protected override DriverResult Display(FacebookConnectWidgetPart part, string displayType, dynamic shapeHelper)
{
return(ContentShape("Parts_FacebookConnectWidget",
() =>
{
var settings = _siteService.GetSiteSettings().As <FacebookConnectSettingsPart>();
var authenticatedUser = _authenticationService.GetAuthenticatedUser();
var isConnected = _facebookConnectService.AuthenticatedFacebookUserIsSaved() ||
(authenticatedUser != null && !string.IsNullOrEmpty(authenticatedUser.As <FacebookUserPart>().Name));
IFacebookUser authenticatedFacebookUser = null;
if (isConnected)
{
authenticatedFacebookUser = authenticatedUser.As <FacebookUserPart>();
}
return shapeHelper.Parts_FacebookConnectWidget(
IsAuthenticated: authenticatedUser != null,
IsConnected: isConnected,
IsAuthenticatedWithFacebookConnect: _facebookConnectService.IsAuthenticated(),
AuthenticatedFacebookUser: authenticatedFacebookUser);
}));
}
/// <summary>
/// Checks if the currently authenticated Facebook user's profile data is saved to a local user profile
/// </summary>
public static bool AuthenticatedFacebookUserIsSaved(this IFacebookConnectService service)
{
if (!service.IsAuthenticated())
{
return(false);
}
return(service.GetFacebookUser(service.Session.UserId) != null);
}
/// <summary>
/// Gets the current authenticated user's Facebook user profile data
/// </summary>
public static IFacebookUser GetAuthenticatedFacebookUser(this IFacebookConnectService service)
{
if (!service.IsAuthenticated())
{
return(null);
}
return(service.GetFacebookUser(service.Session.UserId));
}
public void Created(UserContext context)
{
if (!_facebookConnectService.IsAuthenticated())
{
return;
}
// This can happen if someone connects to the site with FB, logs out then registers a new user while being logged in to FB.
// This prevents to attach the same FB user to different local users.
if (_facebookConnectService.AuthenticatedFacebookUserIsSaved())
{
return;
}
var facebookUser = _facebookConnectService.FetchMe();
IEnumerable <FacebookConnectValidationKey> errors;
if (_facebookConnectService.UserIsValid(facebookUser, _siteService.GetSiteSettings().As <FacebookConnectSettingsPart>(), out errors))
{
_facebookConnectService.UpdateFacebookUser(context.User.As <IUser>(), facebookUser);
}
}
