private void RefreshMediaTypesLocked(List <int> removedIds, List <int> refreshedIds, List <int> otherIds, List <int> newIds)
{
if (removedIds.IsCollectionEmpty() && refreshedIds.IsCollectionEmpty() && otherIds.IsCollectionEmpty() && newIds.IsCollectionEmpty())
{
return;
}
// locks:
// media (and content types) are read-locked while reading media
// mediaStore is wlocked (so readable, only no new views)
// and it can be wlocked by 1 thread only at a time
using (var scope = _scopeProvider.CreateScope())
{
scope.ReadLock(Constants.Locks.MediaTypes);
var typesA = refreshedIds == null
? Array.Empty <IPublishedContentType>()
: CreateContentTypes(PublishedItemType.Media, refreshedIds.ToArray()).ToArray();
var kits = refreshedIds == null
? Array.Empty <ContentNodeKit>()
: _publishedContentService.GetTypeMediaSources(refreshedIds).ToArray();
_mediaStore.UpdateContentTypesLocked(removedIds, typesA, kits);
if (!otherIds.IsCollectionEmpty())
{
_mediaStore.UpdateContentTypesLocked(CreateContentTypes(PublishedItemType.Media, otherIds.ToArray()).ToArray());
}
if (!newIds.IsCollectionEmpty())
{
_mediaStore.NewContentTypesLocked(CreateContentTypes(PublishedItemType.Media, newIds.ToArray()).ToArray());
}
scope.Complete();
}
}