moodle/course/enrol.php

138 lines
4.1 KiB
PHP

<?PHP // $Id$
// Asks for a course pass key, once only, and enrols that user
require_once("../config.php");
require_once("lib.php");
require_variable($id);
require_login();
$strloginto = get_string("loginto", "", $course->shortname);
$strcourses = get_string("courses");
if (! $course = get_record("course", "id", $id) ) {
error("That's an invalid course id");
}
if (! $site = get_site()) {
error("Could not find a site!");
}
check_for_restricted_user($USER->username);
/// Check the submitted enrollment key if there is one
if ($form = data_submitted()) {
if ($form->password == $course->password) {
if (isguest()) {
add_to_log($course->id, "course", "guest", "view.php?id=$course->id", $_SERVER['REMOTE_ADDR']);
} else if (!record_exists("user_students", "userid", $USER->id, "course", $course->id)) {
if (! enrol_student($USER->id, $course->id)) {
error("An error occurred while trying to enrol you.");
}
$subject = get_string("welcometocourse", "", $course->fullname);
$a->coursename = $course->fullname;
$a->profileurl = "$CFG->wwwroot/user/view.php?id=$USER->id&course=$course->id";
$message = get_string("welcometocoursetext", "", $a);
if (! $teacher = get_teacher($course->id)) {
$teacher = get_admin();
}
email_to_user($USER, $teacher, $subject, $message);
add_to_log($course->id, "course", "enrol", "view.php?id=$course->id", "$USER->id");
}
$USER->student[$course->id] = true;
if ($SESSION->wantsurl) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
}
redirect($destination);
} else {
$errormsg = get_string("enrolmentkeyhint", "", substr($course->password,0,1));
}
}
/// Double check just in case they are actually enrolled already
/// This might occur if they were manually enrolled during this session
if (record_exists("user_students", "userid", $USER->id, "course", $course->id)) {
$USER->student[$course->id] = true;
if ($SESSION->wantsurl) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
}
redirect($destination);
}
/// Automatically enrol into courses without password
if ($course->password == "") { // no password, so enrol
if (isguest()) {
add_to_log($course->id, "course", "guest", "view.php?id=$course->id", "$USER->id");
} else if (empty($confirm)) {
print_header($strloginto, $course->fullname, "<a href=\".\">$strcourses</a> -> $strloginto");
echo "<br />";
notice_yesno(get_string("enrolmentconfirmation"), "enrol.php?id=$course->id&confirm=1", $CFG->wwwroot);
print_footer();
exit;
} else {
if (! enrol_student($USER->id, $course->id)) {
error("An error occurred while trying to enrol you.");
}
add_to_log($course->id, "course", "enrol", "view.php?id=$course->id", "$USER->id");
$USER->student[$course->id] = true;
if ($SESSION->wantsurl) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
}
redirect($destination);
}
}
$teacher = get_teacher($course->id);
if (!isset($password)) {
$password = "";
}
print_header($strloginto, $course->fullname, "<A HREF=\".\">$strcourses</A> -> $strloginto", "form.password");
print_course($course);
include("enrol.html");
print_footer();
?>