public void SelectedPartnerChanged([FromBody]string selectedPartnerId) { SecretUserId userId = UserIdExtractor.ReadSecretUserIdFromRequest(this.Request); using (TransmitContext context = new TransmitContext()) { UserIdValidator validator = new UserIdValidator(context); validator.RequireSignedUserIdValid(userId); UserManager userManager = new UserManager(context); userManager.SelectedPartnerChanged(userId.UserId, (string)selectedPartnerId); } }