//////////////
    //////////////
//    func checkPermission() {
//        let photoAuthorizationStatus = PHPhotoLibrary.authorizationStatus()
//        switch photoAuthorizationStatus {
//        case .authorized:
//            print("Access is granted by user")
//        case .notDetermined:
//            PHPhotoLibrary.requestAuthorization({
//                (newStatus) in
//                print("status is \(newStatus)")
//                if newStatus ==  PHAuthorizationStatus.authorized {
//                    /* do stuff here */
//                    print("success")
//                }
//            })
//            print("It is not determined until now")
//        case .restricted:
//            // same same
//            print("User do not have access to photo album.")
//        case .denied:
//            // same same
//            print("User has denied the permission.")
//        }
//    }
    //////////////
    //////////////