 {
     enum Property:String
     {
+        case album = "album"
         case created = "created"
         case status = "status"
         case size = "size"

        case synced
    }
    
    let created:TimeInterval
    let status:Status
    let size:Int
    private let kNoTime:TimeInterval = 0
    
    init(size:Int)
    {
        created = NSDate().timeIntervalSince1970
        status = Status.waiting
        self.size = size
        
        super.init()
    }

    override func modelJson() -> Any
    {
        let json:[String:Any] = [
            Property.album.rawValue:album,
            Property.created.rawValue:created,
            Property.status.rawValue:status.rawValue,
            Property.size.rawValue:size
