forked from mantisbt/mantisbt
-
Notifications
You must be signed in to change notification settings - Fork 3
/
tag_api.php
839 lines (691 loc) · 22.9 KB
/
tag_api.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
<?php
# MantisBT - a php based bugtracking system
# MantisBT is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# MantisBT is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with MantisBT. If not, see <http://www.gnu.org/licenses/>.
/**
* Tag API
*
* @package CoreAPI
* @subpackage TagAPI
* @author John Reese
* @copyright Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright (C) 2002 - 2014 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @link http://www.mantisbt.org
*/
/**
* requires bug api
*/
require_once( 'bug_api.php' );
/**
* requires history api
*/
require_once( 'history_api.php' );
/**
* Determine if a tag exists with the given ID.
* @param integer Tag ID
* @return boolean True if tag exists
*/
function tag_exists( $p_tag_id ) {
$c_tag_id = db_prepare_int( $p_tag_id );
$t_tag_table = db_get_table( 'mantis_tag_table' );
$query = "SELECT * FROM $t_tag_table WHERE id=" . db_param();
$result = db_query_bound( $query, Array( $c_tag_id ) );
return db_num_rows( $result ) > 0;
}
/**
* Ensure a tag exists with the given ID.
* @param integer Tag ID
*/
function tag_ensure_exists( $p_tag_id ) {
if( !tag_exists( $p_tag_id ) ) {
error_parameters( $p_tag_id );
trigger_error( ERROR_TAG_NOT_FOUND, ERROR );
}
}
/**
* Determine if a given name is unique (not already used).
* Uses a case-insensitive search of the database for existing tags with the same name.
* @param string Tag name
* @return boolean True if name is unique
*/
function tag_is_unique( $p_name ) {
$c_name = trim( $p_name );
$t_tag_table = db_get_table( 'mantis_tag_table' );
$query = 'SELECT id FROM ' . $t_tag_table . ' WHERE ' . db_helper_like( 'name' );
$result = db_query_bound( $query, Array( $c_name ) );
return db_num_rows( $result ) == 0;
}
/**
* Ensure that a name is unique.
* @param string Tag name
*/
function tag_ensure_unique( $p_name ) {
if( !tag_is_unique( $p_name ) ) {
trigger_error( ERROR_TAG_DUPLICATE, ERROR );
}
}
/**
* Determine if a given name is valid.
*
* Name must not begin with '+' and '-' characters (they are used for
* filters) and must not contain the configured tag separator.
* The matches parameter allows to also receive an array of regex matches,
* which by default only includes the valid tag name itself.
* The prefix parameter is optional, but allows you to prefix the regex
* check, which is useful for filters, etc.
* @param string Tag name
* @param array Array reference for regex matches
* @param string Prefix regex pattern
* @return boolean True if the name is valid
*/
function tag_name_is_valid( $p_name, &$p_matches, $p_prefix = '' ) {
$t_separator = config_get( 'tag_separator' );
$t_pattern = "/^$p_prefix([^\+\-{$t_separator}][^{$t_separator}]*)$/";
return preg_match( $t_pattern, $p_name, $p_matches );
}
/**
* Ensure a tag name is valid.
* @param string Tag name
*/
function tag_ensure_name_is_valid( $p_name ) {
$t_matches = array();
if( !tag_name_is_valid( $p_name, $t_matches ) ) {
trigger_error( ERROR_TAG_NAME_INVALID, ERROR );
}
}
/**
* Compare two tag rows based on tag name.
* @param array Tag row 1
* @param array Tag row 2
* @return integer -1 when Tag 1 < Tag 2, 1 when Tag 1 > Tag 2, 0 otherwise
*/
function tag_cmp_name( $p_tag1, $p_tag2 ) {
return strcasecmp( $p_tag1['name'], $p_tag2['name'] );
}
/**
* Parse a form input string to extract existing and new tags.
* When given a string, parses for tag names separated by configured separator,
* then returns an array of tag rows for each tag. Existing tags get the full
* row of information returned. If the tag does not exist, a row is returned with
* id = -1 and the tag name, and if the name is invalid, a row is returned with
* id = -2 and the tag name. The resulting array is then sorted by tag name.
* @param string Input string to parse
* @return array Rows of tags parsed from input string
*/
function tag_parse_string( $p_string ) {
$t_tags = array();
$t_strings = explode( config_get( 'tag_separator' ), $p_string );
foreach( $t_strings as $t_name ) {
$t_name = trim( $t_name );
if( is_blank( $t_name ) ) {
continue;
}
$t_matches = array();
$t_tag_row = tag_get_by_name( $t_name );
if( $t_tag_row !== false ) {
$t_tags[] = $t_tag_row;
} else {
if( tag_name_is_valid( $t_name, $t_matches ) ) {
$t_id = -1;
} else {
$t_id = -2;
}
$t_tags[] = array(
'id' => $t_id,
'name' => $t_name,
);
}
}
usort( $t_tags, 'tag_cmp_name' );
return $t_tags;
}
/**
* Parse a filter string to extract existing and new tags.
* When given a string, parses for tag names separated by configured separator,
* then returns an array of tag rows for each tag. Existing tags get the full
* row of information returned. If the tag does not exist, a row is returned with
* id = -1 and the tag name, and if the name is invalid, a row is returned with
* id = -2 and the tag name. The resulting array is then sorted by tag name.
* @param string Filter string to parse
* @return array Rows of tags parsed from filter string
*/
function tag_parse_filters( $p_string ) {
$t_tags = array();
$t_prefix = '[+-]{0,1}';
$t_strings = explode( config_get( 'tag_separator' ), $p_string );
foreach( $t_strings as $t_name ) {
$t_name = trim( $t_name );
$t_matches = array();
if( !is_blank( $t_name ) && tag_name_is_valid( $t_name, $t_matches, $t_prefix ) ) {
$t_tag_row = tag_get_by_name( $t_matches[1] );
if( $t_tag_row !== false ) {
$t_filter = utf8_substr( $t_name, 0, 1 );
if( '+' == $t_filter ) {
$t_tag_row['filter'] = 1;
} else if( '-' == $t_filter ) {
$t_tag_row['filter'] = -1;
} else {
$t_tag_row['filter'] = 0;
}
$t_tags[] = $t_tag_row;
}
} else {
continue;
}
}
usort( $t_tags, 'tag_cmp_name' );
return $t_tags;
}
# CRUD
/**
* Returns all available tags
*
* @param integer A string to match the beginning of the tag name
* @param integer the number of tags to return
* @param integer the offset of the result
*
* @return ADORecordSet|bool Tags sorted by name, or false if the query failed.
*/
function tag_get_all( $p_name_filter, $p_count, $p_offset) {
$t_tag_table = db_get_table( 'mantis_tag_table' );
$t_where = '';
$t_where_params = array();
if ( !is_blank( $p_name_filter ) ) {
$t_where = 'WHERE '.db_helper_like('name');
$t_where_params[] = $p_name_filter.'%';
}
$t_query = "SELECT * FROM $t_tag_table
$t_where ORDER BY name";
return db_query_bound( $t_query, $t_where_params, $p_count, $p_offset);
}
/**
* Counts all available tags
* @param integer A string to match the beginning of the tag name
*/
function tag_count ( $p_name_filter ) {
$t_tag_table = db_get_table( 'mantis_tag_table' );
$t_where = '';
$t_where_params = array();
if ( $p_name_filter ) {
$t_where = 'WHERE '.db_helper_like('name');
$t_where_params[] = $p_name_filter.'%';
}
$t_query = "SELECT count(*) FROM $t_tag_table $t_where";
$t_result = db_query_bound( $t_query, $t_where_params );
$t_row = db_fetch_array( $t_result );
return (int)db_result( $t_result );
}
/**
* Return a tag row for the given ID.
* @param integer Tag ID
* @return array Tag row
*/
function tag_get( $p_tag_id ) {
tag_ensure_exists( $p_tag_id );
$c_tag_id = db_prepare_int( $p_tag_id );
$t_tag_table = db_get_table( 'mantis_tag_table' );
$query = "SELECT * FROM $t_tag_table
WHERE id=" . db_param();
$result = db_query_bound( $query, Array( $c_tag_id ) );
if( 0 == db_num_rows( $result ) ) {
return false;
}
$row = db_fetch_array( $result );
return $row;
}
/**
* Return a tag row for the given name.
* @param string Tag name
* @return Tag row
*/
function tag_get_by_name( $p_name ) {
$t_tag_table = db_get_table( 'mantis_tag_table' );
$query = "SELECT * FROM $t_tag_table
WHERE " . db_helper_like( 'name' );
$result = db_query_bound( $query, Array( $p_name ) );
if( 0 == db_num_rows( $result ) ) {
return false;
}
$row = db_fetch_array( $result );
return $row;
}
/**
* Return a single field from a tag row for the given ID.
* @param integer Tag ID
* @param string Field name
* @return mixed Field value
*/
function tag_get_field( $p_tag_id, $p_field_name ) {
$row = tag_get( $p_tag_id );
if( isset( $row[$p_field_name] ) ) {
return $row[$p_field_name];
} else {
error_parameters( $p_field_name );
trigger_error( ERROR_DB_FIELD_NOT_FOUND, WARNING );
return '';
}
}
/**
* Create a tag with the given name, creator, and description.
* Defaults to the currently logged in user, and a blank description.
* @param string Tag name
* @param integer User ID
* @param string Description
* @return integer Tag ID
*/
function tag_create( $p_name, $p_user_id = null, $p_description = '' ) {
access_ensure_global_level( config_get( 'tag_create_threshold' ) );
tag_ensure_name_is_valid( $p_name );
tag_ensure_unique( $p_name );
if( null == $p_user_id ) {
$p_user_id = auth_get_current_user_id();
} else {
user_ensure_exists( $p_user_id );
}
$c_user_id = db_prepare_int( $p_user_id );
$c_date_created = db_now();
$t_tag_table = db_get_table( 'mantis_tag_table' );
$query = "INSERT INTO $t_tag_table
( user_id,
name,
description,
date_created,
date_updated
)
VALUES
( " . db_param() . ",
" . db_param() . ",
" . db_param() . ",
" . db_param() . ",
" . db_param() . "
)";
db_query_bound( $query, Array( $c_user_id, trim( $p_name ), trim( $p_description ), $c_date_created, $c_date_created ) );
return db_insert_id( $t_tag_table );
}
/**
* Update a tag with given name, creator, and description.
* @param integer Tag ID
* @param string Tag name
* @param integer User ID
* @param string Description
*/
function tag_update( $p_tag_id, $p_name, $p_user_id, $p_description ) {
user_ensure_exists( $p_user_id );
if( auth_get_current_user_id() == tag_get_field( $p_tag_id, 'user_id' ) ) {
$t_update_level = config_get( 'tag_edit_own_threshold' );
} else {
$t_update_level = config_get( 'tag_edit_threshold' );
}
access_ensure_global_level( $t_update_level );
tag_ensure_name_is_valid( $p_name );
$t_tag_name = tag_get_field( $p_tag_id, 'name' );
$t_rename = false;
if( utf8_strtolower( $p_name ) != utf8_strtolower( $t_tag_name ) ) {
tag_ensure_unique( $p_name );
$t_rename = true;
}
$c_tag_id = trim( db_prepare_int( $p_tag_id ) );
$c_date_updated = db_now();
$t_tag_table = db_get_table( 'mantis_tag_table' );
$query = "UPDATE $t_tag_table
SET user_id=" . db_param() . ",
name=" . db_param() . ",
description=" . db_param() . ",
date_updated=" . db_param() . "
WHERE id=" . db_param();
db_query_bound( $query, Array( (int)$p_user_id, $p_name, $p_description, $c_date_updated, $c_tag_id ) );
if( $t_rename ) {
$t_bugs = tag_get_bugs_attached( $p_tag_id );
foreach( $t_bugs as $t_bug_id ) {
history_log_event_special( $t_bug_id, TAG_RENAMED, $t_tag_name, $p_name );
}
}
return true;
}
/**
* Delete a tag with the given ID.
* @param integer Tag ID
*/
function tag_delete( $p_tag_id ) {
tag_ensure_exists( $p_tag_id );
access_ensure_global_level( config_get( 'tag_edit_threshold' ) );
$t_bugs = tag_get_bugs_attached( $p_tag_id );
foreach( $t_bugs as $t_bug_id ) {
tag_bug_detach( $p_tag_id, $t_bug_id );
}
$c_tag_id = db_prepare_int( $p_tag_id );
$t_tag_table = db_get_table( 'mantis_tag_table' );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "DELETE FROM $t_tag_table
WHERE id=" . db_param();
db_query_bound( $query, Array( $c_tag_id ) );
return true;
}
/**
* Gets the candidates for the specified bug. These are existing tags
* that are not associated with the bug already.
*
* @param int $p_bug_id The bug id, if 0 returns all tags.
* @returns The array of tag rows, each with id, name, and description.
*/
function tag_get_candidates_for_bug( $p_bug_id ) {
$t_tag_table = db_get_table( 'mantis_tag_table' );
$t_params = array();
if ( 0 != $p_bug_id ) {
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$t_params[] = $p_bug_id;
if ( config_get_global( 'db_type' ) == 'odbc_mssql' ) {
$query = "SELECT t.id FROM $t_tag_table t
LEFT JOIN $t_bug_tag_table b ON t.id=b.tag_id
WHERE b.bug_id IS NULL OR b.bug_id != " . db_param();
$result = db_query_bound( $query, $t_params );
$t_params = null;
$t_subquery_results = array();
while( $row = db_fetch_array( $result ) ) {
$t_subquery_results[] = (int)$row['id'];
}
if ( count ( $t_subquery_results ) == 0 ) {
return array();
}
$query = "SELECT id, name, description FROM $t_tag_table WHERE id IN ( " . implode( ', ', $t_subquery_results ) . ')';
} else {
$query = "SELECT id, name, description FROM $t_tag_table WHERE id IN (
SELECT t.id FROM $t_tag_table t
LEFT JOIN $t_bug_tag_table b ON t.id=b.tag_id
WHERE b.bug_id IS NULL OR b.bug_id != " . db_param() .
')';
}
} else {
$query = 'SELECT id, name, description FROM ' . $t_tag_table;
}
$query .= ' ORDER BY name ASC ';
$result = db_query_bound( $query, $t_params );
$t_results_to_return = array();
while( $row = db_fetch_array( $result ) ) {
$t_results_to_return[] = $row;
}
return $t_results_to_return;
}
# Associative
/**
* Determine if a tag is attached to a bug.
* @param integer Tag ID
* @param integer Bug ID
* @return boolean True if the tag is attached
*/
function tag_bug_is_attached( $p_tag_id, $p_bug_id ) {
$c_tag_id = db_prepare_int( $p_tag_id );
$c_bug_id = db_prepare_int( $p_bug_id );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "SELECT * FROM $t_bug_tag_table
WHERE tag_id=" . db_param() . " AND bug_id=" . db_param();
$result = db_query_bound( $query, Array( $c_tag_id, $c_bug_id ) );
return( db_num_rows( $result ) > 0 );
}
/**
* Return the tag attachment row.
* @param integer Tag ID
* @param integer Bug ID
* @return array Tag attachment row
*/
function tag_bug_get_row( $p_tag_id, $p_bug_id ) {
$c_tag_id = db_prepare_int( $p_tag_id );
$c_bug_id = db_prepare_int( $p_bug_id );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "SELECT * FROM $t_bug_tag_table
WHERE tag_id=" . db_param() . " AND bug_id=" . db_param();
$result = db_query_bound( $query, Array( $c_tag_id, $c_bug_id ) );
if( db_num_rows( $result ) == 0 ) {
trigger_error( TAG_NOT_ATTACHED, ERROR );
}
return db_fetch_array( $result );
}
/**
* Return an array of tags attached to a given bug sorted by tag name.
* @param Bug ID
* @return array Array of tag rows with attachement information
*/
function tag_bug_get_attached( $p_bug_id ) {
$c_bug_id = db_prepare_int( $p_bug_id );
$t_tag_table = db_get_table( 'mantis_tag_table' );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "SELECT t.*, b.user_id as user_attached, b.date_attached
FROM $t_tag_table as t
LEFT JOIN $t_bug_tag_table as b
on t.id=b.tag_id
WHERE b.bug_id=" . db_param();
$result = db_query_bound( $query, Array( $c_bug_id ) );
$rows = array();
while( $row = db_fetch_array( $result ) ) {
$rows[] = $row;
}
usort( $rows, 'tag_cmp_name' );
return $rows;
}
/**
* Return an array of bugs that a tag is attached to.
* @param integer Tag ID
* @return array Array of bug ID's.
*/
function tag_get_bugs_attached( $p_tag_id ) {
$c_tag_id = db_prepare_int( $p_tag_id );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "SELECT bug_id FROM $t_bug_tag_table
WHERE tag_id=" . db_param();
$result = db_query_bound( $query, Array( $c_tag_id ) );
$bugs = array();
while( $row = db_fetch_array( $result ) ) {
$bugs[] = $row['bug_id'];
}
return $bugs;
}
/**
* Attach a tag to a bug.
* @param integer Tag ID
* @param integer Bug ID
* @param integer User ID
*/
function tag_bug_attach( $p_tag_id, $p_bug_id, $p_user_id = null ) {
access_ensure_bug_level( config_get( 'tag_attach_threshold' ), $p_bug_id, $p_user_id );
tag_ensure_exists( $p_tag_id );
if( tag_bug_is_attached( $p_tag_id, $p_bug_id ) ) {
trigger_error( TAG_ALREADY_ATTACHED, ERROR );
}
if( null == $p_user_id ) {
$p_user_id = auth_get_current_user_id();
} else {
user_ensure_exists( $p_user_id );
}
$c_tag_id = db_prepare_int( $p_tag_id );
$c_bug_id = db_prepare_int( $p_bug_id );
$c_user_id = db_prepare_int( $p_user_id );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "INSERT INTO $t_bug_tag_table
( tag_id,
bug_id,
user_id,
date_attached
)
VALUES
( " . db_param() . ",
" . db_param() . ",
" . db_param() . ",
" . db_param() . "
)";
db_query_bound( $query, Array( $c_tag_id, $c_bug_id, $c_user_id, db_now() ) );
$t_tag_name = tag_get_field( $p_tag_id, 'name' );
history_log_event_special( $p_bug_id, TAG_ATTACHED, $t_tag_name );
# updated the last_updated date
bug_update_date( $p_bug_id );
return true;
}
/**
* Detach a tag from a bug.
* @param integer Tag ID
* @param integer Bug ID
* @param boolean Add history entries to bug
* @param integer User Id (or null for current logged in user)
*/
function tag_bug_detach( $p_tag_id, $p_bug_id, $p_add_history = true, $p_user_id = null ) {
if( $p_user_id === null ) {
$t_user_id = auth_get_current_user_id();
} else {
$t_user_id = $p_user_id;
}
if( !tag_bug_is_attached( $p_tag_id, $p_bug_id ) ) {
trigger_error( TAG_NOT_ATTACHED, ERROR );
}
$t_tag_row = tag_bug_get_row( $p_tag_id, $p_bug_id);
if( $t_user_id == tag_get_field( $p_tag_id, 'user_id' ) || $t_user_id == $t_tag_row[ 'user_id' ] ) {
$t_detach_level = config_get( 'tag_detach_own_threshold' );
} else {
$t_detach_level = config_get( 'tag_detach_threshold' );
}
access_ensure_bug_level( $t_detach_level, $p_bug_id, $t_user_id );
$c_tag_id = db_prepare_int( $p_tag_id );
$c_bug_id = db_prepare_int( $p_bug_id );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "DELETE FROM $t_bug_tag_table
WHERE tag_id=" . db_param() . ' AND bug_id=' . db_param();
db_query_bound( $query, Array( $c_tag_id, $c_bug_id ) );
if( $p_add_history ) {
$t_tag_name = tag_get_field( $p_tag_id, 'name' );
history_log_event_special( $p_bug_id, TAG_DETACHED, $t_tag_name );
}
# updated the last_updated date
bug_update_date( $p_bug_id );
return true;
}
/**
* Detach all tags from a given bug.
* @param integer Bug ID
* @param boolean Add history entries to bug
* @param integer User Id (or null for current logged in user)
*/
function tag_bug_detach_all( $p_bug_id, $p_add_history = true, $p_user_id = null ) {
$t_tags = tag_bug_get_attached( $p_bug_id );
foreach( $t_tags as $t_tag_row ) {
tag_bug_detach( $t_tag_row['id'], $p_bug_id, $p_add_history, $p_user_id );
}
}
# Display
/**
* Display a tag hyperlink.
* If a bug ID is passed, the tag link will include a detach link if the
* user has appropriate privileges.
* @param array Tag row
* @param integer Bug ID
*/
function tag_display_link( $p_tag_row, $p_bug_id = 0 ) {
static $t_security_token = null;
if( is_null( $t_security_token ) ) {
$t_security_token = htmlspecialchars( form_security_param( 'tag_detach' ) );
}
if( auth_get_current_user_id() == $p_tag_row['user_attached'] || auth_get_current_user_id() == $p_tag_row['user_id'] ) {
$t_detach = config_get( 'tag_detach_own_threshold' );
} else {
$t_detach = config_get( 'tag_detach_threshold' );
}
$t_name = string_display_line( $p_tag_row['name'] );
$t_description = string_display_line( $p_tag_row['description'] );
echo "<a href='tag_view_page.php?tag_id=$p_tag_row[id]' title='$t_description'>$t_name</a>";
if( $p_bug_id > 0 && access_has_bug_level( $t_detach, $p_bug_id ) ) {
$t_tooltip = string_html_specialchars( sprintf( lang_get( 'tag_detach' ), $t_name ) );
echo " <a href='tag_detach.php?bug_id=$p_bug_id&tag_id=$p_tag_row[id]$t_security_token'><img src='images/delete.png' class='delete-icon' title=\"$t_tooltip\" alt=\"X\"/></a>";
}
return true;
}
/**
* Display a list of attached tag hyperlinks separated by the configured hyperlinks.
* @param Bug ID
*/
function tag_display_attached( $p_bug_id ) {
$t_tag_rows = tag_bug_get_attached( $p_bug_id );
if( count( $t_tag_rows ) == 0 ) {
echo lang_get( 'tag_none_attached' );
} else {
$i = 0;
foreach( $t_tag_rows as $t_tag ) {
echo( $i > 0 ? config_get( 'tag_separator' ) . ' ' : '' );
tag_display_link( $t_tag, $p_bug_id );
$i++;
}
}
return true;
}
# Statistics
/**
* Get the number of bugs a given tag is attached to.
* @param integer Tag ID
* @return integer Number of attached bugs
*/
function tag_stats_attached( $p_tag_id ) {
$c_tag_id = db_prepare_int( $p_tag_id );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$query = "SELECT COUNT(*) FROM $t_bug_tag_table
WHERE tag_id=" . db_param();
$result = db_query_bound( $query, Array( $c_tag_id ) );
return db_result( $result );
}
/**
* Get a list of related tags.
* Returns a list of tags that are the most related to the given tag,
* based on the number of times they have been attached to the same bugs.
* Defaults to a list of five tags.
* @param integer Tag ID
* @param integer List size
* @return array Array of tag rows, with share count added
*/
function tag_stats_related( $p_tag_id, $p_limit = 5 ) {
$t_bug_table = db_get_table( 'mantis_bug_table' );
$t_tag_table = db_get_table( 'mantis_tag_table' );
$t_bug_tag_table = db_get_table( 'mantis_bug_tag_table' );
$t_project_user_list_table = db_get_table( 'mantis_project_user_list_table' );
$t_user_table = db_get_table( 'mantis_user_table' );
$c_tag_id = db_prepare_int( $p_tag_id );
$c_user_id = auth_get_current_user_id();
$subquery = "SELECT b.id FROM $t_bug_table AS b
LEFT JOIN $t_project_user_list_table AS p
ON p.project_id=b.project_id AND p.user_id=" . db_param() . "
JOIN $t_user_table AS u
ON u.id=" . db_param() . "
JOIN $t_bug_tag_table AS t
ON t.bug_id=b.id
WHERE ( p.access_level>b.view_state OR u.access_level>b.view_state )
AND t.tag_id=" . db_param();
$query = "SELECT * FROM $t_bug_tag_table
WHERE tag_id != " . db_param() . "
AND bug_id IN ( $subquery ) ";
$result = db_query_bound( $query, Array( /*query*/ $c_tag_id, /*subquery*/ $c_user_id, $c_user_id, $c_tag_id ) );
$t_tag_counts = array();
while( $row = db_fetch_array( $result ) ) {
if( !isset( $t_tag_counts[$row['tag_id']] ) ) {
$t_tag_counts[$row['tag_id']] = 1;
} else {
$t_tag_counts[$row['tag_id']]++;
}
}
arsort( $t_tag_counts );
$t_tags = array();
$i = 1;
foreach( $t_tag_counts as $t_tag_id => $t_count ) {
$t_tag_row = tag_get( $t_tag_id );
$t_tag_row['count'] = $t_count;
$t_tags[] = $t_tag_row;
$i++;
if( $i > $p_limit ) {
break;
}
}
return $t_tags;
}