public async Task <JsonResult> AddMember(string accountName, string memberName, bool isAdmin)
        {
            var account = GetAccount(accountName);

            if (account == null ||
                ActionsRequiringPermissions.ManageMembership.CheckPermissions(GetCurrentUser(), account)
                != PermissionsCheckResult.Allowed)
            {
                return(Json(HttpStatusCode.Forbidden, Strings.Unauthorized));
            }

            if (!account.Confirmed)
            {
                return(Json(HttpStatusCode.BadRequest, Strings.Member_OrganizationUnconfirmed));
            }

            try
            {
                var request = await UserService.AddMembershipRequestAsync(account, memberName, isAdmin);

                var currentUser = GetCurrentUser();

                var profileUrl = Url.User(account, relativeUrl: false);
                var confirmUrl = Url.AcceptOrganizationMembershipRequest(request, relativeUrl: false);
                var rejectUrl  = Url.RejectOrganizationMembershipRequest(request, relativeUrl: false);
                var cancelUrl  = Url.CancelOrganizationMembershipRequest(memberName, relativeUrl: false);

                MessageService.SendOrganizationMembershipRequest(account, request.NewMember, currentUser, request.IsAdmin, profileUrl, confirmUrl, rejectUrl);
                MessageService.SendOrganizationMembershipRequestInitiatedNotice(account, currentUser, request.NewMember, request.IsAdmin, cancelUrl);

                return(Json(new OrganizationMemberViewModel(request)));
            }
            catch (EntityException e)
            {
                return(Json(HttpStatusCode.BadRequest, e.Message));
            }
        }