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1 | package stemmaweb::Controller::Stexaminer; |
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2 | use Moose; |
3 | use namespace::autoclean; |
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4 | use Encode qw/ decode_utf8 /; |
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5 | use File::Temp; |
6 | use JSON; |
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7 | use Text::Tradition::Analysis qw/ run_analysis wit_stringify /; |
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8 | use Text::Tradition::Collation; |
9 | use Text::Tradition::Stemma; |
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10 | |
11 | BEGIN { extends 'Catalyst::Controller' } |
12 | |
13 | |
14 | =head1 NAME |
15 | |
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16 | stemmaweb::Controller::Stexaminer - Simple controller for stemma display |
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17 | |
18 | =head1 DESCRIPTION |
19 | |
20 | The stemma analysis tool with the pretty colored table. |
21 | |
22 | =head1 METHODS |
23 | |
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24 | =head2 index |
25 | |
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26 | GET stexaminer/$textid |
27 | |
28 | Renders the application for the text identified by $textid. |
29 | |
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30 | =cut |
31 | |
32 | sub index :Path :Args(1) { |
33 | my( $self, $c, $textid ) = @_; |
34 | my $m = $c->model('Directory'); |
35 | my $tradition = $m->tradition( $textid ); |
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36 | if( $tradition->stemma_count ) { |
37 | my $stemma = $tradition->stemma(0); |
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38 | $c->stash->{svg} = $stemma->as_svg( { size => [ 600, 350 ] } ); |
39 | $c->stash->{graphdot} = $stemma->editable({ linesep => ' ' }); |
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40 | $c->stash->{text_title} = $tradition->name; |
41 | $c->stash->{template} = 'stexaminer.tt'; |
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42 | |
43 | # Get the analysis options |
44 | my( $use_type1, $ignore_sort ) = ( 0, 'none' ); |
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45 | $use_type1 = $c->req->param( 'show_type1' ) ? 1 : 0; |
46 | $ignore_sort = $c->req->param( 'ignore_variant' ) || ''; |
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47 | $c->stash->{'show_type1'} = $use_type1; |
48 | $c->stash->{'ignore_variant'} = $ignore_sort; |
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49 | # TODO Run the analysis as AJAX from the loaded page. |
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50 | my %analysis_options = ( exclude_type1 => !$use_type1 ); |
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51 | if( $ignore_sort eq 'spelling' ) { |
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52 | $analysis_options{'merge_types'} = [ qw/ spelling orthographic / ]; |
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53 | } elsif( $ignore_sort eq 'orthographic' ) { |
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54 | $analysis_options{'merge_types'} = 'orthographic'; |
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55 | } |
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56 | |
57 | # Do the deed |
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58 | my $t = run_analysis( $tradition, %analysis_options ); |
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59 | # Stringify the reading groups |
60 | foreach my $loc ( @{$t->{'variants'}} ) { |
61 | my $mst = wit_stringify( $loc->{'missing'} ); |
62 | $loc->{'missing'} = $mst; |
63 | foreach my $rhash ( @{$loc->{'readings'}} ) { |
64 | my $gst = wit_stringify( $rhash->{'group'} ); |
65 | $rhash->{'group'} = $gst; |
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66 | _stringify_element( $rhash, 'independent_occurrence' ); |
67 | _stringify_element( $rhash, 'reversions' ); |
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68 | unless( $rhash->{'text'} ) { |
69 | $rhash->{'text'} = $rhash->{'readingid'}; |
70 | } |
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71 | } |
72 | } |
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73 | # Values for TT rendering |
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74 | $c->stash->{variants} = $t->{'variants'}; |
75 | $c->stash->{total} = $t->{'variant_count'}; |
76 | $c->stash->{genealogical} = $t->{'genealogical_count'}; |
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77 | $c->stash->{conflict} = $t->{'conflict_count'}; |
78 | # Also make a JSON stash of the data for the statistics tables |
79 | $c->stash->{reading_statistics} = to_json( $t->{'variants'} ); |
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80 | } else { |
81 | $c->stash->{error} = 'Tradition ' . $tradition->name |
82 | . 'has no stemma for analysis.'; |
83 | } |
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84 | } |
85 | |
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86 | sub _stringify_element { |
87 | my( $hash, $key ) = @_; |
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88 | return undef unless exists $hash->{$key}; |
89 | if( ref( $hash->{$key} ) eq 'ARRAY' ) { |
90 | my $str = join( ', ', @{$hash->{$key}} ); |
91 | $hash->{$key} = $str; |
92 | } |
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93 | } |
94 | |
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95 | =head2 graphsvg |
96 | |
97 | POST stexaminer/graphsvg |
98 | dot: <stemmagraph dot string> |
99 | layerwits: [ <a.c. witnesses ] |
100 | |
101 | Returns an SVG string of the given graph, extended to include the given |
102 | layered witnesses. |
103 | |
104 | =cut |
105 | |
106 | sub graphsvg :Local { |
107 | my( $self, $c ) = @_; |
108 | my $dot = $c->request->param('dot'); |
109 | my @layerwits = $c->request->param('layerwits[]'); |
110 | open my $stemma_fh, '<', \$dot; |
111 | binmode( $stemma_fh, ':encoding(UTF-8)' ); |
112 | my $emptycoll = Text::Tradition::Collation->new(); |
113 | my $tempstemma = Text::Tradition::Stemma->new( |
114 | collation => $emptycoll, 'dot' => $stemma_fh ); |
115 | my $svgopts = { size => [ 600, 350 ] }; |
116 | if( @layerwits ) { |
117 | $svgopts->{'layerwits'} = \@layerwits; |
118 | } |
119 | $c->stash->{'result'} = $tempstemma->as_svg( $svgopts ); |
120 | $c->forward('View::SVG'); |
121 | } |
122 | |
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123 | =head2 end |
124 | |
125 | Attempt to render a view, if needed. |
126 | |
127 | =cut |
128 | |
129 | sub end : ActionClass('RenderView') {} |
130 | |
131 | =head1 AUTHOR |
132 | |
133 | Tara L Andrews |
134 | |
135 | =head1 LICENSE |
136 | |
137 | This library is free software. You can redistribute it and/or modify |
138 | it under the same terms as Perl itself. |
139 | |
140 | =cut |
141 | |
142 | __PACKAGE__->meta->make_immutable; |
143 | |
144 | 1; |