public IEnumerable <DbAlbum> ReadAlbums()
{
this.StartedReadingAlbums.Invoke();
int counter = 0;
foreach (var album in _deserializedAlbums)
{
counter++;
yield return(album);
ProgressChanged.Invoke(counter, _deserializedAlbums.Count);
}
FinishedReadingAlbums.Invoke();
}
public IEnumerable <DbAlbum> ReadAlbums(SortOrder sortOrder)
{
this.StartedReadingAlbums.Invoke();
uint sortAtom = 0;
switch (sortOrder)
{
case SortOrder.DateAdded:
sortAtom = (uint)SchemaMap.kiIndex_DateAdded;
break;
case SortOrder.Album:
sortAtom = (uint)SchemaMap.kiIndex_Title;
break;
case SortOrder.Artist:
sortAtom = (uint)SchemaMap.kiIndex_DisplayArtist;
break;
default:
throw new ArgumentOutOfRangeException("sortOrder");
}
//querying all albums, creates a property bag inside this method to query the database
ZuneQueryList albums = GetAlbumQueryListSorted(sortAtom);
albums.AddRef();
var uniqueIds = albums.GetUniqueIds();
for (int i = 0; i < uniqueIds.Count; i++)
{
object uniqueId = uniqueIds[i];
yield return(GetAlbumMin((int)uniqueId));
ProgressChanged.Invoke(i, uniqueIds.Count - 1);
}
FinishedReadingAlbums.Invoke();
albums.Release();
albums.Dispose();
}
