public SettingsViewModel(
            IGitHubOAuthAuthorizer authorizer,
            IGitHubClient client,
            ISettingsService settingsService,
            ApplicationSettings settings)
        {
            this.authorizer      = authorizer;
            this.client          = client;
            this.settingsService = settingsService;
            this.settings        = settings;

            User = new User
            {
                Name = settings.UserName,
            };
        }
        public SettingsViewModel(
            IGitHubOAuthAuthorizer authorizer,
            IGitHubClient client,
            ISettingsService settingsService,
            ApplicationSettings settings)
        {
            this.authorizer = authorizer;
            this.client = client;
            this.settingsService = settingsService;
            this.settings = settings;

            User = new User
            {
                Name = settings.UserName,
            };
        }
 public SettingsViewModel(IGitHubOAuthAuthorizer authorizer, IGitHubClient client)
 {
     this.authorizer = authorizer;
     this.client = client;
 }