protected function _insert()
    {

        // set oxcreate date
        $this->oxuser__oxcreate = new \OxidEsales\Eshop\Core\Field(date('Y-m-d H:i:s'), \OxidEsales\Eshop\Core\Field::T_RAW);

        if (!isset($this->oxuser__oxboni->value)) {
            $this->oxuser__oxboni = new \OxidEsales\Eshop\Core\Field($this->getBoni(), \OxidEsales\Eshop\Core\Field::T_RAW);
        }

        return parent::_insert();
    }