public PlaylistCollectionViewModel(IViewModelFactory viewModelFactory, IEventAggregator eventAggregator, IContentManagerService contentManagerService, IDataService dataService, ILayoutService layoutService)
{
_eventAggregator = eventAggregator;
_dataService = dataService;
AppLayout = layoutService.AppLayout;
eventAggregator.Subscribe(this);
Items.AddRange(contentManagerService.RetrieveManagedPlaylists()
.Values
.Select(managedPlaylist => viewModelFactory.MakeViewModel <IManagedPlaylistViewModel>(managedPlaylist)));
Items.AddRange(contentManagerService.RetrievePlaylists()
.Select(playlist => viewModelFactory.MakeViewModel <ICustomPlaylistViewModel>(playlist)));
int activePlaylist = dataService.Load <int>(Constants.DataStoreNames.ActivePlaylist);
ActivateItem(Items[activePlaylist]);
CollectionViewSource.GetDefaultView(Items)
.SortDescriptions
.Add
(
new SortDescription
(
string.Join(".", nameof(IPlaylistViewModel.Playlist), nameof(IPlaylistViewModel.Playlist.Name)),
ListSortDirection.Ascending
)
);
}