TF-585 Fix identity restrict BCC field

lib/features/mailbox_creator/domain/exceptions/verify_name_exception.dart

@@ -5,6 +5,7 @@ abstract class VerifyNameException extends Equatable implements Exception {
   static const emptyName = 'The name cannot be empty!';
   static const duplicatedName = 'The name already exists!';
   static const nameContainSpecialCharacter = 'The name cannot contain special characters';
+  static const emailAddressInvalid = 'The email address invalid';
 
   final String? message;
 
@@ -28,6 +29,13 @@ class DuplicatedNameException extends VerifyNameException {
 class SpecialCharacterException extends VerifyNameException {
   const SpecialCharacterException() : super(VerifyNameException.nameContainSpecialCharacter);
 
+  @override
+  List<Object> get props => [];
+}
+
+class EmailAddressInvalidException extends VerifyNameException {
+  const EmailAddressInvalidException() : super(VerifyNameException.emailAddressInvalid);
+
   @override
   List<Object> get props => [];
 }

lib/features/mailbox_creator/domain/model/verification/email_address_validator.dart

@@ -0,0 +1,20 @@
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:get/get.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/exceptions/verify_name_exception.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/new_name_request.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/model/verification/validator.dart';
+import 'package:tmail_ui_user/features/mailbox_creator/domain/state/verify_name_view_state.dart';
+
+class EmailAddressValidator extends Validator<NewNameRequest> {
+
+  @override
+  Either<Failure, Success> validate(NewNameRequest newNameRequest) {
+    if (newNameRequest.value != null && GetUtils.isEmail(newNameRequest.value!)) {
+      return Right<Failure, Success>(VerifyNameViewState());
+    } else {
+      return Left<Failure, Success>(VerifyNameFailure(const EmailAddressInvalidException()));
+    }
+  }
+}

lib/features/mailbox_creator/presentation/extensions/validator_failure_extension.dart

@@ -28,6 +28,8 @@ extension ValicatorFailureExtension on VerifyNameFailure {
   String getMessageIdentity(BuildContext context) {
     if (exception is EmptyNameException) {
       return AppLocalizations.of(context).this_field_cannot_be_blank;
+    } else if (exception is EmailAddressInvalidException) {
+      return AppLocalizations.of(context).thisEmailAddressInvalid;
     } else {
       return '';
     }