public static ApplicationUserManager Create(IdentityFactoryOptions <ApplicationUserManager> options, IOwinContext context)
        {
            var manager = new ApplicationUserManager(new UserStore <ApplicationUser>(IdentityDb.Create()));

            // Configure validation logic for usernames
            manager.UserValidator = new UserValidator <ApplicationUser>(manager)
            {
                AllowOnlyAlphanumericUserNames = false,
                RequireUniqueEmail             = true
            };

            // Configure validation logic for passwords
            manager.PasswordValidator = new PasswordValidator
            {
                RequiredLength          = 6,
                RequireNonLetterOrDigit = true,
                RequireDigit            = true,
                RequireLowercase        = true,
                RequireUppercase        = true,
            };

            // Configure user lockout defaults
            manager.UserLockoutEnabledByDefault          = true;
            manager.DefaultAccountLockoutTimeSpan        = TimeSpan.FromMinutes(5);
            manager.MaxFailedAccessAttemptsBeforeLockout = 5;

            // Register two factor authentication providers. This application uses Phone and Emails as a step of receiving a code for verifying the user
            // You can write your own provider and plug it in here.
            manager.RegisterTwoFactorProvider("Phone Code", new PhoneNumberTokenProvider <ApplicationUser>
            {
                MessageFormat = "Your security code is {0}"
            });
            manager.RegisterTwoFactorProvider("Email Code", new EmailTokenProvider <ApplicationUser>
            {
                Subject    = "Security Code",
                BodyFormat = "Your security code is {0}"
            });
            manager.EmailService = new EmailService();
            manager.SmsService   = new SmsService();
            var dataProtectionProvider = options.DataProtectionProvider;

            if (dataProtectionProvider != null)
            {
                manager.UserTokenProvider =
                    new DataProtectorTokenProvider <ApplicationUser>(dataProtectionProvider.Create("ASP.NET Identity"));
            }
            return(manager);
        }