public AspnetIdentityAdminUserMiddleware(AppFunc next, AdminUser adminUser)
{
_next = next;
_adminUser = adminUser;
_createUser = new Lazy <bool>(HasUserAlreadyExisted);
}
public static void UseAspnetIdentityAdminUser(this IAppBuilder appBuilder, AdminUser adminUser)
{
appBuilder.Use(typeof(AspnetIdentityAdminUserMiddleware), adminUser);
}