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1052 lines
41 KiB
1052 lines
41 KiB
2 years ago
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<?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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* Self enrolment plugin.
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*
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* @package enrol_self
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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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*/
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/**
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* Self enrolment plugin implementation.
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* @author Petr Skoda
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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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class enrol_self_plugin extends enrol_plugin {
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protected $lasternoller = null;
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protected $lasternollerinstanceid = 0;
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/**
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* Returns optional enrolment information icons.
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*
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* This is used in course list for quick overview of enrolment options.
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*
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* We are not using single instance parameter because sometimes
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* we might want to prevent icon repetition when multiple instances
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* of one type exist. One instance may also produce several icons.
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*
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* @param array $instances all enrol instances of this type in one course
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* @return array of pix_icon
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*/
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public function get_info_icons(array $instances) {
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$key = false;
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$nokey = false;
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foreach ($instances as $instance) {
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if ($this->can_self_enrol($instance, false) !== true) {
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// User can not enrol himself.
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// Note that we do not check here if user is already enrolled for performance reasons -
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// such check would execute extra queries for each course in the list of courses and
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// would hide self-enrolment icons from guests.
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continue;
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}
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if ($instance->password or $instance->customint1) {
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$key = true;
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} else {
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$nokey = true;
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}
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}
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$icons = array();
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if ($nokey) {
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$icons[] = new pix_icon('withoutkey', get_string('pluginname', 'enrol_self'), 'enrol_self');
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}
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if ($key) {
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$icons[] = new pix_icon('withkey', get_string('pluginname', 'enrol_self'), 'enrol_self');
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}
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return $icons;
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}
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/**
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* Returns localised name of enrol instance
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*
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* @param stdClass $instance (null is accepted too)
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* @return string
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*/
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public function get_instance_name($instance) {
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global $DB;
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if (empty($instance->name)) {
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if (!empty($instance->roleid) and $role = $DB->get_record('role', array('id'=>$instance->roleid))) {
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$role = ' (' . role_get_name($role, context_course::instance($instance->courseid, IGNORE_MISSING)) . ')';
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} else {
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$role = '';
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}
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$enrol = $this->get_name();
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return get_string('pluginname', 'enrol_'.$enrol) . $role;
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} else {
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return format_string($instance->name);
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}
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}
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public function roles_protected() {
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// Users may tweak the roles later.
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return false;
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}
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public function allow_unenrol(stdClass $instance) {
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// Users with unenrol cap may unenrol other users manually manually.
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return true;
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}
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public function allow_manage(stdClass $instance) {
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// Users with manage cap may tweak period and status.
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return true;
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}
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public function show_enrolme_link(stdClass $instance) {
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if (true !== $this->can_self_enrol($instance, false)) {
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return false;
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}
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return true;
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}
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/**
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* Return true if we can add a new instance to this course.
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*
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* @param int $courseid
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* @return boolean
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*/
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public function can_add_instance($courseid) {
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$context = context_course::instance($courseid, MUST_EXIST);
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if (!has_capability('moodle/course:enrolconfig', $context) or !has_capability('enrol/self:config', $context)) {
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return false;
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}
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return true;
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}
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/**
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* Self enrol user to course
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*
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* @param stdClass $instance enrolment instance
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* @param stdClass $data data needed for enrolment.
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* @return bool|array true if enroled else eddor code and messege
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*/
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public function enrol_self(stdClass $instance, $data = null) {
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global $DB, $USER, $CFG;
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// Don't enrol user if password is not passed when required.
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if ($instance->password && !isset($data->enrolpassword)) {
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return;
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}
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$timestart = time();
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if ($instance->enrolperiod) {
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$timeend = $timestart + $instance->enrolperiod;
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} else {
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$timeend = 0;
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}
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$this->enrol_user($instance, $USER->id, $instance->roleid, $timestart, $timeend);
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if ($instance->password and $instance->customint1 and $data->enrolpassword !== $instance->password) {
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// It must be a group enrolment, let's assign group too.
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$groups = $DB->get_records('groups', array('courseid'=>$instance->courseid), 'id', 'id, enrolmentkey');
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foreach ($groups as $group) {
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if (empty($group->enrolmentkey)) {
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continue;
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}
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if ($group->enrolmentkey === $data->enrolpassword) {
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// Add user to group.
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require_once($CFG->dirroot.'/group/lib.php');
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groups_add_member($group->id, $USER->id);
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break;
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}
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}
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}
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// Send welcome message.
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if ($instance->customint4 != ENROL_DO_NOT_SEND_EMAIL) {
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$this->email_welcome_message($instance, $USER);
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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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* and enrols user if necessary. It can also redirect.
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*
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* @param stdClass $instance
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* @return string html text, usually a form in a text box
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*/
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public function enrol_page_hook(stdClass $instance) {
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global $CFG, $OUTPUT, $USER;
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require_once("$CFG->dirroot/enrol/self/locallib.php");
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$enrolstatus = $this->can_self_enrol($instance);
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if (true === $enrolstatus) {
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// This user can self enrol using this instance.
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$form = new enrol_self_enrol_form(null, $instance);
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$instanceid = optional_param('instance', 0, PARAM_INT);
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if ($instance->id == $instanceid) {
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if ($data = $form->get_data()) {
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$this->enrol_self($instance, $data);
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}
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}
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} else {
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// This user can not self enrol using this instance. Using an empty form to keep
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// the UI consistent with other enrolment plugins that returns a form.
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$data = new stdClass();
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$data->header = $this->get_instance_name($instance);
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$data->info = $enrolstatus;
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// The can_self_enrol call returns a button to the login page if the user is a
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// guest, setting the login url to the form if that is the case.
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$url = isguestuser() ? get_login_url() : null;
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$form = new enrol_self_empty_form($url, $data);
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}
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ob_start();
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$form->display();
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$output = ob_get_clean();
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return $OUTPUT->box($output);
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}
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/**
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* Checks if user can self enrol.
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*
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* @param stdClass $instance enrolment instance
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* @param bool $checkuserenrolment if true will check if user enrolment is inactive.
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* used by navigation to improve performance.
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* @return bool|string true if successful, else error message or false.
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*/
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public function can_self_enrol(stdClass $instance, $checkuserenrolment = true) {
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global $CFG, $DB, $OUTPUT, $USER;
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if ($checkuserenrolment) {
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if (isguestuser()) {
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// Can not enrol guest.
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return get_string('noguestaccess', 'enrol') . $OUTPUT->continue_button(get_login_url());
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}
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// Check if user is already enroled.
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if ($DB->get_record('user_enrolments', array('userid' => $USER->id, 'enrolid' => $instance->id))) {
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return get_string('canntenrol', 'enrol_self');
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}
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}
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if ($instance->status != ENROL_INSTANCE_ENABLED) {
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return get_string('canntenrol', 'enrol_self');
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}
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if ($instance->enrolstartdate != 0 and $instance->enrolstartdate > time()) {
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return get_string('canntenrolearly', 'enrol_self', userdate($instance->enrolstartdate));
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}
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if ($instance->enrolenddate != 0 and $instance->enrolenddate < time()) {
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return get_string('canntenrollate', 'enrol_self', userdate($instance->enrolenddate));
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}
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if (!$instance->customint6) {
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// New enrols not allowed.
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return get_string('canntenrol', 'enrol_self');
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}
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if ($DB->record_exists('user_enrolments', array('userid' => $USER->id, 'enrolid' => $instance->id))) {
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return get_string('canntenrol', 'enrol_self');
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}
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if ($instance->customint3 > 0) {
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// Max enrol limit specified.
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$count = $DB->count_records('user_enrolments', array('enrolid' => $instance->id));
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if ($count >= $instance->customint3) {
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// Bad luck, no more self enrolments here.
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return get_string('maxenrolledreached', 'enrol_self');
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}
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}
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if ($instance->customint5) {
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require_once("$CFG->dirroot/cohort/lib.php");
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if (!cohort_is_member($instance->customint5, $USER->id)) {
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$cohort = $DB->get_record('cohort', array('id' => $instance->customint5));
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if (!$cohort) {
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return null;
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}
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$a = format_string($cohort->name, true, array('context' => context::instance_by_id($cohort->contextid)));
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return markdown_to_html(get_string('cohortnonmemberinfo', 'enrol_self', $a));
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}
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}
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return true;
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}
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/**
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* Return information for enrolment instance containing list of parameters required
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* for enrolment, name of enrolment plugin etc.
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*
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* @param stdClass $instance enrolment instance
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* @return stdClass instance info.
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*/
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public function get_enrol_info(stdClass $instance) {
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$instanceinfo = new stdClass();
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$instanceinfo->id = $instance->id;
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$instanceinfo->courseid = $instance->courseid;
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$instanceinfo->type = $this->get_name();
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$instanceinfo->name = $this->get_instance_name($instance);
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$instanceinfo->status = $this->can_self_enrol($instance);
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if ($instance->password) {
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$instanceinfo->requiredparam = new stdClass();
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$instanceinfo->requiredparam->enrolpassword = get_string('password', 'enrol_self');
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}
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// If enrolment is possible and password is required then return ws function name to get more information.
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if ((true === $instanceinfo->status) && $instance->password) {
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$instanceinfo->wsfunction = 'enrol_self_get_instance_info';
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}
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return $instanceinfo;
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}
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/**
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* Add new instance of enrol plugin with default settings.
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* @param stdClass $course
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* @return int id of new instance
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*/
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public function add_default_instance($course) {
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$fields = $this->get_instance_defaults();
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if ($this->get_config('requirepassword')) {
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$fields['password'] = generate_password(20);
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}
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return $this->add_instance($course, $fields);
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}
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/**
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* Returns defaults for new instances.
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* @return array
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*/
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public function get_instance_defaults() {
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$expirynotify = $this->get_config('expirynotify');
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if ($expirynotify == 2) {
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$expirynotify = 1;
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$notifyall = 1;
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} else {
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$notifyall = 0;
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}
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$fields = array();
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$fields['status'] = $this->get_config('status');
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$fields['roleid'] = $this->get_config('roleid');
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$fields['enrolperiod'] = $this->get_config('enrolperiod');
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$fields['expirynotify'] = $expirynotify;
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$fields['notifyall'] = $notifyall;
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$fields['expirythreshold'] = $this->get_config('expirythreshold');
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$fields['customint1'] = $this->get_config('groupkey');
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$fields['customint2'] = $this->get_config('longtimenosee');
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$fields['customint3'] = $this->get_config('maxenrolled');
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$fields['customint4'] = $this->get_config('sendcoursewelcomemessage');
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$fields['customint5'] = 0;
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$fields['customint6'] = $this->get_config('newenrols');
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return $fields;
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}
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||
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|
||
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/**
|
||
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* Send welcome email to specified user.
|
||
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*
|
||
|
* @param stdClass $instance
|
||
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* @param stdClass $user user record
|
||
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* @return void
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||
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*/
|
||
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protected function email_welcome_message($instance, $user) {
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global $CFG, $DB;
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|
||
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$course = $DB->get_record('course', array('id'=>$instance->courseid), '*', MUST_EXIST);
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||
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$context = context_course::instance($course->id);
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||
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$a = new stdClass();
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$a->coursename = format_string($course->fullname, true, array('context'=>$context));
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$a->profileurl = "$CFG->wwwroot/user/view.php?id=$user->id&course=$course->id";
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|
||
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if (trim($instance->customtext1) !== '') {
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$message = $instance->customtext1;
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$key = array('{$a->coursename}', '{$a->profileurl}', '{$a->fullname}', '{$a->email}');
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$value = array($a->coursename, $a->profileurl, fullname($user), $user->email);
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||
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$message = str_replace($key, $value, $message);
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||
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if (strpos($message, '<') === false) {
|
||
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// Plain text only.
|
||
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$messagetext = $message;
|
||
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$messagehtml = text_to_html($messagetext, null, false, true);
|
||
|
} else {
|
||
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// This is most probably the tag/newline soup known as FORMAT_MOODLE.
|
||
|
$messagehtml = format_text($message, FORMAT_MOODLE, array('context'=>$context, 'para'=>false, 'newlines'=>true, 'filter'=>true));
|
||
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$messagetext = html_to_text($messagehtml);
|
||
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}
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||
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} else {
|
||
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$messagetext = get_string('welcometocoursetext', 'enrol_self', $a);
|
||
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$messagehtml = text_to_html($messagetext, null, false, true);
|
||
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}
|
||
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|
||
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$subject = get_string('welcometocourse', 'enrol_self', format_string($course->fullname, true, array('context'=>$context)));
|
||
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|
||
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$sendoption = $instance->customint4;
|
||
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$contact = $this->get_welcome_email_contact($sendoption, $context);
|
||
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|
||
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// Directly emailing welcome message rather than using messaging.
|
||
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email_to_user($user, $contact, $subject, $messagetext, $messagehtml);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Sync all meta course links.
|
||
|
*
|
||
|
* @param progress_trace $trace
|
||
|
* @param int $courseid one course, empty mean all
|
||
|
* @return int 0 means ok, 1 means error, 2 means plugin disabled
|
||
|
*/
|
||
|
public function sync(progress_trace $trace, $courseid = null) {
|
||
|
global $DB;
|
||
|
|
||
|
if (!enrol_is_enabled('self')) {
|
||
|
$trace->finished();
|
||
|
return 2;
|
||
|
}
|
||
|
|
||
|
// Unfortunately this may take a long time, execution can be interrupted safely here.
|
||
|
core_php_time_limit::raise();
|
||
|
raise_memory_limit(MEMORY_HUGE);
|
||
|
|
||
|
$trace->output('Verifying self-enrolments...');
|
||
|
|
||
|
$params = array('now'=>time(), 'useractive'=>ENROL_USER_ACTIVE, 'courselevel'=>CONTEXT_COURSE);
|
||
|
$coursesql = "";
|
||
|
if ($courseid) {
|
||
|
$coursesql = "AND e.courseid = :courseid";
|
||
|
$params['courseid'] = $courseid;
|
||
|
}
|
||
|
|
||
|
// Note: the logic of self enrolment guarantees that user logged in at least once (=== u.lastaccess set)
|
||
|
// and that user accessed course at least once too (=== user_lastaccess record exists).
|
||
|
|
||
|
// First deal with users that did not log in for a really long time - they do not have user_lastaccess records.
|
||
|
$sql = "SELECT e.*, ue.userid
|
||
|
FROM {user_enrolments} ue
|
||
|
JOIN {enrol} e ON (e.id = ue.enrolid AND e.enrol = 'self' AND e.customint2 > 0)
|
||
|
JOIN {user} u ON u.id = ue.userid
|
||
|
WHERE :now - u.lastaccess > e.customint2
|
||
|
$coursesql";
|
||
|
$rs = $DB->get_recordset_sql($sql, $params);
|
||
|
foreach ($rs as $instance) {
|
||
|
$userid = $instance->userid;
|
||
|
unset($instance->userid);
|
||
|
$this->unenrol_user($instance, $userid);
|
||
|
$days = $instance->customint2 / 60*60*24;
|
||
|
$trace->output("unenrolling user $userid from course $instance->courseid as they have did not log in for at least $days days", 1);
|
||
|
}
|
||
|
$rs->close();
|
||
|
|
||
|
// Now unenrol from course user did not visit for a long time.
|
||
|
$sql = "SELECT e.*, ue.userid
|
||
|
FROM {user_enrolments} ue
|
||
|
JOIN {enrol} e ON (e.id = ue.enrolid AND e.enrol = 'self' AND e.customint2 > 0)
|
||
|
JOIN {user_lastaccess} ul ON (ul.userid = ue.userid AND ul.courseid = e.courseid)
|
||
|
WHERE :now - ul.timeaccess > e.customint2
|
||
|
$coursesql";
|
||
|
$rs = $DB->get_recordset_sql($sql, $params);
|
||
|
foreach ($rs as $instance) {
|
||
|
$userid = $instance->userid;
|
||
|
unset($instance->userid);
|
||
|
$this->unenrol_user($instance, $userid);
|
||
|
$days = $instance->customint2 / 60*60*24;
|
||
|
$trace->output("unenrolling user $userid from course $instance->courseid as they have did not access course for at least $days days", 1);
|
||
|
}
|
||
|
$rs->close();
|
||
|
|
||
|
$trace->output('...user self-enrolment updates finished.');
|
||
|
$trace->finished();
|
||
|
|
||
|
$this->process_expirations($trace, $courseid);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the user who is responsible for self enrolments in given instance.
|
||
|
*
|
||
|
* Usually it is the first editing teacher - the person with "highest authority"
|
||
|
* as defined by sort_by_roleassignment_authority() having 'enrol/self:manage'
|
||
|
* capability.
|
||
|
*
|
||
|
* @param int $instanceid enrolment instance id
|
||
|
* @return stdClass user record
|
||
|
*/
|
||
|
protected function get_enroller($instanceid) {
|
||
|
global $DB;
|
||
|
|
||
|
if ($this->lasternollerinstanceid == $instanceid and $this->lasternoller) {
|
||
|
return $this->lasternoller;
|
||
|
}
|
||
|
|
||
|
$instance = $DB->get_record('enrol', array('id'=>$instanceid, 'enrol'=>$this->get_name()), '*', MUST_EXIST);
|
||
|
$context = context_course::instance($instance->courseid);
|
||
|
|
||
|
if ($users = get_enrolled_users($context, 'enrol/self:manage')) {
|
||
|
$users = sort_by_roleassignment_authority($users, $context);
|
||
|
$this->lasternoller = reset($users);
|
||
|
unset($users);
|
||
|
} else {
|
||
|
$this->lasternoller = parent::get_enroller($instanceid);
|
||
|
}
|
||
|
|
||
|
$this->lasternollerinstanceid = $instanceid;
|
||
|
|
||
|
return $this->lasternoller;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Restore instance and map settings.
|
||
|
*
|
||
|
* @param restore_enrolments_structure_step $step
|
||
|
* @param stdClass $data
|
||
|
* @param stdClass $course
|
||
|
* @param int $oldid
|
||
|
*/
|
||
|
public function restore_instance(restore_enrolments_structure_step $step, stdClass $data, $course, $oldid) {
|
||
|
global $DB;
|
||
|
if ($step->get_task()->get_target() == backup::TARGET_NEW_COURSE) {
|
||
|
$merge = false;
|
||
|
} else {
|
||
|
$merge = array(
|
||
|
'courseid' => $data->courseid,
|
||
|
'enrol' => $this->get_name(),
|
||
|
'status' => $data->status,
|
||
|
'roleid' => $data->roleid,
|
||
|
);
|
||
|
}
|
||
|
if ($merge and $instances = $DB->get_records('enrol', $merge, 'id')) {
|
||
|
$instance = reset($instances);
|
||
|
$instanceid = $instance->id;
|
||
|
} else {
|
||
|
if (!empty($data->customint5)) {
|
||
|
if ($step->get_task()->is_samesite()) {
|
||
|
// Keep cohort restriction unchanged - we are on the same site.
|
||
|
} else {
|
||
|
// Use some id that can not exist in order to prevent self enrolment,
|
||
|
// because we do not know what cohort it is in this site.
|
||
|
$data->customint5 = -1;
|
||
|
}
|
||
|
}
|
||
|
$instanceid = $this->add_instance($course, (array)$data);
|
||
|
}
|
||
|
$step->set_mapping('enrol', $oldid, $instanceid);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Restore user enrolment.
|
||
|
*
|
||
|
* @param restore_enrolments_structure_step $step
|
||
|
* @param stdClass $data
|
||
|
* @param stdClass $instance
|
||
|
* @param int $oldinstancestatus
|
||
|
* @param int $userid
|
||
|
*/
|
||
|
public function restore_user_enrolment(restore_enrolments_structure_step $step, $data, $instance, $userid, $oldinstancestatus) {
|
||
|
$this->enrol_user($instance, $userid, null, $data->timestart, $data->timeend, $data->status);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Restore role assignment.
|
||
|
*
|
||
|
* @param stdClass $instance
|
||
|
* @param int $roleid
|
||
|
* @param int $userid
|
||
|
* @param int $contextid
|
||
|
*/
|
||
|
public function restore_role_assignment($instance, $roleid, $userid, $contextid) {
|
||
|
// This is necessary only because we may migrate other types to this instance,
|
||
|
// we do not use component in manual or self enrol.
|
||
|
role_assign($roleid, $userid, $contextid, '', 0);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Is it possible to delete enrol instance via standard UI?
|
||
|
*
|
||
|
* @param stdClass $instance
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function can_delete_instance($instance) {
|
||
|
$context = context_course::instance($instance->courseid);
|
||
|
return has_capability('enrol/self:config', $context);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Is it possible to hide/show enrol instance via standard UI?
|
||
|
*
|
||
|
* @param stdClass $instance
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function can_hide_show_instance($instance) {
|
||
|
$context = context_course::instance($instance->courseid);
|
||
|
|
||
|
if (!has_capability('enrol/self:config', $context)) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
// If the instance is currently disabled, before it can be enabled,
|
||
|
// we must check whether the password meets the password policies.
|
||
|
if ($instance->status == ENROL_INSTANCE_DISABLED) {
|
||
|
if ($this->get_config('requirepassword')) {
|
||
|
if (empty($instance->password)) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
// Only check the password if it is set.
|
||
|
if (!empty($instance->password) && $this->get_config('usepasswordpolicy')) {
|
||
|
if (!check_password_policy($instance->password, $errmsg)) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Return an array of valid options for the status.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
protected function get_status_options() {
|
||
|
$options = array(ENROL_INSTANCE_ENABLED => get_string('yes'),
|
||
|
ENROL_INSTANCE_DISABLED => get_string('no'));
|
||
|
return $options;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Return an array of valid options for the newenrols property.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
protected function get_newenrols_options() {
|
||
|
$options = array(1 => get_string('yes'), 0 => get_string('no'));
|
||
|
return $options;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Return an array of valid options for the groupkey property.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
protected function get_groupkey_options() {
|
||
|
$options = array(1 => get_string('yes'), 0 => get_string('no'));
|
||
|
return $options;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Return an array of valid options for the expirynotify property.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
protected function get_expirynotify_options() {
|
||
|
$options = array(0 => get_string('no'),
|
||
|
1 => get_string('expirynotifyenroller', 'enrol_self'),
|
||
|
2 => get_string('expirynotifyall', 'enrol_self'));
|
||
|
return $options;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Return an array of valid options for the longtimenosee property.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
protected function get_longtimenosee_options() {
|
||
|
$options = array(0 => get_string('never'),
|
||
|
1800 * 3600 * 24 => get_string('numdays', '', 1800),
|
||
|
1000 * 3600 * 24 => get_string('numdays', '', 1000),
|
||
|
365 * 3600 * 24 => get_string('numdays', '', 365),
|
||
|
180 * 3600 * 24 => get_string('numdays', '', 180),
|
||
|
150 * 3600 * 24 => get_string('numdays', '', 150),
|
||
|
120 * 3600 * 24 => get_string('numdays', '', 120),
|
||
|
90 * 3600 * 24 => get_string('numdays', '', 90),
|
||
|
60 * 3600 * 24 => get_string('numdays', '', 60),
|
||
|
30 * 3600 * 24 => get_string('numdays', '', 30),
|
||
|
21 * 3600 * 24 => get_string('numdays', '', 21),
|
||
|
14 * 3600 * 24 => get_string('numdays', '', 14),
|
||
|
7 * 3600 * 24 => get_string('numdays', '', 7));
|
||
|
return $options;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* The self enrollment plugin has several bulk operations that can be performed.
|
||
|
* @param course_enrolment_manager $manager
|
||
|
* @return array
|
||
|
*/
|
||
|
public function get_bulk_operations(course_enrolment_manager $manager) {
|
||
|
global $CFG;
|
||
|
require_once($CFG->dirroot.'/enrol/self/locallib.php');
|
||
|
$context = $manager->get_context();
|
||
|
$bulkoperations = array();
|
||
|
if (has_capability("enrol/self:manage", $context)) {
|
||
|
$bulkoperations['editselectedusers'] = new enrol_self_editselectedusers_operation($manager, $this);
|
||
|
}
|
||
|
if (has_capability("enrol/self:unenrol", $context)) {
|
||
|
$bulkoperations['deleteselectedusers'] = new enrol_self_deleteselectedusers_operation($manager, $this);
|
||
|
}
|
||
|
return $bulkoperations;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add elements to the edit instance form.
|
||
|
*
|
||
|
* @param stdClass $instance
|
||
|
* @param MoodleQuickForm $mform
|
||
|
* @param context $context
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function edit_instance_form($instance, MoodleQuickForm $mform, $context) {
|
||
|
global $CFG;
|
||
|
|
||
|
// Merge these two settings to one value for the single selection element.
|
||
|
if ($instance->notifyall and $instance->expirynotify) {
|
||
|
$instance->expirynotify = 2;
|
||
|
}
|
||
|
unset($instance->notifyall);
|
||
|
|
||
|
$nameattribs = array('size' => '20', 'maxlength' => '255');
|
||
|
$mform->addElement('text', 'name', get_string('custominstancename', 'enrol'), $nameattribs);
|
||
|
$mform->setType('name', PARAM_TEXT);
|
||
|
$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'server');
|
||
|
|
||
|
$options = $this->get_status_options();
|
||
|
$mform->addElement('select', 'status', get_string('status', 'enrol_self'), $options);
|
||
|
$mform->addHelpButton('status', 'status', 'enrol_self');
|
||
|
|
||
|
$options = $this->get_newenrols_options();
|
||
|
$mform->addElement('select', 'customint6', get_string('newenrols', 'enrol_self'), $options);
|
||
|
$mform->addHelpButton('customint6', 'newenrols', 'enrol_self');
|
||
|
$mform->disabledIf('customint6', 'status', 'eq', ENROL_INSTANCE_DISABLED);
|
||
|
|
||
|
$passattribs = array('size' => '20', 'maxlength' => '50');
|
||
|
$mform->addElement('passwordunmask', 'password', get_string('password', 'enrol_self'), $passattribs);
|
||
|
$mform->addHelpButton('password', 'password', 'enrol_self');
|
||
|
if (empty($instance->id) and $this->get_config('requirepassword')) {
|
||
|
$mform->addRule('password', get_string('required'), 'required', null, 'client');
|
||
|
}
|
||
|
$mform->addRule('password', get_string('maximumchars', '', 50), 'maxlength', 50, 'server');
|
||
|
|
||
|
$options = $this->get_groupkey_options();
|
||
|
$mform->addElement('select', 'customint1', get_string('groupkey', 'enrol_self'), $options);
|
||
|
$mform->addHelpButton('customint1', 'groupkey', 'enrol_self');
|
||
|
|
||
|
$roles = $this->extend_assignable_roles($context, $instance->roleid);
|
||
|
$mform->addElement('select', 'roleid', get_string('role', 'enrol_self'), $roles);
|
||
|
|
||
|
$options = array('optional' => true, 'defaultunit' => 86400);
|
||
|
$mform->addElement('duration', 'enrolperiod', get_string('enrolperiod', 'enrol_self'), $options);
|
||
|
$mform->addHelpButton('enrolperiod', 'enrolperiod', 'enrol_self');
|
||
|
|
||
|
$options = $this->get_expirynotify_options();
|
||
|
$mform->addElement('select', 'expirynotify', get_string('expirynotify', 'core_enrol'), $options);
|
||
|
$mform->addHelpButton('expirynotify', 'expirynotify', 'core_enrol');
|
||
|
|
||
|
$options = array('optional' => false, 'defaultunit' => 86400);
|
||
|
$mform->addElement('duration', 'expirythreshold', get_string('expirythreshold', 'core_enrol'), $options);
|
||
|
$mform->addHelpButton('expirythreshold', 'expirythreshold', 'core_enrol');
|
||
|
$mform->disabledIf('expirythreshold', 'expirynotify', 'eq', 0);
|
||
|
|
||
|
$options = array('optional' => true);
|
||
|
$mform->addElement('date_time_selector', 'enrolstartdate', get_string('enrolstartdate', 'enrol_self'), $options);
|
||
|
$mform->setDefault('enrolstartdate', 0);
|
||
|
$mform->addHelpButton('enrolstartdate', 'enrolstartdate', 'enrol_self');
|
||
|
|
||
|
$options = array('optional' => true);
|
||
|
$mform->addElement('date_time_selector', 'enrolenddate', get_string('enrolenddate', 'enrol_self'), $options);
|
||
|
$mform->setDefault('enrolenddate', 0);
|
||
|
$mform->addHelpButton('enrolenddate', 'enrolenddate', 'enrol_self');
|
||
|
|
||
|
$options = $this->get_longtimenosee_options();
|
||
|
$mform->addElement('select', 'customint2', get_string('longtimenosee', 'enrol_self'), $options);
|
||
|
$mform->addHelpButton('customint2', 'longtimenosee', 'enrol_self');
|
||
|
|
||
|
$mform->addElement('text', 'customint3', get_string('maxenrolled', 'enrol_self'));
|
||
|
$mform->addHelpButton('customint3', 'maxenrolled', 'enrol_self');
|
||
|
$mform->setType('customint3', PARAM_INT);
|
||
|
|
||
|
require_once($CFG->dirroot.'/cohort/lib.php');
|
||
|
|
||
|
$cohorts = array(0 => get_string('no'));
|
||
|
$allcohorts = cohort_get_available_cohorts($context, 0, 0, 0);
|
||
|
if ($instance->customint5 && !isset($allcohorts[$instance->customint5])) {
|
||
|
$c = $DB->get_record('cohort',
|
||
|
array('id' => $instance->customint5),
|
||
|
'id, name, idnumber, contextid, visible',
|
||
|
IGNORE_MISSING);
|
||
|
if ($c) {
|
||
|
// Current cohort was not found because current user can not see it. Still keep it.
|
||
|
$allcohorts[$instance->customint5] = $c;
|
||
|
}
|
||
|
}
|
||
|
foreach ($allcohorts as $c) {
|
||
|
$cohorts[$c->id] = format_string($c->name, true, array('context' => context::instance_by_id($c->contextid)));
|
||
|
if ($c->idnumber) {
|
||
|
$cohorts[$c->id] .= ' ['.s($c->idnumber).']';
|
||
|
}
|
||
|
}
|
||
|
if ($instance->customint5 && !isset($allcohorts[$instance->customint5])) {
|
||
|
// Somebody deleted a cohort, better keep the wrong value so that random ppl can not enrol.
|
||
|
$cohorts[$instance->customint5] = get_string('unknowncohort', 'cohort', $instance->customint5);
|
||
|
}
|
||
|
if (count($cohorts) > 1) {
|
||
|
$mform->addElement('select', 'customint5', get_string('cohortonly', 'enrol_self'), $cohorts);
|
||
|
$mform->addHelpButton('customint5', 'cohortonly', 'enrol_self');
|
||
|
} else {
|
||
|
$mform->addElement('hidden', 'customint5');
|
||
|
$mform->setType('customint5', PARAM_INT);
|
||
|
$mform->setConstant('customint5', 0);
|
||
|
}
|
||
|
|
||
|
$mform->addElement('select', 'customint4', get_string('sendcoursewelcomemessage', 'enrol_self'),
|
||
|
enrol_send_welcome_email_options());
|
||
|
$mform->addHelpButton('customint4', 'sendcoursewelcomemessage', 'enrol_self');
|
||
|
|
||
|
$options = array('cols' => '60', 'rows' => '8');
|
||
|
$mform->addElement('textarea', 'customtext1', get_string('customwelcomemessage', 'enrol_self'), $options);
|
||
|
$mform->addHelpButton('customtext1', 'customwelcomemessage', 'enrol_self');
|
||
|
|
||
|
if (enrol_accessing_via_instance($instance)) {
|
||
|
$warntext = get_string('instanceeditselfwarningtext', 'core_enrol');
|
||
|
$mform->addElement('static', 'selfwarn', get_string('instanceeditselfwarning', 'core_enrol'), $warntext);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* We are a good plugin and don't invent our own UI/validation code path.
|
||
|
*
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function use_standard_editing_ui() {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Perform custom validation of the data used to edit the instance.
|
||
|
*
|
||
|
* @param array $data array of ("fieldname"=>value) of submitted data
|
||
|
* @param array $files array of uploaded files "element_name"=>tmp_file_path
|
||
|
* @param object $instance The instance loaded from the DB
|
||
|
* @param context $context The context of the instance we are editing
|
||
|
* @return array of "element_name"=>"error_description" if there are errors,
|
||
|
* or an empty array if everything is OK.
|
||
|
* @return void
|
||
|
*/
|
||
|
public function edit_instance_validation($data, $files, $instance, $context) {
|
||
|
$errors = array();
|
||
|
|
||
|
$checkpassword = false;
|
||
|
|
||
|
if ($instance->id) {
|
||
|
// Check the password if we are enabling the plugin again.
|
||
|
if (($instance->status == ENROL_INSTANCE_DISABLED) && ($data['status'] == ENROL_INSTANCE_ENABLED)) {
|
||
|
$checkpassword = true;
|
||
|
}
|
||
|
|
||
|
// Check the password if the instance is enabled and the password has changed.
|
||
|
if (($data['status'] == ENROL_INSTANCE_ENABLED) && ($instance->password !== $data['password'])) {
|
||
|
$checkpassword = true;
|
||
|
}
|
||
|
} else {
|
||
|
$checkpassword = true;
|
||
|
}
|
||
|
|
||
|
if ($checkpassword) {
|
||
|
$require = $this->get_config('requirepassword');
|
||
|
$policy = $this->get_config('usepasswordpolicy');
|
||
|
if ($require and trim($data['password']) === '') {
|
||
|
$errors['password'] = get_string('required');
|
||
|
} else if (!empty($data['password']) && $policy) {
|
||
|
$errmsg = '';
|
||
|
if (!check_password_policy($data['password'], $errmsg)) {
|
||
|
$errors['password'] = $errmsg;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($data['status'] == ENROL_INSTANCE_ENABLED) {
|
||
|
if (!empty($data['enrolenddate']) and $data['enrolenddate'] < $data['enrolstartdate']) {
|
||
|
$errors['enrolenddate'] = get_string('enrolenddaterror', 'enrol_self');
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($data['expirynotify'] > 0 and $data['expirythreshold'] < 86400) {
|
||
|
$errors['expirythreshold'] = get_string('errorthresholdlow', 'core_enrol');
|
||
|
}
|
||
|
|
||
|
// Now these ones are checked by quickforms, but we may be called by the upload enrolments tool, or a webservive.
|
||
|
if (core_text::strlen($data['name']) > 255) {
|
||
|
$errors['name'] = get_string('err_maxlength', 'form', 255);
|
||
|
}
|
||
|
$validstatus = array_keys($this->get_status_options());
|
||
|
$validnewenrols = array_keys($this->get_newenrols_options());
|
||
|
if (core_text::strlen($data['password']) > 50) {
|
||
|
$errors['name'] = get_string('err_maxlength', 'form', 50);
|
||
|
}
|
||
|
$validgroupkey = array_keys($this->get_groupkey_options());
|
||
|
$context = context_course::instance($instance->courseid);
|
||
|
$validroles = array_keys($this->extend_assignable_roles($context, $instance->roleid));
|
||
|
$validexpirynotify = array_keys($this->get_expirynotify_options());
|
||
|
$validlongtimenosee = array_keys($this->get_longtimenosee_options());
|
||
|
$tovalidate = array(
|
||
|
'enrolstartdate' => PARAM_INT,
|
||
|
'enrolenddate' => PARAM_INT,
|
||
|
'name' => PARAM_TEXT,
|
||
|
'customint1' => $validgroupkey,
|
||
|
'customint2' => $validlongtimenosee,
|
||
|
'customint3' => PARAM_INT,
|
||
|
'customint4' => PARAM_INT,
|
||
|
'customint5' => PARAM_INT,
|
||
|
'customint6' => $validnewenrols,
|
||
|
'status' => $validstatus,
|
||
|
'enrolperiod' => PARAM_INT,
|
||
|
'expirynotify' => $validexpirynotify,
|
||
|
'roleid' => $validroles
|
||
|
);
|
||
|
if ($data['expirynotify'] != 0) {
|
||
|
$tovalidate['expirythreshold'] = PARAM_INT;
|
||
|
}
|
||
|
$typeerrors = $this->validate_param_types($data, $tovalidate);
|
||
|
$errors = array_merge($errors, $typeerrors);
|
||
|
|
||
|
return $errors;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Add new instance of enrol plugin.
|
||
|
* @param object $course
|
||
|
* @param array $fields instance fields
|
||
|
* @return int id of new instance, null if can not be created
|
||
|
*/
|
||
|
public function add_instance($course, array $fields = null) {
|
||
|
// In the form we are representing 2 db columns with one field.
|
||
|
if (!empty($fields) && !empty($fields['expirynotify'])) {
|
||
|
if ($fields['expirynotify'] == 2) {
|
||
|
$fields['expirynotify'] = 1;
|
||
|
$fields['notifyall'] = 1;
|
||
|
} else {
|
||
|
$fields['notifyall'] = 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return parent::add_instance($course, $fields);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Update instance of enrol plugin.
|
||
|
* @param stdClass $instance
|
||
|
* @param stdClass $data modified instance fields
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function update_instance($instance, $data) {
|
||
|
// In the form we are representing 2 db columns with one field.
|
||
|
if ($data->expirynotify == 2) {
|
||
|
$data->expirynotify = 1;
|
||
|
$data->notifyall = 1;
|
||
|
} else {
|
||
|
$data->notifyall = 0;
|
||
|
}
|
||
|
// Keep previous/default value of disabled expirythreshold option.
|
||
|
if (!$data->expirynotify) {
|
||
|
$data->expirythreshold = $instance->expirythreshold;
|
||
|
}
|
||
|
// Add previous value of newenrols if disabled.
|
||
|
if (!isset($data->customint6)) {
|
||
|
$data->customint6 = $instance->customint6;
|
||
|
}
|
||
|
|
||
|
return parent::update_instance($instance, $data);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Gets a list of roles that this user can assign for the course as the default for self-enrolment.
|
||
|
*
|
||
|
* @param context $context the context.
|
||
|
* @param integer $defaultrole the id of the role that is set as the default for self-enrolment
|
||
|
* @return array index is the role id, value is the role name
|
||
|
*/
|
||
|
public function extend_assignable_roles($context, $defaultrole) {
|
||
|
global $DB;
|
||
|
|
||
|
$roles = get_assignable_roles($context, ROLENAME_BOTH);
|
||
|
if (!isset($roles[$defaultrole])) {
|
||
|
if ($role = $DB->get_record('role', array('id' => $defaultrole))) {
|
||
|
$roles[$defaultrole] = role_get_name($role, $context, ROLENAME_BOTH);
|
||
|
}
|
||
|
}
|
||
|
return $roles;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the "from" contact which the email will be sent from.
|
||
|
*
|
||
|
* @param int $sendoption send email from constant ENROL_SEND_EMAIL_FROM_*
|
||
|
* @param $context context where the user will be fetched
|
||
|
* @return mixed|stdClass the contact user object.
|
||
|
*/
|
||
|
public function get_welcome_email_contact($sendoption, $context) {
|
||
|
global $CFG;
|
||
|
|
||
|
$contact = null;
|
||
|
// Send as the first user assigned as the course contact.
|
||
|
if ($sendoption == ENROL_SEND_EMAIL_FROM_COURSE_CONTACT) {
|
||
|
$rusers = array();
|
||
|
if (!empty($CFG->coursecontact)) {
|
||
|
$croles = explode(',', $CFG->coursecontact);
|
||
|
list($sort, $sortparams) = users_order_by_sql('u');
|
||
|
// We only use the first user.
|
||
|
$i = 0;
|
||
|
do {
|
||
|
$allnames = get_all_user_name_fields(true, 'u');
|
||
|
$rusers = get_role_users($croles[$i], $context, true, 'u.id, u.confirmed, u.username, '. $allnames . ',
|
||
|
u.email, r.sortorder, ra.id', 'r.sortorder, ra.id ASC, ' . $sort, null, '', '', '', '', $sortparams);
|
||
|
$i++;
|
||
|
} while (empty($rusers) && !empty($croles[$i]));
|
||
|
}
|
||
|
if ($rusers) {
|
||
|
$contact = array_values($rusers)[0];
|
||
|
}
|
||
|
} else if ($sendoption == ENROL_SEND_EMAIL_FROM_KEY_HOLDER) {
|
||
|
// Send as the first user with enrol/self:holdkey capability assigned in the course.
|
||
|
list($sort) = users_order_by_sql('u');
|
||
|
$keyholders = get_users_by_capability($context, 'enrol/self:holdkey', 'u.*', $sort);
|
||
|
if (!empty($keyholders)) {
|
||
|
$contact = array_values($keyholders)[0];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// If send welcome email option is set to no reply or if none of the previous options have
|
||
|
// returned a contact send welcome message as noreplyuser.
|
||
|
if ($sendoption == ENROL_SEND_EMAIL_FROM_NOREPLY || empty($contact)) {
|
||
|
$contact = core_user::get_noreply_user();
|
||
|
}
|
||
|
|
||
|
return $contact;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get icon mapping for font-awesome.
|
||
|
*/
|
||
|
function enrol_self_get_fontawesome_icon_map() {
|
||
|
return [
|
||
|
'enrol_self:withkey' => 'fa-key',
|
||
|
'enrol_self:withoutkey' => 'fa-sign-in',
|
||
|
];
|
||
|
}
|