break;
case "get_files":
if (is_siteadmin()) {
$modules = $DB->get_record('modules', array('name' => 'turnitintooltwo'));
$PAGE->set_context($modules);
echo json_encode(turnitintooltwo_getfiles($modules->id));
}
break;
case "get_members":
$assignmentid = required_param('assignment', PARAM_INT);
$turnitintooltwoassignment = new turnitintooltwo_assignment($assignmentid);
$cm = get_coursemodule_from_instance("turnitintooltwo", $assignmentid);
$return["aaData"] = array();
if (has_capability('mod/turnitintooltwo:grade', context_module::instance($cm->id))) {
$role = required_param('role', PARAM_ALPHA);
$members = $turnitintooltwoassignment->get_tii_users_by_role($role);
$PAGE->set_context(context_module::instance($cm->id));
$turnitintooltwoview = new turnitintooltwo_view();
$return["aaData"] = $turnitintooltwoview->get_tii_members_by_role($cm, $turnitintooltwoassignment, $members, $role);
}
echo json_encode($return);
break;
case "reveal_submission_name":
if (!confirm_sesskey()) {
throw new moodle_exception('invalidsesskey', 'error');
}
$assignmentid = required_param('assignment', PARAM_INT);
$cm = get_coursemodule_from_instance("turnitintooltwo", $assignmentid);
$PAGE->set_context(context_module::instance($cm->id));
$return = array("status" => "fail", "msg" => get_string('unanonymiseerror', 'turnitintooltwo'));
if (has_capability('mod/turnitintooltwo:grade', context_module::instance($cm->id))) {
