public async Task <IActionResult> Login([Bind("Login, Password")] UserModel user)
        {
            var tempUser = await _context.Users.Where(u => u.Login == user.Login).FirstOrDefaultAsync();

            var results = await ErrorHandler(user, tempUser);

            if (!results.IsNullOrEmpty())
            {
                ViewBag.Error = results;
                return(View("Index"));
            }

            var token = await JWTManager.AssignToken(tempUser);

            JwtSecurityTokenHandler tokenHandler = new JwtSecurityTokenHandler();
            string           tokenString         = tokenHandler.WriteToken(token);
            JwtSecurityToken jwtToken            = tokenHandler.ReadJwtToken(tokenString);

            HttpContext.Session.SetString("LOGIN", jwtToken.Audiences.ToArray()[0]);
            HttpContext.Session.SetString("NICKNAME", tempUser.Nickname);
            HttpContext.Session.SetString("TOKEN", tokenString);
            HttpContext.Session.SetString("ROLE", jwtToken.Claims.First(x => x.Type.ToString().Equals(ClaimTypes.Role)).Value);

            return(RedirectToAction("Index", "Home", new { pageIndex = 1 }));
        }