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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/>.
//
// 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');
$id = required_param('id', PARAM_INT); // Course Module ID.
$triggerview = optional_param('triggerview', 1, PARAM_BOOL);
$cm = get_coursemodule_from_id('lti', $id, 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) {
$config = lti_get_type_type_config($typeid);
if ($config->lti_ltiversion === LTI_VERSION_1P3) {
if (!isset($SESSION->lti_initiatelogin_status)) {
echo lti_initiate_login($cm->course, $id, $lti, $config);
exit;
} else {
unset($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', $context);
// Completion and trigger events.
if ($triggerview) {
lti_view($lti, $course, $cm, $context);
}
$lti->cmid = $cm->id;
lti_launch_tool($lti);