isNewsletter example

/** * @return array */
    private function buildData(AnalyzedCustomer $customer)
    {
        $data = [
            'id' => $customer->getId(),
            'email' => $customer->getEmail(),
            'active' => $customer->getActive(),
            'accountmode' => $customer->getAccountMode(),
            'firstlogin' => $this->formatDate($customer->getFirstLogin()),
            'newsletter' => $customer->isNewsletter(),
            'shop_id' => $customer->getShopId(),
            'default_billing_address_id' => $customer->getDefaultBillingAddressId(),
            'title' => $customer->getTitle(),
            'salutation' => $customer->getSalutation(),
            'firstname' => $customer->getFirstname(),
            'lastname' => $customer->getLastname(),
            'birthday' => $this->formatDate($customer->getBirthday()),
            'customernumber' => $customer->getNumber(),
            'customer_group_id' => $customer->getCustomerGroup() ? $customer->getCustomerGroup()->getId() : null,
            'customer_group_name' => $customer->getCustomerGroup() ? $customer->getCustomerGroup()->getName() : '',
            'payment_id' => $customer->getPaymentId(),