/**
* @return mnetservice_enrol singleton instance
*/
public static function get_instance()
{
if (is_null(self::$singleton)) {
self::$singleton = new self();
}
return self::$singleton;
}
/**
* Returns link to page which may be used to add new instance of enrolment plugin into the course
*
* The link is returned only if there are some MNet peers that we publish enrolment service to.
*
* @param int $courseid id of the course to add the instance to
* @return moodle_url|null page url or null if instance can not be created
*/
public function get_newinstance_link($courseid)
{
global $CFG, $DB;
require_once $CFG->dirroot . '/mnet/service/enrol/locallib.php';
$service = mnetservice_enrol::get_instance();
if (!$service->is_available()) {
return null;
}
$coursecontext = get_context_instance(CONTEXT_COURSE, $courseid);
if (!has_capability('moodle/course:enrolconfig', $coursecontext)) {
return null;
}
$subscribers = $service->get_remote_subscribers();
if (empty($subscribers)) {
return null;
}
return new moodle_url('/enrol/mnet/addinstance.php', array('id' => $courseid));
}
* hosts (session key required in such case).
*
* @package mnetservice
* @subpackage enrol
* @copyright 2010 David Mudrak <*****@*****.**>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require dirname(dirname(dirname(dirname(__FILE__)))) . '/config.php';
require_once $CFG->libdir . '/adminlib.php';
require_once $CFG->dirroot . '/mnet/service/enrol/locallib.php';
$hostid = required_param('id', PARAM_INT);
// remote host id
$usecache = optional_param('usecache', true, PARAM_BOOL);
// use cached list of courses
admin_externalpage_setup('mnetenrol', '', array('id' => $hostid, 'usecache' => 1), new moodle_url('/mnet/service/enrol/host.php'));
$service = mnetservice_enrol::get_instance();
if (!$service->is_available()) {
echo $OUTPUT->box(get_string('mnetdisabled', 'mnet'), 'noticebox');
echo $OUTPUT->footer();
die;
}
// remote hosts that may publish remote enrolment service and we are subscribed to it
$hosts = $service->get_remote_publishers();
if (empty($hosts[$hostid])) {
print_error('wearenotsubscribedtothishost', 'mnetservice_enrol');
}
$host = $hosts[$hostid];
if (!$usecache) {
// our local database will be changed
require_sesskey();
}
/**
* Return an array of valid options for the hosts property.
*
* @return array
*/
protected function get_valid_hosts_options()
{
global $CFG;
require_once $CFG->dirroot . '/mnet/service/enrol/locallib.php';
$service = mnetservice_enrol::get_instance();
$subscribers = $service->get_remote_subscribers();
$hosts = array(0 => get_string('remotesubscribersall', 'enrol_mnet'));
foreach ($subscribers as $hostid => $subscriber) {
$hosts[$hostid] = $subscriber->appname . ': ' . $subscriber->hostname . ' (' . $subscriber->hosturl . ')';
}
return $hosts;
}
