From 327d05d20bd107f5b397b4e30ff9745bbbe65a23 Mon Sep 17 00:00:00 2001
From: dab246 <tdvu@linagora.com>
Date: Mon, 12 Jan 2026 15:22:54 +0700
Subject: [PATCH] TF-4243 Add datasource/repository/interactor for delete a
 label feature

---
 .../data/datasource/label_datasource.dart     |  2 ++
 .../label_datasource_impl.dart                |  7 +++++
 .../labels/data/network/label_api.dart        | 26 ++++++++++++++++++
 .../repository/label_repository_impl.dart     |  5 ++++
 .../domain/repository/label_repository.dart   |  2 ++
 .../domain/state/delete_a_label_state.dart    | 17 ++++++++++++
 .../usecases/delete_a_label_interactor.dart   | 27 +++++++++++++++++++
 7 files changed, 86 insertions(+)
 create mode 100644 lib/features/labels/domain/state/delete_a_label_state.dart
 create mode 100644 lib/features/labels/domain/usecases/delete_a_label_interactor.dart

diff --git a/lib/features/labels/data/datasource/label_datasource.dart b/lib/features/labels/data/datasource/label_datasource.dart
index 2605f1cb1..58fc28010 100644
--- a/lib/features/labels/data/datasource/label_datasource.dart
+++ b/lib/features/labels/data/datasource/label_datasource.dart
@@ -8,4 +8,6 @@ abstract class LabelDatasource {
   Future<Label> createNewLabel(AccountId accountId, Label labelData);
 
   Future<Label> editLabel(AccountId accountId, EditLabelRequest labelRequest);
+
+  Future<void> deleteLabel(AccountId accountId, Label label);
 }
diff --git a/lib/features/labels/data/datasource_impl/label_datasource_impl.dart b/lib/features/labels/data/datasource_impl/label_datasource_impl.dart
index bb4906328..784c37f53 100644
--- a/lib/features/labels/data/datasource_impl/label_datasource_impl.dart
+++ b/lib/features/labels/data/datasource_impl/label_datasource_impl.dart
@@ -31,4 +31,11 @@ class LabelDatasourceImpl extends LabelDatasource {
       return await _labelApi.editLabel(accountId, labelRequest);
     }).catchError(_exceptionThrower.throwException);
   }
+
+  @override
+  Future<void> deleteLabel(AccountId accountId, Label label) {
+    return Future.sync(() async {
+      return await _labelApi.deleteLabel(accountId, label);
+    }).catchError(_exceptionThrower.throwException);
+  }
 }
diff --git a/lib/features/labels/data/network/label_api.dart b/lib/features/labels/data/network/label_api.dart
index cbbae1b2d..016420609 100644
--- a/lib/features/labels/data/network/label_api.dart
+++ b/lib/features/labels/data/network/label_api.dart
@@ -6,6 +6,7 @@ import 'package:jmap_dart_client/jmap/jmap_request.dart';
 import 'package:labels/labels.dart';
 import 'package:tmail_ui_user/features/base/mixin/handle_error_mixin.dart';
 import 'package:tmail_ui_user/features/labels/domain/model/edit_label_request.dart';
+import 'package:tmail_ui_user/features/labels/domain/exceptions/label_exceptions.dart';
 import 'package:uuid/uuid.dart';
 
 class LabelApi with HandleSetErrorMixin {
@@ -96,4 +97,29 @@ class LabelApi with HandleSetErrorMixin {
       throw parseErrorForSetResponse(response, labelId);
     }
   }
+
+  Future<void> deleteLabel(AccountId accountId, Label label) async {
+    final labelId = label.id;
+
+    if (labelId == null) {
+      throw LabelIdIsNull();
+    }
+
+    final method = SetLabelMethod(accountId)..addDestroy({labelId});
+
+    final builder = JmapRequestBuilder(_httpClient, ProcessingInvocation());
+    final invocation = builder.invocation(method);
+
+    final result =
+        await (builder..usings(method.requiredCapabilities)).build().execute();
+
+    final response = result.parse<SetLabelResponse>(
+      invocation.methodCallId,
+      SetLabelResponse.deserialize,
+    );
+
+    if (response?.destroyed?.contains(labelId) != true) {
+      throw parseErrorForSetResponse(response, labelId);
+    }
+  }
 }
diff --git a/lib/features/labels/data/repository/label_repository_impl.dart b/lib/features/labels/data/repository/label_repository_impl.dart
index fc91a8815..7e59c39ca 100644
--- a/lib/features/labels/data/repository/label_repository_impl.dart
+++ b/lib/features/labels/data/repository/label_repository_impl.dart
@@ -23,4 +23,9 @@ class LabelRepositoryImpl extends LabelRepository {
   Future<Label> editLabel(AccountId accountId, EditLabelRequest labelRequest) {
     return _labelDatasource.editLabel(accountId, labelRequest);
   }
+
+  @override
+  Future<void> deleteLabel(AccountId accountId, Label label) {
+    return _labelDatasource.deleteLabel(accountId, label);
+  }
 }
diff --git a/lib/features/labels/domain/repository/label_repository.dart b/lib/features/labels/domain/repository/label_repository.dart
index 4567f67fb..df7bd5715 100644
--- a/lib/features/labels/domain/repository/label_repository.dart
+++ b/lib/features/labels/domain/repository/label_repository.dart
@@ -8,4 +8,6 @@ abstract class LabelRepository {
   Future<Label> createNewLabel(AccountId accountId, Label labelData);
 
   Future<Label> editLabel(AccountId accountId, EditLabelRequest labelRequest);
+
+  Future<void> deleteLabel(AccountId accountId, Label label);
 }
diff --git a/lib/features/labels/domain/state/delete_a_label_state.dart b/lib/features/labels/domain/state/delete_a_label_state.dart
new file mode 100644
index 000000000..deb3c2956
--- /dev/null
+++ b/lib/features/labels/domain/state/delete_a_label_state.dart
@@ -0,0 +1,17 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class DeletingALabel extends LoadingState {}
+
+class DeleteALabelSuccess extends UIState {
+  final String labelDisplayName;
+
+  DeleteALabelSuccess(this.labelDisplayName);
+
+  @override
+  List<Object> get props => [labelDisplayName];
+}
+
+class DeleteALabelFailure extends FeatureFailure {
+  DeleteALabelFailure(dynamic exception) : super(exception: exception);
+}
diff --git a/lib/features/labels/domain/usecases/delete_a_label_interactor.dart b/lib/features/labels/domain/usecases/delete_a_label_interactor.dart
new file mode 100644
index 000000000..f90819107
--- /dev/null
+++ b/lib/features/labels/domain/usecases/delete_a_label_interactor.dart
@@ -0,0 +1,27 @@
+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:labels/extensions/label_extension.dart';
+import 'package:labels/model/label.dart';
+import 'package:tmail_ui_user/features/labels/domain/repository/label_repository.dart';
+import 'package:tmail_ui_user/features/labels/domain/state/delete_a_label_state.dart';
+
+class DeleteALabelInteractor {
+  final LabelRepository _labelRepository;
+
+  DeleteALabelInteractor(this._labelRepository);
+
+  Stream<Either<Failure, Success>> execute(
+    AccountId accountId,
+    Label label,
+  ) async* {
+    try {
+      yield Right(DeletingALabel());
+      await _labelRepository.createNewLabel(accountId, label);
+      yield Right(DeleteALabelSuccess(label.safeDisplayName));
+    } catch (e) {
+      yield Left(DeleteALabelFailure(e));
+    }
+  }
+}