prepareCustomerGroupData example

/** * @throws ValidationException * @throws Exception * * @return Group */
    public function create(array $params)
    {
        $this->checkPrivilege('create');

        $params = $this->prepareCustomerGroupData($params);

        $result = new Group();

        $discounts = $params['discounts'];
        unset($params['discounts']);

        $result->fromArray($params);

        $violations = $this->getManager()->validate($result);
        if ($violations->count() > 0) {
            throw new ValidationException($violations);
        }