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1 | package SCSite; |
2 | |
3 | use IO::All; |
4 | use SCSite::PageSet; |
5 | use Web::Simple; |
6 | |
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7 | has pages => (is => 'lazy'); |
8 | |
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9 | has filters => (is => 'lazy'); |
10 | |
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11 | has _layout_zoom => (is => 'lazy'); |
12 | |
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13 | has _feed_configs => (is => 'lazy'); |
14 | |
15 | has _feed_generator => ( |
16 | is => 'lazy', |
17 | handles => { _feed_http_response => 'feed_http_response' }, |
18 | ); |
19 | |
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20 | sub default_config { |
21 | ( |
22 | pages_dir => 'share/content', |
23 | template_dir => 'share/skin', |
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24 | feed_id_prefix => 'http://shadow.cat', |
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25 | ) |
26 | } |
27 | |
28 | sub _build_pages { |
29 | my ($self) = @_; |
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30 | SCSite::PageSet->new(base_dir => io->dir($self->config->{pages_dir})) |
31 | } |
32 | |
33 | sub _build_filters { |
34 | my ($self) = @_; |
35 | require SCSite::SubListFilter; |
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36 | require SCSite::SidebarFilter; |
37 | +{ |
38 | map +($_ => "SCSite::${_}Filter"->new_from_site($self)), |
39 | qw(SubList Sidebar) |
40 | } |
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41 | } |
42 | |
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43 | sub _build__feed_configs { |
44 | my $f = +{ |
45 | 'blog' => { |
46 | title => 'All Shadowcat blogs', |
47 | entries => { min_depth => 2, max_depth => 3 }, |
48 | } |
49 | }; |
50 | $f->{$_}{base} ||= $_ for keys %$f; |
51 | $f; |
52 | } |
53 | |
54 | sub _build__feed_generator { |
55 | my ($self) = @_; |
56 | require SCSite::FeedGenerator; |
57 | SCSite::FeedGenerator->new( |
58 | pages => $self->pages, |
59 | id_prefix => $self->config->{feed_id_prefix}, |
60 | ); |
61 | } |
62 | |
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63 | sub dispatch_request { |
64 | my $self = shift; |
65 | sub (/feed/**/) { |
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66 | if (my $conf = $self->_feed_configs->{$_[1]}) { |
67 | $self->_feed_http_response(200 => $conf); |
68 | } |
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69 | }, |
70 | sub (/) { |
71 | $self->_page_http_response(200 => $self->_find_page('index')); |
72 | }, |
73 | sub (/**) { |
74 | [ 302, [ 'Location' => "/$_[1]/" ], [] ] |
75 | }, |
76 | sub (/**/) { |
77 | my ($code, $page) = map { |
78 | $_ ? (200, $_) : (404, $self->_error_page(404)) |
79 | } $self->_find_page($_[1]); |
80 | $self->_page_http_response($code => $page); |
81 | } |
82 | } |
83 | |
84 | sub _error_page { |
85 | my ($self, $code) = @_; |
86 | $self->_find_page("error_${code}"); |
87 | } |
88 | |
89 | sub _find_page { |
90 | my ($self, $path) = @_; |
91 | $self->pages->get({ path => $path }); |
92 | } |
93 | |
94 | sub _http_response { |
95 | my ($self, $code, $type, $content) = @_; |
96 | [ $code, [ 'Content-type' => $type ], [ $content ] ]; |
97 | } |
98 | |
99 | sub _page_http_response { |
100 | my ($self, $code, $page) = @_; |
101 | [ $code, [ 'Content-type' => 'text/html' ], $self->_render_page($page) ]; |
102 | } |
103 | |
104 | sub _render_page { |
105 | my ($self, $page) = @_; |
106 | my $zoom = $self->_layout_zoom; |
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107 | my %filters = %{$self->filters}; |
108 | $zoom->select('.page.title')->replace_content($page->title) |
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109 | ->select('meta[name=description]')->replace_content($page->description) |
110 | ->select('meta[name=keywords]')->replace_content($page->keywords) |
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111 | ->select('.main')->replace_content(\$page->body) |
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112 | ->apply(sub { |
113 | foreach my $fname (sort keys %filters) { |
114 | my $cb = $filters{$fname}->callback_for($page); |
115 | $_ = $_->select(".${fname}")->collect({ |
116 | filter => $cb, passthrough => 1 |
117 | }); |
118 | } |
119 | $_ |
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120 | }) |
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121 | ->to_fh |
122 | } |
123 | |
124 | sub _build__layout_zoom { |
125 | my ($self) = @_; |
126 | HTML::Zoom->from_file( |
127 | io->dir($self->config->{template_dir})->catfile('layout.html') |
128 | )->memoize; |
129 | } |
130 | |
131 | sub run_if_script { |
132 | return $_[0]->to_psgi_app if caller(1); |
133 | my $class = shift; |
134 | my @config_keys = keys %{{$class->default_config}}; |
135 | require Getopt::Long; |
136 | my %config; |
137 | Getopt::Long::GetOptions( |
138 | map +("$_=s" => \$config{$_}), @config_keys |
139 | ); |
140 | delete $config{$_} for grep !defined($config{$_}), keys %config; |
141 | my $new = $class->new(config => \%config); |
142 | $new->run(@_) |
143 | } |
144 | |
145 | __PACKAGE__->run_if_script; |