public IPreviewList GetItemPreviewMetadata(IReadOnlyList <string> filters)
{
var lowerFilters = filters.Select(f => f.ToLowerInvariant()).ToList();
var previewList = new PreviewList(
list => _lock.Write(() => _previewStreams.Remove(list)),
items => _tagManager.Filter(items, lowerFilters));
_lock.Read(() => previewList.AddFiltered(_previewModels));
_lock.Write(() => _previewStreams.Add(previewList));
return(previewList);
}
public IPreviewList GetItemPreviewMetadata(IReadOnlyList <string> filters)
{
var lowerFilters = filters.Select(f => f.ToLowerInvariant()).ToList();
bool MatchesFilters(ItemPreviewModel m) => lowerFilters.All(m.Tags.Contains);
var previewList = new PreviewList(
list => WriteLocked(() => _previewStreams.Remove(list)),
items => items.Where(MatchesFilters).ToList());
ReadLocked(() => previewList.AddFiltered(_previewModels));
WriteLocked(() => _previewStreams.Add(previewList));
return(previewList);
}