public Result Handle(Command message)
{
var following = _repository.GetFollowing(message.UserId, message.FolloweeId);
if (following != null)
{
return(Result.Fail <Command> ("Following already exists."));
}
var newFollowing = Following.Create(message);
_repository.Add(newFollowing);
_repository.SaveAll();
return(Result.Ok());
}
