//    [Route("Register")]
        public async Task <ActionResult <User> > Register([FromBody] User userDto)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest());
            }
            var user = new User
            {
                UserName = userDto.UserName,
                Email    = userDto.Email,
                Password = userDto.Password,

                PhoneNumber = userDto.PhoneNumber
            };

            try
            {
                await _context.AddAsync(user);

                await _context.SaveChangesAsync();

                return(user);
            }
            catch
            {
                return(BadRequest());
            }
        }