public function __construct(array $nested_params, array $external_params)
{
parent::__construct($nested_params, $external_params);
$this->document = new RESTApiVideoGenreDocument();
if (!empty($this->nested_params['video.category'])) {
$category = new \VideoCategory();
$category_ids = explode(',', $this->nested_params['video.category']);
foreach ($category_ids as $category_id) {
$this->categories[] = $category->getById($category_id, true);
}
if (empty($this->categories)) {
throw new RESTNotFound("Category not found");
}
}
}
