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<?php
/**
* LtiToolModule.php - LTI consumer API for Stud.IP
*
* This program 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 2 of
* the License, or (at your option) any later version.
*
* @author Elmar Ludwig
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
*/
class LtiToolModule extends CorePlugin implements StudipModule, SystemPlugin, PrivacyPlugin
{
/**
* Initialize the LtiToolModule.
*/
public function __construct()
{
parent::__construct();
if ($GLOBALS['perm']->have_perm('root')) {
Navigation::addItem('/admin/config/lti', new Navigation(_('LTI-Tools'), 'dispatch.php/admin/lti'));
}
NotificationCenter::on('UserDidDelete', function ($event, $user) {
LtiGrade::deleteBySQL('user_id = ?', [$user->id]);
});
NotificationCenter::on('CourseDidDelete', function ($event, $course) {
LtiDeployment::deleteBySQL('course_id = ?', [$course->id]);
});
}
/**
* {@inheritdoc}
*/
public function getIconNavigation($course_id, $last_visit, $user_id)
{
if ($user_id === 'nobody') {
return null;
}
$changed = LtiDeployment::countBySQL('course_id = ? AND chdate > ?', [$course_id, $last_visit]);
$icon = Icon::create('plugin', $changed ? Icon::ROLE_NEW : Icon::ROLE_CLICKABLE);
$navigation = new Navigation(_('LTI-Tools'), 'dispatch.php/course/lti');
$navigation->setImage($icon);
$navigation->setLinkAttributes(['title' => _('LTI-Tools')]);
return $navigation;
}
/**
* {@inheritdoc}
*/
public function getTabNavigation($course_id)
{
if ($GLOBALS['user']->id === 'nobody') {
return [];
}
$grades = LtiDeployment::countBySQL('course_id = ?', [$course_id]);
$navigation = new Navigation(_('LTI-Tools'));
$navigation->setImage(Icon::create('link-extern', Icon::ROLE_INFO_ALT));
$navigation->setActiveImage(Icon::create('link-extern', Icon::ROLE_INFO));
$navigation->addSubNavigation('index', new Navigation(_('LTI-Tools'), 'dispatch.php/course/lti'));
if ($grades) {
$navigation->addSubNavigation('grades', new Navigation(_('Ergebnisse'), 'dispatch.php/course/lti/grades'));
}
return ['lti' => $navigation];
}
/**
* {@inheritdoc}
*/
public function getInfoTemplate($course_id)
{
return null;
}
/**
* {@inheritdoc}
*/
public function exportUserData(StoredUserData $storage)
{
$db = DBManager::get();
$data = $db->fetchAll('SELECT * FROM lti_grade WHERE user_id = ?', [$storage->user_id]);
$storage->addTabularData(_('LTI-Ergebnisse'), 'lti_grade', $data);
}
/**
* {@inheritdoc}
*/
public function getMetadata()
{
return [
'summary' => _('Anbindung von LTI-Tools'),
'description' => _('Mit diesem Werkzeug können LTI-Tools eingebunden werden, '.
'sofern diese LTI in Version 1.0, 1.1 oder 1.3A unterstützen.'),
'category' => _('Kommunikation und Zusammenarbeit'),
'keywords' => implode(';', ['LTI', _('LTI-Tools'), _('E-Learning')]),
'icon' => Icon::create('plugin', Icon::ROLE_INFO),
'icon_clickable' => Icon::create('plugin'),
'screenshots' => [
'path' => 'assets/images/plus/screenshots/Lti',
'pictures' => [
0 => ['source' => 'LTI_Tool_hinzufuegen.jpg', 'title' => _('LTI-Tool hinzufügen')],
]
],
'displayname' => _('LTI-Tools')
];
}
}
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