Template::save

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

	$result = TemplateTable::update($this->templateId, $data);

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

	$template = TemplateTable::getByPrimary($this->templateId)->fetchObject();

	return $template;
}