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Refactor into smaller functions
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parent
a29a7669e1
commit
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1 changed files with 66 additions and 43 deletions
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@ -22,61 +22,84 @@ public class AbsDownloader: CAPPlugin {
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call.resolve()
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} else {
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NSLog("Got library item from server \(libraryItem!.id)")
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self.startLibraryItemDownload(libraryItem: libraryItem!)
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self.startLibraryItemDownload(item: libraryItem!)
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call.resolve()
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}
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}
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}
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func startLibraryItemDownload(libraryItem: LibraryItem) {
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let length = libraryItem.media.tracks?.count ?? 0
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private func startLibraryItemDownload(item: LibraryItem) {
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let length = item.media.tracks?.count ?? 0
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if length > 0 {
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libraryItem.media.tracks?.enumerated().forEach { position, track in
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NSLog("TRACK \(track.contentUrl!)")
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// filename needs to be encoded otherwise would just use contentUrl
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let filename = track.metadata?.filename ?? ""
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let filenameEncoded = filename.addingPercentEncoding(withAllowedCharacters: NSCharacterSet.urlQueryAllowed)
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let urlstr = "\(Store.serverConfig!.address)/s/item/\(libraryItem.id)/\(filenameEncoded ?? "")?token=\(Store.serverConfig!.token)"
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let url = URL(string: urlstr)!
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let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
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let itemDirectory = documentsDirectory.appendingPathComponent("\(libraryItem.id)")
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NSLog("ITEM DIR \(itemDirectory)")
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// Create library item directory
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do {
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try FileManager.default.createDirectory(at: itemDirectory, withIntermediateDirectories: false)
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} catch {
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NSLog("Failed to CREATE LI DIRECTORY \(error)")
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}
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// Output filename
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let trackFilename = itemDirectory.appendingPathComponent("\(filename)")
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let downloadTask = URLSession.shared.downloadTask(with: url) { urlOrNil, responseOrNil, errorOrNil in
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guard let fileURL = urlOrNil else { return }
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do {
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NSLog("Download TMP file URL \(fileURL)")
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let audioData = try Data(contentsOf:fileURL)
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try audioData.write(to: trackFilename)
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NSLog("Download written to \(trackFilename)")
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} catch {
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NSLog("FILE ERROR: \(error)")
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}
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}
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downloadTask.resume()
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item.media.tracks?.enumerated().forEach { position, track in
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startLibraryItemTrackDownload(item: item, position: position, track: track)
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}
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} else {
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NSLog("No audio tracks for the supplied library item")
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}
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// let encoder = JSONEncoder()
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// let jsobj = try encoder.encode(Download)
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// notifyListeners("onItemDownloadComplete", data: jsobj)
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}
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private func startLibraryItemTrackDownload(item: LibraryItem, position: Int, track: AudioTrack) -> URLSessionDownloadTask? {
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NSLog("TRACK \(track.contentUrl!)")
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// If we don't name metadata, then we can't proceed
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guard let filename = track.metadata?.filename else {
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NSLog("No metadata for track, unable to download")
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return nil
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}
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let serverUrl = urlForTrack(item: item, track: track)
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let itemDirectory = createLibraryItemFileDirectory(item: item)
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let localUrl = itemDirectory.appendingPathComponent("\(filename)")
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return downloadTrack(serverUrl: serverUrl, localUrl: localUrl)
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}
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private func urlForTrack(item: LibraryItem, track: AudioTrack) -> URL {
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// filename needs to be encoded otherwise would just use contentUrl
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let filenameEncoded = track.metadata?.filename.addingPercentEncoding(withAllowedCharacters: NSCharacterSet.urlQueryAllowed)
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let urlstr = "\(Store.serverConfig!.address)/s/item/\(item.id)/\(filenameEncoded ?? "")?token=\(Store.serverConfig!.token)"
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return URL(string: urlstr)!
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}
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private func createLibraryItemFileDirectory(item: LibraryItem) -> URL {
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let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
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let itemDirectory = documentsDirectory.appendingPathComponent("\(item.id)")
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NSLog("ITEM DIR \(itemDirectory)")
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// Create library item directory
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do {
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try FileManager.default.createDirectory(at: itemDirectory, withIntermediateDirectories: false)
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} catch {
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NSLog("Failed to CREATE LI DIRECTORY \(error)")
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}
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return itemDirectory
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}
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private func downloadTrack(serverUrl: URL, localUrl: URL) -> URLSessionDownloadTask {
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let downloadTask = URLSession.shared.downloadTask(with: serverUrl) { urlOrNil, responseOrNil, errorOrNil in
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guard let fileURL = urlOrNil else { return }
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do {
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NSLog("Download TMP file URL \(fileURL)")
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let audioData = try Data(contentsOf:fileURL)
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try audioData.write(to: localUrl)
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NSLog("Download written to \(localUrl)")
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} catch {
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NSLog("FILE ERROR: \(error)")
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}
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}
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// Start the download
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downloadTask.resume()
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return downloadTask
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}
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}
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struct DownloadItem: Codable {
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var isDownloading = false
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var progress: Float = 0
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