//MARK: - Document Picker

// From your project's capabilities, enable both the iCloud and the Key-Sharing.

@IBAction func pickDocumentPressed(_ sender: Any) {
       presentDocumentPicker()
    }

extension OffersReceivedViewController : UIDocumentPickerDelegate,UINavigationControllerDelegate {
    
    func presentDocumentPicker() {
        let sTypes = getSupportedTypes()
        let documentPickerController = UIDocumentPickerViewController(
            forOpeningContentTypes: sTypes)
        
        documentPickerController.delegate = self
        documentPickerController.allowsMultipleSelection = false
        SVProgressHUD.show()
        self.present(documentPickerController, animated: true) {
            SVProgressHUD.dismiss()
        }
    }
    
    public func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
        guard let myURL = urls.first else {
            return
        }
        print("import result : \(myURL)")
        print("get Image Url")
        fileUrl = myURL
    }
    
    func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
        print("view was cancelled")
        dismiss(animated: true, completion: nil)
    }
    
    func getSupportedTypes() -> [UTType] {
        let supportedTypes : [UTType] = [UTType.utf8TabSeparatedText, UTType.rtf,    UTType.pdf, UTType.webArchive, UTType.image, UTType.jpeg,    UTType.tiff, UTType.gif, UTType.png, UTType.bmp, UTType.ico,    UTType.rawImage, UTType.svg, UTType.livePhoto, UTType.movie,    UTType.video, UTType.audio, UTType.quickTimeMovie, UTType.mpeg,    UTType.mpeg2Video, UTType.mpeg2TransportStream, UTType.mp3,    UTType.mpeg4Movie, UTType.mpeg4Audio, UTType.avi, UTType.aiff,    UTType.wav, UTType.midi, UTType.archive, UTType.gzip, UTType.bz2,    UTType.zip, UTType.appleArchive, UTType.spreadsheet, UTType.epub]
        return supportedTypes
    }
}