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<?php
/**
* change_view.php - contains Course_ChangeViewController
*
* This controller realises a redirector for administrative pages
*
* 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 Thomas Hackl <thomas.hackl@uni-passau.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @since 2.2
*/
class Course_ChangeViewController extends AuthenticatedController
{
// see Trails_Controller#before_filter
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
$this->course_id = Course::findCurrent()->id;
}
/**
* Sets the current course into participant view.
* Only available for tutor upwards.
*
* @throws Trails_Exception Someone with unfitting rights tried to call here.
*/
public function set_changed_view_action()
{
if (!$GLOBALS['perm']->have_studip_perm('tutor', $this->course_id)) {
throw new AccessDeniedException();
}
$_SESSION["seminar_change_view_{$this->course_id}"] = 'autor';
$this->relocate('course/overview');
}
/**
* Resets a course currently in participant view to normal view
* with real rights.
*
* @throws Trails_Exception Someone with unfitting rights tried to call here.
*/
public function reset_changed_view_action()
{
unset($_SESSION["seminar_change_view_{$this->course_id}"]);
$this->relocate('course/management');
}
}
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