Add basic flavors

lib/domain/app/app.dart

@@ -1,3 +1,3 @@
-export 'update_failure.dart';
-export 'update_repository.dart';
-export 'version_info.dart';
+export 'app_failure.dart';
+export 'app_info.dart';
+export 'app_repository.dart';

lib/domain/app/app_failure.dart

@@ -2,13 +2,13 @@ import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:hiddify/core/prefs/prefs.dart';
 import 'package:hiddify/domain/failures.dart';
 
-part 'update_failure.freezed.dart';
+part 'app_failure.freezed.dart';
 
 @freezed
-sealed class UpdateFailure with _$UpdateFailure, Failure {
-  const UpdateFailure._();
+sealed class AppFailure with _$AppFailure, Failure {
+  const AppFailure._();
 
-  const factory UpdateFailure.unexpected([
+  const factory AppFailure.unexpected([
     Object? error,
     StackTrace? stackTrace,
   ]) = UpdateUnexpectedFailure;

lib/domain/app/app_info.dart

@@ -1,24 +1,27 @@
 import 'package:dartx/dartx.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:hiddify/domain/environment.dart';
 
-part 'version_info.freezed.dart';
-part 'version_info.g.dart';
+part 'app_info.freezed.dart';
+part 'app_info.g.dart';
 
 @freezed
-class InstalledVersionInfo with _$InstalledVersionInfo {
-  const InstalledVersionInfo._();
+class AppInfo with _$AppInfo {
+  const AppInfo._();
 
-  const factory InstalledVersionInfo({
+  const factory AppInfo({
+    required String name,
     required String version,
     required String buildNumber,
     String? installerMedia,
-  }) = _InstalledVersionInfo;
+    required String operatingSystem,
+    required Environment environment,
+  }) = _AppInfo;
 
-  String get fullVersion =>
-      buildNumber.isBlank ? version : "$version+$buildNumber";
+  String get userAgent => "HiddifyNext/$version ($operatingSystem)";
 
-  factory InstalledVersionInfo.fromJson(Map<String, dynamic> json) =>
-      _$InstalledVersionInfoFromJson(json);
+  factory AppInfo.fromJson(Map<String, dynamic> json) =>
+      _$AppInfoFromJson(json);
 }
 
 // TODO ignore drafts

lib/domain/app/app_repository.dart

@@ -0,0 +1,9 @@
+import 'package:fpdart/fpdart.dart';
+import 'package:hiddify/domain/app/app_failure.dart';
+import 'package:hiddify/domain/app/app_info.dart';
+
+abstract interface class AppRepository {
+  TaskEither<AppFailure, RemoteVersionInfo> getLatestVersion({
+    bool includePreReleases = false,
+  });
+}

lib/domain/app/update_repository.dart

@@ -1,11 +0,0 @@
-import 'package:fpdart/fpdart.dart';
-import 'package:hiddify/domain/app/update_failure.dart';
-import 'package:hiddify/domain/app/version_info.dart';
-
-abstract interface class UpdateRepository {
-  TaskEither<UpdateFailure, InstalledVersionInfo> getCurrentVersion();
-
-  TaskEither<UpdateFailure, RemoteVersionInfo> getLatestVersion({
-    bool includePreReleases = false,
-  });
-}

lib/domain/environment.dart

@@ -0,0 +1,4 @@
+enum Environment {
+  prod,
+  dev;
+}