3 // This file is part of Moodle - http://moodle.org/
5 // Moodle is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // Moodle is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
19 * Library of functions and constants for module wiki
21 * It contains the great majority of functions defined by Moodle
22 * that are mandatory to develop a module.
25 * @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu
26 * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
28 * @author Jordi Piguillem
30 * @author David Jimenez
32 * @author Kenneth Riba
34 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
37 defined('MOODLE_INTERNAL') ||
die();
40 * Given an object containing all the necessary data,
41 * (defined by the form in mod.html) this function
42 * will create a new instance and return the id number
43 * of the new instance.
45 * @param object $instance An object from the form in mod.html
46 * @return int The id of the newly inserted wiki record
48 function wiki_add_instance($wiki) {
51 $wiki->timemodified
= time();
52 # May have to add extra stuff in here #
53 if (empty($wiki->forceformat
)) {
54 $wiki->forceformat
= 0;
57 $id = $DB->insert_record('wiki', $wiki);
59 $completiontimeexpected = !empty($wiki->completionexpected
) ?
$wiki->completionexpected
: null;
60 \core_completion\api
::update_completion_date_event($wiki->coursemodule
, 'wiki', $id, $completiontimeexpected);
66 * Given an object containing all the necessary data,
67 * (defined by the form in mod.html) this function
68 * will update an existing instance with new data.
70 * @param object $instance An object from the form in mod.html
71 * @return boolean Success/Fail
73 function wiki_update_instance($wiki) {
76 $wiki->timemodified
= time();
77 $wiki->id
= $wiki->instance
;
78 if (empty($wiki->forceformat
)) {
79 $wiki->forceformat
= 0;
82 $completiontimeexpected = !empty($wiki->completionexpected
) ?
$wiki->completionexpected
: null;
83 \core_completion\api
::update_completion_date_event($wiki->coursemodule
, 'wiki', $wiki->id
, $completiontimeexpected);
85 # May have to add extra stuff in here #
87 return $DB->update_record('wiki', $wiki);
91 * Given an ID of an instance of this module,
92 * this function will permanently delete the instance
93 * and any data that depends on it.
95 * @param int $id Id of the module instance
96 * @return boolean Success/Failure
98 function wiki_delete_instance($id) {
101 if (!$wiki = $DB->get_record('wiki', array('id' => $id))) {
107 # Get subwiki information #
108 $subwikis = $DB->get_records('wiki_subwikis', array('wikiid' => $wiki->id
));
110 foreach ($subwikis as $subwiki) {
111 # Get existing links, and delete them #
112 if (!$DB->delete_records('wiki_links', array('subwikiid' => $subwiki->id
), IGNORE_MISSING
)) {
116 # Get existing pages #
117 if ($pages = $DB->get_records('wiki_pages', array('subwikiid' => $subwiki->id
))) {
118 foreach ($pages as $page) {
119 # Get locks, and delete them #
120 if (!$DB->delete_records('wiki_locks', array('pageid' => $page->id
), IGNORE_MISSING
)) {
124 # Get versions, and delete them #
125 if (!$DB->delete_records('wiki_versions', array('pageid' => $page->id
), IGNORE_MISSING
)) {
131 if (!$DB->delete_records('wiki_pages', array('subwikiid' => $subwiki->id
), IGNORE_MISSING
)) {
136 # Get existing synonyms, and delete them #
137 if (!$DB->delete_records('wiki_synonyms', array('subwikiid' => $subwiki->id
), IGNORE_MISSING
)) {
141 # Delete any subwikis #
142 if (!$DB->delete_records('wiki_subwikis', array('id' => $subwiki->id
), IGNORE_MISSING
)) {
147 $cm = get_coursemodule_from_instance('wiki', $id);
148 \core_completion\api
::update_completion_date_event($cm->id
, 'wiki', $wiki->id
, null);
150 # Delete any dependent records here #
151 if (!$DB->delete_records('wiki', array('id' => $wiki->id
))) {
159 * Implements callback to reset course
161 * @param stdClass $data
162 * @return boolean|array
164 function wiki_reset_userdata($data) {
166 require_once($CFG->dirroot
. '/mod/wiki/pagelib.php');
167 require_once($CFG->dirroot
. "/mod/wiki/locallib.php");
169 $componentstr = get_string('modulenameplural', 'wiki');
172 //get the wiki(s) in this course.
173 if (!$wikis = $DB->get_records('wiki', array('course' => $data->courseid
))) {
176 if (empty($data->reset_wiki_comments
) && empty($data->reset_wiki_tags
) && empty($data->reset_wiki_pages
)) {
180 foreach ($wikis as $wiki) {
181 if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id
, $data->courseid
)) {
184 $context = context_module
::instance($cm->id
);
186 // Remove tags or all pages.
187 if (!empty($data->reset_wiki_pages
) ||
!empty($data->reset_wiki_tags
)) {
189 // Get subwiki information.
190 $subwikis = wiki_get_subwikis($wiki->id
);
192 foreach ($subwikis as $subwiki) {
193 // Get existing pages.
194 if ($pages = wiki_get_page_list($subwiki->id
)) {
195 // If the wiki page isn't selected then we are only removing tags.
196 if (empty($data->reset_wiki_pages
)) {
197 // Go through each page and delete the tags.
198 foreach ($pages as $page) {
199 core_tag_tag
::remove_all_item_tags('mod_wiki', 'wiki_pages', $page->id
);
202 // Otherwise we are removing pages and tags.
203 wiki_delete_pages($context, $pages, $subwiki->id
);
206 if (!empty($data->reset_wiki_pages
)) {
207 // Delete any subwikis.
208 $DB->delete_records('wiki_subwikis', array('id' => $subwiki->id
), IGNORE_MISSING
);
210 // Delete any attached files.
211 $fs = get_file_storage();
212 $fs->delete_area_files($context->id
, 'mod_wiki', 'attachments');
216 if (!empty($data->reset_wiki_pages
)) {
217 $status[] = array('component' => $componentstr, 'item' => get_string('deleteallpages', 'wiki'),
220 if (!empty($data->reset_wiki_tags
)) {
221 $status[] = array('component' => $componentstr, 'item' => get_string('tagsdeleted', 'wiki'), 'error' => false);
225 // Remove all comments.
226 if (!empty($data->reset_wiki_comments
) ||
!empty($data->reset_wiki_pages
)) {
227 $DB->delete_records_select('comments', "contextid = ? AND commentarea='wiki_page'", array($context->id
));
228 if (!empty($data->reset_wiki_comments
)) {
229 $status[] = array('component' => $componentstr, 'item' => get_string('deleteallcomments'), 'error' => false);
234 // Any changes to the list of dates that needs to be rolled should be same during course restore and course reset.
236 shift_course_mod_dates('wiki', array('editbegin', 'editend'), $data->timeshift
, $data->courseid
);
237 $status[] = array('component' => $componentstr, 'item' => get_string('datechanged'), 'error' => false);
243 function wiki_reset_course_form_definition(&$mform) {
244 $mform->addElement('header', 'wikiheader', get_string('modulenameplural', 'wiki'));
245 $mform->addElement('advcheckbox', 'reset_wiki_pages', get_string('deleteallpages', 'wiki'));
246 $mform->addElement('advcheckbox', 'reset_wiki_tags', get_string('removeallwikitags', 'wiki'));
247 $mform->addElement('advcheckbox', 'reset_wiki_comments', get_string('deleteallcomments'));
251 * Indicates API features that the wiki supports.
253 * @uses FEATURE_GROUPS
254 * @uses FEATURE_GROUPINGS
255 * @uses FEATURE_MOD_INTRO
256 * @uses FEATURE_COMPLETION_TRACKS_VIEWS
257 * @uses FEATURE_COMPLETION_HAS_RULES
258 * @uses FEATURE_GRADE_HAS_GRADE
259 * @uses FEATURE_GRADE_OUTCOMES
260 * @param string $feature
261 * @return mixed True if yes (some features may use other values)
263 function wiki_supports($feature) {
267 case FEATURE_GROUPINGS
:
269 case FEATURE_MOD_INTRO
:
271 case FEATURE_COMPLETION_TRACKS_VIEWS
:
273 case FEATURE_GRADE_HAS_GRADE
:
275 case FEATURE_GRADE_OUTCOMES
:
279 case FEATURE_BACKUP_MOODLE2
:
281 case FEATURE_SHOW_DESCRIPTION
:
283 case FEATURE_COMMENT
:
292 * Given a course and a time, this module should find recent activity
293 * that has occurred in wiki activities and print it out.
294 * Return true if there was output, or false is there was none.
298 * @uses CONTEXT_MODULE
299 * @uses VISIBLEGROUPS
300 * @param object $course
301 * @param bool $viewfullnames capability
302 * @param int $timestart
305 function wiki_print_recent_activity($course, $viewfullnames, $timestart) {
306 global $CFG, $DB, $OUTPUT;
308 $sql = "SELECT p.id, p.timemodified, p.subwikiid, sw.wikiid, w.wikimode, sw.userid, sw.groupid
310 JOIN {wiki_subwikis} sw ON sw.id = p.subwikiid
311 JOIN {wiki} w ON w.id = sw.wikiid
312 WHERE p.timemodified > ? AND w.course = ?
313 ORDER BY p.timemodified ASC";
314 if (!$pages = $DB->get_records_sql($sql, array($timestart, $course->id
))) {
317 require_once($CFG->dirroot
. "/mod/wiki/locallib.php");
321 $modinfo = get_fast_modinfo($course);
323 $subwikivisible = array();
324 foreach ($pages as $page) {
325 if (!isset($subwikivisible[$page->subwikiid
])) {
326 $subwiki = (object)array('id' => $page->subwikiid
, 'wikiid' => $page->wikiid
,
327 'groupid' => $page->groupid
, 'userid' => $page->userid
);
328 $wiki = (object)array('id' => $page->wikiid
, 'course' => $course->id
, 'wikimode' => $page->wikimode
);
329 $subwikivisible[$page->subwikiid
] = wiki_user_can_view($subwiki, $wiki);
331 if ($subwikivisible[$page->subwikiid
]) {
335 unset($subwikivisible);
341 echo $OUTPUT->heading(get_string("updatedwikipages", 'wiki') . ':', 3);
342 foreach ($wikis as $wiki) {
343 $cm = $modinfo->instances
['wiki'][$wiki->wikiid
];
344 $link = $CFG->wwwroot
. '/mod/wiki/view.php?pageid=' . $wiki->id
;
345 print_recent_activity_note($wiki->timemodified
, $wiki, $cm->name
, $link, false, $viewfullnames);
348 return true; // True if anything was printed, otherwise false
351 * Function to be run periodically according to the moodle cron
352 * This function searches for things that need to be done, such
353 * as sending out mail, toggling flags etc ...
357 * @todo Finish documenting this function
359 function wiki_cron() {
366 * Must return an array of grades for a given instance of this module,
367 * indexed by user. It also returns a maximum allowed grade.
370 * $return->grades = array of grades;
371 * $return->maxgrade = maximum allowed grade;
375 * @param int $wikiid ID of an instance of this module
376 * @return mixed Null or object with an array of grades and with the maximum grade
378 function wiki_grades($wikiid) {
383 * This function returns if a scale is being used by one wiki
384 * it it has support for grading and scales. Commented code should be
385 * modified if necessary. See forum, glossary or journal modules
388 * @param int $wikiid ID of an instance of this module
390 * @todo Finish documenting this function
392 function wiki_scale_used($wikiid, $scaleid) {
395 //$rec = get_record("wiki","id","$wikiid","scale","-$scaleid");
397 //if (!empty($rec) && !empty($scaleid)) {
405 * Checks if scale is being used by any instance of wiki.
406 * This function was added in 1.9
408 * This is used to find out if scale used anywhere
409 * @param $scaleid int
410 * @return boolean True if the scale is used by any wiki
412 function wiki_scale_used_anywhere($scaleid) {
415 //if ($scaleid and $DB->record_exists('wiki', array('grade' => -$scaleid))) {
425 * file serving callback
427 * @copyright Josep Arus
430 * @param stdClass $course course object
431 * @param stdClass $cm course module object
432 * @param stdClass $context context object
433 * @param string $filearea file area
434 * @param array $args extra arguments
435 * @param bool $forcedownload whether or not force download
436 * @param array $options additional options affecting the file serving
437 * @return bool false if the file was not found, just send the file otherwise and do not return anything
439 function wiki_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) {
442 if ($context->contextlevel
!= CONTEXT_MODULE
) {
446 require_login($course, true, $cm);
448 require_once($CFG->dirroot
. "/mod/wiki/locallib.php");
450 if ($filearea == 'attachments') {
451 $swid = (int) array_shift($args);
453 if (!$subwiki = wiki_get_subwiki($swid)) {
457 require_capability('mod/wiki:viewpage', $context);
459 $relativepath = implode('/', $args);
461 $fullpath = "/$context->id/mod_wiki/attachments/$swid/$relativepath";
463 $fs = get_file_storage();
464 if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
468 send_stored_file($file, null, 0, $options);
472 function wiki_search_form($cm, $search = '', $subwiki = null) {
473 global $CFG, $OUTPUT;
475 $output = '<div class="wikisearch">';
476 $output .= '<form method="post" action="' . $CFG->wwwroot
. '/mod/wiki/search.php" style="display:inline">';
477 $output .= '<fieldset class="invisiblefieldset">';
478 $output .= '<legend class="accesshide">'. get_string('searchwikis', 'wiki') .'</legend>';
479 $output .= '<label class="accesshide" for="searchwiki">' . get_string("searchterms", "wiki") . '</label>';
480 $output .= '<input id="searchwiki" name="searchstring" type="text" size="18" value="' . s($search, true) . '" alt="search" />';
481 $output .= '<input name="courseid" type="hidden" value="' . $cm->course
. '" />';
482 $output .= '<input name="cmid" type="hidden" value="' . $cm->id
. '" />';
483 if (!empty($subwiki->id
)) {
484 $output .= '<input name="subwikiid" type="hidden" value="' . $subwiki->id
. '" />';
486 $output .= '<input name="searchwikicontent" type="hidden" value="1" />';
487 $output .= '<input value="' . get_string('searchwikis', 'wiki') . '" type="submit" />';
488 $output .= '</fieldset>';
489 $output .= '</form>';
494 function wiki_extend_navigation(navigation_node
$navref, $course, $module, $cm) {
495 global $CFG, $PAGE, $USER;
497 require_once($CFG->dirroot
. '/mod/wiki/locallib.php');
499 $context = context_module
::instance($cm->id
);
502 if ($module->wikimode
== 'individual') {
506 if (!$wiki = wiki_get_wiki($cm->instance
)) {
510 if (!$gid = groups_get_activity_group($cm)) {
513 if (!$subwiki = wiki_get_subwiki_by_group($cm->instance
, $gid, $userid)) {
516 $swid = $subwiki->id
;
519 $pageid = $url->param('pageid');
520 $cmid = $url->param('id');
521 if (empty($pageid) && !empty($cmid)) {
523 $page = wiki_get_page_by_title($swid, $wiki->firstpagetitle
);
527 if (wiki_can_create_pages($context)) {
528 $link = new moodle_url('/mod/wiki/create.php', array('action' => 'new', 'swid' => $swid));
529 $node = $navref->add(get_string('newpage', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
532 if (is_numeric($pageid)) {
534 if (has_capability('mod/wiki:viewpage', $context)) {
535 $link = new moodle_url('/mod/wiki/view.php', array('pageid' => $pageid));
536 $node = $navref->add(get_string('view', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
539 if (wiki_user_can_edit($subwiki)) {
540 $link = new moodle_url('/mod/wiki/edit.php', array('pageid' => $pageid));
541 $node = $navref->add(get_string('edit', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
544 if (has_capability('mod/wiki:viewcomment', $context)) {
545 $link = new moodle_url('/mod/wiki/comments.php', array('pageid' => $pageid));
546 $node = $navref->add(get_string('comments', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
549 if (has_capability('mod/wiki:viewpage', $context)) {
550 $link = new moodle_url('/mod/wiki/history.php', array('pageid' => $pageid));
551 $node = $navref->add(get_string('history', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
554 if (has_capability('mod/wiki:viewpage', $context)) {
555 $link = new moodle_url('/mod/wiki/map.php', array('pageid' => $pageid));
556 $node = $navref->add(get_string('map', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
559 if (has_capability('mod/wiki:viewpage', $context)) {
560 $link = new moodle_url('/mod/wiki/files.php', array('pageid' => $pageid));
561 $node = $navref->add(get_string('files', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
564 if (has_capability('mod/wiki:managewiki', $context)) {
565 $link = new moodle_url('/mod/wiki/admin.php', array('pageid' => $pageid));
566 $node = $navref->add(get_string('admin', 'wiki'), $link, navigation_node
::TYPE_SETTING
);
571 * Returns all other caps used in wiki module
575 function wiki_get_extra_capabilities() {
576 return array('moodle/comment:view', 'moodle/comment:post', 'moodle/comment:delete');
580 * Running addtional permission check on plugin, for example, plugins
581 * may have switch to turn on/off comments option, this callback will
582 * affect UI display, not like pluginname_comment_validate only throw
584 * Capability check has been done in comment->check_permissions(), we
585 * don't need to do it again here.
590 * @param stdClass $comment_param {
591 * context => context the context object
592 * courseid => int course id
593 * cm => stdClass course module object
594 * commentarea => string comment area
595 * itemid => int itemid
599 function wiki_comment_permissions($comment_param) {
600 return array('post'=>true, 'view'=>true);
604 * Validate comment parameter before perform other comments actions
606 * @param stdClass $comment_param {
607 * context => context the context object
608 * courseid => int course id
609 * cm => stdClass course module object
610 * commentarea => string comment area
611 * itemid => int itemid
619 function wiki_comment_validate($comment_param) {
621 require_once($CFG->dirroot
. '/mod/wiki/locallib.php');
622 // validate comment area
623 if ($comment_param->commentarea
!= 'wiki_page') {
624 throw new comment_exception('invalidcommentarea');
627 if (!$record = $DB->get_record('wiki_pages', array('id'=>$comment_param->itemid
))) {
628 throw new comment_exception('invalidcommentitemid');
630 if (!$subwiki = wiki_get_subwiki($record->subwikiid
)) {
631 throw new comment_exception('invalidsubwikiid');
633 if (!$wiki = wiki_get_wiki_from_pageid($comment_param->itemid
)) {
634 throw new comment_exception('invalidid', 'data');
636 if (!$course = $DB->get_record('course', array('id'=>$wiki->course
))) {
637 throw new comment_exception('coursemisconf');
639 if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id
, $course->id
)) {
640 throw new comment_exception('invalidcoursemodule');
642 $context = context_module
::instance($cm->id
);
644 if ($subwiki->groupid
) {
645 $groupmode = groups_get_activity_groupmode($cm, $course);
646 if ($groupmode == SEPARATEGROUPS
and !has_capability('moodle/site:accessallgroups', $context)) {
647 if (!groups_is_member($subwiki->groupid
)) {
648 throw new comment_exception('notmemberofgroup');
652 // validate context id
653 if ($context->id
!= $comment_param->context
->id
) {
654 throw new comment_exception('invalidcontext');
656 // validation for comment deletion
657 if (!empty($comment_param->commentid
)) {
658 if ($comment = $DB->get_record('comments', array('id'=>$comment_param->commentid
))) {
659 if ($comment->commentarea
!= 'wiki_page') {
660 throw new comment_exception('invalidcommentarea');
662 if ($comment->contextid
!= $context->id
) {
663 throw new comment_exception('invalidcontext');
665 if ($comment->itemid
!= $comment_param->itemid
) {
666 throw new comment_exception('invalidcommentitemid');
669 throw new comment_exception('invalidcommentid');
676 * Return a list of page types
677 * @param string $pagetype current page type
678 * @param stdClass $parentcontext Block's parent context
679 * @param stdClass $currentcontext Current context of block
681 function wiki_page_type_list($pagetype, $parentcontext, $currentcontext) {
682 $module_pagetype = array(
683 'mod-wiki-*'=>get_string('page-mod-wiki-x', 'wiki'),
684 'mod-wiki-view'=>get_string('page-mod-wiki-view', 'wiki'),
685 'mod-wiki-comments'=>get_string('page-mod-wiki-comments', 'wiki'),
686 'mod-wiki-history'=>get_string('page-mod-wiki-history', 'wiki'),
687 'mod-wiki-map'=>get_string('page-mod-wiki-map', 'wiki')
689 return $module_pagetype;
693 * Mark the activity completed (if required) and trigger the course_module_viewed event.
695 * @param stdClass $wiki Wiki object.
696 * @param stdClass $course Course object.
697 * @param stdClass $cm Course module object.
698 * @param stdClass $context Context object.
701 function wiki_view($wiki, $course, $cm, $context) {
702 // Trigger course_module_viewed event.
704 'context' => $context,
705 'objectid' => $wiki->id
707 $event = \mod_wiki\event\course_module_viewed
::create($params);
708 $event->add_record_snapshot('course_modules', $cm);
709 $event->add_record_snapshot('course', $course);
710 $event->add_record_snapshot('wiki', $wiki);
714 $completion = new completion_info($course);
715 $completion->set_module_viewed($cm);
719 * Mark the activity completed (if required) and trigger the page_viewed event.
721 * @param stdClass $wiki Wiki object.
722 * @param stdClass $page Page object.
723 * @param stdClass $course Course object.
724 * @param stdClass $cm Course module object.
725 * @param stdClass $context Context object.
726 * @param int $uid Optional User ID.
727 * @param array $other Optional Other params: title, wiki ID, group ID, groupanduser, prettyview.
728 * @param stdClass $subwiki Optional Subwiki.
731 function wiki_page_view($wiki, $page, $course, $cm, $context, $uid = null, $other = null, $subwiki = null) {
733 // Trigger course_module_viewed event.
735 'context' => $context,
736 'objectid' => $page->id
739 $params['relateduserid'] = $uid;
741 if ($other != null) {
742 $params['other'] = $other;
745 $event = \mod_wiki\event\page_viewed
::create($params);
747 $event->add_record_snapshot('wiki_pages', $page);
748 $event->add_record_snapshot('course_modules', $cm);
749 $event->add_record_snapshot('course', $course);
750 $event->add_record_snapshot('wiki', $wiki);
751 if ($subwiki != null) {
752 $event->add_record_snapshot('wiki_subwikis', $subwiki);
757 $completion = new completion_info($course);
758 $completion->set_module_viewed($cm);
762 * Check if the module has any update that affects the current user since a given time.
764 * @param cm_info $cm course module data
765 * @param int $from the time to check updates from
766 * @param array $filter if we need to check only specific updates
767 * @return stdClass an object with the different type of areas indicating if they were updated or not
770 function wiki_check_updates_since(cm_info
$cm, $from, $filter = array()) {
772 require_once($CFG->dirroot
. '/mod/wiki/locallib.php');
774 $updates = new stdClass();
775 if (!has_capability('mod/wiki:viewpage', $cm->context
)) {
778 $updates = course_check_module_updates_since($cm, $from, array('attachments'), $filter);
780 // Check only pages updated in subwikis the user can access.
781 $updates->pages
= (object) array('updated' => false);
782 $wiki = $DB->get_record($cm->modname
, array('id' => $cm->instance
), '*', MUST_EXIST
);
783 if ($subwikis = wiki_get_visible_subwikis($wiki, $cm, $cm->context
)) {
784 $subwikisids = array();
785 foreach ($subwikis as $subwiki) {
786 $subwikisids[] = $subwiki->id
;
788 list($subwikissql, $params) = $DB->get_in_or_equal($subwikisids, SQL_PARAMS_NAMED
);
789 $select = 'subwikiid ' . $subwikissql . ' AND (timemodified > :since1 OR timecreated > :since2)';
790 $params['since1'] = $from;
791 $params['since2'] = $from;
792 $pages = $DB->get_records_select('wiki_pages', $select, $params, '', 'id');
793 if (!empty($pages)) {
794 $updates->pages
->updated
= true;
795 $updates->pages
->itemids
= array_keys($pages);
802 * Get icon mapping for font-awesome.
804 function mod_wiki_get_fontawesome_icon_map() {
806 'mod_wiki:attachment' => 'fa-paperclip',
811 * This function receives a calendar event and returns the action associated with it, or null if there is none.
813 * This is used by block_myoverview in order to display the event appropriately. If null is returned then the event
814 * is not displayed on the block.
816 * @param calendar_event $event
817 * @param \core_calendar\action_factory $factory
818 * @return \core_calendar\local\event\entities\action_interface|null
820 function mod_wiki_core_calendar_provide_event_action(calendar_event
$event,
821 \core_calendar\action_factory
$factory) {
822 $cm = get_fast_modinfo($event->courseid
)->instances
['wiki'][$event->instance
];
824 $completion = new \
completion_info($cm->get_course());
826 $completiondata = $completion->get_data($cm, false);
828 if ($completiondata->completionstate
!= COMPLETION_INCOMPLETE
) {
832 return $factory->create_instance(
834 new \
moodle_url('/mod/wiki/view.php', ['id' => $cm->id
]),
841 * Sets dynamic information about a course module
843 * This callback is called from cm_info when checking module availability (incl. $cm->uservisible)
845 * Main viewing capability in mod_wiki is 'mod/wiki:viewpage' instead of the expected standardised 'mod/wiki:view'.
846 * The method cm_info::is_user_access_restricted_by_capability() does not work for wiki, we need to implement
851 function wiki_cm_info_dynamic(cm_info
$cm) {
852 if (!has_capability('mod/wiki:viewpage', $cm->context
, $cm->get_modinfo()->get_user_id())) {
853 $cm->set_available(false);