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enrol.php
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enrol.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* 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.
*
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package 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); // hmm, is this still needed?
$url = new moodle_url($CFG->wwwroot.'/course/enrol.php', array('id'=>$id));
if ($loginasguest !== 0) {
$url->param('loginasguest', $loginasguest);
}
$PAGE->set_url($url);
if (!isloggedin()) {
// do not use require_login here because we are usually comming from it
redirect(get_login_url());
}
if (!$course = $DB->get_record('course', array('id'=>$id))) {
print_error("That's an invalid course id");
}
if (! $context = get_context_instance(CONTEXT_COURSE, $course->id) ) {
print_error("That's an invalid course id");
}
/// do not use when in course login as
if (session_is_loggedinas() and $USER->loginascontext->contextlevel == CONTEXT_COURSE) {
print_error('loginasnoenrol', '', $CFG->wwwroot.'/course/view.php?id='.$USER->loginascontext->instanceid);
}
$enrol = enrolment_factory::factory($course->enrol); // do not use if (!$enrol... here, it can not work in PHP4 - see MDL-7529
/// Refreshing all current role assignments for the current user
load_all_capabilities();
/// Double check just in case they are actually enrolled already and
/// thus got to this script by mistake. This might occur if enrolments
/// changed during this session or something
if (has_capability('moodle/course:view', $context) and !has_capability('moodle/legacy:guest', $context, NULL, false)) {
if (!empty($SESSION->wantsurl)) {
$destination = $SESSION->wantsurl;
unset($SESSION->wantsurl);
} else {
$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
}
redirect($destination); // Bye!
}
/// Check if the course is a meta course (bug 5734)
if ($course->metacourse) {
echo $OUTPUT->header();
notice(get_string('coursenotaccessible'), "$CFG->wwwroot/index.php");
}
/// Users can't enroll to site course
if ($course->id == SITEID) {
echo $OUTPUT->header();
notice(get_string('enrollfirst'), "$CFG->wwwroot/index.php");
}
/// Double check just in case they are enrolled to start in the future
if ($course->enrolperiod) { // Only active if the course has an enrolment period in effect
if ($roles = get_user_roles($context, $USER->id)) {
foreach ($roles as $role) {
if ($role->timestart and ($role->timestart >= time())) {
$message = get_string('enrolmentnotyet', '', userdate($student->timestart));
echo $OUTPUT->header();
notice($message, "$CFG->wwwroot/index.php");
}
}
}
}
/// Check if the course is enrollable
if (!method_exists($enrol, 'print_entry')) {
echo $OUTPUT->header();
notice(get_string('enrolmentnointernal'), "$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())
) {
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
$PAGE->navbar->add($course->shortname);
echo $OUTPUT->header();
notice(get_string('notenrollable'), "$CFG->wwwroot/index.php");
}
/// Check the submitted enrolment information if there is any (eg could be enrolment key)
if ($form = data_submitted()) {
$enrol->check_entry($form, $course); // Should terminate/redirect in here if it's all OK
}
/// Otherwise, we print the entry form.
$enrol->print_entry($course);
/// Easy!