package stemmaweb::Controller::Relation;
+use JSON qw/ to_json from_json /;
use Moose;
+use Moose::Util::TypeConstraints qw/ find_type_constraint /;
+use Module::Load;
use namespace::autoclean;
+use Text::Tradition::Datatypes;
use TryCatch;
BEGIN { extends 'Catalyst::Controller' }
+sub throw {
+ Text::Tradition::Error->throw(
+ 'ident' => 'Collation error',
+ 'message' => $_[0],
+ );
+}
+
+
=head1 NAME
stemmaweb::Controller::Relation - Controller for the relationship mapper
=cut
-sub index :Path :Args(1) {
+sub index :Path :Args(0) {
+ my( $self, $c ) = @_;
+ $c->stash->{'template'} = 'relate.tt';
+}
+
+=head2 text
+
+ GET relation/$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 $tradition = $c->model('Directory')->tradition( $textid );
+ unless( $tradition ) {
+ $c->response->status('404');
+ $c->response->body("No such tradition with ID $textid");
+ $c->detach('View::Plain');
+ return;
+ }
+
+ # Account for a bad interaction between FastCGI and KiokuDB
+ unless( $tradition->collation->tradition ) {
+ $c->log->warn( "Fixing broken tradition link" );
+ $tradition->collation->_set_tradition( $tradition );
+ $c->model('Directory')->save( $tradition );
+ }
+ # Check permissions. Will return 403 if denied, otherwise will
+ # put the appropriate value in the stash.
+ my $ok = _check_permission( $c, $tradition );
+ return unless $ok;
+
+ $c->stash->{'textid'} = $textid;
+ $c->stash->{'tradition'} = $tradition;
+}
+
+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;
+
+ # Stash text direction to use in JS.
+ $c->stash->{'direction'} = $collation->direction;
+
+ # Stash the relationship definitions
+ $c->stash->{'relationship_scopes'} =
+ to_json( find_type_constraint( 'RelationshipScope' )->values );
+ $c->stash->{'ternary_values'} =
+ to_json( find_type_constraint( 'Ternary' )->values );
+ my @reltypeinfo;
+ foreach my $type ( sort { _typesort( $a, $b ) } $collation->relations->types ) {
+ next if $type->is_weak;
+ my $struct = { name => $type->name, description => $type->description };
+ push( @reltypeinfo, $struct );
+ }
+ $c->stash->{'relationship_types'} = to_json( \@reltypeinfo );
+
+ # See how big the tradition is. Edges are more important than nodes
+ # when it comes to rendering difficulty.
+ my $numnodes = scalar $collation->readings;
+ my $numedges = scalar $collation->paths;
+ my $length = $collation->end->rank;
+ # We should display no more than roughly 500 nodes, or roughly 700
+ # edges, at a time.
+ my $segments = $numnodes / 500;
+ if( $numedges / 700 > $segments ) {
+ $segments = $numedges / 700;
+ }
+ my $segsize = sprintf( "%.0f", $length / $segments );
+ my $margin = sprintf( "%.0f", $segsize / 10 );
+ if( $segments > 1 ) {
+ # Segment the tradition in order not to overload the browser.
+ my @divs;
+ my $r = 0;
+ while( $r + $margin < $length ) {
+ push( @divs, $r );
+ $r += $segsize;
+ }
+ $c->stash->{'textsegments'} = [];
+ foreach my $i ( 0..$#divs ) {
+ my $seg = { 'start' => $divs[$i] };
+ $seg->{'display'} = "Segment " . ($i+1);
+ push( @{$c->stash->{'textsegments'}}, $seg );
+ }
+ }
+ my $startseg = $c->req->param('start');
+ my $svgopts;
+ if( $startseg ) {
+ # Only render the subgraph from startseg to endseg or to END,
+ # whichever is less.
+ my $endseg = $startseg + $segsize + $margin;
+ $svgopts = { 'from' => $startseg };
+ $svgopts->{'to'} = $endseg if $endseg < $collation->end->rank;
+ } elsif( exists $c->stash->{'textsegments'} ) {
+ # This is the unqualified load of a long tradition. We implicitly start
+ # at zero, but go only as far as our segment size.
+ my $endseg = $segsize + $margin;
+ $startseg = 0;
+ $svgopts = { 'to' => $endseg };
+ }
+ # Spit out the SVG
+ my $svg_str = $collation->as_svg( $svgopts );
$svg_str =~ s/\n//gs;
+ $c->stash->{'startseg'} = $startseg if defined $startseg;
$c->stash->{'svg_string'} = $svg_str;
+ $c->stash->{'text_title'} = $tradition->name;
+ if( $tradition->can('language') && $tradition->language ) {
+ $c->stash->{'text_lang'} = $tradition->language;
+ $c->stash->{'can_morphologize'} = 1;
+ } else {
+ $c->stash->{'text_lang'} = 'Default';
+ }
$c->stash->{'template'} = 'relate.tt';
}
-sub dispatcher :Path :Args(2) {
- my( $self, $c, $textid, $forward ) = @_;
- $c->stash->{'collation'} = $c->model('Directory')->tradition( $textid )->collation;
- $c->forward( $forward );
+sub _typesort {
+ my( $a, $b ) = @_;
+ my $blsort = $a->bindlevel <=> $b->bindlevel;
+ return $blsort if $blsort;
+ return $a->name cmp $b->name;
+}
+
+=head2 help
+
+ GET relation/help/$language
+
+Returns the help window HTML.
+
+=cut
+
+sub help :Local :Args(1) {
+ my( $self, $c, $lang ) = @_;
+ # Display the morphological help for the language if it is defined.
+ if( $lang && $lang ne 'Default' ) {
+ my $mod = 'Text::Tradition::Language::' . $lang;
+ try {
+ load( $mod );
+ } catch {
+ $c->log->debug("Warning: could not load $mod");
+ }
+ my $has_mod = $mod->can('morphology_tags');
+ if( $has_mod ) {
+ my $tagset = &$has_mod;
+ $c->stash->{'tagset'} = $tagset;
+ }
+ }
+ $c->stash->{'template'} = 'relatehelp.tt';
}
-=head2 relationship_definition
+=head2 relationships
+
+ GET relation/$textid/relationships
+
+Returns the list of relationships defined for this text.
+
+ POST relation/$textid/relationships { request }
+
+Attempts to define the requested relationship within the text. Returns 200 on
+success or 403 on error.
- GET relation/relationship_definition
+ DELETE relation/$textid/relationships { request }
-Returns a data structure giving the valid types and scopes for a relationship.
=cut
-sub relationship_definition :Local :Args(0) {
+sub relationships :Chained('text') :PathPart :Args(0) {
my( $self, $c ) = @_;
- my $valid_relationships = [ qw/ spelling orthographic grammatical meaning / ];
- my $valid_scopes = [ qw/ local global / ];
- $c->stash->{'result'} = { 'types' => $valid_relationships, 'scopes' => $valid_scopes };
+ my $tradition = delete $c->stash->{'tradition'};
+ my $ok = _check_permission( $c, $tradition );
+ return unless $ok;
+ 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 );
+ next if $relobj->type eq 'collated'; # Don't show these
+ next if $p->[0] eq $p->[1]; # HACK until bugfix
+ my $relhash = { source_id => $p->[0], target_id => $p->[1],
+ source_text => $collation->reading( $p->[0] )->text,
+ target_text => $collation->reading( $p->[1] )->text,
+ type => $relobj->type, scope => $relobj->scope,
+ a_derivable_from_b => $relobj->a_derivable_from_b,
+ b_derivable_from_a => $relobj->b_derivable_from_a,
+ non_independent => $relobj->non_independent,
+ is_significant => $relobj->is_significant
+ };
+ $relhash->{'note'} = $relobj->annotation if $relobj->has_annotation;
+ push( @all_relations, $relhash );
+ }
+ $c->stash->{'result'} = \@all_relations;
+ } else {
+ # Check write permissions first of all
+ if( $c->stash->{'permission'} ne 'full' ) {
+ $c->response->status( '403' );
+ $c->stash->{'result'} = {
+ 'error' => 'You do not have permission to modify this tradition.' };
+ $c->detach( 'View::JSON' );
+ } elsif( $c->request->method eq 'POST' ) {
+ my $opts = $c->request->params;
+
+ # Retrieve the source / target from the options
+ my $node = delete $opts->{source_id};
+ my $target = delete $opts->{target_id};
+
+ # Make sure we didn't send a blank or invalid relationship type
+ my $relation = $opts->{type};
+ unless( $collation->get_relationship_type( $relation ) ) {
+ my $errmsg = $relation ? "No such relationship type $relation" :
+ "You must specify a relationship type";
+ $c->stash->{'result'} = { error => $errmsg };
+ $c->response->status( '400' );
+ $c->detach( 'View::JSON' );
+ }
+
+ # Keep the data clean
+ my @booleans = qw/ a_derivable_from_b b_derivable_from_a non_independent /;
+ foreach my $k ( keys %$opts ) {
+ if( $opts->{$k} && grep { $_ eq $k } @booleans ) {
+ $opts->{$k} = 1;
+ }
+ }
+
+ delete $opts->{scope} unless $opts->{scope};
+ delete $opts->{annotation} unless $opts->{annotation};
+ delete $opts->{is_significant} unless $opts->{is_significant};
+ $opts->{propagate} = 1;
+
+ 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 };
+ } catch {
+ $c->response->status( '500' );
+ $c->stash->{'result'} = { error => "Something went wrong with the request" };
+ }
+ } elsif( $c->request->method eq 'DELETE' ) {
+ my $node = $c->request->param('source_id');
+ my $target = $c->request->param('target_id');
+ my $scopewide = $c->request->param('scopewide')
+ && $c->request->param('scopewide') eq 'true';
+ try {
+ my @vectors = $collation->del_relationship( $node, $target, $scopewide );
+ $m->save( $tradition );
+ $c->stash->{'result'} = \@vectors;
+ } catch( Text::Tradition::Error $e ) {
+ $c->response->status( '403' );
+ $c->stash->{'result'} = { 'error' => $e->message };
+ } catch {
+ $c->response->status( '500' );
+ $c->stash->{'result'} = { error => "Something went wrong with the request" };
+ }
+ }
+ }
$c->forward('View::JSON');
}
-=head2 set_relationship
+=head2 readings
- POST relation/$textid/relationship
- source_id: $source, target_id: $target, rel_type: $type, scope: $scope
-
-Sets the specified relationship between the readings in $source and $target.
-Returns 200 and a list of node pairs where the relationship was added on success;
-returns 403 and an { error: message } struct on failure.
+ GET relation/$textid/readings
+
+Returns the list of readings defined for this text along with their metadata.
=cut
-sub relationship :Private {
+my %read_write_keys = (
+ 'id' => 0,
+ 'text' => 0,
+ 'is_meta' => 0,
+ 'grammar_invalid' => 1,
+ 'is_nonsense' => 1,
+ 'normal_form' => 1,
+);
+
+sub _reading_struct {
+ my( $reading ) = @_;
+ # Return a JSONable struct of the useful keys. Keys meant to be writable
+ # have a true value; read-only keys have a false value.
+ my $struct = {};
+ map { $struct->{$_} = $reading->$_ if $reading->can( $_ ) } keys( %read_write_keys );
+ # Special case
+ $struct->{'lexemes'} = $reading->can( 'lexemes' ) ? [ $reading->lexemes ] : [];
+ # Look up any words related via spelling or orthography
+ my $sameword = sub {
+ my $t = $_[0]->type;
+ return $t eq 'spelling' || $t eq 'orthographic';
+ };
+ # Now add the list data
+ $struct->{'variants'} = [ map { $_->text } $reading->related_readings( $sameword ) ];
+ $struct->{'witnesses'} = [ $reading->witnesses ];
+ return $struct;
+}
+
+sub readings :Chained('text') :PathPart :Args(0) {
my( $self, $c ) = @_;
- my $collation = delete $c->stash->{'collation'};
- 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;
- } catch( Text::Tradition::Error $e ) {
- $c->response->status( '403' );
- $c->stash->{'result'} = { 'error' => $e->message };
+ my $tradition = delete $c->stash->{'tradition'};
+ my $ok = _check_permission( $c, $tradition );
+ return unless $ok;
+ my $collation = $tradition->collation;
+ my $m = $c->model('Directory');
+ if( $c->request->method eq 'GET' ) {
+ my $rdginfo = {};
+ foreach my $rdg ( $collation->readings ) {
+ $rdginfo->{$rdg->id} = _reading_struct( $rdg );
+ }
+ $c->stash->{'result'} = $rdginfo;
}
$c->forward('View::JSON');
}
-=head2 relationships
+=head2 reading
- GET relation/$textid/relationships
+ GET relation/$textid/reading/$id
-Returns a list of relationships that exist in the specified text. Each
-relationship is returned in a struct that looks like:
+Returns the list of readings defined for this text along with their metadata.
-{ source: $sid, target: $tid, type: $rel_type, scope: $rel_scope }
+ POST relation/$textid/reading/$id { request }
+
+Alters the reading according to the values in request. Returns 403 Forbidden if
+the alteration isn't allowed.
=cut
-sub get_relationships :Private {
+sub reading :Chained('text') :PathPart :Args(1) {
+ my( $self, $c, $reading_id ) = @_;
+ my $tradition = delete $c->stash->{'tradition'};
+ my $collation = $tradition->collation;
+ my $rdg = $collation->reading( $reading_id );
+ my $m = $c->model('Directory');
+ if( $c->request->method eq 'GET' ) {
+ $c->stash->{'result'} = $rdg ? _reading_struct( $rdg )
+ : { 'error' => "No reading with ID $reading_id" };
+ } elsif ( $c->request->method eq 'POST' ) {
+ if( $c->stash->{'permission'} ne 'full' ) {
+ $c->response->status( '403' );
+ $c->stash->{'result'} = {
+ 'error' => 'You do not have permission to modify this tradition.' };
+ $c->detach('View::JSON');
+ return;
+ }
+ my $errmsg;
+ if( $rdg && $rdg->does('Text::Tradition::Morphology') ) {
+ # Are we re-lemmatizing?
+ if( $c->request->param('relemmatize') ) {
+ my $nf = $c->request->param('normal_form');
+ # TODO throw error unless $nf
+ $rdg->normal_form( $nf );
+ # TODO throw error if lemmatization fails
+ # TODO skip this if normal form hasn't changed
+ $rdg->lemmatize();
+ } else {
+ # Set all the values that we have for the reading.
+ # TODO error handling
+ foreach my $p ( keys %{$c->request->params} ) {
+ if( $p =~ /^morphology_(\d+)$/ ) {
+ # Set the form on the correct lexeme
+ my $morphval = $c->request->param( $p );
+ next unless $morphval;
+ my $midx = $1;
+ my $lx = $rdg->lexeme( $midx );
+ my $strrep = $rdg->language . ' // ' . $morphval;
+ my $idx = $lx->has_form( $strrep );
+ unless( defined $idx ) {
+ # Make the word form and add it to the lexeme.
+ try {
+ $idx = $lx->add_matching_form( $strrep ) - 1;
+ } catch( Text::Tradition::Error $e ) {
+ $c->response->status( '403' );
+ $errmsg = $e->message;
+ } catch {
+ # Something else went wrong, probably a Moose error
+ $c->response->status( '500' );
+ $errmsg = 'Something went wrong with the request';
+ }
+ }
+ $lx->disambiguate( $idx ) if defined $idx;
+ } elsif( $read_write_keys{$p} ) {
+ my $val = _clean_booleans( $rdg, $p, $c->request->param( $p ) );
+ $rdg->$p( $val );
+ }
+ }
+ }
+ $m->save( $rdg );
+ } else {
+ $errmsg = "Reading does not exist or cannot be morphologized";
+ }
+ $c->stash->{'result'} = $errmsg ? { 'error' => $errmsg }
+ : _reading_struct( $rdg );
+
+ }
+ $c->forward('View::JSON');
+
+}
+
+sub compress :Chained('text') :PathPart :Args(0) {
my( $self, $c ) = @_;
- my $collation = delete $c->stash->{'collation'};
- # TODO make this API
- 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 } );
+ my $tradition = delete $c->stash->{'tradition'};
+ my $collation = $tradition->collation;
+ my $m = $c->model('Directory');
+
+ my @rids = $c->request->param('readings[]');
+ my @readings;
+
+ foreach my $rid (@rids) {
+ my $rdg = $collation->reading( $rid );
+
+ push @readings, $rdg;
+ }
+
+ my $len = scalar @readings;
+
+ if( $c->request->method eq 'POST' ) {
+ if( $c->stash->{'permission'} ne 'full' ) {
+ $c->response->status( '403' );
+ $c->stash->{'result'} = {
+ 'error' => 'You do not have permission to modify this tradition.' };
+ $c->detach('View::JSON');
+ return;
+ }
+
+ # Sanity check: first save the original text of each witness.
+ my %origtext;
+ foreach my $wit ( $tradition->witnesses ) {
+ $origtext{$wit->sigil} = $collation->path_text( $wit->sigil );
+ if( $wit->is_layered ) {
+ my $acsig = $wit->sigil . $collation->ac_label;
+ $origtext{$acsig} = $collation->path_text( $acsig );
+ }
+ }
+
+ my $first = 0;
+
+ for (my $i = 0; $i < $len; $i++) {
+ my $rdg = $readings[$i];
+
+ if ($rdg->is_combinable) {
+ $first = $i;
+ last;
+ }
+ }
+
+ my @nodes;
+ push @nodes, "$readings[$first]";
+
+ for (my $i = $first+1; $i < $len; $i++) {
+ my $rdg = $readings[$first];
+ my $next = $readings[$i];
+
+ last unless $next->is_combinable;
+ push @nodes, "$next";
+
+ try {
+ $collation->merge_readings( "$rdg", "$next", 1 );
+ } catch ($e) {
+ $c->stash->{result} = {
+ error_msg => $e->message,
+ };
+
+ $c->detach('View::JSON');
+ }
+ }
+
+ try {
+ # Finally, make sure we haven't screwed anything up.
+ foreach my $wit ( $tradition->witnesses ) {
+ my $pathtext = $collation->path_text( $wit->sigil );
+ throw( "Text differs for witness " . $wit->sigil )
+ unless $pathtext eq $origtext{$wit->sigil};
+ if( $wit->is_layered ) {
+ my $acsig = $wit->sigil . $collation->ac_label;
+ $pathtext = $collation->path_text( $acsig );
+ throw( "Layered text differs for witness " . $wit->sigil )
+ unless $pathtext eq $origtext{$acsig};
+ }
+ }
+ } catch ($e) {
+ $c->stash->{result} = {
+ error_msg => $e->message,
+ };
+
+ $c->detach('View::JSON');
+ }
+
+
+ $collation->relations->rebuild_equivalence();
+ $collation->calculate_ranks();
+
+ $m->save($collation);
+
+
+ $c->stash->{'result'} = {
+ success => 1,
+ nodes => \@nodes,
+ };
+
+ $c->forward('View::JSON');
+ }
+}
+
+=head2 merge
+
+ POST relation/$textid/merge { data }
+
+Merges the requested readings, combining the witnesses of both readings into
+the target reading. All non-conflicting source relationships are inherited by
+the target relationship.
+
+=cut
+
+sub merge :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 'POST' ) {
+ if( $c->stash->{'permission'} ne 'full' ) {
+ $c->response->status( '403' );
+ $c->stash->{'result'} = {
+ 'error' => 'You do not have permission to modify this tradition.' };
+ $c->detach('View::JSON');
+ return;
+ }
+ my $errmsg;
+ my $response;
+
+ my $main = $c->request->param('target_id');
+ my $second = $c->request->param('source_id');
+ # Find the common successor of these, so that we can detect other
+ # potentially identical readings.
+ my $csucc = $collation->common_successor( $main, $second );
+
+ # Try the merge if these are parallel readings.
+ if( $csucc->id eq $main || $csucc->id eq $second ) {
+ $errmsg = "Cannot merge readings in the same path";
+ } else {
+ try {
+ $collation->merge_readings( $main, $second );
+ } catch( Text::Tradition::Error $e ) {
+ $c->response->status( '403' );
+ $errmsg = $e->message;
+ } catch {
+ # Something else went wrong, probably a Moose error
+ $c->response->status( '403' );
+ $errmsg = 'Something went wrong with the request';
+ }
+ }
+
+ # Look for readings that are now identical.
+ if( $errmsg ) {
+ $response = { status => 'error', error => $errmsg };
+ } else {
+ $response = { status => 'ok' };
+ unless( $c->request->param('single') ) {
+ my @identical = $collation->identical_readings(
+ start => $main, end => $csucc->id );
+ if( @identical ) {
+ $response->{'checkalign'} = [
+ map { [ $_->[0]->id, $_->[1]->id ] } @identical ];
+ }
+ }
+ $m->save( $collation );
+ }
+ $c->stash->{'result'} = $response;
+ $c->forward('View::JSON');
+ }
+}
+
+=head2 duplicate
+
+ POST relation/$textid/duplicate { data }
+
+Duplicates the requested readings, detaching the witnesses specified in
+the list to use the new reading(s) instead of the old. The data to be
+passed should be a JSON structure:
+
+ { readings: rid1,rid2,rid3,...
+ witnesses: [ wit1, ... ] }
+
+=cut
+
+sub duplicate :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 'POST' ) {
+ if( $c->stash->{'permission'} ne 'full' ) {
+ $c->response->status( '403' );
+ $c->stash->{'result'} = {
+ 'error' => 'You do not have permission to modify this tradition.' };
+ $c->detach('View::JSON');
+ return;
+ }
+ my $errmsg;
+ my $response = {};
+ # Sort out which readings need to be duplicated from the set given, and
+ # ensure that all the given wits bear each relevant reading.
+
+ my %wits = ();
+ map { $wits{$_} = 1 } $c->request->param('witnesses[]');
+ my %rdgranks = ();
+ foreach my $rid ( $c->request->param('readings[]') ) {
+ my $numwits = 0;
+ my $rdg = $collation->reading( $rid );
+ foreach my $rwit ( $rdg->witnesses( $rid ) ) {
+ $numwits++ if exists $wits{$rwit};
+ }
+ next unless $numwits; # Disregard readings with none of our witnesses
+ if( $numwits < keys( %wits ) ) {
+ $errmsg = "Reading $rid contains some but not all of the specified witnesses.";
+ last;
+ } elsif( exists $rdgranks{ $rdg->rank } ) {
+ $errmsg = "More than one reading would be detached along with $rid at rank " . $rdg->rank;
+ last;
+ } else {
+ $rdgranks{ $rdg->rank } = $rid;
+ }
+ }
+
+ # Now check that the readings make a single sequence.
+ unless( $errmsg ) {
+ my $prior;
+ foreach my $rank ( sort { $a <=> $b } keys %rdgranks ) {
+ my $rid = $rdgranks{$rank};
+ if( $prior ) {
+ # Check that there is only one path between $prior and $rdg.
+ foreach my $wit ( keys %wits ) {
+ unless( $collation->prior_reading( $rid, $wit ) eq $prior ) {
+ $errmsg = "Diverging witness paths from $prior to $rid at $wit";
+ last;
+ }
+ }
+ }
+ $prior = $rid;
+ }
+ }
+
+ # Abort if we've run into a problem.
+ if( $errmsg ) {
+ $c->stash->{'result'} = { 'error' => $errmsg };
+ $c->response->status( '403' );
+ $c->forward('View::JSON');
+ return;
+ }
+
+ # Otherwise, do the dirty work.
+ my @witlist = keys %wits;
+ my @deleted_relations;
+ foreach my $rank ( sort { $a <=> $b } keys %rdgranks ) {
+ my $newrdg;
+ my $reading_id = $rdgranks{$rank};
+ my @delrels;
+ try {
+ ( $newrdg, @delrels ) =
+ $collation->duplicate_reading( $reading_id, @witlist );
+ } catch( Text::Tradition::Error $e ) {
+ $c->response->status( '403' );
+ $errmsg = $e->message;
+ } catch {
+ # Something else went wrong, probably a Moose error
+ $c->response->status( '500' );
+ $errmsg = 'Something went wrong with the request';
+ }
+ if( $newrdg ) {
+ my $data = _reading_struct( $newrdg );
+ $data->{'orig_rdg'} = $reading_id;
+ $response->{"$newrdg"} = $data;
+ push( @deleted_relations, @delrels );
+ }
+ }
+ if( $errmsg ) {
+ $c->stash->{'result'} = { 'error' => $errmsg };
+ } else {
+ $m->save( $collation );
+ $response->{'DELETED'} = \@deleted_relations;
+ $c->stash->{'result'} = $response;
+ }
}
- $c->stash->{'result'} = \@all_relations;
$c->forward('View::JSON');
-}
+}
+
+sub _check_permission {
+ my( $c, $tradition ) = @_;
+ my $user = $c->user_exists ? $c->user->get_object : undef;
+ # Does this user have access?
+ if( $user ) {
+ if( $user->is_admin ||
+ ( $tradition->has_user && $tradition->user->id eq $user->id ) ) {
+ $c->stash->{'permission'} = 'full';
+ return 1;
+ }
+ }
+ # Is it public?
+ if( $tradition->public ) {
+ $c->stash->{'permission'} = 'readonly';
+ return 1;
+ }
+ # Forbidden!
+ $c->response->status( 403 );
+ $c->response->body( 'You do not have permission to view this tradition.' );
+ $c->detach( 'View::Plain' );
+ return 0;
+}
+
+sub _clean_booleans {
+ my( $obj, $param, $val ) = @_;
+ if( $obj->meta->get_attribute( $param )->type_constraint->name eq 'Bool' ) {
+ $val = 1 if $val eq 'true';
+ $val = undef if $val eq 'false';
+ }
+ return $val;
+}
+
=head2 end
Attempt to render a view, if needed.
projects / scpubgit/stemmaweb.git / blobdiff