 <div class="container-fluid">
  85
  86 <h1 id="title">TITLE_GOES_HERE</h1>
  87 <div id="result"></div>
  88
  89 <div id="content">
  90 HTML
  91 );
  92
  93 my %orig_footer_templates = (
  94   en => <<'HTML',
  95
  96 </div>
  97 </div>
  98
  99 <div id="sponsors"> </div>
 100
 101 <footer>
 102 Dilmom: Why don't you call your product the Gruntmaster 6000?
 103 Dilbert: What kind of product do you see when you imagine a Gruntmaster 6000?
 104 Dilmom: Well, it's a stripped-down version of the Gruntmaster 9000, of course. But it's software-upgradeable.
 105 </footer>
 106 HTML
 107 );
 108
 109 sub patch_templates {
 110         my $root = 'tmpl';
 111         return %{$_[0]} unless -d $root;
 112         my ($templates, $name) = @_;
 113         my %out = %$templates;
 114         for (<$root/$name.*>) {
 115                 m/\.(.+)$/;
 116                 $out{$1} = read_file $_
 117         }
 118
 119         %out
 120 }
 121
 122 my %header_templates = patch_templates \%orig_header_templates, 'header';
 123 my %footer_templates = patch_templates \%orig_footer_templates, 'footer';
 124
 125 sub header{
 126   my ($language, $title) = @_;
 127   $header_templates{$language} =~ s/TITLE_GOES_HERE/$title/ger;
 128 }
 129
 130 sub footer{
 131   $footer_templates{$_[0]};
 132 }
 133
 134 sub cook_templates {
 135         my ($templates, $name, $title) = @_;
 136
 137         my %out = patch_templates $templates, $name;
 138         $out{$_}  = header ($_, $title) . $out{$_} for keys %out;
 139         $out{$_} .= footer  $_  for keys %out;
 140
 141         %out
 142 }
 143
 144 ##################################################
 145
 146 my %templates;
 147
 148 sub generate{
 149         my ($self, $lang, @args) = @_;
 150
 151         $templates{$self} = { cook_templates $self->TEMPLATES, $self->NAME => $self->TITLE } unless exists $templates{$self};
 152
 153         my $htc = HTML::Template::Compiled->new(scalarref => \$templates{$self}{$lang}, default_escape => 'HTML',);
 154         $self->_generate($htc, $lang, @args);
 155         my $out = $htc->output;
 156         utf8::downgrade($out);
 157         [200, ['Content-Type' => 'text/html', 'Content-Language' => $_[1], 'Vary' => 'Accept-Language', 'X-Forever' => 1], [ $out ] ]
 158 }
 159
 160 sub _generate {}
 161
 162 sub variants {
 163         [ map { [ $_, 1, 'text/html', undef, undef, $_, undef ]} keys $_[0]->TEMPLATES ]
 164 }
 165
 166 1