[scpubgit/stemmaweb.git] / lib / stemmaweb / Controller / Relation.pm

package stemmaweb::Controller::Relation;
use Moose;
use Module::Load;
use namespace::autoclean;
use TryCatch;

BEGIN { extends 'Catalyst::Controller' }


=head1 NAME

stemmaweb::Controller::Relation - Controller for the relationship mapper

=head1 DESCRIPTION

The reading relationship mapper with draggable nodes.

=head1 METHODS

=head2 index

 GET relation/$textid
 
Renders the application for the text identified by $textid.

=cut

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 definitions :Local :Args(0) {
	my( $self, $c ) = @_;
	my $valid_relationships = [ qw/ spelling orthographic grammatical 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 ) = @_;
	# If the tradition has more than 500 ranks or so, split it up.
	my $tradition = $c->model('Directory')->tradition( $textid );
    # 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 );
    }
	# See how big the tradition is. Edges are more important than nodes
	# when it comes to rendering difficulty.
	my $numnodes = scalar $tradition->collation->readings;
	my $numedges = scalar $tradition->collation->paths;
	my $length = $tradition->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'} = [];
		$c->stash->{'segsize'} = $segsize;
		$c->stash->{'margin'} = $margin;
		foreach my $i ( 0..$#divs ) {
			my $seg = { 'start' => $divs[$i] };
			$seg->{'display'} = "Segment " . ($i+1);
			push( @{$c->stash->{'textsegments'}}, $seg );
		}
	}
	$c->stash->{'textid'} = $textid;
	$c->stash->{'tradition'} = $tradition;
}

sub main :Chained('text') :PathPart('') :Args(0) {
	my( $self, $c ) = @_;
	my $startseg = $c->req->param('start');
	my $tradition = delete $c->stash->{'tradition'};
	my $collation = $tradition->collation;
	my $svgopts;
	if( $startseg ) {
		# Only render the subgraph from startseg to endseg or to END,
		# whichever is less.
		my $endseg = $startseg + $c->stash->{'segsize'} + $c->stash->{'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 550.
		my $endseg = $c->stash->{'segsize'} + $c->stash->{'margin'};
		$startseg = 0;
		$svgopts = { 'to' => $endseg };
	}
	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;
	$c->stash->{'text_lang'} = $tradition->language;
	$c->stash->{'template'} = 'relate.tt';
}

=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 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.

 DELETE relation/$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 );
			next if $relobj->type eq 'collated'; # Don't show these
			next if $p->[0] eq $p->[1]; # HACK until bugfix
			my $relhash = { source => $p->[0], target => $p->[1], 
				  type => $relobj->type, scope => $relobj->scope };
			$relhash->{'note'} = $relobj->annotation if $relobj->has_annotation;
			push( @all_relations, $relhash );
		}
		$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 };
		$opts->{'annotation'} = $note if $note;
		
		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 readings

 GET relation/$textid/readings

Returns the list of readings defined for this text along with their metadata.

=cut

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 { $struct->{$_} = $reading->$_ } keys( %read_write_keys );
	# Special case
	$struct->{'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';
	};
	my @variants;
	foreach my $sr ( $reading->related_readings( $sameword ) ) {
		push( @variants, $sr->text );
	}
	$struct->{'variants'} = \@variants;
	return $struct;
}

sub readings :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 $rdginfo = {};
		foreach my $rdg ( $collation->readings ) {
			$rdginfo->{$rdg->id} = _reading_struct( $rdg );
		}
		$c->stash->{'result'} = $rdginfo;
	}
	$c->forward('View::JSON');
}

=head2 reading

 GET relation/$textid/reading/$id

Returns the list of readings defined for this text along with their metadata.

 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 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' ) {
		my $errmsg;
		# 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( '403' );
							$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 );
		$c->stash->{'result'} = $errmsg ? { 'error' => $errmsg }
			: _reading_struct( $rdg );

	}
	$c->forward('View::JSON');

}

sub _clean_booleans {
	my( $rdg, $param, $val ) = @_;
	if( $rdg->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.

=cut

sub end : ActionClass('RenderView') {}

=head1 AUTHOR

Tara L Andrews

=head1 LICENSE

This library is free software. You can redistribute it and/or modify
it under the same terms as Perl itself.

=cut

__PACKAGE__->meta->make_immutable;

1;
Commit	Line	Data
b8a92065	1	package stemmaweb::Controller::Relation;
b8a92065	2	use Moose;
cc86fa11	3	use Module::Load;
b8a92065	4	use namespace::autoclean;
b28e606e	5	use TryCatch;
b8a92065	6
	7	BEGIN { extends 'Catalyst::Controller' }
	8
	9
	10	=head1 NAME
	11
	12	stemmaweb::Controller::Relation - Controller for the relationship mapper
	13
	14	=head1 DESCRIPTION
	15
b28e606e	16	The reading relationship mapper with draggable nodes.
b8a92065	17
	18	=head1 METHODS
	19
b28e606e	20	=head2 index
b28e606e	21
b8a92065	22	GET relation/$textid
	23
	24	Renders the application for the text identified by $textid.
	25
b8a92065	26	=cut
b8a92065	27
9529f69c	28	sub index :Path :Args(0) {
9529f69c	29	my( $self, $c ) = @_;
b28e606e	30	$c->stash->{'template'} = 'relate.tt';
	31	}
	32
9529f69c	33	=head2 definitions
b28e606e	34
9c2e7b80	35	GET relation/definitions
b28e606e	36
	37	Returns a data structure giving the valid types and scopes for a relationship.
	38
	39	=cut
	40
9c2e7b80	41	sub definitions :Local :Args(0) {
b28e606e	42	my( $self, $c ) = @_;
17b660e6	43	my $valid_relationships = [ qw/ spelling orthographic grammatical lexical transposition / ];
b28e606e	44	my $valid_scopes = [ qw/ local global / ];
	45	$c->stash->{'result'} = { 'types' => $valid_relationships, 'scopes' => $valid_scopes };
	46	$c->forward('View::JSON');
b8a92065	47	}
b8a92065	48
9529f69c	49	=head2 text
b28e606e	50
9529f69c	51	GET relation/$textid/
	52
	53	Runs the relationship mapper for the specified text ID.
	54
b28e606e	55	=cut
b28e606e	56
9529f69c	57	sub text :Chained('/') :PathPart('relation') :CaptureArgs(1) {
9529f69c	58	my( $self, $c, $textid ) = @_;
13aa153c	59	# If the tradition has more than 500 ranks or so, split it up.
13aa153c	60	my $tradition = $c->model('Directory')->tradition( $textid );
7562a27b	61	# Account for a bad interaction between FastCGI and KiokuDB
	62	unless( $tradition->collation->tradition ) {
	63	$c->log->warn( "Fixing broken tradition link" );
	64	$tradition->collation->_set_tradition( $tradition );
	65	$c->model('Directory')->save( $tradition );
	66	}
d58766c0	67	# See how big the tradition is. Edges are more important than nodes
	68	# when it comes to rendering difficulty.
	69	my $numnodes = scalar $tradition->collation->readings;
	70	my $numedges = scalar $tradition->collation->paths;
13aa153c	71	my $length = $tradition->collation->end->rank;
d58766c0	72	# We should display no more than roughly 500 nodes, or roughly 700
	73	# edges, at a time.
	74	my $segments = $numnodes / 500;
	75	if( $numedges / 700 > $segments ) {
	76	$segments = $numedges / 700;
	77	}
	78	my $segsize = sprintf( "%.0f", $length / $segments );
	79	my $margin = sprintf( "%.0f", $segsize / 10 );
	80	if( $segments > 1 ) {
13aa153c	81	# Segment the tradition in order not to overload the browser.
13aa153c	82	my @divs;
13aa153c	83	my $r = 0;
d58766c0	84	while( $r + $margin < $length ) {
13aa153c	85	push( @divs, $r );
d58766c0	86	$r += $segsize;
13aa153c	87	}
13aa153c	88	$c->stash->{'textsegments'} = [];
d58766c0	89	$c->stash->{'segsize'} = $segsize;
d58766c0	90	$c->stash->{'margin'} = $margin;
ea8e8b3c	91	foreach my $i ( 0..$#divs ) {
	92	my $seg = { 'start' => $divs[$i] };
	93	$seg->{'display'} = "Segment " . ($i+1);
13aa153c	94	push( @{$c->stash->{'textsegments'}}, $seg );
	95	}
	96	}
	97	$c->stash->{'textid'} = $textid;
	98	$c->stash->{'tradition'} = $tradition;
9529f69c	99	}
	100
	101	sub main :Chained('text') :PathPart('') :Args(0) {
b28e606e	102	my( $self, $c ) = @_;
13aa153c	103	my $startseg = $c->req->param('start');
9c2e7b80	104	my $tradition = delete $c->stash->{'tradition'};
9c2e7b80	105	my $collation = $tradition->collation;
13aa153c	106	my $svgopts;
13aa153c	107	if( $startseg ) {
d58766c0	108	# Only render the subgraph from startseg to endseg or to END,
13aa153c	109	# whichever is less.
d58766c0	110	my $endseg = $startseg + $c->stash->{'segsize'} + $c->stash->{'margin'};
13aa153c	111	$svgopts = { 'from' => $startseg };
d58766c0	112	$svgopts->{'to'} = $endseg if $endseg < $collation->end->rank;
13aa153c	113	} elsif( exists $c->stash->{'textsegments'} ) {
	114	# This is the unqualified load of a long tradition. We implicitly start
	115	# at zero, but go only as far as 550.
d58766c0	116	my $endseg = $c->stash->{'segsize'} + $c->stash->{'margin'};
ea8e8b3c	117	$startseg = 0;
d58766c0	118	$svgopts = { 'to' => $endseg };
13aa153c	119	}
13aa153c	120	my $svg_str = $collation->as_svg( $svgopts );
9529f69c	121	$svg_str =~ s/\n//gs;
ea8e8b3c	122	$c->stash->{'startseg'} = $startseg if defined $startseg;
9529f69c	123	$c->stash->{'svg_string'} = $svg_str;
9529f69c	124	$c->stash->{'text_title'} = $tradition->name;
cc86fa11	125	$c->stash->{'text_lang'} = $tradition->language;
9529f69c	126	$c->stash->{'template'} = 'relate.tt';
b28e606e	127	}
b28e606e	128
cc86fa11	129	=head2 help
	130
	131	GET relation/help/$language
	132
	133	Returns the help window HTML.
	134
	135	=cut
	136
	137	sub help :Local :Args(1) {
	138	my( $self, $c, $lang ) = @_;
	139	# Display the morphological help for the language if it is defined.
	140	if( $lang && $lang ne 'Default' ) {
	141	my $mod = 'Text::Tradition::Language::' . $lang;
	142	try {
	143	load( $mod );
	144	} catch {
	145	$c->log->debug("Warning: could not load $mod");
	146	}
	147	my $has_mod = $mod->can('morphology_tags');
cc86fa11	148	if( $has_mod ) {
	149	my $tagset = &$has_mod;
	150	$c->stash->{'tagset'} = $tagset;
	151	}
	152	}
	153	$c->stash->{'template'} = 'relatehelp.tt';
	154	}
	155
b28e606e	156	=head2 relationships
b28e606e	157
13aa153c	158	GET relation/$textid/relationships
9529f69c	159
9529f69c	160	Returns the list of relationships defined for this text.
b28e606e	161
13aa153c	162	POST relation/$textid/relationships { request }
9529f69c	163
	164	Attempts to define the requested relationship within the text. Returns 200 on
	165	success or 403 on error.
b28e606e	166
13aa153c	167	DELETE relation/$textid/relationships { request }
9529f69c	168
b28e606e	169
	170	=cut
	171
9529f69c	172	sub relationships :Chained('text') :PathPart :Args(0) {
b28e606e	173	my( $self, $c ) = @_;
6d124a83	174	my $tradition = delete $c->stash->{'tradition'};
6d124a83	175	my $collation = $tradition->collation;
cdd592f3	176	my $m = $c->model('Directory');
9529f69c	177	if( $c->request->method eq 'GET' ) {
	178	my @pairs = $collation->relationships; # returns the edges
	179	my @all_relations;
	180	foreach my $p ( @pairs ) {
	181	my $relobj = $collation->relations->get_relationship( @$p );
545163a2	182	next if $relobj->type eq 'collated'; # Don't show these
7562a27b	183	next if $p->[0] eq $p->[1]; # HACK until bugfix
69a19c91	184	my $relhash = { source => $p->[0], target => $p->[1],
	185	type => $relobj->type, scope => $relobj->scope };
	186	$relhash->{'note'} = $relobj->annotation if $relobj->has_annotation;
	187	push( @all_relations, $relhash );
9529f69c	188	}
	189	$c->stash->{'result'} = \@all_relations;
	190	} elsif( $c->request->method eq 'POST' ) {
	191	my $node = $c->request->param('source_id');
	192	my $target = $c->request->param('target_id');
	193	my $relation = $c->request->param('rel_type');
	194	my $note = $c->request->param('note');
	195	my $scope = $c->request->param('scope');
	196
	197	my $opts = { 'type' => $relation,
69a19c91	198	'scope' => $scope };
69a19c91	199	$opts->{'annotation'} = $note if $note;
9529f69c	200
	201	try {
	202	my @vectors = $collation->add_relationship( $node, $target, $opts );
	203	$c->stash->{'result'} = \@vectors;
cdd592f3	204	$m->save( $tradition );
9529f69c	205	} catch( Text::Tradition::Error $e ) {
	206	$c->response->status( '403' );
	207	$c->stash->{'result'} = { 'error' => $e->message };
	208	}
	209	} elsif( $c->request->method eq 'DELETE' ) {
	210	my $node = $c->request->param('source_id');
	211	my $target = $c->request->param('target_id');
	212
	213	try {
	214	my @vectors = $collation->del_relationship( $node, $target );
cdd592f3	215	$m->save( $tradition );
9529f69c	216	$c->stash->{'result'} = \@vectors;
	217	} catch( Text::Tradition::Error $e ) {
	218	$c->response->status( '403' );
	219	$c->stash->{'result'} = { 'error' => $e->message };
	220	}
b28e606e	221	}
b28e606e	222	$c->forward('View::JSON');
5f15640c	223	}
	224
	225	=head2 readings
	226
	227	GET relation/$textid/readings
	228
	229	Returns the list of readings defined for this text along with their metadata.
	230
	231	=cut
	232
0dcdd5ec	233	my %read_write_keys = (
	234	'id' => 0,
	235	'text' => 0,
	236	'is_meta' => 0,
	237	'grammar_invalid' => 1,
	238	'is_nonsense' => 1,
	239	'normal_form' => 1,
	240	);
	241
5f15640c	242	sub _reading_struct {
	243	my( $reading ) = @_;
	244	# Return a JSONable struct of the useful keys. Keys meant to be writable
	245	# have a true value; read-only keys have a false value.
5f15640c	246	my $struct = {};
	247	map { $struct->{$_} = $reading->$_ } keys( %read_write_keys );
	248	# Special case
	249	$struct->{'lexemes'} = [ $reading->lexemes ];
0dcdd5ec	250	# Look up any words related via spelling or orthography
	251	my $sameword = sub {
	252	my $t = $_[0]->type;
	253	return $t eq 'spelling' \|\| $t eq 'orthographic';
	254	};
	255	my @variants;
	256	foreach my $sr ( $reading->related_readings( $sameword ) ) {
	257	push( @variants, $sr->text );
	258	}
	259	$struct->{'variants'} = \@variants;
5f15640c	260	return $struct;
	261	}
	262
	263	sub readings :Chained('text') :PathPart :Args(0) {
	264	my( $self, $c ) = @_;
	265	my $tradition = delete $c->stash->{'tradition'};
	266	my $collation = $tradition->collation;
	267	my $m = $c->model('Directory');
	268	if( $c->request->method eq 'GET' ) {
	269	my $rdginfo = {};
	270	foreach my $rdg ( $collation->readings ) {
	271	$rdginfo->{$rdg->id} = _reading_struct( $rdg );
	272	}
	273	$c->stash->{'result'} = $rdginfo;
	274	}
	275	$c->forward('View::JSON');
	276	}
	277
	278	=head2 reading
	279
	280	GET relation/$textid/reading/$id
	281
	282	Returns the list of readings defined for this text along with their metadata.
	283
	284	POST relation/$textid/reading/$id { request }
	285
	286	Alters the reading according to the values in request. Returns 403 Forbidden if
	287	the alteration isn't allowed.
	288
	289	=cut
	290
	291	sub reading :Chained('text') :PathPart :Args(1) {
	292	my( $self, $c, $reading_id ) = @_;
	293	my $tradition = delete $c->stash->{'tradition'};
	294	my $collation = $tradition->collation;
0dcdd5ec	295	my $rdg = $collation->reading( $reading_id );
5f15640c	296	my $m = $c->model('Directory');
5f15640c	297	if( $c->request->method eq 'GET' ) {
5f15640c	298	$c->stash->{'result'} = $rdg ? _reading_struct( $rdg )
	299	: { 'error' => "No reading with ID $reading_id" };
	300	} elsif ( $c->request->method eq 'POST' ) {
6666d111	301	my $errmsg;
0dcdd5ec	302	# Are we re-lemmatizing?
	303	if( $c->request->param('relemmatize') ) {
	304	my $nf = $c->request->param('normal_form');
	305	# TODO throw error unless $nf
	306	$rdg->normal_form( $nf );
997ebe92	307	# TODO throw error if lemmatization fails
6666d111	308	# TODO skip this if normal form hasn't changed
0dcdd5ec	309	$rdg->lemmatize();
	310	} else {
	311	# Set all the values that we have for the reading.
	312	# TODO error handling
	313	foreach my $p ( keys %{$c->request->params} ) {
	314	if( $p =~ /^morphology_(\d+)$/ ) {
	315	# Set the form on the correct lexeme
aafcb75b	316	my $morphval = $c->request->param( $p );
aafcb75b	317	next unless $morphval;
0dcdd5ec	318	my $midx = $1;
0dcdd5ec	319	my $lx = $rdg->lexeme( $midx );
aafcb75b	320	my $strrep = $rdg->language . ' // ' . $morphval;
0dcdd5ec	321	my $idx = $lx->has_form( $strrep );
	322	unless( defined $idx ) {
	323	# Make the word form and add it to the lexeme.
6666d111	324	try {
	325	$idx = $lx->add_matching_form( $strrep ) - 1;
	326	} catch( Text::Tradition::Error $e ) {
	327	$c->response->status( '403' );
	328	$errmsg = $e->message;
465848bc	329	} catch {
	330	# Something else went wrong, probably a Moose error
	331	$c->response->status( '403' );
	332	$errmsg = 'Something went wrong with the request';
6666d111	333	}
0dcdd5ec	334	}
6666d111	335	$lx->disambiguate( $idx ) if defined $idx;
0dcdd5ec	336	} elsif( $read_write_keys{$p} ) {
997ebe92	337	my $val = _clean_booleans( $rdg, $p, $c->request->param( $p ) );
997ebe92	338	$rdg->$p( $val );
0dcdd5ec	339	}
	340	}
	341	}
19f0f822	342	$m->save( $rdg );
6666d111	343	$c->stash->{'result'} = $errmsg ? { 'error' => $errmsg }
6666d111	344	: _reading_struct( $rdg );
0dcdd5ec	345
5f15640c	346	}
	347	$c->forward('View::JSON');
	348
	349	}
b28e606e	350
997ebe92	351	sub _clean_booleans {
	352	my( $rdg, $param, $val ) = @_;
	353	if( $rdg->meta->get_attribute( $param )->type_constraint->name eq 'Bool' ) {
	354	$val = 1 if $val eq 'true';
	355	$val = undef if $val eq 'false';
	356	}
	357	return $val;
	358	}
	359
b8a92065	360	=head2 end
	361
	362	Attempt to render a view, if needed.
	363
	364	=cut
	365
	366	sub end : ActionClass('RenderView') {}
	367
	368	=head1 AUTHOR
	369
	370	Tara L Andrews
	371
	372	=head1 LICENSE
	373
	374	This library is free software. You can redistribute it and/or modify
	375	it under the same terms as Perl itself.
	376
	377	=cut
	378
	379	__PACKAGE__->meta->make_immutable;
	380
	381	1;