public function execute()
{
$departmentId = $_REQUEST['department'];
if (is_null($departmentId) || !isset($departmentId)) {
throw new InvalidArgumentException('Missing department id.');
}
PHPWS_Core::initModClass('intern', 'FacultyFactory.php');
PHPWS_Core::initModClass('intern', 'DepartmentFactory.php');
$department = DepartmentFactory::getDepartmentById($departmentId);
$faculty = FacultyFactory::getFacultyByDepartmentAssoc($department);
echo json_encode($faculty);
exit;
// Exit since this is called by JSON
}
