X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fstemmaweb%2FController%2FStexaminer.pm;h=ac4e005880e1a07540588b45b99c3c8042197236;hb=0844ddeebb042ac91b556b6c65da3d5abd61a161;hp=16c515fe84676b67630a2c5668bedbee11a2341e;hpb=ccbe93158a373b6b7202436400ba0c788a725d14;p=scpubgit%2Fstemmaweb.git

diff --git a/lib/stemmaweb/Controller/Stexaminer.pm b/lib/stemmaweb/Controller/Stexaminer.pm
index 16c515f..ac4e005 100644
--- a/lib/stemmaweb/Controller/Stexaminer.pm
+++ b/lib/stemmaweb/Controller/Stexaminer.pm
@@ -5,7 +5,6 @@ use Encode qw/ decode_utf8 /;
 use File::Temp;
 use JSON;
 use Text::Tradition::Analysis qw/ run_analysis wit_stringify /;
-use Text::Tradition::Collation;
 use Text::Tradition::Stemma;
 
 BEGIN { extends 'Catalyst::Controller' }
@@ -23,22 +22,40 @@ The stemma analysis tool with the pretty colored table.
 
 =head2 index
 
- GET stexaminer/$textid
+ GET stexaminer/$textid/$stemmaid
  
-Renders the application for the text identified by $textid.
+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 );
-	if( $tradition->stemma_count ) {
-		my $stemma = $tradition->stemma(0);
-		$c->stash->{svg} = $stemma->as_svg( { size => [ 600, 350 ] } );
+	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( $stemid eq 'help' ) {
+		# Just show the 'Help/About' popup.
+		$c->stash->{template} = 'stexaminer_help.tt';
+		$c->stash->{text_id} = $textid;
+	} elsif( $tradition->stemma_count ) {
+		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' );
@@ -47,7 +64,9 @@ sub index :Path :Args(1) {
 		$c->stash->{'show_type1'} = $use_type1;
 		$c->stash->{'ignore_variant'} = $ignore_sort;
 		# TODO Run the analysis as AJAX from the loaded page.
-		my %analysis_options = ( exclude_type1 => !$use_type1 );
+		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' ) {
@@ -92,6 +111,22 @@ sub _stringify_element {
 	}
 }
 
+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
@@ -109,10 +144,8 @@ sub graphsvg :Local {
 	my @layerwits = $c->request->param('layerwits[]');
 	open my $stemma_fh, '<', \$dot;
 	binmode( $stemma_fh, ':encoding(UTF-8)' );
-	my $emptycoll = Text::Tradition::Collation->new();
-	my $tempstemma = Text::Tradition::Stemma->new( 
-		collation => $emptycoll, 'dot' => $stemma_fh );
-	my $svgopts = { size => [ 600, 350 ] };
+	my $tempstemma = Text::Tradition::Stemma->new( 'dot' => $stemma_fh );
+	my $svgopts = {};
 	if( @layerwits ) {
 		$svgopts->{'layerwits'} = \@layerwits;
 	}