/// <summary>
/// Process the echo command and return a response identical to the request.
/// </summary>
/// <param name="command">
/// The command to process.
/// </param>
/// <returns>
/// The response to the request.
/// </returns>
public override byte[] ProcessCommand(Command command)
{
// Check parameters
if (!(command is ArtworkGet))
{
throw new ArgumentException("Command is not an artwork get command");
}
ArtworkGet request = command as ArtworkGet;
// Create an empty response object
ArtworkGetResponse response = new ArtworkGetResponse();
// Try to retrieve artist image if requested
if ((!string.IsNullOrEmpty(request.Artist)) && (request.GetArtistImage))
{
AudioArtwork artwork = AudioArtworkFactory.ApplicationInstance.GetForArtist(request.Artist);
if (artwork != null)
{
response.ArtistImage = artwork.Load();
response.ArtistImageAvailable = response.ArtistImage != null;
}
}
// Try to retrieve album image if request
if ((!string.IsNullOrEmpty(request.Artist)) && (!string.IsNullOrEmpty(request.Album)) && (request.GetAlbumImage))
{
AudioArtwork artwork = AudioArtworkFactory.ApplicationInstance.GetForAlbum(request.Artist, request.Album);
if (artwork != null)
{
response.AlbumImage = artwork.Load();
response.AlbumImageAvailable = response.AlbumImage != null;
}
}
return(ToJsonBuffer(response));
}
private void DiscoveryThread()
{
LastFmClient client = new LastFmClient();
while (true)
{
try
{
// Find artist/album details that we require
AudioFile[] audioFiles = AudioFileFactory.ApplicationInstance.FilesRequiringArtworkScan();
if (audioFiles == null)
{
Logger.Debug("No files requiring artwork checks, waiting 30 seconds");
Thread.Sleep(30000);
continue;
}
foreach (AudioFile audioFile in audioFiles)
{
// Determine what (if any) artwork we have for these items
AudioArtwork artistArtwork = string.IsNullOrEmpty(audioFile.Artist) ? null : AudioArtworkFactory.ApplicationInstance.GetForArtist(audioFile.Artist);
AudioArtwork albumArtwork = string.IsNullOrEmpty(audioFile.Artist) || string.IsNullOrEmpty(audioFile.Album) ? null : AudioArtworkFactory.ApplicationInstance.GetForAlbum(audioFile.Artist, audioFile.Album);
// Get artist artwork if required
if ((artistArtwork == null) && (!string.IsNullOrEmpty(audioFile.Artist)))
{
try
{
// Make a request for the artist artwork and create appropriate
// artistArtwork object
Logger.Debug("Searching for artist artwork for " + audioFile.Artist);
using (Bitmap artistImage = client.GetArtistImage(audioFile.Artist))
{
AudioArtwork artwork = new AudioArtwork {
Artist = audioFile.Artist
};
AudioArtworkFactory.ApplicationInstance.Create(artwork);
bool hasImage = false;
if (artistImage == null)
{
Logger.Info("No artist image for " + audioFile.Artist + " available");
}
else
{
Logger.Info("Found artist image for " + audioFile.Artist);
artwork.Save(artistImage);
hasImage = true;
}
// Now trigger a notification indicating this artwork is available
Controller.NotificationNetworkServer.SendNotification(new AudioArtworkAvailableNotification
{
Artist = audioFile.Artist,
ImageContent = hasImage ? artwork.Load() : null
});
}
}
catch (Exception ex)
{
Logger.Info("Failed to get album artwork for " + audioFile.Artist + ": " + ex.Message);
}
}
// Get album artwork if required
if ((albumArtwork == null) && (!string.IsNullOrEmpty(audioFile.Artist)) && (!string.IsNullOrEmpty(audioFile.Album)))
{
try
{
// Make a request for the artist artwork and create appropriate
// artistArtwork object
Logger.Debug("Searching for artist artwork for " + audioFile.Artist + " - " + audioFile.Album);
using (Bitmap albumImage = client.GetAlbumImage(audioFile.Artist, audioFile.Album))
{
AudioArtwork artwork = new AudioArtwork {
Artist = audioFile.Artist, Album = audioFile.Album
};
AudioArtworkFactory.ApplicationInstance.Create(artwork);
bool hasImage = false;
if (albumImage == null)
{
Logger.Info("No album image for " + audioFile.Artist + " - " + audioFile.Album + " available");
}
else
{
Logger.Info("Found artist image for " + audioFile.Artist + " - " + audioFile.Album);
artwork.Save(albumImage);
hasImage = true;
}
// Now trigger a notification indicating this artwork is available
Controller.NotificationNetworkServer.SendNotification(new AudioArtworkAvailableNotification
{
Artist = audioFile.Artist,
Album = audioFile.Album,
ImageContent = hasImage ? artwork.Load() : null
});
}
}
catch (Exception ex)
{
Logger.Info("Failed to get album artwork for " + audioFile.Artist + " - " + audioFile.Album + ": " + ex.Message);
}
}
// Update this audio file as checked
audioFile.ArtworkSearchDate = DateTime.Now;
AudioFileFactory.ApplicationInstance.Update(audioFile);
Thread.Sleep(1000);
}
Thread.Sleep(5000);
}
catch (Exception ex)
{
Logger.Error("Error in artwork discovery loop", ex);
}
Thread.Sleep(500);
}
}