1 package stemmaweb::Controller::Stexaminer;
3 use namespace::autoclean;
4 use Encode qw/ decode_utf8 /;
7 use Text::Tradition::Analysis qw/ run_analysis wit_stringify /;
8 use Text::Tradition::Collation;
9 use Text::Tradition::Stemma;
11 BEGIN { extends 'Catalyst::Controller' }
16 stemmaweb::Controller::Stexaminer - Simple controller for stemma display
20 The stemma analysis tool with the pretty colored table.
26 GET stexaminer/$textid
28 Renders the application for the text identified by $textid.
32 sub index :Path :Args(1) {
33 my( $self, $c, $textid ) = @_;
34 my $m = $c->model('Directory');
35 my $tradition = $m->tradition( $textid );
36 my $ok = _check_permission( $c, $tradition );
38 if( $tradition->stemma_count ) {
39 my $stemma = $tradition->stemma(0);
40 $c->stash->{svg} = $stemma->as_svg( { size => [ 600, 350 ] } );
41 $c->stash->{graphdot} = $stemma->editable({ linesep => ' ' });
42 $c->stash->{text_title} = $tradition->name;
43 $c->stash->{template} = 'stexaminer.tt';
45 # Get the analysis options
46 my( $use_type1, $ignore_sort ) = ( 0, 'none' );
47 $use_type1 = $c->req->param( 'show_type1' ) ? 1 : 0;
48 $ignore_sort = $c->req->param( 'ignore_variant' ) || '';
49 $c->stash->{'show_type1'} = $use_type1;
50 $c->stash->{'ignore_variant'} = $ignore_sort;
51 # TODO Run the analysis as AJAX from the loaded page.
52 my %analysis_options = ( exclude_type1 => !$use_type1 );
53 if( $ignore_sort eq 'spelling' ) {
54 $analysis_options{'merge_types'} = [ qw/ spelling orthographic / ];
55 } elsif( $ignore_sort eq 'orthographic' ) {
56 $analysis_options{'merge_types'} = 'orthographic';
60 my $t = run_analysis( $tradition, %analysis_options );
61 # Stringify the reading groups
62 foreach my $loc ( @{$t->{'variants'}} ) {
63 my $mst = wit_stringify( $loc->{'missing'} );
64 $loc->{'missing'} = $mst;
65 foreach my $rhash ( @{$loc->{'readings'}} ) {
66 my $gst = wit_stringify( $rhash->{'group'} );
67 $rhash->{'group'} = $gst;
68 _stringify_element( $rhash, 'independent_occurrence' );
69 _stringify_element( $rhash, 'reversions' );
70 unless( $rhash->{'text'} ) {
71 $rhash->{'text'} = $rhash->{'readingid'};
75 # Values for TT rendering
76 $c->stash->{variants} = $t->{'variants'};
77 $c->stash->{total} = $t->{'variant_count'};
78 $c->stash->{genealogical} = $t->{'genealogical_count'};
79 $c->stash->{conflict} = $t->{'conflict_count'};
80 # Also make a JSON stash of the data for the statistics tables
81 $c->stash->{reading_statistics} = to_json( $t->{'variants'} );
83 $c->stash->{error} = 'Tradition ' . $tradition->name
84 . 'has no stemma for analysis.';
88 sub _stringify_element {
89 my( $hash, $key ) = @_;
90 return undef unless exists $hash->{$key};
91 if( ref( $hash->{$key} ) eq 'ARRAY' ) {
92 my $str = join( ', ', @{$hash->{$key}} );
97 sub _check_permission {
98 my( $c, $tradition ) = @_;
99 my $user = $c->user_exists ? $c->user->get_object : undef;
101 $c->stash->{'permission'} = 'full'
102 if( $user->is_admin || $tradition->user->id eq $user->id );
104 } elsif( $tradition->public ) {
105 $c->stash->{'permission'} = 'readonly';
109 $c->response->status( 403 );
110 $c->response->body( 'You do not have permission to view this tradition.' );
111 $c->detach( 'View::Plain' );
118 POST stexaminer/graphsvg
119 dot: <stemmagraph dot string>
120 layerwits: [ <a.c. witnesses ]
122 Returns an SVG string of the given graph, extended to include the given
127 sub graphsvg :Local {
128 my( $self, $c ) = @_;
129 my $dot = $c->request->param('dot');
130 my @layerwits = $c->request->param('layerwits[]');
131 open my $stemma_fh, '<', \$dot;
132 binmode( $stemma_fh, ':encoding(UTF-8)' );
133 my $emptycoll = Text::Tradition::Collation->new();
134 my $tempstemma = Text::Tradition::Stemma->new(
135 collation => $emptycoll, 'dot' => $stemma_fh );
136 my $svgopts = { size => [ 600, 350 ] };
138 $svgopts->{'layerwits'} = \@layerwits;
140 $c->stash->{'result'} = $tempstemma->as_svg( $svgopts );
141 $c->forward('View::SVG');
146 Attempt to render a view, if needed.
150 sub end : ActionClass('RenderView') {}
158 This library is free software. You can redistribute it and/or modify
159 it under the same terms as Perl itself.
163 __PACKAGE__->meta->make_immutable;