Importing: Simplify TunnelImporter

Signed-off-by: Roopesh Chander <roop@roopc.net>
This commit is contained in:
Roopesh Chander 2019-03-04 13:50:06 +05:30
parent d7b16ffb1f
commit 202e7a4890
1 changed files with 57 additions and 66 deletions

View File

@ -9,86 +9,77 @@ class TunnelImporter {
completionHandler?()
return
}
if urls.count > 1 {
let dispatchGroup = DispatchGroup()
var configs = [TunnelConfiguration?]()
for url in urls {
if url.pathExtension.lowercased() == "zip" {
dispatchGroup.enter()
ZipImporter.importConfigFiles(from: url) { result in
if let configsInZip = result.value {
configs.append(contentsOf: configsInZip)
let dispatchGroup = DispatchGroup()
var configs = [TunnelConfiguration?]()
var lastFileImportErrorText: (title: String, message: String)?
for url in urls {
if url.pathExtension.lowercased() == "zip" {
dispatchGroup.enter()
ZipImporter.importConfigFiles(from: url) { result in
if let error = result.error {
lastFileImportErrorText = error.alertText
}
if let configsInZip = result.value {
configs.append(contentsOf: configsInZip)
}
dispatchGroup.leave()
}
} else { /* if it is not a zip, we assume it is a conf */
let fileName = url.lastPathComponent
let fileBaseName = url.deletingPathExtension().lastPathComponent.trimmingCharacters(in: .whitespacesAndNewlines)
dispatchGroup.enter()
DispatchQueue.global(qos: .userInitiated).async {
let fileContents: String
do {
fileContents = try String(contentsOf: url)
} catch let error {
if let cocoaError = error as? CocoaError, cocoaError.isFileError {
lastFileImportErrorText = (title: tr("alertCantOpenInputConfFileTitle"), message: error.localizedDescription)
} else {
lastFileImportErrorText = (title: tr("alertCantOpenInputConfFileTitle"), message: tr(format: "alertCantOpenInputConfFileMessage (%@)", fileName))
}
DispatchQueue.main.async {
configs.append(nil)
dispatchGroup.leave()
}
return
}
let tunnelConfiguration = try? TunnelConfiguration(fromWgQuickConfig: fileContents, called: fileBaseName)
if tunnelConfiguration == nil {
lastFileImportErrorText = (title: tr("alertBadConfigImportTitle"), message: tr(format: "alertBadConfigImportMessage (%@)", fileName))
}
DispatchQueue.main.async {
configs.append(tunnelConfiguration)
dispatchGroup.leave()
}
} else {
let fileBaseName = url.deletingPathExtension().lastPathComponent.trimmingCharacters(in: .whitespacesAndNewlines)
let fileContents = try? String(contentsOf: url)
let tunnelConfiguration = try? TunnelConfiguration(fromWgQuickConfig: fileContents ?? "", called: fileBaseName)
configs.append(tunnelConfiguration)
}
}
dispatchGroup.notify(queue: .main) {
tunnelsManager.addMultiple(tunnelConfigurations: configs.compactMap { $0 }) { numberSuccessful in
if numberSuccessful == configs.count {
completionHandler?()
return
}
let title = tr(format: "alertImportedFromMultipleFilesTitle (%d)", numberSuccessful)
let message = tr(format: "alertImportedFromMultipleFilesMessage (%1$d of %2$d)", numberSuccessful, configs.count)
errorPresenterType.showErrorAlert(title: title, message: message, from: sourceVC, onPresented: completionHandler)
}
}
return
}
assert(urls.count == 1)
let url = urls.first!
if url.pathExtension.lowercased() == "zip" {
ZipImporter.importConfigFiles(from: url) { result in
if let error = result.error {
errorPresenterType.showErrorAlert(error: error, from: sourceVC)
dispatchGroup.notify(queue: .main) {
tunnelsManager.addMultiple(tunnelConfigurations: configs.compactMap { $0 }) { numberSuccessful in
if !configs.isEmpty && numberSuccessful == configs.count {
completionHandler?()
return
}
let configs = result.value!
tunnelsManager.addMultiple(tunnelConfigurations: configs.compactMap { $0 }) { numberSuccessful in
if numberSuccessful == configs.count {
let title: String
let message: String
if urls.count == 1 {
if urls.first!.pathExtension.lowercased() == "zip" && !configs.isEmpty {
title = tr(format: "alertImportedFromZipTitle (%d)", numberSuccessful)
message = tr(format: "alertImportedFromZipMessage (%1$d of %2$d)", numberSuccessful, configs.count)
} else if let lastFileImportErrorText = lastFileImportErrorText {
title = lastFileImportErrorText.title
message = lastFileImportErrorText.message
} else {
completionHandler?()
return
}
let title = tr(format: "alertImportedFromZipTitle (%d)", numberSuccessful)
let message = tr(format: "alertImportedFromZipMessage (%1$d of %2$d)", numberSuccessful, configs.count)
errorPresenterType.showErrorAlert(title: title, message: message, from: sourceVC, onPresented: completionHandler)
}
}
} else /* if (url.pathExtension == "conf") -- we assume everything else is a conf */ {
let fileName = url.lastPathComponent
let fileBaseName = url.deletingPathExtension().lastPathComponent.trimmingCharacters(in: .whitespacesAndNewlines)
let fileContents: String
do {
fileContents = try String(contentsOf: url)
} catch let error {
let message: String
if let cocoaError = error as? CocoaError, cocoaError.isFileError {
message = error.localizedDescription
} else {
message = tr(format: "alertCantOpenInputConfFileMessage (%@)", fileName)
title = tr(format: "alertImportedFromMultipleFilesTitle (%d)", numberSuccessful)
message = tr(format: "alertImportedFromMultipleFilesMessage (%1$d of %2$d)", numberSuccessful, configs.count)
}
errorPresenterType.showErrorAlert(title: tr("alertCantOpenInputConfFileTitle"), message: message, from: sourceVC, onPresented: completionHandler)
return
}
if let tunnelConfiguration = try? TunnelConfiguration(fromWgQuickConfig: fileContents, called: fileBaseName) {
tunnelsManager.add(tunnelConfiguration: tunnelConfiguration) { result in
if let error = result.error {
errorPresenterType.showErrorAlert(error: error, from: sourceVC, onPresented: completionHandler)
} else {
completionHandler?()
}
}
} else {
errorPresenterType.showErrorAlert(title: tr("alertBadConfigImportTitle"), message: tr(format: "alertBadConfigImportMessage (%@)", fileName),
from: sourceVC, onPresented: completionHandler)
errorPresenterType.showErrorAlert(title: title, message: message, from: sourceVC, onPresented: completionHandler)
}
}
}
}