public async Task <IActionResult> Index(LoginVIewModel _user, string returnUrl)
        {
            var usr = await _authenticate.Auth(_user);

            if (usr.sign.Succeeded)
            {
                var claims = new List <Claim>();

                claims.Add(new Claim(ClaimTypes.Name, usr.ID));
                claims.Add(new Claim(ClaimTypes.Surname, usr.name));
                claims.Add(new Claim(ClaimTypes.Role, usr.role));
                var identity = new ClaimsIdentity(
                    claims, CookieAuthenticationDefaults.
                    AuthenticationScheme);

                var principal = new ClaimsPrincipal(identity);

                var props = new AuthenticationProperties();
                props.IsPersistent = _user.RememberMe;

                HttpContext.SignInAsync(
                    CookieAuthenticationDefaults.
                    AuthenticationScheme,
                    principal, props).Wait();

                return(RedirectToAction("", "Home"));
            }
            else if (usr.sign.IsLockedOut)
            {
                ViewBag.err = "User Locked Out for Multiple Wrong Attempts";
                return(View());
            }
            else
            {
                ViewBag.err = "User Name / Password Error";
                return(View());
            }
        }