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<?php
/**
* *************************************************************************
* * Apply Enrol **
* *************************************************************************
* @copyright emeneo.com **
* @link emeneo.com **
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later **
* *************************************************************************
* ************************************************************************
*/
/** User participation in course is suspended (used in user_enrolments->status) */
define('ENROL_APPLY_USER_WAIT', 2);
class enrol_apply_plugin extends enrol_plugin {
/**
* Add new instance of enrol plugin with default settings.
* @param object $course
* @return int id of new instance
*/
public function add_default_instance($course) {
$fields = $this->get_instance_defaults();
return $this->add_instance($course, $fields);
}
public function allow_unenrol(stdClass $instance) {
// Users with unenrol cap may unenrol other users manually.
return true;
}
/**
* Returns link to page which may be used to add new instance of enrolment plugin in course.
* Multiple instances supported.
* @param int $courseid
* @return moodle_url page url
*/
public function get_newinstance_link($courseid) {
$context = context_course::instance($courseid, MUST_EXIST);
if (!has_capability('moodle/course:enrolconfig', $context) or !has_capability('enrol/apply:config', $context)) {
return NULL;
}
return new moodle_url('/enrol/apply/edit.php', array('courseid'=>$courseid));
}
public function enrol_page_hook(stdClass $instance) {
global $CFG, $OUTPUT, $SESSION, $USER, $DB;
if (isguestuser()) {
// can not enrol guest!!
return null;
}
if ($DB->record_exists('user_enrolments', array('userid'=>$USER->id, 'enrolid'=>$instance->id))) {
return $OUTPUT->notification(get_string('notification', 'enrol_apply'), 'notifysuccess');
}
require_once("$CFG->dirroot/enrol/apply/apply_form.php");
$form = new enrol_apply_apply_form(NULL, $instance);
if ($data = $form->get_data()) {
// Only process when form submission is for this instance (multi instance support).
if ($data->instance == $instance->id) {
$timestart = 0;
$timeend = 0;
$roleid = $instance->roleid;
$this->enrol_user($instance, $USER->id, $roleid, $timestart, $timeend, ENROL_USER_SUSPENDED);
$userenrolment = $DB->get_record('user_enrolments', array('userid' => $USER->id, 'enrolid' => $instance->id), 'id', MUST_EXIST);
$applicationinfo = new stdClass();
$applicationinfo->userenrolmentid = $userenrolment->id;
$applicationinfo->comment = $data->applydescription;
$DB->insert_record('enrol_apply_applicationinfo', $applicationinfo, false);
$this->send_application_notification($instance, $USER->id, $data);
redirect("$CFG->wwwroot/course/view.php?id=$instance->courseid");
}
}
$output = $form->render();
return $OUTPUT->box($output);
}
public function get_action_icons(stdClass $instance) {
global $OUTPUT;
if ($instance->enrol !== 'apply') {
throw new coding_exception('invalid enrol instance!');
}
$context = context_course::instance($instance->courseid);
$icons = array();
if (has_capability('enrol/apply:config', $context)) {
$editlink = new moodle_url("/enrol/apply/edit.php", array('courseid'=>$instance->courseid, 'id'=>$instance->id));
$icons[] = $OUTPUT->action_icon($editlink, new pix_icon('t/edit', get_string('edit'), 'core', array('class' => 'iconsmall')));
}
if (has_capability('enrol/apply:manageapplications', $context)) {
$managelink = new moodle_url("/enrol/apply/manage.php", array('id'=>$instance->id));
$icons[] = $OUTPUT->action_icon($managelink, new pix_icon('i/users', get_string('confirmenrol', 'enrol_apply'), 'core', array('class'=>'iconsmall')));
}
return $icons;
}
/**
* 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);
return has_capability('enrol/apply:config', $context);
}
/**
* 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/apply:config', $context);
}
/**
* Sets up navigation entries.
*
* @param stdClass $instancesnode
* @param stdClass $instance
* @return void
*/
public function add_course_navigation($instancesnode, stdClass $instance) {
if ($instance->enrol !== 'apply') {
throw new coding_exception('Invalid enrol instance type!');
}
$context = context_course::instance($instance->courseid);
if (has_capability('enrol/apply:config', $context)) {
$managelink = new moodle_url('/enrol/apply/edit.php', array('courseid'=>$instance->courseid, 'id'=>$instance->id));
$instancesnode->add($this->get_instance_name($instance), $managelink, navigation_node::TYPE_SETTING);
}
}
public function get_user_enrolment_actions(course_enrolment_manager $manager, $ue) {
$actions = array();
$context = $manager->get_context();
$instance = $ue->enrolmentinstance;
$params = $manager->get_moodlepage()->url->params();
$params['ue'] = $ue->id;
if ($this->allow_unenrol_user($instance, $ue) && has_capability("enrol/apply:unenrol", $context)) {
$url = new moodle_url('/enrol/unenroluser.php', $params);
$actions[] = new user_enrolment_action(
new pix_icon('t/delete', ''),
get_string('unenrol', 'enrol'),
$url,
array('class' => 'unenrollink', 'rel' => $ue->id));
}
return $actions;
}
/**
* Returns defaults for new instances.
* @return array
*/
public function get_instance_defaults() {
$fields = array();
$fields['status'] = $this->get_config('status');
$fields['roleid'] = $this->get_config('roleid', 0);
$fields['customint1'] = $this->get_config('show_standard_user_profile');
$fields['customint2'] = $this->get_config('show_extra_user_profile');
$fields['customint3'] = $this->get_config('sendmailtoteacher');
$fields['customint4'] = $this->get_config('sendmailtomanager');
return $fields;
}
function confirmEnrolment($enrols){
global $DB;
foreach ($enrols as $enrol){
// $userenrolment = $DB->get_record('user_enrolments', array('id' => $enrol), '*', MUST_EXIST);
$userenrolment = $DB->get_record_select(
'user_enrolments',
'id = :id AND (status = :enrolusersuspended OR status = :enrolapplyuserwait)',
array(
'id' => $enrol,
'enrolusersuspended' => ENROL_USER_SUSPENDED,
'enrolapplyuserwait' => ENROL_APPLY_USER_WAIT),
'*',
MUST_EXIST);
$instance = $DB->get_record('enrol', array('id' => $userenrolment->enrolid, 'enrol' => 'apply'), '*', MUST_EXIST);
// Check privileges.
$context = context_course::instance($instance->courseid, MUST_EXIST);
if (!has_capability('enrol/apply:manageapplications', $context)) {
continue;
}
$this->update_user_enrol($instance, $userenrolment->userid, ENROL_USER_ACTIVE);
$DB->delete_records('enrol_apply_applicationinfo', array('userenrolmentid' => $enrol));
$subject = get_config('enrol_apply', 'confirmmailsubject');
$body = get_config('enrol_apply', 'confirmmailcontent');
$this->send_mail_to_applicant($instance, $userenrolment->userid, $subject, $body);
}
}
function waitEnrolment($enrols){
global $DB;
foreach ($enrols as $enrol){
$userenrolment = $DB->get_record('user_enrolments', array('id' => $enrol, 'status' => ENROL_USER_SUSPENDED), '*', IGNORE_MISSING);
if ($userenrolment != null) {
$instance = $DB->get_record('enrol', array('id' => $userenrolment->enrolid, 'enrol' => 'apply'), '*', MUST_EXIST);
// Check privileges.
$context = context_course::instance($instance->courseid, MUST_EXIST);
if (!has_capability('enrol/apply:manageapplications', $context)) {
continue;
}
$this->update_user_enrol($instance, $userenrolment->userid, ENROL_APPLY_USER_WAIT);
$subject = get_config('enrol_apply', 'waitmailsubject');
$body = get_config('enrol_apply', 'waitmailcontent');
$this->send_mail_to_applicant($instance, $userenrolment->userid, $subject, $body);
}
}
}
function cancelEnrolment($enrols){
global $DB;
foreach ($enrols as $enrol){
$userenrolment = $DB->get_record_select(
'user_enrolments',
'id = :id AND (status = :enrolusersuspended OR status = :enrolapplyuserwait)',
array(
'id' => $enrol,
'enrolusersuspended' => ENROL_USER_SUSPENDED,
'enrolapplyuserwait' => ENROL_APPLY_USER_WAIT),
'*',
MUST_EXIST);
$instance = $DB->get_record('enrol', array('id' => $userenrolment->enrolid, 'enrol' => 'apply'), '*', MUST_EXIST);
// Check privileges.
$context = context_course::instance($instance->courseid, MUST_EXIST);
if (!has_capability('enrol/apply:manageapplications', $context)) {
continue;
}
$this->unenrol_user($instance, $userenrolment->userid);
$DB->delete_records('enrol_apply_applicationinfo', array('userenrolmentid' => $enrol));
$subject = get_config('enrol_apply', 'cancelmailsubject');
$body = get_config('enrol_apply', 'cancelmailcontent');
$this->send_mail_to_applicant($instance, $userenrolment->userid, $subject, $body);
}
}
function send_mail_to_applicant($instance, $userid, $subject, $body) {
global $DB;
global $CFG;
$course = get_course($instance->courseid);
$user = core_user::get_user($userid);
$body = $this->updateMailContent($body, $course, $user);
$contact = core_user::get_support_user();
email_to_user($user, $contact, $subject, html_to_text($body), $body);
}
function send_application_notification($instance, $userid, $data) {
global $CFG, $PAGE;
$renderer = $PAGE->get_renderer('enrol_apply');
$course = get_course($instance->courseid);
$user = core_user::get_user($userid);
$contact = core_user::get_support_user();
// Include standard user profile fields?
$standarduserfields = null;
if ($instance->customint1) {
$standarduserfields = clone $data;
unset($standarduserfields->applydescription);
}
// Include extra user profile fields?
$extrauserfields = null;
if ($instance->customint2) {
require_once($CFG->dirroot.'/user/profile/lib.php');
profile_load_custom_fields($user);
$extrauserfields = $user->profile;
}
// Send notification to Teachers? Instance depending.
if ($instance->customint3 == 1) {
$context = context_course::instance($instance->courseid);
$editingteacherroles = get_archetype_roles('editingteacher');
$editingteacherrole = reset($editingteacherroles);
$teachers = get_role_users($editingteacherrole->id, $context);
$manageurl = new moodle_url("/enrol/apply/manage.php", array('id' => $instance->id));
$body = $renderer->application_notification_mail_body($course, $user, $manageurl, $data->applydescription, $standarduserfields, $extrauserfields);
foreach ($teachers as $teacher) {
email_to_user($teacher, $contact, get_string('mailtoteacher_suject', 'enrol_apply'), html_to_text($body), $body);
}
}
// Send notification to managers in system context?
if (get_config('enrol_apply', 'sendmailtomanager') == 1) {
$context = context_system::instance();
$managerroles = get_archetype_roles('manager');
$managerrole = reset($editingteacherroles);
$managers = get_role_users($managerrole->id, $context);
$manageurl = new moodle_url('/enrol/apply/manage.php');
$body = $renderer->application_notification_mail_body($course, $user, $manageurl, $data->applydescription, $standarduserfields, $extrauserfields);
foreach ($managers as $manager) {
email_to_user($manager, $contact, get_string('mailtoteacher_suject', 'enrol_apply'), html_to_text($body), $body);
}
}
}
function updateMailContent($content, $course, $user) {
$replace = array(
'firstname' => $user->firstname,
'content' => format_string($course->fullname),
'lastname' => $user->lastname,
'username' => $user->username);
foreach ($replace as $key=>$val) {
$content = str_replace("{".$key."}",$val,$content);
}
return $content;
}
}