X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fstemmaweb%2FController%2FStexaminer.pm;h=80d8827529ac977ecb31b33a76c6e9d8aa685cb7;hb=847e1ac6bbf676c2a7c9356918ba95f6e98cea60;hp=309f8d6240e2c0193d66e89f78bdadb18bad3ef6;hpb=8603127ad78e554759b5d2c2a844371a04db4673;p=scpubgit%2Fstemmaweb.git

diff --git a/lib/stemmaweb/Controller/Stexaminer.pm b/lib/stemmaweb/Controller/Stexaminer.pm
index 309f8d6..80d8827 100644
--- a/lib/stemmaweb/Controller/Stexaminer.pm
+++ b/lib/stemmaweb/Controller/Stexaminer.pm
@@ -23,19 +23,21 @@ 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');
-    my $am = $c->model('Analysis');
 	my $tradition = $m->tradition( $textid );
+	my $ok = _check_permission( $c, $tradition );
+	return unless $ok;
 	if( $tradition->stemma_count ) {
-		my $stemma = $tradition->stemma(0);
+		my $stemma = $tradition->stemma( $stemid );
 		$c->stash->{svg} = $stemma->as_svg( { size => [ 600, 350 ] } );
 		$c->stash->{graphdot} = $stemma->editable({ linesep => ' ' });
 		$c->stash->{text_title} = $tradition->name;
@@ -43,21 +45,21 @@ sub index :Path :Args(1) {
 		
 		# Get the analysis options
 		my( $use_type1, $ignore_sort ) = ( 0, 'none' );
-		if( $c->req->method eq 'POST' ) {
-			$use_type1 = $c->req->param( 'show_type1' ) ? 1 : 0;
-			$ignore_sort = $c->req->param( 'ignore_variant' );
-		}
+		$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 %analysis_options = ( calcdir => $am );
-		$analysis_options{'exclude_type1'} = !$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' ) {
 			$analysis_options{'merge_types'} = 'orthographic';
 		}
-			
+
+		# Do the deed
 		my $t = run_analysis( $tradition, %analysis_options );
 		# Stringify the reading groups
 		foreach my $loc ( @{$t->{'variants'}} ) {
@@ -95,6 +97,23 @@ 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->response->body( 'You do not have permission to view this tradition' );
+	$c->forward('View::Plain');
+	return 0;
+}
+
 =head2 graphsvg
 
   POST stexaminer/graphsvg