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 file is part of BasicLTI4Moodle

//

// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)

// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web

// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI

// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS

// are already supporting or going to support BasicLTI. This project Implements the consumer

// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.

// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem

// at the GESSI research group at UPC.

// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI

// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a

// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.

//

// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis

// of the Universitat Politecnica de Catalunya http://www.upc.edu

// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.

/**

 * This file contains all necessary code to view a lti activity instance

 *

 * @package mod_lti

 * @copyright  2009 Marc Alier, Jordi Piguillem, Nikolas Galanis

 *  marc.alier@upc.edu

 * @copyright  2009 Universitat Politecnica de Catalunya http://www.upc.edu

 * @author     Marc Alier

 * @author     Jordi Piguillem

 * @author     Nikolas Galanis

 * @author     Chris Scribner

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

 */

require_once("../../config.php");

require_once($CFG->dirroot.'/mod/lti/lib.php');

require_once($CFG->dirroot.'/mod/lti/locallib.php');

$cmid = required_param('id', PARAM_INT); // Course Module ID.

$triggerview = optional_param('triggerview', 1, PARAM_BOOL);

$action = optional_param('action', '', PARAM_TEXT);

$foruserid = optional_param('user', 0, PARAM_INT);

$cm = get_coursemodule_from_id('lti', $cmid, 0, false, MUST_EXIST);

$lti = $DB->get_record('lti', array('id' => $cm->instance), '*', MUST_EXIST);

$typeid = $lti->typeid;

if (empty($typeid) && ($tool = lti_get_tool_by_url_match($lti->toolurl))) {

    $typeid = $tool->id;

}

if ($typeid) {

    $config = lti_get_type_config($typeid);

    $missingtooltype = empty($config);

    if (!$missingtooltype) {

        $config = lti_get_type_type_config($typeid);

        if ($config->lti_ltiversion === LTI_VERSION_1P3) {

            if (!isset($SESSION->lti_initiatelogin_status)) {

                $msgtype = 'basic-lti-launch-request';

                if ($action === 'gradeReport') {

                    $msgtype = 'LtiSubmissionReviewRequest';

                }

                echo lti_initiate_login($cm->course, $cmid, $lti, $config, $msgtype, '', '', $foruserid);

                exit;

            } else {

                unset($SESSION->lti_initiatelogin_status);

            }

        }

    }

}

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

$context = context_module::instance($cm->id);

require_login($course, true, $cm);

require_capability('mod/lti:view', $context);

if (!empty($missingtooltype)) {

    $PAGE->set_url(new moodle_url('/mod/lti/launch.php'));

    $PAGE->set_context($context);

    $PAGE->set_secondary_active_tab('modulepage');

    $PAGE->set_pagelayout('incourse');

    echo $OUTPUT->header();

    throw new moodle_exception('tooltypenotfounderror', 'mod_lti');

}

// Completion and trigger events.

if ($triggerview) {

    lti_view($lti, $course, $cm, $context);

}

$lti->cmid = $cm->id;

lti_launch_tool($lti, $foruserid);