TF-239 Delete multiple emails permanently

lib/features/thread/presentation/model/delete_action_type.dart

@@ -0,0 +1,45 @@
+
+import 'package:flutter/cupertino.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+enum DeleteActionType {
+  all,
+  multiple,
+  single,
+}
+
+extension DeleteActionTypeExtension on DeleteActionType {
+
+  String getTitleDialog(BuildContext context) {
+    switch(this) {
+      case DeleteActionType.all:
+        return AppLocalizations.of(context).empty_trash_folder;
+      case DeleteActionType.multiple:
+        return AppLocalizations.of(context).delete_messages_forever;
+      case DeleteActionType.single:
+        return AppLocalizations.of(context).delete_message_forever;
+    }
+  }
+
+  String getContentDialog(BuildContext context, {int? count}) {
+    switch(this) {
+      case DeleteActionType.all:
+        return AppLocalizations.of(context).empty_trash_dialog_message;
+      case DeleteActionType.multiple:
+        return AppLocalizations.of(context).delete_multiple_messages_dialog(count ?? 0);
+      case DeleteActionType.single:
+        return AppLocalizations.of(context).delete_single_message_dialog;
+    }
+  }
+
+  String getConfirmActionName(BuildContext context) {
+    switch(this) {
+      case DeleteActionType.all:
+        return AppLocalizations.of(context).delete_all;
+      case DeleteActionType.multiple:
+        return AppLocalizations.of(context).delete;
+      case DeleteActionType.single:
+        return AppLocalizations.of(context).delete;
+    }
+  }
+}