mirror of
https://github.com/kiwix/kiwix-apple.git
synced 2025-09-27 13:59:04 -04:00
basic for downloading system
This commit is contained in:
Chris Li
parent
3707ed6b74
commit
e2ff8f60f4
@ -54,11 +54,11 @@
|
||||
974C49681DA4266200E276E1 /* CloudKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 974C49671DA4266200E276E1 /* CloudKit.framework */; };
|
||||
975227CD1D0227E8001D1DDE /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 975227CA1D0227E8001D1DDE /* Main.storyboard */; };
|
||||
975227D01D022814001D1DDE /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 975227CF1D022814001D1DDE /* LaunchScreen.storyboard */; };
|
||||
9757C74A1E10660B008A9469 /* DownloadManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9757C7491E10660B008A9469 /* DownloadManager.swift */; };
|
||||
9757C74C1E106958008A9469 /* BackgroundDownload.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9757C74B1E106958008A9469 /* BackgroundDownload.swift */; };
|
||||
97599AA21E26D3B000BA15EF /* BookmarkBooksController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97599AA11E26D3B000BA15EF /* BookmarkBooksController.swift */; };
|
||||
97599AE21E28193D00BA15EF /* BookmarkCollectionController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97599AE11E28193D00BA15EF /* BookmarkCollectionController.swift */; };
|
||||
975B90FE1CEB909100D13906 /* iOSExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 975B90FD1CEB909100D13906 /* iOSExtensions.swift */; };
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||||
97642B991E380CC0003E2D0B /* Network.swift in Sources */ = {isa = PBXBuildFile; fileRef = 97642B981E380CC0003E2D0B /* Network.swift */; };
|
||||
9764CBD11D806AD800072D6A /* RefreshLibControl.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9764CBD01D806AD800072D6A /* RefreshLibControl.swift */; };
|
||||
9764F5931D830EF200E0B1C4 /* liblzma.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 9764F5921D830EF200E0B1C4 /* liblzma.tbd */; };
|
||||
9764F5991D833F2B00E0B1C4 /* KiwixURL.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9764F5981D833F2B00E0B1C4 /* KiwixURL.swift */; };
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@ -213,11 +213,11 @@
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974C49671DA4266200E276E1 /* CloudKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CloudKit.framework; path = System/Library/Frameworks/CloudKit.framework; sourceTree = SDKROOT; };
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975227CA1D0227E8001D1DDE /* Main.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = Main.storyboard; path = "Kiwix-iOS/Storyboard/Main.storyboard"; sourceTree = SOURCE_ROOT; };
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||||
975227CF1D022814001D1DDE /* LaunchScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = LaunchScreen.storyboard; path = "Kiwix-iOS/Storyboard/LaunchScreen.storyboard"; sourceTree = SOURCE_ROOT; };
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9757C7491E10660B008A9469 /* DownloadManager.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DownloadManager.swift; sourceTree = "<group>"; };
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9757C74B1E106958008A9469 /* BackgroundDownload.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BackgroundDownload.swift; sourceTree = "<group>"; };
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97599AA11E26D3B000BA15EF /* BookmarkBooksController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BookmarkBooksController.swift; sourceTree = "<group>"; };
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97599AE11E28193D00BA15EF /* BookmarkCollectionController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BookmarkCollectionController.swift; sourceTree = "<group>"; };
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975B90FD1CEB909100D13906 /* iOSExtensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = iOSExtensions.swift; path = "Kiwix-iOS/iOSExtensions.swift"; sourceTree = SOURCE_ROOT; };
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97642B981E380CC0003E2D0B /* Network.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Network.swift; sourceTree = "<group>"; };
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9764CBD01D806AD800072D6A /* RefreshLibControl.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = RefreshLibControl.swift; sourceTree = "<group>"; };
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9764CBD21D8083AA00072D6A /* ArticleOperation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ArticleOperation.swift; sourceTree = "<group>"; };
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9764F5921D830EF200E0B1C4 /* liblzma.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = liblzma.tbd; path = usr/lib/liblzma.tbd; sourceTree = SDKROOT; };
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@ -286,7 +286,7 @@
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97D6813D1D6F712800E5FA99 /* DownloadTask+CoreDataProperties.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = "DownloadTask+CoreDataProperties.swift"; path = "Classes/DownloadTask+CoreDataProperties.swift"; sourceTree = "<group>"; };
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97D6813E1D6F712800E5FA99 /* Language+CoreDataProperties.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = "Language+CoreDataProperties.swift"; path = "Classes/Language+CoreDataProperties.swift"; sourceTree = "<group>"; };
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97DB65D91D4576B600A2CC42 /* BookmarkWidgetCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BookmarkWidgetCell.swift; sourceTree = "<group>"; };
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97DF259F1D6F996B001648A3 /* Network.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Network.swift; sourceTree = "<group>"; };
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97DF259F1D6F996B001648A3 /* Network-old.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Network-old.swift"; sourceTree = "<group>"; };
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97E609F01D103DED00EBCB9D /* NotificationCenter.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = NotificationCenter.framework; path = System/Library/Frameworks/NotificationCenter.framework; sourceTree = SDKROOT; };
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97E60A011D10423A00EBCB9D /* Others.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Others.swift; sourceTree = "<group>"; };
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97E850CA1D2DA5B300A9F688 /* About.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; name = About.html; path = Kiwix/HelpDocuments/About.html; sourceTree = SOURCE_ROOT; };
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@ -733,8 +733,8 @@
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97DF259E1D6F9942001648A3 /* Network */ = {
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isa = PBXGroup;
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children = (
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97DF259F1D6F996B001648A3 /* Network.swift */,
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9757C7491E10660B008A9469 /* DownloadManager.swift */,
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97DF259F1D6F996B001648A3 /* Network-old.swift */,
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97642B981E380CC0003E2D0B /* Network.swift */,
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9726591A1D8DB91200D1DFFB /* DownloadProgress.swift */,
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);
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path = Network;
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@ -1082,7 +1082,6 @@
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97A1FD421D6F728200A80EE2 /* Extensions.swift in Sources */,
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97A1FD3A1D6F724E00A80EE2 /* reader.cpp in Sources */,
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97D681371D6F711A00E5FA99 /* Article.swift in Sources */,
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9757C74A1E10660B008A9469 /* DownloadManager.swift in Sources */,
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976C1DD41E300695005EDEC4 /* UIProcedure.swift in Sources */,
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972F81571DDBFC79008D7289 /* Search.swift in Sources */,
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970E7F831DA0305000741290 /* WelcomeController.swift in Sources */,
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@ -1110,6 +1109,7 @@
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971A10521D022D9D007FC62C /* AppDelegate.swift in Sources */,
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9764F5991D833F2B00E0B1C4 /* KiwixURL.swift in Sources */,
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97A127CC1D777CF100FB204D /* SearchResultController.swift in Sources */,
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97642B991E380CC0003E2D0B /* Network.swift in Sources */,
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973208241DD217B600EDD3DC /* BookmarkHUD.swift in Sources */,
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976C1DDA1E32A7B3005EDEC4 /* NotificationSettingController.swift in Sources */,
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971A102F1D022AD5007FC62C /* Logo.swift in Sources */,
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@ -1,62 +0,0 @@
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//
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// DownloadManager.swift
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// Kiwix
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//
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// Created by Chris Li on 12/25/16.
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// Copyright © 2016 Chris Li. All rights reserved.
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//
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import ProcedureKit
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class DownloadManager: NSObject, URLSessionDelegate, URLSessionTaskDelegate, URLSessionDownloadDelegate {
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static let shared = DownloadManager()
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let queue = ProcedureQueue()
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private override init() {
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super.init()
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}
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private(set) lazy var session: Foundation.URLSession = {
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let configuration = URLSessionConfiguration.background(withIdentifier: "org.kiwix.www")
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configuration.allowsCellularAccess = false
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configuration.isDiscretionary = false
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return URLSession(configuration: configuration, delegate: self, delegateQueue: nil)
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}()
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// MARK: - URLSessionDelegate
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func urlSessionDidFinishEvents(forBackgroundURLSession session: URLSession) {
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}
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// MARK: - URLSessionTaskDelegate
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func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
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guard let operation = queue.operations.flatMap({$0 as? BookDownloadProcedure})
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.filter({$0.task.taskDescription == task.taskDescription})
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.first else {
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if let bookID = task.taskDescription,
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let resumeData = (error as? NSError)?.userInfo[NSURLSessionDownloadTaskResumeData] as? Data {
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let operation = BookDownloadProcedure(session: session, bookID: bookID, resumeData: resumeData)
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DownloadManager.shared.queue.add(operation: operation)
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}
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return
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}
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if let error = error {
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operation.finish(withError: error)
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} else {
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operation.finish()
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}
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}
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// MARK: - URLSessionDownloadDelegate
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func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didWriteData bytesWritten: Int64, totalBytesWritten: Int64, totalBytesExpectedToWrite: Int64) {
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}
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func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) {
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}
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}
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153
Kiwix/Network/Network-old.swift
Normal file
153
Kiwix/Network/Network-old.swift
Normal file
@ -0,0 +1,153 @@
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//
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// Network.swift
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// Kiwix
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//
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// Created by Chris Li on 8/25/16.
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// Copyright © 2016 Chris Li. All rights reserved.
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//
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import UIKit
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import CoreData
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import ProcedureKit
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import UserNotifications
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class Network: NSObject, URLSessionDelegate, URLSessionTaskDelegate, URLSessionDownloadDelegate, ProcedureQueueDelegate {
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static let shared = Network()
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let queue = OperationQueue()
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let context = NSManagedObjectContext.mainQueueContext
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fileprivate(set) var operations = [String: DownloadBookOperation]()
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fileprivate var downloadedBookTitle = [String]()
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fileprivate var completionHandler: (()-> Void)?
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fileprivate override init() {
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super.init()
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queue.delegate = self
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session.getAllTasks { _ in }
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}
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lazy var session: Foundation.URLSession = {
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let configuration = URLSessionConfiguration.background(withIdentifier: "org.kiwix.www")
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configuration.allowsCellularAccess = false
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configuration.isDiscretionary = false
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return Foundation.URLSession(configuration: configuration, delegate: self, delegateQueue: nil)
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}()
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func rejoinSessionWithIdentifier(_ identifier: String, completionHandler: @escaping ()-> Void) {
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guard identifier == session.configuration.identifier else {return}
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self.completionHandler = completionHandler
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}
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// MARK: - OperationQueueDelegate
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func operationQueue(_ queue: ProcedureQueue, willAddOperation operation: Procedure) {
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guard let bookID = operation.name,
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let operation = operation as? DownloadBookOperation else {return}
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operations[bookID] = operation
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}
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func operationQueue(_ queue: ProcedureQueue, didFinishOperation operation: Procedure, withErrors errors: [Error]) {
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guard let bookID = operation.name else {return}
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operations[bookID] = nil
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}
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func operationQueue(_ queue: ProcedureQueue, willFinishOperation operation: Procedure, withErrors errors: [Error]) {}
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func operationQueue(_ queue: ProcedureQueue, willProduceOperation operation: Procedure) {}
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// MARK: - NSURLSessionDelegate
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func urlSessionDidFinishEvents(forBackgroundURLSession session: URLSession) {
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OperationQueue.main.addOperation {
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self.completionHandler?()
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let title = NSLocalizedString("Book download finished", comment: "Notification: Book download finished")
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let body: String = {
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switch self.downloadedBookTitle.count {
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case 0:
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return NSLocalizedString("All download tasks are finished.", comment: "Notification: Book download finished")
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case 1:
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return String(format: NSLocalizedString("%@ has been downloaded", comment: "Notification: Book download finished"), self.downloadedBookTitle[0])
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case 2:
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return String(format: NSLocalizedString("%@ and %@ have been downloaded", comment: "Notification: Book download finished"),
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self.downloadedBookTitle[0], self.downloadedBookTitle[1])
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default:
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return String(format: NSLocalizedString("%@ and %d others have been downloaded", comment: "Notification: Book download finished"),
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self.downloadedBookTitle[0], self.downloadedBookTitle.count - 1)
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}
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}()
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if #available(iOS 10, *) {
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UNUserNotificationCenter.current().getNotificationSettings(completionHandler: { (settings) in
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guard settings.alertSetting == .enabled else {return}
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let content = UNMutableNotificationContent()
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content.title = title
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content.body = body
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let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.1, repeats: false)
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let request = UNNotificationRequest(identifier: "org.kiwix.downloadFinished", content: content, trigger: trigger)
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UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)
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})
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} else {
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let notification = UILocalNotification()
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notification.alertTitle = title
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notification.alertBody = body
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notification.soundName = UILocalNotificationDefaultSoundName
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UIApplication.shared.presentLocalNotificationNow(notification)
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}
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}
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}
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// MARK: - NSURLSessionTaskDelegate
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func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
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if let error = error {print(error.localizedDescription)}
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let context = NSManagedObjectContext.mainQueueContext
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guard let error = error,
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let bookID = task.taskDescription,
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let downloadTask = Book.fetch(bookID, context: context)?.downloadTask else {return}
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if let resumeData = error.userInfo[NSURLSessionDownloadTaskResumeData] as? Data {
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Preference.resumeData[bookID] = resumeData
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downloadTask.state = .paused
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downloadTask.totalBytesWritten = task.countOfBytesReceived
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} else {
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downloadTask.state = .error
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}
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}
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// MARK: - NSURLSessionDownloadDelegate
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func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didWriteData bytesWritten: Int64, totalBytesWritten: Int64, totalBytesExpectedToWrite: Int64) {
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guard let bookID = downloadTask.taskDescription,
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let operation = operations[bookID] else {return}
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operation.progress.addObservation(totalBytesWritten)
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context.perform {
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guard let downloadTask = Book.fetch(bookID, context: self.context)?.downloadTask, downloadTask.state == .queued else {return}
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downloadTask.state = .downloading
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}
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}
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func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) {
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guard let bookID = downloadTask.taskDescription else {return}
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// Save downloaded zim file
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var fileName: String = downloadTask.response?.suggestedFilename ?? bookID
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if !fileName.hasSuffix(".zim") {fileName += ".zim"}
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guard let destination = FileManager.docDirURL.appendingPathComponent(fileName) else {return}
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_ = try? FileManager.default.moveItem(at: location, to: destination)
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// Scanner Operation will updated Book object status
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// - Remove cache, if any
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// - Delete Download task Object
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context.performAndWait {
|
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guard let book = Book.fetch(bookID, context: self.context) else {return}
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if let title = book.title {self.downloadedBookTitle.append(title)}
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book.removeResumeData()
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guard let downloadTask = book.downloadTask else {return}
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self.context.delete(downloadTask)
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}
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}
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}
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@ -1,153 +1,14 @@
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//
|
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// Network.swift
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// Downloader.swift
|
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// Kiwix
|
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//
|
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// Created by Chris Li on 8/25/16.
|
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// Copyright © 2016 Chris Li. All rights reserved.
|
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// Created by Chris Li on 1/24/17.
|
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// Copyright © 2017 Chris Li. All rights reserved.
|
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//
|
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|
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import UIKit
|
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import CoreData
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import ProcedureKit
|
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import UserNotifications
|
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|
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class Network: NSObject, URLSessionDelegate, URLSessionTaskDelegate, URLSessionDownloadDelegate, ProcedureQueueDelegate {
|
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class Network: NSObject {
|
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static let shared = Network()
|
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let queue = OperationQueue()
|
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let context = NSManagedObjectContext.mainQueueContext
|
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|
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fileprivate(set) var operations = [String: DownloadBookOperation]()
|
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fileprivate var downloadedBookTitle = [String]()
|
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fileprivate var completionHandler: (()-> Void)?
|
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|
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fileprivate override init() {
|
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super.init()
|
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queue.delegate = self
|
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session.getAllTasks { _ in }
|
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}
|
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|
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lazy var session: Foundation.URLSession = {
|
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let configuration = URLSessionConfiguration.background(withIdentifier: "org.kiwix.www")
|
||||
configuration.allowsCellularAccess = false
|
||||
configuration.isDiscretionary = false
|
||||
return Foundation.URLSession(configuration: configuration, delegate: self, delegateQueue: nil)
|
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}()
|
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|
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func rejoinSessionWithIdentifier(_ identifier: String, completionHandler: @escaping ()-> Void) {
|
||||
guard identifier == session.configuration.identifier else {return}
|
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self.completionHandler = completionHandler
|
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}
|
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|
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// MARK: - OperationQueueDelegate
|
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|
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func operationQueue(_ queue: ProcedureQueue, willAddOperation operation: Procedure) {
|
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guard let bookID = operation.name,
|
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let operation = operation as? DownloadBookOperation else {return}
|
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operations[bookID] = operation
|
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}
|
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|
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func operationQueue(_ queue: ProcedureQueue, didFinishOperation operation: Procedure, withErrors errors: [Error]) {
|
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guard let bookID = operation.name else {return}
|
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operations[bookID] = nil
|
||||
}
|
||||
|
||||
func operationQueue(_ queue: ProcedureQueue, willFinishOperation operation: Procedure, withErrors errors: [Error]) {}
|
||||
|
||||
func operationQueue(_ queue: ProcedureQueue, willProduceOperation operation: Procedure) {}
|
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|
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// MARK: - NSURLSessionDelegate
|
||||
|
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func urlSessionDidFinishEvents(forBackgroundURLSession session: URLSession) {
|
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OperationQueue.main.addOperation {
|
||||
self.completionHandler?()
|
||||
|
||||
let title = NSLocalizedString("Book download finished", comment: "Notification: Book download finished")
|
||||
let body: String = {
|
||||
switch self.downloadedBookTitle.count {
|
||||
case 0:
|
||||
return NSLocalizedString("All download tasks are finished.", comment: "Notification: Book download finished")
|
||||
case 1:
|
||||
return String(format: NSLocalizedString("%@ has been downloaded", comment: "Notification: Book download finished"), self.downloadedBookTitle[0])
|
||||
case 2:
|
||||
return String(format: NSLocalizedString("%@ and %@ have been downloaded", comment: "Notification: Book download finished"),
|
||||
self.downloadedBookTitle[0], self.downloadedBookTitle[1])
|
||||
default:
|
||||
return String(format: NSLocalizedString("%@ and %d others have been downloaded", comment: "Notification: Book download finished"),
|
||||
self.downloadedBookTitle[0], self.downloadedBookTitle.count - 1)
|
||||
}
|
||||
}()
|
||||
|
||||
if #available(iOS 10, *) {
|
||||
UNUserNotificationCenter.current().getNotificationSettings(completionHandler: { (settings) in
|
||||
guard settings.alertSetting == .enabled else {return}
|
||||
let content = UNMutableNotificationContent()
|
||||
content.title = title
|
||||
content.body = body
|
||||
let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.1, repeats: false)
|
||||
let request = UNNotificationRequest(identifier: "org.kiwix.downloadFinished", content: content, trigger: trigger)
|
||||
UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)
|
||||
})
|
||||
} else {
|
||||
let notification = UILocalNotification()
|
||||
notification.alertTitle = title
|
||||
notification.alertBody = body
|
||||
notification.soundName = UILocalNotificationDefaultSoundName
|
||||
UIApplication.shared.presentLocalNotificationNow(notification)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - NSURLSessionTaskDelegate
|
||||
|
||||
func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
|
||||
if let error = error {print(error.localizedDescription)}
|
||||
|
||||
let context = NSManagedObjectContext.mainQueueContext
|
||||
guard let error = error,
|
||||
let bookID = task.taskDescription,
|
||||
let downloadTask = Book.fetch(bookID, context: context)?.downloadTask else {return}
|
||||
|
||||
if let resumeData = error.userInfo[NSURLSessionDownloadTaskResumeData] as? Data {
|
||||
Preference.resumeData[bookID] = resumeData
|
||||
downloadTask.state = .paused
|
||||
downloadTask.totalBytesWritten = task.countOfBytesReceived
|
||||
} else {
|
||||
downloadTask.state = .error
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - NSURLSessionDownloadDelegate
|
||||
|
||||
func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didWriteData bytesWritten: Int64, totalBytesWritten: Int64, totalBytesExpectedToWrite: Int64) {
|
||||
guard let bookID = downloadTask.taskDescription,
|
||||
let operation = operations[bookID] else {return}
|
||||
operation.progress.addObservation(totalBytesWritten)
|
||||
|
||||
context.perform {
|
||||
guard let downloadTask = Book.fetch(bookID, context: self.context)?.downloadTask, downloadTask.state == .queued else {return}
|
||||
downloadTask.state = .downloading
|
||||
}
|
||||
}
|
||||
|
||||
func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) {
|
||||
guard let bookID = downloadTask.taskDescription else {return}
|
||||
|
||||
// Save downloaded zim file
|
||||
var fileName: String = downloadTask.response?.suggestedFilename ?? bookID
|
||||
if !fileName.hasSuffix(".zim") {fileName += ".zim"}
|
||||
guard let destination = FileManager.docDirURL.appendingPathComponent(fileName) else {return}
|
||||
_ = try? FileManager.default.moveItem(at: location, to: destination)
|
||||
|
||||
// Scanner Operation will updated Book object status
|
||||
|
||||
// - Remove cache, if any
|
||||
// - Delete Download task Object
|
||||
context.performAndWait {
|
||||
guard let book = Book.fetch(bookID, context: self.context) else {return}
|
||||
if let title = book.title {self.downloadedBookTitle.append(title)}
|
||||
book.removeResumeData()
|
||||
guard let downloadTask = book.downloadTask else {return}
|
||||
self.context.delete(downloadTask)
|
||||
}
|
||||
}
|
||||
private override init() {}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user