package stemmaweb::Controller::Stexaminer;
use Moose;
use namespace::autoclean;
+use Encode qw/ decode_utf8 /;
use File::Temp;
use JSON;
use Text::Tradition::Analysis qw/ run_analysis wit_stringify /;
+use Text::Tradition::Stemma;
BEGIN { extends 'Catalyst::Controller' }
=head1 METHODS
- GET stexaminer/$textid
-
-Renders the application for the text identified by $textid.
-
=head2 index
+ GET stexaminer/$textid/$stemmaid
+
+Renders the application for the text identified by $textid, using the stemma
+graph identified by $stemmaid.
+
=cut
-sub index :Path :Args(1) {
- my( $self, $c, $textid ) = @_;
+sub index :Path :Args(2) {
+ my( $self, $c, $textid, $stemid ) = @_;
my $m = $c->model('Directory');
+ $c->stash->{template} = 'stexaminer.tt';
+
+ # Make sure the tradition exists and is viewable
my $tradition = $m->tradition( $textid );
+ unless( $tradition ) {
+ $c->response->status( 404 );
+ $c->stash->{'error'} = "No tradition with ID $textid";
+ return;
+ }
+ my $ok = _check_permission( $c, $tradition );
+ return unless $ok;
+
if( $tradition->stemma_count ) {
- my $stemma = $tradition->stemma(0);
- # TODO Think about caching the stemma in a session
- $c->stash->{svg} = $stemma->as_svg;
+ my $stemma = $tradition->stemma( $stemid );
+ my $svgstr = $stemma->as_svg();
+ $svgstr =~ s/\n/ /g;
+ $c->stash->{svg} = $svgstr;
+ $c->stash->{graphdot} = $stemma->editable({ linesep => ' ' });
+ $c->stash->{text_id} = $textid;
$c->stash->{text_title} = $tradition->name;
- $c->stash->{template} = 'stexaminer.tt';
+
+ # Get the analysis options
+ my( $use_type1, $ignore_sort ) = ( 0, 'none' );
+ $use_type1 = $c->req->param( 'show_type1' ) ? 1 : 0;
+ $ignore_sort = $c->req->param( 'ignore_variant' ) || '';
+ $c->stash->{'show_type1'} = $use_type1;
+ $c->stash->{'ignore_variant'} = $ignore_sort;
# TODO Run the analysis as AJAX from the loaded page.
- my $t = run_analysis( $tradition, 'exclude_type1' => 1 );
+ my %analysis_options = (
+ stemma_id => $stemid,
+ exclude_type1 => !$use_type1 );
+ if( $ignore_sort eq 'spelling' ) {
+ $analysis_options{'merge_types'} = [ qw/ spelling orthographic / ];
+ } elsif( $ignore_sort eq 'orthographic' ) {
+ $analysis_options{'merge_types'} = 'orthographic';
+ }
+
+ # Do the deed
+ my $t = run_analysis( $tradition, %analysis_options );
# Stringify the reading groups
foreach my $loc ( @{$t->{'variants'}} ) {
my $mst = wit_stringify( $loc->{'missing'} );
foreach my $rhash ( @{$loc->{'readings'}} ) {
my $gst = wit_stringify( $rhash->{'group'} );
$rhash->{'group'} = $gst;
+ _stringify_element( $rhash, 'independent_occurrence' );
+ _stringify_element( $rhash, 'reversions' );
+ unless( $rhash->{'text'} ) {
+ $rhash->{'text'} = $rhash->{'readingid'};
+ }
}
}
# Values for TT rendering
}
}
+sub _stringify_element {
+ my( $hash, $key ) = @_;
+ return undef unless exists $hash->{$key};
+ if( ref( $hash->{$key} ) eq 'ARRAY' ) {
+ my $str = join( ', ', @{$hash->{$key}} );
+ $hash->{$key} = $str;
+ }
+}
+
+sub _check_permission {
+ my( $c, $tradition ) = @_;
+ my $user = $c->user_exists ? $c->user->get_object : undef;
+ if( $user ) {
+ return 'full' if ( $user->is_admin ||
+ ( $tradition->has_user && $tradition->user->id eq $user->id ) );
+ }
+ # Text doesn't belong to us, so maybe it's public?
+ return 'readonly' if $tradition->public;
+
+ # ...nope. Forbidden!
+ $c->response->status( 403 );
+ $c->stash->{'error'} = 'You do not have permission to view this tradition';
+ return 0;
+}
+
+=head2 graphsvg
+
+ POST stexaminer/graphsvg
+ dot: <stemmagraph dot string>
+ layerwits: [ <a.c. witnesses ]
+
+Returns an SVG string of the given graph, extended to include the given
+layered witnesses.
+
+=cut
+
+sub graphsvg :Local {
+ my( $self, $c ) = @_;
+ my $dot = $c->request->param('dot');
+ my @layerwits = $c->request->param('layerwits[]');
+ open my $stemma_fh, '<', \$dot;
+ binmode( $stemma_fh, ':encoding(UTF-8)' );
+ my $tempstemma = Text::Tradition::Stemma->new( 'dot' => $stemma_fh );
+ my $svgopts = {};
+ if( @layerwits ) {
+ $svgopts->{'layerwits'} = \@layerwits;
+ }
+ $c->stash->{'result'} = $tempstemma->as_svg( $svgopts );
+ $c->forward('View::SVG');
+}
+
=head2 end
Attempt to render a view, if needed.