TF-859 Keep local copy in Forwarding

lib/features/manage_account/domain/model/edit_local_copy_in_forwarding_request.dart

@@ -0,0 +1,19 @@
+import 'package:equatable/equatable.dart';
+import 'package:forward/forward/tmail_forward.dart';
+
+class EditLocalCopyInForwardingRequest with EquatableMixin {
+  final TMailForward currentForward;
+  final bool keepLocalCopy;
+
+  EditLocalCopyInForwardingRequest({
+    required this.currentForward,
+    required this.keepLocalCopy,
+  });
+
+  TMailForward get newTMailForward {
+    return currentForward.copyWith(localCopy: keepLocalCopy);
+  }
+
+  @override
+  List<Object?> get props => [currentForward, keepLocalCopy];
+}

lib/features/manage_account/domain/repository/manage_account_repository.dart

@@ -13,6 +13,7 @@ import 'package:tmail_ui_user/features/manage_account/domain/model/create_new_em
 import 'package:tmail_ui_user/features/manage_account/domain/model/delete_recipient_in_forwarding_request.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/model/edit_email_rule_filter_request.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/model/edit_identity_request.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/model/edit_local_copy_in_forwarding_request.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/model/identities_response.dart';
 
 abstract class ManageAccountRepository {
@@ -43,4 +44,6 @@ abstract class ManageAccountRepository {
   Future<TMailForward> deleteRecipientInForwarding(AccountId accountId, DeleteRecipientInForwardingRequest deleteRequest);
 
   Future<TMailForward> addRecipientsInForwarding(AccountId accountId, AddRecipientInForwardingRequest addRequest);
+
+  Future<TMailForward> editLocalCopyInForwarding(AccountId accountId, EditLocalCopyInForwardingRequest editRequest);
 }

lib/features/manage_account/domain/state/edit_local_copy_in_forwarding_state.dart

@@ -0,0 +1,21 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:forward/forward/tmail_forward.dart';
+
+class EditLocalCopyInForwardingSuccess extends UIState {
+  final TMailForward forward;
+
+  EditLocalCopyInForwardingSuccess(this.forward);
+
+  @override
+  List<Object?> get props => [forward];
+}
+
+class EditLocalCopyInForwardingFailure extends FeatureFailure {
+  final dynamic exception;
+
+  EditLocalCopyInForwardingFailure(this.exception);
+
+  @override
+  List<Object> get props => [exception];
+}

lib/features/manage_account/domain/usecases/edit_local_copy_in_forwarding_interactor.dart

@@ -0,0 +1,29 @@
+import 'dart:core';
+
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/model/edit_local_copy_in_forwarding_request.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/repository/manage_account_repository.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/state/edit_local_copy_in_forwarding_state.dart';
+
+class EditLocalCopyInForwardingInteractor {
+  final ManageAccountRepository manageAccountRepository;
+
+  EditLocalCopyInForwardingInteractor(this.manageAccountRepository);
+
+  Stream<Either<Failure, Success>> execute(
+      AccountId accountId,
+      EditLocalCopyInForwardingRequest editRequest,
+  ) async* {
+    try {
+      final result = await manageAccountRepository.editLocalCopyInForwarding(
+          accountId,
+          editRequest);
+      yield Right<Failure, Success>(EditLocalCopyInForwardingSuccess(result));
+    } catch (exception) {
+      yield Left<Failure, Success>(EditLocalCopyInForwardingFailure(exception));
+    }
+  }
+}