Template::insert

private function insert(array $data): TemplateObject
{
	$handler = new TemplateFieldHandler($this->userId, $data);
	$data = $handler->getFieldsToDb();

	$template = new TemplateObject($data);
	$result = $template->save();

	if (!$result->isSuccess())
	{
		throw new TemplateAddException();
	}

	return $template;
}