TF-4301 Add "Create a new label" button in Label As menus and wire up tagging in email view

lib/features/labels/presentation/mixin/add_label_to_email_mixin.dart

@@ -1,6 +1,7 @@
 import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
 import 'package:core/utils/app_logger.dart';
+import 'package:flutter/material.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';
@@ -18,6 +19,7 @@ import 'package:tmail_ui_user/features/email/presentation/extensions/presentatio
 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/labels/presentation/widgets/add_label_to_email_modal.dart';
+import 'package:tmail_ui_user/features/labels/presentation/widgets/label_list_context_menu.dart';
 import 'package:tmail_ui_user/features/thread/domain/exceptions/thread_exceptions.dart';
 import 'package:tmail_ui_user/main/routes/dialog_router.dart';
 import 'package:tmail_ui_user/main/utils/toast_manager.dart';
@@ -180,7 +182,10 @@ mixin AddLabelToEmailMixin on EmitStateMixin {
     );
   }
 
-  Future<void> openAddLabelToEmailDialogModal(PresentationEmail email) async {
+  Future<void> openAddLabelToEmailDialogModal({
+    required PresentationEmail email,
+    required OnCreateANewLabelAction onCreateANewLabelAction,
+  }) async {
     final emailId = email.id;
     if (emailId == null) {
       logWarning(
@@ -192,8 +197,9 @@ mixin AddLabelToEmailMixin on EmitStateMixin {
     final labels = currentLabelList;
     final emailLabels = email.getLabelList(labels);
 
-    await DialogRouter().openDialogModal(
+    final newLabel = await DialogRouter().openDialogModal(
       child: AddLabelToEmailModal(
+        key: const Key('add_label_to_email_modal'),
         labels: labels,
         emailLabels: emailLabels,
         emailIds: [emailId],
@@ -202,9 +208,14 @@ mixin AddLabelToEmailMixin on EmitStateMixin {
             toggleLabelToEmail(emailIds.first, label, isSelected);
           }
         },
+        onCreateANewLabelAction: onCreateANewLabelAction,
       ),
       dialogLabel: 'add-label-to-email-modal',
     );
+
+    if (newLabel is Label) {
+      toggleLabelToEmail(emailId, newLabel, true);
+    }
   }
 
   void subscribeLabelViewStateSuccess(Success success) {

lib/features/labels/presentation/mixin/label_modal_mixin.dart

@@ -0,0 +1,56 @@
+import 'package:core/presentation/resources/image_paths.dart';
+import 'package:flutter/material.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:labels/model/label.dart';
+import 'package:tmail_ui_user/features/labels/domain/usecases/create_new_label_interactor.dart';
+import 'package:tmail_ui_user/features/labels/domain/usecases/edit_label_interactor.dart';
+import 'package:tmail_ui_user/features/labels/presentation/models/label_action_type.dart';
+import 'package:tmail_ui_user/features/labels/presentation/widgets/create_new_label_modal.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/usecases/verify_name_interactor.dart';
+import 'package:tmail_ui_user/main/routes/dialog_router.dart';
+
+mixin LabelModalMixin {
+  List<Label> get labels;
+  ImagePaths get imagePaths;
+  CreateNewLabelInteractor? get createNewLabelInteractor;
+  EditLabelInteractor? get editLabelInteractor;
+
+  Future<dynamic> openCreateNewLabelModal({
+    required AccountId accountId,
+    required VerifyNameInteractor verifyNameInteractor,
+  }) async {
+    return DialogRouter().openDialogModal(
+      child: CreateNewLabelModal(
+        key: const Key('create_label_modal'),
+        labels: labels,
+        accountId: accountId,
+        imagePaths: imagePaths,
+        verifyNameInteractor: verifyNameInteractor,
+        createNewLabelInteractor: createNewLabelInteractor!,
+        editLabelInteractor: editLabelInteractor!,
+      ),
+      dialogLabel: 'create-new-label-modal',
+    );
+  }
+
+  Future<dynamic> openEditLabelModal({
+    required Label selectedLabel,
+    required AccountId accountId,
+    required VerifyNameInteractor verifyNameInteractor,
+  }) async {
+    return DialogRouter().openDialogModal(
+      child: CreateNewLabelModal(
+        key: const Key('edit_label_modal'),
+        labels: labels,
+        accountId: accountId,
+        imagePaths: imagePaths,
+        selectedLabel: selectedLabel,
+        actionType: LabelActionType.edit,
+        verifyNameInteractor: verifyNameInteractor,
+        createNewLabelInteractor: createNewLabelInteractor!,
+        editLabelInteractor: editLabelInteractor!,
+      ),
+      dialogLabel: 'edit-label-modal',
+    );
+  }
+}

lib/features/labels/presentation/mixin/label_sub_menu_mixin.dart

@@ -15,8 +15,9 @@ mixin LabelSubMenuMixin {
     required PresentationEmail presentationEmail,
     required List<Label>? labels,
     required OnSelectLabelAction onSelectLabelAction,
+    required OnCreateANewLabelAction onCreateANewLabelAction,
   }) {
-    if (actionType == EmailActionType.labelAs && labels?.isNotEmpty == true) {
+    if (actionType == EmailActionType.labelAs) {
       final listLabels = labels ?? [];
       final emailLabels = presentationEmail.getLabelList(listLabels);
       return LabelListContextMenu(
@@ -24,6 +25,7 @@ mixin LabelSubMenuMixin {
         emailLabels: emailLabels,
         imagePaths: imagePaths,
         onSelectLabelAction: onSelectLabelAction,
+        onCreateANewLabelAction: onCreateANewLabelAction,
       );
     }
     return null;