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Prioritizes app refresh order

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Tries to refresh apps that are about to expire first, and then always refreshes AltStore itself last, since refreshing AltStore means that the app will quit.
This commit is contained in:
Riley Testut
2019-06-21 11:20:03 -07:00
parent c096fd02b4
commit 39c84e623a
21 changed files with 1016 additions and 621 deletions
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91
AltStore/Operations/DownloadAppOperation.swift
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@@ -19,16 +19,18 @@ class DownloadAppOperation: ResultOperation<InstalledApp>
var useCachedAppIfAvailable = false
lazy var context = DatabaseManager.shared.persistentContainer.newBackgroundContext()
private let downloadURL: URL
private let ipaURL: URL
private let appIdentifier: String
private let sourceURL: URL
private let destinationURL: URL
private let session = URLSession(configuration: .default)
init(app: App)
{
self.app = app
self.downloadURL = app.downloadURL
self.ipaURL = InstalledApp.ipaURL(for: app)
self.appIdentifier = app.identifier
self.sourceURL = app.downloadURL
self.destinationURL = InstalledApp.fileURL(for: app)
super.init()
@@ -39,14 +41,36 @@ class DownloadAppOperation: ResultOperation<InstalledApp>
{
super.main()
func finish(error: Error?)
print("Downloading App:", self.appIdentifier)
func finishOperation(_ result: Result<URL, Error>)
{
if let error = error
{
self.finish(.failure(error))
}
else
do
{
let fileURL = try result.get()
var isDirectory: ObjCBool = false
guard FileManager.default.fileExists(atPath: fileURL.path, isDirectory: &isDirectory) else { throw OperationError.appNotFound }
if isDirectory.boolValue
{
// Directory, so assuming this is .app bundle.
guard Bundle(url: fileURL) != nil else { throw OperationError.invalidApp }
try FileManager.default.copyItem(at: fileURL, to: self.destinationURL, shouldReplace: true)
}
else
{
// File, so assuming this is a .ipa file.
let temporaryDirectory = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
try FileManager.default.createDirectory(at: temporaryDirectory, withIntermediateDirectories: true, attributes: nil)
defer { try? FileManager.default.removeItem(at: temporaryDirectory) }
let bundleURL = try FileManager.default.unzipAppBundle(at: fileURL, toDirectory: temporaryDirectory)
try FileManager.default.copyItem(at: bundleURL, to: self.destinationURL, shouldReplace: true)
}
self.context.perform {
let app = self.context.object(with: self.app.objectID) as! App
@@ -59,40 +83,41 @@ class DownloadAppOperation: ResultOperation<InstalledApp>
}
else
{
installedApp = InstalledApp(app: app,
bundleIdentifier: app.identifier,
expirationDate: Date(),
context: self.context)
installedApp = InstalledApp(app: app, bundleIdentifier: app.identifier, context: self.context)
}
installedApp.version = app.version
self.finish(.success(installedApp))
}
}
catch
{
self.finish(.failure(error))
}
}
if self.useCachedAppIfAvailable && FileManager.default.fileExists(atPath: self.ipaURL.path)
if self.sourceURL.isFileURL
{
finish(error: nil)
return
finishOperation(.success(self.sourceURL))
self.progress.completedUnitCount += 1
}
let downloadTask = self.session.downloadTask(with: self.downloadURL) { (fileURL, response, error) in
do
{
let (fileURL, _) = try Result((fileURL, response), error).get()
try FileManager.default.copyItem(at: fileURL, to: self.ipaURL, shouldReplace: true)
finish(error: nil)
}
catch let error
{
finish(error: error)
else
{
let downloadTask = self.session.downloadTask(with: self.sourceURL) { (fileURL, response, error) in
do
{
let (fileURL, _) = try Result((fileURL, response), error).get()
finishOperation(.success(fileURL))
}
catch
{
finishOperation(.failure(error))
}
}
self.progress.addChild(downloadTask.progress, withPendingUnitCount: 1)
downloadTask.resume()
}
self.progress.addChild(downloadTask.progress, withPendingUnitCount: 1)
downloadTask.resume()
}
}