TF-4233 Implement edit label action

lib/features/labels/domain/model/edit_label_request.dart

@@ -0,0 +1,19 @@
+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+import 'package:labels/model/label.dart';
+
+class EditLabelRequest with EquatableMixin {
+  final Id labelId;
+  final KeyWordIdentifier? labelKeyword;
+  final Label newLabel;
+
+  EditLabelRequest({
+    required this.labelId,
+    required this.labelKeyword,
+    required this.newLabel,
+  });
+
+  @override
+  List<Object?> get props => [labelId, labelKeyword, newLabel];
+}

lib/features/labels/domain/repository/label_repository.dart

@@ -1,8 +1,11 @@
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:labels/model/label.dart';
+import 'package:tmail_ui_user/features/labels/domain/model/edit_label_request.dart';
 
 abstract class LabelRepository {
   Future<List<Label>> getAllLabels(AccountId accountId);
 
   Future<Label> createNewLabel(AccountId accountId, Label labelData);
+
+  Future<Label> editLabel(AccountId accountId, EditLabelRequest labelRequest);
 }

lib/features/labels/domain/state/edit_label_state.dart

@@ -0,0 +1,18 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:labels/model/label.dart';
+
+class EditingLabel extends LoadingState {}
+
+class EditLabelSuccess extends UIState {
+  final Label newLabel;
+
+  EditLabelSuccess(this.newLabel);
+
+  @override
+  List<Object> get props => [newLabel];
+}
+
+class EditLabelFailure extends FeatureFailure {
+  EditLabelFailure(dynamic exception) : super(exception: exception);
+}

lib/features/labels/domain/usecases/edit_label_interactor.dart

@@ -0,0 +1,29 @@
+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/labels/domain/model/edit_label_request.dart';
+import 'package:tmail_ui_user/features/labels/domain/repository/label_repository.dart';
+import 'package:tmail_ui_user/features/labels/domain/state/edit_label_state.dart';
+
+class EditLabelInteractor {
+  final LabelRepository _labelRepository;
+
+  EditLabelInteractor(this._labelRepository);
+
+  Stream<Either<Failure, Success>> execute(
+    AccountId accountId,
+    EditLabelRequest labelRequest,
+  ) async* {
+    try {
+      yield Right(EditingLabel());
+      final newLabel = await _labelRepository.editLabel(
+        accountId,
+        labelRequest,
+      );
+      yield Right(EditLabelSuccess(newLabel));
+    } catch (e) {
+      yield Left(EditLabelFailure(e));
+    }
+  }
+}