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