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1 | package stemmaweb::Controller::Root; |
2 | use Moose; |
3 | use namespace::autoclean; |
4 | use Text::Tradition::Analysis qw/ run_analysis /; |
5 | |
6 | |
7 | BEGIN { extends 'Catalyst::Controller' } |
8 | |
9 | # |
10 | # Sets the actions in this controller to be registered with no prefix |
11 | # so they function identically to actions created in MyApp.pm |
12 | # |
13 | __PACKAGE__->config(namespace => ''); |
14 | |
15 | =head1 NAME |
16 | |
17 | stemmaweb::Controller::Root - Root Controller for stemmaweb |
18 | |
19 | =head1 DESCRIPTION |
20 | |
21 | Serves up the main container pages. |
22 | |
23 | =head1 URLs |
24 | |
25 | =head2 index |
26 | |
27 | The root page (/). Serves the main container page, from which the various |
28 | components will be loaded. |
29 | |
30 | =cut |
31 | |
32 | sub index :Path :Args(0) { |
33 | my ( $self, $c ) = @_; |
34 | |
35 | $c->stash->{template} = 'index.tt'; |
36 | } |
37 | |
38 | =head1 Elements of index page |
39 | |
40 | =head2 directory |
41 | |
42 | GET /directory |
43 | |
44 | Serves a snippet of HTML that lists the available texts. Eventually this will be available texts by user. |
45 | |
46 | =cut |
47 | sub directory :Local :Args(0) { |
48 | my( $self, $c ) = @_; |
49 | my $m = $c->model('Directory'); |
50 | # TODO not used yet, will load user texts later |
51 | my $user = $c->request->param( 'user' ) || 'ALL'; |
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52 | my @textlist = $m->traditionlist(); |
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53 | $c->stash->{texts} = \@textlist; |
54 | $c->stash->{template} = 'directory.tt'; |
55 | } |
56 | |
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57 | =head2 variantgraph |
58 | |
59 | GET /variantgraph/$textid |
60 | |
61 | Returns the variant graph for the text specified at $textid, in SVG form. |
62 | |
63 | =cut |
64 | |
65 | sub variantgraph :Local :Args(1) { |
66 | my( $self, $c, $textid ) = @_; |
67 | my $m = $c->model('Directory'); |
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68 | my $tradition = $m->tradition( $textid ); |
69 | my $collation = $tradition->collation; |
70 | my $needsave = !$collation->has_cached_svg; |
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71 | $c->stash->{'result'} = $collation->as_svg; |
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72 | $m->save( $tradition ); # to save generate SVG in the cache |
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73 | $c->forward('View::SVG'); |
74 | } |
75 | |
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76 | =head2 alignment |
77 | |
78 | GET /alignment/$textid |
79 | |
80 | Returns an alignment table for the text specified at $textid. |
81 | |
82 | =cut |
83 | |
84 | sub alignment :Local :Args(1) { |
85 | my( $self, $c, $textid ) = @_; |
86 | my $m = $c->model('Directory'); |
87 | my $collation = $m->tradition( $textid )->collation; |
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88 | my $alignment = $collation->alignment_table; |
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89 | |
90 | # Turn the table, so that witnesses are by column and the rows |
91 | # are by rank. |
92 | my $wits = [ map { $_->{'witness'} } @{$alignment->{'alignment'}} ]; |
93 | my $rows; |
94 | foreach my $i ( 0 .. $alignment->{'length'} - 1 ) { |
95 | my @rankrdgs = map { $_->{'tokens'}->[$i]->{'t'} } |
96 | @{$alignment->{'alignment'}}; |
97 | push( @$rows, { 'rank' => $i+1, 'readings' => \@rankrdgs } ); |
98 | } |
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99 | $c->stash->{'witnesses'} = $wits; |
100 | $c->stash->{'table'} = $rows; |
101 | $c->stash->{'template'} = 'alignment.tt'; |
102 | } |
103 | |
104 | =head2 stemma |
105 | |
106 | GET /stemma/$textid |
107 | POST /stemma/$textid, { 'dot' => $dot_string } |
108 | |
109 | Returns an SVG representation of the stemma hypothesis for the text. If |
110 | the URL is called with POST and a new dot string, updates the stemma and |
111 | returns the SVG as with GET. |
112 | |
113 | =cut |
114 | |
115 | sub stemma :Local :Args(1) { |
116 | my( $self, $c, $textid ) = @_; |
117 | my $m = $c->model('Directory'); |
118 | my $tradition = $m->tradition( $textid ); |
119 | |
120 | if( $c->req->method eq 'POST' ) { |
121 | # Update the stemma |
122 | my $dot = $c->request->body_params->{'dot'}; |
123 | $tradition->add_stemma( $dot ); |
124 | $m->store( $tradition ); |
125 | } |
126 | |
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127 | $c->stash->{'result'} = $tradition->stemma_count |
128 | ? $tradition->stemma(0)->as_svg |
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129 | : ''; |
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130 | $c->forward('View::SVG'); |
131 | } |
132 | |
133 | =head2 stemmadot |
134 | |
135 | GET /stemmadot/$textid |
136 | |
137 | Returns the 'dot' format representation of the current stemma hypothesis. |
138 | |
139 | =cut |
140 | |
141 | sub stemmadot :Local :Args(1) { |
142 | my( $self, $c, $textid ) = @_; |
143 | my $m = $c->model('Directory'); |
144 | my $tradition = $m->tradition( $textid ); |
145 | |
146 | $c->response->body( $tradition->stemma->editable ); |
147 | $c->forward('View::Plain'); |
148 | } |
149 | |
150 | =head2 default |
151 | |
152 | Standard 404 error page |
153 | |
154 | =cut |
155 | |
156 | sub default :Path { |
157 | my ( $self, $c ) = @_; |
158 | $c->response->body( 'Page not found' ); |
159 | $c->response->status(404); |
160 | } |
161 | |
162 | =head2 end |
163 | |
164 | Attempt to render a view, if needed. |
165 | |
166 | =cut |
167 | |
168 | sub end : ActionClass('RenderView') {} |
169 | |
170 | =head1 AUTHOR |
171 | |
172 | Tara L Andrews |
173 | |
174 | =head1 LICENSE |
175 | |
176 | This library is free software. You can redistribute it and/or modify |
177 | it under the same terms as Perl itself. |
178 | |
179 | =cut |
180 | |
181 | __PACKAGE__->meta->make_immutable; |
182 | |
183 | 1; |