internal static MethodModel GetFavoriteModel(AllJoynService service)
        {
            List <Favorite> favorites = GetAll();

            foreach (var favorite in favorites)
            {
                if (service.Service.AboutData.DeviceId == favorite.DeviceId)
                {
                    var navigationObject = service.Service.Objects.FirstOrDefault(o => o.Path == favorite.ObjectPath);
                    if (navigationObject?.Interfaces != null)
                    {
                        var navigationInterface = navigationObject.Interfaces.FirstOrDefault(i => i.Name == favorite.InterfaceName);
                        if (navigationInterface != null)
                        {
                            if (favorite.MethodName != null)
                            {
                                var method = navigationInterface.GetMethod(favorite.MethodName);
                                if (method != null)
                                {
                                    var model = new MethodModel
                                    {
                                        Service   = service.Service,
                                        Interface = navigationInterface,
                                        Method    = method
                                    };
                                    return(model);
                                }
                            }
                        }
                    }
                }
            }
            return(null);
        }
 internal static async Task SetAvailableFavorite(IEnumerable <Favorite> favorites, AllJoynService availableService)
 {
     foreach (var favorite in favorites)
     {
         if (availableService.Service.AboutData.DeviceId == favorite.DeviceId)
         {
             var navigationObject = availableService?.Service?.Objects?.FirstOrDefault(o => o != null & o.Path == favorite.ObjectPath);
             if (navigationObject != null && navigationObject.Interfaces == null)
             {
                 // favorite method is not available not owning IBusObject is.
                 await Dispatcher.Dispatch(() =>
                 {
                     favorite.IsAvailableOwnerOnly = true;
                 });
             }
             else if (navigationObject?.Interfaces != null)
             {
                 var navigationInterface = navigationObject.Interfaces.FirstOrDefault(i => i.Name == favorite.InterfaceName);
                 if (navigationInterface != null)
                 {
                     if (favorite.MethodName != null)
                     {
                         var method = navigationInterface.GetMethod(favorite.MethodName);
                         if (method != null)
                         {
                             // favorite method is available!
                             await Dispatcher.Dispatch(() =>
                             {
                                 favorite.IsAvailable = true;
                                 favorite.Service     = availableService.Service;
                                 favorite.Interface   = navigationInterface;
                                 favorite.Method      = method;
                             });
                         }
                     }
                 }
             }
         }
     }
 }