Refactor into smaller functions

This commit is contained in:
ronaldheft 2022-07-09 15:57:45 -04:00
parent a29a7669e1
commit f56561b898

View file

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