/**
* Prepares the parameters for the request
*
* @param OperationInterface $operation
*
* @return array
*/
protected function prepareRequestParams(OperationInterface $operation)
{
$baseRequestParams = array('Service' => 'AWSECommerceService', 'AWSAccessKeyId' => $this->configuration->getAccessKey(), 'AssociateTag' => $this->configuration->getAssociateTag(), 'Operation' => $operation->getName(), 'Version' => '2011-08-01', 'Timestamp' => Util::getTimeStamp());
$operationParams = $operation->getOperationParameter();
foreach ($operationParams as $key => $value) {
if (true === is_array($value)) {
$operationParams[$key] = implode(',', $value);
}
}
$fullParameterList = array_merge($baseRequestParams, $operationParams);
ksort($fullParameterList);
return $fullParameterList;
}
/**
* Provides some necessary soap headers
*
* @param OperationInterface $operation
*
* @return array Each element is a concrete SoapHeader object
*/
protected function buildSoapHeader(OperationInterface $operation)
{
$timeStamp = Util::getTimeStamp();
$signature = $this->buildSignature($operation->getName() . $timeStamp);
return array(new \SoapHeader('http://security.amazonaws.com/doc/2007-01-01/', 'AWSAccessKeyId', $this->configuration->getAccessKey()), new \SoapHeader('http://security.amazonaws.com/doc/2007-01-01/', 'Timestamp', $timeStamp), new \SoapHeader('http://security.amazonaws.com/doc/2007-01-01/', 'Signature', $signature));
}
