TF-2040 Add LanguageCodeConstants to manage language supported

(cherry picked from commit de57a6a8a43c18e1deed057d6a0e12c06c2bb1fe)

lib/main/utils/app_utils.dart

@@ -2,10 +2,13 @@ import 'package:core/utils/platform_info.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:get/get.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+import 'package:tmail_ui_user/main/localizations/language_code_constants.dart';
 import 'package:tmail_ui_user/main/utils/app_config.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:intl/intl.dart' as intl;
+import 'package:date_format/date_format.dart' as date_format;
 
 class AppUtils {
 
@@ -48,4 +51,23 @@ class AppUtils {
       );
     });
   }
+
+  static date_format.DateLocale getCurrentDateLocale() {
+    final currentLanguageCode = Get.locale?.languageCode;
+    if (currentLanguageCode == LanguageCodeConstants.french) {
+      return const date_format.FrenchDateLocale();
+    } else if (currentLanguageCode == LanguageCodeConstants.english) {
+      return const date_format.EnglishDateLocale();
+    } else if (currentLanguageCode == LanguageCodeConstants.vietnamese) {
+      return const date_format.VietnameseDateLocale();
+    } else if (currentLanguageCode == LanguageCodeConstants.russian) {
+      return const date_format.RussianDateLocale();
+    } else if (currentLanguageCode == LanguageCodeConstants.arabic) {
+      return const date_format.ArabicDateLocale();
+    } else if (currentLanguageCode == LanguageCodeConstants.italian) {
+      return const date_format.ItalianDateLocale();
+    } else {
+      return const date_format.EnglishDateLocale();
+    }
+  }
 }