/**
* Get issuers
*
* @since 1.2.4
* @see http://support.buckaroo.nl/index.php/Service_iDEAL#iDEAL_banken_lijst_opvragen
* @return array
*/
public function get_issuers()
{
$issuers = array();
$url = add_query_arg('op', 'TransactionRequestSpecification', self::GATEWAY_NVP_TEST_URL);
$data = array('brq_websitekey' => $this->get_website_key(), 'brq_services' => 'ideal', 'brq_latestversiononly' => 'True');
$signature = Pronamic_WP_Pay_Gateways_Buckaroo_Security::create_signature($data, $this->get_secret_key());
$data[Pronamic_WP_Pay_Gateways_Buckaroo_Parameters::SIGNATURE] = $signature;
$result = wp_remote_post($url, array('body' => http_build_query($data)));
$body = wp_remote_retrieve_body($result);
wp_parse_str($body, $data);
$data = Pronamic_WP_Pay_Gateways_Buckaroo_Util::transform_flat_response($data);
$error_msg = __('Unable to retrieve issuers from Buckaroo.', 'pronamic_ideal');
if (200 !== wp_remote_retrieve_response_code($result)) {
$this->error = new WP_Error('buckaroo_error', $error_msg, $data);
return $issuers;
}
if (isset($data['BRQ_APIRESULT']) && 'Fail' === $data['BRQ_APIRESULT']) {
$this->error = new WP_Error('buckaroo_error', sprintf('%s %s', $error_msg, $data['BRQ_APIERRORMESSAGE']), $data);
return $issuers;
}
if (!isset($data['BRQ_SERVICES'])) {
return $issuers;
}
foreach ($data['BRQ_SERVICES'] as $service) {
if (!isset($service['NAME'], $service['VERSION'], $service['ACTIONDESCRIPTION'])) {
return $issuers;
}
if (Pronamic_WP_Pay_Gateways_Buckaroo_PaymentMethods::IDEAL !== $service['NAME']) {
continue;
}
foreach ($service['ACTIONDESCRIPTION'] as $action) {
if (!isset($action['NAME'], $action['REQUESTPARAMETERS'])) {
return $issuers;
}
if ('Pay' !== $action['NAME']) {
continue;
}
foreach ($action['REQUESTPARAMETERS'] as $parameter) {
if (!isset($parameter['NAME'], $parameter['LISTITEMDESCRIPTION'])) {
return $issuers;
}
if ('issuer' !== $parameter['NAME']) {
continue;
}
foreach ($parameter['LISTITEMDESCRIPTION'] as $issuer) {
$issuers[$issuer['VALUE']] = $issuer['DESCRIPTION'];
}
break;
}
}
}
return $issuers;
}
