public int DeleteTrack(IModelReference trackReference)
{
int subIds = this.DeleteSubFingerprintsForTrack(trackReference);
this.solrForTracksCore.Delete(SolrModelReference.GetId(trackReference));
this.solrForTracksCore.Commit();
return(1 + subIds);
}
public TrackData ReadTrack(IModelReference trackReference)
{
var trackId = SolrModelReference.GetId(trackReference);
var query = new SolrQuery(string.Format("trackId:{0}", trackId));
var results = this.solrForTracksCore.Query(query);
return(FirstFromResultSet(results));
}
private int DeleteSubFingerprintsForTrack(IModelReference trackReference)
{
string trackId = SolrModelReference.GetId(trackReference);
string readAll = string.Format("trackId:{0}", trackId);
var results = solrForSubfingerprintsCore.Query(new SolrQuery(readAll));
var ids = results.Select(dto => dto.SubFingerprintId).ToList();
solrForSubfingerprintsCore.Delete(ids);
solrForSubfingerprintsCore.Commit();
return(ids.Count);
}
private SubFingerprintDTO GetSubFingerprintDto(IModelReference trackReference, HashedFingerprint hash)
{
return(new SubFingerprintDTO
{
SubFingerprintId = Guid.NewGuid().ToString(),
Hashes = dictionaryToHashConverter.FromHashesToSolrDictionary(hash.HashBins),
SequenceAt = hash.StartsAt,
SequenceNumber = hash.SequenceNumber,
TrackId = SolrModelReference.GetId(trackReference),
Clusters = hash.Clusters
});
}
public IModelReference InsertTrack(TrackData track)
{
Guid id = Guid.NewGuid();
var dto = new TrackDTO
{
Id = id.ToString(),
Album = track.Album,
Artist = track.Artist,
ISRC = track.ISRC,
ReleaseYear = track.ReleaseYear,
Title = track.Title,
TrackLengthSec = track.Length
};
this.solrForTracksCore.Add(dto);
this.solrForTracksCore.Commit();
var trackReference = new SolrModelReference(id.ToString());
track.TrackReference = trackReference;
return(trackReference);
}
public IList <HashedFingerprint> ReadHashedFingerprintsByTrackReference(IModelReference trackReference)
{
var results = solr.Query(string.Format("trackId:{0}", SolrModelReference.GetId(trackReference)));
return(results.Select(GetHashedFingerprint).ToList());
}
