Migrate to singbox

lib/domain/connectivity/connection_facade.dart

@@ -0,0 +1,11 @@
+import 'package:fpdart/fpdart.dart';
+import 'package:hiddify/domain/connectivity/connection_status.dart';
+import 'package:hiddify/domain/core_service_failure.dart';
+
+abstract interface class ConnectionFacade {
+  TaskEither<CoreServiceFailure, Unit> connect();
+
+  TaskEither<CoreServiceFailure, Unit> disconnect();
+
+  Stream<ConnectionStatus> watchConnectionStatus();
+}

lib/domain/connectivity/connection_failure.dart

@@ -0,0 +1,40 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:hiddify/core/locale/locale.dart';
+import 'package:hiddify/domain/core_service_failure.dart';
+import 'package:hiddify/domain/failures.dart';
+
+part 'connection_failure.freezed.dart';
+
+@freezed
+sealed class ConnectionFailure with _$ConnectionFailure, Failure {
+  const ConnectionFailure._();
+
+  const factory ConnectionFailure.unexpected([
+    Object? error,
+    StackTrace? stackTrace,
+  ]) = UnexpectedConnectionFailure;
+
+  const factory ConnectionFailure.missingVpnPermission([String? message]) =
+      MissingVpnPermission;
+
+  const factory ConnectionFailure.missingNotificationPermission([
+    String? message,
+  ]) = MissingNotificationPermission;
+
+  const factory ConnectionFailure.core(CoreServiceFailure failure) =
+      CoreConnectionFailure;
+
+  @override
+  String present(TranslationsEn t) {
+    return switch (this) {
+      UnexpectedConnectionFailure() => t.failure.connectivity.unexpected,
+      MissingVpnPermission(:final message) =>
+        t.failure.connectivity.missingVpnPermission +
+            (message == null ? "" : ": $message"),
+      MissingNotificationPermission(:final message) =>
+        t.failure.connectivity.missingNotificationPermission +
+            (message == null ? "" : ": $message"),
+      CoreConnectionFailure(:final failure) => failure.present(t),
+    };
+  }
+}

lib/domain/connectivity/connection_status.dart

@@ -1,6 +1,6 @@
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:hiddify/core/locale/locale.dart';
-import 'package:hiddify/domain/connectivity/connectivity_failure.dart';
+import 'package:hiddify/domain/connectivity/connection_failure.dart';
 
 part 'connection_status.freezed.dart';
 
@@ -9,24 +9,13 @@ sealed class ConnectionStatus with _$ConnectionStatus {
   const ConnectionStatus._();
 
   const factory ConnectionStatus.disconnected([
-    ConnectivityFailure? connectFailure,
+    ConnectionFailure? connectionFailure,
   ]) = Disconnected;
   const factory ConnectionStatus.connecting() = Connecting;
-  const factory ConnectionStatus.connected([
-    ConnectivityFailure? disconnectFailure,
-  ]) = Connected;
+  const factory ConnectionStatus.connected() = Connected;
   const factory ConnectionStatus.disconnecting() = Disconnecting;
 
-  factory ConnectionStatus.fromBool(bool connected) {
-    return connected
-        ? const ConnectionStatus.connected()
-        : const Disconnected();
-  }
-
-  bool get isConnected => switch (this) {
-        Connected() => true,
-        _ => false,
-      };
+  bool get isConnected => switch (this) { Connected() => true, _ => false };
 
   bool get isSwitching => switch (this) {
         Connecting() => true,

lib/domain/connectivity/connectivity.dart

@@ -1,4 +1,5 @@
+export 'connection_facade.dart';
+export 'connection_failure.dart';
 export 'connection_status.dart';
-export 'connectivity_failure.dart';
 export 'network_prefs.dart';
 export 'traffic.dart';

lib/domain/connectivity/connectivity_failure.dart

@@ -1,21 +0,0 @@
-import 'package:freezed_annotation/freezed_annotation.dart';
-import 'package:hiddify/core/locale/locale.dart';
-import 'package:hiddify/domain/failures.dart';
-
-part 'connectivity_failure.freezed.dart';
-
-// TODO: rewrite
-@freezed
-sealed class ConnectivityFailure with _$ConnectivityFailure, Failure {
-  const ConnectivityFailure._();
-
-  const factory ConnectivityFailure.unexpected([
-    Object? error,
-    StackTrace? stackTrace,
-  ]) = ConnectivityUnexpectedFailure;
-
-  @override
-  String present(TranslationsEn t) {
-    return t.failure.connectivity.unexpected;
-  }
-}