public async Task <Either <BaseError, Unit> > Handle(
UpdatePlexLibraryPreferences request,
CancellationToken cancellationToken)
{
var toDisable = request.Preferences.Filter(p => p.ShouldSyncItems == false).Map(p => p.Id).ToList();
List <int> ids = await _mediaSourceRepository.DisablePlexLibrarySync(toDisable);
await _searchIndex.RemoveItems(ids);
IEnumerable <int> toEnable = request.Preferences.Filter(p => p.ShouldSyncItems).Map(p => p.Id);
await _mediaSourceRepository.EnablePlexLibrarySync(toEnable);
return(Unit.Default);
}