public IActionResult LogIn(string email, string password)
        {
            SimpleAdsDb db   = new SimpleAdsDb(_connectionString);
            var         user = db.LogIn(email, password);

            if (user == null)
            {
                TempData["errorMessage"] = "Invalid email and password combo";
                return(Redirect("/account/login"));
            }
            var claims = new List <Claim>
            {
                new Claim("user", email)
            };

            HttpContext.SignInAsync(new ClaimsPrincipal(
                                        new ClaimsIdentity(claims, "Cookies", "user", "role"))).Wait();

            return(Redirect("/home/newad"));
        }