mirrored from git://git.moodle.org/moodle.git
/
lib.php
1342 lines (1167 loc) · 56.2 KB
/
lib.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
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Library of workshop module functions needed by Moodle core and other subsystems
*
* All the functions neeeded by Moodle core, gradebook, file subsystem etc
* are placed here.
*
* @package mod
* @subpackage workshop
* @copyright 2009 David Mudrak <david.mudrak@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
////////////////////////////////////////////////////////////////////////////////
// Moodle core API //
////////////////////////////////////////////////////////////////////////////////
/**
* Returns the information if the module supports a feature
*
* @see plugin_supports() in lib/moodlelib.php
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed true if the feature is supported, null if unknown
*/
function workshop_supports($feature) {
switch($feature) {
case FEATURE_GRADE_HAS_GRADE: return true;
case FEATURE_GROUPS: return true;
case FEATURE_GROUPINGS: return true;
case FEATURE_GROUPMEMBERSONLY: return true;
case FEATURE_MOD_INTRO: return true;
case FEATURE_BACKUP_MOODLE2: return true;
case FEATURE_COMPLETION_TRACKS_VIEWS:
return true;
default: return null;
}
}
/**
* Saves a new instance of the workshop into the database
*
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will save a new instance and return the id number
* of the new instance.
*
* @param stdClass $workshop An object from the form in mod_form.php
* @return int The id of the newly inserted workshop record
*/
function workshop_add_instance(stdclass $workshop) {
global $CFG, $DB;
require_once(dirname(__FILE__) . '/locallib.php');
$workshop->phase = workshop::PHASE_SETUP;
$workshop->timecreated = time();
$workshop->timemodified = $workshop->timecreated;
$workshop->useexamples = (int)!empty($workshop->useexamples); // unticked checkbox hack
$workshop->usepeerassessment = (int)!empty($workshop->usepeerassessment); // unticked checkbox hack
$workshop->useselfassessment = (int)!empty($workshop->useselfassessment); // unticked checkbox hack
$workshop->latesubmissions = (int)!empty($workshop->latesubmissions); // unticked checkbox hack
$workshop->evaluation = 'best';
// insert the new record so we get the id
$workshop->id = $DB->insert_record('workshop', $workshop);
// we need to use context now, so we need to make sure all needed info is already in db
$cmid = $workshop->coursemodule;
$DB->set_field('course_modules', 'instance', $workshop->id, array('id' => $cmid));
$context = get_context_instance(CONTEXT_MODULE, $cmid);
// process the custom wysiwyg editors
if ($draftitemid = $workshop->instructauthorseditor['itemid']) {
$workshop->instructauthors = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructauthors',
0, workshop::instruction_editors_options($context), $workshop->instructauthorseditor['text']);
$workshop->instructauthorsformat = $workshop->instructauthorseditor['format'];
}
if ($draftitemid = $workshop->instructreviewerseditor['itemid']) {
$workshop->instructreviewers = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructreviewers',
0, workshop::instruction_editors_options($context), $workshop->instructreviewerseditor['text']);
$workshop->instructreviewersformat = $workshop->instructreviewerseditor['format'];
}
// re-save the record with the replaced URLs in editor fields
$DB->update_record('workshop', $workshop);
// update gradebook item
workshop_grade_item_update($workshop);
return $workshop->id;
}
/**
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will update an existing instance with new data.
*
* @param stdClass $workshop An object from the form in mod_form.php
* @return bool success
*/
function workshop_update_instance(stdclass $workshop) {
global $CFG, $DB;
require_once(dirname(__FILE__) . '/locallib.php');
$workshop->timemodified = time();
$workshop->id = $workshop->instance;
$workshop->useexamples = (int)!empty($workshop->useexamples); // unticked checkbox hack
$workshop->usepeerassessment = (int)!empty($workshop->usepeerassessment); // unticked checkbox hack
$workshop->useselfassessment = (int)!empty($workshop->useselfassessment); // unticked checkbox hack
$workshop->latesubmissions = (int)!empty($workshop->latesubmissions); // unticked checkbox hack
$workshop->evaluation = 'best';
// todo - if the grading strategy is being changed, we must replace all aggregated peer grades with nulls
// todo - if maximum grades are being changed, we should probably recalculate or invalidate them
$DB->update_record('workshop', $workshop);
$context = get_context_instance(CONTEXT_MODULE, $workshop->coursemodule);
// process the custom wysiwyg editors
if ($draftitemid = $workshop->instructauthorseditor['itemid']) {
$workshop->instructauthors = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructauthors',
0, workshop::instruction_editors_options($context), $workshop->instructauthorseditor['text']);
$workshop->instructauthorsformat = $workshop->instructauthorseditor['format'];
}
if ($draftitemid = $workshop->instructreviewerseditor['itemid']) {
$workshop->instructreviewers = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructreviewers',
0, workshop::instruction_editors_options($context), $workshop->instructreviewerseditor['text']);
$workshop->instructreviewersformat = $workshop->instructreviewerseditor['format'];
}
// re-save the record with the replaced URLs in editor fields
$DB->update_record('workshop', $workshop);
// update gradebook item
workshop_grade_item_update($workshop);
return true;
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @param int $id Id of the module instance
* @return boolean Success/Failure
*/
function workshop_delete_instance($id) {
global $CFG, $DB;
require_once($CFG->libdir.'/gradelib.php');
if (! $workshop = $DB->get_record('workshop', array('id' => $id))) {
return false;
}
// delete all associated aggregations
$DB->delete_records('workshop_aggregations', array('workshopid' => $workshop->id));
// get the list of ids of all submissions
$submissions = $DB->get_records('workshop_submissions', array('workshopid' => $workshop->id), '', 'id');
// get the list of all allocated assessments
$assessments = $DB->get_records_list('workshop_assessments', 'submissionid', array_keys($submissions), '', 'id');
// delete the associated records from the workshop core tables
$DB->delete_records_list('workshop_grades', 'assessmentid', array_keys($assessments));
$DB->delete_records_list('workshop_assessments', 'id', array_keys($assessments));
$DB->delete_records_list('workshop_submissions', 'id', array_keys($submissions));
// call the static clean-up methods of all available subplugins
$strategies = get_plugin_list('workshopform');
foreach ($strategies as $strategy => $path) {
require_once($path.'/lib.php');
$classname = 'workshop_'.$strategy.'_strategy';
call_user_func($classname.'::delete_instance', $workshop->id);
}
$allocators = get_plugin_list('workshopallocation');
foreach ($allocators as $allocator => $path) {
require_once($path.'/lib.php');
$classname = 'workshop_'.$allocator.'_allocator';
call_user_func($classname.'::delete_instance', $workshop->id);
}
$evaluators = get_plugin_list('workshopeval');
foreach ($evaluators as $evaluator => $path) {
require_once($path.'/lib.php');
$classname = 'workshop_'.$evaluator.'_evaluation';
call_user_func($classname.'::delete_instance', $workshop->id);
}
// finally remove the workshop record itself
$DB->delete_records('workshop', array('id' => $workshop->id));
// gradebook cleanup
grade_update('mod/workshop', $workshop->course, 'mod', 'workshop', $workshop->id, 0, null, array('deleted' => true));
grade_update('mod/workshop', $workshop->course, 'mod', 'workshop', $workshop->id, 1, null, array('deleted' => true));
return true;
}
/**
* Return a small object with summary information about what a
* user has done with a given particular instance of this module
* Used for user activity reports.
* $return->time = the time they did it
* $return->info = a short text description
*
* @return stdclass|null
*/
function workshop_user_outline($course, $user, $mod, $workshop) {
global $CFG, $DB;
require_once($CFG->libdir.'/gradelib.php');
$grades = grade_get_grades($course->id, 'mod', 'workshop', $workshop->id, $user->id);
$submissiongrade = null;
$assessmentgrade = null;
$info = '';
$time = 0;
if (!empty($grades->items[0]->grades)) {
$submissiongrade = reset($grades->items[0]->grades);
$info .= get_string('submissiongrade', 'workshop') . ': ' . $submissiongrade->str_long_grade . html_writer::empty_tag('br');
$time = max($time, $submissiongrade->dategraded);
}
if (!empty($grades->items[1]->grades)) {
$assessmentgrade = reset($grades->items[1]->grades);
$info .= get_string('gradinggrade', 'workshop') . ': ' . $assessmentgrade->str_long_grade;
$time = max($time, $assessmentgrade->dategraded);
}
if (!empty($info) and !empty($time)) {
$return = new stdclass();
$return->time = $time;
$return->info = $info;
return $return;
}
return null;
}
/**
* Print a detailed representation of what a user has done with
* a given particular instance of this module, for user activity reports.
*
* @return string HTML
*/
function workshop_user_complete($course, $user, $mod, $workshop) {
global $CFG, $DB, $OUTPUT;
require_once(dirname(__FILE__).'/locallib.php');
require_once($CFG->libdir.'/gradelib.php');
$workshop = new workshop($workshop, $mod, $course);
$grades = grade_get_grades($course->id, 'mod', 'workshop', $workshop->id, $user->id);
if (!empty($grades->items[0]->grades)) {
$submissiongrade = reset($grades->items[0]->grades);
$info = get_string('submissiongrade', 'workshop') . ': ' . $submissiongrade->str_long_grade;
echo html_writer::tag('li', $info, array('class'=>'submissiongrade'));
}
if (!empty($grades->items[1]->grades)) {
$assessmentgrade = reset($grades->items[1]->grades);
$info = get_string('gradinggrade', 'workshop') . ': ' . $assessmentgrade->str_long_grade;
echo html_writer::tag('li', $info, array('class'=>'gradinggrade'));
}
if (has_capability('mod/workshop:viewallsubmissions', $workshop->context)) {
if ($submission = $workshop->get_submission_by_author($user->id)) {
$title = format_string($submission->title);
$url = $workshop->submission_url($submission->id);
$link = html_writer::link($url, $title);
$info = get_string('submission', 'workshop').': '.$link;
echo html_writer::tag('li', $info, array('class'=>'submission'));
}
}
if (has_capability('mod/workshop:viewallassessments', $workshop->context)) {
if ($assessments = $workshop->get_assessments_by_reviewer($user->id)) {
foreach ($assessments as $assessment) {
$a = new stdclass();
$a->submissionurl = $workshop->submission_url($assessment->submissionid)->out();
$a->assessmenturl = $workshop->assess_url($assessment->id)->out();
$a->submissiontitle = s($assessment->submissiontitle);
echo html_writer::tag('li', get_string('assessmentofsubmission', 'workshop', $a));
}
}
}
}
/**
* Given a course and a time, this module should find recent activity
* that has occurred in workshop activities and print it out.
* Return true if there was output, or false is there was none.
*
* @param stdClass $course
* @param bool $viewfullnames
* @param int $timestart
* @return boolean
*/
function workshop_print_recent_activity($course, $viewfullnames, $timestart) {
global $CFG, $USER, $DB, $OUTPUT;
$sql = "SELECT s.id AS submissionid, s.title AS submissiontitle, s.timemodified AS submissionmodified,
author.id AS authorid, author.lastname AS authorlastname, author.firstname AS authorfirstname,
a.id AS assessmentid, a.timemodified AS assessmentmodified,
reviewer.id AS reviewerid, reviewer.lastname AS reviewerlastname, reviewer.firstname AS reviewerfirstname,
cm.id AS cmid
FROM {workshop} w
INNER JOIN {course_modules} cm ON cm.instance = w.id
INNER JOIN {modules} md ON md.id = cm.module
INNER JOIN {workshop_submissions} s ON s.workshopid = w.id
INNER JOIN {user} author ON s.authorid = author.id
LEFT JOIN {workshop_assessments} a ON a.submissionid = s.id
LEFT JOIN {user} reviewer ON a.reviewerid = reviewer.id
WHERE cm.course = ?
AND md.name = 'workshop'
AND s.example = 0
AND (s.timemodified > ? OR a.timemodified > ?)";
$rs = $DB->get_recordset_sql($sql, array($course->id, $timestart, $timestart));
$modinfo =& get_fast_modinfo($course); // reference needed because we might load the groups
$submissions = array(); // recent submissions indexed by submission id
$assessments = array(); // recent assessments indexed by assessment id
$users = array();
foreach ($rs as $activity) {
if (!array_key_exists($activity->cmid, $modinfo->cms)) {
// this should not happen but just in case
continue;
}
$cm = $modinfo->cms[$activity->cmid];
if (!$cm->uservisible) {
continue;
}
if ($viewfullnames) {
// remember all user names we can use later
if (empty($users[$activity->authorid])) {
$u = new stdclass();
$u->lastname = $activity->authorlastname;
$u->firstname = $activity->authorfirstname;
$users[$activity->authorid] = $u;
}
if ($activity->reviewerid and empty($users[$activity->reviewerid])) {
$u = new stdclass();
$u->lastname = $activity->reviewerlastname;
$u->firstname = $activity->reviewerfirstname;
$users[$activity->reviewerid] = $u;
}
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$groupmode = groups_get_activity_groupmode($cm, $course);
if ($activity->submissionmodified > $timestart and empty($submissions[$activity->submissionid])) {
$s = new stdclass();
$s->title = $activity->submissiontitle;
$s->authorid = $activity->authorid;
$s->timemodified = $activity->submissionmodified;
$s->cmid = $activity->cmid;
if (has_capability('mod/workshop:viewauthornames', $context)) {
$s->authornamevisible = true;
} else {
$s->authornamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($s->authorid === $USER->id) {
// own submissions always visible
$submissions[$activity->submissionid] = $s;
break;
}
if (has_capability('mod/workshop:viewallsubmissions', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
if (is_null($modinfo->groups)) {
$modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$authorsgroups = groups_get_all_groups($course->id, $s->authorid, $cm->groupingid);
if (is_array($authorsgroups)) {
$authorsgroups = array_keys($authorsgroups);
$intersect = array_intersect($authorsgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all submissions and shares a group with the author
$submissions[$activity->submissionid] = $s;
break;
}
}
} else {
// can see all submissions from all groups
$submissions[$activity->submissionid] = $s;
}
}
} while (0);
}
if ($activity->assessmentmodified > $timestart and empty($assessments[$activity->assessmentid])) {
$a = new stdclass();
$a->submissionid = $activity->submissionid;
$a->submissiontitle = $activity->submissiontitle;
$a->reviewerid = $activity->reviewerid;
$a->timemodified = $activity->assessmentmodified;
$a->cmid = $activity->cmid;
if (has_capability('mod/workshop:viewreviewernames', $context)) {
$a->reviewernamevisible = true;
} else {
$a->reviewernamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($a->reviewerid === $USER->id) {
// own assessments always visible
$assessments[$activity->assessmentid] = $a;
break;
}
if (has_capability('mod/workshop:viewallassessments', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
if (is_null($modinfo->groups)) {
$modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$reviewersgroups = groups_get_all_groups($course->id, $a->reviewerid, $cm->groupingid);
if (is_array($reviewersgroups)) {
$reviewersgroups = array_keys($reviewersgroups);
$intersect = array_intersect($reviewersgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all assessments and shares a group with the reviewer
$assessments[$activity->assessmentid] = $a;
break;
}
}
} else {
// can see all assessments from all groups
$assessments[$activity->assessmentid] = $a;
}
}
} while (0);
}
}
$rs->close();
$shown = false;
if (!empty($submissions)) {
$shown = true;
echo $OUTPUT->heading(get_string('recentsubmissions', 'workshop'), 3);
foreach ($submissions as $id => $submission) {
$link = new moodle_url('/mod/workshop/submission.php', array('id'=>$id, 'cmid'=>$submission->cmid));
if ($viewfullnames and $submission->authornamevisible) {
$author = $users[$submission->authorid];
} else {
$author = null;
}
print_recent_activity_note($submission->timemodified, $author, $submission->title, $link->out(), false, $viewfullnames);
}
}
if (!empty($assessments)) {
$shown = true;
echo $OUTPUT->heading(get_string('recentassessments', 'workshop'), 3);
foreach ($assessments as $id => $assessment) {
$link = new moodle_url('/mod/workshop/assessment.php', array('asid' => $id));
if ($viewfullnames and $assessment->reviewernamevisible) {
$reviewer = $users[$assessment->reviewerid];
} else {
$reviewer = null;
}
print_recent_activity_note($assessment->timemodified, $reviewer, $assessment->submissiontitle, $link->out(), false, $viewfullnames);
}
}
if ($shown) {
return true;
}
return false;
}
/**
* Returns all activity in course workshops since a given time
*
* @param array $activities sequentially indexed array of objects
* @param int $index
* @param int $timestart
* @param int $courseid
* @param int $cmid
* @param int $userid defaults to 0
* @param int $groupid defaults to 0
* @return void adds items into $activities and increases $index
*/
function workshop_get_recent_mod_activity(&$activities, &$index, $timestart, $courseid, $cmid, $userid=0, $groupid=0) {
global $CFG, $COURSE, $USER, $DB;
if ($COURSE->id == $courseid) {
$course = $COURSE;
} else {
$course = $DB->get_record('course', array('id'=>$courseid));
}
$modinfo =& get_fast_modinfo($course);
$cm = $modinfo->cms[$cmid];
$params = array();
if ($userid) {
$userselect = "AND (author.id = :authorid OR reviewer.id = :reviewerid)";
$params['authorid'] = $userid;
$params['reviewerid'] = $userid;
} else {
$userselect = "";
}
if ($groupid) {
$groupselect = "AND (authorgroupmembership.groupid = :authorgroupid OR reviewergroupmembership.groupid = :reviewergroupid)";
$groupjoin = "LEFT JOIN {groups_members} authorgroupmembership ON authorgroupmembership.userid = author.id
LEFT JOIN {groups_members} reviewergroupmembership ON reviewergroupmembership.userid = reviewer.id";
$params['authorgroupid'] = $groupid;
$params['reviewergroupid'] = $groupid;
} else {
$groupselect = "";
$groupjoin = "";
}
$params['cminstance'] = $cm->instance;
$params['submissionmodified'] = $timestart;
$params['assessmentmodified'] = $timestart;
$sql = "SELECT s.id AS submissionid, s.title AS submissiontitle, s.timemodified AS submissionmodified,
author.id AS authorid, author.lastname AS authorlastname, author.firstname AS authorfirstname,
author.picture AS authorpicture, author.imagealt AS authorimagealt, author.email AS authoremail,
a.id AS assessmentid, a.timemodified AS assessmentmodified,
reviewer.id AS reviewerid, reviewer.lastname AS reviewerlastname, reviewer.firstname AS reviewerfirstname,
reviewer.picture AS reviewerpicture, reviewer.imagealt AS reviewerimagealt, reviewer.email AS revieweremail
FROM {workshop_submissions} s
INNER JOIN {workshop} w ON s.workshopid = w.id
INNER JOIN {user} author ON s.authorid = author.id
LEFT JOIN {workshop_assessments} a ON a.submissionid = s.id
LEFT JOIN {user} reviewer ON a.reviewerid = reviewer.id
$groupjoin
WHERE w.id = :cminstance
AND s.example = 0
$userselect $groupselect
AND (s.timemodified > :submissionmodified OR a.timemodified > :assessmentmodified)
ORDER BY s.timemodified ASC, a.timemodified ASC";
$rs = $DB->get_recordset_sql($sql, $params);
$groupmode = groups_get_activity_groupmode($cm, $course);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$grader = has_capability('moodle/grade:viewall', $context);
$accessallgroups = has_capability('moodle/site:accessallgroups', $context);
$viewfullnames = has_capability('moodle/site:viewfullnames', $context);
$viewauthors = has_capability('mod/workshop:viewauthornames', $context);
$viewreviewers = has_capability('mod/workshop:viewreviewernames', $context);
if (is_null($modinfo->groups)) {
$modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
}
$submissions = array(); // recent submissions indexed by submission id
$assessments = array(); // recent assessments indexed by assessment id
$users = array();
foreach ($rs as $activity) {
if ($viewfullnames) {
// remember all user names we can use later
if (empty($users[$activity->authorid])) {
$u = new stdclass();
$u->id = $activity->authorid;
$u->lastname = $activity->authorlastname;
$u->firstname = $activity->authorfirstname;
$u->picture = $activity->authorpicture;
$u->imagealt = $activity->authorimagealt;
$u->email = $activity->authoremail;
$users[$activity->authorid] = $u;
}
if ($activity->reviewerid and empty($users[$activity->reviewerid])) {
$u = new stdclass();
$u->id = $activity->reviewerid;
$u->lastname = $activity->reviewerlastname;
$u->firstname = $activity->reviewerfirstname;
$u->picture = $activity->reviewerpicture;
$u->imagealt = $activity->reviewerimagealt;
$u->email = $activity->revieweremail;
$users[$activity->reviewerid] = $u;
}
}
if ($activity->submissionmodified > $timestart and empty($submissions[$activity->submissionid])) {
$s = new stdclass();
$s->id = $activity->submissionid;
$s->title = $activity->submissiontitle;
$s->authorid = $activity->authorid;
$s->timemodified = $activity->submissionmodified;
if (has_capability('mod/workshop:viewauthornames', $context)) {
$s->authornamevisible = true;
} else {
$s->authornamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($s->authorid === $USER->id) {
// own submissions always visible
$submissions[$activity->submissionid] = $s;
break;
}
if (has_capability('mod/workshop:viewallsubmissions', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$authorsgroups = groups_get_all_groups($course->id, $s->authorid, $cm->groupingid);
if (is_array($authorsgroups)) {
$authorsgroups = array_keys($authorsgroups);
$intersect = array_intersect($authorsgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all submissions and shares a group with the author
$submissions[$activity->submissionid] = $s;
break;
}
}
} else {
// can see all submissions from all groups
$submissions[$activity->submissionid] = $s;
}
}
} while (0);
}
if ($activity->assessmentmodified > $timestart and empty($assessments[$activity->assessmentid])) {
$a = new stdclass();
$a->id = $activity->assessmentid;
$a->submissionid = $activity->submissionid;
$a->submissiontitle = $activity->submissiontitle;
$a->reviewerid = $activity->reviewerid;
$a->timemodified = $activity->assessmentmodified;
if (has_capability('mod/workshop:viewreviewernames', $context)) {
$a->reviewernamevisible = true;
} else {
$a->reviewernamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($a->reviewerid === $USER->id) {
// own assessments always visible
$assessments[$activity->assessmentid] = $a;
break;
}
if (has_capability('mod/workshop:viewallassessments', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$reviewersgroups = groups_get_all_groups($course->id, $a->reviewerid, $cm->groupingid);
if (is_array($reviewersgroups)) {
$reviewersgroups = array_keys($reviewersgroups);
$intersect = array_intersect($reviewersgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all assessments and shares a group with the reviewer
$assessments[$activity->assessmentid] = $a;
break;
}
}
} else {
// can see all assessments from all groups
$assessments[$activity->assessmentid] = $a;
}
}
} while (0);
}
}
$rs->close();
$workshopname = format_string($cm->name, true);
if ($grader) {
require_once($CFG->libdir.'/gradelib.php');
$grades = grade_get_grades($courseid, 'mod', 'workshop', $cm->instance, array_keys($users));
}
foreach ($submissions as $submission) {
$tmpactivity = new stdclass();
$tmpactivity->type = 'workshop';
$tmpactivity->cmid = $cm->id;
$tmpactivity->name = $workshopname;
$tmpactivity->sectionnum = $cm->sectionnum;
$tmpactivity->timestamp = $submission->timemodified;
$tmpactivity->subtype = 'submission';
$tmpactivity->content = $submission;
if ($grader) {
$tmpactivity->grade = $grades->items[0]->grades[$submission->authorid]->str_long_grade;
}
if ($submission->authornamevisible and !empty($users[$submission->authorid])) {
$tmpactivity->user = $users[$submission->authorid];
}
$activities[$index++] = $tmpactivity;
}
foreach ($assessments as $assessment) {
$tmpactivity = new stdclass();
$tmpactivity->type = 'workshop';
$tmpactivity->cmid = $cm->id;
$tmpactivity->name = $workshopname;
$tmpactivity->sectionnum = $cm->sectionnum;
$tmpactivity->timestamp = $assessment->timemodified;
$tmpactivity->subtype = 'assessment';
$tmpactivity->content = $assessment;
if ($grader) {
$tmpactivity->grade = $grades->items[1]->grades[$assessment->reviewerid]->str_long_grade;
}
if ($assessment->reviewernamevisible and !empty($users[$assessment->reviewerid])) {
$tmpactivity->user = $users[$assessment->reviewerid];
}
$activities[$index++] = $tmpactivity;
}
}
/**
* Print single activity item prepared by {@see workshop_get_recent_mod_activity()}
*/
function workshop_print_recent_mod_activity($activity, $courseid, $detail, $modnames, $viewfullnames) {
global $CFG, $OUTPUT;
if (!empty($activity->user)) {
echo html_writer::tag('div', $OUTPUT->user_picture($activity->user, array('courseid'=>$courseid)),
array('style' => 'float: left; padding: 7px;'));
}
if ($activity->subtype == 'submission') {
echo html_writer::start_tag('div', array('class'=>'submission', 'style'=>'padding: 7px; float:left;'));
if ($detail) {
echo html_writer::start_tag('h4', array('class'=>'workshop'));
$url = new moodle_url('/mod/workshop/view.php', array('id'=>$activity->cmid));
$name = s($activity->name);
echo html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('icon', $activity->type), 'class'=>'icon', 'alt'=>$name));
echo ' ' . $modnames[$activity->type];
echo html_writer::link($url, $name, array('class'=>'name', 'style'=>'margin-left: 5px'));
echo html_writer::end_tag('h4');
}
echo html_writer::start_tag('div', array('class'=>'title'));
$url = new moodle_url('/mod/workshop/submission.php', array('cmid'=>$activity->cmid, 'id'=>$activity->content->id));
$name = s($activity->content->title);
echo html_writer::tag('strong', html_writer::link($url, $name));
echo html_writer::end_tag('div');
if (!empty($activity->user)) {
echo html_writer::start_tag('div', array('class'=>'user'));
$url = new moodle_url('/user/view.php', array('id'=>$activity->user->id, 'course'=>$courseid));
$name = fullname($activity->user);
$link = html_writer::link($url, $name);
echo get_string('submissionby', 'workshop', $link);
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
} else {
echo html_writer::start_tag('div', array('class'=>'anonymous'));
echo get_string('submission', 'workshop');
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
}
echo html_writer::end_tag('div');
}
if ($activity->subtype == 'assessment') {
echo html_writer::start_tag('div', array('class'=>'assessment', 'style'=>'padding: 7px; float:left;'));
if ($detail) {
echo html_writer::start_tag('h4', array('class'=>'workshop'));
$url = new moodle_url('/mod/workshop/view.php', array('id'=>$activity->cmid));
$name = s($activity->name);
echo html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('icon', $activity->type), 'class'=>'icon', 'alt'=>$name));
echo ' ' . $modnames[$activity->type];
echo html_writer::link($url, $name, array('class'=>'name', 'style'=>'margin-left: 5px'));
echo html_writer::end_tag('h4');
}
echo html_writer::start_tag('div', array('class'=>'title'));
$url = new moodle_url('/mod/workshop/assessment.php', array('asid'=>$activity->content->id));
$name = s($activity->content->submissiontitle);
echo html_writer::tag('em', html_writer::link($url, $name));
echo html_writer::end_tag('div');
if (!empty($activity->user)) {
echo html_writer::start_tag('div', array('class'=>'user'));
$url = new moodle_url('/user/view.php', array('id'=>$activity->user->id, 'course'=>$courseid));
$name = fullname($activity->user);
$link = html_writer::link($url, $name);
echo get_string('assessmentbyfullname', 'workshop', $link);
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
} else {
echo html_writer::start_tag('div', array('class'=>'anonymous'));
echo get_string('assessment', 'workshop');
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
}
echo html_writer::end_tag('div');
}
echo html_writer::empty_tag('br', array('style'=>'clear:both'));
}
/**
* Function to be run periodically according to the moodle cron
* This function searches for things that need to be done, such
* as sending out mail, toggling flags etc ...
*
* @return boolean
* @todo Finish documenting this function
**/
function workshop_cron () {
return true;
}
/**
* Returns an array of user ids who are participanting in this workshop
*
* Participants are either submission authors or reviewers or both.
* Authors of the example submissions and their referential assessments
* are not returned as the example submission is considered non-user
* data for the purpose of workshop backup.
*
* @param int $workshopid ID of an instance of this module
* @return array of user ids, empty if there are no participants
*/
function workshop_get_participants($workshopid) {
global $DB;
$sql = "SELECT u.id
FROM {workshop} w
JOIN {workshop_submissions} s ON s.workshopid = w.id
JOIN {user} u ON s.authorid = u.id
WHERE w.id = ? AND s.example = 0
UNION
SELECT u.id
FROM {workshop} w
JOIN {workshop_submissions} s ON s.workshopid = w.id
JOIN {workshop_assessments} a ON a.submissionid = s.id
JOIN {user} u ON a.reviewerid = u.id
WHERE w.id = ? AND (s.example = 0 OR a.weight = 0)";
$users = array();
$rs = $DB->get_recordset_sql($sql, array($workshopid, $workshopid));
foreach ($rs as $user) {
if (empty($users[$user->id])) {
$users[$user->id] = $user;
}
}
$rs->close();
return $users;
}
/**
* Is a given scale used by the instance of workshop?
*
* The function asks all installed grading strategy subplugins. The workshop
* core itself does not use scales. Both grade for submission and grade for
* assessments do not use scales.
*
* @param int $workshopid id of workshop instance
* @param int $scaleid id of the scale to check
* @return bool
*/
function workshop_scale_used($workshopid, $scaleid) {
global $CFG; // other files included from here
$strategies = get_plugin_list('workshopform');
foreach ($strategies as $strategy => $strategypath) {
$strategylib = $strategypath . '/lib.php';
if (is_readable($strategylib)) {
require_once($strategylib);
} else {
throw new coding_exception('the grading forms subplugin must contain library ' . $strategylib);
}
$classname = 'workshop_' . $strategy . '_strategy';
if (method_exists($classname, 'scale_used')) {
if (call_user_func_array(array($classname, 'scale_used'), array($scaleid, $workshopid))) {
// no need to include any other files - scale is used
return true;
}
}
}
return false;
}
/**
* Is a given scale used by any instance of workshop?
*
* The function asks all installed grading strategy subplugins. The workshop
* core itself does not use scales. Both grade for submission and grade for
* assessments do not use scales.
*
* @param int $scaleid id of the scale to check
* @return bool
*/
function workshop_scale_used_anywhere($scaleid) {
global $CFG; // other files included from here
$strategies = get_plugin_list('workshopform');
foreach ($strategies as $strategy => $strategypath) {
$strategylib = $strategypath . '/lib.php';
if (is_readable($strategylib)) {
require_once($strategylib);
} else {
throw new coding_exception('the grading forms subplugin must contain library ' . $strategylib);
}
$classname = 'workshop_' . $strategy . '_strategy';
if (method_exists($classname, 'scale_used')) {
if (call_user_func(array($classname, 'scale_used'), $scaleid)) {
// no need to include any other files - scale is used
return true;
}
}
}
return false;
}