moodle/course/unenrol.php

82 lines
2.9 KiB
PHP

<?php // $Id$
// Remove oneself or someone else from a course, unassigning all
// roles one might have
//
// This will not delete any of their data from the course,
// but will remove them from the participant list and prevent
// any course email being sent to them.
require_once("../config.php");
require_once("lib.php");
$id = required_param('id', PARAM_INT); //course
$userid = optional_param('user', 0, PARAM_INT); //course
$confirm = optional_param('confirm', 0, PARAM_BOOL);
if (! $course = get_record('course', 'id', $id) ) {
error('Invalid course id');
}
if (! $context = get_context_instance(CONTEXT_COURSE, $course->id)) {
error('Invalid context');
}
require_login($course->id);
if ($course->metacourse) {
print_error('cantunenrollfrommetacourse', '', $CFG->wwwroot.'/course/view.php?id='.$course->id);
}
if ($userid) { // Unenrolling someone else
require_capability('moodle/role:assign', $context, NULL, false);
} else { // Unenrol yourself
require_capability('moodle/role:unassignself', $context, NULL, false);
}
if (!empty($USER->switchrole[$context->id])) {
print_error('cantunenrollinthisrole', '', $CFG->wwwroot.'/course/view.php?id='.$course->id);
}
if ($confirm and confirm_sesskey()) {
if ($userid) {
if (! role_unassign(0, $userid, 0, $context->id)) {
error("An error occurred while trying to unenrol that person.");
}
add_to_log($course->id, 'course', 'unenrol', "view.php?id=$course->id", $userid);
redirect($CFG->wwwroot.'/user/index.php?id='.$course->id);
} else {
if (! role_unassign(0, $USER->id, 0, $context->id)) {
error("An error occurred while trying to unenrol you.");
}
add_to_log($course->id, 'course', 'unenrol', "view.php?id=$course->id", $USER->id);
redirect($CFG->wwwroot);
}
}
$strunenrol = get_string('unenrol');
print_header("$course->shortname: $strunenrol", $course->fullname,
"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> -> $strunenrol");
if ($userid) {
if (!$user = get_record('user', 'id', $userid)) {
error('That user does not exist!');
}
$strunenrolsure = get_string('unenrolsure', '', fullname($user, true));
notice_yesno($strunenrolsure, "unenrol.php?id=$id&amp;user=$user->id&amp;confirm=yes&amp;sesskey=".sesskey(),
$_SERVER['HTTP_REFERER']);
} else {
$strunenrolsure = get_string('unenrolsure', '', get_string("yourself"));
notice_yesno($strunenrolsure, "unenrol.php?id=$id&amp;confirm=yes&amp;sesskey=".sesskey(),
$_SERVER['HTTP_REFERER']);
}
print_footer($course);
?>