Exporting: Refactor out zip exporting into a separate class

Signed-off-by: Roopesh Chander <roop@roopc.net>

1 files changed, 28 insertions, 0 deletions

diff --git a/WireGuard/WireGuard/ZipArchive/ZipExporter.swift b/WireGuard/WireGuard/ZipArchive/ZipExporter.swift
new file mode 100644
index 0000000..d0cf9a7
--- /dev/null
+++ b/WireGuard/WireGuard/ZipArchive/ZipExporter.swift
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import UIKit
+
+enum ZipExporterError: Error {
+    case noTunnelsToExport
+}
+
+class ZipExporter {
+    static func exportConfigFiles(tunnelConfigurations: [TunnelConfiguration], to destinationURL: URL) throws {
+
+        guard (!tunnelConfigurations.isEmpty) else { throw ZipExporterError.noTunnelsToExport }
+
+        var inputsToArchiver: [(fileName: String, contents: Data)] = []
+
+        var lastTunnelName: String = ""
+        for tunnelConfiguration in tunnelConfigurations {
+            if let contents = WgQuickConfigFileWriter.writeConfigFile(from: tunnelConfiguration) {
+                let name = tunnelConfiguration.interface.name
+                if (name.isEmpty || name == lastTunnelName) { continue }
+                inputsToArchiver.append((fileName: "\(name).conf", contents: contents))
+                lastTunnelName = name
+            }
+        }
+        try ZipArchive.archive(inputs: inputsToArchiver, to: destinationURL)
+    }
+}