mirror of
https://github.com/moodle/moodle.git
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4921 lines
187 KiB
PHP
4921 lines
187 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Library of useful functions
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*
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* @copyright 1999 Martin Dougiamas http://dougiamas.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @package core_course
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*/
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defined('MOODLE_INTERNAL') || die;
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use core\di;
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use core\hook;
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use core_course\external\course_summary_exporter;
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use core_courseformat\base as course_format;
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use core_courseformat\formatactions;
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use core\output\local\action_menu\subpanel as action_menu_subpanel;
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require_once($CFG->libdir.'/completionlib.php');
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require_once($CFG->libdir.'/filelib.php');
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require_once($CFG->libdir.'/datalib.php');
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require_once($CFG->dirroot.'/course/format/lib.php');
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define('COURSE_MAX_LOGS_PER_PAGE', 1000); // Records.
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define('COURSE_MAX_RECENT_PERIOD', 172800); // Two days, in seconds.
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/**
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* Number of courses to display when summaries are included.
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* @var int
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* @deprecated since 2.4, use $CFG->courseswithsummarieslimit instead.
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*/
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define('COURSE_MAX_SUMMARIES_PER_PAGE', 10);
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// Max courses in log dropdown before switching to optional.
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define('COURSE_MAX_COURSES_PER_DROPDOWN', 1000);
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// Max users in log dropdown before switching to optional.
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define('COURSE_MAX_USERS_PER_DROPDOWN', 1000);
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define('FRONTPAGENEWS', '0');
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define('FRONTPAGECATEGORYNAMES', '2');
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define('FRONTPAGECATEGORYCOMBO', '4');
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define('FRONTPAGEENROLLEDCOURSELIST', '5');
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define('FRONTPAGEALLCOURSELIST', '6');
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define('FRONTPAGECOURSESEARCH', '7');
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// Important! Replaced with $CFG->frontpagecourselimit - maximum number of courses displayed on the frontpage.
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define('EXCELROWS', 65535);
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define('FIRSTUSEDEXCELROW', 3);
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define('MOD_CLASS_ACTIVITY', 0);
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define('MOD_CLASS_RESOURCE', 1);
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define('COURSE_TIMELINE_ALLINCLUDINGHIDDEN', 'allincludinghidden');
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define('COURSE_TIMELINE_ALL', 'all');
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define('COURSE_TIMELINE_PAST', 'past');
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define('COURSE_TIMELINE_INPROGRESS', 'inprogress');
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define('COURSE_TIMELINE_FUTURE', 'future');
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define('COURSE_TIMELINE_SEARCH', 'search');
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define('COURSE_FAVOURITES', 'favourites');
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define('COURSE_TIMELINE_HIDDEN', 'hidden');
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define('COURSE_CUSTOMFIELD', 'customfield');
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define('COURSE_DB_QUERY_LIMIT', 1000);
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/** Searching for all courses that have no value for the specified custom field. */
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define('COURSE_CUSTOMFIELD_EMPTY', -1);
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// Course activity chooser footer default display option.
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define('COURSE_CHOOSER_FOOTER_NONE', 'hidden');
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// Download course content options.
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define('DOWNLOAD_COURSE_CONTENT_DISABLED', 0);
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define('DOWNLOAD_COURSE_CONTENT_ENABLED', 1);
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define('DOWNLOAD_COURSE_CONTENT_SITE_DEFAULT', 2);
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function make_log_url($module, $url) {
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switch ($module) {
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case 'course':
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if (strpos($url, 'report/') === 0) {
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// there is only one report type, course reports are deprecated
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$url = "/$url";
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break;
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}
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case 'file':
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case 'login':
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case 'lib':
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case 'admin':
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case 'category':
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case 'mnet course':
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if (strpos($url, '../') === 0) {
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$url = ltrim($url, '.');
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} else {
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$url = "/course/$url";
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}
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break;
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case 'calendar':
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$url = "/calendar/$url";
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break;
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case 'user':
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case 'blog':
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$url = "/$module/$url";
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break;
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case 'upload':
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$url = $url;
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break;
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case 'coursetags':
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$url = '/'.$url;
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break;
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case 'library':
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case '':
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$url = '/';
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break;
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case 'message':
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$url = "/message/$url";
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break;
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case 'notes':
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$url = "/notes/$url";
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break;
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case 'tag':
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$url = "/tag/$url";
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break;
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case 'role':
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$url = '/'.$url;
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break;
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case 'grade':
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$url = "/grade/$url";
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break;
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default:
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$url = "/mod/$module/$url";
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break;
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}
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//now let's sanitise urls - there might be some ugly nasties:-(
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$parts = explode('?', $url);
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$script = array_shift($parts);
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if (strpos($script, 'http') === 0) {
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$script = clean_param($script, PARAM_URL);
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} else {
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$script = clean_param($script, PARAM_PATH);
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}
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$query = '';
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if ($parts) {
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$query = implode('', $parts);
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$query = str_replace('&', '&', $query); // both & and & are stored in db :-|
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$parts = explode('&', $query);
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$eq = urlencode('=');
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foreach ($parts as $key=>$part) {
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$part = urlencode(urldecode($part));
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$part = str_replace($eq, '=', $part);
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$parts[$key] = $part;
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}
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$query = '?'.implode('&', $parts);
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}
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return $script.$query;
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}
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function build_mnet_logs_array($hostid, $course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
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$modname="", $modid=0, $modaction="", $groupid=0) {
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global $CFG, $DB;
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// It is assumed that $date is the GMT time of midnight for that day,
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// and so the next 86400 seconds worth of logs are printed.
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/// Setup for group handling.
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// TODO: I don't understand group/context/etc. enough to be able to do
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// something interesting with it here
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// What is the context of a remote course?
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/// If the group mode is separate, and this user does not have editing privileges,
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/// then only the user's group can be viewed.
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//if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', context_course::instance($course->id))) {
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// $groupid = get_current_group($course->id);
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//}
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/// If this course doesn't have groups, no groupid can be specified.
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//else if (!$course->groupmode) {
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// $groupid = 0;
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//}
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$groupid = 0;
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$joins = array();
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$where = '';
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$qry = "SELECT l.*, u.firstname, u.lastname, u.picture
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FROM {mnet_log} l
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LEFT JOIN {user} u ON l.userid = u.id
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WHERE ";
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$params = array();
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$where .= "l.hostid = :hostid";
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$params['hostid'] = $hostid;
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// TODO: Is 1 really a magic number referring to the sitename?
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if ($course != SITEID || $modid != 0) {
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$where .= " AND l.course=:courseid";
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$params['courseid'] = $course;
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}
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if ($modname) {
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$where .= " AND l.module = :modname";
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$params['modname'] = $modname;
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}
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if ('site_errors' === $modid) {
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$where .= " AND ( l.action='error' OR l.action='infected' )";
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} else if ($modid) {
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//TODO: This assumes that modids are the same across sites... probably
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//not true
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$where .= " AND l.cmid = :modid";
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$params['modid'] = $modid;
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}
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if ($modaction) {
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$firstletter = substr($modaction, 0, 1);
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if ($firstletter == '-') {
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$where .= " AND ".$DB->sql_like('l.action', ':modaction', false, true, true);
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$params['modaction'] = '%'.substr($modaction, 1).'%';
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} else {
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$where .= " AND ".$DB->sql_like('l.action', ':modaction', false);
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$params['modaction'] = '%'.$modaction.'%';
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}
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}
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if ($user) {
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$where .= " AND l.userid = :user";
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$params['user'] = $user;
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}
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if ($date) {
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$enddate = $date + 86400;
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$where .= " AND l.time > :date AND l.time < :enddate";
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$params['date'] = $date;
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$params['enddate'] = $enddate;
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}
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$result = array();
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$result['totalcount'] = $DB->count_records_sql("SELECT COUNT('x') FROM {mnet_log} l WHERE $where", $params);
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if(!empty($result['totalcount'])) {
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$where .= " ORDER BY $order";
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$result['logs'] = $DB->get_records_sql("$qry $where", $params, $limitfrom, $limitnum);
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} else {
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$result['logs'] = array();
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}
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return $result;
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}
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/**
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* Checks the integrity of the course data.
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*
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* In summary - compares course_sections.sequence and course_modules.section.
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*
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* More detailed, checks that:
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* - course_sections.sequence contains each module id not more than once in the course
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* - for each moduleid from course_sections.sequence the field course_modules.section
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* refers to the same section id (this means course_sections.sequence is more
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* important if they are different)
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* - ($fullcheck only) each module in the course is present in one of
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* course_sections.sequence
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* - ($fullcheck only) removes non-existing course modules from section sequences
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*
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* If there are any mismatches, the changes are made and records are updated in DB.
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*
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* Course cache is NOT rebuilt if there are any errors!
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*
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* This function is used each time when course cache is being rebuilt with $fullcheck = false
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* and in CLI script admin/cli/fix_course_sequence.php with $fullcheck = true
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*
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* @param int $courseid id of the course
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* @param array $rawmods result of funciton {@link get_course_mods()} - containst
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* the list of enabled course modules in the course. Retrieved from DB if not specified.
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* Argument ignored in cashe of $fullcheck, the list is retrieved form DB anyway.
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* @param array $sections records from course_sections table for this course.
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* Retrieved from DB if not specified
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* @param bool $fullcheck Will add orphaned modules to their sections and remove non-existing
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* course modules from sequences. Only to be used in site maintenance mode when we are
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* sure that another user is not in the middle of the process of moving/removing a module.
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* @param bool $checkonly Only performs the check without updating DB, outputs all errors as debug messages.
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* @return array|false array of messages with found problems. Empty output means everything is ok
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*/
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function course_integrity_check($courseid, $rawmods = null, $sections = null, $fullcheck = false, $checkonly = false) {
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global $DB;
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$messages = array();
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if ($sections === null) {
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$sections = $DB->get_records('course_sections', array('course' => $courseid), 'section', 'id,section,sequence');
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}
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if ($fullcheck) {
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// Retrieve all records from course_modules regardless of module type visibility.
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$rawmods = $DB->get_records('course_modules', array('course' => $courseid), 'id', 'id,section');
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}
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if ($rawmods === null) {
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$rawmods = get_course_mods($courseid);
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}
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if (!$fullcheck && (empty($sections) || empty($rawmods))) {
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// If either of the arrays is empty, no modules are displayed anyway.
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return true;
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}
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$debuggingprefix = 'Failed integrity check for course ['.$courseid.']. ';
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// First make sure that each module id appears in section sequences only once.
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// If it appears in several section sequences the last section wins.
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// If it appears twice in one section sequence, the first occurence wins.
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$modsection = array();
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foreach ($sections as $sectionid => $section) {
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$sections[$sectionid]->newsequence = $section->sequence;
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if (!empty($section->sequence)) {
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$sequence = explode(",", $section->sequence);
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$sequenceunique = array_unique($sequence);
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if (count($sequenceunique) != count($sequence)) {
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// Some course module id appears in this section sequence more than once.
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ksort($sequenceunique); // Preserve initial order of modules.
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$sequence = array_values($sequenceunique);
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$sections[$sectionid]->newsequence = join(',', $sequence);
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$messages[] = $debuggingprefix.'Sequence for course section ['.
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$sectionid.'] is "'.$sections[$sectionid]->sequence.'", must be "'.$sections[$sectionid]->newsequence.'"';
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}
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foreach ($sequence as $cmid) {
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if (array_key_exists($cmid, $modsection) && isset($rawmods[$cmid])) {
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// Some course module id appears to be in more than one section's sequences.
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$wrongsectionid = $modsection[$cmid];
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$sections[$wrongsectionid]->newsequence = trim(preg_replace("/,$cmid,/", ',', ','.$sections[$wrongsectionid]->newsequence. ','), ',');
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$messages[] = $debuggingprefix.'Course module ['.$cmid.'] must be removed from sequence of section ['.
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$wrongsectionid.'] because it is also present in sequence of section ['.$sectionid.']';
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}
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$modsection[$cmid] = $sectionid;
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}
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}
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}
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// Add orphaned modules to their sections if they exist or to section 0 otherwise.
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if ($fullcheck) {
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foreach ($rawmods as $cmid => $mod) {
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if (!isset($modsection[$cmid])) {
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// This is a module that is not mentioned in course_section.sequence at all.
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// Add it to the section $mod->section or to the last available section.
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if ($mod->section && isset($sections[$mod->section])) {
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$modsection[$cmid] = $mod->section;
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} else {
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$firstsection = reset($sections);
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$modsection[$cmid] = $firstsection->id;
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}
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$sections[$modsection[$cmid]]->newsequence = trim($sections[$modsection[$cmid]]->newsequence.','.$cmid, ',');
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$messages[] = $debuggingprefix.'Course module ['.$cmid.'] is missing from sequence of section ['.
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$modsection[$cmid].']';
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}
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}
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foreach ($modsection as $cmid => $sectionid) {
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if (!isset($rawmods[$cmid])) {
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// Section $sectionid refers to module id that does not exist.
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$sections[$sectionid]->newsequence = trim(preg_replace("/,$cmid,/", ',', ','.$sections[$sectionid]->newsequence.','), ',');
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$messages[] = $debuggingprefix.'Course module ['.$cmid.
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'] does not exist but is present in the sequence of section ['.$sectionid.']';
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}
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}
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}
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// Update changed sections.
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if (!$checkonly && !empty($messages)) {
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foreach ($sections as $sectionid => $section) {
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if ($section->newsequence !== $section->sequence) {
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$DB->update_record('course_sections', array('id' => $sectionid, 'sequence' => $section->newsequence));
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}
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}
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}
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// Now make sure that all modules point to the correct sections.
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foreach ($rawmods as $cmid => $mod) {
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if (isset($modsection[$cmid]) && $modsection[$cmid] != $mod->section) {
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if (!$checkonly) {
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$DB->update_record('course_modules', array('id' => $cmid, 'section' => $modsection[$cmid]));
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}
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$messages[] = $debuggingprefix.'Course module ['.$cmid.
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'] points to section ['.$mod->section.'] instead of ['.$modsection[$cmid].']';
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}
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}
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return $messages;
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}
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/**
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* Returns an array where the key is the module name (component name without 'mod_')
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* and the value is a lang_string object with a human-readable string.
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*
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* @param bool $plural If true, the function returns the plural forms of the names.
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* @param bool $resetcache If true, the static cache will be reset
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* @return lang_string[] Localised human-readable names of all used modules.
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*/
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function get_module_types_names($plural = false, $resetcache = false) {
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static $modnames = null;
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global $DB, $CFG;
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if ($modnames === null || empty($modnames[0]) || $resetcache) {
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$modnames = array(0 => array(), 1 => array());
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if ($allmods = $DB->get_records("modules")) {
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foreach ($allmods as $mod) {
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if (file_exists("$CFG->dirroot/mod/$mod->name/lib.php") && $mod->visible) {
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$modnames[0][$mod->name] = get_string("modulename", "$mod->name", null, true);
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$modnames[1][$mod->name] = get_string("modulenameplural", "$mod->name", null, true);
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}
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}
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}
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}
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return $modnames[(int)$plural];
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}
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/**
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* Set highlighted section. Only one section can be highlighted at the time.
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*
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* @param int $courseid course id
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* @param int $marker highlight section with this number, 0 means remove higlightin
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* @return void
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*/
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function course_set_marker($courseid, $marker) {
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global $DB, $COURSE;
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$DB->set_field("course", "marker", $marker, array('id' => $courseid));
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if ($COURSE && $COURSE->id == $courseid) {
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$COURSE->marker = $marker;
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}
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core_courseformat\base::reset_course_cache($courseid);
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course_modinfo::clear_instance_cache($courseid);
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}
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/**
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* For a given course section, marks it visible or hidden,
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* and does the same for every activity in that section
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*
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* @param int $courseid course id
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* @param int $sectionnumber The section number to adjust
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* @param int $visibility The new visibility
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* @return array A list of resources which were hidden in the section
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*/
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function set_section_visible($courseid, $sectionnumber, $visibility) {
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global $DB;
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$resourcestotoggle = array();
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if ($section = $DB->get_record("course_sections", array("course"=>$courseid, "section"=>$sectionnumber))) {
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course_update_section($courseid, $section, array('visible' => $visibility));
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// Determine which modules are visible for AJAX update
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$modules = !empty($section->sequence) ? explode(',', $section->sequence) : array();
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if (!empty($modules)) {
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list($insql, $params) = $DB->get_in_or_equal($modules);
|
|
$select = 'id ' . $insql . ' AND visible = ?';
|
|
array_push($params, $visibility);
|
|
if (!$visibility) {
|
|
$select .= ' AND visibleold = 1';
|
|
}
|
|
$resourcestotoggle = $DB->get_fieldset_select('course_modules', 'id', $select, $params);
|
|
}
|
|
}
|
|
return $resourcestotoggle;
|
|
}
|
|
|
|
/**
|
|
* Return the course category context for the category with id $categoryid, except
|
|
* that if $categoryid is 0, return the system context.
|
|
*
|
|
* @param integer $categoryid a category id or 0.
|
|
* @return context the corresponding context
|
|
*/
|
|
function get_category_or_system_context($categoryid) {
|
|
if ($categoryid) {
|
|
return context_coursecat::instance($categoryid, IGNORE_MISSING);
|
|
} else {
|
|
return context_system::instance();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Print the buttons relating to course requests.
|
|
*
|
|
* @param context $context current page context.
|
|
* @deprecated since Moodle 4.0
|
|
* @todo Final deprecation MDL-73976
|
|
*/
|
|
function print_course_request_buttons($context) {
|
|
global $CFG, $DB, $OUTPUT;
|
|
debugging("print_course_request_buttons() is deprecated. " .
|
|
"This is replaced with the category_action_bar tertiary navigation.", DEBUG_DEVELOPER);
|
|
if (empty($CFG->enablecourserequests)) {
|
|
return;
|
|
}
|
|
if (course_request::can_request($context)) {
|
|
// Print a button to request a new course.
|
|
$params = [];
|
|
if ($context instanceof context_coursecat) {
|
|
$params['category'] = $context->instanceid;
|
|
}
|
|
echo $OUTPUT->single_button(new moodle_url('/course/request.php', $params),
|
|
get_string('requestcourse'), 'get');
|
|
}
|
|
/// Print a button to manage pending requests
|
|
if (has_capability('moodle/site:approvecourse', $context)) {
|
|
$disabled = !$DB->record_exists('course_request', array());
|
|
echo $OUTPUT->single_button(new moodle_url('/course/pending.php'), get_string('coursespending'), 'get', array('disabled' => $disabled));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Does the user have permission to edit things in this category?
|
|
*
|
|
* @param integer $categoryid The id of the category we are showing, or 0 for system context.
|
|
* @return boolean has_any_capability(array(...), ...); in the appropriate context.
|
|
*/
|
|
function can_edit_in_category($categoryid = 0) {
|
|
$context = get_category_or_system_context($categoryid);
|
|
return has_any_capability(array('moodle/category:manage', 'moodle/course:create'), $context);
|
|
}
|
|
|
|
/// MODULE FUNCTIONS /////////////////////////////////////////////////////////////////
|
|
|
|
function add_course_module($mod) {
|
|
global $DB;
|
|
|
|
$mod->added = time();
|
|
unset($mod->id);
|
|
|
|
$cmid = $DB->insert_record("course_modules", $mod);
|
|
rebuild_course_cache($mod->course, true);
|
|
return $cmid;
|
|
}
|
|
|
|
/**
|
|
* Creates a course section and adds it to the specified position
|
|
*
|
|
* @param int|stdClass $courseorid course id or course object
|
|
* @param int $position position to add to, 0 means to the end. If position is greater than
|
|
* number of existing secitons, the section is added to the end. This will become sectionnum of the
|
|
* new section. All existing sections at this or bigger position will be shifted down.
|
|
* @param bool $skipcheck the check has already been made and we know that the section with this position does not exist
|
|
* @return stdClass created section object
|
|
*/
|
|
function course_create_section($courseorid, $position = 0, $skipcheck = false) {
|
|
return formatactions::section($courseorid)->create($position, $skipcheck);
|
|
}
|
|
|
|
/**
|
|
* Creates missing course section(s) and rebuilds course cache
|
|
*
|
|
* @param int|stdClass $courseorid course id or course object
|
|
* @param int|array $sections list of relative section numbers to create
|
|
* @return bool if there were any sections created
|
|
*/
|
|
function course_create_sections_if_missing($courseorid, $sections) {
|
|
if (!is_array($sections)) {
|
|
$sections = array($sections);
|
|
}
|
|
return formatactions::section($courseorid)->create_if_missing($sections);
|
|
}
|
|
|
|
/**
|
|
* Adds an existing module to the section
|
|
*
|
|
* Updates both tables {course_sections} and {course_modules}
|
|
*
|
|
* Note: This function does not use modinfo PROVIDED that the section you are
|
|
* adding the module to already exists. If the section does not exist, it will
|
|
* build modinfo if necessary and create the section.
|
|
*
|
|
* @param int|stdClass $courseorid course id or course object
|
|
* @param int $cmid id of the module already existing in course_modules table
|
|
* @param int $sectionnum relative number of the section (field course_sections.section)
|
|
* If section does not exist it will be created
|
|
* @param int|stdClass $beforemod id or object with field id corresponding to the module
|
|
* before which the module needs to be included. Null for inserting in the
|
|
* end of the section
|
|
* @return int The course_sections ID where the module is inserted
|
|
*/
|
|
function course_add_cm_to_section($courseorid, $cmid, $sectionnum, $beforemod = null) {
|
|
global $DB, $COURSE;
|
|
if (is_object($beforemod)) {
|
|
$beforemod = $beforemod->id;
|
|
}
|
|
if (is_object($courseorid)) {
|
|
$courseid = $courseorid->id;
|
|
} else {
|
|
$courseid = $courseorid;
|
|
}
|
|
// Do not try to use modinfo here, there is no guarantee it is valid!
|
|
$section = $DB->get_record('course_sections',
|
|
array('course' => $courseid, 'section' => $sectionnum), '*', IGNORE_MISSING);
|
|
if (!$section) {
|
|
// This function call requires modinfo.
|
|
course_create_sections_if_missing($courseorid, $sectionnum);
|
|
$section = $DB->get_record('course_sections',
|
|
array('course' => $courseid, 'section' => $sectionnum), '*', MUST_EXIST);
|
|
}
|
|
|
|
$modarray = explode(",", trim($section->sequence));
|
|
if (empty($section->sequence)) {
|
|
$newsequence = "$cmid";
|
|
} else if ($beforemod && ($key = moodle_array_keys_filter($modarray, $beforemod))) {
|
|
$insertarray = array($cmid, $beforemod);
|
|
array_splice($modarray, $key[0], 1, $insertarray);
|
|
$newsequence = implode(",", $modarray);
|
|
} else {
|
|
$newsequence = "$section->sequence,$cmid";
|
|
}
|
|
$DB->set_field("course_sections", "sequence", $newsequence, array("id" => $section->id));
|
|
$DB->set_field('course_modules', 'section', $section->id, array('id' => $cmid));
|
|
rebuild_course_cache($courseid, true);
|
|
return $section->id; // Return course_sections ID that was used.
|
|
}
|
|
|
|
/**
|
|
* Change the group mode of a course module.
|
|
*
|
|
* Note: Do not forget to trigger the event \core\event\course_module_updated as it needs
|
|
* to be triggered manually, refer to {@link \core\event\course_module_updated::create_from_cm()}.
|
|
*
|
|
* @param int $id course module ID.
|
|
* @param int $groupmode the new groupmode value.
|
|
* @return bool True if the $groupmode was updated.
|
|
*/
|
|
function set_coursemodule_groupmode($id, $groupmode) {
|
|
global $DB;
|
|
$cm = $DB->get_record('course_modules', array('id' => $id), 'id,course,groupmode', MUST_EXIST);
|
|
if ($cm->groupmode != $groupmode) {
|
|
$DB->set_field('course_modules', 'groupmode', $groupmode, array('id' => $cm->id));
|
|
\course_modinfo::purge_course_module_cache($cm->course, $cm->id);
|
|
rebuild_course_cache($cm->course, false, true);
|
|
}
|
|
return ($cm->groupmode != $groupmode);
|
|
}
|
|
|
|
function set_coursemodule_idnumber($id, $idnumber) {
|
|
global $DB;
|
|
$cm = $DB->get_record('course_modules', array('id' => $id), 'id,course,idnumber', MUST_EXIST);
|
|
if ($cm->idnumber != $idnumber) {
|
|
$DB->set_field('course_modules', 'idnumber', $idnumber, array('id' => $cm->id));
|
|
\course_modinfo::purge_course_module_cache($cm->course, $cm->id);
|
|
rebuild_course_cache($cm->course, false, true);
|
|
}
|
|
return ($cm->idnumber != $idnumber);
|
|
}
|
|
|
|
/**
|
|
* Set downloadcontent value to course module.
|
|
*
|
|
* @param int $id The id of the module.
|
|
* @param bool $downloadcontent Whether the module can be downloaded when download course content is enabled.
|
|
* @return bool True if downloadcontent has been updated, false otherwise.
|
|
*/
|
|
function set_downloadcontent(int $id, bool $downloadcontent): bool {
|
|
global $DB;
|
|
$cm = $DB->get_record('course_modules', ['id' => $id], 'id, course, downloadcontent', MUST_EXIST);
|
|
if ($cm->downloadcontent != $downloadcontent) {
|
|
$DB->set_field('course_modules', 'downloadcontent', $downloadcontent, ['id' => $cm->id]);
|
|
rebuild_course_cache($cm->course, true);
|
|
}
|
|
return ($cm->downloadcontent != $downloadcontent);
|
|
}
|
|
|
|
/**
|
|
* Set the visibility of a module and inherent properties.
|
|
*
|
|
* Note: Do not forget to trigger the event \core\event\course_module_updated as it needs
|
|
* to be triggered manually, refer to {@link \core\event\course_module_updated::create_from_cm()}.
|
|
*
|
|
* From 2.4 the parameter $prevstateoverrides has been removed, the logic it triggered
|
|
* has been moved to {@link set_section_visible()} which was the only place from which
|
|
* the parameter was used.
|
|
*
|
|
* If $rebuildcache is set to false, the calling code is responsible for ensuring the cache is purged
|
|
* and rebuilt as appropriate. Consider using this if set_coursemodule_visible is called multiple times
|
|
* (e.g. in a loop).
|
|
*
|
|
* @param int $id of the module
|
|
* @param int $visible state of the module
|
|
* @param int $visibleoncoursepage state of the module on the course page
|
|
* @param bool $rebuildcache If true (default), perform a partial cache purge and rebuild.
|
|
* @return bool false when the module was not found, true otherwise
|
|
*/
|
|
function set_coursemodule_visible($id, $visible, $visibleoncoursepage = 1, bool $rebuildcache = true) {
|
|
global $DB, $CFG;
|
|
require_once($CFG->libdir.'/gradelib.php');
|
|
require_once($CFG->dirroot.'/calendar/lib.php');
|
|
|
|
if (!$cm = $DB->get_record('course_modules', array('id'=>$id))) {
|
|
return false;
|
|
}
|
|
|
|
// Create events and propagate visibility to associated grade items if the value has changed.
|
|
// Only do this if it's changed to avoid accidently overwriting manual showing/hiding of student grades.
|
|
if ($cm->visible == $visible && $cm->visibleoncoursepage == $visibleoncoursepage) {
|
|
return true;
|
|
}
|
|
|
|
if (!$modulename = $DB->get_field('modules', 'name', array('id'=>$cm->module))) {
|
|
return false;
|
|
}
|
|
if (($cm->visible != $visible) &&
|
|
($events = $DB->get_records('event', array('instance' => $cm->instance, 'modulename' => $modulename)))) {
|
|
foreach($events as $event) {
|
|
if ($visible) {
|
|
$event = new calendar_event($event);
|
|
$event->toggle_visibility(true);
|
|
} else {
|
|
$event = new calendar_event($event);
|
|
$event->toggle_visibility(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Updating visible and visibleold to keep them in sync. Only changing a section visibility will
|
|
// affect visibleold to allow for an original visibility restore. See set_section_visible().
|
|
$cminfo = new stdClass();
|
|
$cminfo->id = $id;
|
|
$cminfo->visible = $visible;
|
|
$cminfo->visibleoncoursepage = $visibleoncoursepage;
|
|
$cminfo->visibleold = $visible;
|
|
$DB->update_record('course_modules', $cminfo);
|
|
|
|
// Hide the associated grade items so the teacher doesn't also have to go to the gradebook and hide them there.
|
|
// Note that this must be done after updating the row in course_modules, in case
|
|
// the modules grade_item_update function needs to access $cm->visible.
|
|
if ($cm->visible != $visible &&
|
|
plugin_supports('mod', $modulename, FEATURE_CONTROLS_GRADE_VISIBILITY) &&
|
|
component_callback_exists('mod_' . $modulename, 'grade_item_update')) {
|
|
$instance = $DB->get_record($modulename, array('id' => $cm->instance), '*', MUST_EXIST);
|
|
component_callback('mod_' . $modulename, 'grade_item_update', array($instance));
|
|
} else if ($cm->visible != $visible) {
|
|
$grade_items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$modulename, 'iteminstance'=>$cm->instance, 'courseid'=>$cm->course));
|
|
if ($grade_items) {
|
|
foreach ($grade_items as $grade_item) {
|
|
$grade_item->set_hidden(!$visible);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($rebuildcache) {
|
|
\course_modinfo::purge_course_module_cache($cm->course, $cm->id);
|
|
rebuild_course_cache($cm->course, false, true);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Changes the course module name
|
|
*
|
|
* @param int $cmid course module id
|
|
* @param string $name new value for a name
|
|
* @return bool whether a change was made
|
|
*/
|
|
function set_coursemodule_name($cmid, $name) {
|
|
$coursecontext = context_module::instance($cmid)->get_course_context();
|
|
return formatactions::cm($coursecontext->instanceid)->rename($cmid, $name);
|
|
}
|
|
|
|
/**
|
|
* This function will handle the whole deletion process of a module. This includes calling
|
|
* the modules delete_instance function, deleting files, events, grades, conditional data,
|
|
* the data in the course_module and course_sections table and adding a module deletion
|
|
* event to the DB.
|
|
*
|
|
* @param int $cmid the course module id
|
|
* @param bool $async whether or not to try to delete the module using an adhoc task. Async also depends on a plugin hook.
|
|
* @throws moodle_exception
|
|
* @since Moodle 2.5
|
|
*/
|
|
function course_delete_module($cmid, $async = false) {
|
|
// Check the 'course_module_background_deletion_recommended' hook first.
|
|
// Only use asynchronous deletion if at least one plugin returns true and if async deletion has been requested.
|
|
// Both are checked because plugins should not be allowed to dictate the deletion behaviour, only support/decline it.
|
|
// It's up to plugins to handle things like whether or not they are enabled.
|
|
if ($async && $pluginsfunction = get_plugins_with_function('course_module_background_deletion_recommended')) {
|
|
foreach ($pluginsfunction as $plugintype => $plugins) {
|
|
foreach ($plugins as $pluginfunction) {
|
|
if ($pluginfunction()) {
|
|
return course_module_flag_for_async_deletion($cmid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
global $CFG, $DB;
|
|
|
|
require_once($CFG->libdir.'/gradelib.php');
|
|
require_once($CFG->libdir.'/questionlib.php');
|
|
require_once($CFG->dirroot.'/blog/lib.php');
|
|
require_once($CFG->dirroot.'/calendar/lib.php');
|
|
|
|
// Get the course module.
|
|
if (!$cm = $DB->get_record('course_modules', array('id' => $cmid))) {
|
|
return true;
|
|
}
|
|
|
|
// Get the module context.
|
|
$modcontext = context_module::instance($cm->id);
|
|
|
|
// Get the course module name.
|
|
$modulename = $DB->get_field('modules', 'name', array('id' => $cm->module), MUST_EXIST);
|
|
|
|
// Get the file location of the delete_instance function for this module.
|
|
$modlib = "$CFG->dirroot/mod/$modulename/lib.php";
|
|
|
|
// Include the file required to call the delete_instance function for this module.
|
|
if (file_exists($modlib)) {
|
|
require_once($modlib);
|
|
} else {
|
|
throw new moodle_exception('cannotdeletemodulemissinglib', '', '', null,
|
|
"Cannot delete this module as the file mod/$modulename/lib.php is missing.");
|
|
}
|
|
|
|
$deleteinstancefunction = $modulename . '_delete_instance';
|
|
|
|
// Ensure the delete_instance function exists for this module.
|
|
if (!function_exists($deleteinstancefunction)) {
|
|
throw new moodle_exception('cannotdeletemodulemissingfunc', '', '', null,
|
|
"Cannot delete this module as the function {$modulename}_delete_instance is missing in mod/$modulename/lib.php.");
|
|
}
|
|
|
|
// Allow plugins to use this course module before we completely delete it.
|
|
if ($pluginsfunction = get_plugins_with_function('pre_course_module_delete')) {
|
|
foreach ($pluginsfunction as $plugintype => $plugins) {
|
|
foreach ($plugins as $pluginfunction) {
|
|
$pluginfunction($cm);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Call the delete_instance function, if it returns false throw an exception.
|
|
if (!$deleteinstancefunction($cm->instance)) {
|
|
throw new moodle_exception('cannotdeletemoduleinstance', '', '', null,
|
|
"Cannot delete the module $modulename (instance).");
|
|
}
|
|
|
|
question_delete_activity($cm);
|
|
|
|
// Remove all module files in case modules forget to do that.
|
|
$fs = get_file_storage();
|
|
$fs->delete_area_files($modcontext->id);
|
|
|
|
// Delete events from calendar.
|
|
if ($events = $DB->get_records('event', array('instance' => $cm->instance, 'modulename' => $modulename))) {
|
|
$coursecontext = context_course::instance($cm->course);
|
|
foreach($events as $event) {
|
|
$event->context = $coursecontext;
|
|
$calendarevent = calendar_event::load($event);
|
|
$calendarevent->delete();
|
|
}
|
|
}
|
|
|
|
// Delete grade items, outcome items and grades attached to modules.
|
|
if ($grade_items = grade_item::fetch_all(array('itemtype' => 'mod', 'itemmodule' => $modulename,
|
|
'iteminstance' => $cm->instance, 'courseid' => $cm->course))) {
|
|
foreach ($grade_items as $grade_item) {
|
|
$grade_item->delete('moddelete');
|
|
}
|
|
}
|
|
|
|
// Delete associated blogs and blog tag instances.
|
|
blog_remove_associations_for_module($modcontext->id);
|
|
|
|
// Delete completion and availability data; it is better to do this even if the
|
|
// features are not turned on, in case they were turned on previously (these will be
|
|
// very quick on an empty table).
|
|
$DB->delete_records('course_modules_completion', array('coursemoduleid' => $cm->id));
|
|
$DB->delete_records('course_modules_viewed', ['coursemoduleid' => $cm->id]);
|
|
$DB->delete_records('course_completion_criteria', array('moduleinstance' => $cm->id,
|
|
'course' => $cm->course,
|
|
'criteriatype' => COMPLETION_CRITERIA_TYPE_ACTIVITY));
|
|
|
|
// Delete all tag instances associated with the instance of this module.
|
|
core_tag_tag::delete_instances('mod_' . $modulename, null, $modcontext->id);
|
|
core_tag_tag::remove_all_item_tags('core', 'course_modules', $cm->id);
|
|
|
|
// Notify the competency subsystem.
|
|
\core_competency\api::hook_course_module_deleted($cm);
|
|
|
|
// Delete the context.
|
|
context_helper::delete_instance(CONTEXT_MODULE, $cm->id);
|
|
|
|
// Delete the module from the course_modules table.
|
|
$DB->delete_records('course_modules', array('id' => $cm->id));
|
|
|
|
// Delete module from that section.
|
|
if (!delete_mod_from_section($cm->id, $cm->section)) {
|
|
throw new moodle_exception('cannotdeletemodulefromsection', '', '', null,
|
|
"Cannot delete the module $modulename (instance) from section.");
|
|
}
|
|
|
|
// Trigger event for course module delete action.
|
|
$event = \core\event\course_module_deleted::create(array(
|
|
'courseid' => $cm->course,
|
|
'context' => $modcontext,
|
|
'objectid' => $cm->id,
|
|
'other' => array(
|
|
'modulename' => $modulename,
|
|
'instanceid' => $cm->instance,
|
|
)
|
|
));
|
|
$event->add_record_snapshot('course_modules', $cm);
|
|
$event->trigger();
|
|
\course_modinfo::purge_course_module_cache($cm->course, $cm->id);
|
|
rebuild_course_cache($cm->course, false, true);
|
|
}
|
|
|
|
/**
|
|
* Schedule a course module for deletion in the background using an adhoc task.
|
|
*
|
|
* This method should not be called directly. Instead, please use course_delete_module($cmid, true), to denote async deletion.
|
|
* The real deletion of the module is handled by the task, which calls 'course_delete_module($cmid)'.
|
|
*
|
|
* @param int $cmid the course module id.
|
|
* @return ?bool whether the module was successfully scheduled for deletion.
|
|
* @throws \moodle_exception
|
|
*/
|
|
function course_module_flag_for_async_deletion($cmid) {
|
|
global $CFG, $DB, $USER;
|
|
require_once($CFG->libdir.'/gradelib.php');
|
|
require_once($CFG->libdir.'/questionlib.php');
|
|
require_once($CFG->dirroot.'/blog/lib.php');
|
|
require_once($CFG->dirroot.'/calendar/lib.php');
|
|
|
|
// Get the course module.
|
|
if (!$cm = $DB->get_record('course_modules', array('id' => $cmid))) {
|
|
return true;
|
|
}
|
|
|
|
// We need to be reasonably certain the deletion is going to succeed before we background the process.
|
|
// Make the necessary delete_instance checks, etc. before proceeding further. Throw exceptions if required.
|
|
|
|
// Get the course module name.
|
|
$modulename = $DB->get_field('modules', 'name', array('id' => $cm->module), MUST_EXIST);
|
|
|
|
// Get the file location of the delete_instance function for this module.
|
|
$modlib = "$CFG->dirroot/mod/$modulename/lib.php";
|
|
|
|
// Include the file required to call the delete_instance function for this module.
|
|
if (file_exists($modlib)) {
|
|
require_once($modlib);
|
|
} else {
|
|
throw new \moodle_exception('cannotdeletemodulemissinglib', '', '', null,
|
|
"Cannot delete this module as the file mod/$modulename/lib.php is missing.");
|
|
}
|
|
|
|
$deleteinstancefunction = $modulename . '_delete_instance';
|
|
|
|
// Ensure the delete_instance function exists for this module.
|
|
if (!function_exists($deleteinstancefunction)) {
|
|
throw new \moodle_exception('cannotdeletemodulemissingfunc', '', '', null,
|
|
"Cannot delete this module as the function {$modulename}_delete_instance is missing in mod/$modulename/lib.php.");
|
|
}
|
|
|
|
// We are going to defer the deletion as we can't be sure how long the module's pre_delete code will run for.
|
|
$cm->deletioninprogress = '1';
|
|
$DB->update_record('course_modules', $cm);
|
|
|
|
// Create an adhoc task for the deletion of the course module. The task takes an array of course modules for removal.
|
|
$removaltask = new \core_course\task\course_delete_modules();
|
|
$removaltask->set_custom_data(array(
|
|
'cms' => array($cm),
|
|
'userid' => $USER->id,
|
|
'realuserid' => \core\session\manager::get_realuser()->id
|
|
));
|
|
|
|
// Queue the task for the next run.
|
|
\core\task\manager::queue_adhoc_task($removaltask);
|
|
|
|
// Reset the course cache to hide the module.
|
|
rebuild_course_cache($cm->course, true);
|
|
}
|
|
|
|
/**
|
|
* Checks whether the given course has any course modules scheduled for adhoc deletion.
|
|
*
|
|
* @param int $courseid the id of the course.
|
|
* @param bool $onlygradable whether to check only gradable modules or all modules.
|
|
* @return bool true if the course contains any modules pending deletion, false otherwise.
|
|
*/
|
|
function course_modules_pending_deletion(int $courseid, bool $onlygradable = false): bool {
|
|
if (empty($courseid)) {
|
|
return false;
|
|
}
|
|
|
|
if ($onlygradable) {
|
|
// Fetch modules with grade items.
|
|
if (!$coursegradeitems = grade_item::fetch_all(['itemtype' => 'mod', 'courseid' => $courseid])) {
|
|
// Return early when there is none.
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$modinfo = get_fast_modinfo($courseid);
|
|
foreach ($modinfo->get_cms() as $module) {
|
|
if ($module->deletioninprogress == '1') {
|
|
if ($onlygradable) {
|
|
// Check if the module being deleted is in the list of course modules with grade items.
|
|
foreach ($coursegradeitems as $coursegradeitem) {
|
|
if ($coursegradeitem->itemmodule == $module->modname && $coursegradeitem->iteminstance == $module->instance) {
|
|
// The module being deleted is within the gradable modules.
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the course module, as defined by modulename and instanceid, is scheduled for deletion within the given course.
|
|
*
|
|
* @param int $courseid the course id.
|
|
* @param string $modulename the module name. E.g. 'assign', 'book', etc.
|
|
* @param int $instanceid the module instance id.
|
|
* @return bool true if the course module is pending deletion, false otherwise.
|
|
*/
|
|
function course_module_instance_pending_deletion($courseid, $modulename, $instanceid) {
|
|
if (empty($courseid) || empty($modulename) || empty($instanceid)) {
|
|
return false;
|
|
}
|
|
$modinfo = get_fast_modinfo($courseid);
|
|
$instances = $modinfo->get_instances_of($modulename);
|
|
return isset($instances[$instanceid]) && $instances[$instanceid]->deletioninprogress;
|
|
}
|
|
|
|
function delete_mod_from_section($modid, $sectionid) {
|
|
global $DB;
|
|
|
|
if ($section = $DB->get_record("course_sections", array("id"=>$sectionid)) ) {
|
|
|
|
$modarray = explode(",", $section->sequence);
|
|
|
|
if ($key = moodle_array_keys_filter($modarray, $modid)) {
|
|
array_splice($modarray, $key[0], 1);
|
|
$newsequence = implode(",", $modarray);
|
|
$DB->set_field("course_sections", "sequence", $newsequence, array("id"=>$section->id));
|
|
rebuild_course_cache($section->course, true);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* This function updates the calendar events from the information stored in the module table and the course
|
|
* module table.
|
|
*
|
|
* @param string $modulename Module name
|
|
* @param stdClass $instance Module object. Either the $instance or the $cm must be supplied.
|
|
* @param stdClass $cm Course module object. Either the $instance or the $cm must be supplied.
|
|
* @return bool Returns true if calendar events are updated.
|
|
* @since Moodle 3.3.4
|
|
*/
|
|
function course_module_update_calendar_events($modulename, $instance = null, $cm = null) {
|
|
global $DB;
|
|
|
|
if (isset($instance) || isset($cm)) {
|
|
|
|
if (!isset($instance)) {
|
|
$instance = $DB->get_record($modulename, array('id' => $cm->instance), '*', MUST_EXIST);
|
|
}
|
|
if (!isset($cm)) {
|
|
$cm = get_coursemodule_from_instance($modulename, $instance->id, $instance->course);
|
|
}
|
|
if (!empty($cm)) {
|
|
course_module_calendar_event_update_process($instance, $cm);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Update all instances through out the site or in a course.
|
|
*
|
|
* @param string $modulename Module type to update.
|
|
* @param integer $courseid Course id to update events. 0 for the whole site.
|
|
* @return bool Returns True if the update was successful.
|
|
* @since Moodle 3.3.4
|
|
*/
|
|
function course_module_bulk_update_calendar_events($modulename, $courseid = 0) {
|
|
global $DB;
|
|
|
|
$instances = null;
|
|
if ($courseid) {
|
|
if (!$instances = $DB->get_records($modulename, array('course' => $courseid))) {
|
|
return false;
|
|
}
|
|
} else {
|
|
if (!$instances = $DB->get_records($modulename)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
foreach ($instances as $instance) {
|
|
if ($cm = get_coursemodule_from_instance($modulename, $instance->id, $instance->course)) {
|
|
course_module_calendar_event_update_process($instance, $cm);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Calendar events for a module instance are updated.
|
|
*
|
|
* @param stdClass $instance Module instance object.
|
|
* @param stdClass $cm Course Module object.
|
|
* @since Moodle 3.3.4
|
|
*/
|
|
function course_module_calendar_event_update_process($instance, $cm) {
|
|
// We need to call *_refresh_events() first because some modules delete 'old' events at the end of the code which
|
|
// will remove the completion events.
|
|
$refresheventsfunction = $cm->modname . '_refresh_events';
|
|
if (function_exists($refresheventsfunction)) {
|
|
call_user_func($refresheventsfunction, $cm->course, $instance, $cm);
|
|
}
|
|
$completionexpected = (!empty($cm->completionexpected)) ? $cm->completionexpected : null;
|
|
\core_completion\api::update_completion_date_event($cm->id, $cm->modname, $instance, $completionexpected);
|
|
}
|
|
|
|
/**
|
|
* Moves a section within a course, from a position to another.
|
|
* Be very careful: $section and $destination refer to section number,
|
|
* not id!.
|
|
*
|
|
* @param object $course
|
|
* @param int $section Section number (not id!!!)
|
|
* @param int $destination
|
|
* @param bool $ignorenumsections
|
|
* @return boolean Result
|
|
*/
|
|
function move_section_to($course, $section, $destination, $ignorenumsections = false) {
|
|
/// Moves a whole course section up and down within the course
|
|
global $USER, $DB;
|
|
|
|
if (!$destination && $destination != 0) {
|
|
return true;
|
|
}
|
|
|
|
// compartibility with course formats using field 'numsections'
|
|
$courseformatoptions = course_get_format($course)->get_format_options();
|
|
if ((!$ignorenumsections && array_key_exists('numsections', $courseformatoptions) &&
|
|
($destination > $courseformatoptions['numsections'])) || ($destination < 1)) {
|
|
return false;
|
|
}
|
|
|
|
// Get all sections for this course and re-order them (2 of them should now share the same section number)
|
|
if (!$sections = $DB->get_records_menu('course_sections', array('course' => $course->id),
|
|
'section ASC, id ASC', 'id, section')) {
|
|
return false;
|
|
}
|
|
|
|
$movedsections = reorder_sections($sections, $section, $destination);
|
|
|
|
// Update all sections. Do this in 2 steps to avoid breaking database
|
|
// uniqueness constraint
|
|
$transaction = $DB->start_delegated_transaction();
|
|
foreach ($movedsections as $id => $position) {
|
|
if ((int) $sections[$id] !== $position) {
|
|
$DB->set_field('course_sections', 'section', -$position, ['id' => $id]);
|
|
// Invalidate the section cache by given section id.
|
|
course_modinfo::purge_course_section_cache_by_id($course->id, $id);
|
|
}
|
|
}
|
|
foreach ($movedsections as $id => $position) {
|
|
if ((int) $sections[$id] !== $position) {
|
|
$DB->set_field('course_sections', 'section', $position, ['id' => $id]);
|
|
// Invalidate the section cache by given section id.
|
|
course_modinfo::purge_course_section_cache_by_id($course->id, $id);
|
|
}
|
|
}
|
|
|
|
// If we move the highlighted section itself, then just highlight the destination.
|
|
// Adjust the higlighted section location if we move something over it either direction.
|
|
if ($section == $course->marker) {
|
|
course_set_marker($course->id, $destination);
|
|
} else if ($section > $course->marker && $course->marker >= $destination) {
|
|
course_set_marker($course->id, $course->marker+1);
|
|
} else if ($section < $course->marker && $course->marker <= $destination) {
|
|
course_set_marker($course->id, $course->marker-1);
|
|
}
|
|
|
|
$transaction->allow_commit();
|
|
rebuild_course_cache($course->id, true, true);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* This method will delete a course section and may delete all modules inside it.
|
|
*
|
|
* No permissions are checked here, use {@link course_can_delete_section()} to
|
|
* check if section can actually be deleted.
|
|
*
|
|
* @param int|stdClass $course
|
|
* @param int|stdClass|section_info $sectionornum
|
|
* @param bool $forcedeleteifnotempty if set to false section will not be deleted if it has modules in it.
|
|
* @param bool $async whether or not to try to delete the section using an adhoc task. Async also depends on a plugin hook.
|
|
* @return bool whether section was deleted
|
|
*/
|
|
function course_delete_section($course, $sectionornum, $forcedeleteifnotempty = true, $async = false) {
|
|
$sectionnum = (is_object($sectionornum)) ? $sectionornum->section : (int)$sectionornum;
|
|
$sectioninfo = get_fast_modinfo($course)->get_section_info($sectionnum);
|
|
if (!$sectioninfo) {
|
|
return false;
|
|
}
|
|
return formatactions::section($course)->delete($sectioninfo, $forcedeleteifnotempty, $async);
|
|
}
|
|
|
|
/**
|
|
* Course section deletion, using an adhoc task for deletion of the modules it contains.
|
|
* 1. Schedule all modules within the section for adhoc removal.
|
|
* 2. Move all modules to course section 0.
|
|
* 3. Delete the resulting empty section.
|
|
*
|
|
* @param \stdClass $section the section to schedule for deletion.
|
|
* @param bool $forcedeleteifnotempty whether to force section deletion if it contains modules.
|
|
* @return bool true if the section was scheduled for deletion, false otherwise.
|
|
*/
|
|
function course_delete_section_async($section, $forcedeleteifnotempty = true) {
|
|
if (!is_object($section) || empty($section->id) || empty($section->course)) {
|
|
return false;
|
|
}
|
|
$sectioninfo = get_fast_modinfo($section->course)->get_section_info_by_id($section->id);
|
|
if (!$sectioninfo) {
|
|
return false;
|
|
}
|
|
return formatactions::section($section->course)->delete_async($sectioninfo, $forcedeleteifnotempty);
|
|
}
|
|
|
|
/**
|
|
* Updates the course section
|
|
*
|
|
* This function does not check permissions or clean values - this has to be done prior to calling it.
|
|
*
|
|
* @param int|stdClass $courseorid
|
|
* @param stdClass|section_info $section record from course_sections table - it will be updated with the new values
|
|
* @param array|stdClass $data
|
|
*/
|
|
function course_update_section($courseorid, $section, $data) {
|
|
$sectioninfo = get_fast_modinfo($courseorid)->get_section_info_by_id($section->id);
|
|
formatactions::section($courseorid)->update($sectioninfo, $data);
|
|
|
|
// Update $section object fields (for legacy compatibility).
|
|
$data = array_diff_key((array) $data, array_flip(['id', 'course', 'section', 'sequence']));
|
|
foreach ($data as $key => $value) {
|
|
if (property_exists($section, $key)) {
|
|
$section->$key = $value;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the current user can delete a section (if course format allows it and user has proper permissions).
|
|
*
|
|
* @param int|stdClass $course
|
|
* @param int|stdClass|section_info $section
|
|
* @return bool
|
|
*/
|
|
function course_can_delete_section($course, $section) {
|
|
if (is_object($section)) {
|
|
$section = $section->section;
|
|
}
|
|
if (!$section) {
|
|
// Not possible to delete 0-section.
|
|
return false;
|
|
}
|
|
// Course format should allow to delete sections.
|
|
if (!course_get_format($course)->can_delete_section($section)) {
|
|
return false;
|
|
}
|
|
// Make sure user has capability to update course and move sections.
|
|
$context = context_course::instance(is_object($course) ? $course->id : $course);
|
|
if (!has_all_capabilities(array('moodle/course:movesections', 'moodle/course:update'), $context)) {
|
|
return false;
|
|
}
|
|
// Make sure user has capability to delete each activity in this section.
|
|
$modinfo = get_fast_modinfo($course);
|
|
if (!empty($modinfo->sections[$section])) {
|
|
foreach ($modinfo->sections[$section] as $cmid) {
|
|
if (!has_capability('moodle/course:manageactivities', context_module::instance($cmid))) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Reordering algorithm for course sections. Given an array of section->section indexed by section->id,
|
|
* an original position number and a target position number, rebuilds the array so that the
|
|
* move is made without any duplication of section positions.
|
|
* Note: The target_position is the position AFTER WHICH the moved section will be inserted. If you want to
|
|
* insert a section before the first one, you must give 0 as the target (section 0 can never be moved).
|
|
*
|
|
* @param array $sections
|
|
* @param int $origin_position
|
|
* @param int $target_position
|
|
* @return array|false
|
|
*/
|
|
function reorder_sections($sections, $origin_position, $target_position) {
|
|
if (!is_array($sections)) {
|
|
return false;
|
|
}
|
|
|
|
// We can't move section position 0
|
|
if ($origin_position < 1) {
|
|
echo "We can't move section position 0";
|
|
return false;
|
|
}
|
|
|
|
// Locate origin section in sections array
|
|
if (!$origin_key = array_search($origin_position, $sections)) {
|
|
echo "searched position not in sections array";
|
|
return false; // searched position not in sections array
|
|
}
|
|
|
|
// Extract origin section
|
|
$origin_section = $sections[$origin_key];
|
|
unset($sections[$origin_key]);
|
|
|
|
// Find offset of target position (stupid PHP's array_splice requires offset instead of key index!)
|
|
$found = false;
|
|
$append_array = array();
|
|
foreach ($sections as $id => $position) {
|
|
if ($found) {
|
|
$append_array[$id] = $position;
|
|
unset($sections[$id]);
|
|
}
|
|
if ($position == $target_position) {
|
|
if ($target_position < $origin_position) {
|
|
$append_array[$id] = $position;
|
|
unset($sections[$id]);
|
|
}
|
|
$found = true;
|
|
}
|
|
}
|
|
|
|
// Append moved section
|
|
$sections[$origin_key] = $origin_section;
|
|
|
|
// Append rest of array (if applicable)
|
|
if (!empty($append_array)) {
|
|
foreach ($append_array as $id => $position) {
|
|
$sections[$id] = $position;
|
|
}
|
|
}
|
|
|
|
// Renumber positions
|
|
$position = 0;
|
|
foreach ($sections as $id => $p) {
|
|
$sections[$id] = $position;
|
|
$position++;
|
|
}
|
|
|
|
return $sections;
|
|
|
|
}
|
|
|
|
/**
|
|
* Move the module object $mod to the specified $section
|
|
* If $beforemod exists then that is the module
|
|
* before which $modid should be inserted
|
|
*
|
|
* @param stdClass|cm_info $mod
|
|
* @param stdClass|section_info $section
|
|
* @param int|stdClass $beforemod id or object with field id corresponding to the module
|
|
* before which the module needs to be included. Null for inserting in the
|
|
* end of the section
|
|
* @return int new value for module visibility (0 or 1)
|
|
*/
|
|
function moveto_module($mod, $section, $beforemod=NULL) {
|
|
global $OUTPUT, $DB;
|
|
|
|
// Current module visibility state - return value of this function.
|
|
$modvisible = $mod->visible;
|
|
|
|
// Remove original module from original section.
|
|
if (! delete_mod_from_section($mod->id, $mod->section)) {
|
|
echo $OUTPUT->notification("Could not delete module from existing section");
|
|
}
|
|
|
|
// Add the module into the new section.
|
|
course_add_cm_to_section($section->course, $mod->id, $section->section, $beforemod);
|
|
|
|
// If moving to a hidden section then hide module.
|
|
if ($mod->section != $section->id) {
|
|
if (!$section->visible && $mod->visible) {
|
|
// Module was visible but must become hidden after moving to hidden section.
|
|
$modvisible = 0;
|
|
set_coursemodule_visible($mod->id, 0);
|
|
// Set visibleold to 1 so module will be visible when section is made visible.
|
|
$DB->set_field('course_modules', 'visibleold', 1, array('id' => $mod->id));
|
|
}
|
|
if ($section->visible && !$mod->visible) {
|
|
// Hidden module was moved to the visible section, restore the module visibility from visibleold.
|
|
set_coursemodule_visible($mod->id, $mod->visibleold);
|
|
$modvisible = $mod->visibleold;
|
|
}
|
|
}
|
|
|
|
return $modvisible;
|
|
}
|
|
|
|
/**
|
|
* Returns the list of all editing actions that current user can perform on the module
|
|
*
|
|
* @param cm_info $mod The module to produce editing buttons for
|
|
* @param int $indent The current indenting (default -1 means no move left-right actions)
|
|
* @param int $sr The section to link back to (used for creating the links)
|
|
* @return array array of action_link or pix_icon objects
|
|
*/
|
|
function course_get_cm_edit_actions(cm_info $mod, $indent = -1, $sr = null) {
|
|
global $COURSE, $SITE, $CFG;
|
|
|
|
static $str;
|
|
|
|
$coursecontext = context_course::instance($mod->course);
|
|
$modcontext = context_module::instance($mod->id);
|
|
$courseformat = course_get_format($mod->get_course());
|
|
$usecomponents = $courseformat->supports_components();
|
|
$sectioninfo = $mod->get_section_info();
|
|
|
|
$editcaps = array('moodle/course:manageactivities', 'moodle/course:activityvisibility', 'moodle/role:assign');
|
|
$dupecaps = array('moodle/backup:backuptargetimport', 'moodle/restore:restoretargetimport');
|
|
|
|
// No permission to edit anything.
|
|
if (!has_any_capability($editcaps, $modcontext) and !has_all_capabilities($dupecaps, $coursecontext)) {
|
|
return array();
|
|
}
|
|
|
|
$hasmanageactivities = has_capability('moodle/course:manageactivities', $modcontext);
|
|
|
|
if (!isset($str)) {
|
|
$str = get_strings(
|
|
[
|
|
'delete', 'move', 'moveright', 'moveleft', 'editsettings',
|
|
'duplicate', 'availability',
|
|
],
|
|
'moodle'
|
|
);
|
|
$str->assign = get_string('assignroles', 'role');
|
|
$str->groupmode = get_string('groupmode', 'group');
|
|
}
|
|
|
|
$baseurl = new moodle_url('/course/mod.php', array('sesskey' => sesskey()));
|
|
|
|
if ($sr !== null) {
|
|
$baseurl->param('sr', $sr);
|
|
}
|
|
$actions = array();
|
|
|
|
// Update.
|
|
if ($hasmanageactivities) {
|
|
$actions['update'] = new action_menu_link_secondary(
|
|
new moodle_url($baseurl, array('update' => $mod->id)),
|
|
new pix_icon('t/edit', '', 'moodle', array('class' => 'iconsmall')),
|
|
$str->editsettings,
|
|
array('class' => 'editing_update', 'data-action' => 'update')
|
|
);
|
|
}
|
|
|
|
// Move (only for component compatible formats).
|
|
if ($hasmanageactivities && $usecomponents) {
|
|
$actions['move'] = new action_menu_link_secondary(
|
|
new moodle_url($baseurl, [
|
|
'sesskey' => sesskey(),
|
|
'copy' => $mod->id,
|
|
]),
|
|
new pix_icon('i/dragdrop', '', 'moodle', ['class' => 'iconsmall']),
|
|
$str->move,
|
|
[
|
|
'class' => 'editing_movecm',
|
|
'data-action' => 'moveCm',
|
|
'data-id' => $mod->id,
|
|
]
|
|
);
|
|
}
|
|
|
|
// Indent.
|
|
if ($hasmanageactivities && $indent >= 0) {
|
|
$indentlimits = new stdClass();
|
|
$indentlimits->min = 0;
|
|
// Legacy indentation could continue using a limit of 16,
|
|
// but components based formats will be forced to use one level indentation only.
|
|
$indentlimits->max = ($usecomponents) ? 1 : 16;
|
|
if (right_to_left()) { // Exchange arrows on RTL
|
|
$rightarrow = 't/left';
|
|
$leftarrow = 't/right';
|
|
} else {
|
|
$rightarrow = 't/right';
|
|
$leftarrow = 't/left';
|
|
}
|
|
|
|
if ($indent >= $indentlimits->max) {
|
|
$enabledclass = 'hidden';
|
|
} else {
|
|
$enabledclass = '';
|
|
}
|
|
$actions['moveright'] = new action_menu_link_secondary(
|
|
new moodle_url($baseurl, ['id' => $mod->id, 'indent' => '1']),
|
|
new pix_icon($rightarrow, '', 'moodle', ['class' => 'iconsmall']),
|
|
$str->moveright,
|
|
[
|
|
'class' => 'editing_moveright ' . $enabledclass,
|
|
'data-action' => ($usecomponents) ? 'cmMoveRight' : 'moveright',
|
|
'data-keepopen' => true,
|
|
'data-sectionreturn' => $sr,
|
|
'data-id' => $mod->id,
|
|
]
|
|
);
|
|
|
|
if ($indent <= $indentlimits->min) {
|
|
$enabledclass = 'hidden';
|
|
} else {
|
|
$enabledclass = '';
|
|
}
|
|
$actions['moveleft'] = new action_menu_link_secondary(
|
|
new moodle_url($baseurl, ['id' => $mod->id, 'indent' => '-1']),
|
|
new pix_icon($leftarrow, '', 'moodle', ['class' => 'iconsmall']),
|
|
$str->moveleft,
|
|
[
|
|
'class' => 'editing_moveleft ' . $enabledclass,
|
|
'data-action' => ($usecomponents) ? 'cmMoveLeft' : 'moveleft',
|
|
'data-keepopen' => true,
|
|
'data-sectionreturn' => $sr,
|
|
'data-id' => $mod->id,
|
|
]
|
|
);
|
|
|
|
}
|
|
|
|
// Hide/Show/Available/Unavailable.
|
|
if (has_capability('moodle/course:activityvisibility', $modcontext)) {
|
|
$availabilityclass = $courseformat->get_output_classname('content\\cm\\visibility');
|
|
/** @var core_courseformat\output\local\content\cm\visibility */
|
|
$availability = new $availabilityclass($courseformat, $sectioninfo, $mod);
|
|
$availabilityitem = $availability->get_menu_item();
|
|
if ($availabilityitem) {
|
|
$actions['availability'] = $availabilityitem;
|
|
}
|
|
}
|
|
|
|
// Duplicate (require both target import caps to be able to duplicate and backup2 support, see modduplicate.php)
|
|
if (has_all_capabilities($dupecaps, $coursecontext) &&
|
|
plugin_supports('mod', $mod->modname, FEATURE_BACKUP_MOODLE2) &&
|
|
course_allowed_module($mod->get_course(), $mod->modname)) {
|
|
$actions['duplicate'] = new action_menu_link_secondary(
|
|
new moodle_url($baseurl, ['duplicate' => $mod->id]),
|
|
new pix_icon('t/copy', '', 'moodle', array('class' => 'iconsmall')),
|
|
$str->duplicate,
|
|
[
|
|
'class' => 'editing_duplicate',
|
|
'data-action' => ($courseformat->supports_components()) ? 'cmDuplicate' : 'duplicate',
|
|
'data-sectionreturn' => $sr,
|
|
'data-id' => $mod->id,
|
|
]
|
|
);
|
|
}
|
|
|
|
// Assign.
|
|
if (has_capability('moodle/role:assign', $modcontext)){
|
|
$actions['assign'] = new action_menu_link_secondary(
|
|
new moodle_url('/admin/roles/assign.php', array('contextid' => $modcontext->id)),
|
|
new pix_icon('t/assignroles', '', 'moodle', array('class' => 'iconsmall')),
|
|
$str->assign,
|
|
array('class' => 'editing_assign', 'data-action' => 'assignroles', 'data-sectionreturn' => $sr)
|
|
);
|
|
}
|
|
|
|
// Groupmode.
|
|
if ($courseformat->show_groupmode($mod) && $usecomponents && !$mod->coursegroupmodeforce) {
|
|
$groupmodeclass = $courseformat->get_output_classname('content\\cm\\groupmode');
|
|
/** @var core_courseformat\output\local\content\cm\groupmode */
|
|
$groupmode = new $groupmodeclass($courseformat, $sectioninfo, $mod);
|
|
$actions['groupmode'] = new action_menu_subpanel(
|
|
$str->groupmode,
|
|
$groupmode->get_choice_list(),
|
|
['class' => 'editing_groupmode'],
|
|
new pix_icon('t/groupv', '', 'moodle', ['class' => 'iconsmall'])
|
|
);
|
|
}
|
|
|
|
// Delete.
|
|
if ($hasmanageactivities) {
|
|
$actions['delete'] = new action_menu_link_secondary(
|
|
new moodle_url($baseurl, ['delete' => $mod->id]),
|
|
new pix_icon('t/delete', '', 'moodle', ['class' => 'iconsmall']),
|
|
$str->delete,
|
|
[
|
|
'class' => 'editing_delete text-danger',
|
|
'data-action' => ($usecomponents) ? 'cmDelete' : 'delete',
|
|
'data-sectionreturn' => $sr,
|
|
'data-id' => $mod->id,
|
|
]
|
|
);
|
|
}
|
|
|
|
return $actions;
|
|
}
|
|
|
|
/**
|
|
* Returns the move action.
|
|
*
|
|
* @param cm_info $mod The module to produce a move button for
|
|
* @param int $sr The section to link back to (used for creating the links)
|
|
* @return string The markup for the move action, or an empty string if not available.
|
|
*/
|
|
function course_get_cm_move(cm_info $mod, $sr = null) {
|
|
global $OUTPUT;
|
|
|
|
static $str;
|
|
static $baseurl;
|
|
|
|
$modcontext = context_module::instance($mod->id);
|
|
$hasmanageactivities = has_capability('moodle/course:manageactivities', $modcontext);
|
|
|
|
if (!isset($str)) {
|
|
$str = get_strings(array('move'));
|
|
}
|
|
|
|
if (!isset($baseurl)) {
|
|
$baseurl = new moodle_url('/course/mod.php', array('sesskey' => sesskey()));
|
|
|
|
if ($sr !== null) {
|
|
$baseurl->param('sr', $sr);
|
|
}
|
|
}
|
|
|
|
if ($hasmanageactivities) {
|
|
$pixicon = 'i/dragdrop';
|
|
|
|
if (!course_ajax_enabled($mod->get_course())) {
|
|
// Override for course frontpage until we get drag/drop working there.
|
|
$pixicon = 't/move';
|
|
}
|
|
|
|
$attributes = [
|
|
'class' => 'editing_move',
|
|
'data-action' => 'move',
|
|
'data-sectionreturn' => $sr,
|
|
'title' => $str->move,
|
|
'aria-label' => $str->move,
|
|
];
|
|
return html_writer::link(
|
|
new moodle_url($baseurl, ['copy' => $mod->id]),
|
|
$OUTPUT->pix_icon($pixicon, '', 'moodle', ['class' => 'iconsmall']),
|
|
$attributes
|
|
);
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* given a course object with shortname & fullname, this function will
|
|
* truncate the the number of chars allowed and add ... if it was too long
|
|
*/
|
|
function course_format_name ($course,$max=100) {
|
|
|
|
$context = context_course::instance($course->id);
|
|
$shortname = format_string($course->shortname, true, array('context' => $context));
|
|
$fullname = format_string($course->fullname, true, array('context' => context_course::instance($course->id)));
|
|
$str = $shortname.': '. $fullname;
|
|
if (core_text::strlen($str) <= $max) {
|
|
return $str;
|
|
}
|
|
else {
|
|
return core_text::substr($str,0,$max-3).'...';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Is the user allowed to add this type of module to this course?
|
|
* @param object $course the course settings. Only $course->id is used.
|
|
* @param string $modname the module name. E.g. 'forum' or 'quiz'.
|
|
* @param \stdClass $user the user to check, defaults to the global user if not provided.
|
|
* @return bool whether the current user is allowed to add this type of module to this course.
|
|
*/
|
|
function course_allowed_module($course, $modname, \stdClass $user = null) {
|
|
global $USER;
|
|
$user = $user ?? $USER;
|
|
if (is_numeric($modname)) {
|
|
throw new coding_exception('Function course_allowed_module no longer
|
|
supports numeric module ids. Please update your code to pass the module name.');
|
|
}
|
|
|
|
$capability = 'mod/' . $modname . ':addinstance';
|
|
if (!get_capability_info($capability)) {
|
|
// Debug warning that the capability does not exist, but no more than once per page.
|
|
static $warned = array();
|
|
$archetype = plugin_supports('mod', $modname, FEATURE_MOD_ARCHETYPE, MOD_ARCHETYPE_OTHER);
|
|
if (!isset($warned[$modname]) && $archetype !== MOD_ARCHETYPE_SYSTEM) {
|
|
debugging('The module ' . $modname . ' does not define the standard capability ' .
|
|
$capability , DEBUG_DEVELOPER);
|
|
$warned[$modname] = 1;
|
|
}
|
|
|
|
// If the capability does not exist, the module can always be added.
|
|
return true;
|
|
}
|
|
|
|
$coursecontext = context_course::instance($course->id);
|
|
return has_capability($capability, $coursecontext, $user);
|
|
}
|
|
|
|
/**
|
|
* Efficiently moves many courses around while maintaining
|
|
* sortorder in order.
|
|
*
|
|
* @param array $courseids is an array of course ids
|
|
* @param int $categoryid
|
|
* @return bool success
|
|
*/
|
|
function move_courses($courseids, $categoryid) {
|
|
global $DB;
|
|
|
|
if (empty($courseids)) {
|
|
// Nothing to do.
|
|
return false;
|
|
}
|
|
|
|
if (!$category = $DB->get_record('course_categories', array('id' => $categoryid))) {
|
|
return false;
|
|
}
|
|
|
|
$courseids = array_reverse($courseids);
|
|
$newparent = context_coursecat::instance($category->id);
|
|
$i = 1;
|
|
|
|
list($where, $params) = $DB->get_in_or_equal($courseids);
|
|
$dbcourses = $DB->get_records_select('course', 'id ' . $where, $params, '', 'id, category, shortname, fullname');
|
|
foreach ($dbcourses as $dbcourse) {
|
|
$course = new stdClass();
|
|
$course->id = $dbcourse->id;
|
|
$course->timemodified = time();
|
|
$course->category = $category->id;
|
|
$course->sortorder = $category->sortorder + get_max_courses_in_category() - $i++;
|
|
if ($category->visible == 0) {
|
|
// Hide the course when moving into hidden category, do not update the visibleold flag - we want to get
|
|
// to previous state if somebody unhides the category.
|
|
$course->visible = 0;
|
|
}
|
|
|
|
$DB->update_record('course', $course);
|
|
|
|
// Update context, so it can be passed to event.
|
|
$context = context_course::instance($course->id);
|
|
$context->update_moved($newparent);
|
|
|
|
// Trigger a course updated event.
|
|
$event = \core\event\course_updated::create(array(
|
|
'objectid' => $course->id,
|
|
'context' => context_course::instance($course->id),
|
|
'other' => array('shortname' => $dbcourse->shortname,
|
|
'fullname' => $dbcourse->fullname,
|
|
'updatedfields' => array('category' => $category->id))
|
|
));
|
|
$event->trigger();
|
|
}
|
|
fix_course_sortorder();
|
|
cache_helper::purge_by_event('changesincourse');
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns the display name of the given section that the course prefers
|
|
*
|
|
* Implementation of this function is provided by course format
|
|
* @see core_courseformat\base::get_section_name()
|
|
*
|
|
* @param int|stdClass $courseorid The course to get the section name for (object or just course id)
|
|
* @param int|stdClass $section Section object from database or just field course_sections.section
|
|
* @return string Display name that the course format prefers, e.g. "Week 2"
|
|
*/
|
|
function get_section_name($courseorid, $section) {
|
|
return course_get_format($courseorid)->get_section_name($section);
|
|
}
|
|
|
|
/**
|
|
* Tells if current course format uses sections
|
|
*
|
|
* @param string $format Course format ID e.g. 'weeks' $course->format
|
|
* @return bool
|
|
*/
|
|
function course_format_uses_sections($format) {
|
|
$course = new stdClass();
|
|
$course->format = $format;
|
|
return course_get_format($course)->uses_sections();
|
|
}
|
|
|
|
/**
|
|
* Returns the information about the ajax support in the given source format
|
|
*
|
|
* The returned object's property (boolean)capable indicates that
|
|
* the course format supports Moodle course ajax features.
|
|
*
|
|
* @param string $format
|
|
* @return stdClass
|
|
*/
|
|
function course_format_ajax_support($format) {
|
|
$course = new stdClass();
|
|
$course->format = $format;
|
|
return course_get_format($course)->supports_ajax();
|
|
}
|
|
|
|
/**
|
|
* Can the current user delete this course?
|
|
* Course creators have exception,
|
|
* 1 day after the creation they can sill delete the course.
|
|
* @param int $courseid
|
|
* @return boolean
|
|
*/
|
|
function can_delete_course($courseid) {
|
|
global $USER;
|
|
|
|
$context = context_course::instance($courseid);
|
|
|
|
if (has_capability('moodle/course:delete', $context)) {
|
|
return true;
|
|
}
|
|
|
|
// hack: now try to find out if creator created this course recently (1 day)
|
|
if (!has_capability('moodle/course:create', $context)) {
|
|
return false;
|
|
}
|
|
|
|
$since = time() - 60*60*24;
|
|
$course = get_course($courseid);
|
|
|
|
if ($course->timecreated < $since) {
|
|
return false; // Return if the course was not created in last 24 hours.
|
|
}
|
|
|
|
$logmanger = get_log_manager();
|
|
$readers = $logmanger->get_readers('\core\log\sql_reader');
|
|
$reader = reset($readers);
|
|
|
|
if (empty($reader)) {
|
|
return false; // No log reader found.
|
|
}
|
|
|
|
// A proper reader.
|
|
$select = "userid = :userid AND courseid = :courseid AND eventname = :eventname AND timecreated > :since";
|
|
$params = array('userid' => $USER->id, 'since' => $since, 'courseid' => $course->id, 'eventname' => '\core\event\course_created');
|
|
|
|
return (bool)$reader->get_events_select_count($select, $params);
|
|
}
|
|
|
|
/**
|
|
* Save the Your name for 'Some role' strings.
|
|
*
|
|
* @param integer $courseid the id of this course.
|
|
* @param array|stdClass $data the data that came from the course settings form.
|
|
*/
|
|
function save_local_role_names($courseid, $data) {
|
|
global $DB;
|
|
$context = context_course::instance($courseid);
|
|
|
|
foreach ($data as $fieldname => $value) {
|
|
if (strpos($fieldname, 'role_') !== 0) {
|
|
continue;
|
|
}
|
|
list($ignored, $roleid) = explode('_', $fieldname);
|
|
|
|
// make up our mind whether we want to delete, update or insert
|
|
if (!$value) {
|
|
$DB->delete_records('role_names', array('contextid' => $context->id, 'roleid' => $roleid));
|
|
|
|
} else if ($rolename = $DB->get_record('role_names', array('contextid' => $context->id, 'roleid' => $roleid))) {
|
|
$rolename->name = $value;
|
|
$DB->update_record('role_names', $rolename);
|
|
|
|
} else {
|
|
$rolename = new stdClass;
|
|
$rolename->contextid = $context->id;
|
|
$rolename->roleid = $roleid;
|
|
$rolename->name = $value;
|
|
$DB->insert_record('role_names', $rolename);
|
|
}
|
|
// This will ensure the course contacts cache is purged..
|
|
core_course_category::role_assignment_changed($roleid, $context);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns options to use in course overviewfiles filemanager
|
|
*
|
|
* @param null|stdClass|core_course_list_element|int $course either object that has 'id' property or just the course id;
|
|
* may be empty if course does not exist yet (course create form)
|
|
* @return array|null array of options such as maxfiles, maxbytes, accepted_types, etc.
|
|
* or null if overviewfiles are disabled
|
|
*/
|
|
function course_overviewfiles_options($course) {
|
|
global $CFG;
|
|
if (empty($CFG->courseoverviewfileslimit)) {
|
|
return null;
|
|
}
|
|
|
|
// Create accepted file types based on config value, falling back to default all.
|
|
$acceptedtypes = (new \core_form\filetypes_util)->normalize_file_types($CFG->courseoverviewfilesext);
|
|
if (in_array('*', $acceptedtypes) || empty($acceptedtypes)) {
|
|
$acceptedtypes = '*';
|
|
}
|
|
|
|
$options = array(
|
|
'maxfiles' => $CFG->courseoverviewfileslimit,
|
|
'maxbytes' => $CFG->maxbytes,
|
|
'subdirs' => 0,
|
|
'accepted_types' => $acceptedtypes
|
|
);
|
|
if (!empty($course->id)) {
|
|
$options['context'] = context_course::instance($course->id);
|
|
} else if (is_int($course) && $course > 0) {
|
|
$options['context'] = context_course::instance($course);
|
|
}
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Create a course and either return a $course object
|
|
*
|
|
* Please note this functions does not verify any access control,
|
|
* the calling code is responsible for all validation (usually it is the form definition).
|
|
*
|
|
* @param array $editoroptions course description editor options
|
|
* @param object $data - all the data needed for an entry in the 'course' table
|
|
* @return object new course instance
|
|
*/
|
|
function create_course($data, $editoroptions = NULL) {
|
|
global $DB, $CFG;
|
|
|
|
//check the categoryid - must be given for all new courses
|
|
$category = $DB->get_record('course_categories', array('id'=>$data->category), '*', MUST_EXIST);
|
|
|
|
// Check if the shortname already exists.
|
|
if (!empty($data->shortname)) {
|
|
if ($DB->record_exists('course', array('shortname' => $data->shortname))) {
|
|
throw new moodle_exception('shortnametaken', '', '', $data->shortname);
|
|
}
|
|
}
|
|
|
|
// Check if the idnumber already exists.
|
|
if (!empty($data->idnumber)) {
|
|
if ($DB->record_exists('course', array('idnumber' => $data->idnumber))) {
|
|
throw new moodle_exception('courseidnumbertaken', '', '', $data->idnumber);
|
|
}
|
|
}
|
|
|
|
if (empty($CFG->enablecourserelativedates)) {
|
|
// Make sure we're not setting the relative dates mode when the setting is disabled.
|
|
unset($data->relativedatesmode);
|
|
}
|
|
|
|
if ($errorcode = course_validate_dates((array)$data)) {
|
|
throw new moodle_exception($errorcode);
|
|
}
|
|
|
|
// Check if timecreated is given.
|
|
$data->timecreated = !empty($data->timecreated) ? $data->timecreated : time();
|
|
$data->timemodified = $data->timecreated;
|
|
|
|
// place at beginning of any category
|
|
$data->sortorder = 0;
|
|
|
|
if ($editoroptions) {
|
|
// summary text is updated later, we need context to store the files first
|
|
$data->summary = '';
|
|
$data->summary_format = $data->summary_editor['format'];
|
|
}
|
|
|
|
// Get default completion settings as a fallback in case the enablecompletion field is not set.
|
|
$courseconfig = get_config('moodlecourse');
|
|
$defaultcompletion = !empty($CFG->enablecompletion) ? $courseconfig->enablecompletion : COMPLETION_DISABLED;
|
|
$enablecompletion = $data->enablecompletion ?? $defaultcompletion;
|
|
// Unset showcompletionconditions when completion tracking is not enabled for the course.
|
|
if ($enablecompletion == COMPLETION_DISABLED) {
|
|
unset($data->showcompletionconditions);
|
|
} else if (!isset($data->showcompletionconditions)) {
|
|
// Show completion conditions should have a default value when completion is enabled. Set it to the site defaults.
|
|
// This scenario can happen when a course is created through data generators or through a web service.
|
|
$data->showcompletionconditions = $courseconfig->showcompletionconditions;
|
|
}
|
|
|
|
if (!isset($data->visible)) {
|
|
// data not from form, add missing visibility info
|
|
$data->visible = $category->visible;
|
|
}
|
|
$data->visibleold = $data->visible;
|
|
|
|
$newcourseid = $DB->insert_record('course', $data);
|
|
$context = context_course::instance($newcourseid, MUST_EXIST);
|
|
|
|
if ($editoroptions) {
|
|
// Save the files used in the summary editor and store
|
|
$data = file_postupdate_standard_editor($data, 'summary', $editoroptions, $context, 'course', 'summary', 0);
|
|
$DB->set_field('course', 'summary', $data->summary, array('id'=>$newcourseid));
|
|
$DB->set_field('course', 'summaryformat', $data->summary_format, array('id'=>$newcourseid));
|
|
}
|
|
if ($overviewfilesoptions = course_overviewfiles_options($newcourseid)) {
|
|
// Save the course overviewfiles
|
|
$data = file_postupdate_standard_filemanager($data, 'overviewfiles', $overviewfilesoptions, $context, 'course', 'overviewfiles', 0);
|
|
}
|
|
|
|
// update course format options
|
|
course_get_format($newcourseid)->update_course_format_options($data);
|
|
|
|
$course = course_get_format($newcourseid)->get_course();
|
|
|
|
fix_course_sortorder();
|
|
// purge appropriate caches in case fix_course_sortorder() did not change anything
|
|
cache_helper::purge_by_event('changesincourse');
|
|
|
|
// Trigger a course created event.
|
|
$event = \core\event\course_created::create(array(
|
|
'objectid' => $course->id,
|
|
'context' => $context,
|
|
'other' => array('shortname' => $course->shortname,
|
|
'fullname' => $course->fullname)
|
|
));
|
|
|
|
$event->trigger();
|
|
|
|
$data->id = $newcourseid;
|
|
|
|
// Dispatch the hook for post course create actions.
|
|
di::get(hook\manager::class)->dispatch(
|
|
new \core_course\hook\after_course_created(
|
|
course: $data,
|
|
),
|
|
);
|
|
|
|
// Setup the blocks
|
|
blocks_add_default_course_blocks($course);
|
|
|
|
// Create default section and initial sections if specified (unless they've already been created earlier).
|
|
// We do not want to call course_create_sections_if_missing() because to avoid creating course cache.
|
|
$numsections = isset($data->numsections) ? $data->numsections : 0;
|
|
$existingsections = $DB->get_fieldset_sql('SELECT section from {course_sections} WHERE course = ?', [$newcourseid]);
|
|
$newsections = array_diff(range(0, $numsections), $existingsections);
|
|
foreach ($newsections as $sectionnum) {
|
|
course_create_section($newcourseid, $sectionnum, true);
|
|
}
|
|
|
|
// Save any custom role names.
|
|
save_local_role_names($course->id, (array)$data);
|
|
|
|
// set up enrolments
|
|
enrol_course_updated(true, $course, $data);
|
|
|
|
// Update course tags.
|
|
if (isset($data->tags)) {
|
|
core_tag_tag::set_item_tags('core', 'course', $course->id, $context, $data->tags);
|
|
}
|
|
// Save custom fields if there are any of them in the form.
|
|
$handler = core_course\customfield\course_handler::create();
|
|
// Make sure to set the handler's parent context first.
|
|
$coursecatcontext = context_coursecat::instance($category->id);
|
|
$handler->set_parent_context($coursecatcontext);
|
|
// Save the custom field data.
|
|
$data->id = $course->id;
|
|
$handler->instance_form_save($data, true);
|
|
|
|
di::get(hook\manager::class)->dispatch(
|
|
new \core_course\hook\after_form_submission($data, true),
|
|
);
|
|
|
|
return $course;
|
|
}
|
|
|
|
/**
|
|
* Update a course.
|
|
*
|
|
* Please note this functions does not verify any access control,
|
|
* the calling code is responsible for all validation (usually it is the form definition).
|
|
*
|
|
* @param object $data - all the data needed for an entry in the 'course' table
|
|
* @param array $editoroptions course description editor options
|
|
* @return void
|
|
*/
|
|
function update_course($data, $editoroptions = NULL) {
|
|
global $DB, $CFG;
|
|
|
|
// Prevent changes on front page course.
|
|
if ($data->id == SITEID) {
|
|
throw new moodle_exception('invalidcourse', 'error');
|
|
}
|
|
|
|
$oldcourse = course_get_format($data->id)->get_course();
|
|
$context = context_course::instance($oldcourse->id);
|
|
|
|
// Make sure we're not changing whatever the course's relativedatesmode setting is.
|
|
unset($data->relativedatesmode);
|
|
|
|
// Capture the updated fields for the log data.
|
|
$updatedfields = [];
|
|
foreach (get_object_vars($oldcourse) as $field => $value) {
|
|
if ($field == 'summary_editor') {
|
|
if (($data->$field)['text'] !== $value['text']) {
|
|
// The summary might be very long, we don't wan't to fill up the log record with the full text.
|
|
$updatedfields[$field] = '(updated)';
|
|
}
|
|
} else if ($field == 'tags' && isset($data->tags)) {
|
|
// Tags might not have the same array keys, just check the values.
|
|
if (array_values($data->$field) !== array_values($value)) {
|
|
$updatedfields[$field] = $data->$field;
|
|
}
|
|
} else {
|
|
if (isset($data->$field) && $data->$field != $value) {
|
|
$updatedfields[$field] = $data->$field;
|
|
}
|
|
}
|
|
}
|
|
|
|
$data->timemodified = time();
|
|
|
|
if ($editoroptions) {
|
|
$data = file_postupdate_standard_editor($data, 'summary', $editoroptions, $context, 'course', 'summary', 0);
|
|
}
|
|
if ($overviewfilesoptions = course_overviewfiles_options($data->id)) {
|
|
$data = file_postupdate_standard_filemanager($data, 'overviewfiles', $overviewfilesoptions, $context, 'course', 'overviewfiles', 0);
|
|
}
|
|
|
|
// Check we don't have a duplicate shortname.
|
|
if (!empty($data->shortname) && $oldcourse->shortname != $data->shortname) {
|
|
if ($DB->record_exists_sql('SELECT id from {course} WHERE shortname = ? AND id <> ?', array($data->shortname, $data->id))) {
|
|
throw new moodle_exception('shortnametaken', '', '', $data->shortname);
|
|
}
|
|
}
|
|
|
|
// Check we don't have a duplicate idnumber.
|
|
if (!empty($data->idnumber) && $oldcourse->idnumber != $data->idnumber) {
|
|
if ($DB->record_exists_sql('SELECT id from {course} WHERE idnumber = ? AND id <> ?', array($data->idnumber, $data->id))) {
|
|
throw new moodle_exception('courseidnumbertaken', '', '', $data->idnumber);
|
|
}
|
|
}
|
|
|
|
if ($errorcode = course_validate_dates((array)$data)) {
|
|
throw new moodle_exception($errorcode);
|
|
}
|
|
|
|
if (!isset($data->category) or empty($data->category)) {
|
|
// prevent nulls and 0 in category field
|
|
unset($data->category);
|
|
}
|
|
$changesincoursecat = $movecat = (isset($data->category) and $oldcourse->category != $data->category);
|
|
|
|
if (!isset($data->visible)) {
|
|
// data not from form, add missing visibility info
|
|
$data->visible = $oldcourse->visible;
|
|
}
|
|
|
|
if ($data->visible != $oldcourse->visible) {
|
|
// reset the visibleold flag when manually hiding/unhiding course
|
|
$data->visibleold = $data->visible;
|
|
$changesincoursecat = true;
|
|
} else {
|
|
if ($movecat) {
|
|
$newcategory = $DB->get_record('course_categories', array('id'=>$data->category));
|
|
if (empty($newcategory->visible)) {
|
|
// make sure when moving into hidden category the course is hidden automatically
|
|
$data->visible = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set newsitems to 0 if format does not support announcements.
|
|
if (isset($data->format)) {
|
|
$newcourseformat = course_get_format((object)['format' => $data->format]);
|
|
if (!$newcourseformat->supports_news()) {
|
|
$data->newsitems = 0;
|
|
}
|
|
}
|
|
|
|
// Set showcompletionconditions to null when completion tracking has been disabled for the course.
|
|
if (isset($data->enablecompletion) && $data->enablecompletion == COMPLETION_DISABLED) {
|
|
$data->showcompletionconditions = null;
|
|
}
|
|
// Update custom fields if there are any of them in the form.
|
|
$handler = core_course\customfield\course_handler::create();
|
|
$handler->instance_form_save($data);
|
|
|
|
di::get(hook\manager::class)->dispatch(
|
|
new \core_course\hook\after_form_submission($data),
|
|
);
|
|
|
|
// Update with the new data
|
|
$DB->update_record('course', $data);
|
|
// make sure the modinfo cache is reset
|
|
rebuild_course_cache($data->id);
|
|
|
|
// Purge course image cache in case if course image has been updated.
|
|
\cache::make('core', 'course_image')->delete($data->id);
|
|
|
|
// update course format options with full course data
|
|
course_get_format($data->id)->update_course_format_options($data, $oldcourse);
|
|
|
|
$course = $DB->get_record('course', array('id'=>$data->id));
|
|
|
|
if ($movecat) {
|
|
$newparent = context_coursecat::instance($course->category);
|
|
$context->update_moved($newparent);
|
|
}
|
|
$fixcoursesortorder = $movecat || (isset($data->sortorder) && ($oldcourse->sortorder != $data->sortorder));
|
|
if ($fixcoursesortorder) {
|
|
fix_course_sortorder();
|
|
}
|
|
|
|
// purge appropriate caches in case fix_course_sortorder() did not change anything
|
|
cache_helper::purge_by_event('changesincourse');
|
|
if ($changesincoursecat) {
|
|
cache_helper::purge_by_event('changesincoursecat');
|
|
}
|
|
|
|
// Test for and remove blocks which aren't appropriate anymore
|
|
blocks_remove_inappropriate($course);
|
|
|
|
// Save any custom role names.
|
|
save_local_role_names($course->id, $data);
|
|
|
|
// update enrol settings
|
|
enrol_course_updated(false, $course, $data);
|
|
|
|
// Update course tags.
|
|
if (isset($data->tags)) {
|
|
core_tag_tag::set_item_tags('core', 'course', $course->id, context_course::instance($course->id), $data->tags);
|
|
}
|
|
|
|
// Trigger a course updated event.
|
|
$event = \core\event\course_updated::create(array(
|
|
'objectid' => $course->id,
|
|
'context' => context_course::instance($course->id),
|
|
'other' => array('shortname' => $course->shortname,
|
|
'fullname' => $course->fullname,
|
|
'updatedfields' => $updatedfields)
|
|
));
|
|
|
|
$event->trigger();
|
|
|
|
// Dispatch the hook for post course update actions.
|
|
$hook = new \core_course\hook\after_course_updated(
|
|
course: $data,
|
|
oldcourse: $oldcourse,
|
|
changeincoursecat: $changesincoursecat,
|
|
);
|
|
\core\di::get(\core\hook\manager::class)->dispatch($hook);
|
|
|
|
if ($oldcourse->format !== $course->format) {
|
|
// Remove all options stored for the previous format
|
|
// We assume that new course format migrated everything it needed watching trigger
|
|
// 'course_updated' and in method format_XXX::update_course_format_options()
|
|
$DB->delete_records('course_format_options',
|
|
array('courseid' => $course->id, 'format' => $oldcourse->format));
|
|
}
|
|
|
|
// Delete theme usage cache if the theme has been changed.
|
|
if (isset($data->theme) && ($data->theme != $oldcourse->theme)) {
|
|
theme_delete_used_in_context_cache($data->theme, $oldcourse->theme);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Calculate the average number of enrolled participants per course.
|
|
*
|
|
* This is intended for statistics purposes during the site registration. Only visible courses are taken into account.
|
|
* Front page enrolments are excluded.
|
|
*
|
|
* @param bool $onlyactive Consider only active enrolments in enabled plugins and obey the enrolment time restrictions.
|
|
* @param int $lastloginsince If specified, count only users who logged in after this timestamp.
|
|
* @return float
|
|
*/
|
|
function average_number_of_participants(bool $onlyactive = false, int $lastloginsince = null): float {
|
|
global $DB;
|
|
|
|
$params = [];
|
|
|
|
$sql = "SELECT DISTINCT ue.userid, e.courseid
|
|
FROM {user_enrolments} ue
|
|
JOIN {enrol} e ON e.id = ue.enrolid
|
|
JOIN {course} c ON c.id = e.courseid ";
|
|
|
|
if ($onlyactive || $lastloginsince) {
|
|
$sql .= "JOIN {user} u ON u.id = ue.userid ";
|
|
}
|
|
|
|
$sql .= "WHERE e.courseid <> " . SITEID . " AND c.visible = 1 ";
|
|
|
|
if ($onlyactive) {
|
|
$sql .= "AND ue.status = :active
|
|
AND e.status = :enabled
|
|
AND ue.timestart < :now1
|
|
AND (ue.timeend = 0 OR ue.timeend > :now2) ";
|
|
|
|
// Same as in the enrollib - the rounding should help caching in the database.
|
|
$now = round(time(), -2);
|
|
|
|
$params += [
|
|
'active' => ENROL_USER_ACTIVE,
|
|
'enabled' => ENROL_INSTANCE_ENABLED,
|
|
'now1' => $now,
|
|
'now2' => $now,
|
|
];
|
|
}
|
|
|
|
if ($lastloginsince) {
|
|
$sql .= "AND u.lastlogin > :lastlogin ";
|
|
$params['lastlogin'] = $lastloginsince;
|
|
}
|
|
|
|
$sql = "SELECT COUNT(*)
|
|
FROM ($sql) total";
|
|
|
|
$enrolmenttotal = $DB->count_records_sql($sql, $params);
|
|
|
|
// Get the number of visible courses (exclude the front page).
|
|
$coursetotal = $DB->count_records('course', ['visible' => 1]);
|
|
$coursetotal = $coursetotal - 1;
|
|
|
|
if (empty($coursetotal)) {
|
|
$participantaverage = 0;
|
|
|
|
} else {
|
|
$participantaverage = $enrolmenttotal / $coursetotal;
|
|
}
|
|
|
|
return $participantaverage;
|
|
}
|
|
|
|
/**
|
|
* Average number of course modules
|
|
* @return integer
|
|
*/
|
|
function average_number_of_courses_modules() {
|
|
global $DB, $SITE;
|
|
|
|
//count total of visible course module (except front page)
|
|
$sql = 'SELECT COUNT(*) FROM (
|
|
SELECT cm.course, cm.module
|
|
FROM {course} c, {course_modules} cm
|
|
WHERE c.id = cm.course
|
|
AND c.id <> :siteid
|
|
AND cm.visible = 1
|
|
AND c.visible = 1) total';
|
|
$params = array('siteid' => $SITE->id);
|
|
$moduletotal = $DB->count_records_sql($sql, $params);
|
|
|
|
|
|
//count total of visible courses (minus front page)
|
|
$coursetotal = $DB->count_records('course', array('visible' => 1));
|
|
$coursetotal = $coursetotal - 1 ;
|
|
|
|
//average of course module
|
|
if (empty($coursetotal)) {
|
|
$coursemoduleaverage = 0;
|
|
} else {
|
|
$coursemoduleaverage = $moduletotal / $coursetotal;
|
|
}
|
|
|
|
return $coursemoduleaverage;
|
|
}
|
|
|
|
/**
|
|
* This class pertains to course requests and contains methods associated with
|
|
* create, approving, and removing course requests.
|
|
*
|
|
* Please note we do not allow embedded images here because there is no context
|
|
* to store them with proper access control.
|
|
*
|
|
* @copyright 2009 Sam Hemelryk
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
* @since Moodle 2.0
|
|
*
|
|
* @property-read int $id
|
|
* @property-read string $fullname
|
|
* @property-read string $shortname
|
|
* @property-read string $summary
|
|
* @property-read int $summaryformat
|
|
* @property-read int $summarytrust
|
|
* @property-read string $reason
|
|
* @property-read int $requester
|
|
*/
|
|
class course_request {
|
|
|
|
/**
|
|
* This is the stdClass that stores the properties for the course request
|
|
* and is externally accessed through the __get magic method
|
|
* @var stdClass
|
|
*/
|
|
protected $properties;
|
|
|
|
/**
|
|
* An array of options for the summary editor used by course request forms.
|
|
* This is initially set by {@link summary_editor_options()}
|
|
* @var array
|
|
* @static
|
|
*/
|
|
protected static $summaryeditoroptions;
|
|
|
|
/**
|
|
* Static function to prepare the summary editor for working with a course
|
|
* request.
|
|
*
|
|
* @static
|
|
* @param null|stdClass $data Optional, an object containing the default values
|
|
* for the form, these may be modified when preparing the
|
|
* editor so this should be called before creating the form
|
|
* @return stdClass An object that can be used to set the default values for
|
|
* an mforms form
|
|
*/
|
|
public static function prepare($data=null) {
|
|
if ($data === null) {
|
|
$data = new stdClass;
|
|
}
|
|
$data = file_prepare_standard_editor($data, 'summary', self::summary_editor_options());
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Static function to create a new course request when passed an array of properties
|
|
* for it.
|
|
*
|
|
* This function also handles saving any files that may have been used in the editor
|
|
*
|
|
* @static
|
|
* @param stdClass $data
|
|
* @return course_request The newly created course request
|
|
*/
|
|
public static function create($data) {
|
|
global $USER, $DB, $CFG;
|
|
$data->requester = $USER->id;
|
|
|
|
// Setting the default category if none set.
|
|
if (empty($data->category) || !empty($CFG->lockrequestcategory)) {
|
|
$data->category = $CFG->defaultrequestcategory;
|
|
}
|
|
|
|
// Summary is a required field so copy the text over
|
|
$data->summary = $data->summary_editor['text'];
|
|
$data->summaryformat = $data->summary_editor['format'];
|
|
|
|
$data->id = $DB->insert_record('course_request', $data);
|
|
|
|
// Create a new course_request object and return it
|
|
$request = new course_request($data);
|
|
|
|
// Notify the admin if required.
|
|
if ($users = get_users_from_config($CFG->courserequestnotify, 'moodle/site:approvecourse')) {
|
|
|
|
$a = new stdClass;
|
|
$a->link = "$CFG->wwwroot/course/pending.php";
|
|
$a->user = fullname($USER);
|
|
$subject = get_string('courserequest');
|
|
$message = get_string('courserequestnotifyemail', 'admin', $a);
|
|
foreach ($users as $user) {
|
|
$request->notify($user, $USER, 'courserequested', $subject, $message);
|
|
}
|
|
}
|
|
|
|
return $request;
|
|
}
|
|
|
|
/**
|
|
* Returns an array of options to use with a summary editor
|
|
*
|
|
* @uses course_request::$summaryeditoroptions
|
|
* @return array An array of options to use with the editor
|
|
*/
|
|
public static function summary_editor_options() {
|
|
global $CFG;
|
|
if (self::$summaryeditoroptions === null) {
|
|
self::$summaryeditoroptions = array('maxfiles' => 0, 'maxbytes'=>0);
|
|
}
|
|
return self::$summaryeditoroptions;
|
|
}
|
|
|
|
/**
|
|
* Loads the properties for this course request object. Id is required and if
|
|
* only id is provided then we load the rest of the properties from the database
|
|
*
|
|
* @param stdClass|int $properties Either an object containing properties
|
|
* or the course_request id to load
|
|
*/
|
|
public function __construct($properties) {
|
|
global $DB;
|
|
if (empty($properties->id)) {
|
|
if (empty($properties)) {
|
|
throw new coding_exception('You must provide a course request id when creating a course_request object');
|
|
}
|
|
$id = $properties;
|
|
$properties = new stdClass;
|
|
$properties->id = (int)$id;
|
|
unset($id);
|
|
}
|
|
if (empty($properties->requester)) {
|
|
if (!($this->properties = $DB->get_record('course_request', array('id' => $properties->id)))) {
|
|
throw new \moodle_exception('unknowncourserequest');
|
|
}
|
|
} else {
|
|
$this->properties = $properties;
|
|
}
|
|
$this->properties->collision = null;
|
|
}
|
|
|
|
/**
|
|
* Returns the requested property
|
|
*
|
|
* @param string $key
|
|
* @return mixed
|
|
*/
|
|
public function __get($key) {
|
|
return $this->properties->$key;
|
|
}
|
|
|
|
/**
|
|
* Override this to ensure empty($request->blah) calls return a reliable answer...
|
|
*
|
|
* This is required because we define the __get method
|
|
*
|
|
* @param mixed $key
|
|
* @return bool True is it not empty, false otherwise
|
|
*/
|
|
public function __isset($key) {
|
|
return (!empty($this->properties->$key));
|
|
}
|
|
|
|
/**
|
|
* Returns the user who requested this course
|
|
*
|
|
* Uses a static var to cache the results and cut down the number of db queries
|
|
*
|
|
* @staticvar array $requesters An array of cached users
|
|
* @return stdClass The user who requested the course
|
|
*/
|
|
public function get_requester() {
|
|
global $DB;
|
|
static $requesters= array();
|
|
if (!array_key_exists($this->properties->requester, $requesters)) {
|
|
$requesters[$this->properties->requester] = $DB->get_record('user', array('id'=>$this->properties->requester));
|
|
}
|
|
return $requesters[$this->properties->requester];
|
|
}
|
|
|
|
/**
|
|
* Checks that the shortname used by the course does not conflict with any other
|
|
* courses that exist
|
|
*
|
|
* @param string|null $shortnamemark The string to append to the requests shortname
|
|
* should a conflict be found
|
|
* @return bool true is there is a conflict, false otherwise
|
|
*/
|
|
public function check_shortname_collision($shortnamemark = '[*]') {
|
|
global $DB;
|
|
|
|
if ($this->properties->collision !== null) {
|
|
return $this->properties->collision;
|
|
}
|
|
|
|
if (empty($this->properties->shortname)) {
|
|
debugging('Attempting to check a course request shortname before it has been set', DEBUG_DEVELOPER);
|
|
$this->properties->collision = false;
|
|
} else if ($DB->record_exists('course', array('shortname' => $this->properties->shortname))) {
|
|
if (!empty($shortnamemark)) {
|
|
$this->properties->shortname .= ' '.$shortnamemark;
|
|
}
|
|
$this->properties->collision = true;
|
|
} else {
|
|
$this->properties->collision = false;
|
|
}
|
|
return $this->properties->collision;
|
|
}
|
|
|
|
/**
|
|
* Checks user capability to approve a requested course
|
|
*
|
|
* If course was requested without category for some reason (might happen if $CFG->defaultrequestcategory is
|
|
* misconfigured), we check capabilities 'moodle/site:approvecourse' and 'moodle/course:changecategory'.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function can_approve() {
|
|
global $CFG;
|
|
$category = null;
|
|
if ($this->properties->category) {
|
|
$category = core_course_category::get($this->properties->category, IGNORE_MISSING);
|
|
} else if ($CFG->defaultrequestcategory) {
|
|
$category = core_course_category::get($CFG->defaultrequestcategory, IGNORE_MISSING);
|
|
}
|
|
if ($category) {
|
|
return has_capability('moodle/site:approvecourse', $category->get_context());
|
|
}
|
|
|
|
// We can not determine the context where the course should be created. The approver should have
|
|
// both capabilities to approve courses and change course category in the system context.
|
|
return has_all_capabilities(['moodle/site:approvecourse', 'moodle/course:changecategory'], context_system::instance());
|
|
}
|
|
|
|
/**
|
|
* Returns the category where this course request should be created
|
|
*
|
|
* Note that we don't check here that user has a capability to view
|
|
* hidden categories if he has capabilities 'moodle/site:approvecourse' and
|
|
* 'moodle/course:changecategory'
|
|
*
|
|
* @return core_course_category
|
|
*/
|
|
public function get_category() {
|
|
global $CFG;
|
|
if ($this->properties->category && ($category = core_course_category::get($this->properties->category, IGNORE_MISSING))) {
|
|
return $category;
|
|
} else if ($CFG->defaultrequestcategory &&
|
|
($category = core_course_category::get($CFG->defaultrequestcategory, IGNORE_MISSING))) {
|
|
return $category;
|
|
} else {
|
|
return core_course_category::get_default();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function approves the request turning it into a course
|
|
*
|
|
* This function converts the course request into a course, at the same time
|
|
* transferring any files used in the summary to the new course and then removing
|
|
* the course request and the files associated with it.
|
|
*
|
|
* @return int The id of the course that was created from this request
|
|
*/
|
|
public function approve() {
|
|
global $CFG, $DB, $USER;
|
|
|
|
require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
|
|
|
|
$user = $DB->get_record('user', array('id' => $this->properties->requester, 'deleted'=>0), '*', MUST_EXIST);
|
|
|
|
$courseconfig = get_config('moodlecourse');
|
|
|
|
// Transfer appropriate settings
|
|
$data = clone($this->properties);
|
|
unset($data->id);
|
|
unset($data->reason);
|
|
unset($data->requester);
|
|
|
|
// Set category
|
|
$category = $this->get_category();
|
|
$data->category = $category->id;
|
|
// Set misc settings
|
|
$data->requested = 1;
|
|
|
|
// Apply course default settings
|
|
$data->format = $courseconfig->format;
|
|
$data->newsitems = $courseconfig->newsitems;
|
|
$data->showgrades = $courseconfig->showgrades;
|
|
$data->showreports = $courseconfig->showreports;
|
|
$data->maxbytes = $courseconfig->maxbytes;
|
|
$data->groupmode = $courseconfig->groupmode;
|
|
$data->groupmodeforce = $courseconfig->groupmodeforce;
|
|
$data->visible = $courseconfig->visible;
|
|
$data->visibleold = $data->visible;
|
|
$data->lang = $courseconfig->lang;
|
|
$data->enablecompletion = $courseconfig->enablecompletion;
|
|
$data->numsections = $courseconfig->numsections;
|
|
$data->startdate = usergetmidnight(time());
|
|
if ($courseconfig->courseenddateenabled) {
|
|
$data->enddate = usergetmidnight(time()) + $courseconfig->courseduration;
|
|
}
|
|
|
|
list($data->fullname, $data->shortname) = restore_dbops::calculate_course_names(0, $data->fullname, $data->shortname);
|
|
|
|
$course = create_course($data);
|
|
$context = context_course::instance($course->id, MUST_EXIST);
|
|
|
|
// add enrol instances
|
|
if (!$DB->record_exists('enrol', array('courseid'=>$course->id, 'enrol'=>'manual'))) {
|
|
if ($manual = enrol_get_plugin('manual')) {
|
|
$manual->add_default_instance($course);
|
|
}
|
|
}
|
|
|
|
// enrol the requester as teacher if necessary
|
|
if (!empty($CFG->creatornewroleid) and !is_viewing($context, $user, 'moodle/role:assign') and !is_enrolled($context, $user, 'moodle/role:assign')) {
|
|
enrol_try_internal_enrol($course->id, $user->id, $CFG->creatornewroleid);
|
|
}
|
|
|
|
$this->delete();
|
|
|
|
$a = new stdClass();
|
|
$a->name = format_string($course->fullname, true, array('context' => context_course::instance($course->id)));
|
|
$a->url = $CFG->wwwroot.'/course/view.php?id=' . $course->id;
|
|
$this->notify($user, $USER, 'courserequestapproved', get_string('courseapprovedsubject'), get_string('courseapprovedemail2', 'moodle', $a), $course->id);
|
|
|
|
return $course->id;
|
|
}
|
|
|
|
/**
|
|
* Reject a course request
|
|
*
|
|
* This function rejects a course request, emailing the requesting user the
|
|
* provided notice and then removing the request from the database
|
|
*
|
|
* @param string $notice The message to display to the user
|
|
*/
|
|
public function reject($notice) {
|
|
global $USER, $DB;
|
|
$user = $DB->get_record('user', array('id' => $this->properties->requester), '*', MUST_EXIST);
|
|
$this->notify($user, $USER, 'courserequestrejected', get_string('courserejectsubject'), get_string('courserejectemail', 'moodle', $notice));
|
|
$this->delete();
|
|
}
|
|
|
|
/**
|
|
* Deletes the course request and any associated files
|
|
*/
|
|
public function delete() {
|
|
global $DB;
|
|
$DB->delete_records('course_request', array('id' => $this->properties->id));
|
|
}
|
|
|
|
/**
|
|
* Send a message from one user to another using events_trigger
|
|
*
|
|
* @param object $touser
|
|
* @param object $fromuser
|
|
* @param string $name
|
|
* @param string $subject
|
|
* @param string $message
|
|
* @param int|null $courseid
|
|
*/
|
|
protected function notify($touser, $fromuser, $name, $subject, $message, $courseid = null) {
|
|
$eventdata = new \core\message\message();
|
|
$eventdata->courseid = empty($courseid) ? SITEID : $courseid;
|
|
$eventdata->component = 'moodle';
|
|
$eventdata->name = $name;
|
|
$eventdata->userfrom = $fromuser;
|
|
$eventdata->userto = $touser;
|
|
$eventdata->subject = $subject;
|
|
$eventdata->fullmessage = $message;
|
|
$eventdata->fullmessageformat = FORMAT_PLAIN;
|
|
$eventdata->fullmessagehtml = '';
|
|
$eventdata->smallmessage = '';
|
|
$eventdata->notification = 1;
|
|
message_send($eventdata);
|
|
}
|
|
|
|
/**
|
|
* Checks if current user can request a course in this context
|
|
*
|
|
* @param context $context
|
|
* @return bool
|
|
*/
|
|
public static function can_request(context $context) {
|
|
global $CFG;
|
|
if (empty($CFG->enablecourserequests)) {
|
|
return false;
|
|
}
|
|
if (has_capability('moodle/course:create', $context)) {
|
|
return false;
|
|
}
|
|
|
|
if ($context instanceof context_system) {
|
|
$defaultcontext = context_coursecat::instance($CFG->defaultrequestcategory, IGNORE_MISSING);
|
|
return $defaultcontext &&
|
|
has_capability('moodle/course:request', $defaultcontext);
|
|
} else if ($context instanceof context_coursecat) {
|
|
if (!$CFG->lockrequestcategory || $CFG->defaultrequestcategory == $context->instanceid) {
|
|
return has_capability('moodle/course:request', $context);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a list of page types
|
|
* @param string $pagetype current page type
|
|
* @param context $parentcontext Block's parent context
|
|
* @param context $currentcontext Current context of block
|
|
* @return array array of page types
|
|
*/
|
|
function course_page_type_list($pagetype, $parentcontext, $currentcontext) {
|
|
if ($pagetype === 'course-index' || $pagetype === 'course-index-category') {
|
|
// For courses and categories browsing pages (/course/index.php) add option to show on ANY category page
|
|
$pagetypes = array('*' => get_string('page-x', 'pagetype'),
|
|
'course-index-*' => get_string('page-course-index-x', 'pagetype'),
|
|
);
|
|
} else if ($currentcontext && (!($coursecontext = $currentcontext->get_course_context(false)) || $coursecontext->instanceid == SITEID)) {
|
|
// We know for sure that despite pagetype starts with 'course-' this is not a page in course context (i.e. /course/search.php, etc.)
|
|
$pagetypes = array('*' => get_string('page-x', 'pagetype'));
|
|
} else {
|
|
// Otherwise consider it a page inside a course even if $currentcontext is null
|
|
$pagetypes = array('*' => get_string('page-x', 'pagetype'),
|
|
'course-*' => get_string('page-course-x', 'pagetype'),
|
|
'course-view-*' => get_string('page-course-view-x', 'pagetype')
|
|
);
|
|
}
|
|
return $pagetypes;
|
|
}
|
|
|
|
/**
|
|
* Determine whether course ajax should be enabled for the specified course
|
|
*
|
|
* @param stdClass $course The course to test against
|
|
* @return boolean Whether course ajax is enabled or note
|
|
*/
|
|
function course_ajax_enabled($course) {
|
|
global $CFG, $PAGE, $SITE;
|
|
|
|
// The user must be editing for AJAX to be included
|
|
if (!$PAGE->user_is_editing()) {
|
|
return false;
|
|
}
|
|
|
|
// Check that the theme suports
|
|
if (!$PAGE->theme->enablecourseajax) {
|
|
return false;
|
|
}
|
|
|
|
// Check that the course format supports ajax functionality
|
|
// The site 'format' doesn't have information on course format support
|
|
if ($SITE->id !== $course->id) {
|
|
$courseformatajaxsupport = course_format_ajax_support($course->format);
|
|
if (!$courseformatajaxsupport->capable) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// All conditions have been met so course ajax should be enabled
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Include the relevant javascript and language strings for the resource
|
|
* toolbox YUI module
|
|
*
|
|
* @param integer $id The ID of the course being applied to
|
|
* @param array $usedmodules An array containing the names of the modules in use on the page
|
|
* @param array $enabledmodules An array containing the names of the enabled (visible) modules on this site
|
|
* @param stdClass $config An object containing configuration parameters for ajax modules including:
|
|
* * resourceurl The URL to post changes to for resource changes
|
|
* * sectionurl The URL to post changes to for section changes
|
|
* * pageparams Additional parameters to pass through in the post
|
|
* @return bool
|
|
*/
|
|
function include_course_ajax($course, $usedmodules = array(), $enabledmodules = null, $config = null) {
|
|
global $CFG, $PAGE, $SITE;
|
|
|
|
// Init the course editor module to support UI components.
|
|
$format = course_get_format($course);
|
|
include_course_editor($format);
|
|
|
|
// Ensure that ajax should be included
|
|
if (!course_ajax_enabled($course)) {
|
|
return false;
|
|
}
|
|
|
|
// Component based formats don't use YUI drag and drop anymore.
|
|
if (!$format->supports_components() && course_format_uses_sections($course->format)) {
|
|
|
|
if (!$config) {
|
|
$config = new stdClass();
|
|
}
|
|
|
|
// The URL to use for resource changes.
|
|
if (!isset($config->resourceurl)) {
|
|
$config->resourceurl = '/course/rest.php';
|
|
}
|
|
|
|
// The URL to use for section changes.
|
|
if (!isset($config->sectionurl)) {
|
|
$config->sectionurl = '/course/rest.php';
|
|
}
|
|
|
|
// Any additional parameters which need to be included on page submission.
|
|
if (!isset($config->pageparams)) {
|
|
$config->pageparams = array();
|
|
}
|
|
|
|
$PAGE->requires->yui_module('moodle-course-dragdrop', 'M.course.init_section_dragdrop',
|
|
array(array(
|
|
'courseid' => $course->id,
|
|
'ajaxurl' => $config->sectionurl,
|
|
'config' => $config,
|
|
)), null, true);
|
|
|
|
$PAGE->requires->yui_module('moodle-course-dragdrop', 'M.course.init_resource_dragdrop',
|
|
array(array(
|
|
'courseid' => $course->id,
|
|
'ajaxurl' => $config->resourceurl,
|
|
'config' => $config,
|
|
)), null, true);
|
|
|
|
// Require various strings for the command toolbox.
|
|
$PAGE->requires->strings_for_js(array(
|
|
'moveleft',
|
|
'deletechecktype',
|
|
'deletechecktypename',
|
|
'edittitle',
|
|
'edittitleinstructions',
|
|
'show',
|
|
'hide',
|
|
'highlight',
|
|
'highlightoff',
|
|
'groupsnone',
|
|
'groupsvisible',
|
|
'groupsseparate',
|
|
'movesection',
|
|
'movecoursemodule',
|
|
'movecoursesection',
|
|
'movecontent',
|
|
'tocontent',
|
|
'emptydragdropregion',
|
|
'afterresource',
|
|
'aftersection',
|
|
'totopofsection',
|
|
), 'moodle');
|
|
|
|
// Include section-specific strings for formats which support sections.
|
|
if (course_format_uses_sections($course->format)) {
|
|
$PAGE->requires->strings_for_js(array(
|
|
'showfromothers',
|
|
'hidefromothers',
|
|
), 'format_' . $course->format);
|
|
}
|
|
|
|
// For confirming resource deletion we need the name of the module in question.
|
|
foreach ($usedmodules as $module => $modname) {
|
|
$PAGE->requires->string_for_js('pluginname', $module);
|
|
}
|
|
|
|
// Load drag and drop upload AJAX.
|
|
require_once($CFG->dirroot.'/course/dnduploadlib.php');
|
|
dndupload_add_to_course($course, $enabledmodules);
|
|
}
|
|
|
|
$PAGE->requires->js_call_amd('core_course/actions', 'initCoursePage', array($course->format));
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Include and configure the course editor modules.
|
|
*
|
|
* @param course_format $format the course format instance.
|
|
*/
|
|
function include_course_editor(course_format $format) {
|
|
global $PAGE, $SITE;
|
|
|
|
$course = $format->get_course();
|
|
|
|
if ($SITE->id === $course->id) {
|
|
return;
|
|
}
|
|
|
|
$statekey = course_format::session_cache($course);
|
|
|
|
// Edition mode and some format specs must be passed to the init method.
|
|
$setup = (object)[
|
|
'editing' => $format->show_editor(),
|
|
'supportscomponents' => $format->supports_components(),
|
|
'statekey' => $statekey,
|
|
'overriddenStrings' => $format->get_editor_custom_strings(),
|
|
];
|
|
// All the new editor elements will be loaded after the course is presented and
|
|
// the initial course state will be generated using core_course_get_state webservice.
|
|
$PAGE->requires->js_call_amd('core_courseformat/courseeditor', 'setViewFormat', [$course->id, $setup]);
|
|
}
|
|
|
|
/**
|
|
* Returns the sorted list of available course formats, filtered by enabled if necessary
|
|
*
|
|
* @param bool $enabledonly return only formats that are enabled
|
|
* @return array array of sorted format names
|
|
*/
|
|
function get_sorted_course_formats($enabledonly = false) {
|
|
global $CFG;
|
|
|
|
// Include both formats that exist on disk (but might not have been installed yet), and those
|
|
// which were installed but no longer exist on disk.
|
|
$installedformats = core_plugin_manager::instance()->get_installed_plugins('format');
|
|
$existingformats = core_component::get_plugin_list('format');
|
|
$formats = array_merge($installedformats, $existingformats);
|
|
|
|
if (!empty($CFG->format_plugins_sortorder)) {
|
|
$order = explode(',', $CFG->format_plugins_sortorder);
|
|
$order = array_merge(array_intersect($order, array_keys($formats)),
|
|
array_diff(array_keys($formats), $order));
|
|
} else {
|
|
$order = array_keys($formats);
|
|
}
|
|
if (!$enabledonly) {
|
|
return $order;
|
|
}
|
|
$sortedformats = array();
|
|
foreach ($order as $formatname) {
|
|
$component = "format_{$formatname}";
|
|
$componentdir = core_component::get_component_directory($component);
|
|
if ($componentdir !== null && !get_config($component, 'disabled')) {
|
|
$sortedformats[] = $formatname;
|
|
}
|
|
}
|
|
return $sortedformats;
|
|
}
|
|
|
|
/**
|
|
* The URL to use for the specified course (with section)
|
|
*
|
|
* @param int|stdClass $courseorid The course to get the section name for (either object or just course id)
|
|
* @param int|stdClass $section Section object from database or just field course_sections.section
|
|
* if omitted the course view page is returned
|
|
* @param array $options options for view URL. At the moment core uses:
|
|
* 'navigation' (bool) if true and section has no separate page, the function returns null
|
|
* 'sr' (int) used by multipage formats to specify to which section to return
|
|
* @return moodle_url The url of course
|
|
*/
|
|
function course_get_url($courseorid, $section = null, $options = array()) {
|
|
return course_get_format($courseorid)->get_view_url($section, $options);
|
|
}
|
|
|
|
/**
|
|
* Create a module.
|
|
*
|
|
* It includes:
|
|
* - capability checks and other checks
|
|
* - create the module from the module info
|
|
*
|
|
* @param object $module
|
|
* @return object the created module info
|
|
* @throws moodle_exception if user is not allowed to perform the action or module is not allowed in this course
|
|
*/
|
|
function create_module($moduleinfo) {
|
|
global $DB, $CFG;
|
|
|
|
require_once($CFG->dirroot . '/course/modlib.php');
|
|
|
|
// Check manadatory attributs.
|
|
$mandatoryfields = array('modulename', 'course', 'section', 'visible');
|
|
if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true)) {
|
|
$mandatoryfields[] = 'introeditor';
|
|
}
|
|
foreach($mandatoryfields as $mandatoryfield) {
|
|
if (!isset($moduleinfo->{$mandatoryfield})) {
|
|
throw new moodle_exception('createmodulemissingattribut', '', '', $mandatoryfield);
|
|
}
|
|
}
|
|
|
|
// Some additional checks (capability / existing instances).
|
|
$course = $DB->get_record('course', array('id'=>$moduleinfo->course), '*', MUST_EXIST);
|
|
list($module, $context, $cw) = can_add_moduleinfo($course, $moduleinfo->modulename, $moduleinfo->section);
|
|
|
|
// Add the module.
|
|
$moduleinfo->module = $module->id;
|
|
$moduleinfo = add_moduleinfo($moduleinfo, $course, null);
|
|
|
|
return $moduleinfo;
|
|
}
|
|
|
|
/**
|
|
* Update a module.
|
|
*
|
|
* It includes:
|
|
* - capability and other checks
|
|
* - update the module
|
|
*
|
|
* @param object $module
|
|
* @return object the updated module info
|
|
* @throws moodle_exception if current user is not allowed to update the module
|
|
*/
|
|
function update_module($moduleinfo) {
|
|
global $DB, $CFG;
|
|
|
|
require_once($CFG->dirroot . '/course/modlib.php');
|
|
|
|
// Check the course module exists.
|
|
$cm = get_coursemodule_from_id('', $moduleinfo->coursemodule, 0, false, MUST_EXIST);
|
|
|
|
// Check the course exists.
|
|
$course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
|
|
|
|
// Some checks (capaibility / existing instances).
|
|
list($cm, $context, $module, $data, $cw) = can_update_moduleinfo($cm);
|
|
|
|
// Retrieve few information needed by update_moduleinfo.
|
|
$moduleinfo->modulename = $cm->modname;
|
|
if (!isset($moduleinfo->scale)) {
|
|
$moduleinfo->scale = 0;
|
|
}
|
|
$moduleinfo->type = 'mod';
|
|
|
|
// Update the module.
|
|
list($cm, $moduleinfo) = update_moduleinfo($cm, $moduleinfo, $course, null);
|
|
|
|
return $moduleinfo;
|
|
}
|
|
|
|
/**
|
|
* Duplicate a module on the course for ajax.
|
|
*
|
|
* @see mod_duplicate_module()
|
|
* @param object $course The course
|
|
* @param object $cm The course module to duplicate
|
|
* @param int $sr The section to link back to (used for creating the links)
|
|
* @throws moodle_exception if the plugin doesn't support duplication
|
|
* @return stdClass Object containing:
|
|
* - fullcontent: The HTML markup for the created CM
|
|
* - cmid: The CMID of the newly created CM
|
|
* - redirect: Whether to trigger a redirect following this change
|
|
*/
|
|
function mod_duplicate_activity($course, $cm, $sr = null) {
|
|
global $PAGE;
|
|
|
|
$newcm = duplicate_module($course, $cm);
|
|
|
|
$resp = new stdClass();
|
|
if ($newcm) {
|
|
|
|
$format = course_get_format($course);
|
|
$renderer = $format->get_renderer($PAGE);
|
|
$modinfo = $format->get_modinfo();
|
|
$section = $modinfo->get_section_info($newcm->sectionnum);
|
|
|
|
// Get the new element html content.
|
|
$resp->fullcontent = $renderer->course_section_updated_cm_item($format, $section, $newcm);
|
|
|
|
$resp->cmid = $newcm->id;
|
|
} else {
|
|
// Trigger a redirect.
|
|
$resp->redirect = true;
|
|
}
|
|
return $resp;
|
|
}
|
|
|
|
/**
|
|
* Api to duplicate a module.
|
|
*
|
|
* @param object $course course object.
|
|
* @param object $cm course module object to be duplicated.
|
|
* @param int $sectionid section ID new course module will be placed in.
|
|
* @param bool $changename updates module name with text from duplicatedmodule lang string.
|
|
* @since Moodle 2.8
|
|
*
|
|
* @throws Exception
|
|
* @throws coding_exception
|
|
* @throws moodle_exception
|
|
* @throws restore_controller_exception
|
|
*
|
|
* @return cm_info|null cminfo object if we sucessfully duplicated the mod and found the new cm.
|
|
*/
|
|
function duplicate_module($course, $cm, int $sectionid = null, bool $changename = true): ?cm_info {
|
|
global $CFG, $DB, $USER;
|
|
require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
|
|
require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
|
|
require_once($CFG->libdir . '/filelib.php');
|
|
|
|
$a = new stdClass();
|
|
$a->modtype = get_string('modulename', $cm->modname);
|
|
$a->modname = format_string($cm->name);
|
|
|
|
if (!plugin_supports('mod', $cm->modname, FEATURE_BACKUP_MOODLE2)) {
|
|
throw new moodle_exception('duplicatenosupport', 'error', '', $a);
|
|
}
|
|
|
|
// Backup the activity.
|
|
|
|
$bc = new backup_controller(backup::TYPE_1ACTIVITY, $cm->id, backup::FORMAT_MOODLE,
|
|
backup::INTERACTIVE_NO, backup::MODE_IMPORT, $USER->id);
|
|
|
|
$backupid = $bc->get_backupid();
|
|
$backupbasepath = $bc->get_plan()->get_basepath();
|
|
|
|
$bc->execute_plan();
|
|
|
|
$bc->destroy();
|
|
|
|
// Restore the backup immediately.
|
|
|
|
$rc = new restore_controller($backupid, $course->id,
|
|
backup::INTERACTIVE_NO, backup::MODE_IMPORT, $USER->id, backup::TARGET_CURRENT_ADDING);
|
|
|
|
// Make sure that the restore_general_groups setting is always enabled when duplicating an activity.
|
|
$plan = $rc->get_plan();
|
|
$groupsetting = $plan->get_setting('groups');
|
|
if (empty($groupsetting->get_value())) {
|
|
$groupsetting->set_value(true);
|
|
}
|
|
|
|
$cmcontext = context_module::instance($cm->id);
|
|
if (!$rc->execute_precheck()) {
|
|
$precheckresults = $rc->get_precheck_results();
|
|
if (is_array($precheckresults) && !empty($precheckresults['errors'])) {
|
|
if (empty($CFG->keeptempdirectoriesonbackup)) {
|
|
fulldelete($backupbasepath);
|
|
}
|
|
}
|
|
}
|
|
|
|
$rc->execute_plan();
|
|
|
|
// Now a bit hacky part follows - we try to get the cmid of the newly
|
|
// restored copy of the module.
|
|
$newcmid = null;
|
|
$tasks = $rc->get_plan()->get_tasks();
|
|
foreach ($tasks as $task) {
|
|
if (is_subclass_of($task, 'restore_activity_task')) {
|
|
if ($task->get_old_contextid() == $cmcontext->id) {
|
|
$newcmid = $task->get_moduleid();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$rc->destroy();
|
|
|
|
if (empty($CFG->keeptempdirectoriesonbackup)) {
|
|
fulldelete($backupbasepath);
|
|
}
|
|
|
|
// If we know the cmid of the new course module, let us move it
|
|
// right below the original one. otherwise it will stay at the
|
|
// end of the section.
|
|
if ($newcmid) {
|
|
// Proceed with activity renaming before everything else. We don't use APIs here to avoid
|
|
// triggering a lot of create/update duplicated events.
|
|
$newcm = get_coursemodule_from_id($cm->modname, $newcmid, $cm->course);
|
|
if ($changename) {
|
|
// Add ' (copy)' language string postfix to duplicated module.
|
|
$newname = get_string('duplicatedmodule', 'moodle', $newcm->name);
|
|
set_coursemodule_name($newcm->id, $newname);
|
|
}
|
|
|
|
$section = $DB->get_record('course_sections', ['id' => $sectionid ?? $cm->section, 'course' => $cm->course]);
|
|
if (isset($sectionid)) {
|
|
moveto_module($newcm, $section);
|
|
} else {
|
|
$modarray = explode(",", trim($section->sequence));
|
|
$cmindex = array_search($cm->id, $modarray);
|
|
if ($cmindex !== false && $cmindex < count($modarray) - 1) {
|
|
moveto_module($newcm, $section, $modarray[$cmindex + 1]);
|
|
}
|
|
}
|
|
|
|
// Update calendar events with the duplicated module.
|
|
// The following line is to be removed in MDL-58906.
|
|
course_module_update_calendar_events($newcm->modname, null, $newcm);
|
|
|
|
// Copy permission overrides to new course module.
|
|
$newcmcontext = context_module::instance($newcm->id);
|
|
$overrides = $DB->get_records('role_capabilities', ['contextid' => $cmcontext->id]);
|
|
foreach ($overrides as $override) {
|
|
$override->contextid = $newcmcontext->id;
|
|
unset($override->id);
|
|
$DB->insert_record('role_capabilities', $override);
|
|
}
|
|
|
|
// Copy locally assigned roles to new course module.
|
|
$overrides = $DB->get_records('role_assignments', ['contextid' => $cmcontext->id]);
|
|
foreach ($overrides as $override) {
|
|
$override->contextid = $newcmcontext->id;
|
|
unset($override->id);
|
|
$DB->insert_record('role_assignments', $override);
|
|
}
|
|
|
|
// Trigger course module created event. We can trigger the event only if we know the newcmid.
|
|
$newcm = get_fast_modinfo($cm->course)->get_cm($newcmid);
|
|
$event = \core\event\course_module_created::create_from_cm($newcm);
|
|
$event->trigger();
|
|
}
|
|
|
|
return isset($newcm) ? $newcm : null;
|
|
}
|
|
|
|
/**
|
|
* Compare two objects to find out their correct order based on timestamp (to be used by usort).
|
|
* Sorts by descending order of time.
|
|
*
|
|
* @param stdClass $a First object
|
|
* @param stdClass $b Second object
|
|
* @return int 0,1,-1 representing the order
|
|
*/
|
|
function compare_activities_by_time_desc($a, $b) {
|
|
// Make sure the activities actually have a timestamp property.
|
|
if ((!property_exists($a, 'timestamp')) && (!property_exists($b, 'timestamp'))) {
|
|
return 0;
|
|
}
|
|
// We treat instances without timestamp as if they have a timestamp of 0.
|
|
if ((!property_exists($a, 'timestamp')) && (property_exists($b,'timestamp'))) {
|
|
return 1;
|
|
}
|
|
if ((property_exists($a, 'timestamp')) && (!property_exists($b, 'timestamp'))) {
|
|
return -1;
|
|
}
|
|
if ($a->timestamp == $b->timestamp) {
|
|
return 0;
|
|
}
|
|
return ($a->timestamp > $b->timestamp) ? -1 : 1;
|
|
}
|
|
|
|
/**
|
|
* Compare two objects to find out their correct order based on timestamp (to be used by usort).
|
|
* Sorts by ascending order of time.
|
|
*
|
|
* @param stdClass $a First object
|
|
* @param stdClass $b Second object
|
|
* @return int 0,1,-1 representing the order
|
|
*/
|
|
function compare_activities_by_time_asc($a, $b) {
|
|
// Make sure the activities actually have a timestamp property.
|
|
if ((!property_exists($a, 'timestamp')) && (!property_exists($b, 'timestamp'))) {
|
|
return 0;
|
|
}
|
|
// We treat instances without timestamp as if they have a timestamp of 0.
|
|
if ((!property_exists($a, 'timestamp')) && (property_exists($b, 'timestamp'))) {
|
|
return -1;
|
|
}
|
|
if ((property_exists($a, 'timestamp')) && (!property_exists($b, 'timestamp'))) {
|
|
return 1;
|
|
}
|
|
if ($a->timestamp == $b->timestamp) {
|
|
return 0;
|
|
}
|
|
return ($a->timestamp < $b->timestamp) ? -1 : 1;
|
|
}
|
|
|
|
/**
|
|
* Changes the visibility of a course.
|
|
*
|
|
* @param int $courseid The course to change.
|
|
* @param bool $show True to make it visible, false otherwise.
|
|
* @return bool
|
|
*/
|
|
function course_change_visibility($courseid, $show = true) {
|
|
$course = new stdClass;
|
|
$course->id = $courseid;
|
|
$course->visible = ($show) ? '1' : '0';
|
|
$course->visibleold = $course->visible;
|
|
update_course($course);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Changes the course sortorder by one, moving it up or down one in respect to sort order.
|
|
*
|
|
* @param stdClass|core_course_list_element $course
|
|
* @param bool $up If set to true the course will be moved up one. Otherwise down one.
|
|
* @return bool
|
|
*/
|
|
function course_change_sortorder_by_one($course, $up) {
|
|
global $DB;
|
|
$params = array($course->sortorder, $course->category);
|
|
if ($up) {
|
|
$select = 'sortorder < ? AND category = ?';
|
|
$sort = 'sortorder DESC';
|
|
} else {
|
|
$select = 'sortorder > ? AND category = ?';
|
|
$sort = 'sortorder ASC';
|
|
}
|
|
fix_course_sortorder();
|
|
$swapcourse = $DB->get_records_select('course', $select, $params, $sort, '*', 0, 1);
|
|
if ($swapcourse) {
|
|
$swapcourse = reset($swapcourse);
|
|
$DB->set_field('course', 'sortorder', $swapcourse->sortorder, array('id' => $course->id));
|
|
$DB->set_field('course', 'sortorder', $course->sortorder, array('id' => $swapcourse->id));
|
|
// Finally reorder courses.
|
|
fix_course_sortorder();
|
|
cache_helper::purge_by_event('changesincourse');
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Changes the sort order of courses in a category so that the first course appears after the second.
|
|
*
|
|
* @param int|stdClass $courseorid The course to focus on.
|
|
* @param int $moveaftercourseid The course to shifter after or 0 if you want it to be the first course in the category.
|
|
* @return bool
|
|
*/
|
|
function course_change_sortorder_after_course($courseorid, $moveaftercourseid) {
|
|
global $DB;
|
|
|
|
if (!is_object($courseorid)) {
|
|
$course = get_course($courseorid);
|
|
} else {
|
|
$course = $courseorid;
|
|
}
|
|
|
|
if ((int)$moveaftercourseid === 0) {
|
|
// We've moving the course to the start of the queue.
|
|
$sql = 'SELECT sortorder
|
|
FROM {course}
|
|
WHERE category = :categoryid
|
|
ORDER BY sortorder';
|
|
$params = array(
|
|
'categoryid' => $course->category
|
|
);
|
|
$sortorder = $DB->get_field_sql($sql, $params, IGNORE_MULTIPLE);
|
|
|
|
$sql = 'UPDATE {course}
|
|
SET sortorder = sortorder + 1
|
|
WHERE category = :categoryid
|
|
AND id <> :id';
|
|
$params = array(
|
|
'categoryid' => $course->category,
|
|
'id' => $course->id,
|
|
);
|
|
$DB->execute($sql, $params);
|
|
$DB->set_field('course', 'sortorder', $sortorder, array('id' => $course->id));
|
|
} else if ($course->id === $moveaftercourseid) {
|
|
// They're the same - moronic.
|
|
debugging("Invalid move after course given.", DEBUG_DEVELOPER);
|
|
return false;
|
|
} else {
|
|
// Moving this course after the given course. It could be before it could be after.
|
|
$moveaftercourse = get_course($moveaftercourseid);
|
|
if ($course->category !== $moveaftercourse->category) {
|
|
debugging("Cannot re-order courses. The given courses do not belong to the same category.", DEBUG_DEVELOPER);
|
|
return false;
|
|
}
|
|
// Increment all courses in the same category that are ordered after the moveafter course.
|
|
// This makes a space for the course we're moving.
|
|
$sql = 'UPDATE {course}
|
|
SET sortorder = sortorder + 1
|
|
WHERE category = :categoryid
|
|
AND sortorder > :sortorder';
|
|
$params = array(
|
|
'categoryid' => $moveaftercourse->category,
|
|
'sortorder' => $moveaftercourse->sortorder
|
|
);
|
|
$DB->execute($sql, $params);
|
|
$DB->set_field('course', 'sortorder', $moveaftercourse->sortorder + 1, array('id' => $course->id));
|
|
}
|
|
fix_course_sortorder();
|
|
cache_helper::purge_by_event('changesincourse');
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Trigger course viewed event. This API function is used when course view actions happens,
|
|
* usually in course/view.php but also in external functions.
|
|
*
|
|
* @param stdClass $context course context object
|
|
* @param int $sectionnumber section number
|
|
* @since Moodle 2.9
|
|
*/
|
|
function course_view($context, $sectionnumber = 0) {
|
|
|
|
$eventdata = array('context' => $context);
|
|
|
|
if (!empty($sectionnumber)) {
|
|
$eventdata['other']['coursesectionnumber'] = $sectionnumber;
|
|
}
|
|
|
|
$event = \core\event\course_viewed::create($eventdata);
|
|
$event->trigger();
|
|
|
|
user_accesstime_log($context->instanceid);
|
|
}
|
|
|
|
/**
|
|
* Returns courses tagged with a specified tag.
|
|
*
|
|
* @param core_tag_tag $tag
|
|
* @param bool $exclusivemode if set to true it means that no other entities tagged with this tag
|
|
* are displayed on the page and the per-page limit may be bigger
|
|
* @param int $fromctx context id where the link was displayed, may be used by callbacks
|
|
* to display items in the same context first
|
|
* @param int $ctx context id where to search for records
|
|
* @param bool $rec search in subcontexts as well
|
|
* @param int $page 0-based number of page being displayed
|
|
* @return \core_tag\output\tagindex
|
|
*/
|
|
function course_get_tagged_courses($tag, $exclusivemode = false, $fromctx = 0, $ctx = 0, $rec = 1, $page = 0) {
|
|
global $CFG, $PAGE;
|
|
|
|
$perpage = $exclusivemode ? $CFG->coursesperpage : 5;
|
|
$displayoptions = array(
|
|
'limit' => $perpage,
|
|
'offset' => $page * $perpage,
|
|
'viewmoreurl' => null,
|
|
);
|
|
|
|
$courserenderer = $PAGE->get_renderer('core', 'course');
|
|
$totalcount = core_course_category::search_courses_count(array('tagid' => $tag->id, 'ctx' => $ctx, 'rec' => $rec));
|
|
$content = $courserenderer->tagged_courses($tag->id, $exclusivemode, $ctx, $rec, $displayoptions);
|
|
$totalpages = ceil($totalcount / $perpage);
|
|
|
|
return new core_tag\output\tagindex($tag, 'core', 'course', $content,
|
|
$exclusivemode, $fromctx, $ctx, $rec, $page, $totalpages);
|
|
}
|
|
|
|
/**
|
|
* Implements callback inplace_editable() allowing to edit values in-place
|
|
*
|
|
* @param string $itemtype
|
|
* @param int $itemid
|
|
* @param mixed $newvalue
|
|
* @return ?\core\output\inplace_editable
|
|
*/
|
|
function core_course_inplace_editable($itemtype, $itemid, $newvalue) {
|
|
if ($itemtype === 'activityname') {
|
|
return \core_courseformat\output\local\content\cm\title::update($itemid, $newvalue);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function calculates the minimum and maximum cutoff values for the timestart of
|
|
* the given event.
|
|
*
|
|
* It will return an array with two values, the first being the minimum cutoff value and
|
|
* the second being the maximum cutoff value. Either or both values can be null, which
|
|
* indicates there is no minimum or maximum, respectively.
|
|
*
|
|
* If a cutoff is required then the function must return an array containing the cutoff
|
|
* timestamp and error string to display to the user if the cutoff value is violated.
|
|
*
|
|
* A minimum and maximum cutoff return value will look like:
|
|
* [
|
|
* [1505704373, 'The date must be after this date'],
|
|
* [1506741172, 'The date must be before this date']
|
|
* ]
|
|
*
|
|
* @param calendar_event $event The calendar event to get the time range for
|
|
* @param stdClass $course The course object to get the range from
|
|
* @return array Returns an array with min and max date.
|
|
*/
|
|
function core_course_core_calendar_get_valid_event_timestart_range(\calendar_event $event, $course) {
|
|
$mindate = null;
|
|
$maxdate = null;
|
|
|
|
if ($course->startdate) {
|
|
$mindate = [
|
|
$course->startdate,
|
|
get_string('errorbeforecoursestart', 'calendar')
|
|
];
|
|
}
|
|
|
|
return [$mindate, $maxdate];
|
|
}
|
|
|
|
/**
|
|
* Render the message drawer to be included in the top of the body of each page.
|
|
*
|
|
* @return string HTML
|
|
*/
|
|
function core_course_drawer(): string {
|
|
global $PAGE;
|
|
|
|
// If the course index is explicitly set and if it should be hidden.
|
|
if ($PAGE->get_show_course_index() === false) {
|
|
return '';
|
|
}
|
|
|
|
// Only add course index on non-site course pages.
|
|
if (!$PAGE->course || $PAGE->course->id == SITEID) {
|
|
return '';
|
|
}
|
|
|
|
// Show course index to users can access the course only.
|
|
if (!can_access_course($PAGE->course, null, '', true)) {
|
|
return '';
|
|
}
|
|
|
|
$format = course_get_format($PAGE->course);
|
|
$renderer = $format->get_renderer($PAGE);
|
|
if (method_exists($renderer, 'course_index_drawer')) {
|
|
return $renderer->course_index_drawer($format);
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Returns course modules tagged with a specified tag ready for output on tag/index.php page
|
|
*
|
|
* This is a callback used by the tag area core/course_modules to search for course modules
|
|
* tagged with a specific tag.
|
|
*
|
|
* @param core_tag_tag $tag
|
|
* @param bool $exclusivemode if set to true it means that no other entities tagged with this tag
|
|
* are displayed on the page and the per-page limit may be bigger
|
|
* @param int $fromcontextid context id where the link was displayed, may be used by callbacks
|
|
* to display items in the same context first
|
|
* @param int $contextid context id where to search for records
|
|
* @param bool $recursivecontext search in subcontexts as well
|
|
* @param int $page 0-based number of page being displayed
|
|
* @return ?\core_tag\output\tagindex
|
|
*/
|
|
function course_get_tagged_course_modules($tag, $exclusivemode = false, $fromcontextid = 0, $contextid = 0,
|
|
$recursivecontext = 1, $page = 0) {
|
|
global $OUTPUT;
|
|
$perpage = $exclusivemode ? 20 : 5;
|
|
|
|
// Build select query.
|
|
$ctxselect = context_helper::get_preload_record_columns_sql('ctx');
|
|
$query = "SELECT cm.id AS cmid, c.id AS courseid, $ctxselect
|
|
FROM {course_modules} cm
|
|
JOIN {tag_instance} tt ON cm.id = tt.itemid
|
|
JOIN {course} c ON cm.course = c.id
|
|
JOIN {context} ctx ON ctx.instanceid = cm.id AND ctx.contextlevel = :coursemodulecontextlevel
|
|
WHERE tt.itemtype = :itemtype AND tt.tagid = :tagid AND tt.component = :component
|
|
AND cm.deletioninprogress = 0
|
|
AND c.id %COURSEFILTER% AND cm.id %ITEMFILTER%";
|
|
|
|
$params = array('itemtype' => 'course_modules', 'tagid' => $tag->id, 'component' => 'core',
|
|
'coursemodulecontextlevel' => CONTEXT_MODULE);
|
|
if ($contextid) {
|
|
$context = context::instance_by_id($contextid);
|
|
$query .= $recursivecontext ? ' AND (ctx.id = :contextid OR ctx.path LIKE :path)' : ' AND ctx.id = :contextid';
|
|
$params['contextid'] = $context->id;
|
|
$params['path'] = $context->path.'/%';
|
|
}
|
|
|
|
$query .= ' ORDER BY';
|
|
if ($fromcontextid) {
|
|
// In order-clause specify that modules from inside "fromctx" context should be returned first.
|
|
$fromcontext = context::instance_by_id($fromcontextid);
|
|
$query .= ' (CASE WHEN ctx.id = :fromcontextid OR ctx.path LIKE :frompath THEN 0 ELSE 1 END),';
|
|
$params['fromcontextid'] = $fromcontext->id;
|
|
$params['frompath'] = $fromcontext->path.'/%';
|
|
}
|
|
$query .= ' c.sortorder, cm.id';
|
|
$totalpages = $page + 1;
|
|
|
|
// Use core_tag_index_builder to build and filter the list of items.
|
|
// Request one item more than we need so we know if next page exists.
|
|
$builder = new core_tag_index_builder('core', 'course_modules', $query, $params, $page * $perpage, $perpage + 1);
|
|
while ($item = $builder->has_item_that_needs_access_check()) {
|
|
context_helper::preload_from_record($item);
|
|
$courseid = $item->courseid;
|
|
if (!$builder->can_access_course($courseid)) {
|
|
$builder->set_accessible($item, false);
|
|
continue;
|
|
}
|
|
$modinfo = get_fast_modinfo($builder->get_course($courseid));
|
|
// Set accessibility of this item and all other items in the same course.
|
|
$builder->walk(function ($taggeditem) use ($courseid, $modinfo, $builder) {
|
|
if ($taggeditem->courseid == $courseid) {
|
|
$cm = $modinfo->get_cm($taggeditem->cmid);
|
|
$builder->set_accessible($taggeditem, $cm->uservisible);
|
|
}
|
|
});
|
|
}
|
|
|
|
$items = $builder->get_items();
|
|
if (count($items) > $perpage) {
|
|
$totalpages = $page + 2; // We don't need exact page count, just indicate that the next page exists.
|
|
array_pop($items);
|
|
}
|
|
|
|
// Build the display contents.
|
|
if ($items) {
|
|
$tagfeed = new core_tag\output\tagfeed();
|
|
foreach ($items as $item) {
|
|
context_helper::preload_from_record($item);
|
|
$course = $builder->get_course($item->courseid);
|
|
$modinfo = get_fast_modinfo($course);
|
|
$cm = $modinfo->get_cm($item->cmid);
|
|
$courseurl = course_get_url($item->courseid, $cm->sectionnum);
|
|
$cmname = $cm->get_formatted_name();
|
|
if (!$exclusivemode) {
|
|
$cmname = shorten_text($cmname, 100);
|
|
}
|
|
$cmname = html_writer::link($cm->url?:$courseurl, $cmname);
|
|
$coursename = format_string($course->fullname, true,
|
|
array('context' => context_course::instance($item->courseid)));
|
|
$coursename = html_writer::link($courseurl, $coursename);
|
|
$icon = html_writer::empty_tag('img', array('src' => $cm->get_icon_url()));
|
|
$tagfeed->add($icon, $cmname, $coursename);
|
|
}
|
|
|
|
$content = $OUTPUT->render_from_template('core_tag/tagfeed',
|
|
$tagfeed->export_for_template($OUTPUT));
|
|
|
|
return new core_tag\output\tagindex($tag, 'core', 'course_modules', $content,
|
|
$exclusivemode, $fromcontextid, $contextid, $recursivecontext, $page, $totalpages);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return an object with the list of navigation options in a course that are avaialable or not for the current user.
|
|
* This function also handles the frontpage course.
|
|
*
|
|
* @param stdClass $context context object (it can be a course context or the system context for frontpage settings)
|
|
* @param stdClass $course the course where the settings are being rendered
|
|
* @return stdClass the navigation options in a course and their availability status
|
|
* @since Moodle 3.2
|
|
*/
|
|
function course_get_user_navigation_options($context, $course = null) {
|
|
global $CFG, $USER;
|
|
|
|
$isloggedin = isloggedin();
|
|
$isguestuser = isguestuser();
|
|
$isfrontpage = $context->contextlevel == CONTEXT_SYSTEM;
|
|
|
|
if ($isfrontpage) {
|
|
$sitecontext = $context;
|
|
} else {
|
|
$sitecontext = context_system::instance();
|
|
}
|
|
|
|
// Sets defaults for all options.
|
|
$options = (object) [
|
|
'badges' => false,
|
|
'blogs' => false,
|
|
'competencies' => false,
|
|
'grades' => false,
|
|
'notes' => false,
|
|
'participants' => false,
|
|
'search' => false,
|
|
'tags' => false,
|
|
'communication' => false,
|
|
];
|
|
|
|
$options->blogs = !empty($CFG->enableblogs) &&
|
|
($CFG->bloglevel == BLOG_GLOBAL_LEVEL ||
|
|
($CFG->bloglevel == BLOG_SITE_LEVEL and ($isloggedin and !$isguestuser)))
|
|
&& has_capability('moodle/blog:view', $sitecontext);
|
|
|
|
$options->notes = !empty($CFG->enablenotes) && has_any_capability(array('moodle/notes:manage', 'moodle/notes:view'), $context);
|
|
|
|
// Frontpage settings?
|
|
if ($isfrontpage) {
|
|
// We are on the front page, so make sure we use the proper capability (site:viewparticipants).
|
|
$options->participants = course_can_view_participants($sitecontext);
|
|
$options->badges = !empty($CFG->enablebadges) && has_capability('moodle/badges:viewbadges', $sitecontext);
|
|
$options->tags = !empty($CFG->usetags) && $isloggedin;
|
|
$options->search = !empty($CFG->enableglobalsearch) && has_capability('moodle/search:query', $sitecontext);
|
|
} else {
|
|
// We are in a course, so make sure we use the proper capability (course:viewparticipants).
|
|
$options->participants = course_can_view_participants($context);
|
|
|
|
// Only display badges if they are enabled and the current user can manage them or if they can view them and have,
|
|
// at least, one available badge.
|
|
if (!empty($CFG->enablebadges) && !empty($CFG->badges_allowcoursebadges)) {
|
|
$canmanage = has_any_capability([
|
|
'moodle/badges:createbadge',
|
|
'moodle/badges:awardbadge',
|
|
'moodle/badges:configurecriteria',
|
|
'moodle/badges:configuremessages',
|
|
'moodle/badges:configuredetails',
|
|
'moodle/badges:deletebadge',
|
|
],
|
|
$context
|
|
);
|
|
$totalbadges = [];
|
|
$canview = false;
|
|
if (!$canmanage) {
|
|
// This only needs to be calculated if the user can't manage badges (to improve performance).
|
|
$canview = has_capability('moodle/badges:viewbadges', $context);
|
|
if ($canview) {
|
|
require_once($CFG->dirroot.'/lib/badgeslib.php');
|
|
if (is_null($course)) {
|
|
$totalbadges = count(badges_get_badges(BADGE_TYPE_SITE, 0, '', '', 0, 0, $USER->id));
|
|
} else {
|
|
$totalbadges = count(badges_get_badges(BADGE_TYPE_COURSE, $course->id, '', '', 0, 0, $USER->id));
|
|
}
|
|
}
|
|
}
|
|
|
|
$options->badges = ($canmanage || ($canview && $totalbadges > 0));
|
|
}
|
|
// Add view grade report is permitted.
|
|
$grades = false;
|
|
|
|
if (has_capability('moodle/grade:viewall', $context)) {
|
|
$grades = true;
|
|
} else if (!empty($course->showgrades)) {
|
|
$reports = core_component::get_plugin_list('gradereport');
|
|
if (is_array($reports) && count($reports) > 0) { // Get all installed reports.
|
|
arsort($reports); // User is last, we want to test it first.
|
|
foreach ($reports as $plugin => $plugindir) {
|
|
if (has_capability('gradereport/'.$plugin.':view', $context)) {
|
|
// Stop when the first visible plugin is found.
|
|
$grades = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$options->grades = $grades;
|
|
}
|
|
|
|
if (\core_communication\api::is_available()) {
|
|
$options->communication = has_capability('moodle/course:configurecoursecommunication', $context);
|
|
}
|
|
|
|
if (\core_competency\api::is_enabled()) {
|
|
$capabilities = array('moodle/competency:coursecompetencyview', 'moodle/competency:coursecompetencymanage');
|
|
$options->competencies = has_any_capability($capabilities, $context);
|
|
}
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Return an object with the list of administration options in a course that are available or not for the current user.
|
|
* This function also handles the frontpage settings.
|
|
*
|
|
* @param stdClass $course course object (for frontpage it should be a clone of $SITE)
|
|
* @param stdClass $context context object (course context)
|
|
* @return stdClass the administration options in a course and their availability status
|
|
* @since Moodle 3.2
|
|
*/
|
|
function course_get_user_administration_options($course, $context) {
|
|
global $CFG;
|
|
$isfrontpage = $course->id == SITEID;
|
|
$completionenabled = $CFG->enablecompletion && $course->enablecompletion;
|
|
$hascompletionoptions = count(core_completion\manager::get_available_completion_options($course->id)) > 0;
|
|
$options = new stdClass;
|
|
$options->update = has_capability('moodle/course:update', $context);
|
|
$options->editcompletion = $CFG->enablecompletion && $course->enablecompletion &&
|
|
($options->update || $hascompletionoptions);
|
|
$options->filters = has_capability('moodle/filter:manage', $context) &&
|
|
count(filter_get_available_in_context($context)) > 0;
|
|
$options->reports = has_capability('moodle/site:viewreports', $context);
|
|
$options->backup = has_capability('moodle/backup:backupcourse', $context);
|
|
$options->restore = has_capability('moodle/restore:restorecourse', $context);
|
|
$options->copy = \core_course\management\helper::can_copy_course($course->id);
|
|
$options->files = ($course->legacyfiles == 2 && has_capability('moodle/course:managefiles', $context));
|
|
|
|
if (!$isfrontpage) {
|
|
$options->tags = has_capability('moodle/course:tag', $context);
|
|
$options->gradebook = has_capability('moodle/grade:manage', $context);
|
|
$options->outcomes = !empty($CFG->enableoutcomes) && has_capability('moodle/course:update', $context);
|
|
$options->badges = !empty($CFG->enablebadges);
|
|
$options->import = has_capability('moodle/restore:restoretargetimport', $context);
|
|
$options->reset = has_capability('moodle/course:reset', $context);
|
|
$options->roles = has_capability('moodle/role:switchroles', $context);
|
|
} else {
|
|
// Set default options to false.
|
|
$listofoptions = array('tags', 'gradebook', 'outcomes', 'badges', 'import', 'publish', 'reset', 'roles', 'grades');
|
|
|
|
foreach ($listofoptions as $option) {
|
|
$options->$option = false;
|
|
}
|
|
}
|
|
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Validates course start and end dates.
|
|
*
|
|
* Checks that the end course date is not greater than the start course date.
|
|
*
|
|
* $coursedata['startdate'] or $coursedata['enddate'] may not be set, it depends on the form and user input.
|
|
*
|
|
* @param array $coursedata May contain startdate and enddate timestamps, depends on the user input.
|
|
* @return mixed False if everything alright, error codes otherwise.
|
|
*/
|
|
function course_validate_dates($coursedata) {
|
|
|
|
// If both start and end dates are set end date should be later than the start date.
|
|
if (!empty($coursedata['startdate']) && !empty($coursedata['enddate']) &&
|
|
($coursedata['enddate'] < $coursedata['startdate'])) {
|
|
return 'enddatebeforestartdate';
|
|
}
|
|
|
|
// If start date is not set end date can not be set.
|
|
if (empty($coursedata['startdate']) && !empty($coursedata['enddate'])) {
|
|
return 'nostartdatenoenddate';
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check for course updates in the given context level instances (only modules supported right Now)
|
|
*
|
|
* @param stdClass $course course object
|
|
* @param array $tocheck instances to check for updates
|
|
* @param array $filter check only for updates in these areas
|
|
* @return array list of warnings and instances with updates information
|
|
* @since Moodle 3.2
|
|
*/
|
|
function course_check_updates($course, $tocheck, $filter = array()) {
|
|
global $CFG, $DB;
|
|
|
|
$instances = array();
|
|
$warnings = array();
|
|
$modulescallbacksupport = array();
|
|
$modinfo = get_fast_modinfo($course);
|
|
|
|
$supportedplugins = get_plugin_list_with_function('mod', 'check_updates_since');
|
|
|
|
// Check instances.
|
|
foreach ($tocheck as $instance) {
|
|
if ($instance['contextlevel'] == 'module') {
|
|
// Check module visibility.
|
|
try {
|
|
$cm = $modinfo->get_cm($instance['id']);
|
|
} catch (Exception $e) {
|
|
$warnings[] = array(
|
|
'item' => 'module',
|
|
'itemid' => $instance['id'],
|
|
'warningcode' => 'cmidnotincourse',
|
|
'message' => 'This module id does not belong to this course.'
|
|
);
|
|
continue;
|
|
}
|
|
|
|
if (!$cm->uservisible) {
|
|
$warnings[] = array(
|
|
'item' => 'module',
|
|
'itemid' => $instance['id'],
|
|
'warningcode' => 'nonuservisible',
|
|
'message' => 'You don\'t have access to this module.'
|
|
);
|
|
continue;
|
|
}
|
|
if (empty($supportedplugins['mod_' . $cm->modname])) {
|
|
$warnings[] = array(
|
|
'item' => 'module',
|
|
'itemid' => $instance['id'],
|
|
'warningcode' => 'missingcallback',
|
|
'message' => 'This module does not implement the check_updates_since callback: ' . $instance['contextlevel'],
|
|
);
|
|
continue;
|
|
}
|
|
// Retrieve the module instance.
|
|
$instances[] = array(
|
|
'contextlevel' => $instance['contextlevel'],
|
|
'id' => $instance['id'],
|
|
'updates' => call_user_func($cm->modname . '_check_updates_since', $cm, $instance['since'], $filter)
|
|
);
|
|
|
|
} else {
|
|
$warnings[] = array(
|
|
'item' => 'contextlevel',
|
|
'itemid' => $instance['id'],
|
|
'warningcode' => 'contextlevelnotsupported',
|
|
'message' => 'Context level not yet supported ' . $instance['contextlevel'],
|
|
);
|
|
}
|
|
}
|
|
return array($instances, $warnings);
|
|
}
|
|
|
|
/**
|
|
* This function classifies a course as past, in progress or future.
|
|
*
|
|
* This function may incur a DB hit to calculate course completion.
|
|
* @param stdClass $course Course record
|
|
* @param stdClass $user User record (optional - defaults to $USER).
|
|
* @param completion_info $completioninfo Completion record for the user (optional - will be fetched if required).
|
|
* @return string (one of COURSE_TIMELINE_FUTURE, COURSE_TIMELINE_INPROGRESS or COURSE_TIMELINE_PAST)
|
|
*/
|
|
function course_classify_for_timeline($course, $user = null, $completioninfo = null) {
|
|
global $USER;
|
|
|
|
if ($user == null) {
|
|
$user = $USER;
|
|
}
|
|
|
|
if ($completioninfo == null) {
|
|
$completioninfo = new completion_info($course);
|
|
}
|
|
|
|
// Let plugins override data for timeline classification.
|
|
$pluginsfunction = get_plugins_with_function('extend_course_classify_for_timeline', 'lib.php');
|
|
foreach ($pluginsfunction as $plugintype => $plugins) {
|
|
foreach ($plugins as $pluginfunction) {
|
|
$pluginfunction($course, $user, $completioninfo);
|
|
}
|
|
}
|
|
|
|
$today = time();
|
|
// End date past.
|
|
if (!empty($course->enddate) && (course_classify_end_date($course) < $today)) {
|
|
return COURSE_TIMELINE_PAST;
|
|
}
|
|
|
|
// Course was completed.
|
|
if ($completioninfo->is_enabled() && $completioninfo->is_course_complete($user->id)) {
|
|
return COURSE_TIMELINE_PAST;
|
|
}
|
|
|
|
// Start date not reached.
|
|
if (!empty($course->startdate) && (course_classify_start_date($course) > $today)) {
|
|
return COURSE_TIMELINE_FUTURE;
|
|
}
|
|
|
|
// Everything else is in progress.
|
|
return COURSE_TIMELINE_INPROGRESS;
|
|
}
|
|
|
|
/**
|
|
* This function calculates the end date to use for display classification purposes,
|
|
* incorporating the grace period, if any.
|
|
*
|
|
* @param stdClass $course The course record.
|
|
* @return int The new enddate.
|
|
*/
|
|
function course_classify_end_date($course) {
|
|
global $CFG;
|
|
$coursegraceperiodafter = (empty($CFG->coursegraceperiodafter)) ? 0 : $CFG->coursegraceperiodafter;
|
|
$enddate = (new \DateTimeImmutable())->setTimestamp($course->enddate)->modify("+{$coursegraceperiodafter} days");
|
|
return $enddate->getTimestamp();
|
|
}
|
|
|
|
/**
|
|
* This function calculates the start date to use for display classification purposes,
|
|
* incorporating the grace period, if any.
|
|
*
|
|
* @param stdClass $course The course record.
|
|
* @return int The new startdate.
|
|
*/
|
|
function course_classify_start_date($course) {
|
|
global $CFG;
|
|
$coursegraceperiodbefore = (empty($CFG->coursegraceperiodbefore)) ? 0 : $CFG->coursegraceperiodbefore;
|
|
$startdate = (new \DateTimeImmutable())->setTimestamp($course->startdate)->modify("-{$coursegraceperiodbefore} days");
|
|
return $startdate->getTimestamp();
|
|
}
|
|
|
|
/**
|
|
* Group a list of courses into either past, future, or in progress.
|
|
*
|
|
* The return value will be an array indexed by the COURSE_TIMELINE_* constants
|
|
* with each value being an array of courses in that group.
|
|
* E.g.
|
|
* [
|
|
* COURSE_TIMELINE_PAST => [... list of past courses ...],
|
|
* COURSE_TIMELINE_FUTURE => [],
|
|
* COURSE_TIMELINE_INPROGRESS => []
|
|
* ]
|
|
*
|
|
* @param array $courses List of courses to be grouped.
|
|
* @return array
|
|
*/
|
|
function course_classify_courses_for_timeline(array $courses) {
|
|
return array_reduce($courses, function($carry, $course) {
|
|
$classification = course_classify_for_timeline($course);
|
|
array_push($carry[$classification], $course);
|
|
|
|
return $carry;
|
|
}, [
|
|
COURSE_TIMELINE_PAST => [],
|
|
COURSE_TIMELINE_FUTURE => [],
|
|
COURSE_TIMELINE_INPROGRESS => []
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Get the list of enrolled courses for the current user.
|
|
*
|
|
* This function returns a Generator. The courses will be loaded from the database
|
|
* in chunks rather than a single query.
|
|
*
|
|
* @param int $limit Restrict result set to this amount
|
|
* @param int $offset Skip this number of records from the start of the result set
|
|
* @param string|null $sort SQL string for sorting
|
|
* @param string|null $fields SQL string for fields to be returned
|
|
* @param int $dbquerylimit The number of records to load per DB request
|
|
* @param array $includecourses courses ids to be restricted
|
|
* @param array $hiddencourses courses ids to be excluded
|
|
* @return Generator
|
|
*/
|
|
function course_get_enrolled_courses_for_logged_in_user(
|
|
int $limit = 0,
|
|
int $offset = 0,
|
|
string $sort = null,
|
|
string $fields = null,
|
|
int $dbquerylimit = COURSE_DB_QUERY_LIMIT,
|
|
array $includecourses = [],
|
|
array $hiddencourses = []
|
|
): Generator {
|
|
|
|
$haslimit = !empty($limit);
|
|
$recordsloaded = 0;
|
|
$querylimit = (!$haslimit || $limit > $dbquerylimit) ? $dbquerylimit : $limit;
|
|
|
|
while ($courses = enrol_get_my_courses($fields, $sort, $querylimit, $includecourses, false, $offset, $hiddencourses)) {
|
|
yield from $courses;
|
|
|
|
$recordsloaded += $querylimit;
|
|
|
|
if (count($courses) < $querylimit) {
|
|
break;
|
|
}
|
|
if ($haslimit && $recordsloaded >= $limit) {
|
|
break;
|
|
}
|
|
|
|
$offset += $querylimit;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the list of enrolled courses the current user searched for.
|
|
*
|
|
* This function returns a Generator. The courses will be loaded from the database
|
|
* in chunks rather than a single query.
|
|
*
|
|
* @param int $limit Restrict result set to this amount
|
|
* @param int $offset Skip this number of records from the start of the result set
|
|
* @param string|null $sort SQL string for sorting
|
|
* @param string|null $fields SQL string for fields to be returned
|
|
* @param int $dbquerylimit The number of records to load per DB request
|
|
* @param array $searchcriteria contains search criteria
|
|
* @param array $options display options, same as in get_courses() except 'recursive' is ignored -
|
|
* search is always category-independent
|
|
* @return Generator
|
|
*/
|
|
function course_get_enrolled_courses_for_logged_in_user_from_search(
|
|
int $limit = 0,
|
|
int $offset = 0,
|
|
string $sort = null,
|
|
string $fields = null,
|
|
int $dbquerylimit = COURSE_DB_QUERY_LIMIT,
|
|
array $searchcriteria = [],
|
|
array $options = []
|
|
): Generator {
|
|
|
|
$haslimit = !empty($limit);
|
|
$recordsloaded = 0;
|
|
$querylimit = (!$haslimit || $limit > $dbquerylimit) ? $dbquerylimit : $limit;
|
|
$ids = core_course_category::search_courses($searchcriteria, $options);
|
|
|
|
// If no courses were found matching the criteria return back.
|
|
if (empty($ids)) {
|
|
return;
|
|
}
|
|
|
|
while ($courses = enrol_get_my_courses($fields, $sort, $querylimit, $ids, false, $offset)) {
|
|
yield from $courses;
|
|
|
|
$recordsloaded += $querylimit;
|
|
|
|
if (count($courses) < $querylimit) {
|
|
break;
|
|
}
|
|
if ($haslimit && $recordsloaded >= $limit) {
|
|
break;
|
|
}
|
|
|
|
$offset += $querylimit;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Search the given $courses for any that match the given $classification up to the specified
|
|
* $limit.
|
|
*
|
|
* This function will return the subset of courses that match the classification as well as the
|
|
* number of courses it had to process to build that subset.
|
|
*
|
|
* It is recommended that for larger sets of courses this function is given a Generator that loads
|
|
* the courses from the database in chunks.
|
|
*
|
|
* @param array|Traversable $courses List of courses to process
|
|
* @param string $classification One of the COURSE_TIMELINE_* constants
|
|
* @param int $limit Limit the number of results to this amount
|
|
* @return array First value is the filtered courses, second value is the number of courses processed
|
|
*/
|
|
function course_filter_courses_by_timeline_classification(
|
|
$courses,
|
|
string $classification,
|
|
int $limit = 0
|
|
): array {
|
|
|
|
if (!in_array($classification,
|
|
[COURSE_TIMELINE_ALLINCLUDINGHIDDEN, COURSE_TIMELINE_ALL, COURSE_TIMELINE_PAST, COURSE_TIMELINE_INPROGRESS,
|
|
COURSE_TIMELINE_FUTURE, COURSE_TIMELINE_HIDDEN, COURSE_TIMELINE_SEARCH])) {
|
|
$message = 'Classification must be one of COURSE_TIMELINE_ALLINCLUDINGHIDDEN, COURSE_TIMELINE_ALL, COURSE_TIMELINE_PAST, '
|
|
. 'COURSE_TIMELINE_INPROGRESS, COURSE_TIMELINE_SEARCH or COURSE_TIMELINE_FUTURE';
|
|
throw new moodle_exception($message);
|
|
}
|
|
|
|
$filteredcourses = [];
|
|
$numberofcoursesprocessed = 0;
|
|
$filtermatches = 0;
|
|
|
|
foreach ($courses as $course) {
|
|
$numberofcoursesprocessed++;
|
|
$pref = get_user_preferences('block_myoverview_hidden_course_' . $course->id, 0);
|
|
|
|
// Added as of MDL-63457 toggle viewability for each user.
|
|
if ($classification == COURSE_TIMELINE_ALLINCLUDINGHIDDEN || ($classification == COURSE_TIMELINE_HIDDEN && $pref) ||
|
|
$classification == COURSE_TIMELINE_SEARCH||
|
|
(($classification == COURSE_TIMELINE_ALL || $classification == course_classify_for_timeline($course)) && !$pref)) {
|
|
$filteredcourses[] = $course;
|
|
$filtermatches++;
|
|
}
|
|
|
|
if ($limit && $filtermatches >= $limit) {
|
|
// We've found the number of requested courses. No need to continue searching.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Return the number of filtered courses as well as the number of courses that were searched
|
|
// in order to find the matching courses. This allows the calling code to do some kind of
|
|
// pagination.
|
|
return [$filteredcourses, $numberofcoursesprocessed];
|
|
}
|
|
|
|
/**
|
|
* Search the given $courses for any that match the given $classification up to the specified
|
|
* $limit.
|
|
*
|
|
* This function will return the subset of courses that are favourites as well as the
|
|
* number of courses it had to process to build that subset.
|
|
*
|
|
* It is recommended that for larger sets of courses this function is given a Generator that loads
|
|
* the courses from the database in chunks.
|
|
*
|
|
* @param array|Traversable $courses List of courses to process
|
|
* @param array $favouritecourseids Array of favourite courses.
|
|
* @param int $limit Limit the number of results to this amount
|
|
* @return array First value is the filtered courses, second value is the number of courses processed
|
|
*/
|
|
function course_filter_courses_by_favourites(
|
|
$courses,
|
|
$favouritecourseids,
|
|
int $limit = 0
|
|
): array {
|
|
|
|
$filteredcourses = [];
|
|
$numberofcoursesprocessed = 0;
|
|
$filtermatches = 0;
|
|
|
|
foreach ($courses as $course) {
|
|
$numberofcoursesprocessed++;
|
|
|
|
if (in_array($course->id, $favouritecourseids)) {
|
|
$filteredcourses[] = $course;
|
|
$filtermatches++;
|
|
}
|
|
|
|
if ($limit && $filtermatches >= $limit) {
|
|
// We've found the number of requested courses. No need to continue searching.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Return the number of filtered courses as well as the number of courses that were searched
|
|
// in order to find the matching courses. This allows the calling code to do some kind of
|
|
// pagination.
|
|
return [$filteredcourses, $numberofcoursesprocessed];
|
|
}
|
|
|
|
/**
|
|
* Search the given $courses for any that have a $customfieldname value that matches the given
|
|
* $customfieldvalue, up to the specified $limit.
|
|
*
|
|
* This function will return the subset of courses that matches the value as well as the
|
|
* number of courses it had to process to build that subset.
|
|
*
|
|
* It is recommended that for larger sets of courses this function is given a Generator that loads
|
|
* the courses from the database in chunks.
|
|
*
|
|
* @param array|Traversable $courses List of courses to process
|
|
* @param string $customfieldname the shortname of the custom field to match against
|
|
* @param string $customfieldvalue the value this custom field needs to match
|
|
* @param int $limit Limit the number of results to this amount
|
|
* @return array First value is the filtered courses, second value is the number of courses processed
|
|
*/
|
|
function course_filter_courses_by_customfield(
|
|
$courses,
|
|
$customfieldname,
|
|
$customfieldvalue,
|
|
int $limit = 0
|
|
): array {
|
|
global $DB;
|
|
|
|
if (!$courses) {
|
|
return [[], 0];
|
|
}
|
|
|
|
// Prepare the list of courses to search through.
|
|
$coursesbyid = [];
|
|
foreach ($courses as $course) {
|
|
$coursesbyid[$course->id] = $course;
|
|
}
|
|
if (!$coursesbyid) {
|
|
return [[], 0];
|
|
}
|
|
list($csql, $params) = $DB->get_in_or_equal(array_keys($coursesbyid), SQL_PARAMS_NAMED);
|
|
|
|
// Get the id of the custom field.
|
|
$sql = "
|
|
SELECT f.id
|
|
FROM {customfield_field} f
|
|
JOIN {customfield_category} cat ON cat.id = f.categoryid
|
|
WHERE f.shortname = ?
|
|
AND cat.component = 'core_course'
|
|
AND cat.area = 'course'
|
|
";
|
|
$fieldid = $DB->get_field_sql($sql, [$customfieldname]);
|
|
if (!$fieldid) {
|
|
return [[], 0];
|
|
}
|
|
|
|
// Get a list of courseids that match that custom field value.
|
|
if ($customfieldvalue == COURSE_CUSTOMFIELD_EMPTY) {
|
|
$comparevalue = $DB->sql_compare_text('cd.value');
|
|
$sql = "
|
|
SELECT c.id
|
|
FROM {course} c
|
|
LEFT JOIN {customfield_data} cd ON cd.instanceid = c.id AND cd.fieldid = :fieldid
|
|
WHERE c.id $csql
|
|
AND (cd.value IS NULL OR $comparevalue = '' OR $comparevalue = '0')
|
|
";
|
|
$params['fieldid'] = $fieldid;
|
|
$matchcourseids = $DB->get_fieldset_sql($sql, $params);
|
|
} else {
|
|
$comparevalue = $DB->sql_compare_text('value');
|
|
$select = "fieldid = :fieldid AND $comparevalue = :customfieldvalue AND instanceid $csql";
|
|
$params['fieldid'] = $fieldid;
|
|
$params['customfieldvalue'] = $customfieldvalue;
|
|
$matchcourseids = $DB->get_fieldset_select('customfield_data', 'instanceid', $select, $params);
|
|
}
|
|
|
|
// Prepare the list of courses to return.
|
|
$filteredcourses = [];
|
|
$numberofcoursesprocessed = 0;
|
|
$filtermatches = 0;
|
|
|
|
foreach ($coursesbyid as $course) {
|
|
$numberofcoursesprocessed++;
|
|
|
|
if (in_array($course->id, $matchcourseids)) {
|
|
$filteredcourses[] = $course;
|
|
$filtermatches++;
|
|
}
|
|
|
|
if ($limit && $filtermatches >= $limit) {
|
|
// We've found the number of requested courses. No need to continue searching.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Return the number of filtered courses as well as the number of courses that were searched
|
|
// in order to find the matching courses. This allows the calling code to do some kind of
|
|
// pagination.
|
|
return [$filteredcourses, $numberofcoursesprocessed];
|
|
}
|
|
|
|
/**
|
|
* Check module updates since a given time.
|
|
* This function checks for updates in the module config, file areas, completion, grades, comments and ratings.
|
|
*
|
|
* @param cm_info $cm course module data
|
|
* @param int $from the time to check
|
|
* @param array $fileareas additional file ares to check
|
|
* @param array $filter if we need to filter and return only selected updates
|
|
* @return stdClass object with the different updates
|
|
* @since Moodle 3.2
|
|
*/
|
|
function course_check_module_updates_since($cm, $from, $fileareas = array(), $filter = array()) {
|
|
global $DB, $CFG, $USER;
|
|
|
|
$context = $cm->context;
|
|
$mod = $DB->get_record($cm->modname, array('id' => $cm->instance), '*', MUST_EXIST);
|
|
|
|
$updates = new stdClass();
|
|
$course = get_course($cm->course);
|
|
$component = 'mod_' . $cm->modname;
|
|
|
|
// Check changes in the module configuration.
|
|
if (isset($mod->timemodified) and (empty($filter) or in_array('configuration', $filter))) {
|
|
$updates->configuration = (object) array('updated' => false);
|
|
if ($updates->configuration->updated = $mod->timemodified > $from) {
|
|
$updates->configuration->timeupdated = $mod->timemodified;
|
|
}
|
|
}
|
|
|
|
// Check for updates in files.
|
|
if (plugin_supports('mod', $cm->modname, FEATURE_MOD_INTRO)) {
|
|
$fileareas[] = 'intro';
|
|
}
|
|
if (!empty($fileareas) and (empty($filter) or in_array('fileareas', $filter))) {
|
|
$fs = get_file_storage();
|
|
$files = $fs->get_area_files($context->id, $component, $fileareas, false, "filearea, timemodified DESC", false, $from);
|
|
foreach ($fileareas as $filearea) {
|
|
$updates->{$filearea . 'files'} = (object) array('updated' => false);
|
|
}
|
|
foreach ($files as $file) {
|
|
$updates->{$file->get_filearea() . 'files'}->updated = true;
|
|
$updates->{$file->get_filearea() . 'files'}->itemids[] = $file->get_id();
|
|
}
|
|
}
|
|
|
|
// Check completion.
|
|
$supportcompletion = plugin_supports('mod', $cm->modname, FEATURE_COMPLETION_HAS_RULES);
|
|
$supportcompletion = $supportcompletion or plugin_supports('mod', $cm->modname, FEATURE_COMPLETION_TRACKS_VIEWS);
|
|
if ($supportcompletion and (empty($filter) or in_array('completion', $filter))) {
|
|
$updates->completion = (object) array('updated' => false);
|
|
$completion = new completion_info($course);
|
|
// Use wholecourse to cache all the modules the first time.
|
|
$completiondata = $completion->get_data($cm, true);
|
|
if ($updates->completion->updated = !empty($completiondata->timemodified) && $completiondata->timemodified > $from) {
|
|
$updates->completion->timemodified = $completiondata->timemodified;
|
|
}
|
|
}
|
|
|
|
// Check grades.
|
|
$supportgrades = plugin_supports('mod', $cm->modname, FEATURE_GRADE_HAS_GRADE);
|
|
$supportgrades = $supportgrades or plugin_supports('mod', $cm->modname, FEATURE_GRADE_OUTCOMES);
|
|
if ($supportgrades and (empty($filter) or (in_array('gradeitems', $filter) or in_array('outcomes', $filter)))) {
|
|
require_once($CFG->libdir . '/gradelib.php');
|
|
$grades = grade_get_grades($course->id, 'mod', $cm->modname, $mod->id, $USER->id);
|
|
|
|
if (empty($filter) or in_array('gradeitems', $filter)) {
|
|
$updates->gradeitems = (object) array('updated' => false);
|
|
foreach ($grades->items as $gradeitem) {
|
|
foreach ($gradeitem->grades as $grade) {
|
|
if ($grade->datesubmitted > $from or $grade->dategraded > $from) {
|
|
$updates->gradeitems->updated = true;
|
|
$updates->gradeitems->itemids[] = $gradeitem->id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($filter) or in_array('outcomes', $filter)) {
|
|
$updates->outcomes = (object) array('updated' => false);
|
|
foreach ($grades->outcomes as $outcome) {
|
|
foreach ($outcome->grades as $grade) {
|
|
if ($grade->datesubmitted > $from or $grade->dategraded > $from) {
|
|
$updates->outcomes->updated = true;
|
|
$updates->outcomes->itemids[] = $outcome->id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check comments.
|
|
if (plugin_supports('mod', $cm->modname, FEATURE_COMMENT) and (empty($filter) or in_array('comments', $filter))) {
|
|
$updates->comments = (object) array('updated' => false);
|
|
require_once($CFG->dirroot . '/comment/lib.php');
|
|
require_once($CFG->dirroot . '/comment/locallib.php');
|
|
$manager = new comment_manager();
|
|
$comments = $manager->get_component_comments_since($course, $context, $component, $from, $cm);
|
|
if (!empty($comments)) {
|
|
$updates->comments->updated = true;
|
|
$updates->comments->itemids = array_keys($comments);
|
|
}
|
|
}
|
|
|
|
// Check ratings.
|
|
if (plugin_supports('mod', $cm->modname, FEATURE_RATE) and (empty($filter) or in_array('ratings', $filter))) {
|
|
$updates->ratings = (object) array('updated' => false);
|
|
require_once($CFG->dirroot . '/rating/lib.php');
|
|
$manager = new rating_manager();
|
|
$ratings = $manager->get_component_ratings_since($context, $component, $from);
|
|
if (!empty($ratings)) {
|
|
$updates->ratings->updated = true;
|
|
$updates->ratings->itemids = array_keys($ratings);
|
|
}
|
|
}
|
|
|
|
return $updates;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the user can view the participant page, false otherwise,
|
|
*
|
|
* @param context $context The context we are checking.
|
|
* @return bool
|
|
*/
|
|
function course_can_view_participants($context) {
|
|
$viewparticipantscap = 'moodle/course:viewparticipants';
|
|
if ($context->contextlevel == CONTEXT_SYSTEM) {
|
|
$viewparticipantscap = 'moodle/site:viewparticipants';
|
|
}
|
|
|
|
return has_any_capability([$viewparticipantscap, 'moodle/course:enrolreview'], $context);
|
|
}
|
|
|
|
/**
|
|
* Checks if a user can view the participant page, if not throws an exception.
|
|
*
|
|
* @param context $context The context we are checking.
|
|
* @throws required_capability_exception
|
|
*/
|
|
function course_require_view_participants($context) {
|
|
if (!course_can_view_participants($context)) {
|
|
$viewparticipantscap = 'moodle/course:viewparticipants';
|
|
if ($context->contextlevel == CONTEXT_SYSTEM) {
|
|
$viewparticipantscap = 'moodle/site:viewparticipants';
|
|
}
|
|
throw new required_capability_exception($context, $viewparticipantscap, 'nopermissions', '');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return whether the user can download from the specified backup file area in the given context.
|
|
*
|
|
* @param string $filearea the backup file area. E.g. 'course', 'backup' or 'automated'.
|
|
* @param \context $context
|
|
* @param stdClass $user the user object. If not provided, the current user will be checked.
|
|
* @return bool true if the user is allowed to download in the context, false otherwise.
|
|
*/
|
|
function can_download_from_backup_filearea($filearea, \context $context, stdClass $user = null) {
|
|
$candownload = false;
|
|
switch ($filearea) {
|
|
case 'course':
|
|
case 'backup':
|
|
$candownload = has_capability('moodle/backup:downloadfile', $context, $user);
|
|
break;
|
|
case 'automated':
|
|
// Given the automated backups may contain userinfo, we restrict access such that only users who are able to
|
|
// restore with userinfo are able to download the file. Users can't create these backups, so checking 'backup:userinfo'
|
|
// doesn't make sense here.
|
|
$candownload = has_capability('moodle/backup:downloadfile', $context, $user) &&
|
|
has_capability('moodle/restore:userinfo', $context, $user);
|
|
break;
|
|
default:
|
|
break;
|
|
|
|
}
|
|
return $candownload;
|
|
}
|
|
|
|
/**
|
|
* Get a list of hidden courses
|
|
*
|
|
* @param int|object|null $user User override to get the filter from. Defaults to current user
|
|
* @return array $ids List of hidden courses
|
|
* @throws coding_exception
|
|
*/
|
|
function get_hidden_courses_on_timeline($user = null) {
|
|
global $USER;
|
|
|
|
if (empty($user)) {
|
|
$user = $USER->id;
|
|
}
|
|
|
|
$preferences = get_user_preferences(null, null, $user);
|
|
$ids = [];
|
|
foreach ($preferences as $key => $value) {
|
|
if (preg_match('/block_myoverview_hidden_course_(\d)+/', $key)) {
|
|
$id = preg_split('/block_myoverview_hidden_course_/', $key);
|
|
$ids[] = $id[1];
|
|
}
|
|
}
|
|
|
|
return $ids;
|
|
}
|
|
|
|
/**
|
|
* Returns a list of the most recently courses accessed by a user
|
|
*
|
|
* @param int $userid User id from which the courses will be obtained
|
|
* @param int $limit Restrict result set to this amount
|
|
* @param int $offset Skip this number of records from the start of the result set
|
|
* @param string|null $sort SQL string for sorting
|
|
* @return array
|
|
*/
|
|
function course_get_recent_courses(int $userid = null, int $limit = 0, int $offset = 0, string $sort = null) {
|
|
|
|
global $CFG, $USER, $DB;
|
|
|
|
if (empty($userid)) {
|
|
$userid = $USER->id;
|
|
}
|
|
|
|
$basefields = [
|
|
'id', 'idnumber', 'summary', 'summaryformat', 'startdate', 'enddate', 'category',
|
|
'shortname', 'fullname', 'timeaccess', 'component', 'visible',
|
|
'showactivitydates', 'showcompletionconditions', 'pdfexportfont'
|
|
];
|
|
|
|
if (empty($sort)) {
|
|
$sort = 'timeaccess DESC';
|
|
} else {
|
|
// The SQL string for sorting can define sorting by multiple columns.
|
|
$rawsorts = explode(',', $sort);
|
|
$sorts = array();
|
|
// Validate and trim the sort parameters in the SQL string for sorting.
|
|
foreach ($rawsorts as $rawsort) {
|
|
$sort = trim($rawsort);
|
|
$sortparams = explode(' ', $sort);
|
|
// A valid sort statement can not have more than 2 params (ex. 'summary desc' or 'timeaccess').
|
|
if (count($sortparams) > 2) {
|
|
throw new invalid_parameter_exception(
|
|
'Invalid structure of the sort parameter, allowed structure: fieldname [ASC|DESC].');
|
|
}
|
|
$sortfield = trim($sortparams[0]);
|
|
// Validate the value which defines the field to sort by.
|
|
if (!in_array($sortfield, $basefields)) {
|
|
throw new invalid_parameter_exception('Invalid field in the sort parameter, allowed fields: ' .
|
|
implode(', ', $basefields) . '.');
|
|
}
|
|
$sortdirection = isset($sortparams[1]) ? trim($sortparams[1]) : '';
|
|
// Validate the value which defines the sort direction (if present).
|
|
$allowedsortdirections = ['asc', 'desc'];
|
|
if (!empty($sortdirection) && !in_array(strtolower($sortdirection), $allowedsortdirections)) {
|
|
throw new invalid_parameter_exception('Invalid sort direction in the sort parameter, allowed values: ' .
|
|
implode(', ', $allowedsortdirections) . '.');
|
|
}
|
|
$sorts[] = $sort;
|
|
}
|
|
$sort = implode(',', $sorts);
|
|
}
|
|
|
|
$ctxfields = context_helper::get_preload_record_columns_sql('ctx');
|
|
|
|
$coursefields = 'c.' . join(',', $basefields);
|
|
|
|
// Ask the favourites service to give us the join SQL for favourited courses,
|
|
// so we can include favourite information in the query.
|
|
$usercontext = \context_user::instance($userid);
|
|
$favservice = \core_favourites\service_factory::get_service_for_user_context($usercontext);
|
|
list($favsql, $favparams) = $favservice->get_join_sql_by_type('core_course', 'courses', 'fav', 'ul.courseid');
|
|
|
|
$sql = "SELECT $coursefields, $ctxfields
|
|
FROM {course} c
|
|
JOIN {context} ctx
|
|
ON ctx.contextlevel = :contextlevel
|
|
AND ctx.instanceid = c.id
|
|
JOIN {user_lastaccess} ul
|
|
ON ul.courseid = c.id
|
|
$favsql
|
|
LEFT JOIN {enrol} eg ON eg.courseid = c.id AND eg.status = :statusenrolg AND eg.enrol = :guestenrol
|
|
WHERE ul.userid = :userid
|
|
AND c.visible = :visible
|
|
AND (eg.id IS NOT NULL
|
|
OR EXISTS (SELECT e.id
|
|
FROM {enrol} e
|
|
JOIN {user_enrolments} ue ON ue.enrolid = e.id
|
|
WHERE e.courseid = c.id
|
|
AND e.status = :statusenrol
|
|
AND ue.status = :status
|
|
AND ue.userid = :userid2
|
|
AND ue.timestart < :now1
|
|
AND (ue.timeend = 0 OR ue.timeend > :now2)
|
|
))
|
|
ORDER BY $sort";
|
|
|
|
$now = round(time(), -2); // Improves db caching.
|
|
$params = ['userid' => $userid, 'contextlevel' => CONTEXT_COURSE, 'visible' => 1, 'status' => ENROL_USER_ACTIVE,
|
|
'statusenrol' => ENROL_INSTANCE_ENABLED, 'guestenrol' => 'guest', 'now1' => $now, 'now2' => $now,
|
|
'userid2' => $userid, 'statusenrolg' => ENROL_INSTANCE_ENABLED] + $favparams;
|
|
|
|
$recentcourses = $DB->get_records_sql($sql, $params, $offset, $limit);
|
|
|
|
// Filter courses if last access field is hidden.
|
|
$hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
|
|
|
|
if ($userid != $USER->id && isset($hiddenfields['lastaccess'])) {
|
|
$recentcourses = array_filter($recentcourses, function($course) {
|
|
context_helper::preload_from_record($course);
|
|
$context = context_course::instance($course->id, IGNORE_MISSING);
|
|
// If last access was a hidden field, a user requesting info about another user would need permission to view hidden
|
|
// fields.
|
|
return has_capability('moodle/course:viewhiddenuserfields', $context);
|
|
});
|
|
}
|
|
|
|
return $recentcourses;
|
|
}
|
|
|
|
/**
|
|
* Calculate the course start date and offset for the given user ids.
|
|
*
|
|
* If the course is a fixed date course then the course start date will be returned.
|
|
* If the course is a relative date course then the course date will be calculated and
|
|
* and offset provided.
|
|
*
|
|
* The dates are returned as an array with the index being the user id. The array
|
|
* contains the start date and start offset values for the user.
|
|
*
|
|
* If the user is not enrolled in the course then the course start date will be returned.
|
|
*
|
|
* If we have a course which starts on 1563244000 and 2 users, id 123 and 456, where the
|
|
* former is enrolled in the course at 1563244693 and the latter is not enrolled then the
|
|
* return value would look like:
|
|
* [
|
|
* '123' => [
|
|
* 'start' => 1563244693,
|
|
* 'startoffset' => 693
|
|
* ],
|
|
* '456' => [
|
|
* 'start' => 1563244000,
|
|
* 'startoffset' => 0
|
|
* ]
|
|
* ]
|
|
*
|
|
* @param stdClass $course The course to fetch dates for.
|
|
* @param array $userids The list of user ids to get dates for.
|
|
* @return array
|
|
*/
|
|
function course_get_course_dates_for_user_ids(stdClass $course, array $userids): array {
|
|
if (empty($course->relativedatesmode)) {
|
|
// This course isn't set to relative dates so we can early return with the course
|
|
// start date.
|
|
return array_reduce($userids, function($carry, $userid) use ($course) {
|
|
$carry[$userid] = [
|
|
'start' => $course->startdate,
|
|
'startoffset' => 0
|
|
];
|
|
return $carry;
|
|
}, []);
|
|
}
|
|
|
|
// We're dealing with a relative dates course now so we need to calculate some dates.
|
|
$cache = cache::make('core', 'course_user_dates');
|
|
$dates = [];
|
|
$uncacheduserids = [];
|
|
|
|
// Try fetching the values from the cache so that we don't need to do a DB request.
|
|
foreach ($userids as $userid) {
|
|
$cachekey = "{$course->id}_{$userid}";
|
|
$cachedvalue = $cache->get($cachekey);
|
|
|
|
if ($cachedvalue === false) {
|
|
// Looks like we haven't seen this user for this course before so we'll have
|
|
// to fetch it.
|
|
$uncacheduserids[] = $userid;
|
|
} else {
|
|
[$start, $startoffset] = $cachedvalue;
|
|
$dates[$userid] = [
|
|
'start' => $start,
|
|
'startoffset' => $startoffset
|
|
];
|
|
}
|
|
}
|
|
|
|
if (!empty($uncacheduserids)) {
|
|
// Load the enrolments for any users we haven't seen yet. Set the "onlyactive" param
|
|
// to false because it filters out users with enrolment start times in the future which
|
|
// we don't want.
|
|
$enrolments = enrol_get_course_users($course->id, false, $uncacheduserids);
|
|
|
|
foreach ($uncacheduserids as $userid) {
|
|
// Find the user enrolment that has the earliest start date.
|
|
$enrolment = array_reduce(array_values($enrolments), function($carry, $enrolment) use ($userid) {
|
|
// Only consider enrolments for this user if the user enrolment is active and the
|
|
// enrolment method is enabled.
|
|
if (
|
|
$enrolment->uestatus == ENROL_USER_ACTIVE &&
|
|
$enrolment->estatus == ENROL_INSTANCE_ENABLED &&
|
|
$enrolment->id == $userid
|
|
) {
|
|
if (is_null($carry)) {
|
|
// Haven't found an enrolment yet for this user so use the one we just found.
|
|
$carry = $enrolment;
|
|
} else {
|
|
// We've already found an enrolment for this user so let's use which ever one
|
|
// has the earliest start time.
|
|
$carry = $carry->uetimestart < $enrolment->uetimestart ? $carry : $enrolment;
|
|
}
|
|
}
|
|
|
|
return $carry;
|
|
}, null);
|
|
|
|
if ($enrolment) {
|
|
// The course is in relative dates mode so we calculate the student's start
|
|
// date based on their enrolment start date.
|
|
$start = $course->startdate > $enrolment->uetimestart ? $course->startdate : $enrolment->uetimestart;
|
|
$startoffset = $start - $course->startdate;
|
|
} else {
|
|
// The user is not enrolled in the course so default back to the course start date.
|
|
$start = $course->startdate;
|
|
$startoffset = 0;
|
|
}
|
|
|
|
$dates[$userid] = [
|
|
'start' => $start,
|
|
'startoffset' => $startoffset
|
|
];
|
|
|
|
$cachekey = "{$course->id}_{$userid}";
|
|
$cache->set($cachekey, [$start, $startoffset]);
|
|
}
|
|
}
|
|
|
|
return $dates;
|
|
}
|
|
|
|
/**
|
|
* Calculate the course start date and offset for the given user id.
|
|
*
|
|
* If the course is a fixed date course then the course start date will be returned.
|
|
* If the course is a relative date course then the course date will be calculated and
|
|
* and offset provided.
|
|
*
|
|
* The return array contains the start date and start offset values for the user.
|
|
*
|
|
* If the user is not enrolled in the course then the course start date will be returned.
|
|
*
|
|
* If we have a course which starts on 1563244000. If a user's enrolment starts on 1563244693
|
|
* then the return would be:
|
|
* [
|
|
* 'start' => 1563244693,
|
|
* 'startoffset' => 693
|
|
* ]
|
|
*
|
|
* If the use was not enrolled then the return would be:
|
|
* [
|
|
* 'start' => 1563244000,
|
|
* 'startoffset' => 0
|
|
* ]
|
|
*
|
|
* @param stdClass $course The course to fetch dates for.
|
|
* @param int $userid The user id to get dates for.
|
|
* @return array
|
|
*/
|
|
function course_get_course_dates_for_user_id(stdClass $course, int $userid): array {
|
|
return (course_get_course_dates_for_user_ids($course, [$userid]))[$userid];
|
|
}
|
|
|
|
/**
|
|
* Renders the course copy form for the modal on the course management screen.
|
|
*
|
|
* @param array $args
|
|
* @return string $o Form HTML.
|
|
*/
|
|
function course_output_fragment_new_base_form($args) {
|
|
|
|
$serialiseddata = json_decode($args['jsonformdata'], true);
|
|
$formdata = [];
|
|
if (!empty($serialiseddata)) {
|
|
parse_str($serialiseddata, $formdata);
|
|
}
|
|
|
|
$context = context_course::instance($args['courseid']);
|
|
$copycaps = \core_course\management\helper::get_course_copy_capabilities();
|
|
require_all_capabilities($copycaps, $context);
|
|
|
|
$course = get_course($args['courseid']);
|
|
$mform = new \core_backup\output\copy_form(
|
|
null,
|
|
array('course' => $course, 'returnto' => '', 'returnurl' => ''),
|
|
'post', '', ['class' => 'ignoredirty'], true, $formdata);
|
|
|
|
if (!empty($serialiseddata)) {
|
|
// If we were passed non-empty form data we want the mform to call validation functions and show errors.
|
|
$mform->is_validated();
|
|
}
|
|
|
|
ob_start();
|
|
$mform->display();
|
|
$o = ob_get_contents();
|
|
ob_end_clean();
|
|
|
|
return $o;
|
|
}
|
|
|
|
/**
|
|
* Get the current course image for the given course.
|
|
*
|
|
* @param \stdClass $course
|
|
* @return null|stored_file
|
|
*/
|
|
function course_get_courseimage(\stdClass $course): ?stored_file {
|
|
$courseinlist = new core_course_list_element($course);
|
|
foreach ($courseinlist->get_course_overviewfiles() as $file) {
|
|
if ($file->is_valid_image()) {
|
|
return $file;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get course specific data for configuring a communication instance.
|
|
*
|
|
* @param integer $courseid The course id.
|
|
* @return array Returns course data, context and heading.
|
|
*/
|
|
function course_get_communication_instance_data(int $courseid): array {
|
|
// Do some checks and prepare instance specific data.
|
|
$course = get_course($courseid);
|
|
require_login($course);
|
|
$context = context_course::instance($course->id);
|
|
require_capability('moodle/course:configurecoursecommunication', $context);
|
|
|
|
$heading = $course->fullname;
|
|
$returnurl = new moodle_url('/course/view.php', ['id' => $courseid]);
|
|
|
|
return [$course, $context, $heading, $returnurl];
|
|
}
|
|
|
|
/**
|
|
* Update a course using communication configuration data.
|
|
*
|
|
* @param stdClass $data The data to update the course with.
|
|
*/
|
|
function course_update_communication_instance_data(stdClass $data): void {
|
|
$data->id = $data->instanceid; // For correct use in update_course.
|
|
// If the room name is set to empty, then set it course name.
|
|
$provider = $data->selectedcommunication ?? null;
|
|
$roomnameidentifier = $provider . 'roomname';
|
|
if ($provider && empty($data->$roomnameidentifier)) {
|
|
$data->$roomnameidentifier = $data->fullname ?? get_course($data->id)->fullname;
|
|
}
|
|
core_communication\helper::update_course_communication_instance(
|
|
course: $data,
|
|
changesincoursecat: false,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Trigger course section viewed event.
|
|
*
|
|
* @param context_course $context course context object
|
|
* @param int $sectionid section number
|
|
* @since Moodle 4.4.
|
|
*/
|
|
function course_section_view(context_course $context, int $sectionid) {
|
|
|
|
$eventdata = [
|
|
'objectid' => $sectionid,
|
|
'context' => $context,
|
|
];
|
|
$event = \core\event\section_viewed::create($eventdata);
|
|
$event->trigger();
|
|
|
|
user_accesstime_log($context->instanceid);
|
|
}
|