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Exporting: Export to zip in a background thread

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Signed-off-by: Roopesh Chander <roop@roopc.net>
This commit is contained in:
Roopesh Chander 2018-11-15 13:37:59 +05:30
parent 1dac181803
commit 6bb25782c1
2 changed files with 33 additions and 24 deletions
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10
WireGuard/WireGuard/UI/iOS/SettingsTableViewController.swift
View File

@ -76,17 +76,17 @@ class SettingsTableViewController: UITableViewController {
let count = tunnelsManager.numberOfTunnels()
let tunnelConfigurations = (0 ..< count).compactMap { tunnelsManager.tunnel(at: $0).tunnelConfiguration() }
do {
try ZipExporter.exportConfigFiles(tunnelConfigurations: tunnelConfigurations, to: destinationURL)
} catch (let error) {
ZipExporter.exportConfigFiles(tunnelConfigurations: tunnelConfigurations, to: destinationURL) { [weak self] (error) in
if let error = error {
ErrorPresenter.showErrorAlert(error: error, from: self)
return
}
let activityVC = UIActivityViewController(activityItems: [destinationURL], applicationActivities: nil)
// popoverPresentationController shall be non-nil on the iPad
activityVC.popoverPresentationController?.sourceView = sourceView
activityVC.popoverPresentationController?.sourceRect = sourceView.bounds
present(activityVC, animated: true)
self?.present(activityVC, animated: true)
}
}
func showErrorAlert(title: String, message: String) {

19
WireGuard/WireGuard/ZipArchive/ZipExporter.swift
View File

@ -8,12 +8,14 @@ enum ZipExporterError: Error {
}
class ZipExporter {
static func exportConfigFiles(tunnelConfigurations: [TunnelConfiguration], to destinationURL: URL) throws {
guard (!tunnelConfigurations.isEmpty) else { throw ZipExporterError.noTunnelsToExport }
static func exportConfigFiles(tunnelConfigurations: [TunnelConfiguration], to url: URL, completion: @escaping (Error?) -> Void) {
guard (!tunnelConfigurations.isEmpty) else {
completion(ZipExporterError.noTunnelsToExport)
return
}
DispatchQueue.global(qos: .userInitiated).async {
var inputsToArchiver: [(fileName: String, contents: Data)] = []
var lastTunnelName: String = ""
for tunnelConfiguration in tunnelConfigurations {
if let contents = WgQuickConfigFileWriter.writeConfigFile(from: tunnelConfiguration) {
@ -23,6 +25,13 @@ class ZipExporter {
lastTunnelName = name
}
}
try ZipArchive.archive(inputs: inputsToArchiver, to: destinationURL)
do {
try ZipArchive.archive(inputs: inputsToArchiver, to: url)
} catch (let e) {
DispatchQueue.main.async { completion(e) }
return
}
DispatchQueue.main.async { completion(nil) }
}
}
}