/**
* Determine the response content-type to return based on the view model.
*
* @param ApiProblemModel|HalJsonModel|\Zend\View\Model\ModelInterface $model
* @return string The content-type to use.
*/
private function getContentTypeFromModel($model)
{
if ($model instanceof ApiProblemModel) {
return 'application/problem+json';
}
if ($model instanceof HalJsonModel && ($model->isCollection() || $model->isEntity())) {
return 'application/hal+json';
}
return $this->contentType;
}