/**
* Identify version of requested operation.
*
* This method is required when there are two or more resource versions specified in request:
* http://magento.host/api/soap?wsdl&resources[resource_a]=v1&resources[resource_b]=v2 <br/>
* In this case it is not obvious what version of requested operation should be used.
*
* @param string $operationName
* @return int
* @throws Mage_Webapi_Exception
*/
protected function _getOperationVersion($operationName)
{
$requestedResources = $this->_request->getRequestedResources();
$resourceName = $this->_apiConfig->getResourceNameByOperation($operationName);
if (!isset($requestedResources[$resourceName])) {
throw new Mage_Webapi_Exception($this->_helper->__('The version of "%s" operation cannot be identified.', $operationName), Mage_Webapi_Exception::HTTP_NOT_FOUND);
}
$version = (int) str_replace('V', '', ucfirst($requestedResources[$resourceName]));
$this->_apiConfig->validateVersionNumber($version, $resourceName);
return $version;
}
