public async Task<ActionResult> Create(RegisterViewModel userViewModel, params string[] selectedRoles)
        {
            if (ModelState.IsValid)
            {
                var user = new User
                {
                    UserName = userViewModel.Email,
                    Email = userViewModel.Email,
                    CreationDate = DateTime.Now,
                    PersonalWallet = new Wallet
                    {
                        Name = "Default Wallet",
                        Currency = new Currency
                        {
                            Name = "Česká koruna",
                            Symbol = "Kč"
                        }
                    }
                };
                var adminresult = await UserManager.CreateAsync(user, userViewModel.Password);

                //Add User to the selected Roles 
                if (adminresult.Succeeded)
                {
                    if (selectedRoles != null)
                    {
                        var result = await UserManager.AddToRolesAsync(user.Id, selectedRoles);
                        if (!result.Succeeded)
                        {
                            ModelState.AddModelError("", result.Errors.First());
                            ViewBag.RoleId = new SelectList(await RoleManager.Roles.ToListAsync(), "Name", "Name");
                            return this.View();
                        }
                    }
                }
                else
                {
                    ModelState.AddModelError("", adminresult.Errors.First());
                    ViewBag.RoleId = new SelectList(RoleManager.Roles, "Name", "Name");
                    return this.View();
                }
                return this.RedirectToAction("Index");
            }
            ViewBag.RoleId = new SelectList(RoleManager.Roles, "Name", "Name");
            return this.View();
        }
        public async Task<ActionResult> ExternalLoginConfirmation(RegisterViewModel model,
            string returnUrl)
        {
            if (User.Identity.IsAuthenticated)
            {
                return this.RedirectToAction(SharedConstant.Index, LoginConstant.Manage);
            }

            if (ModelState.IsValid)
            {
                // Get the information about the UserProfile from the external login provider
                var info = await AuthenticationManager.GetExternalLoginInfoAsync();
                if (info == null)
                {
                    return this.View(LoginConstant.ExternalLoginFailure);
                }

                var user = await this.CreateUser(model);

                var result = await UserManager.CreateAsync(user);
                if (result.Succeeded)
                {
                    var userRole = await RoleManager.FindByNameAsync(UserIdentity.UserRole);
                    await UserManager.AddToRoleAsync(user.Id, userRole.Name);

                    result = await UserManager.AddLoginAsync(user.Id, info.Login);
                    if (result.Succeeded)
                    {
                        await SignInManager.SignInAsync(user, false, false);
                        return this.RedirectToLocal(returnUrl);
                    }
                }
                this.AddErrors(result);
            }
            model.Currencies = await this.GetCurrencies();
            ViewBag.ReturnUrl = returnUrl;
            return this.View(model);
        }
        protected async Task<UserIdentity> CreateUser(RegisterViewModel model)
        {
            var currency =
                await UserContext.Currencies.FirstOrDefaultAsync(userCurrency => userCurrency.Guid == model.CurrencyId);

            var user = new UserIdentity
            {
                UserName = model.Email,
                Email = model.Email,
                CreationDate = DateTime.Now,
                Profile = new UserProfile
                {
                    FirstName = model.FirstName,
                    LastName = model.LastName
                }
            };

            user.Profile.WalletAccessRights = new List<WalletAccessRight>
            {
                new WalletAccessRight
                {
                    Permission = PermissionEnum.Owner,
                    UserProfile = user.Profile,
                    Wallet = new Wallet
                    {
                        Name =
                            UserConstant.FormatWalletName(
                                model.FirstName,
                                model.LastName,
                                SharedResource.DefaultWallet),
                        Currency = currency
                    }
                }
            };
            return user;
        }