save created relationships; fix relative paths in css
[scpubgit/stemmatology.git] / stemmaweb / lib / stemmaweb / Controller / Relation.pm
index f4828e1..690f44e 100644 (file)
@@ -1,6 +1,7 @@
 package stemmaweb::Controller::Relation;
 use Moose;
 use namespace::autoclean;
+use TryCatch;
 
 BEGIN { extends 'Catalyst::Controller' }
 
@@ -11,31 +12,131 @@ stemmaweb::Controller::Relation - Controller for the relationship mapper
 
 =head1 DESCRIPTION
 
-The stemma analysis tool with the pretty colored table.
+The reading relationship mapper with draggable nodes.
 
 =head1 METHODS
 
+=head2 index
+
  GET relation/$textid
  
 Renders the application for the text identified by $textid.
 
-=head2 index
+=cut
 
-The relationship editor tool.
+sub index :Path :Args(0) {
+       my( $self, $c ) = @_;
+       $c->stash->{'template'} = 'relate.tt';
+}
+
+=head2 definitions
+
+ GET relation/definitions
+Returns a data structure giving the valid types and scopes for a relationship.
 
 =cut
 
-sub index :Path :Args(1) {
+sub definitions :Local :Args(0) {
+       my( $self, $c ) = @_;
+       my $valid_relationships = [ qw/ spelling orthographic grammatical meaning 
+                                                                       lexical transposition / ];
+       my $valid_scopes = [ qw/ local global / ];
+       $c->stash->{'result'} = { 'types' => $valid_relationships, 'scopes' => $valid_scopes };
+       $c->forward('View::JSON');
+}
+
+=head2 text
+
+ GET relation/$textid/
+ Runs the relationship mapper for the specified text ID.
+=cut
+
+sub text :Chained('/') :PathPart('relation') :CaptureArgs(1) {
        my( $self, $c, $textid ) = @_;
-       my $m = $c->model('Directory');
-       my $tradition = $m->tradition( $textid );
-       my $table = $tradition->collation->make_alignment_table();
-       my $witlist = map { $_->{'witness'} } @{$table->{'alignment'}};
-       $c->stash->{witnesses} = $witlist;
-       $c->stash->{alignment} = $table;
-       $c->stash->{template} = 'relate.tt';    
+       $c->stash->{'tradition'} = $c->model('Directory')->tradition( $textid );
+}
+
+sub main :Chained('text') :PathPart('') :Args(0) {
+       my( $self, $c ) = @_;
+       my $tradition = delete $c->stash->{'tradition'};
+       my $collation = $tradition->collation;
+       my $svg_str = $collation->as_svg;
+       $svg_str =~ s/\n//gs;
+       $c->stash->{'svg_string'} = $svg_str;
+       $c->stash->{'text_title'} = $tradition->name;
+       $c->stash->{'template'} = 'relate.tt';
+
 }
 
+=head2 relationships
+
+ GET $textid/relationships
+
+Returns the list of relationships defined for this text.
+
+ POST $textid/relationships { request }
+Attempts to define the requested relationship within the text. Returns 200 on
+success or 403 on error.
+
+ DELETE $textid/relationships { request }
+
+=cut
+
+sub relationships :Chained('text') :PathPart :Args(0) {
+       my( $self, $c ) = @_;
+       my $tradition = delete $c->stash->{'tradition'};
+       my $collation = $tradition->collation;
+       my $m = $c->model('Directory');
+       if( $c->request->method eq 'GET' ) {
+               my @pairs = $collation->relationships; # returns the edges
+               my @all_relations;
+               foreach my $p ( @pairs ) {
+                       my $relobj = $collation->relations->get_relationship( @$p );
+                       push( @all_relations, 
+                               { source => $p->[0], target => $p->[1], 
+                                 type => $relobj->type, scope => $relobj->scope } );
+               }
+               $c->stash->{'result'} = \@all_relations;
+       } elsif( $c->request->method eq 'POST' ) {
+               my $node = $c->request->param('source_id');
+               my $target = $c->request->param('target_id');
+               my $relation = $c->request->param('rel_type');
+               my $note = $c->request->param('note');
+               my $scope = $c->request->param('scope');
+       
+               my $opts = { 'type' => $relation,
+                                        'scope' => $scope };
+               
+               try {
+                       my @vectors = $collation->add_relationship( $node, $target, $opts );
+                       $c->stash->{'result'} = \@vectors;
+                       $m->save( $tradition );
+               } catch( Text::Tradition::Error $e ) {
+                       $c->response->status( '403' );
+                       $c->stash->{'result'} = { 'error' => $e->message };
+               }
+       } elsif( $c->request->method eq 'DELETE' ) {
+               my $node = $c->request->param('source_id');
+               my $target = $c->request->param('target_id');
+       
+               try {
+                       my @vectors = $collation->del_relationship( $node, $target );
+                       $m->save( $tradition );
+                       $c->stash->{'result'} = \@vectors;
+               } catch( Text::Tradition::Error $e ) {
+                       $c->response->status( '403' );
+                       $c->stash->{'result'} = { 'error' => $e->message };
+               }       
+       }
+       $c->forward('View::JSON');
+}              
+               
+
 =head2 end
 
 Attempt to render a view, if needed.