public async Task <ActionResult <UserWithToken> > Login([FromBody] TblUser user)
        {
            user = await _context.TblUsers.Include(u => u.Role)
                   .Where(u => u.Login == user.Login &&
                          u.Password == user.Password).FirstOrDefaultAsync();

            UserWithToken userWithToken = null;

            if (user != null)
            {
                TblRefreshToken refreshToken = GenerateRefreshToken();
                user.TblRefreshTokens.Add(refreshToken);
                await _context.SaveChangesAsync();

                userWithToken = new UserWithToken(user);
                userWithToken.RefreshToken = refreshToken.Token;
            }

            if (userWithToken == null)
            {
                return(NotFound());
            }

            //sign your token here here..
            userWithToken.AccessToken = GenerateAccessToken(user.Id);
            return(userWithToken);
        }