public FailedDownloadsViewVM(
ITwitchService twitchService,
IDialogService dialogService,
INavigationService navigationService,
IPreferencesService preferencesService,
IPersistenceService persistenceService,
IExportService exportService)
{
_twitchService = twitchService;
_dialogService = dialogService;
_navigationService = navigationService;
_preferencesService = preferencesService;
_persistenceService = persistenceService;
_exportService = exportService;
_persistenceService.PropertyChanged += PersistenceService_PropertyChanged;
_commandLockObject = new object();
_persistenceService.GetFailedDownloads();
}