var claims = new List<Claim>
                                {
                                    new Claim(ClaimTypes.Name, user.Email),
                                    new Claim("FullName", user.UserName),
                                    new Claim(ClaimTypes.Role, "user"),
                                };

                    var claimsIdentity = new ClaimsIdentity(
                        claims, CookieAuthenticationDefaults.AuthenticationScheme);


                    AuthenticationProperties props = null;
                        props = new AuthenticationProperties
                        {
                            IsPersistent = true,
                           // ExpiresUtc = DateTimeOffset.UtcNow.Add(AccountOptions.RememberMeLoginDuration)
                        };

                    await HttpContext.SignInAsync(AuthenticationDefaults.AuthenticationScheme,
                                            new ClaimsPrincipal(claimsIdentity),
                                            props);return Ok(rmodel);