/**
* Serialize additional parameters
*
* @param OperationInterface $operation Operation that owns the command
* @param CommandInterface $command Command to prepare
* @param RequestInterface $request Request to serialize
* @param Parameter $additional Additional parameters
*
* @return null|RequestVisitorInterface
*/
protected function prepareAdditionalParameters(OperationInterface $operation, CommandInterface $command, RequestInterface $request, Parameter $additional)
{
if (!($location = $additional->getLocation())) {
return;
}
$visitor = $this->factory->getRequestVisitor($location);
$hidden = $command[$command::HIDDEN_PARAMS];
foreach ($command->toArray() as $key => $value) {
// Ignore values that are null or built-in command options
if ($value !== null && !in_array($key, $hidden) && !$operation->hasParam($key)) {
$additional->setName($key);
$visitor->visit($command, $request, $additional, $value);
}
}
return $visitor;
}
