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Error handling: alertText() can be nil

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Indicating that no alert is to be shown for that error.
This commit is contained in:
Roopesh Chander 2018-12-11 00:30:33 +05:30
parent d3ba76def3
commit 305264d064
6 changed files with 6 additions and 6 deletions
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2
WireGuard/WireGuard/UI/iOS/ErrorPresenter.swift
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@ -8,7 +8,7 @@ class ErrorPresenter {
static func showErrorAlert(error: WireGuardAppError, from sourceVC: UIViewController?, static func showErrorAlert(error: WireGuardAppError, from sourceVC: UIViewController?,
onDismissal: (() -> Void)? = nil, onPresented: (() -> Void)? = nil) { onDismissal: (() -> Void)? = nil, onPresented: (() -> Void)? = nil) {
guard let sourceVC = sourceVC else { return } guard let sourceVC = sourceVC else { return }
let (title, message) = error.alertText() guard let (title, message) = error.alertText() else { return }
let okAction = UIAlertAction(title: "OK", style: .default) { (_) in let okAction = UIAlertAction(title: "OK", style: .default) { (_) in
onDismissal?() onDismissal?()
} }

2
WireGuard/WireGuard/VPN/TunnelsManager.swift
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@ -31,7 +31,7 @@ enum TunnelsManagerError: WireGuardAppError {
case tunnelActivationFailedInternalError // startTunnel() succeeded, but activation failed case tunnelActivationFailedInternalError // startTunnel() succeeded, but activation failed
case tunnelActivationFailedNoInternetConnection // startTunnel() succeeded, but activation failed since no internet case tunnelActivationFailedNoInternetConnection // startTunnel() succeeded, but activation failed since no internet
func alertText() -> (String, String) { func alertText() -> (String, String)? {
switch (self) { switch (self) {
case .tunnelNameEmpty: case .tunnelNameEmpty:
return ("No name provided", "Can't create tunnel with an empty name") return ("No name provided", "Can't create tunnel with an empty name")

2
WireGuard/WireGuard/WireGuardAppError.swift
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@ -2,5 +2,5 @@
// Copyright © 2018 WireGuard LLC. All Rights Reserved. // Copyright © 2018 WireGuard LLC. All Rights Reserved.
protocol WireGuardAppError: Error { protocol WireGuardAppError: Error {
func alertText() -> (/* title */ String, /* message */ String) func alertText() -> (/* title */ String, /* message */ String)?
} }

2
WireGuard/WireGuard/ZipArchive/ZipArchive.swift
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@ -8,7 +8,7 @@ enum ZipArchiveError: WireGuardAppError {
case cantOpenOutputZipFileForWriting case cantOpenOutputZipFileForWriting
case badArchive case badArchive
func alertText() -> (String, String) { func alertText() -> (String, String)? {
switch (self) { switch (self) {
case .cantOpenInputZipFile: case .cantOpenInputZipFile:
return ("Unable to read zip archive", "The zip archive could not be read.") return ("Unable to read zip archive", "The zip archive could not be read.")

2
WireGuard/WireGuard/ZipArchive/ZipExporter.swift
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@ -6,7 +6,7 @@ import UIKit
enum ZipExporterError: WireGuardAppError { enum ZipExporterError: WireGuardAppError {
case noTunnelsToExport case noTunnelsToExport
func alertText() -> (String, String) { func alertText() -> (String, String)? {
switch (self) { switch (self) {
case .noTunnelsToExport: case .noTunnelsToExport:
return ("Nothing to export", "There are no tunnels to export") return ("Nothing to export", "There are no tunnels to export")

2
WireGuard/WireGuard/ZipArchive/ZipImporter.swift
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@ -6,7 +6,7 @@ import UIKit
enum ZipImporterError: WireGuardAppError { enum ZipImporterError: WireGuardAppError {
case noTunnelsInZipArchive case noTunnelsInZipArchive
func alertText() -> (String, String) { func alertText() -> (String, String)? {
switch (self) { switch (self) {
case .noTunnelsInZipArchive: case .noTunnelsInZipArchive:
return ("No tunnels in zip archive", "No .conf tunnel files were found inside the zip archive.") return ("No tunnels in zip archive", "No .conf tunnel files were found inside the zip archive.")