upgraded - dependencies, replaced - fold[either] with switch[pattern-…

…matching]

lib/src/core/failure/network_failure.dart

@@ -1,5 +1,4 @@
-// ignore_for_file: , depend_on_referenced_packages
-
+// ignore_for_file:  depend_on_referenced_packages, no_leading_underscores_for_local_identifiers
 import 'package:dio/dio.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:weather_app/src/core/failure/app_failure.dart';
@@ -31,7 +30,7 @@ class NetworkFailure with _$NetworkFailure implements AppFailure {
       );
     }
     //we can't be here because we checked before calling this method
-    throw Exception('Terminating: We can\'t be here!');
+    throw Exception(ErrorMessage.nonProducable.name);
   }
 
   // Helper method to handle different types of Dio exceptions
@@ -40,42 +39,45 @@ class NetworkFailure with _$NetworkFailure implements AppFailure {
       case DioExceptionType.connectionTimeout:
       case DioExceptionType.sendTimeout:
       case DioExceptionType.receiveTimeout:
-        return "Timeout occurred while sending or receiving";
+        return ErrorMessage.timeOut.name;
       case DioExceptionType.badResponse:
-        return error.message ?? 'Bad response';
+        return error.message ?? ErrorMessage.badResponse.name;
       case DioExceptionType.cancel:
         break;
       case DioExceptionType.unknown:
         return _getErrorResponseBodyFromServer(error);
       case DioExceptionType.badCertificate:
-        return "Internal Server Error";
+        return ErrorMessage.internalServerError.name;
       case DioExceptionType.connectionError:
-        return error.message ?? 'Connection Error';
+        return error.message ?? ErrorMessage.connectionError.name;
       default:
-        return "Unknown Error";
+        return ErrorMessage.unknownError.name;
     }
-    return "Unknown Error";
+    return ErrorMessage.unknownError.name;
   }
 
   static String _getErrorResponseBodyFromServer(DioException error) {
     assert(error.type == DioExceptionType.unknown);
+    if (error.response?.data is String) {
+      return error.response?.data ?? 'Redirected to login page';
+    }
     // Here Map<String, dynamic> is the type of the response body
     // You can use a proper Model class to parse the response body
     final responseBody = error.response?.data as Map<String, dynamic>?;
-    String? msg = responseBody?['detail'] ?? error.message;
+    String? msg = responseBody?['message'] ?? error.message;
     if (msg == null || msg.isEmpty || msg == 'null') {
-      msg = 'Data is not available from server';
+      msg = ErrorMessage.dataUnavailable.name;
     }
     return msg;
   }
 
   static String _getErrorName(DioException error) {
-    String _name = 'Unrecognized error';
+    String _name = ErrorMessage.unrecognizedError.name;
     if (error.type == DioExceptionType.connectionError ||
         error.type == DioExceptionType.sendTimeout ||
         error.type == DioExceptionType.receiveTimeout ||
         error.type == DioExceptionType.connectionTimeout) {
-      _name = 'No internet connection';
+      _name = ErrorMessage.noInternetConnection.name;
     }
 
     final code = error.response?.statusCode;

lib/src/core/networking/network_misc.dart

@@ -1,6 +1,7 @@
 typedef JSON = Map<String, dynamic>;
 
 enum StatusCode {
+  redirectResponse(code: 302, name: 'Redirect Response'),
   badRequest(code: 400, name: 'Bad Request'),
   unauthorized(code: 401, name: 'Unauthorized'),
   forbidden(code: 403, name: 'Forbidden'),
@@ -26,11 +27,11 @@ enum StatusCode {
 
 StatusCode? getStatusCode(int? code) {
   return switch (code) {
+    302 => StatusCode.redirectResponse,
     400 => StatusCode.badRequest,
     401 => StatusCode.unauthorized,
     403 => StatusCode.forbidden,
     404 => StatusCode.notFound,
-    408 => StatusCode.requestTimeout,
     409 => StatusCode.conflict,
     419 => StatusCode.tokenExpired,
     422 => StatusCode.unprocessableEntity,
@@ -53,3 +54,16 @@ class NetworkMisc {
     tokenField: true
   };
 }
+
+enum ErrorMessage {
+  nonProducable,
+  timeOut,
+  badResponse,
+  internalServerError,
+  connectionError,
+  unknownError,
+  dataUnavailable,
+  unrecognizedError,
+  noInternetConnection,
+  somethingWentWrong,
+}

lib/src/feature/weather/application/notifiers/weather_notifier.dart

@@ -1,3 +1,4 @@
+import 'package:fpdart/fpdart.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:weather_app/src/core/helper/colored_logger.dart';
 import 'package:weather_app/src/feature/common/states/api_state.dart';
@@ -19,19 +20,12 @@ class WeatherNotifier extends _$WeatherNotifier {
     final repo = ref.read(getWeatherRepositoryProvider);
     var data = await repo.getWeather(cityName);
     ColoredLogger.Green.log('Got weather for $cityName');
-    data.fold(
-      (l) {
-        ColoredLogger.Red.log('Failed to get weather for $cityName');
-        //we can handle error here
-        state = ApiRequestState.failed(reason: l);
-      },
-      (r) {
-        //we can handle success here
-        //convert the dto to entity as we don't want dto to be exposed to the presentation layer
-        state = ApiRequestState<WeatherFullEntity>.data(
+
+    state = switch (data) {
+      Left(value: final l) => ApiRequestState.failed(reason: l),
+      Right(value: final r) => ApiRequestState<WeatherFullEntity>.data(
           data: WeatherFullEntity.fromDTO(r),
-        );
-      },
-    );
+        ),
+    };
   }
 }

lib/src/feature/weather/presentation/screen/weather_infromation_screen.dart

@@ -108,7 +108,7 @@ class WeatherInformationScreen extends HookConsumerWidget {
                         margin: EdgeInsets.only(top: 140),
                         alignment: Alignment.center,
                         child: Text(
-                          e.toString(),
+                          e.message,
                           style: bigTitleStyle,
                         ),
                       );