public async Task<IHttpActionResult> Register(RegisterBindingModel model)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var user = new DirectoryMemberInfo() { UserName = model.Email, Email = model.Email };

            IdentityResult result = await UserManager.CreateAsync(user, model.Password);

            if (!result.Succeeded)
            {
                return GetErrorResult(result);
            }

            return Ok();
        }
        public async Task<IHttpActionResult> RegisterExternal(RegisterExternalBindingModel model)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var info = await Authentication.GetExternalLoginInfoAsync();
            if (info == null)
            {
                return InternalServerError();
            }

            var user = new DirectoryMemberInfo() { UserName = model.Email, Email = model.Email };

            IdentityResult result = await UserManager.CreateAsync(user);
            if (!result.Succeeded)
            {
                return GetErrorResult(result);
            }

            result = await UserManager.AddLoginAsync(user.Id, info.Login);
            if (!result.Succeeded)
            {
                return GetErrorResult(result); 
            }
            return Ok();
        }
        public ActionResult MembershipScope(string memberId)
        {
            DirectoryMemberInfo p = null;

            if (memberId == null)
                p = new DirectoryMemberInfo()
                {
                    UserName = "******",
                    GivenName = "John",
                    SurName = "Doe",
                    MembershipScope = 81
                };
            else
            {
                p = db.DirectoryMembers.GetByID(memberId);
            }


            List<MembershipScope> scopes = db.MembershipScopes.Get().OrderBy(x => x.Caption).ToList();
            System.Type t = scopes.ToEnum(x => x.LiteralName, x => x.BinaryValue);

            List<MembershipScopeEditorItem> items = new List<MembershipScopeEditorItem>();
            foreach (MembershipScope scope in scopes)
            {
                items.Add(new MembershipScopeEditorItem()
                {
                    Challenge = p.MembershipScope,
                    Scope = scope,
                    MembershipScopeType = t
                });
            }


            MembershipScopeModel m = new MembershipScopeModel()
            {
                Person = p,
                MembershipScopes = items
            };


            return View(m);
        }