/// <summary>
/// Updates an existing domain.
/// </summary>
/// <param name="id">ID of the domain to update.</param>
/// <param name="name">The new domain name to set.</param>
/// <returns>Returns the updated domain.</returns>
/// <exception cref="EntityNotFoundException">Thrown if no matching domain could be found.</exception>
public async Task <Domain> UpdateDomain(Guid id, string name)
{
Domain domain = await GetDomain(id);
domain.Name = name;
return(await DomainRepository.UpdateDomain(domain));
}