public async Task <UserRegistrationResponse> Register(UserRegistrationRequest request)
{
var(passwordHash, passwordSalt) = _passwordHashService.Generate(request.Password);
var password = new Password(passwordHash, passwordSalt);
var user = new User(
request.Email,
request.Name,
password,
request.DateOfBirth,
_mapper.Map <GenderDto, Gender>(request.Gender),
_clock.GetCurrentInstant()
);
_dbContext.Users.Add(user);
await _dbContext.SaveChangesAsync();
var registeredUserDto = new RegisteredUserDto(user.Id);
return(new UserRegistrationResponse(registeredUserDto, _tokenService.Generate(user)));
}