Refactor

lib/features/proxy/model/proxy_failure.dart

@@ -0,0 +1,33 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:hiddify/core/localization/translations.dart';
+import 'package:hiddify/core/model/failures.dart';
+
+part 'proxy_failure.freezed.dart';
+
+@freezed
+sealed class ProxyFailure with _$ProxyFailure, Failure {
+  const ProxyFailure._();
+
+  @With<UnexpectedFailure>()
+  const factory ProxyFailure.unexpected([
+    Object? error,
+    StackTrace? stackTrace,
+  ]) = ProxyUnexpectedFailure;
+
+  @With<ExpectedFailure>()
+  const factory ProxyFailure.serviceNotRunning() = ServiceNotRunning;
+
+  @override
+  ({String type, String? message}) present(TranslationsEn t) {
+    return switch (this) {
+      ProxyUnexpectedFailure() => (
+          type: t.failure.unexpected,
+          message: null,
+        ),
+      ServiceNotRunning() => (
+          type: t.failure.singbox.serviceNotRunning,
+          message: null,
+        ),
+    };
+  }
+}