public MetadataState(MetadataState copyFrom)
{
ReleaseId = copyFrom.ReleaseId;
TrackId = copyFrom.TrackId;
Title = copyFrom.Title;
Artist = copyFrom.Artist;
Album = copyFrom.Album;
Genre = copyFrom.Genre;
Number = copyFrom.Number;
}
public MetadataState Update(MetadataUpdateCommand cmd)
{
var state = new MetadataState(this);
if (cmd.Timestamp > state.Timestamp)
{
state.TrackId = cmd.TrackId ?? state.TrackId;
state.Title = cmd.Title ?? state.Title;
state.Artist = cmd.Artist ?? state.Artist;
state.Album = cmd.Album ?? state.Album;
state.Genre = cmd.Genre ?? state.Genre;
state.Number = cmd.Number ?? state.Number;
state.Timestamp = cmd.Timestamp;
}
return(state);
}
