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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 | |
13 | sub default_config { |
14 | ( |
15 | pages_dir => 'share/content', |
16 | template_dir => 'share/skin', |
17 | ) |
18 | } |
19 | |
20 | sub _build_pages { |
21 | my ($self) = @_; |
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22 | SCSite::PageSet->new(base_dir => io->dir($self->config->{pages_dir})) |
23 | } |
24 | |
25 | sub _build_filters { |
26 | my ($self) = @_; |
27 | require SCSite::SubListFilter; |
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28 | require SCSite::SidebarFilter; |
29 | +{ |
30 | map +($_ => "SCSite::${_}Filter"->new_from_site($self)), |
31 | qw(SubList Sidebar) |
32 | } |
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33 | } |
34 | |
35 | sub dispatch_request { |
36 | my $self = shift; |
37 | sub (/feed/**/) { |
38 | $self->_http_response(500 => 'text/plain' => 'Not implemented'); |
39 | }, |
40 | sub (/) { |
41 | $self->_page_http_response(200 => $self->_find_page('index')); |
42 | }, |
43 | sub (/**) { |
44 | [ 302, [ 'Location' => "/$_[1]/" ], [] ] |
45 | }, |
46 | sub (/**/) { |
47 | my ($code, $page) = map { |
48 | $_ ? (200, $_) : (404, $self->_error_page(404)) |
49 | } $self->_find_page($_[1]); |
50 | $self->_page_http_response($code => $page); |
51 | } |
52 | } |
53 | |
54 | sub _error_page { |
55 | my ($self, $code) = @_; |
56 | $self->_find_page("error_${code}"); |
57 | } |
58 | |
59 | sub _find_page { |
60 | my ($self, $path) = @_; |
61 | $self->pages->get({ path => $path }); |
62 | } |
63 | |
64 | sub _http_response { |
65 | my ($self, $code, $type, $content) = @_; |
66 | [ $code, [ 'Content-type' => $type ], [ $content ] ]; |
67 | } |
68 | |
69 | sub _page_http_response { |
70 | my ($self, $code, $page) = @_; |
71 | [ $code, [ 'Content-type' => 'text/html' ], $self->_render_page($page) ]; |
72 | } |
73 | |
74 | sub _render_page { |
75 | my ($self, $page) = @_; |
76 | my $zoom = $self->_layout_zoom; |
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77 | my %filters = %{$self->filters}; |
78 | $zoom->select('.page.title')->replace_content($page->title) |
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79 | ->select('meta[name=description]')->replace_content($page->description) |
80 | ->select('meta[name=keywords]')->replace_content($page->keywords) |
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81 | ->select('.main')->replace_content(\$page->body) |
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82 | ->apply(sub { |
83 | foreach my $fname (sort keys %filters) { |
84 | my $cb = $filters{$fname}->callback_for($page); |
85 | $_ = $_->select(".${fname}")->collect({ |
86 | filter => $cb, passthrough => 1 |
87 | }); |
88 | } |
89 | $_ |
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90 | }) |
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91 | ->to_fh |
92 | } |
93 | |
94 | sub _build__layout_zoom { |
95 | my ($self) = @_; |
96 | HTML::Zoom->from_file( |
97 | io->dir($self->config->{template_dir})->catfile('layout.html') |
98 | )->memoize; |
99 | } |
100 | |
101 | sub run_if_script { |
102 | return $_[0]->to_psgi_app if caller(1); |
103 | my $class = shift; |
104 | my @config_keys = keys %{{$class->default_config}}; |
105 | require Getopt::Long; |
106 | my %config; |
107 | Getopt::Long::GetOptions( |
108 | map +("$_=s" => \$config{$_}), @config_keys |
109 | ); |
110 | delete $config{$_} for grep !defined($config{$_}), keys %config; |
111 | my $new = $class->new(config => \%config); |
112 | $new->run(@_) |
113 | } |
114 | |
115 | __PACKAGE__->run_if_script; |