public function post(ProductCategory $productCategory)
{
$payload = $productCategory->toPost();
$parentId = $productCategory->getParentId();
// if this is the root category, specify that by making the parentId -1 and it will make sure the URL doesn't
// have a parent ID appended and instead posts straight to /ProductCategories/ for adding the root and not
// /ProductCategories/{categoryId} where categoryId is the parent
$urlExtension = $parentId == -1 ? '' : '/' . $parentId;
$response = $this->connection->post('/ProductCategories' . $urlExtension, $payload);
$body = $response->getBody();
return $this->getResponseFromBody($body);
}
