ListStrategy::initCategory

protected function initCategory(?int $categoryId = null): ?Category
{
	$factory = $this->getFactory($this->getEntityTypeId());
	if ($categoryId <= 0)
	{
		return ($factory->isCategoriesEnabled() ? null : $factory->createDefaultCategoryIfNotExist());
	}

	$category = $factory->getCategory($categoryId);

	return ($category ?? null);
}