public Authority Create(string authorityKey, string displayName)
{
if (string.IsNullOrEmpty(authorityKey))
{
throw new ArgumentNullException(nameof(authorityKey));
}
var authority = _authorityRepository.GetByKey(authorityKey).SingleOrDefault();
if (authority != null)
{
throw new AuthorityAlreadyExistsException();
}
authority = new Authorities
{
DisplayName = displayName,
Key = authorityKey
};
_authorityRepository.Insert(authority);
_authorityRepository.Save();
return(authority.ToModel());
}
