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<?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 functions and constants for module wiki * * It contains the great majority of functions defined by Moodle * that are mandatory to develop a module. * * @package mod_wiki * @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu * * @author Jordi Piguillem * @author Marc Alier * @author David Jimenez * @author Josep Arus * @author Kenneth Riba * * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); /** * Given an object containing all the necessary data, * (defined by the form in mod.html) this function * will create a new instance and return the id number * of the new instance. * * @param object $instance An object from the form in mod.html * @return int The id of the newly inserted wiki record **/ function wiki_add_instance($wiki) { global $DB; $wiki->timemodified = time(); # May have to add extra stuff in here # if (empty($wiki->forceformat)) { $wiki->forceformat = 0; } $id = $DB->insert_record('wiki', $wiki); $completiontimeexpected = !empty($wiki->completionexpected) ? $wiki->completionexpected : null; \core_completion\api::update_completion_date_event($wiki->coursemodule, 'wiki', $id, $completiontimeexpected); return $id; } /** * Given an object containing all the necessary data, * (defined by the form in mod.html) this function * will update an existing instance with new data. * * @param object $instance An object from the form in mod.html * @return boolean Success/Fail **/ function wiki_update_instance($wiki) { global $DB; $wiki->timemodified = time(); $wiki->id = $wiki->instance; if (empty($wiki->forceformat)) { $wiki->forceformat = 0; } $completiontimeexpected = !empty($wiki->completionexpected) ? $wiki->completionexpected : null; \core_completion\api::update_completion_date_event($wiki->coursemodule, 'wiki', $wiki->id, $completiontimeexpected); # May have to add extra stuff in here # return $DB->update_record('wiki', $wiki); } /** * 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 $id Id of the module instance * @return boolean Success/Failure **/ function wiki_delete_instance($id) { global $DB; if (!$wiki = $DB->get_record('wiki', array('id' => $id))) { return false; } $result = true; # Get subwiki information # $subwikis = $DB->get_records('wiki_subwikis', array('wikiid' => $wiki->id)); foreach ($subwikis as $subwiki) { # Get existing links, and delete them # if (!$DB->delete_records('wiki_links', array('subwikiid' => $subwiki->id), IGNORE_MISSING)) { $result = false; } # Get existing pages # if ($pages = $DB->get_records('wiki_pages', array('subwikiid' => $subwiki->id))) { foreach ($pages as $page) { # Get locks, and delete them # if (!$DB->delete_records('wiki_locks', array('pageid' => $page->id), IGNORE_MISSING)) { $result = false; } # Get versions, and delete them # if (!$DB->delete_records('wiki_versions', array('pageid' => $page->id), IGNORE_MISSING)) { $result = false; } } # Delete pages # if (!$DB->delete_records('wiki_pages', array('subwikiid' => $subwiki->id), IGNORE_MISSING)) { $result = false; } } # Get existing synonyms, and delete them # if (!$DB->delete_records('wiki_synonyms', array('subwikiid' => $subwiki->id), IGNORE_MISSING)) { $result = false; } # Delete any subwikis # if (!$DB->delete_records('wiki_subwikis', array('id' => $subwiki->id), IGNORE_MISSING)) { $result = false; } } $cm = get_coursemodule_from_instance('wiki', $id); \core_completion\api::update_completion_date_event($cm->id, 'wiki', $wiki->id, null); # Delete any dependent records here # if (!$DB->delete_records('wiki', array('id' => $wiki->id))) { $result = false; } return $result; } /** * Implements callback to reset course * * @param stdClass $data * @return boolean|array */ function wiki_reset_userdata($data) { global $CFG,$DB; require_once($CFG->dirroot . '/mod/wiki/pagelib.php'); require_once($CFG->dirroot . "/mod/wiki/locallib.php"); $componentstr = get_string('modulenameplural', 'wiki'); $status = array(); //get the wiki(s) in this course. if (!$wikis = $DB->get_records('wiki', array('course' => $data->courseid))) { return false; } if (empty($data->reset_wiki_comments) && empty($data->reset_wiki_tags) && empty($data->reset_wiki_pages)) { return $status; } foreach ($wikis as $wiki) { if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id, $data->courseid)) { continue; } $context = context_module::instance($cm->id); // Remove tags or all pages. if (!empty($data->reset_wiki_pages) || !empty($data->reset_wiki_tags)) { // Get subwiki information. $subwikis = wiki_get_subwikis($wiki->id); foreach ($subwikis as $subwiki) { // Get existing pages. if ($pages = wiki_get_page_list($subwiki->id)) { // If the wiki page isn't selected then we are only removing tags. if (empty($data->reset_wiki_pages)) { // Go through each page and delete the tags. foreach ($pages as $page) { core_tag_tag::remove_all_item_tags('mod_wiki', 'wiki_pages', $page->id); } } else { // Otherwise we are removing pages and tags. wiki_delete_pages($context, $pages, $subwiki->id); } } if (!empty($data->reset_wiki_pages)) { // Delete any subwikis. $DB->delete_records('wiki_subwikis', array('id' => $subwiki->id), IGNORE_MISSING); // Delete any attached files. $fs = get_file_storage(); $fs->delete_area_files($context->id, 'mod_wiki', 'attachments'); } } if (!empty($data->reset_wiki_pages)) { $status[] = array('component' => $componentstr, 'item' => get_string('deleteallpages', 'wiki'), 'error' => false); } if (!empty($data->reset_wiki_tags)) { $status[] = array('component' => $componentstr, 'item' => get_string('tagsdeleted', 'wiki'), 'error' => false); } } // Remove all comments. if (!empty($data->reset_wiki_comments) || !empty($data->reset_wiki_pages)) { $DB->delete_records_select('comments', "contextid = ? AND commentarea='wiki_page'", array($context->id)); if (!empty($data->reset_wiki_comments)) { $status[] = array('component' => $componentstr, 'item' => get_string('deleteallcomments'), 'error' => false); } } } // Any changes to the list of dates that needs to be rolled should be same during course restore and course reset. // See MDL-9367. shift_course_mod_dates('wiki', array('editbegin', 'editend'), $data->timeshift, $data->courseid); $status[] = array('component' => $componentstr, 'item' => get_string('datechanged'), 'error' => false); return $status; } function wiki_reset_course_form_definition(&$mform) { $mform->addElement('header', 'wikiheader', get_string('modulenameplural', 'wiki')); $mform->addElement('advcheckbox', 'reset_wiki_pages', get_string('deleteallpages', 'wiki')); $mform->addElement('advcheckbox', 'reset_wiki_tags', get_string('removeallwikitags', 'wiki')); $mform->addElement('advcheckbox', 'reset_wiki_comments', get_string('deleteallcomments')); } /** * Indicates API features that the wiki supports. * * @uses FEATURE_GROUPS * @uses FEATURE_GROUPINGS * @uses FEATURE_MOD_INTRO * @uses FEATURE_COMPLETION_TRACKS_VIEWS * @uses FEATURE_COMPLETION_HAS_RULES * @uses FEATURE_GRADE_HAS_GRADE * @uses FEATURE_GRADE_OUTCOMES * @param string $feature * @return mixed True if yes (some features may use other values) */ function wiki_supports($feature) { switch ($feature) { case FEATURE_GROUPS: return true; case FEATURE_GROUPINGS: return true; case FEATURE_MOD_INTRO: return true; case FEATURE_COMPLETION_TRACKS_VIEWS: return true; case FEATURE_GRADE_HAS_GRADE: return false; case FEATURE_GRADE_OUTCOMES: return false; case FEATURE_RATE: return false; case FEATURE_BACKUP_MOODLE2: return true; case FEATURE_SHOW_DESCRIPTION: return true; case FEATURE_COMMENT: return true; default: return null; } } /** * Given a course and a time, this module should find recent activity * that has occurred in wiki activities and print it out. * Return true if there was output, or false is there was none. * * @global $CFG * @global $DB * @uses CONTEXT_MODULE * @uses VISIBLEGROUPS * @param object $course * @param bool $viewfullnames capability * @param int $timestart * @return boolean **/ function wiki_print_recent_activity($course, $viewfullnames, $timestart) { global $CFG, $DB, $OUTPUT; $sql = "SELECT p.id, p.timemodified, p.subwikiid, sw.wikiid, w.wikimode, sw.userid, sw.groupid FROM {wiki_pages} p JOIN {wiki_subwikis} sw ON sw.id = p.subwikiid JOIN {wiki} w ON w.id = sw.wikiid WHERE p.timemodified > ? AND w.course = ? ORDER BY p.timemodified ASC"; if (!$pages = $DB->get_records_sql($sql, array($timestart, $course->id))) { return false; } require_once($CFG->dirroot . "/mod/wiki/locallib.php"); $wikis = array(); $modinfo = get_fast_modinfo($course); $subwikivisible = array(); foreach ($pages as $page) { if (!isset($subwikivisible[$page->subwikiid])) { $subwiki = (object)array('id' => $page->subwikiid, 'wikiid' => $page->wikiid, 'groupid' => $page->groupid, 'userid' => $page->userid); $wiki = (object)array('id' => $page->wikiid, 'course' => $course->id, 'wikimode' => $page->wikimode); $subwikivisible[$page->subwikiid] = wiki_user_can_view($subwiki, $wiki); } if ($subwikivisible[$page->subwikiid]) { $wikis[] = $page; } } unset($subwikivisible); unset($pages); if (!$wikis) { return false; } echo $OUTPUT->heading(get_string("updatedwikipages", 'wiki') . ':', 3); foreach ($wikis as $wiki) { $cm = $modinfo->instances['wiki'][$wiki->wikiid]; $link = $CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $wiki->id; print_recent_activity_note($wiki->timemodified, $wiki, $cm->name, $link, false, $viewfullnames); } return true; // True if anything was printed, otherwise false } /** * Must return an array of grades for a given instance of this module, * indexed by user. It also returns a maximum allowed grade. * * Example: * $return->grades = array of grades; * $return->maxgrade = maximum allowed grade; * * return $return; * * @param int $wikiid ID of an instance of this module * @return mixed Null or object with an array of grades and with the maximum grade **/ function wiki_grades($wikiid) { return null; } /** * @deprecated since Moodle 3.8 */ function wiki_scale_used() { throw new coding_exception('wiki_scale_used() can not be used anymore. Plugins can implement ' . '<modname>_scale_used_anywhere, all implementations of <modname>_scale_used are now ignored'); } /** * Checks if scale is being used by any instance of wiki. * This function was added in 1.9 * * This is used to find out if scale used anywhere * @param $scaleid int * @return boolean True if the scale is used by any wiki */ function wiki_scale_used_anywhere($scaleid) { global $DB; //if ($scaleid and $DB->record_exists('wiki', array('grade' => -$scaleid))) { // return true; //} else { // return false; //} return false; } /** * file serving callback * * @copyright Josep Arus * @package mod_wiki * @category files * @param stdClass $course course object * @param stdClass $cm course module object * @param stdClass $context context object * @param string $filearea file area * @param array $args extra arguments * @param bool $forcedownload whether or not force download * @param array $options additional options affecting the file serving * @return bool false if the file was not found, just send the file otherwise and do not return anything */ function wiki_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) { global $CFG; if ($context->contextlevel != CONTEXT_MODULE) { return false; } require_login($course, true, $cm); require_once($CFG->dirroot . "/mod/wiki/locallib.php"); if ($filearea == 'attachments') { $swid = (int) array_shift($args); if (!$subwiki = wiki_get_subwiki($swid)) { return false; } require_capability('mod/wiki:viewpage', $context); $relativepath = implode('/', $args); $fullpath = "/$context->id/mod_wiki/attachments/$swid/$relativepath"; $fs = get_file_storage(); if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) { return false; } send_stored_file($file, null, 0, $options); } } function wiki_search_form($cm, $search = '', $subwiki = null) { global $CFG, $OUTPUT; $output = '<div class="wikisearch">'; $output .= '<form method="post" action="' . $CFG->wwwroot . '/mod/wiki/search.php" style="display:inline">'; $output .= '<fieldset class="invisiblefieldset">'; $output .= '<legend class="accesshide">'. get_string('searchwikis', 'wiki') .'</legend>'; $output .= '<label class="accesshide" for="searchwiki">' . get_string("searchterms", "wiki") . '</label>'; $output .= '<input id="searchwiki" name="searchstring" type="text" size="18" value="' . s($search, true) . '" alt="search" />'; $output .= '<input name="courseid" type="hidden" value="' . $cm->course . '" />'; $output .= '<input name="cmid" type="hidden" value="' . $cm->id . '" />'; if (!empty($subwiki->id)) { $output .= '<input name="subwikiid" type="hidden" value="' . $subwiki->id . '" />'; } $output .= '<input name="searchwikicontent" type="hidden" value="1" />'; $output .= '<input value="' . get_string('searchwikis', 'wiki') . '" class="btn btn-secondary" type="submit" />'; $output .= '</fieldset>'; $output .= '</form>'; $output .= '</div>'; return $output; } function wiki_extend_navigation(navigation_node $navref, $course, $module, $cm) { global $CFG, $PAGE, $USER; require_once($CFG->dirroot . '/mod/wiki/locallib.php'); $context = context_module::instance($cm->id); $url = $PAGE->url; $userid = 0; if ($module->wikimode == 'individual') { $userid = $USER->id; } if (!$wiki = wiki_get_wiki($cm->instance)) { return false; } if (!$gid = groups_get_activity_group($cm)) { $gid = 0; } if (!$subwiki = wiki_get_subwiki_by_group($cm->instance, $gid, $userid)) { return null; } else { $swid = $subwiki->id; } $pageid = $url->param('pageid'); $cmid = $url->param('id'); if (empty($pageid) && !empty($cmid)) { // wiki main page $page = wiki_get_page_by_title($swid, $wiki->firstpagetitle); $pageid = $page->id; } if (wiki_can_create_pages($context)) { $link = new moodle_url('/mod/wiki/create.php', array('action' => 'new', 'swid' => $swid)); $node = $navref->add(get_string('newpage', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (is_numeric($pageid)) { if (has_capability('mod/wiki:viewpage', $context)) { $link = new moodle_url('/mod/wiki/view.php', array('pageid' => $pageid)); $node = $navref->add(get_string('view', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (wiki_user_can_edit($subwiki)) { $link = new moodle_url('/mod/wiki/edit.php', array('pageid' => $pageid)); $node = $navref->add(get_string('edit', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (has_capability('mod/wiki:viewcomment', $context)) { $link = new moodle_url('/mod/wiki/comments.php', array('pageid' => $pageid)); $node = $navref->add(get_string('comments', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (has_capability('mod/wiki:viewpage', $context)) { $link = new moodle_url('/mod/wiki/history.php', array('pageid' => $pageid)); $node = $navref->add(get_string('history', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (has_capability('mod/wiki:viewpage', $context)) { $link = new moodle_url('/mod/wiki/map.php', array('pageid' => $pageid)); $node = $navref->add(get_string('map', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (has_capability('mod/wiki:viewpage', $context)) { $link = new moodle_url('/mod/wiki/files.php', array('pageid' => $pageid)); $node = $navref->add(get_string('files', 'wiki'), $link, navigation_node::TYPE_SETTING); } if (has_capability('mod/wiki:managewiki', $context)) { $link = new moodle_url('/mod/wiki/admin.php', array('pageid' => $pageid)); $node = $navref->add(get_string('admin', 'wiki'), $link, navigation_node::TYPE_SETTING); } } } /** * Returns all other caps used in wiki module * * @return array */ function wiki_get_extra_capabilities() { return array('moodle/comment:view', 'moodle/comment:post', 'moodle/comment:delete'); } /** * Running addtional permission check on plugin, for example, plugins * may have switch to turn on/off comments option, this callback will * affect UI display, not like pluginname_comment_validate only throw * exceptions. * Capability check has been done in comment->check_permissions(), we * don't need to do it again here. * * @package mod_wiki * @category comment * * @param stdClass $comment_param { * context => context the context object * courseid => int course id * cm => stdClass course module object * commentarea => string comment area * itemid => int itemid * } * @return array */ function wiki_comment_permissions($comment_param) { return array('post'=>true, 'view'=>true); } /** * Validate comment parameter before perform other comments actions * * @param stdClass $comment_param { * context => context the context object * courseid => int course id * cm => stdClass course module object * commentarea => string comment area * itemid => int itemid * } * * @package mod_wiki * @category comment * * @return boolean */ function wiki_comment_validate($comment_param) { global $DB, $CFG; require_once($CFG->dirroot . '/mod/wiki/locallib.php'); // validate comment area if ($comment_param->commentarea != 'wiki_page') { throw new comment_exception('invalidcommentarea'); } // validate itemid if (!$record = $DB->get_record('wiki_pages', array('id'=>$comment_param->itemid))) { throw new comment_exception('invalidcommentitemid'); } if (!$subwiki = wiki_get_subwiki($record->subwikiid)) { throw new comment_exception('invalidsubwikiid'); } if (!$wiki = wiki_get_wiki_from_pageid($comment_param->itemid)) { throw new comment_exception('invalidid', 'data'); } if (!$course = $DB->get_record('course', array('id'=>$wiki->course))) { throw new comment_exception('coursemisconf'); } if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id, $course->id)) { throw new comment_exception('invalidcoursemodule'); } $context = context_module::instance($cm->id); // group access if ($subwiki->groupid) { $groupmode = groups_get_activity_groupmode($cm, $course); if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) { if (!groups_is_member($subwiki->groupid)) { throw new comment_exception('notmemberofgroup'); } } } // validate context id if ($context->id != $comment_param->context->id) { throw new comment_exception('invalidcontext'); } // validation for comment deletion if (!empty($comment_param->commentid)) { if ($comment = $DB->get_record('comments', array('id'=>$comment_param->commentid))) { if ($comment->commentarea != 'wiki_page') { throw new comment_exception('invalidcommentarea'); } if ($comment->contextid != $context->id) { throw new comment_exception('invalidcontext'); } if ($comment->itemid != $comment_param->itemid) { throw new comment_exception('invalidcommentitemid'); } } else { throw new comment_exception('invalidcommentid'); } } return true; } /** * Return a list of page types * @param string $pagetype current page type * @param stdClass $parentcontext Block's parent context * @param stdClass $currentcontext Current context of block */ function wiki_page_type_list($pagetype, $parentcontext, $currentcontext) { $module_pagetype = array( 'mod-wiki-*'=>get_string('page-mod-wiki-x', 'wiki'), 'mod-wiki-view'=>get_string('page-mod-wiki-view', 'wiki'), 'mod-wiki-comments'=>get_string('page-mod-wiki-comments', 'wiki'), 'mod-wiki-history'=>get_string('page-mod-wiki-history', 'wiki'), 'mod-wiki-map'=>get_string('page-mod-wiki-map', 'wiki') ); return $module_pagetype; } /** * Mark the activity completed (if required) and trigger the course_module_viewed event. * * @param stdClass $wiki Wiki object. * @param stdClass $course Course object. * @param stdClass $cm Course module object. * @param stdClass $context Context object. * @since Moodle 3.1 */ function wiki_view($wiki, $course, $cm, $context) { // Trigger course_module_viewed event. $params = array( 'context' => $context, 'objectid' => $wiki->id ); $event = \mod_wiki\event\course_module_viewed::create($params); $event->add_record_snapshot('course_modules', $cm); $event->add_record_snapshot('course', $course); $event->add_record_snapshot('wiki', $wiki); $event->trigger(); // Completion. $completion = new completion_info($course); $completion->set_module_viewed($cm); } /** * Mark the activity completed (if required) and trigger the page_viewed event. * * @param stdClass $wiki Wiki object. * @param stdClass $page Page object. * @param stdClass $course Course object. * @param stdClass $cm Course module object. * @param stdClass $context Context object. * @param int $uid Optional User ID. * @param array $other Optional Other params: title, wiki ID, group ID, groupanduser, prettyview. * @param stdClass $subwiki Optional Subwiki. * @since Moodle 3.1 */ function wiki_page_view($wiki, $page, $course, $cm, $context, $uid = null, $other = null, $subwiki = null) { // Trigger course_module_viewed event. $params = array( 'context' => $context, 'objectid' => $page->id ); if ($uid != null) { $params['relateduserid'] = $uid; } if ($other != null) { $params['other'] = $other; } $event = \mod_wiki\event\page_viewed::create($params); $event->add_record_snapshot('wiki_pages', $page); $event->add_record_snapshot('course_modules', $cm); $event->add_record_snapshot('course', $course); $event->add_record_snapshot('wiki', $wiki); if ($subwiki != null) { $event->add_record_snapshot('wiki_subwikis', $subwiki); } $event->trigger(); // Completion. $completion = new completion_info($course); $completion->set_module_viewed($cm); } /** * Check if the module has any update that affects the current user since a given time. * * @param cm_info $cm course module data * @param int $from the time to check updates from * @param array $filter if we need to check only specific updates * @return stdClass an object with the different type of areas indicating if they were updated or not * @since Moodle 3.2 */ function wiki_check_updates_since(cm_info $cm, $from, $filter = array()) { global $DB, $CFG; require_once($CFG->dirroot . '/mod/wiki/locallib.php'); $updates = new stdClass(); if (!has_capability('mod/wiki:viewpage', $cm->context)) { return $updates; } $updates = course_check_module_updates_since($cm, $from, array('attachments'), $filter); // Check only pages updated in subwikis the user can access. $updates->pages = (object) array('updated' => false); $wiki = $DB->get_record($cm->modname, array('id' => $cm->instance), '*', MUST_EXIST); if ($subwikis = wiki_get_visible_subwikis($wiki, $cm, $cm->context)) { $subwikisids = array(); foreach ($subwikis as $subwiki) { $subwikisids[] = $subwiki->id; } list($subwikissql, $params) = $DB->get_in_or_equal($subwikisids, SQL_PARAMS_NAMED); $select = 'subwikiid ' . $subwikissql . ' AND (timemodified > :since1 OR timecreated > :since2)'; $params['since1'] = $from; $params['since2'] = $from; $pages = $DB->get_records_select('wiki_pages', $select, $params, '', 'id'); if (!empty($pages)) { $updates->pages->updated = true; $updates->pages->itemids = array_keys($pages); } } return $updates; } /** * Get icon mapping for font-awesome. */ function mod_wiki_get_fontawesome_icon_map() { return [ 'mod_wiki:attachment' => 'fa-paperclip', ]; } /** * This function receives a calendar event and returns the action associated with it, or null if there is none. * * This is used by block_myoverview in order to display the event appropriately. If null is returned then the event * is not displayed on the block. * * @param calendar_event $event * @param \core_calendar\action_factory $factory * @param int $userid User id to use for all capability checks, etc. Set to 0 for current user (default). * @return \core_calendar\local\event\entities\action_interface|null */ function mod_wiki_core_calendar_provide_event_action(calendar_event $event, \core_calendar\action_factory $factory, int $userid = 0) { global $USER; if (!$userid) { $userid = $USER->id; } $cm = get_fast_modinfo($event->courseid, $userid)->instances['wiki'][$event->instance]; if (!$cm->uservisible) { // The module is not visible to the user for any reason. return null; } $completion = new \completion_info($cm->get_course()); $completiondata = $completion->get_data($cm, false, $userid); if ($completiondata->completionstate != COMPLETION_INCOMPLETE) { return null; } return $factory->create_instance( get_string('view'), new \moodle_url('/mod/wiki/view.php', ['id' => $cm->id]), 1, true ); } /** * Sets dynamic information about a course module * * This callback is called from cm_info when checking module availability (incl. $cm->uservisible) * * Main viewing capability in mod_wiki is 'mod/wiki:viewpage' instead of the expected standardised 'mod/wiki:view'. * The method cm_info::is_user_access_restricted_by_capability() does not work for wiki, we need to implement * this callback. * * @param cm_info $cm */ function wiki_cm_info_dynamic(cm_info $cm) { if (!has_capability('mod/wiki:viewpage', $cm->context, $cm->get_modinfo()->get_user_id())) { $cm->set_available(false); } }