* - DELETE ALL SENT FILES
 * - DELETE 1 SENT FILE
 * - EDIT FEEDBACK
 */
if (isset($_GET['deleteReceived']) || isset($_GET['deleteSent']) || isset($_GET['showFeedback']) || isset($_GET['editFeedback'])) {
    if ($_GET['mailing']) {
        getUserOwningThisMailing($_GET['mailing'], $_user['user_id'], '408');
        $dropbox_person = new Dropbox_Person($_GET['mailing'], $is_courseAdmin, $is_courseTutor);
    } else {
        $dropbox_person = new Dropbox_Person($_user['user_id'], $is_courseAdmin, $is_courseTutor);
    }
    if (isset($_SESSION['sentOrder'])) {
        $dropbox_person->orderSentWork($_SESSION['sentOrder']);
    }
    if (isset($_SESSION['receivedOrder'])) {
        $dropbox_person->orderReceivedWork($_SESSION['receivedOrder']);
    }
    /*if (!$dropbox_person->isCourseAdmin || ! $dropbox_person->isCourseTutor) {
    	    die(get_lang('GeneralError').' (code 408)');
    	}*/
    $tellUser = get_lang('FileDeleted');
    if (isset($_GET['deleteReceived'])) {
        if ($_GET['deleteReceived'] == 'all') {
            $dropbox_person->deleteAllReceivedWork();
        } elseif (is_numeric($_GET['deleteReceived'])) {
            $dropbox_person->deleteReceivedWork($_GET['deleteReceived']);
        } else {
            die(get_lang('GeneralError') . ' (code 409)');
        }
    } elseif (isset($_GET['deleteSent'])) {
        if ($_GET['deleteSent'] == 'all') {