dio and login functions

lib/services/api/http_interceptor.dart

@@ -0,0 +1,76 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'dart:async';
+import 'package:syncrow_web/services/api/network_exception.dart';
+import 'package:syncrow_web/utils/snack_bar.dart';
+import 'api_links_endpoints.dart';
+
+class HTTPInterceptor extends InterceptorsWrapper {
+  List<String> headerExclusionList = [];
+
+  List<String> headerExclusionListOfAddedParameters = [
+    ApiEndpoints.login,
+  ];
+  @override
+  void onResponse(Response response, ResponseInterceptorHandler handler) async {
+    if (await validateResponse(response)) {
+      super.onResponse(response, handler);
+    } else {
+      handler.reject(DioException(requestOptions: response.requestOptions, response: response));
+    }
+  }
+
+  @override
+  void onRequest(RequestOptions options, RequestInterceptorHandler handler) async {
+    var storage = const FlutterSecureStorage();
+    // var token = await storage.read(key: Token.loginAccessTokenKey);
+    // if (checkHeaderExclusionListOfAddedParameters(options.path)) {
+    //   options.headers.putIfAbsent(HttpHeaders.authorizationHeader, () => "Bearer $token");
+    // }
+    // options.headers['Authorization'] = 'Bearer ${'${token!}123'}';
+    super.onRequest(options, handler);
+  }
+
+  @override
+  void onError(DioException err, ErrorInterceptorHandler handler) async {
+    ServerFailure failure = ServerFailure.fromDioError(err);
+    if (failure.toString().isNotEmpty) {
+      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;
+    }
+  }
+
+  checkHeaderExclusionListOfAddedParameters(String path) {
+    bool shouldAddHeader = true;
+
+    for (var urlConstant in headerExclusionListOfAddedParameters) {
+      if (path.contains(urlConstant)) {
+        shouldAddHeader = false;
+      }
+    }
+    return shouldAddHeader;
+  }
+}