Add service restart

lib/services/singbox/shared.dart

@@ -0,0 +1,46 @@
+import 'package:hiddify/domain/connectivity/connectivity.dart';
+import 'package:hiddify/domain/core_service_failure.dart';
+
+mixin ServiceStatus {
+  ConnectionStatus mapEventToStatus(dynamic event) {
+    final status = event['status'] as String;
+    late ConnectionStatus connectionStatus;
+    switch (status) {
+      case "Stopped":
+        final failure = event["alert"] as String?;
+        final message = event["message"] as String?;
+        connectionStatus = ConnectionStatus.disconnected(
+          switch (failure) {
+            null => null,
+            "RequestVPNPermission" => MissingVpnPermission(message),
+            "RequestNotificationPermission" =>
+              MissingNotificationPermission(message),
+            "EmptyConfiguration" ||
+            "StartCommandServer" ||
+            "CreateService" ||
+            "StartService" =>
+              CoreConnectionFailure(fromServiceAlert(failure, message)),
+            _ => const UnexpectedConnectionFailure(),
+          },
+        );
+      case "Starting":
+        connectionStatus = const Connecting();
+      case "Started":
+        connectionStatus = const Connected();
+      case "Stopping":
+        connectionStatus = const Disconnecting();
+    }
+    return connectionStatus;
+  }
+
+  CoreServiceFailure fromServiceAlert(String key, String? message) {
+    return switch (key) {
+      "EmptyConfiguration" => InvalidConfig(message),
+      "StartCommandServer" ||
+      "CreateService" =>
+        CoreServiceCreateFailure(message),
+      "StartService" => CoreServiceStartFailure(message),
+      _ => const CoreServiceOtherFailure(),
+    };
+  }
+}