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<?php // $Id$
// Depending on the current enrolment method, this page
// presents the user with whatever they need to know when
// they try to enrol in a course.
require_once("../config.php");
require_once("lib.php");
require_once("$CFG->dirroot/enrol/enrol.class.php");
$id = required_param('id', PARAM_INT);
$loginasguest = optional_param('loginasguest', 0, PARAM_BOOL);
require_login();
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);
/// Refreshing enrolment data in the USER session
if (!($plugins = explode(',', $CFG->enrol_plugins_enabled))) {
$plugins = array($CFG->enrol);
}
require_once($CFG->dirroot .'/enrol/enrol.class.php');
foreach ($plugins as $p) {
$enrol = enrolment_factory::factory($p);
if (method_exists($enrol, 'get_student_courses')) {
$enrol->get_student_courses($USER);
}
if (method_exists($enrol, 'get_teacher_courses')) {
$enrol->get_teacher_courses($USER);
}
unset($enrol);
}
$enrol = enrolment_factory::factory($course->enrol);
/// Double check just in case they are actually enrolled already
/// This might occur if they were enrolled during this session
/// also happens when course is unhidden after student logs in
if ( !empty($USER->student[$course->id]) or !empty($USER->teacher[$course->id]) ) {
if ($SESSION->wantsurl) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
}
redirect($destination);
}
/// Check if the course is a meta course
/// moved here to fix bug 5734
if ($course->metacourse) {
print_header_simple();
notice(get_string('coursenotaccessible'), "$CFG->wwwroot/index.php");
}
/// Users can't enroll to site course
if (!$course->category) {
print_header_simple();
notice(get_string('enrollfirst'), "$CFG->wwwroot/index.php");
}
/// Double check just in case they are enrolled to start in the future
if ($student = get_record('user_students', 'userid', $USER->id, 'course', $course->id)) {
if ($course->enrolperiod and $student->timestart and ($student->timestart >= time())) {
$message = get_string('enrolmentnotyet', '', userdate($student->timestart));
print_header();
notice($message, "$CFG->wwwroot/index.php");
}
}
/// Check if the course is enrollable
if (!method_exists($enrol, 'print_entry')) {
print_header_simple();
notice(get_string('enrolmentnointernal'), "$CFG->wwwroot/index.php");
}
if (!$course->enrollable ||
($course->enrollable == 2 && $course->enrolstartdate > 0 && $course->enrolstartdate > time()) ||
($course->enrollable == 2 && $course->enrolenddate > 0 && $course->enrolenddate <= time())
) {
print_header($course->shortname, $course->fullname, $course->shortname );
notice(get_string('notenrollable'), "$CFG->wwwroot/index.php");
}
/// Check the submitted enrollment key if there is one
if ($form = data_submitted()) {
//User is not enrolled in the course, wants to access course content
//as a guest, and course setting allow unlimited guest access
//
//the original idea was to use "loginas" feature, but require_login() would have to be changed
//and we would have to explain it to all users - it is now plain login action
if ($loginasguest and !empty($CFG->guestloginbutton) and ($course->guest==1 or $course->guest==2)) {
if (isset($SESSION->currentgroup)) {
unset($SESSION->currentgroup);
}
$USER = get_complete_user_data('username', 'guest'); // get full guest user data
add_to_log(SITEID, 'user', 'login', "view.php?id=$USER->id&course=".SITEID, $USER->id, 0, $USER->id);
if ($SESSION->wantsurl) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
}
redirect($destination);
}
$enrol->check_entry($form, $course);
}
$enrol->print_entry($course);
/// Easy!
?>
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