TF-4236 Implement remove a label from an thread

lib/features/email/data/datasource/email_datasource.dart

@@ -225,4 +225,11 @@ abstract class EmailDataSource {
     EmailId emailId,
     KeyWordIdentifier labelKeyword,
   );
+
+  Future<void> removeLabelFromThread(
+    Session session,
+    AccountId accountId,
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+  );
 }

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -604,4 +604,21 @@ class EmailDataSourceImpl extends EmailDataSource {
       );
     }).catchError(_exceptionThrower.throwException);
   }
+
+  @override
+  Future<void> removeLabelFromThread(
+    Session session,
+    AccountId accountId,
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+  ) {
+    return Future.sync(() async {
+      return await emailAPI.removeLabelFromThread(
+        session,
+        accountId,
+        emailIds,
+        labelKeyword,
+      );
+    }).catchError(_exceptionThrower.throwException);
+  }
 }

lib/features/email/data/datasource_impl/email_hive_cache_datasource_impl.dart

@@ -590,4 +590,9 @@ class EmailHiveCacheDataSourceImpl extends EmailDataSource {
   Future<void> removeLabelFromEmail(Session session, AccountId accountId, EmailId emailId, KeyWordIdentifier labelKeyword) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<void> removeLabelFromThread(Session session, AccountId accountId, List<EmailId> emailIds, KeyWordIdentifier labelKeyword) {
+    throw UnimplementedError();
+  }
 }

lib/features/email/data/datasource_impl/email_local_storage_datasource_impl.dart

@@ -366,4 +366,9 @@ class EmailLocalStorageDataSourceImpl extends EmailDataSource {
   Future<void> removeLabelFromEmail(Session session, AccountId accountId, EmailId emailId, KeyWordIdentifier labelKeyword) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<void> removeLabelFromThread(Session session, AccountId accountId, List<EmailId> emailIds, KeyWordIdentifier labelKeyword) {
+    throw UnimplementedError();
+  }
 }

lib/features/email/data/datasource_impl/email_session_storage_datasource_impl.dart

@@ -280,4 +280,9 @@ class EmailSessionStorageDatasourceImpl extends EmailDataSource {
   Future<void> removeLabelFromEmail(Session session, AccountId accountId, EmailId emailId, KeyWordIdentifier labelKeyword) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<void> removeLabelFromThread(Session session, AccountId accountId, List<EmailId> emailIds, KeyWordIdentifier labelKeyword) {
+    throw UnimplementedError();
+  }
 }

lib/features/email/data/network/email_api.dart

@@ -1026,4 +1026,39 @@ class EmailAPI with HandleSetErrorMixin, MailAPIMixin {
       throw parseErrorForSetResponse(response, emailId.id);
     }
   }
+
+  Future<void> removeLabelFromThread(
+    Session session,
+    AccountId accountId,
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+  ) async {
+    final method = SetEmailMethod(accountId)
+      ..addUpdates(emailIds.generateMapUpdateObjectLabel(
+        labelKeyword,
+        remove: true,
+      ));
+
+    final builder = JmapRequestBuilder(_httpClient, ProcessingInvocation());
+    final invocation = builder.invocation(method);
+
+    final capabilities = method.requiredCapabilities
+        .toCapabilitiesSupportTeamMailboxes(session, accountId);
+    final result = await (builder..usings(capabilities)).build().execute();
+
+    final response = result.parse<SetEmailResponse>(
+      invocation.methodCallId,
+      SetEmailResponse.deserialize,
+    );
+
+    final emailIdsUpdated = response?.updated?.keys ?? <Id>[];
+    final ids = emailIds.map((emailId) => emailId.id);
+    final isUpdated = emailIdsUpdated.every(ids.contains);
+
+    if (emailIdsUpdated.isEmpty || !isUpdated) {
+      for (var id in emailIds) {
+        throw parseErrorForSetResponse(response, id.id);
+      }
+    }
+  }
 }

lib/features/email/data/repository/email_repository_impl.dart

@@ -525,4 +525,19 @@ class EmailRepositoryImpl extends EmailRepository {
       labelKeyword,
     );
   }
+
+  @override
+  Future<void> removeLabelFromThread(
+    Session session,
+    AccountId accountId,
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+  ) {
+    return emailDataSource[DataSourceType.network]!.removeLabelFromThread(
+      session,
+      accountId,
+      emailIds,
+      labelKeyword,
+    );
+  }
 }

lib/features/email/domain/repository/email_repository.dart

@@ -182,4 +182,11 @@ abstract class EmailRepository {
     EmailId emailId,
     KeyWordIdentifier labelKeyword,
   );
+
+  Future<void> removeLabelFromThread(
+    Session session,
+    AccountId accountId,
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+  );
 }

lib/features/email/domain/state/labels/remove_a_label_from_an_thread_state.dart

@@ -0,0 +1,33 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+
+class RemovingALabelFromAThread extends LoadingState {}
+
+class RemoveALabelFromAThreadSuccess extends UIState {
+  final List<EmailId> emailIds;
+  final KeyWordIdentifier labelKeyword;
+  final String labelDisplay;
+
+  RemoveALabelFromAThreadSuccess(
+    this.emailIds,
+    this.labelKeyword,
+    this.labelDisplay,
+  );
+
+  @override
+  List<Object> get props => [emailIds, labelKeyword, labelDisplay];
+}
+
+class RemoveALabelFromAThreadFailure extends FeatureFailure {
+  final String labelDisplay;
+
+  RemoveALabelFromAThreadFailure({
+    dynamic exception,
+    required this.labelDisplay,
+  }) : super(exception: exception);
+
+  @override
+  List<Object?> get props => [...super.props, labelDisplay];
+}

lib/features/email/domain/usecases/labels/remove_a_label_from_a_thread_interactor.dart

@@ -0,0 +1,43 @@
+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:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
+import 'package:tmail_ui_user/features/email/domain/state/labels/remove_a_label_from_an_thread_state.dart';
+
+class RemoveALabelFromAThreadInteractor {
+  final EmailRepository _emailRepository;
+
+  RemoveALabelFromAThreadInteractor(this._emailRepository);
+
+  Stream<Either<Failure, Success>> execute(
+    Session session,
+    AccountId accountId,
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+    String labelDisplay,
+  ) async* {
+    try {
+      yield Right(RemovingALabelFromAThread());
+      await _emailRepository.removeLabelFromThread(
+        session,
+        accountId,
+        emailIds,
+        labelKeyword,
+      );
+      yield Right(RemoveALabelFromAThreadSuccess(
+        emailIds,
+        labelKeyword,
+        labelDisplay,
+      ));
+    } catch (e) {
+      yield Left(RemoveALabelFromAThreadFailure(
+        exception: e,
+        labelDisplay: labelDisplay,
+      ));
+    }
+  }
+}

lib/features/email/presentation/email_view.dart

@@ -270,11 +270,8 @@ class EmailView extends GetWidget<SingleEmailController> {
             if (isLabelAvailable) {
               emailLabels = presentationEmail.getLabelList(listLabels);
             }
-
             return EmailSubjectWidget(
-              presentationEmail: presentationEmail.copyWith(
+              emailSubject: threadSubject ?? presentationEmail.getEmailTitle(),
-                subject: threadSubject,
-              ),
               imagePaths: controller.imagePaths,
               isMobileResponsive: isMobileResponsive,
               labels: emailLabels,

lib/features/email/presentation/widgets/email_subject_widget.dart

@@ -2,14 +2,13 @@ import 'package:core/presentation/resources/image_paths.dart';
 import 'package:core/presentation/views/button/tmail_button_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:labels/model/label.dart';
-import 'package:model/email/presentation_email.dart';
 import 'package:tmail_ui_user/features/email/presentation/styles/email_subject_styles.dart';
 import 'package:tmail_ui_user/features/labels/presentation/widgets/label_widget.dart';
 
 typedef OnDeleteLabelAction = void Function(Label label);
 
 class EmailSubjectWidget extends StatefulWidget {
-  final PresentationEmail presentationEmail;
+  final String emailSubject;
   final ImagePaths imagePaths;
   final bool isMobileResponsive;
   final List<Label>? labels;
@@ -17,7 +16,7 @@ class EmailSubjectWidget extends StatefulWidget {
 
   const EmailSubjectWidget({
     super.key,
-    required this.presentationEmail,
+    required this.emailSubject,
     required this.imagePaths,
     this.isMobileResponsive = false,
     this.labels,
@@ -29,7 +28,7 @@ class EmailSubjectWidget extends StatefulWidget {
 }
 
 class _EmailSubjectWidgetState extends State<EmailSubjectWidget> {
-  String get _title => widget.presentationEmail.getEmailTitle();
+  String get _title => widget.emailSubject;
 
   bool get _hasLabels => _currentLabels?.isNotEmpty == true;
 
@@ -41,6 +40,12 @@ class _EmailSubjectWidgetState extends State<EmailSubjectWidget> {
     _currentLabels = widget.labels;
   }
 
+  @override
+  void didUpdateWidget(covariant EmailSubjectWidget oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    _currentLabels = widget.labels;
+  }
+
   @override
   Widget build(BuildContext context) {
     final padding = widget.isMobileResponsive

lib/features/mailbox_dashboard/presentation/bindings/mailbox_dashboard_bindings.dart

@@ -41,6 +41,7 @@ import 'package:tmail_ui_user/features/download/domain/usecase/download_attachme
 import 'package:tmail_ui_user/features/download/domain/usecase/download_and_get_html_content_from_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/download/domain/usecase/get_html_content_from_upload_file_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_restored_deleted_message_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/labels/remove_a_label_from_a_thread_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/move_to_mailbox_interactor.dart';
@@ -372,6 +373,7 @@ class MailboxDashBoardBindings extends BaseBindings {
     ));
     Get.lazyPut(() => MarkAsStarMultipleEmailInteractor(Get.find<EmailRepository>()));
     Get.lazyPut(() => AddALabelToAThreadInteractor(Get.find<EmailRepository>()));
+    Get.lazyPut(() => RemoveALabelFromAThreadInteractor(Get.find<EmailRepository>()));
     Get.lazyPut(() => MoveMultipleEmailToMailboxInteractor(
         Get.find<EmailRepository>(),
     ));

lib/features/thread_detail/presentation/extension/get_thread_details_email_views.dart

@@ -20,6 +20,20 @@ import 'package:tmail_ui_user/features/thread_detail/presentation/widgets/thread
 extension GetThreadDetailEmailViews on ThreadDetailController {
   List<Widget> getThreadDetailEmailViews({List<Label>? labels}) {
     final loadMoreSegments = Map<LoadMoreIndex, LoadMoreCount>.from(this.loadMoreSegments);
+    PresentationEmail? emailDisplayLabel;
+
+    final lastEmail = emailIdsPresentation.values.lastOrNull;
+
+    if (currentExpandedEmailId.value == null) {
+      emailDisplayLabel = lastEmail;
+    } else  {
+      emailDisplayLabel = emailIdsPresentation[currentExpandedEmailId.value];
+    }
+
+    final emailLabels = _getLabelsForEmail(
+      email: emailDisplayLabel,
+      availableLabels: labels,
+    );
 
     return emailIdsPresentation.entries.map((entry) {
       final emailId = entry.key;
@@ -48,14 +62,6 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
       final isFirstEmailInThreadDetail = indexOfEmailId == 0;
 
       if (presentationEmail.emailInThreadStatus == EmailInThreadStatus.collapsed) {
-        final lastEmail = emailIdsPresentation.values.last;
-
-        final emailLabels = _getLabelsForFirstEmail(
-          lastEmail: lastEmail,
-          isFirstEmailInThreadDetail: isFirstEmailInThreadDetail,
-          availableLabels: labels,
-        );
-
         return ThreadDetailCollapsedEmail(
           presentationEmail: presentationEmail.copyWith(
             subject: isFirstEmailInThreadDetail
@@ -77,10 +83,10 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
           onToggleThreadDetailCollapseExpand: () {
             toggleThreadDetailCollapseExpand(presentationEmail);
           },
-          onDeleteLabelAction: (label) => removeLabelFromEmail(
+          onDeleteLabelAction: (label) {
-            lastEmail!.id!,
+            if (emailDisplayLabel?.id == null) return;
-            label,
+            removeLabelFromEmail(emailDisplayLabel!.id!, label);
-          ),
+          },
         );
       }
 
@@ -92,7 +98,7 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
           isInsideThreadDetailView: true,
           emailId: presentationEmail.id,
           isFirstEmailInThreadDetail: true,
-          threadSubject: emailIdsPresentation.values.last?.subject,
+          threadSubject: lastEmail?.subject,
           onToggleThreadDetailCollapseExpand: () {
             toggleThreadDetailCollapseExpand(presentationEmail);
           },
@@ -120,17 +126,15 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
     }).toList();
   }
 
-  List<Label>? _getLabelsForFirstEmail({
+  List<Label>? _getLabelsForEmail({
-    required PresentationEmail? lastEmail,
+    required PresentationEmail? email,
-    required bool isFirstEmailInThreadDetail,
     required List<Label>? availableLabels,
   }) {
-    if (!isFirstEmailInThreadDetail ||
+    if (availableLabels == null ||
-        availableLabels == null ||
         availableLabels.isEmpty) {
       return null;
     }
 
-    return lastEmail?.getLabelList(availableLabels);
+    return email?.getLabelList(availableLabels);
   }
 }

lib/features/thread_detail/presentation/extension/labels/add_label_to_thread_extension.dart

@@ -13,6 +13,7 @@ import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/update_current_emails_flags_extension.dart';
 import 'package:tmail_ui_user/features/thread/domain/extensions/presentation_email_map_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/domain/extensions/list_email_in_thread_detail_info_extension.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/labels/remove_label_from_thread_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/thread_detail_controller.dart';
 import 'package:tmail_ui_user/main/routes/dialog_router.dart';
 
@@ -48,18 +49,25 @@ extension AddLabelToThreadExtension on ThreadDetailController {
     bool isSelected, {
     List<EmailId>? currentEmailIds,
   }) {
-    if (isSelected) {
+    final accountId = mailboxDashBoardController.accountId.value;
-      final accountId = mailboxDashBoardController.accountId.value;
+    final session = mailboxDashBoardController.sessionCurrent;
-      final session = mailboxDashBoardController.sessionCurrent;
+    final emailIds =
-      final emailIds =
+        currentEmailIds ?? emailsInThreadDetailInfo.emailIdsToDisplay(true);
-          currentEmailIds ?? emailsInThreadDetailInfo.emailIdsToDisplay(true);
 
+    if (isSelected) {
       _addALabelToAThread(
         session: session,
         accountId: accountId,
         emailIds: emailIds,
         label: label,
       );
+    } else {
+      removeALabelFromAThread(
+        session: session,
+        accountId: accountId,
+        emailIds: emailIds,
+        label: label,
+      );
     }
   }
 
@@ -120,7 +128,7 @@ extension AddLabelToThreadExtension on ThreadDetailController {
   void handleAddLabelToThreadSuccess(AddALabelToAThreadSuccess success) {
     toastManager.showMessageSuccess(success);
 
-    _autoSyncLabelToThreadOnMemory(
+    autoSyncLabelToThreadOnMemory(
       emailIds: success.emailIds,
       labelKeyword: success.labelKeyword,
     );
@@ -130,52 +138,81 @@ extension AddLabelToThreadExtension on ThreadDetailController {
     toastManager.showMessageFailure(failure);
   }
 
-  void _autoSyncLabelToThreadOnMemory({
+  void autoSyncLabelToThreadOnMemory({
     required List<EmailId> emailIds,
     required KeyWordIdentifier labelKeyword,
+    bool remove = false,
   }) {
     _updateLabelInThreadOnMemory(
       emailIds: emailIds,
       labelKeyword: labelKeyword,
+      remove: remove,
     );
   }
 
   void _updateLabelInThreadOnMemory({
     required List<EmailId> emailIds,
     required KeyWordIdentifier labelKeyword,
+    required bool remove,
   }) {
+    _updateEmailsInThread(emailIds, labelKeyword, remove);
+    _updateCurrentLoadedEmailIfNeeded(emailIds, labelKeyword, remove);
+    _updateMailboxDashboard(emailIds, labelKeyword, remove);
+    _refreshLabelSettingState();
+  }
+
+  void _updateEmailsInThread(
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+    bool remove,
+  ) {
     emailIdsPresentation.value =
         emailIdsPresentation.toggleListEmailsKeywordByIds(
       emailIds: emailIds,
       keyword: labelKeyword,
-      remove: false,
+      remove: remove,
     );
 
     emailsInThreadDetailInfo.value =
         emailsInThreadDetailInfo.toggleListEmailsKeywordByIds(
       emailIds: emailIds,
       keyword: labelKeyword,
-      remove: false,
+      remove: remove,
     );
+  }
 
+  void _updateCurrentLoadedEmailIfNeeded(
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+    bool remove,
+  ) {
     final emailLoaded = currentEmailLoaded.value;
     final emailLoadedId = emailLoaded?.emailCurrent?.id;
-    if (emailLoaded != null &&
+
-        emailLoadedId != null &&
+    if (emailLoadedId == null || !emailIds.contains(emailLoadedId)) {
-        emailIds.contains(emailLoadedId)) {
+      return;
-      currentEmailLoaded.value = emailLoaded.toggleEmailKeyword(
-        emailId: emailLoadedId,
-        keyword: labelKeyword,
-        remove: false,
-      );
     }
 
+    currentEmailLoaded.value = emailLoaded!.toggleEmailKeyword(
+      emailId: emailLoadedId,
+      keyword: labelKeyword,
+      remove: remove,
+    );
+  }
+
+  void _updateMailboxDashboard(
+    List<EmailId> emailIds,
+    KeyWordIdentifier labelKeyword,
+    bool remove,
+  ) {
     mailboxDashBoardController.updateEmailFlagByEmailIds(
       emailIds,
-      isLabelAdded: true,
+      isLabelAdded: !remove,
       labelKeyword: labelKeyword,
     );
+  }
 
+  void _refreshLabelSettingState() {
     mailboxDashBoardController.labelController.isLabelSettingEnabled.refresh();
   }
 }

lib/features/thread_detail/presentation/extension/labels/remove_label_from_thread_extension.dart

@@ -0,0 +1,80 @@
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:labels/labels.dart';
+import 'package:tmail_ui_user/features/email/domain/state/labels/remove_a_label_from_an_thread_state.dart';
+import 'package:tmail_ui_user/features/home/data/exceptions/session_exceptions.dart';
+import 'package:tmail_ui_user/features/labels/domain/exceptions/label_exceptions.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/labels/add_label_to_thread_extension.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/thread_detail_controller.dart';
+
+extension RemoveLabelFromThreadExtension on ThreadDetailController {
+  void removeALabelFromAThread({
+    required Session? session,
+    required AccountId? accountId,
+    required Label label,
+    required List<EmailId> emailIds,
+  }) {
+    final labelDisplay = label.safeDisplayName;
+
+    if (session == null) {
+      emitFailure(
+        controller: this,
+        failure: RemoveALabelFromAThreadFailure(
+          exception: NotFoundSessionException(),
+          labelDisplay: labelDisplay,
+        ),
+      );
+      return;
+    }
+
+    if (accountId == null) {
+      emitFailure(
+        controller: this,
+        failure: RemoveALabelFromAThreadFailure(
+          exception: NotFoundAccountIdException(),
+          labelDisplay: labelDisplay,
+        ),
+      );
+      return;
+    }
+
+    final labelKeyword = label.keyword;
+    if (labelKeyword == null) {
+      emitFailure(
+        controller: this,
+        failure: RemoveALabelFromAThreadFailure(
+          exception: LabelKeywordIsNull(),
+          labelDisplay: labelDisplay,
+        ),
+      );
+      return;
+    }
+
+    consumeState(removeALabelFromAThreadInteractor.execute(
+      session,
+      accountId,
+      emailIds,
+      labelKeyword,
+      label.safeDisplayName,
+    ));
+  }
+
+  void handleRemoveLabelFromThreadSuccess(
+    RemoveALabelFromAThreadSuccess success,
+  ) {
+    toastManager.showMessageSuccess(success);
+
+    autoSyncLabelToThreadOnMemory(
+      emailIds: success.emailIds,
+      labelKeyword: success.labelKeyword,
+      remove: true,
+    );
+  }
+
+  void handleRemoveLabelFromThreadFailure(
+    RemoveALabelFromAThreadFailure failure,
+  ) {
+    toastManager.showMessageFailure(failure);
+  }
+}

lib/features/thread_detail/presentation/thread_detail_bindings.dart

@@ -4,6 +4,7 @@ import 'package:jmap_dart_client/http/http_client.dart';
 import 'package:tmail_ui_user/features/base/base_bindings.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/add_a_label_to_a_thread_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/labels/remove_a_label_from_a_thread_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/print_email_interactor.dart';
@@ -47,6 +48,7 @@ class ThreadDetailBindings extends BaseBindings {
       Get.find<MarkAsStarMultipleEmailInteractor>(),
       Get.find<MarkAsMultipleEmailReadInteractor>(),
       Get.find<AddALabelToAThreadInteractor>(),
+      Get.find<RemoveALabelFromAThreadInteractor>(),
     ));
   }
 

lib/features/thread_detail/presentation/thread_detail_controller.dart

@@ -17,10 +17,12 @@ import 'package:model/extensions/keyword_identifier_extension.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
 import 'package:tmail_ui_user/features/base/base_controller.dart';
 import 'package:tmail_ui_user/features/email/domain/state/add_a_label_to_an_thread_state.dart';
+import 'package:tmail_ui_user/features/email/domain/state/labels/remove_a_label_from_an_thread_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/mark_as_email_read_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/print_email_state.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/add_a_label_to_a_thread_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/labels/remove_a_label_from_a_thread_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/print_email_interactor.dart';
@@ -52,6 +54,7 @@ import 'package:tmail_ui_user/features/thread_detail/presentation/extension/hand
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/handle_refresh_thread_detail_action.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/initialize_thread_detail_emails.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/labels/add_label_to_thread_extension.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/labels/remove_label_from_thread_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/mark_collapsed_email_unread_success.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/quick_create_rule_from_collapsed_email_success.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/thread_detail_on_selected_email_updated.dart';
@@ -70,6 +73,7 @@ class ThreadDetailController extends BaseController {
   final MarkAsStarMultipleEmailInteractor markAsStarMultipleEmailInteractor;
   final MarkAsMultipleEmailReadInteractor markAsMultipleEmailReadInteractor;
   final AddALabelToAThreadInteractor addALabelToAThreadInteractor;
+  final RemoveALabelFromAThreadInteractor removeALabelFromAThreadInteractor;
 
   ThreadDetailController(
     this._getEmailIdsByThreadIdInteractor,
@@ -81,6 +85,7 @@ class ThreadDetailController extends BaseController {
     this.markAsStarMultipleEmailInteractor,
     this.markAsMultipleEmailReadInteractor,
     this.addALabelToAThreadInteractor,
+    this.removeALabelFromAThreadInteractor,
   );
 
   final emailIdsPresentation = <EmailId, PresentationEmail?>{}.obs;
@@ -267,6 +272,8 @@ class ThreadDetailController extends BaseController {
       quickCreateRuleFromCollapsedEmailSuccess(success);
     } else if (success is AddALabelToAThreadSuccess) {
       handleAddLabelToThreadSuccess(success);
+    } else if (success is RemoveALabelFromAThreadSuccess) {
+      handleRemoveLabelFromThreadSuccess(success);
     } else {
       super.handleSuccessViewState(success);
     }
@@ -291,6 +298,8 @@ class ThreadDetailController extends BaseController {
       toastManager.showMessageFailure(failure as FeatureFailure);
     } else if (failure is AddALabelToAThreadFailure) {
       handleAddLabelToThreadFailure(failure);
+    } else if (failure is RemoveALabelFromAThreadFailure) {
+      handleRemoveLabelFromThreadFailure(failure);
     } else {
       super.handleFailureViewState(failure);
     }

lib/features/thread_detail/presentation/widgets/thread_detail_collapsed_email.dart

@@ -64,7 +64,7 @@ class ThreadDetailCollapsedEmail extends StatelessWidget {
           children: [
             if (showSubject)
               EmailSubjectWidget(
-                presentationEmail: presentationEmail,
+                emailSubject: presentationEmail.getEmailTitle(),
                 imagePaths: imagePaths,
                 isMobileResponsive: isMobileResponsive,
                 labels: labels,

lib/l10n/intl_messages.arb

@@ -5401,5 +5401,25 @@
     "placeholders": {
       "labelName": {}
     }
+  },
+  "removeLabelFromThreadSuccessfullyMessage": "All emails in thread removed from the \"{labelName}\" label",
+  "@removeLabelFromThreadSuccessfullyMessage": {
+    "type": "text",
+    "placeholders_order": [
+      "labelName"
+    ],
+    "placeholders": {
+      "labelName": {}
+    }
+  },
+  "removeLabelFromThreadFailureMessage": "Cannot remove all emails from thread to the \"{labelName}\" label",
+  "@removeLabelFromThreadFailureMessage": {
+    "type": "text",
+    "placeholders_order": [
+      "labelName"
+    ],
+    "placeholders": {
+      "labelName": {}
+    }
   }
 }

lib/main/localizations/app_localizations.dart

@@ -5724,4 +5724,20 @@ class AppLocalizations {
       args: [labelName],
     );
   }
+
+  String removeLabelFromThreadSuccessfullyMessage(String labelName) {
+    return Intl.message(
+      'All emails in thread removed from the "$labelName" label',
+      name: 'removeLabelFromThreadSuccessfullyMessage',
+      args: [labelName],
+    );
+  }
+
+  String removeLabelFromThreadFailureMessage(String labelName) {
+    return Intl.message(
+      'Cannot remove all emails from thread to the "$labelName" label',
+      name: 'removeLabelFromThreadFailureMessage',
+      args: [labelName],
+    );
+  }
 }

lib/main/utils/toast_manager.dart

@@ -25,6 +25,7 @@ import 'package:tmail_ui_user/features/email/domain/model/move_action.dart';
 import 'package:tmail_ui_user/features/email/domain/state/add_a_label_to_an_email_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/add_a_label_to_an_thread_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/calendar_event_reply_state.dart';
+import 'package:tmail_ui_user/features/email/domain/state/labels/remove_a_label_from_an_thread_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/mark_as_email_star_state.dart';
 import 'package:tmail_ui_user/features/download/domain/state/parse_email_by_blob_id_state.dart';
 import 'package:tmail_ui_user/features/download/domain/state/preview_email_from_eml_file_state.dart';
@@ -218,6 +219,11 @@ class ToastManager {
           appLocalizations.removeLabelFromEmailFailureMessage(
             failure.labelDisplay,
           );
+    } else if (failure is RemoveALabelFromAThreadFailure) {
+      message = message ??
+          appLocalizations.removeLabelFromThreadFailureMessage(
+            failure.labelDisplay,
+          );
     }
     log('ToastManager::showMessageFailure: Message: $message');
     if (message?.trim().isNotEmpty == true) {
@@ -301,6 +307,10 @@ class ToastManager {
       message = appLocalizations.removeLabelFromEmailSuccessfullyMessage(
         success.labelDisplay,
       );
+    } else if (success is RemoveALabelFromAThreadSuccess) {
+      message = appLocalizations.removeLabelFromThreadSuccessfullyMessage(
+        success.labelDisplay,
+      );
     }
     log('ToastManager::showMessageSuccess: Message: $message');
     if (message?.trim().isNotEmpty == true) {

model/lib/extensions/list_email_id_extension.dart

@@ -53,10 +53,11 @@ extension ListEmailIdExtension on List<EmailId> {
 
   Map<Id, PatchObject> generateMapUpdateObjectLabel(
     KeyWordIdentifier labelKeyword,
+    {bool remove = false}
   ) {
     return {
       for (var emailId in this)
-        emailId.id: labelKeyword.generateLabelActionPath()
+        emailId.id: labelKeyword.generateLabelActionPath(remove: remove)
     };
   }
 }