public async Task<ActionResult> LoginToAngular(LoginViewModel model)
        {
            var ret = new ServiceResult();

            if (!ModelState.IsValid)
            {
                ret.AddError("", "Hibás bejelentkezési adatok");
                return Json(ret);
            }

            var result = await SignInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, shouldLockout: false);
            switch (result)
            {
                case SignInStatus.Success:
                    ret.Data = new {
                        UserId = HttpContext.User.Identity.GetUserId(),
                        UserName = HttpContext.User.Identity.Name,
                        UserRoles = await UserManager.GetRolesAsync(HttpContext.User.Identity.GetUserId())
                    };
                    return Json(ret);
                case SignInStatus.LockedOut:
                    ret.AddError("", "Kizárva");
                    break;
                case SignInStatus.RequiresVerification:
                    ret.AddError("", "Megerősítés szükséges");
                    break;
                case SignInStatus.Failure:
                default:
                    ret.AddError("", "Sikertelen bejelentkezés");
                    break;
            }

            return Json(ret);
        }
        public async Task<ActionResult> Login(LoginViewModel model, string returnUrl)
        {
            if (!ModelState.IsValid)
            {
                return View(model);
            }

            // This doesn't count login failures towards account lockout
            // To enable password failures to trigger account lockout, change to shouldLockout: true
            var result = await SignInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, shouldLockout: false);
            switch (result)
            {
                case SignInStatus.Success:
                    return RedirectToLocal(returnUrl);
                case SignInStatus.LockedOut:
                    return View("Lockout");
                case SignInStatus.RequiresVerification:
                    return RedirectToAction("SendCode", new { ReturnUrl = returnUrl, RememberMe = model.RememberMe });
                case SignInStatus.Failure:
                default:
                    ModelState.AddModelError("", "Invalid login attempt.");
                    return View(model);
            }
        }
        public async Task<ActionResult> LoginToDesktop(LoginViewModel model)
        {
            var ret = new ServiceResult();

            if (!ModelState.IsValid)
            {
                AddModelErrorsToResult(ret);
                return Json(ret);
            }
            
            var result = await SignInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, shouldLockout: false);
            switch (result)
            {
                case SignInStatus.Success:
                    return Json(ret);
                case SignInStatus.LockedOut:
                    ret.AddError("", "Kizárva");
                    break;
                case SignInStatus.RequiresVerification:
                    ret.AddError("", "Megerősítés szükséges");
                    break;
                case SignInStatus.Failure:
                default:
                    ret.AddError("", "Sikertelen bejelentkezés");
                    break;
            }

            return Json(ret);
        }