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Function to download audio file from url and save it in documents directory
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| func downloadAndSaveAudioFile(_ audioFile: String, completion: @escaping (String) -> Void) { | |
| //Create directory if not present | |
| let paths = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.libraryDirectory, FileManager.SearchPathDomainMask.userDomainMask, true) | |
| let documentDirectory = paths.first! as NSString | |
| let soundDirPathString = documentDirectory.appendingPathComponent("Sounds") | |
| do { | |
| try FileManager.default.createDirectory(atPath: soundDirPathString, withIntermediateDirectories: true, attributes:nil) | |
| print("directory created at \(soundDirPathString)") | |
| } catch let error as NSError { | |
| print("error while creating dir : \(error.localizedDescription)"); | |
| } | |
| if let audioUrl = URL(string: audioFile) { //http://freetone.org/ring/stan/iPhone_5-Alarm.mp3 | |
| // create your document folder url | |
| let documentsUrl = FileManager.default.urls(for: .libraryDirectory, in: .userDomainMask).first! as URL | |
| let documentsFolderUrl = documentsUrl.appendingPathComponent("Sounds") | |
| // your destination file url | |
| let destinationUrl = documentsFolderUrl.appendingPathComponent(audioUrl.lastPathComponent) | |
| print(destinationUrl) | |
| // check if it exists before downloading it | |
| if FileManager().fileExists(atPath: destinationUrl.path) { | |
| print("The file already exists at path") | |
| } else { | |
| // if the file doesn't exist | |
| // just download the data from your url | |
| DispatchQueue.global(qos: DispatchQoS.QoSClass.background).async(execute: { | |
| if let myAudioDataFromUrl = try? Data(contentsOf: audioUrl){ | |
| // after downloading your data you need to save it to your destination url | |
| if (try? myAudioDataFromUrl.write(to: destinationUrl, options: [.atomic])) != nil { | |
| print("file saved") | |
| completion(destinationUrl.absoluteString) | |
| } else { | |
| print("error saving file") | |
| completion("") | |
| } | |
| } | |
| }) | |
| } | |
| } | |
| } |
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Thankyou so much