Restart service when settings change

ApplicationLibrary/Views/Setting/OnDemandRulesView.swift

@@ -3,7 +3,9 @@ import Library
 import SwiftUI
 
 public struct OnDemandRulesView: View {
+    @EnvironmentObject private var environments: ExtensionEnvironments
     @State private var isLoading = true
+    @State private var alert: AlertState?
     @State private var alwaysOn = false
 
     public init() {}
@@ -23,11 +25,13 @@ public struct OnDemandRulesView: View {
                     This should not be an intended use of the API, so you cannot disable VPN in system settings. To stop the service manually, use the in-app interface or simply delete the VPN profile.
                     """, $alwaysOn) { newValue in
                         await SharedPreferences.alwaysOn.set(newValue)
+                        await restartService()
                     }
 
                     FormButton {
                         Task {
                             await SharedPreferences.resetOnDemandRules()
+                            await restartService()
                             isLoading = true
                         }
                     } label: {
@@ -38,11 +42,23 @@ public struct OnDemandRulesView: View {
             }
         }
         .navigationTitle("On Demand Rules")
+        .alert($alert)
         #if os(iOS)
             .navigationBarTitleDisplayMode(.inline)
         #endif
     }
 
+    private func restartService() async {
+        guard let profile = environments.extensionProfile, profile.status.isConnected else {
+            return
+        }
+        do {
+            try await profile.restart()
+        } catch {
+            alert = AlertState(error: error)
+        }
+    }
+
     private func loadSettings() async {
         alwaysOn = await SharedPreferences.alwaysOn.get()
         isLoading = false