public static Task<bool> RegisterAsync(UserInfo user, NotificationRegistration registration)
        {
            Trace.TraceInformation("RegisterAsync");
            Trace.TraceInformation($"RegisterAsync: {user.UserInfoId} ({user.Name}), {registration.Platform}: {registration.Handle}");

            // TBD
            return Task.FromResult(true);
        }
 public async Task Post(NotificationRegistration registration)
 {
     Trace.TraceInformation("Notification Register POST");
     UserInfo user = await GetUserInfoAsync();
     Trace.TraceInformation($"Register found user {user.UserInfoId}");
     if (!await NotificationOperations.RegisterAsync(user, registration))
     {
         throw new HttpResponseException(HttpStatusCode.BadRequest);
     }
 }