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Refactor HTTPInterceptor and add CustomSnackBar helper

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Refactor HTTPInterceptor to handle error responses and add a CustomSnackBar
helper to display snack bars. This will improve error handling and user
feedback in the application.
This commit is contained in:
Mohammad Salameh
2024-04-15 12:02:34 +03:00
parent 590c70a7d8
commit cfc395e210
10 changed files with 287 additions and 188 deletions
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83
lib/services/api/http_interceptor.dart
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@ -1,46 +1,63 @@
import 'package:dio/dio.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:syncrow_app/features/auth/bloc/auth_cubit.dart';
import 'package:syncrow_app/features/auth/model/token.dart';
import 'package:syncrow_app/navigation/navigation_service.dart';
import 'dart:async';
import 'dart:developer' as developer;
import 'package:syncrow_app/services/api/network_exception.dart';
import 'package:syncrow_app/utils/helpers/snack_bar.dart';
class HTTPInterceptor extends InterceptorsWrapper {
// @override
// void onResponse(Response response, ResponseInterceptorHandler handler) async {
// // Pass the response to the next interceptor or response handler.
// return handler.next(response);
// }
//
@override
@override
void onResponse(Response response, ResponseInterceptorHandler handler) async {
return handler.next(response);
}
@override
void onRequest(
RequestOptions options, RequestInterceptorHandler handler) async {
var storage = const FlutterSecureStorage();
var token = await storage.read(key: Token.loginAccessTokenKey);
options.headers['Authorization'] = 'Bearer $token';
// options.headers['Authorization'] = 'Bearer $token';
options.headers['Authorization'] = 'Bearer ${'${token!}123'}';
super.onRequest(options, handler);
}
//
// @override
// void onError(DioException err, ErrorInterceptorHandler handler) async {
// // TODO: Implement error handling logic.
// // This method is called when an error occurs during a request.
// super.onError(err, handler);
// }
//
// /// Validates the response and returns true if it is successful (status code 2xx).
// Future<bool> validateResponse(Response response) async {
// if (response.statusCode != null) {
// if (response.statusCode! >= 200 && response.statusCode! < 300) {
// // If the response status code is within the successful range (2xx),
// // return true indicating a successful response.
// return true;
// } else {
// // If the response status code is not within the successful range (2xx),
// // return false indicating an unsuccessful response.
// return false;
// }
// } else {
// // If the response status code is null, return false indicating an unsuccessful response.
// return false;
// }
// }
@override
void onError(DioException err, ErrorInterceptorHandler handler) async {
developer.log('Error Message: ${err.message}');
developer.log('Error res Code: ${err.response?.statusCode}');
developer.log('Error res Data: ${err.response?.data}');
developer.log('Error res status message: ${err.response?.statusMessage}');
ServerFailure failure = ServerFailure.fromDioError(err);
CustomSnackBar.displaySnackBar(failure.toString());
var storage = const FlutterSecureStorage();
var token = await storage.read(key: Token.loginAccessTokenKey);
if (err.response?.statusCode == 401 && token != null) {
await AuthCubit.get(NavigationService.navigatorKey.currentContext!)
.logout();
super.onError(err, handler);
}
}
/// Validates the response and returns true if it is successful (status code 2xx).
Future<bool> validateResponse(Response response) async {
if (response.statusCode != null) {
if (response.statusCode! >= 200 && response.statusCode! < 300) {
// If the response status code is within the successful range (2xx),
// return true indicating a successful response.
return true;
} else {
// If the response status code is not within the successful range (2xx),
// return false indicating an unsuccessful response.
return false;
}
} else {
// If the response status code is null, return false indicating an unsuccessful response.
return false;
}
}
}