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8d9a1cd8 |
1 | package Text::Tradition::Directory; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | use Moose; |
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6 | use DBI; |
0a900793 |
7 | use Encode qw/ decode_utf8 /; |
ad1291ee |
8 | use KiokuDB::GC::Naive; |
8d9a1cd8 |
9 | use KiokuDB::TypeMap; |
10 | use KiokuDB::TypeMap::Entry::Naive; |
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11 | use Text::Tradition::Error; |
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12 | |
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13 | ## users |
14 | use KiokuX::User::Util qw(crypt_password); |
15 | use Text::Tradition::User; |
16 | |
8d9a1cd8 |
17 | extends 'KiokuX::Model'; |
18 | |
12523041 |
19 | =head1 NAME |
20 | |
21 | Text::Tradition::Directory - a KiokuDB interface for storing and retrieving traditions |
22 | |
23 | =head1 SYNOPSIS |
24 | |
25 | use Text::Tradition::Directory; |
26 | my $d = Text::Tradition::Directory->new( |
27 | 'dsn' => 'dbi:SQLite:mytraditions.db', |
28 | 'extra_args' => { 'create' => 1 }, |
29 | ); |
30 | |
31 | my $tradition = Text::Tradition->new( @args ); |
9ba651b9 |
32 | my $stemma = $tradition->add_stemma( dotfile => $dotfile ); |
12523041 |
33 | $d->save_tradition( $tradition ); |
12523041 |
34 | |
35 | foreach my $id ( $d->traditions ) { |
36 | print $d->tradition( $id )->name; |
12523041 |
37 | } |
770f7a2b |
38 | |
39 | ## Users: |
40 | my $userstore = Text::Tradition::UserStore->new(dsn => 'dbi:SQLite:foo.db'); |
41 | my $newuser = $userstore->add_user({ username => 'fred', |
42 | password => 'somepassword' }); |
43 | |
44 | my $fetchuser = $userstore->find_user({ username => 'fred' }); |
45 | if($fetchuser->check_password('somepassword')) { |
46 | ## login user or .. whatever |
47 | } |
48 | |
49 | my $user = $userstore->deactivate_user({ username => 'fred' }); |
50 | if(!$user->active) { |
51 | ## shouldnt be able to login etc |
52 | } |
12523041 |
53 | |
54 | =head1 DESCRIPTION |
55 | |
56 | Text::Tradition::Directory is an interface for storing and retrieving text traditions and all their data, including an associated stemma hypothesis. It is an instantiation of a KiokuDB::Model, storing traditions and associated stemmas by UUID. |
57 | |
770f7a2b |
58 | =head1 ATTRIBUTES |
59 | |
60 | =head2 MIN_PASS_LEN |
61 | |
62 | Constant for the minimum password length when validating passwords, |
63 | defaults to "8". |
64 | |
65 | =cut |
66 | |
67 | has MIN_PASS_LEN => ( is => 'ro', isa => 'Num', default => sub { 8 } ); |
68 | |
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69 | =head1 METHODS |
70 | |
71 | =head2 new |
72 | |
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73 | Returns a Directory object. |
12523041 |
74 | |
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75 | =head2 traditionlist |
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76 | |
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77 | Returns a hashref mapping of ID => name for all traditions in the directory. |
12523041 |
78 | |
79 | =head2 tradition( $id ) |
80 | |
81 | Returns the Text::Tradition object of the given ID. |
82 | |
56cf65bd |
83 | =head2 save( $tradition ) |
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84 | |
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85 | Writes the given tradition to the database, returning its ID. |
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86 | |
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87 | =head2 delete( $tradition ) |
88 | |
89 | Deletes the given tradition object from the database. |
90 | WARNING!! Garbage collection does not yet work. Use this sparingly. |
91 | |
12523041 |
92 | =begin testing |
93 | |
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94 | use TryCatch; |
12523041 |
95 | use File::Temp; |
96 | use Text::Tradition; |
12523041 |
97 | use_ok 'Text::Tradition::Directory'; |
98 | |
99 | my $fh = File::Temp->new(); |
100 | my $file = $fh->filename; |
101 | $fh->close; |
102 | my $dsn = "dbi:SQLite:dbname=$file"; |
861c3e27 |
103 | my $uuid; |
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104 | my $t = Text::Tradition->new( |
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105 | 'name' => 'inline', |
106 | 'input' => 'Tabular', |
107 | 'file' => 't/data/simple.txt', |
108 | ); |
56cf65bd |
109 | |
861c3e27 |
110 | { |
111 | my $d = Text::Tradition::Directory->new( 'dsn' => $dsn, |
112 | 'extra_args' => { 'create' => 1 } ); |
113 | is( ref $d, 'Text::Tradition::Directory', "Got directory object" ); |
114 | |
115 | my $scope = $d->new_scope; |
116 | $uuid = $d->save( $t ); |
117 | ok( $uuid, "Saved test tradition" ); |
118 | |
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119 | my $s = $t->add_stemma( dotfile => 't/data/simple.dot' ); |
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120 | ok( $d->save( $t ), "Updated tradition with stemma" ); |
121 | is( $d->tradition( $uuid ), $t, "Correct tradition returned for id" ); |
e0d617e6 |
122 | is( $d->tradition( $uuid )->stemma(0), $s, "...and it has the correct stemma" ); |
861c3e27 |
123 | try { |
124 | $d->save( $s ); |
125 | } catch( Text::Tradition::Error $e ) { |
126 | is( $e->ident, 'database error', "Got exception trying to save stemma directly" ); |
127 | like( $e->message, qr/Cannot directly save non-Tradition object/, |
128 | "Exception has correct message" ); |
129 | } |
130 | } |
131 | my $nt = Text::Tradition->new( |
132 | 'name' => 'CX', |
133 | 'input' => 'CollateX', |
134 | 'file' => 't/data/Collatex-16.xml', |
135 | ); |
136 | is( ref( $nt ), 'Text::Tradition', "Made new tradition" ); |
137 | |
138 | { |
139 | my $f = Text::Tradition::Directory->new( 'dsn' => $dsn ); |
140 | my $scope = $f->new_scope; |
98a6cab2 |
141 | is( scalar $f->traditionlist, 1, "Directory index has our tradition" ); |
861c3e27 |
142 | my $nuuid = $f->save( $nt ); |
143 | ok( $nuuid, "Stored second tradition" ); |
98a6cab2 |
144 | my @tlist = $f->traditionlist; |
145 | is( scalar @tlist, 2, "Directory index has both traditions" ); |
861c3e27 |
146 | my $tf = $f->tradition( $uuid ); |
98a6cab2 |
147 | my( $tlobj ) = grep { $_->{'id'} eq $uuid } @tlist; |
148 | is( $tlobj->{'name'}, $tf->name, "Directory index has correct tradition name" ); |
861c3e27 |
149 | is( $tf->name, $t->name, "Retrieved the tradition from a new directory" ); |
e0d617e6 |
150 | my $sid = $f->object_to_id( $tf->stemma(0) ); |
861c3e27 |
151 | try { |
152 | $f->tradition( $sid ); |
153 | } catch( Text::Tradition::Error $e ) { |
154 | is( $e->ident, 'database error', "Got exception trying to fetch stemma directly" ); |
155 | like( $e->message, qr/not a Text::Tradition/, "Exception has correct message" ); |
156 | } |
157 | try { |
158 | $f->delete( $sid ); |
159 | } catch( Text::Tradition::Error $e ) { |
160 | is( $e->ident, 'database error', "Got exception trying to delete stemma directly" ); |
161 | like( $e->message, qr/Cannot directly delete non-Tradition object/, |
162 | "Exception has correct message" ); |
163 | } |
ad39942e |
164 | |
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165 | $f->delete( $uuid ); |
166 | ok( !$f->exists( $uuid ), "Object is deleted from DB" ); |
167 | ok( !$f->exists( $sid ), "Object stemma also deleted from DB" ); |
98a6cab2 |
168 | is( scalar $f->traditionlist, 1, "Object is deleted from index" ); |
861c3e27 |
169 | } |
170 | |
d7ba60b4 |
171 | { |
861c3e27 |
172 | my $g = Text::Tradition::Directory->new( 'dsn' => $dsn ); |
173 | my $scope = $g->new_scope; |
98a6cab2 |
174 | is( scalar $g->traditionlist, 1, "Now one object in new directory index" ); |
ad39942e |
175 | my $ntobj = $g->tradition( 'CX' ); |
09909f9d |
176 | my @w1 = sort { $a->sigil cmp $b->sigil } $ntobj->witnesses; |
177 | my @w2 = sort{ $a->sigil cmp $b->sigil } $nt->witnesses; |
ad39942e |
178 | is_deeply( \@w1, \@w2, "Looked up remaining tradition by name" ); |
861c3e27 |
179 | } |
12523041 |
180 | |
181 | =end testing |
182 | |
183 | =cut |
184 | |
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185 | has +typemap => ( |
8d9a1cd8 |
186 | is => 'rw', |
187 | isa => 'KiokuDB::TypeMap', |
188 | default => sub { |
189 | KiokuDB::TypeMap->new( |
190 | isa_entries => { |
8d9a1cd8 |
191 | "Graph" => KiokuDB::TypeMap::Entry::Naive->new, |
192 | "Graph::AdjacencyMap" => KiokuDB::TypeMap::Entry::Naive->new, |
193 | } |
194 | ); |
195 | }, |
196 | ); |
197 | |
98a6cab2 |
198 | # Push some columns into the extra_args |
199 | around BUILDARGS => sub { |
200 | my $orig = shift; |
201 | my $class = shift; |
202 | my $args; |
203 | if( @_ == 1 ) { |
204 | $args = $_[0]; |
205 | } else { |
206 | $args = { @_ }; |
207 | } |
208 | if( $args->{'dsn'} =~ /^dbi/ ) { # We're using Backend::DBI |
209 | my @column_args = ( 'columns', |
210 | [ 'name' => { 'data_type' => 'varchar', 'is_nullable' => 1 } ] ); |
211 | my $ea = $args->{'extra_args'}; |
212 | if( ref( $ea ) eq 'ARRAY' ) { |
213 | push( @$ea, @column_args ); |
214 | } elsif( ref( $ea ) eq 'HASH' ) { |
215 | $ea = { %$ea, @column_args }; |
216 | } else { |
217 | $ea = { @column_args }; |
218 | } |
219 | $args->{'extra_args'} = $ea; |
220 | } |
221 | return $class->$orig( $args ); |
222 | }; |
223 | |
861c3e27 |
224 | before [ qw/ store update insert delete / ] => sub { |
8d9a1cd8 |
225 | my $self = shift; |
861c3e27 |
226 | my @nontrad; |
227 | foreach my $obj ( @_ ) { |
cf7e4e7b |
228 | # if( ref( $obj ) && ref( $obj ) ne 'Text::Tradition' ) { |
229 | |
230 | if( ref( $obj ) && ref( $obj ) ne 'Text::Tradition' |
231 | && ref ($obj) ne 'Text::Tradition::User' ) { |
861c3e27 |
232 | # Is it an id => Tradition hash? |
233 | if( ref( $obj ) eq 'HASH' && keys( %$obj ) == 1 ) { |
234 | my( $k ) = keys %$obj; |
235 | next if ref( $obj->{$k} ) eq 'Text::Tradition'; |
8d9a1cd8 |
236 | } |
861c3e27 |
237 | push( @nontrad, $obj ); |
8d9a1cd8 |
238 | } |
12523041 |
239 | } |
861c3e27 |
240 | if( @nontrad ) { |
241 | throw( "Cannot directly save non-Tradition object of type " |
242 | . ref( $nontrad[0] ) ); |
243 | } |
244 | }; |
12523041 |
245 | |
d7ba60b4 |
246 | # TODO Garbage collection doesn't work. Suck it up and live with the |
247 | # inflated DB. |
248 | # after delete => sub { |
249 | # my $self = shift; |
250 | # my $gc = KiokuDB::GC::Naive->new( backend => $self->directory->backend ); |
251 | # $self->directory->backend->delete( $gc->garbage->members ); |
252 | # }; |
56cf65bd |
253 | |
254 | sub save { |
861c3e27 |
255 | my $self = shift; |
256 | return $self->store( @_ ); |
12523041 |
257 | } |
258 | |
56cf65bd |
259 | sub tradition { |
260 | my( $self, $id ) = @_; |
261 | my $obj = $self->lookup( $id ); |
ad39942e |
262 | unless( $obj ) { |
263 | # Try looking up by name. |
264 | foreach my $item ( $self->traditionlist ) { |
265 | if( $item->{'name'} eq $id ) { |
266 | $obj = $self->lookup( $item->{'id'} ); |
267 | last; |
268 | } |
269 | } |
270 | } |
271 | if( $obj && ref( $obj ) ne 'Text::Tradition' ) { |
861c3e27 |
272 | throw( "Retrieved object is a " . ref( $obj ) . ", not a Text::Tradition" ); |
12523041 |
273 | } |
56cf65bd |
274 | return $obj; |
12523041 |
275 | } |
8d9a1cd8 |
276 | |
fefeeeda |
277 | sub user_traditionlist { |
278 | my ($self, $user) = @_; |
279 | |
280 | my @tlist; |
7d52d62b |
281 | if(ref $user) { |
fefeeeda |
282 | ## We have a user object already, so just fetch its traditions and use tose |
7d52d62b |
283 | foreach my $t (@{ $user->traditions }) { |
fefeeeda |
284 | push( @tlist, { 'id' => $self->object_to_id( $t ), |
285 | 'name' => $t->name } ); |
286 | } |
287 | return @tlist; |
7d52d62b |
288 | } elsif($user ne 'public') { |
289 | die "Passed neither a user object nor 'public' to user_traditionlist"; |
fefeeeda |
290 | } |
291 | |
292 | ## Search for all traditions which allow public viewing |
293 | ## When they exist! |
294 | # $self->search({ public => 1 }); |
295 | |
296 | ## For now, just fetch all |
297 | ## (could use all_objects or grep down there?) |
298 | return $self->traditionlist(); |
299 | } |
300 | |
98a6cab2 |
301 | sub traditionlist { |
861c3e27 |
302 | my $self = shift; |
fefeeeda |
303 | my ($user) = @_; |
304 | |
305 | return $self->user_traditionlist($user) if($user); |
306 | |
307 | my @tlist; |
98a6cab2 |
308 | # If we are using DBI, we can do it the easy way; if not, the hard way. |
309 | # Easy way still involves making a separate DBI connection. Ew. |
0a900793 |
310 | if( $self->dsn =~ /^dbi:(\w+):/ ) { |
311 | my $dbtype = $1; |
98a6cab2 |
312 | my @connection = @{$self->directory->backend->connect_info}; |
313 | # Get rid of KiokuDB-specific arg |
314 | pop @connection if scalar @connection > 4; |
0a900793 |
315 | $connection[3]->{'sqlite_unicode'} = 1 if $dbtype eq 'SQLite'; |
316 | $connection[3]->{'pg_enable_utf8'} = 1 if $dbtype eq 'Pg'; |
98a6cab2 |
317 | my $dbh = DBI->connect( @connection ); |
318 | my $q = $dbh->prepare( 'SELECT id, name from entries WHERE class = "Text::Tradition"' ); |
319 | $q->execute(); |
320 | while( my @row = $q->fetchrow_array ) { |
0a900793 |
321 | my( $id, $name ) = @row; |
322 | # Horrible horrible hack |
323 | $name = decode_utf8( $name ) if $dbtype eq 'mysql'; |
98a6cab2 |
324 | push( @tlist, { 'id' => $row[0], 'name' => $row[1] } ); |
325 | } |
326 | } else { |
327 | $self->scan( sub { my $o = shift; |
328 | push( @tlist, { 'id' => $self->object_to_id( $o ), |
329 | 'name' => $o->name } ) } ); |
330 | } |
331 | return @tlist; |
861c3e27 |
332 | } |
333 | |
334 | sub throw { |
335 | Text::Tradition::Error->throw( |
336 | 'ident' => 'database error', |
337 | 'message' => $_[0], |
338 | ); |
339 | } |
340 | |
cf7e4e7b |
341 | |
342 | # has 'directory' => ( |
343 | # is => 'rw', |
344 | # isa => 'KiokuX::Model', |
345 | # handles => [] |
346 | # ); |
347 | |
348 | ## TODO: Some of these methods should probably optionally take $user objects |
349 | ## instead of hashrefs. |
350 | |
351 | ## It also occurs to me that all these methods don't need to be named |
352 | ## XX_user, but leaving that way for now incase we merge this code |
353 | ## into ::Directory for one-store. |
354 | |
355 | ## To die or not to die, on error, this is the question. |
356 | |
770f7a2b |
357 | =head2 add_user |
cf7e4e7b |
358 | |
359 | Takes a hashref of C<username>, C<password>. |
360 | |
361 | Create a new user object, store in the KiokuDB backend, and return it. |
362 | |
363 | =cut |
364 | |
365 | sub add_user { |
366 | my ($self, $userinfo) = @_; |
367 | my $username = $userinfo->{url} || $userinfo->{username}; |
368 | my $password = $userinfo->{password}; |
369 | |
370 | return unless ($username =~ /^https?:/ |
371 | || ($username && $self->validate_password($password))) ; |
372 | |
373 | my $user = Text::Tradition::User->new( |
374 | id => $username, |
375 | password => ($password ? crypt_password($password) : ''), |
376 | ); |
377 | |
cf7e4e7b |
378 | $self->store($user->kiokudb_object_id, $user); |
379 | |
380 | return $user; |
381 | } |
382 | |
383 | sub create_user { |
384 | my $self = shift; |
385 | return $self->add_user(@_); |
386 | } |
387 | |
770f7a2b |
388 | =head2 find_user |
cf7e4e7b |
389 | |
390 | Takes a hashref of C<username>, optionally C<openid_identifier>. |
391 | |
392 | Fetches the user object for the given username and returns it. |
393 | |
394 | =cut |
395 | |
396 | sub find_user { |
397 | my ($self, $userinfo) = @_; |
398 | ## url or display? |
399 | # 'display' => 'castaway.myopenid.com', |
400 | # 'url' => 'http://castaway.myopenid.com/', |
401 | my $username = $userinfo->{url} || $userinfo->{username}; |
402 | |
df8c12f0 |
403 | ## No logins if user is deactivated (use lookup to fetch to re-activate) |
404 | my $user = $self->lookup(Text::Tradition::User->id_for_user($username)); |
405 | return if($user && !$user->active); |
406 | |
407 | return $user; |
cf7e4e7b |
408 | |
409 | } |
410 | |
770f7a2b |
411 | =head2 modify_user |
cf7e4e7b |
412 | |
413 | Takes a hashref of C<username> and C<password> (same as add_user). |
414 | |
415 | Retrieves the user, and updates it with the new information. Username |
416 | changing is not currently supported. |
417 | |
418 | Returns the updated user object, or undef if not found. |
419 | |
420 | =cut |
421 | |
422 | sub modify_user { |
423 | my ($self, $userinfo) = @_; |
424 | my $username = $userinfo->{username}; |
425 | my $password = $userinfo->{password}; |
426 | |
427 | return unless $username && $self->validate_password($password); |
428 | |
cf7e4e7b |
429 | my $user = $self->find_user({ username => $username }); |
430 | return unless $user; |
431 | |
432 | $user->password(crypt_password($password)); |
433 | |
434 | $self->update($user); |
435 | |
436 | return $user; |
437 | } |
438 | |
770f7a2b |
439 | =head2 deactivate_user |
cf7e4e7b |
440 | |
441 | Takes a hashref of C<username>. |
442 | |
443 | Sets the users C<active> flag to false (0), and sets all traditions |
444 | assigned to them to non-public, updates the storage and returns the |
445 | deactivated user. |
446 | |
447 | Returns undef if user not found. |
448 | |
449 | =cut |
450 | |
451 | sub deactivate_user { |
452 | my ($self, $userinfo) = @_; |
453 | my $username = $userinfo->{username}; |
454 | |
455 | return if !$username; |
456 | |
457 | my $user = $self->find_user({ username => $username }); |
458 | return if !$user; |
459 | |
460 | $user->active(0); |
461 | foreach my $tradition (@{ $user->traditions }) { |
462 | ## Not implemented yet |
463 | # $tradition->public(0); |
464 | } |
cf7e4e7b |
465 | |
466 | ## Should we be using Text::Tradition::Directory also? |
467 | $self->update(@{ $user->traditions }); |
468 | |
469 | $self->update($user); |
470 | |
471 | return $user; |
472 | } |
473 | |
770f7a2b |
474 | =head2 reactivate_user |
cf7e4e7b |
475 | |
476 | Takes a hashref of C<username>. |
477 | |
478 | Returns the user object if already activated. Activates (sets the |
479 | active flag to true (1)), updates the storage and returns the user. |
480 | |
481 | Returns undef if the user is not found. |
482 | |
483 | =cut |
484 | |
485 | sub reactivate_user { |
486 | my ($self, $userinfo) = @_; |
487 | my $username = $userinfo->{username}; |
488 | |
489 | return if !$username; |
490 | |
df8c12f0 |
491 | my $user = $self->lookup(Text::Tradition::User->id_for_user($username)); |
cf7e4e7b |
492 | return if !$user; |
493 | |
494 | return $user if $user->active; |
495 | |
496 | $user->active(1); |
497 | $self->update($user); |
498 | |
499 | return $user; |
500 | } |
501 | |
770f7a2b |
502 | =head2 delete_user |
cf7e4e7b |
503 | |
770f7a2b |
504 | CAUTION: Deletes actual data! |
cf7e4e7b |
505 | |
506 | Takes a hashref of C<username>. |
507 | |
508 | Returns undef if the user doesn't exist. |
509 | |
510 | Removes the user from the store and returns 1. |
511 | |
512 | =cut |
513 | |
514 | sub delete_user { |
515 | my ($self, $userinfo) = @_; |
516 | my $username = $userinfo->{username}; |
517 | |
518 | return if !$username; |
519 | |
cf7e4e7b |
520 | my $user = $self->find_user({ username => $username }); |
521 | return if !$user; |
522 | |
523 | ## Should we be using Text::Tradition::Directory for this bit? |
524 | $self->delete( @{ $user->traditions }); |
525 | |
526 | ## Poof, gone. |
527 | $self->delete($user); |
528 | |
529 | return 1; |
530 | } |
531 | |
770f7a2b |
532 | =head2 validate_password |
cf7e4e7b |
533 | |
534 | Takes a password string. Returns true if it is longer than |
535 | L</MIN_PASS_LEN>, false otherwise. |
536 | |
537 | Used internally by L</add_user>. |
538 | |
539 | =cut |
540 | |
541 | sub validate_password { |
542 | my ($self, $password) = @_; |
543 | |
544 | return if !$password; |
545 | return if length($password) < $self->MIN_PASS_LEN; |
546 | |
547 | return 1; |
548 | } |
549 | |
8d9a1cd8 |
550 | 1; |
12523041 |
551 | |
027d819c |
552 | =head1 LICENSE |
553 | |
554 | This package is free software and is provided "as is" without express |
555 | or implied warranty. You can redistribute it and/or modify it under |
556 | the same terms as Perl itself. |
557 | |
558 | =head1 AUTHOR |
559 | |
560 | Tara L Andrews E<lt>aurum@cpan.orgE<gt> |