artworkCatalog

func customArtwork(for type: Entity) -> UIImage? {

        guard let string: String = {

            switch type {

                case .playlist: return "artworkCatalog"

                case .artist: return "artistArtworkCatalog"

                case .albumArtist: return "albumArtistArtworkCatalog"

                default: return nil
            }

        }(), responds(to: NSSelectorFromString(string)), let catalog = value(forKey: string) as? NSObject, catalog.responds(to: NSSelectorFromString("bestImageFromDisk")), let image = catalog.value(forKey: "bestImageFromDisk") as? UIImage else { return nil }

        return image
    }
}