Commit | Line | Data |
b8a92065 |
1 | package stemmaweb::Controller::Relation; |
5539cba3 |
2 | use JSON qw/ to_json from_json /; |
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3 | use Moose; |
e4bdf660 |
4 | use Moose::Util::TypeConstraints qw/ find_type_constraint /; |
cc86fa11 |
5 | use Module::Load; |
b8a92065 |
6 | use namespace::autoclean; |
e4bdf660 |
7 | use Text::Tradition::Datatypes; |
b28e606e |
8 | use TryCatch; |
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9 | |
10 | BEGIN { extends 'Catalyst::Controller' } |
11 | |
12 | |
2d34519e |
13 | sub throw { |
14 | Text::Tradition::Error->throw( |
15 | 'ident' => 'Collation error', |
16 | 'message' => $_[0], |
17 | ); |
18 | } |
19 | |
20 | |
b8a92065 |
21 | =head1 NAME |
22 | |
23 | stemmaweb::Controller::Relation - Controller for the relationship mapper |
24 | |
25 | =head1 DESCRIPTION |
26 | |
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27 | The reading relationship mapper with draggable nodes. |
b8a92065 |
28 | |
29 | =head1 METHODS |
30 | |
b28e606e |
31 | =head2 index |
32 | |
b8a92065 |
33 | GET relation/$textid |
34 | |
35 | Renders the application for the text identified by $textid. |
36 | |
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37 | =cut |
38 | |
9529f69c |
39 | sub index :Path :Args(0) { |
40 | my( $self, $c ) = @_; |
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41 | $c->stash->{'template'} = 'relate.tt'; |
42 | } |
43 | |
9529f69c |
44 | =head2 text |
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45 | |
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46 | GET relation/$textid/ |
47 | |
48 | Runs the relationship mapper for the specified text ID. |
49 | |
b28e606e |
50 | =cut |
51 | |
9529f69c |
52 | sub text :Chained('/') :PathPart('relation') :CaptureArgs(1) { |
53 | my( $self, $c, $textid ) = @_; |
13aa153c |
54 | my $tradition = $c->model('Directory')->tradition( $textid ); |
cd3f7f55 |
55 | unless( $tradition ) { |
56 | $c->response->status('404'); |
57 | $c->response->body("No such tradition with ID $textid"); |
58 | $c->detach('View::Plain'); |
59 | return; |
60 | } |
61 | |
7562a27b |
62 | # Account for a bad interaction between FastCGI and KiokuDB |
63 | unless( $tradition->collation->tradition ) { |
64 | $c->log->warn( "Fixing broken tradition link" ); |
65 | $tradition->collation->_set_tradition( $tradition ); |
66 | $c->model('Directory')->save( $tradition ); |
67 | } |
20198e59 |
68 | # Check permissions. Will return 403 if denied, otherwise will |
69 | # put the appropriate value in the stash. |
70 | my $ok = _check_permission( $c, $tradition ); |
71 | return unless $ok; |
72 | |
8843c8b9 |
73 | $c->stash->{'textid'} = $textid; |
74 | $c->stash->{'tradition'} = $tradition; |
75 | } |
76 | |
77 | sub main :Chained('text') :PathPart('') :Args(0) { |
78 | my( $self, $c ) = @_; |
79 | my $tradition = delete $c->stash->{'tradition'}; |
80 | my $collation = $tradition->collation; |
89aae3ee |
81 | |
82 | # Stash text direction to use in JS. |
83 | $c->stash->{'direction'} = $collation->direction; |
84 | |
56e3972e |
85 | # Stash the relationship definitions |
e4bdf660 |
86 | $c->stash->{'relationship_scopes'} = |
87 | to_json( find_type_constraint( 'RelationshipScope' )->values ); |
88 | $c->stash->{'ternary_values'} = |
89 | to_json( find_type_constraint( 'Ternary' )->values ); |
56e3972e |
90 | my @reltypeinfo; |
91 | foreach my $type ( sort { _typesort( $a, $b ) } $collation->relations->types ) { |
92 | next if $type->is_weak; |
93 | my $struct = { name => $type->name, description => $type->description }; |
94 | push( @reltypeinfo, $struct ); |
95 | } |
96 | $c->stash->{'relationship_types'} = to_json( \@reltypeinfo ); |
97 | |
d58766c0 |
98 | # See how big the tradition is. Edges are more important than nodes |
99 | # when it comes to rendering difficulty. |
8843c8b9 |
100 | my $numnodes = scalar $collation->readings; |
101 | my $numedges = scalar $collation->paths; |
102 | my $length = $collation->end->rank; |
d58766c0 |
103 | # We should display no more than roughly 500 nodes, or roughly 700 |
104 | # edges, at a time. |
105 | my $segments = $numnodes / 500; |
106 | if( $numedges / 700 > $segments ) { |
107 | $segments = $numedges / 700; |
108 | } |
109 | my $segsize = sprintf( "%.0f", $length / $segments ); |
110 | my $margin = sprintf( "%.0f", $segsize / 10 ); |
111 | if( $segments > 1 ) { |
13aa153c |
112 | # Segment the tradition in order not to overload the browser. |
13aa153c |
113 | my @divs; |
114 | my $r = 0; |
d58766c0 |
115 | while( $r + $margin < $length ) { |
13aa153c |
116 | push( @divs, $r ); |
d58766c0 |
117 | $r += $segsize; |
13aa153c |
118 | } |
119 | $c->stash->{'textsegments'} = []; |
ea8e8b3c |
120 | foreach my $i ( 0..$#divs ) { |
121 | my $seg = { 'start' => $divs[$i] }; |
122 | $seg->{'display'} = "Segment " . ($i+1); |
13aa153c |
123 | push( @{$c->stash->{'textsegments'}}, $seg ); |
124 | } |
125 | } |
13aa153c |
126 | my $startseg = $c->req->param('start'); |
13aa153c |
127 | my $svgopts; |
128 | if( $startseg ) { |
d58766c0 |
129 | # Only render the subgraph from startseg to endseg or to END, |
13aa153c |
130 | # whichever is less. |
8843c8b9 |
131 | my $endseg = $startseg + $segsize + $margin; |
13aa153c |
132 | $svgopts = { 'from' => $startseg }; |
d58766c0 |
133 | $svgopts->{'to'} = $endseg if $endseg < $collation->end->rank; |
13aa153c |
134 | } elsif( exists $c->stash->{'textsegments'} ) { |
135 | # This is the unqualified load of a long tradition. We implicitly start |
8843c8b9 |
136 | # at zero, but go only as far as our segment size. |
137 | my $endseg = $segsize + $margin; |
ea8e8b3c |
138 | $startseg = 0; |
d58766c0 |
139 | $svgopts = { 'to' => $endseg }; |
13aa153c |
140 | } |
8843c8b9 |
141 | # Spit out the SVG |
13aa153c |
142 | my $svg_str = $collation->as_svg( $svgopts ); |
9529f69c |
143 | $svg_str =~ s/\n//gs; |
ea8e8b3c |
144 | $c->stash->{'startseg'} = $startseg if defined $startseg; |
9529f69c |
145 | $c->stash->{'svg_string'} = $svg_str; |
146 | $c->stash->{'text_title'} = $tradition->name; |
d935aef8 |
147 | if( $tradition->can('language') && $tradition->language ) { |
487674b9 |
148 | $c->stash->{'text_lang'} = $tradition->language; |
149 | $c->stash->{'can_morphologize'} = 1; |
150 | } else { |
151 | $c->stash->{'text_lang'} = 'Default'; |
152 | } |
9529f69c |
153 | $c->stash->{'template'} = 'relate.tt'; |
b28e606e |
154 | } |
155 | |
56e3972e |
156 | sub _typesort { |
157 | my( $a, $b ) = @_; |
158 | my $blsort = $a->bindlevel <=> $b->bindlevel; |
159 | return $blsort if $blsort; |
160 | return $a->name cmp $b->name; |
8843c8b9 |
161 | } |
162 | |
cc86fa11 |
163 | =head2 help |
164 | |
165 | GET relation/help/$language |
166 | |
167 | Returns the help window HTML. |
168 | |
169 | =cut |
170 | |
171 | sub help :Local :Args(1) { |
172 | my( $self, $c, $lang ) = @_; |
173 | # Display the morphological help for the language if it is defined. |
174 | if( $lang && $lang ne 'Default' ) { |
175 | my $mod = 'Text::Tradition::Language::' . $lang; |
176 | try { |
177 | load( $mod ); |
178 | } catch { |
179 | $c->log->debug("Warning: could not load $mod"); |
180 | } |
181 | my $has_mod = $mod->can('morphology_tags'); |
cc86fa11 |
182 | if( $has_mod ) { |
183 | my $tagset = &$has_mod; |
184 | $c->stash->{'tagset'} = $tagset; |
185 | } |
186 | } |
187 | $c->stash->{'template'} = 'relatehelp.tt'; |
188 | } |
189 | |
b28e606e |
190 | =head2 relationships |
191 | |
13aa153c |
192 | GET relation/$textid/relationships |
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193 | |
194 | Returns the list of relationships defined for this text. |
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195 | |
13aa153c |
196 | POST relation/$textid/relationships { request } |
9529f69c |
197 | |
198 | Attempts to define the requested relationship within the text. Returns 200 on |
199 | success or 403 on error. |
b28e606e |
200 | |
13aa153c |
201 | DELETE relation/$textid/relationships { request } |
9529f69c |
202 | |
b28e606e |
203 | |
204 | =cut |
205 | |
9529f69c |
206 | sub relationships :Chained('text') :PathPart :Args(0) { |
b28e606e |
207 | my( $self, $c ) = @_; |
6d124a83 |
208 | my $tradition = delete $c->stash->{'tradition'}; |
20198e59 |
209 | my $ok = _check_permission( $c, $tradition ); |
210 | return unless $ok; |
6d124a83 |
211 | my $collation = $tradition->collation; |
cdd592f3 |
212 | my $m = $c->model('Directory'); |
9529f69c |
213 | if( $c->request->method eq 'GET' ) { |
214 | my @pairs = $collation->relationships; # returns the edges |
215 | my @all_relations; |
216 | foreach my $p ( @pairs ) { |
217 | my $relobj = $collation->relations->get_relationship( @$p ); |
545163a2 |
218 | next if $relobj->type eq 'collated'; # Don't show these |
7562a27b |
219 | next if $p->[0] eq $p->[1]; # HACK until bugfix |
eefe56ac |
220 | my $relhash = { source_id => $p->[0], target_id => $p->[1], |
221 | source_text => $collation->reading( $p->[0] )->text, |
222 | target_text => $collation->reading( $p->[1] )->text, |
223 | type => $relobj->type, scope => $relobj->scope, |
224 | a_derivable_from_b => $relobj->a_derivable_from_b, |
225 | b_derivable_from_a => $relobj->b_derivable_from_a, |
226 | non_independent => $relobj->non_independent, |
e4bdf660 |
227 | is_significant => $relobj->is_significant |
eefe56ac |
228 | }; |
69a19c91 |
229 | $relhash->{'note'} = $relobj->annotation if $relobj->has_annotation; |
230 | push( @all_relations, $relhash ); |
9529f69c |
231 | } |
232 | $c->stash->{'result'} = \@all_relations; |
20198e59 |
233 | } else { |
234 | # Check write permissions first of all |
235 | if( $c->stash->{'permission'} ne 'full' ) { |
9529f69c |
236 | $c->response->status( '403' ); |
20198e59 |
237 | $c->stash->{'result'} = { |
56e3972e |
238 | 'error' => 'You do not have permission to modify this tradition.' }; |
239 | $c->detach( 'View::JSON' ); |
20198e59 |
240 | } elsif( $c->request->method eq 'POST' ) { |
eefe56ac |
241 | my $opts = $c->request->params; |
242 | |
243 | # Retrieve the source / target from the options |
244 | my $node = delete $opts->{source_id}; |
245 | my $target = delete $opts->{target_id}; |
246 | |
247 | # Make sure we didn't send a blank or invalid relationship type |
248 | my $relation = $opts->{type}; |
249 | unless( $collation->get_relationship_type( $relation ) ) { |
250 | my $errmsg = $relation ? "No such relationship type $relation" : |
251 | "You must specify a relationship type"; |
252 | $c->stash->{'result'} = { error => $errmsg }; |
253 | $c->response->status( '400' ); |
254 | $c->detach( 'View::JSON' ); |
255 | } |
256 | |
257 | # Keep the data clean |
258 | my @booleans = qw/ a_derivable_from_b b_derivable_from_a non_independent /; |
259 | foreach my $k ( keys %$opts ) { |
260 | if( $opts->{$k} && grep { $_ eq $k } @booleans ) { |
261 | $opts->{$k} = 1; |
262 | } |
263 | } |
20198e59 |
264 | |
eefe56ac |
265 | delete $opts->{scope} unless $opts->{scope}; |
266 | delete $opts->{annotation} unless $opts->{annotation}; |
995efe76 |
267 | delete $opts->{is_significant} unless $opts->{is_significant}; |
eefe56ac |
268 | $opts->{propagate} = 1; |
20198e59 |
269 | |
270 | try { |
271 | my @vectors = $collation->add_relationship( $node, $target, $opts ); |
272 | $c->stash->{'result'} = \@vectors; |
273 | $m->save( $tradition ); |
274 | } catch( Text::Tradition::Error $e ) { |
275 | $c->response->status( '403' ); |
995efe76 |
276 | $c->stash->{'result'} = { error => $e->message }; |
277 | } catch { |
278 | $c->response->status( '500' ); |
279 | $c->stash->{'result'} = { error => "Something went wrong with the request" }; |
20198e59 |
280 | } |
281 | } elsif( $c->request->method eq 'DELETE' ) { |
282 | my $node = $c->request->param('source_id'); |
283 | my $target = $c->request->param('target_id'); |
088a14af |
284 | my $scopewide = $c->request->param('scopewide') |
285 | && $c->request->param('scopewide') eq 'true'; |
20198e59 |
286 | try { |
088a14af |
287 | my @vectors = $collation->del_relationship( $node, $target, $scopewide ); |
20198e59 |
288 | $m->save( $tradition ); |
289 | $c->stash->{'result'} = \@vectors; |
290 | } catch( Text::Tradition::Error $e ) { |
291 | $c->response->status( '403' ); |
292 | $c->stash->{'result'} = { 'error' => $e->message }; |
995efe76 |
293 | } catch { |
294 | $c->response->status( '500' ); |
295 | $c->stash->{'result'} = { error => "Something went wrong with the request" }; |
296 | } |
9529f69c |
297 | } |
b28e606e |
298 | } |
b28e606e |
299 | $c->forward('View::JSON'); |
5f15640c |
300 | } |
301 | |
302 | =head2 readings |
303 | |
304 | GET relation/$textid/readings |
305 | |
306 | Returns the list of readings defined for this text along with their metadata. |
307 | |
308 | =cut |
309 | |
0dcdd5ec |
310 | my %read_write_keys = ( |
311 | 'id' => 0, |
312 | 'text' => 0, |
313 | 'is_meta' => 0, |
314 | 'grammar_invalid' => 1, |
315 | 'is_nonsense' => 1, |
316 | 'normal_form' => 1, |
317 | ); |
318 | |
5f15640c |
319 | sub _reading_struct { |
320 | my( $reading ) = @_; |
321 | # Return a JSONable struct of the useful keys. Keys meant to be writable |
322 | # have a true value; read-only keys have a false value. |
5f15640c |
323 | my $struct = {}; |
2be76d3f |
324 | map { $struct->{$_} = $reading->$_ if $reading->can( $_ ) } keys( %read_write_keys ); |
5f15640c |
325 | # Special case |
2be76d3f |
326 | $struct->{'lexemes'} = $reading->can( 'lexemes' ) ? [ $reading->lexemes ] : []; |
0dcdd5ec |
327 | # Look up any words related via spelling or orthography |
328 | my $sameword = sub { |
329 | my $t = $_[0]->type; |
330 | return $t eq 'spelling' || $t eq 'orthographic'; |
331 | }; |
5539cba3 |
332 | # Now add the list data |
333 | $struct->{'variants'} = [ map { $_->text } $reading->related_readings( $sameword ) ]; |
334 | $struct->{'witnesses'} = [ $reading->witnesses ]; |
5f15640c |
335 | return $struct; |
336 | } |
337 | |
338 | sub readings :Chained('text') :PathPart :Args(0) { |
339 | my( $self, $c ) = @_; |
340 | my $tradition = delete $c->stash->{'tradition'}; |
20198e59 |
341 | my $ok = _check_permission( $c, $tradition ); |
342 | return unless $ok; |
5f15640c |
343 | my $collation = $tradition->collation; |
344 | my $m = $c->model('Directory'); |
345 | if( $c->request->method eq 'GET' ) { |
346 | my $rdginfo = {}; |
347 | foreach my $rdg ( $collation->readings ) { |
348 | $rdginfo->{$rdg->id} = _reading_struct( $rdg ); |
349 | } |
350 | $c->stash->{'result'} = $rdginfo; |
351 | } |
352 | $c->forward('View::JSON'); |
353 | } |
354 | |
355 | =head2 reading |
356 | |
357 | GET relation/$textid/reading/$id |
358 | |
359 | Returns the list of readings defined for this text along with their metadata. |
360 | |
361 | POST relation/$textid/reading/$id { request } |
362 | |
363 | Alters the reading according to the values in request. Returns 403 Forbidden if |
364 | the alteration isn't allowed. |
365 | |
366 | =cut |
367 | |
368 | sub reading :Chained('text') :PathPart :Args(1) { |
369 | my( $self, $c, $reading_id ) = @_; |
370 | my $tradition = delete $c->stash->{'tradition'}; |
371 | my $collation = $tradition->collation; |
0dcdd5ec |
372 | my $rdg = $collation->reading( $reading_id ); |
5f15640c |
373 | my $m = $c->model('Directory'); |
374 | if( $c->request->method eq 'GET' ) { |
5f15640c |
375 | $c->stash->{'result'} = $rdg ? _reading_struct( $rdg ) |
376 | : { 'error' => "No reading with ID $reading_id" }; |
377 | } elsif ( $c->request->method eq 'POST' ) { |
20198e59 |
378 | if( $c->stash->{'permission'} ne 'full' ) { |
379 | $c->response->status( '403' ); |
380 | $c->stash->{'result'} = { |
5539cba3 |
381 | 'error' => 'You do not have permission to modify this tradition.' }; |
20198e59 |
382 | $c->detach('View::JSON'); |
487674b9 |
383 | return; |
20198e59 |
384 | } |
6666d111 |
385 | my $errmsg; |
487674b9 |
386 | if( $rdg && $rdg->does('Text::Tradition::Morphology') ) { |
387 | # Are we re-lemmatizing? |
388 | if( $c->request->param('relemmatize') ) { |
389 | my $nf = $c->request->param('normal_form'); |
390 | # TODO throw error unless $nf |
391 | $rdg->normal_form( $nf ); |
392 | # TODO throw error if lemmatization fails |
393 | # TODO skip this if normal form hasn't changed |
394 | $rdg->lemmatize(); |
395 | } else { |
396 | # Set all the values that we have for the reading. |
397 | # TODO error handling |
398 | foreach my $p ( keys %{$c->request->params} ) { |
399 | if( $p =~ /^morphology_(\d+)$/ ) { |
400 | # Set the form on the correct lexeme |
401 | my $morphval = $c->request->param( $p ); |
402 | next unless $morphval; |
403 | my $midx = $1; |
404 | my $lx = $rdg->lexeme( $midx ); |
405 | my $strrep = $rdg->language . ' // ' . $morphval; |
406 | my $idx = $lx->has_form( $strrep ); |
407 | unless( defined $idx ) { |
408 | # Make the word form and add it to the lexeme. |
409 | try { |
410 | $idx = $lx->add_matching_form( $strrep ) - 1; |
411 | } catch( Text::Tradition::Error $e ) { |
412 | $c->response->status( '403' ); |
413 | $errmsg = $e->message; |
414 | } catch { |
415 | # Something else went wrong, probably a Moose error |
995efe76 |
416 | $c->response->status( '500' ); |
487674b9 |
417 | $errmsg = 'Something went wrong with the request'; |
418 | } |
6666d111 |
419 | } |
487674b9 |
420 | $lx->disambiguate( $idx ) if defined $idx; |
421 | } elsif( $read_write_keys{$p} ) { |
422 | my $val = _clean_booleans( $rdg, $p, $c->request->param( $p ) ); |
423 | $rdg->$p( $val ); |
0dcdd5ec |
424 | } |
487674b9 |
425 | } |
426 | } |
427 | $m->save( $rdg ); |
428 | } else { |
429 | $errmsg = "Reading does not exist or cannot be morphologized"; |
0dcdd5ec |
430 | } |
6666d111 |
431 | $c->stash->{'result'} = $errmsg ? { 'error' => $errmsg } |
432 | : _reading_struct( $rdg ); |
0dcdd5ec |
433 | |
5f15640c |
434 | } |
435 | $c->forward('View::JSON'); |
436 | |
437 | } |
b28e606e |
438 | |
a51e34c5 |
439 | sub compress :Chained('text') :PathPart :Args(0) { |
440 | my( $self, $c ) = @_; |
441 | my $tradition = delete $c->stash->{'tradition'}; |
442 | my $collation = $tradition->collation; |
443 | my $m = $c->model('Directory'); |
444 | |
445 | my @rids = $c->request->param('readings[]'); |
446 | my @readings; |
447 | |
448 | foreach my $rid (@rids) { |
449 | my $rdg = $collation->reading( $rid ); |
450 | |
451 | push @readings, $rdg; |
452 | } |
453 | |
454 | my $len = scalar @readings; |
455 | |
456 | if( $c->request->method eq 'POST' ) { |
457 | if( $c->stash->{'permission'} ne 'full' ) { |
458 | $c->response->status( '403' ); |
459 | $c->stash->{'result'} = { |
460 | 'error' => 'You do not have permission to modify this tradition.' }; |
461 | $c->detach('View::JSON'); |
462 | return; |
463 | } |
464 | |
465 | # Sanity check: first save the original text of each witness. |
466 | my %origtext; |
467 | foreach my $wit ( $tradition->witnesses ) { |
468 | $origtext{$wit->sigil} = $collation->path_text( $wit->sigil ); |
469 | if( $wit->is_layered ) { |
470 | my $acsig = $wit->sigil . $collation->ac_label; |
471 | $origtext{$acsig} = $collation->path_text( $acsig ); |
472 | } |
473 | } |
474 | |
475 | my $first = 0; |
476 | |
477 | for (my $i = 0; $i < $len; $i++) { |
478 | my $rdg = $readings[$i]; |
479 | |
480 | if ($rdg->is_combinable) { |
481 | $first = $i; |
482 | last; |
483 | } |
484 | } |
485 | |
2d34519e |
486 | my @nodes; |
487 | push @nodes, "$readings[$first]"; |
488 | |
a51e34c5 |
489 | for (my $i = $first+1; $i < $len; $i++) { |
490 | my $rdg = $readings[$first]; |
491 | my $next = $readings[$i]; |
492 | |
493 | last unless $next->is_combinable; |
2d34519e |
494 | push @nodes, "$next"; |
a51e34c5 |
495 | |
2d34519e |
496 | try { |
497 | $collation->merge_readings( "$rdg", "$next", 1 ); |
498 | } catch ($e) { |
499 | $c->stash->{result} = { |
500 | error_msg => $e->message, |
501 | }; |
a51e34c5 |
502 | |
2d34519e |
503 | $c->detach('View::JSON'); |
504 | } |
a51e34c5 |
505 | } |
506 | |
2d34519e |
507 | try { |
508 | # Finally, make sure we haven't screwed anything up. |
509 | foreach my $wit ( $tradition->witnesses ) { |
510 | my $pathtext = $collation->path_text( $wit->sigil ); |
511 | throw( "Text differs for witness " . $wit->sigil ) |
512 | unless $pathtext eq $origtext{$wit->sigil}; |
513 | if( $wit->is_layered ) { |
514 | my $acsig = $wit->sigil . $collation->ac_label; |
515 | $pathtext = $collation->path_text( $acsig ); |
516 | throw( "Layered text differs for witness " . $wit->sigil ) |
517 | unless $pathtext eq $origtext{$acsig}; |
518 | } |
a51e34c5 |
519 | } |
2d34519e |
520 | } catch ($e) { |
521 | $c->stash->{result} = { |
522 | error_msg => $e->message, |
523 | }; |
524 | |
525 | $c->detach('View::JSON'); |
a51e34c5 |
526 | } |
527 | |
2d34519e |
528 | |
a51e34c5 |
529 | $collation->relations->rebuild_equivalence(); |
530 | $collation->calculate_ranks(); |
531 | |
532 | $m->save($collation); |
533 | |
2a65f5c9 |
534 | if ($collation->direction eq 'RL') { |
535 | @nodes = reverse @nodes; |
536 | } |
2d34519e |
537 | |
538 | $c->stash->{'result'} = { |
539 | success => 1, |
540 | nodes => \@nodes, |
541 | }; |
542 | |
a51e34c5 |
543 | $c->forward('View::JSON'); |
544 | } |
545 | } |
546 | |
b001c73d |
547 | =head2 merge |
548 | |
549 | POST relation/$textid/merge { data } |
550 | |
551 | Merges the requested readings, combining the witnesses of both readings into |
552 | the target reading. All non-conflicting source relationships are inherited by |
553 | the target relationship. |
554 | |
555 | =cut |
556 | |
557 | sub merge :Chained('text') :PathPart :Args(0) { |
558 | my( $self, $c ) = @_; |
559 | my $tradition = delete $c->stash->{'tradition'}; |
560 | my $collation = $tradition->collation; |
561 | my $m = $c->model('Directory'); |
562 | if( $c->request->method eq 'POST' ) { |
563 | if( $c->stash->{'permission'} ne 'full' ) { |
564 | $c->response->status( '403' ); |
565 | $c->stash->{'result'} = { |
566 | 'error' => 'You do not have permission to modify this tradition.' }; |
567 | $c->detach('View::JSON'); |
568 | return; |
569 | } |
570 | my $errmsg; |
571 | my $response; |
572 | |
573 | my $main = $c->request->param('target_id'); |
574 | my $second = $c->request->param('source_id'); |
575 | # Find the common successor of these, so that we can detect other |
576 | # potentially identical readings. |
577 | my $csucc = $collation->common_successor( $main, $second ); |
578 | |
579 | # Try the merge if these are parallel readings. |
580 | if( $csucc->id eq $main || $csucc->id eq $second ) { |
581 | $errmsg = "Cannot merge readings in the same path"; |
582 | } else { |
583 | try { |
584 | $collation->merge_readings( $main, $second ); |
585 | } catch( Text::Tradition::Error $e ) { |
586 | $c->response->status( '403' ); |
587 | $errmsg = $e->message; |
588 | } catch { |
589 | # Something else went wrong, probably a Moose error |
590 | $c->response->status( '403' ); |
591 | $errmsg = 'Something went wrong with the request'; |
592 | } |
593 | } |
594 | |
595 | # Look for readings that are now identical. |
596 | if( $errmsg ) { |
597 | $response = { status => 'error', error => $errmsg }; |
598 | } else { |
599 | $response = { status => 'ok' }; |
8880c19d |
600 | unless( $c->request->param('single') ) { |
601 | my @identical = $collation->identical_readings( |
602 | start => $main, end => $csucc->id ); |
603 | if( @identical ) { |
604 | $response->{'checkalign'} = [ |
605 | map { [ $_->[0]->id, $_->[1]->id ] } @identical ]; |
606 | } |
b001c73d |
607 | } |
608 | $m->save( $collation ); |
609 | } |
610 | $c->stash->{'result'} = $response; |
611 | $c->forward('View::JSON'); |
612 | } |
613 | } |
614 | |
5539cba3 |
615 | =head2 duplicate |
616 | |
fdb37581 |
617 | POST relation/$textid/duplicate { data } |
5539cba3 |
618 | |
fdb37581 |
619 | Duplicates the requested readings, detaching the witnesses specified in |
620 | the list to use the new reading(s) instead of the old. The data to be |
621 | passed should be a JSON structure: |
622 | |
623 | { readings: rid1,rid2,rid3,... |
624 | witnesses: [ wit1, ... ] } |
5539cba3 |
625 | |
626 | =cut |
627 | |
fdb37581 |
628 | sub duplicate :Chained('text') :PathPart :Args(0) { |
629 | my( $self, $c ) = @_; |
5539cba3 |
630 | my $tradition = delete $c->stash->{'tradition'}; |
631 | my $collation = $tradition->collation; |
5539cba3 |
632 | my $m = $c->model('Directory'); |
633 | if( $c->request->method eq 'POST' ) { |
634 | if( $c->stash->{'permission'} ne 'full' ) { |
635 | $c->response->status( '403' ); |
636 | $c->stash->{'result'} = { |
637 | 'error' => 'You do not have permission to modify this tradition.' }; |
638 | $c->detach('View::JSON'); |
639 | return; |
640 | } |
641 | my $errmsg; |
642 | my $response = {}; |
fdb37581 |
643 | # Sort out which readings need to be duplicated from the set given, and |
644 | # ensure that all the given wits bear each relevant reading. |
645 | |
646 | my %wits = (); |
647 | map { $wits{$_} = 1 } $c->request->param('witnesses[]'); |
648 | my %rdgranks = (); |
649 | foreach my $rid ( $c->request->param('readings[]') ) { |
650 | my $numwits = 0; |
651 | my $rdg = $collation->reading( $rid ); |
652 | foreach my $rwit ( $rdg->witnesses( $rid ) ) { |
653 | $numwits++ if exists $wits{$rwit}; |
654 | } |
769401c3 |
655 | next unless $numwits; # Disregard readings with none of our witnesses |
656 | if( $numwits < keys( %wits ) ) { |
fdb37581 |
657 | $errmsg = "Reading $rid contains some but not all of the specified witnesses."; |
658 | last; |
659 | } elsif( exists $rdgranks{ $rdg->rank } ) { |
660 | $errmsg = "More than one reading would be detached along with $rid at rank " . $rdg->rank; |
661 | last; |
662 | } else { |
663 | $rdgranks{ $rdg->rank } = $rid; |
664 | } |
665 | } |
666 | |
667 | # Now check that the readings make a single sequence. |
668 | unless( $errmsg ) { |
669 | my $prior; |
670 | foreach my $rank ( sort { $a <=> $b } keys %rdgranks ) { |
671 | my $rid = $rdgranks{$rank}; |
672 | if( $prior ) { |
673 | # Check that there is only one path between $prior and $rdg. |
674 | foreach my $wit ( keys %wits ) { |
675 | unless( $collation->prior_reading( $rid, $wit ) eq $prior ) { |
676 | $errmsg = "Diverging witness paths from $prior to $rid at $wit"; |
677 | last; |
678 | } |
679 | } |
680 | } |
681 | $prior = $rid; |
682 | } |
683 | } |
684 | |
685 | # Abort if we've run into a problem. |
686 | if( $errmsg ) { |
687 | $c->stash->{'result'} = { 'error' => $errmsg }; |
688 | $c->response->status( '403' ); |
689 | $c->forward('View::JSON'); |
690 | return; |
691 | } |
692 | |
693 | # Otherwise, do the dirty work. |
694 | my @witlist = keys %wits; |
217f5e64 |
695 | my @deleted_relations; |
fdb37581 |
696 | foreach my $rank ( sort { $a <=> $b } keys %rdgranks ) { |
5539cba3 |
697 | my $newrdg; |
fdb37581 |
698 | my $reading_id = $rdgranks{$rank}; |
217f5e64 |
699 | my @delrels; |
5539cba3 |
700 | try { |
217f5e64 |
701 | ( $newrdg, @delrels ) = |
702 | $collation->duplicate_reading( $reading_id, @witlist ); |
5539cba3 |
703 | } catch( Text::Tradition::Error $e ) { |
704 | $c->response->status( '403' ); |
705 | $errmsg = $e->message; |
706 | } catch { |
707 | # Something else went wrong, probably a Moose error |
995efe76 |
708 | $c->response->status( '500' ); |
5539cba3 |
709 | $errmsg = 'Something went wrong with the request'; |
710 | } |
711 | if( $newrdg ) { |
ea77ecb8 |
712 | my $data = _reading_struct( $newrdg ); |
713 | $data->{'orig_rdg'} = $reading_id; |
714 | $response->{"$newrdg"} = $data; |
217f5e64 |
715 | push( @deleted_relations, @delrels ); |
5539cba3 |
716 | } |
fdb37581 |
717 | } |
718 | if( $errmsg ) { |
719 | $c->stash->{'result'} = { 'error' => $errmsg }; |
5539cba3 |
720 | } else { |
fdb37581 |
721 | $m->save( $collation ); |
217f5e64 |
722 | $response->{'DELETED'} = \@deleted_relations; |
fdb37581 |
723 | $c->stash->{'result'} = $response; |
5539cba3 |
724 | } |
5539cba3 |
725 | } |
726 | $c->forward('View::JSON'); |
727 | } |
728 | |
729 | |
730 | |
20198e59 |
731 | sub _check_permission { |
732 | my( $c, $tradition ) = @_; |
733 | my $user = $c->user_exists ? $c->user->get_object : undef; |
b0524272 |
734 | # Does this user have access? |
20198e59 |
735 | if( $user ) { |
b0524272 |
736 | if( $user->is_admin || |
737 | ( $tradition->has_user && $tradition->user->id eq $user->id ) ) { |
738 | $c->stash->{'permission'} = 'full'; |
739 | return 1; |
740 | } |
080f8a02 |
741 | } |
742 | # Is it public? |
743 | if( $tradition->public ) { |
20198e59 |
744 | $c->stash->{'permission'} = 'readonly'; |
745 | return 1; |
080f8a02 |
746 | } |
747 | # Forbidden! |
748 | $c->response->status( 403 ); |
749 | $c->response->body( 'You do not have permission to view this tradition.' ); |
750 | $c->detach( 'View::Plain' ); |
751 | return 0; |
20198e59 |
752 | } |
753 | |
997ebe92 |
754 | sub _clean_booleans { |
eefe56ac |
755 | my( $obj, $param, $val ) = @_; |
756 | if( $obj->meta->get_attribute( $param )->type_constraint->name eq 'Bool' ) { |
997ebe92 |
757 | $val = 1 if $val eq 'true'; |
758 | $val = undef if $val eq 'false'; |
759 | } |
760 | return $val; |
761 | } |
762 | |
b8a92065 |
763 | =head2 end |
764 | |
765 | Attempt to render a view, if needed. |
766 | |
767 | =cut |
768 | |
769 | sub end : ActionClass('RenderView') {} |
770 | |
771 | =head1 AUTHOR |
772 | |
773 | Tara L Andrews |
774 | |
775 | =head1 LICENSE |
776 | |
777 | This library is free software. You can redistribute it and/or modify |
778 | it under the same terms as Perl itself. |
779 | |
780 | =cut |
781 | |
782 | __PACKAGE__->meta->make_immutable; |
783 | |
784 | 1; |