public async Task<IHttpActionResult> UserSetRole(UserSetRoleViewModel userSetRoleViewModel)
        {
            IdentityResult result;
            IdentityUser user = await userManager.FindByIdAsync(userSetRoleViewModel.IdentityId);
            var exists = await userManager.IsInRoleAsync(user.Id, userSetRoleViewModel.RoleName);
            if (exists)
            {
                result = await userManager.RemoveFromRoleAsync(user.Id, userSetRoleViewModel.RoleName);
            }
            else
            {
                result = await userManager.AddToRoleAsync(user.Id, userSetRoleViewModel.RoleName);
            }
            var errorResult = GetErrorResult(result);

            if (errorResult != null)
            {
                return errorResult;
            }
            return Ok();
        }
        public async Task<IHttpActionResult> RegisterUserAndEmployee(
            RegisterUserAndEmployeeViewModel userAndEmployeeViewModel)
        {
            userAndEmployeeViewModel.StaffId = Guid.NewGuid();
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var user = new IdentityEmployee
            {
                StaffId = userAndEmployeeViewModel.StaffId,
                UserName = userAndEmployeeViewModel.EmailAddress
            };

            var result = await userManager.CreateAsync(user, "123123");
            var errorResult = GetErrorResult(result);

            if (errorResult != null)
            {
                return errorResult;
            }
            var userSetRoleViewModel = new UserSetRoleViewModel();
            userSetRoleViewModel.IdentityId = user.Id;
            userSetRoleViewModel.RoleName = "user";
            await UserSetRole(userSetRoleViewModel);

            var employee = new Employee
            {
                FirstName = userAndEmployeeViewModel.FirstName,
                LastName = userAndEmployeeViewModel.LastName,
                HolidayAllowance = 25,
                RemainingAllowance = 25,
                HolidayBookings = new List<EmployeeHolidayBooking>(),
                StaffId = userAndEmployeeViewModel.StaffId,
                TeamId = userAndEmployeeViewModel.TeamId
            };
            employeeDataService.Create(employee);

            return Ok();
        }