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 * @package    enrol_guest
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 * @package    enrol_guest
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 * @copyright  2010 Petr Skoda  {@link http://skodak.org}
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 * @copyright  2010 Petr Skoda  {@link http://skodak.org}
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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 */
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use core\output\single_button;
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defined('MOODLE_INTERNAL') || die();
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use core_enrol\output\enrol_page;
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/**
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/**
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 * Class enrol_guest_plugin
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 * Class enrol_guest_plugin
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        return true;
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        return true;
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    }
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    }
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    /**
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     * Creates course enrol form, checks if form submitted
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    /**
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     * and enrols user if necessary. It can also redirect.
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     * Enrol a user using the guest enrolment method
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     *
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     *
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     * @param stdClass $instance
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     * @param stdClass $instance
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     * @param string $guestpassword
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     * @return void
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     */
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    public function mark_user_as_enrolled(stdClass $instance, string $guestpassword): void {
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        global $USER, $CFG;
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        // Add guest role.
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        $context = \core\context\course::instance($instance->courseid);
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        $USER->enrol_guest_passwords[$instance->id] = $guestpassword;
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        if (isset($USER->enrol['tempguest'][$instance->courseid])) {
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            remove_temp_course_roles($context);
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        }
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        load_temp_course_role($context, $CFG->guestroleid);
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        $USER->enrol['tempguest'][$instance->courseid] = ENROL_MAX_TIMESTAMP;
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    }
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     * @return string html text, usually a form in a text box
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     */
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    #[\Override]
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    public function enrol_page_hook(stdClass $instance) {
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    public function enrol_page_hook(stdClass $instance) {
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        global $CFG, $OUTPUT, $SESSION, $USER;
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        global $CFG, $OUTPUT, $SESSION, $USER, $PAGE;
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        if ($instance->password === '') {
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        if ($instance->password === '') {
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            return null;
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            return null;
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        }
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        }
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        if (isset($USER->enrol['tempguest'][$instance->courseid]) and $USER->enrol['tempguest'][$instance->courseid] > time()) {
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            // no need to show the guest access when user can already enter course as guest
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        if (isset($USER->enrol['tempguest'][$instance->courseid]) and $USER->enrol['tempguest'][$instance->courseid] > time()) {
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            return null;
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            // no need to show the guest access when user can already enter course as guest
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        }
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            return null;
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        require_once("$CFG->dirroot/enrol/guest/locallib.php");
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        }
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        $form = new enrol_guest_enrol_form(NULL, $instance);
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        $instanceid = optional_param('instance', 0, PARAM_INT);
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        $title = $this->get_instance_name($instance);
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        if ($instance->id == $instanceid) {
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        $notification = new \core\output\notification(get_string('passwordrequired', 'enrol_guest'), 'info', false);
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            if ($data = $form->get_data()) {
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        $notification->set_extra_classes(['mb-0']);
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                // add guest role
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        $button = new single_button(
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                $context = context_course::instance($instance->courseid);
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                $USER->enrol_guest_passwords[$instance->id] = $data->guestpassword; // this is a hack, ideally we should not add stuff to $USER...
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                if (isset($USER->enrol['tempguest'][$instance->courseid])) {
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                    remove_temp_course_roles($context);
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            $PAGE->url,
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                }
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            get_string('loginguest', 'moodle'),
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                load_temp_course_role($context, $CFG->guestroleid);
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            'get',
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                $USER->enrol['tempguest'][$instance->courseid] = ENROL_MAX_TIMESTAMP;
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            single_button::BUTTON_PRIMARY,
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            [
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                // go to the originally requested page
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                'data-id' => $instance->courseid,
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                if (!empty($SESSION->wantsurl)) {
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                'data-instance' => $instance->id,
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                    $destination = $SESSION->wantsurl;
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                'data-form' => enrol_guest\form\enrol_form::class,
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                    unset($SESSION->wantsurl);
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                } else {
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                    $destination = "$CFG->wwwroot/course/view.php?id=$instance->courseid";
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                }
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                'data-title' => $title,
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                redirect($destination);
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            ]);
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            }
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        $PAGE->requires->js_call_amd('enrol_guest/enrol_page', 'initEnrol', [$instance->id]);
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        }
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        $enrolpage = new enrol_page(
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        ob_start();
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            instance: $instance,
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        $form->display();
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            header: $title,
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        $output = ob_get_clean();
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            body: $OUTPUT->render($notification),
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            buttons: [$button]);
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     * Add new instance of enrol plugin.
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     * Add new instance of enrol plugin.
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     * @param object $course
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     * @param object $course
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     * @param array instance fields
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     * @param array instance fields
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     * @return int id of new instance, null if can not be created
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     * @return int id of new instance, null if can not be created
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     */
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     */
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    public function add_instance($course, array $fields = NULL) {
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    public function add_instance($course, ?array $fields = NULL) {
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        $fields = (array)$fields;
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        $fields = (array)$fields;
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        if (!isset($fields['password'])) {
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        if (!isset($fields['password'])) {
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            $fields['password'] = '';
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            $fields['password'] = '';
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/**
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/**
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 * Get icon mapping for font-awesome.
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 * Get icon mapping for font-awesome.
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 */
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 */
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function enrol_guest_get_fontawesome_icon_map() {
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function enrol_guest_get_fontawesome_icon_map() {
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    return [
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    return [
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        'enrol_guest:withpassword' => 'fa-key',
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        'enrol_guest:withoutpassword' => 'fa-lock-open',
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        'enrol_guest:withoutpassword' => 'fa-unlock-alt',
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        'enrol_guest:withpassword' => 'fa-lock',
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    ];
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    ];
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}
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}