/**
* Creates course enrol form, checks if form submitted
* and enrols user if necessary. It can also redirect.
*
* @param stdClass $instance
* @return string html text, usually a form in a text box
*/
public function enrol_page_hook(stdClass $instance)
{
global $CFG, $OUTPUT, $SESSION, $USER;
if ($instance->password === '') {
return null;
}
if (isset($USER->enrol['tempguest'][$instance->courseid]) and $USER->enrol['tempguest'][$instance->courseid] > time()) {
// no need to show the guest access when user can already enter course as guest
return null;
}
require_once "{$CFG->dirroot}/enrol/guest/locallib.php";
$form = new enrol_guest_enrol_form(NULL, $instance);
$instanceid = optional_param('instance', 0, PARAM_INT);
if ($instance->id == $instanceid) {
if ($data = $form->get_data()) {
// add guest role
$context = context_course::instance($instance->courseid);
$USER->enrol_guest_passwords[$instance->id] = $data->guestpassword;
// this is a hack, ideally we should not add stuff to $USER...
if (isset($USER->enrol['tempguest'][$instance->courseid])) {
remove_temp_course_roles($context);
}
load_temp_course_role($context, $CFG->guestroleid);
$USER->enrol['tempguest'][$instance->courseid] = ENROL_MAX_TIMESTAMP;
// go to the originally requested page
if (!empty($SESSION->wantsurl)) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "{$CFG->wwwroot}/course/view.php?id={$instance->courseid}";
}
redirect($destination);
}
}
ob_start();
$form->display();
$output = ob_get_clean();
return $OUTPUT->box($output, 'generalbox');
}
/**
* Creates course enrol form, checks if form submitted
* and enrols user if necessary. It can also redirect.
*
* @param stdClass $instance
* @return string html text, usually a form in a text box
*/
public function enrol_page_hook(stdClass $instance)
{
global $CFG, $OUTPUT, $SESSION, $USER;
if (empty($instance->password)) {
return null;
}
require_once "{$CFG->dirroot}/enrol/guest/locallib.php";
$form = new enrol_guest_enrol_form(NULL, $instance);
$instanceid = optional_param('instance', 0, PARAM_INT);
if ($instance->id == $instanceid) {
if ($data = $form->get_data()) {
// set up primitive require_login() caching
unset($USER->enrol['enrolled'][$instance->courseid]);
$USER->enrol['tempguest'][$instance->courseid] = time() + 60 * 60 * 8;
// 8 hours access before asking for pw again
// add guest role
$context = get_context_instance(CONTEXT_COURSE, $instance->courseid);
load_temp_course_role($context, $CFG->guestroleid);
// go to the originally requested page
if (!empty($SESSION->wantsurl)) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "{$CFG->wwwroot}/course/view.php?id={$instance->courseid}";
}
redirect($destination);
}
}
ob_start();
$form->display();
$output = ob_get_clean();
return $OUTPUT->box($output, 'generalbox');
}
