TF-2682 Create update always read receipt setting interactor

lib/features/server_settings/domain/state/update_always_read_receipt_setting_state.dart

@@ -0,0 +1,17 @@
+import 'package:core/core.dart';
+
+class UpdatingAlwaysReadReceiptSetting extends LoadingState {}
+
+class UpdateAlwaysReadReceiptSettingSuccess extends UIState {
+  final bool isEnabled;
+
+  UpdateAlwaysReadReceiptSettingSuccess({required this.isEnabled});
+
+  @override
+  List<Object?> get props => [isEnabled];
+}
+
+class UpdateAlwaysReadReceiptSettingFailure extends FeatureFailure {
+  UpdateAlwaysReadReceiptSettingFailure(dynamic exception) 
+    : super(exception: exception);
+}

lib/features/server_settings/domain/usecases/update_always_read_receipt_setting_interactor.dart

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+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:server_settings/server_settings/tmail_server_settings.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/repository/server_settings_repository.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/state/update_always_read_receipt_setting_state.dart';
+
+class UpdateAlwaysReadReceiptSettingInteractor {
+  final ServerSettingsRepository _serverSettingsRepository;
+
+  UpdateAlwaysReadReceiptSettingInteractor(this._serverSettingsRepository);
+
+  Stream<Either<Failure, Success>> execute(
+    AccountId accountId, 
+    bool isEnabled
+  ) async* {
+    yield Right(UpdatingAlwaysReadReceiptSetting());
+    try {
+      final result = await _serverSettingsRepository.updateServerSettings(
+        accountId, 
+        TMailServerSettings(
+          settings: TMailServerSettingOptions(alwaysReadReceipts: isEnabled)
+        )
+      );
+      yield Right(UpdateAlwaysReadReceiptSettingSuccess(
+        isEnabled: result.settings?.alwaysReadReceipts ?? true));
+    } catch (e) {
+      yield Left(UpdateAlwaysReadReceiptSettingFailure(e));
+    }
+  }
+}

test/features/server_settings/domain/usecases/update_always_read_receipt_setting_interactor_test.dart

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+import 'package:dartz/dartz.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:mockito/mockito.dart';
+import 'package:server_settings/server_settings/tmail_server_settings.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/exceptions/server_settings_exception.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/state/update_always_read_receipt_setting_state.dart';
+import 'package:tmail_ui_user/features/server_settings/domain/usecases/update_always_read_receipt_setting_interactor.dart';
+
+import 'get_always_read_receipt_setting_interactor_test.mocks.dart';
+
+void main() {
+  final accountId = AccountId(Id('123'));
+  const alwaysReadReceipts = false;
+  final serverSettings = TMailServerSettings(
+    settings: TMailServerSettingOptions(alwaysReadReceipts: alwaysReadReceipts)
+  );
+  final serverSettingsRepository = MockServerSettingsRepository();
+  final updateAlwaysReadReceiptSettingInteractor = 
+    UpdateAlwaysReadReceiptSettingInteractor(serverSettingsRepository);
+  group('update always read receipt setting interactor', () {
+    test('should return right with value returned from repository', () {
+      // arrange
+      when(serverSettingsRepository.updateServerSettings(any, any))
+        .thenAnswer((_) async => serverSettings);
+      
+      // assert
+      expect(
+        updateAlwaysReadReceiptSettingInteractor
+          .execute(accountId, alwaysReadReceipts),
+        emitsInOrder([
+          Right(UpdatingAlwaysReadReceiptSetting()),
+          Right(UpdateAlwaysReadReceiptSettingSuccess(isEnabled: alwaysReadReceipts)),
+        ])
+      );
+    });
+
+    test('should return left with exception returned from repository', () {
+      // arrange
+      final exception = NotFoundServerSettingsException();
+      when(serverSettingsRepository.updateServerSettings(any, any))
+        .thenThrow(exception);
+      
+      // assert
+      expect(
+        updateAlwaysReadReceiptSettingInteractor.execute(accountId, alwaysReadReceipts),
+        emitsInOrder([
+          Right(UpdatingAlwaysReadReceiptSetting()),
+          Left(UpdateAlwaysReadReceiptSettingFailure(exception)),
+        ])
+      );
+    });
+  });
+}