Refactor

lib/features/stats/data/stats_data_providers.dart

@@ -0,0 +1,10 @@
+import 'package:hiddify/features/stats/data/stats_repository.dart';
+import 'package:hiddify/singbox/service/singbox_service_provider.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'stats_data_providers.g.dart';
+
+@Riverpod(keepAlive: true)
+StatsRepository statsRepository(StatsRepositoryRef ref) {
+  return StatsRepositoryImpl(singbox: ref.watch(singboxServiceProvider));
+}

lib/features/stats/data/stats_repository.dart

@@ -0,0 +1,33 @@
+import 'package:fpdart/fpdart.dart';
+import 'package:hiddify/core/utils/exception_handler.dart';
+import 'package:hiddify/features/stats/model/stats_entity.dart';
+import 'package:hiddify/features/stats/model/stats_failure.dart';
+import 'package:hiddify/singbox/service/singbox_service.dart';
+import 'package:hiddify/utils/custom_loggers.dart';
+
+abstract interface class StatsRepository {
+  Stream<Either<StatsFailure, StatsEntity>> watchStats();
+}
+
+class StatsRepositoryImpl
+    with ExceptionHandler, InfraLogger
+    implements StatsRepository {
+  StatsRepositoryImpl({required this.singbox});
+
+  final SingboxService singbox;
+
+  @override
+  Stream<Either<StatsFailure, StatsEntity>> watchStats() {
+    return singbox
+        .watchStats()
+        .map(
+          (event) => StatsEntity(
+            uplink: event.uplink,
+            downlink: event.downlink,
+            uplinkTotal: event.downlink,
+            downlinkTotal: event.downlinkTotal,
+          ),
+        )
+        .handleExceptions(StatsUnexpectedFailure.new);
+  }
+}