public static AppUserManager Create(IdentityFactoryOptions <AppUserManager> options, IOwinContext context)
        {
            var manager = NinjectWebCommon.GetService <AppUserManager>();

            manager.UserValidator = new UserValidator <AppUser, Guid>(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 = false;
            // 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.

            var dataProtectionProvider = options.DataProtectionProvider;

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