public ActivityLinkService( ICentralFeedLinkProvider centralFeedLinkProvider, IGroupFeedLinkProvider groupFeedLinkProvider, IGroupActivityService groupActivityService, IActivityTypeHelper activityTypeHelper, IActivitiesServiceFactory activitiesServiceFactory, IIntranetUserService <IIntranetUser> intranetUserService) { _centralFeedLinkProvider = centralFeedLinkProvider; _groupFeedLinkProvider = groupFeedLinkProvider; _groupActivityService = groupActivityService; _activityTypeHelper = activityTypeHelper; _activitiesServiceFactory = activitiesServiceFactory; _intranetUserService = intranetUserService; }