TF-1792 Hide banner empty trash when mailbox trash empty emails

(cherry picked from commit b0533ebb3e480b737a84085d6743eba1b8c897a6)

core/lib/presentation/extensions/color_extension.dart

@@ -57,6 +57,7 @@ extension AppColor on Color {
   static const enableSendEmailButtonColor = Color(0xFF007AFF);
   static const disableSendEmailButtonColor = Color(0xFFA9B4C2);
   static const borderLeftEmailContentColor = Color(0xFFEFEFEF);
+  static const toastWarningBackgroundColor = Color(0xFFFFC107);
   static const toastSuccessBackgroundColor = Color(0xFF4BB34B);
   static const toastErrorBackgroundColor = Color(0xFFE64646);
   static const toastWithActionBackgroundColor = Color(0xFF3F3F3F);

core/lib/presentation/utils/app_toast.dart

@@ -48,6 +48,25 @@ class AppToast {
     );
   }
 
+  void showToastWarningMessage(
+    BuildContext context,
+    String message,
+    {
+      Color? leadingSVGIconColor,
+      String? leadingSVGIcon,
+    }
+  ) {
+    final imagePaths = Get.find<ImagePaths>();
+    showToastMessage(
+      context,
+      message,
+      backgroundColor: AppColor.toastWarningBackgroundColor,
+      textColor: Colors.white,
+      leadingSVGIconColor: leadingSVGIconColor ?? (leadingSVGIcon == null ? Colors.white : null),
+      leadingSVGIcon: leadingSVGIcon ?? imagePaths.icInfoCircleOutline
+    );
+  }
+
   void showToastMessage(
     BuildContext context,
     String message,

lib/features/base/mixin/mailbox_action_handler_mixin.dart

@@ -1,10 +1,8 @@
 
 import 'package:core/core.dart';
-import 'package:core/presentation/views/bottom_popup/confirmation_dialog_action_sheet_builder.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
-import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 import 'package:tmail_ui_user/features/mailbox/domain/extensions/presentation_mailbox_extension.dart';
@@ -47,11 +45,12 @@ mixin MailboxActionHandlerMixin {
 
   void emptyTrashAction(
     BuildContext context,
-    MailboxId mailboxId,
+    PresentationMailbox mailbox,
     MailboxDashBoardController dashboardController
   ) {
     final responsiveUtils = Get.find<ResponsiveUtils>();
     final imagePaths = Get.find<ImagePaths>();
+    final appToast = Get.find<AppToast>();
 
     if (responsiveUtils.isScreenWithShortestSide(context)) {
       (ConfirmationDialogActionSheetBuilder(context)
@@ -59,7 +58,14 @@ mixin MailboxActionHandlerMixin {
         ..onCancelAction(AppLocalizations.of(context).cancel, popBack)
         ..onConfirmAction(AppLocalizations.of(context).delete, () {
             popBack();
-            dashboardController.emptyTrashFolderAction(trashFolderId: mailboxId);
+            if (mailbox.countEmails > 0) {
+              dashboardController.emptyTrashFolderAction(trashFolderId: mailbox.id);
+            } else {
+              appToast.showToastWarningMessage(
+                context,
+                AppLocalizations.of(context).noEmailInYourCurrentMailbox
+              );
+            }
         }))
       .show();
     } else {
@@ -78,8 +84,15 @@ mixin MailboxActionHandlerMixin {
               color: AppColor.colorActionDeleteConfirmDialog))
           ..onCloseButtonAction(popBack)
           ..onConfirmButtonAction(AppLocalizations.of(context).delete, () {
-            popBack();
-            dashboardController.emptyTrashFolderAction(trashFolderId: mailboxId);
+              popBack();
+              if (mailbox.countEmails > 0) {
+                dashboardController.emptyTrashFolderAction(trashFolderId: mailbox.id);
+              } else {
+                appToast.showToastWarningMessage(
+                  context,
+                  AppLocalizations.of(context).noEmailInYourCurrentMailbox
+                );
+              }
           })
           ..onCancelButtonAction(AppLocalizations.of(context).cancel, popBack))
         .build()));

lib/features/mailbox/presentation/mailbox_controller.dart

@@ -940,7 +940,7 @@ class MailboxController extends BaseMailboxController with MailboxActionHandlerM
         _unsubscribeMailboxAction(mailbox.id);
         break;
       case MailboxActions.emptyTrash:
-        emptyTrashAction(context, mailbox.id, mailboxDashBoardController);
+        emptyTrashAction(context, mailbox, mailboxDashBoardController);
         break;
       default:
         break;

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -1394,9 +1394,11 @@ class MailboxDashBoardController extends ReloadableController {
     }
   }
 
-
-
-  bool get isMailboxTrash => selectedMailbox.value?.isTrash == true;
+  bool get isMailboxTrashValid {
+    return selectedMailbox.value != null
+      && selectedMailbox.value!.isTrash
+      && selectedMailbox.value!.countEmails > 0;
+  }
 
   void emptyTrashAction(BuildContext context) {
     dispatchAction(EmptyTrashAction(context));

lib/features/mailbox_dashboard/presentation/mailbox_dashboard_view_web.dart

@@ -639,15 +639,16 @@ class MailboxDashBoardView extends BaseMailboxDashBoardView {
       .toList();
   }
 
-  bool supportEmptyTrash(BuildContext context) {
-    return controller.isMailboxTrash
-        && !controller.searchController.isSearchActive()
-        && responsiveUtils.isWebDesktop(context);
+  bool _supportEmptyTrash(BuildContext context) {
+    return controller.isMailboxTrashValid
+      && !controller.searchController.isSearchActive()
+      && responsiveUtils.isWebDesktop(context);
   }
 
   Widget _buildEmptyTrashButton(BuildContext context) {
     return Obx(() {
-      if (supportEmptyTrash(context)) {
+      log('MailboxDashBoardView::_buildEmptyTrashButton():');
+      if (_supportEmptyTrash(context)) {
         return Container(
           decoration: BoxDecoration(
               borderRadius: const BorderRadius.all(Radius.circular(14)),

lib/features/search/mailbox/presentation/search_mailbox_controller.dart

@@ -278,7 +278,7 @@ class SearchMailboxController extends BaseMailboxController with MailboxActionHa
         );
         break;
       case MailboxActions.emptyTrash:
-        emptyTrashAction(context, mailbox.id, dashboardController);
+        emptyTrashAction(context, mailbox, dashboardController);
         break;
       default:
         break;

model/lib/mailbox/presentation_mailbox.dart

@@ -79,6 +79,8 @@ class PresentationMailbox with EquatableMixin {
     return unreadEmails!.value.value <= 999 ? '${unreadEmails!.value.value}' : '999+';
   }
 
+  int get countEmails => totalEmails?.value.value.toInt() ?? 0;
+
   bool get isSpam => role == roleSpam;
   
   bool get isTrash => role == roleTrash;