Proyectos de Subversion Moodle

<?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/>.

/**

 * This page shows all course enrolment options for current user.

 *

 * @package    core_enrol

 * @copyright  2010 Petr Skoda {@link http://skodak.org}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require('../config.php');

require_once("$CFG->libdir/formslib.php");

$id = required_param('id', PARAM_INT);

$returnurl = optional_param('returnurl', 0, PARAM_LOCALURL);

if (!isloggedin()) {

    $referer = get_local_referer();

    if (empty($referer)) {

        // A user that is not logged in has arrived directly on this page,

        // they should be redirected to the course page they are trying to enrol on after logging in.

        $SESSION->wantsurl = "$CFG->wwwroot/course/view.php?id=$id";

    }

    // do not use require_login here because we are usually coming from it,

    // it would also mess up the SESSION->wantsurl

    redirect(get_login_url());

}

$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);

$context = context_course::instance($course->id, MUST_EXIST);

// Everybody is enrolled on the frontpage

if ($course->id == SITEID) {

    redirect("$CFG->wwwroot/");

}

if (!$course->visible && !has_capability('moodle/course:viewhiddencourses', context_course::instance($course->id))) {

    throw new \moodle_exception('coursehidden');

}

$PAGE->set_course($course);

$PAGE->set_pagelayout('incourse');

$PAGE->set_url('/enrol/index.php', array('id'=>$course->id));

$PAGE->set_secondary_navigation(false);

$PAGE->add_body_class('limitedwidth');

// do not allow enrols when in login-as session

if (\core\session\manager::is_loggedinas() and $USER->loginascontext->contextlevel == CONTEXT_COURSE) {

    throw new \moodle_exception('loginasnoenrol', '', $CFG->wwwroot.'/course/view.php?id='.$USER->loginascontext->instanceid);

}

// Check if user has access to the category where the course is located.

if (!core_course_category::can_view_course_info($course) && !is_enrolled($context, $USER, '', true)) {

    throw new \moodle_exception('coursehidden', '', $CFG->wwwroot . '/');

}

// get all enrol forms available in this course

$enrols = enrol_get_plugins(true);

$enrolinstances = enrol_get_instances($course->id, true);

$forms = array();

foreach($enrolinstances as $instance) {

    if (!isset($enrols[$instance->enrol])) {

        continue;

    }

    $form = $enrols[$instance->enrol]->enrol_page_hook($instance);

    if ($form) {

        $forms[$instance->id] = $form;

    }

}

// Check if user already enrolled

if (is_enrolled($context, $USER, '', true)) {

    if (!empty($SESSION->wantsurl)) {

        $destination = $SESSION->wantsurl;

        unset($SESSION->wantsurl);

    } else {

        $destination = "$CFG->wwwroot/course/view.php?id=$course->id";

    }

    redirect($destination);   // Bye!

}

$PAGE->set_title($course->shortname);

$PAGE->set_heading($course->fullname);

$PAGE->navbar->add(get_string('enrolmentoptions','enrol'));

echo $OUTPUT->header();

echo $OUTPUT->heading(get_string('enrolmentoptions','enrol'));

$courserenderer = $PAGE->get_renderer('core', 'course');

echo $courserenderer->course_info_box($course);

//TODO: find if future enrolments present and display some info

foreach ($forms as $form) {

    echo $form;

}

if (!$forms) {

    if (isguestuser()) {

        notice(get_string('noguestaccess', 'enrol'), get_login_url());

    } else if ($returnurl) {

        notice(get_string('notenrollable', 'enrol'), $returnurl);

    } else {

        $url = get_local_referer(false);

        if (empty($url)) {

            $url = new moodle_url('/index.php');

        }

        notice(get_string('notenrollable', 'enrol'), $url);

    }

}

echo $OUTPUT->footer();