localaization in eceptions

lib/app/components/empty_widget.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:get/get.dart';
+import 'package:getx_standard/config/translations/strings_enum.dart';
 import 'package:ionicons/ionicons.dart';
 import 'package:lottie/lottie.dart';
 
@@ -10,55 +12,52 @@ class EmptyWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     var theme = Theme.of(context);
 
-    return Padding(
-      padding: EdgeInsets.only(bottom: 100.h),
-      child: Column(
-        mainAxisAlignment: MainAxisAlignment.center,
-        crossAxisAlignment: CrossAxisAlignment.center,
-        children: [
-          Lottie.asset(
-            'animations/error.json',
-            height: 120.h,
-            repeat: true,
-            reverse: true,
-            fit: BoxFit.cover,
-          ),
-          Center(
-            child: Text(
-              "Empty or No data !",
-              style: TextStyle(
-                fontSize: 18.sp,
-                fontWeight: FontWeight.w500,
-                color: theme.hintColor.withOpacity(.5),
-              ),
-            ),
-          ),
-          SizedBox(height: 40.h),
-          SizedBox(
-            height: 44.h,
-            child: ElevatedButton(
-                onPressed: onPressed,
-                style: ElevatedButton.styleFrom(
-                  backgroundColor: Colors.grey.shade50,
-                  elevation: .5,
-                  shadowColor: theme.hintColor,
-                  padding: EdgeInsets.zero,
-                ),
-                child: Icon(
-                  Ionicons.refresh,
-                  size: 24,
-                  color: theme.primaryColor.withOpacity(.7),
-                )),
-          ),
-          const SizedBox(height: 5),
-          Text(
-            "refresh!",
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        Lottie.asset(
+          'animations/error.json',
+          height: 120.h,
+          repeat: true,
+          reverse: true,
+          fit: BoxFit.cover,
+        ),
+        Center(
+          child: Text(
+            Strings.empty.tr,
             style: TextStyle(
+              fontSize: 18.sp,
+              fontWeight: FontWeight.w500,
               color: theme.hintColor.withOpacity(.5),
             ),
           ),
-        ],
-      ),
+        ),
+        SizedBox(height: 50.h),
+        SizedBox(
+          height: 44.h,
+          child: ElevatedButton(
+              onPressed: onPressed,
+              style: ElevatedButton.styleFrom(
+                backgroundColor: Colors.grey.shade50,
+                elevation: .5,
+                shadowColor: theme.hintColor,
+                padding: EdgeInsets.zero,
+              ),
+              child: Icon(
+                Ionicons.refresh,
+                size: 24,
+                color: theme.primaryColor.withOpacity(.7),
+              )),
+        ),
+        const SizedBox(height: 5),
+        Text(
+          Strings.refresh.tr,
+          style: TextStyle(
+            color: theme.hintColor.withOpacity(.5),
+          ),
+        ),
+      ],
     );
   }
 }

lib/app/service/api_exceptions.dart

@@ -1,44 +1,48 @@
 import 'package:dio/dio.dart';
+import 'package:get/get.dart';
+import 'package:getx_standard/config/translations/strings_enum.dart';
 
 class DioExceptions implements Exception {
   String message = "";
   DioExceptions.fromDioError(DioError dioError) {
     switch (dioError.type) {
       case DioErrorType.cancel:
-        message = "Request cancelled!";
+        message = Strings.requestCanceled.tr;
         break;
       case DioErrorType.connectTimeout:
-        message = "Connection timeout!";
+        message = Strings.connectionTimeout.tr;
         break;
       case DioErrorType.other:
-        message = "Connection problem!";
+        message = Strings.connectionProblem.tr;
         break;
       case DioErrorType.receiveTimeout:
-        message = "Receive timeout!";
+        message = Strings.receiveTimeout.tr;
         break;
       case DioErrorType.response:
         message = _handleError(
             dioError.response!.statusCode!.toInt(), dioError.response!.data);
         break;
       case DioErrorType.sendTimeout:
-        message = "Send timeout!";
+        message = Strings.sendTimeout.tr;
         break;
       default:
-        message = "Something went wrong";
+        message = Strings.somethingWrong.tr;
         break;
     }
   }
 
   String _handleError(int statusCode, dynamic error) {
     switch (statusCode) {
       case 400:
-        return error['error'] ?? error["message"] ?? 'Bad request';
+        return error['error'] ?? error["message"] ?? Strings.badRequest.tr;
       case 404:
-        return error['error'] ?? error["message"] ?? "Api Url Incorrect";
+        return error['error'] ?? error["message"] ?? Strings.urlIncorrect.tr;
       case 500:
-        return error['error'] ?? error["message"] ?? "Internal Server Error";
+        return error['error'] ??
+            error["message"] ??
+            Strings.internalServerError.tr;
       default:
-        return error['error'] ?? error["message"] ?? 'Something went wrong';
+        return error['error'] ?? error["message"] ?? Strings.somethingWrong.tr;
     }
   }
 

lib/app/service/base_controller.dart

@@ -1,7 +1,7 @@
-import 'dart:async';
-
 import 'package:flutter/foundation.dart';
 import 'package:get/get.dart';
+import 'package:getx_standard/config/translations/strings_enum.dart';
+
 import 'api_exceptions.dart';
 import 'helper/dialog_helper.dart';
 
@@ -13,7 +13,7 @@ class BaseController {
 
     var errorText = DioExceptions.fromDioError(error).toString();
 
-    showErrorDialog("Oops!", errorText);
+    showErrorDialog(Strings.oops.tr, errorText);
 
     if (kDebugMode) {
       print(errorText);

lib/app/service/helper/dialog_helper.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
+import 'package:getx_standard/config/translations/strings_enum.dart';
 import 'package:lottie/lottie.dart';
 
 class DialogHelper {
@@ -37,7 +38,7 @@ class DialogHelper {
                 onPressed: () {
                   if (Get.isDialogOpen!) Get.back();
                 },
-                child: const Text('Okay'),
+                child: Text(Strings.okay.tr),
               ),
             ],
           ),

lib/config/translations/ar_AR/ar_ar_translation.dart

@@ -1,16 +1,22 @@
 import '../strings_enum.dart';
 
-final Map<String, String> arAR =
-{
-  Strings.hello : 'مرحباً!',
-  Strings.loading : 'جاري التحميل',
+final Map<String, String> arAR = {
+  ///API EXCEPTIONS
+  Strings.requestCanceled: "تم إلغاء الطلب!",
+  Strings.connectionTimeout: "انتهى وقت محاولة الاتصال!",
+  Strings.receiveTimeout: "مهلة الاستلام!",
+  Strings.sendTimeout: "مهلة الإرسال!",
+  Strings.connectionProblem: "مشكلة في الاتصال!",
+  Strings.somethingWrong: "هناك خطأ ما!",
+  Strings.badRequest: "اقتراح غير جيد",
+  Strings.urlIncorrect: "عنوان Api Url غير صحيح",
+  Strings.internalServerError: "خطأ في الخادم الداخلي",
 
-  Strings.changeTheme : 'تغيير الثيم',
-  Strings.changeLanguage : 'تغيير اللغة',
-
-  Strings.noInternetConnection : 'لا يوجد إتصال بالإنترنت',
-  Strings.serverNotResponding : 'لا يوجد إستجابة من السيرفر!',
-  Strings.someThingWentWorng : 'حدث خطأ غير متوقع!',
-  Strings.apiNotFound : 'الرابط الذي تحاول الوصول اليه غير موجود!',
-  Strings.serverError : 'مشكلة من السيرفر',
+  ///
+  Strings.changeTheme: 'تغيير الثيم',
+  Strings.changeLanguage: 'تغيير اللغة',
+  Strings.oops: "أُووبس!",
+  Strings.okay: "تمام",
+  Strings.refresh: "ينعش!",
+  Strings.empty: "فارغة أو لا توجد بيانات!",
 };

lib/config/translations/en_US/en_us_translation.dart

@@ -1,16 +1,22 @@
 import '../strings_enum.dart';
 
 const Map<String, String> enUs = {
-  Strings.hello : 'Hello!',
-  Strings.loading : 'Loading',
-
-  Strings.changeTheme : 'Change theme',
-  Strings.changeLanguage : 'Change language',
-
-  Strings.noInternetConnection : 'No internet connection!',
-  Strings.serverNotResponding : 'Server is not responding!',
-  Strings.someThingWentWorng : 'Something went wrong',
-  Strings.apiNotFound : 'Route not found!',
-  Strings.serverError : 'Server error',
+  ///API EXCEPTIONS
+  Strings.requestCanceled: "Request cancelled!",
+  Strings.connectionTimeout: "Connection timeout!",
+  Strings.receiveTimeout: "Receive timeout!",
+  Strings.sendTimeout: "Send timeout!",
+  Strings.connectionProblem: "Connection problem!",
+  Strings.somethingWrong: "Something went wrong!",
+  Strings.badRequest: "Bad request",
+  Strings.urlIncorrect: "Api Url Incorrect",
+  Strings.internalServerError: "Internal Server Error",
 
+  ///
+  Strings.changeTheme: 'Change theme',
+  Strings.changeLanguage: 'Change language',
+  Strings.oops: "Oops!",
+  Strings.okay: "Okay",
+  Strings.refresh: "refresh!",
+  Strings.empty: "Empty or No data!",
 };

lib/config/translations/localization_service.dart

@@ -10,32 +10,31 @@ class LocalizationService extends Translations {
   static Locale defaultLanguage = supportedLanguages['en']!;
 
   // supported languages
-  static Map<String,Locale> supportedLanguages = {
-    'en' : const Locale('en', 'US'),
-    'ar' : const Locale('ar', 'AR'),
+  static Map<String, Locale> supportedLanguages = {
+    'en': const Locale('en', 'US'),
+    'ar': const Locale('ar', 'AR'),
   };
 
   // supported languages fonts family (must be in assets & pubspec yaml) or you can use google fonts
-  static Map<String,TextStyle> supportedLanguagesFontsFamilies = {
-    'en' : const TextStyle(fontFamily: 'Poppins'),
+  static Map<String, TextStyle> supportedLanguagesFontsFamilies = {
+    'en': const TextStyle(fontFamily: 'Poppins'),
     'ar': const TextStyle(fontFamily: 'Cairo'),
   };
 
   @override
   Map<String, Map<String, String>> get keys => {
-    'en_US': enUs,
-    'ar_AR': arAR,
-  };
+        'en_US': enUs,
+        'ar_AR': arAR,
+      };
 
   /// check if the language is supported
   static isLanguageSupported(String languageCode) =>
-    supportedLanguages.keys.contains(languageCode);
-
+      supportedLanguages.keys.contains(languageCode);
 
   /// update app language by code language for example (en,ar..etc)
   static updateLanguage(String languageCode) async {
     // check if the language is supported
-    if(!isLanguageSupported(languageCode)) return;
+    if (!isLanguageSupported(languageCode)) return;
     // update current language in shared pref
     MySharedPref.setCurrentLanguage(languageCode);
     await Get.updateLocale(supportedLanguages[languageCode]!);
@@ -46,6 +45,5 @@ class LocalizationService extends Translations {
       MySharedPref.getCurrentLocal().languageCode.toLowerCase().contains('en');
 
   /// get current locale
-  static Locale getCurrentLocal () => MySharedPref.getCurrentLocal();
+  static Locale getCurrentLocal() => MySharedPref.getCurrentLocal();
 }
-

lib/config/translations/strings_enum.dart

@@ -1,15 +1,20 @@
 class Strings {
-  static const String hello = 'hello';
-  static const String loading = 'loading';
-
+  /// API EXCEPTIONS
+  static const String requestCanceled = "Request cancelled!";
+  static const String connectionTimeout = "Connection timeout!";
+  static const String receiveTimeout = "Receive timeout!";
+  static const String sendTimeout = "Send timeout!";
+  static const String connectionProblem = "Connection problem!";
+  static const String somethingWrong = "Something went wrong!";
+  static const String badRequest = "Bad request";
+  static const String urlIncorrect = "Api Url Incorrect";
+  static const String internalServerError = "Internal Server Error";
 
+  ///
   static const String changeTheme = 'change_theme';
   static const String changeLanguage = 'change_language';
-
-
-  static const String noInternetConnection = 'no internet connection';
-  static const String serverNotResponding = 'server not responding';
-  static const String someThingWentWorng = 'something went wrong';
-  static const String apiNotFound = 'api not found';
-  static const String serverError = 'Server errro';
+  static const String oops = "Oops!";
+  static const String okay = "Okay";
+  static const String refresh = "refresh!";
+  static const String empty = "Empty or No data!";
 }