public UserService(
IUserRepository repository,
IUserFactory factory,
IAppUserManager userManager,
IWebsiteInfo websiteInfo)
{
repository.CheckArgumentIsNull(nameof(repository));
_repository = repository;
factory.CheckArgumentIsNull(nameof(factory));
_factory = factory;
userManager.CheckArgumentIsNull(nameof(userManager));
_userManager = userManager;
websiteInfo.CheckArgumentIsNull(nameof(websiteInfo));
_websiteInfo = websiteInfo;
}