public void UpdateList()
 {
     _recentBeatmaps = new ObservableCollection <Beatmap>(
         _beatmapOperator.GetBeatmapsByMapInfo(_appDbOperator.GetRecentList(), TimeSortMode.PlayTime));
     DataModels             = new NumberableObservableCollection <BeatmapDataModel>(_recentBeatmaps.ToDataModelList(false));
     RecentList.DataContext = DataModels.ToList();
 }
        public CollectionPage NavigateNewCollection(Collection collectionInfo)
        {
            ViewModel.CollectionInfo = collectionInfo;
            var infos = _appDbOperator.GetMapsFromCollection(collectionInfo);

            _entries           = _beatmapDbOperator.GetBeatmapsByMapInfo(infos, TimeSortMode.AddTime);
            ViewModel.Beatmaps = new NumberableObservableCollection <BeatmapDataModel>(_entries.ToDataModelList(false));
            return(this);
        }