city_list_model added

lib/networkApiServices/network_api_services.dart

@@ -20,50 +20,79 @@ class NetworkApiService {
         },
       ),
     );
+    // === RETRY INTERCEPTOR (for timeouts & connection errors) ===
+    _dio.interceptors.add(InterceptorsWrapper(
+      onError: (DioException err, handler) async {
+        final options = err.requestOptions;
+        const maxRetries = 2; // Total attempts = 1 initial + 2 retry
+        final currentRetry = options.extra['retry'] as int? ?? 0;
 
-    // Add interceptors
+        final shouldRetry = currentRetry < maxRetries &&
+            (err.type == DioExceptionType.connectionTimeout ||
+                err.type == DioExceptionType.sendTimeout ||
+                err.type == DioExceptionType.receiveTimeout );
+        if (shouldRetry) {
+          if (kDebugMode) {
+            print('🔁 Retrying request (${currentRetry + 1}) to ${options.uri}');
+          }
+          // Wait before retrying
+          // await Future.delayed(const Duration(seconds: 1));
+          options.extra['retry'] = currentRetry + 1;
+          // Re-execute the request
+          try {
+            final response = await _dio.fetch(options);
+            return handler.resolve(response);
+          } on DioException catch (e) {
+            return handler.reject(e);
+          }
+        }
+        // Not retrying → propagate original error
+        return handler.reject(err);
+      },
+    ));
+    // === MAIN INTERCEPTOR (logging, auth, etc.) ===
     _dio.interceptors.add(
       InterceptorsWrapper(
         onRequest: (options, handler) {
-          // Add token if available
-          // String? token = "use token here from local shared preference";
+          // Add token if available (uncomment when needed)
+          // String? token = "your_token_here";
           // if (token != null) {
           //   options.headers['Authorization'] = 'Bearer $token';
           // }
 
           if (kDebugMode) {
-            print('REQUEST[${options.method}] => URL: ${options.uri}');
+            print('📤 REQUEST[${options.method}] => URL: ${options.uri}');
           }
           return handler.next(options);
         },
         onResponse: (response, handler) {
           if (kDebugMode) {
-            print('RESPONSE[${response.statusCode}] => DATA: ${response.data}');
+            print('📥 RESPONSE[${response.statusCode}] => DATA: ${response.data}');
           }
           return handler.next(response);
         },
         onError: (error, handler) {
           if (kDebugMode) {
-            print('ERROR[${error.response?.statusCode}] => MESSAGE: ${error.message}');
+            print('❌ ERROR[${error.response?.statusCode}] => MESSAGE: ${error.message}');
           }
           return handler.next(error);
         },
       ),
     );
-
-    // Add logging interceptor in debug mode
+    // === DIO LOGGING INTERCEPTOR (debug only) ===
     if (kDebugMode) {
-      _dio.interceptors.add(LogInterceptor(
-        request: true,
-        requestHeader: true,
-        requestBody: true,
-        responseHeader: false,
-        responseBody: true,
-        error: true,
-      ));
+      _dio.interceptors.add(
+        LogInterceptor(
+          request: true,
+          requestHeader: true,
+          requestBody: true,
+          responseHeader: false,
+          responseBody: true,
+          error: true,
+        ),
+      );
     }
   }
-
   // GET API Request
   Future<Response> getApi({
     required String url,
@@ -83,7 +112,6 @@ class NetworkApiService {
       throw _handleError(e);
     }
   }
-
   // POST API Request
   Future<Response> postApi({
     required String url,
@@ -107,51 +135,6 @@ class NetworkApiService {
       throw _handleError(e);
     }
   }
-
-  // PUT API Request (Bonus)
-  Future<Response> putApi({
-    required String url,
-    dynamic data,
-    Map<String, dynamic>? queryParameters,
-    Options? options,
-    CancelToken? cancelToken,
-  }) async {
-    try {
-      final response = await _dio.put(
-        url,
-        data: data,
-        queryParameters: queryParameters,
-        options: options,
-        cancelToken: cancelToken,
-      );
-      return response;
-    } on DioException catch (e) {
-      throw _handleError(e);
-    }
-  }
-
-  // DELETE API Request (Bonus)
-  Future<Response> deleteApi({
-    required String url,
-    dynamic data,
-    Map<String, dynamic>? queryParameters,
-    Options? options,
-    CancelToken? cancelToken,
-  }) async {
-    try {
-      final response = await _dio.delete(
-        url,
-        data: data,
-        queryParameters: queryParameters,
-        options: options,
-        cancelToken: cancelToken,
-      );
-      return response;
-    } on DioException catch (e) {
-      throw _handleError(e);
-    }
-  }
-
   // Error Handler
   String _handleError(DioException error) {
     String errorDescription = "";
@@ -184,9 +167,8 @@ class NetworkApiService {
     }
     return errorDescription;
   }
-
-  // Update headers (e.g., add token)
+  // Update headers (e.g., add auth token)
   void updateHeaders(Map<String, dynamic> headers) {
     _dio.options.headers.addAll(headers);
   }
-}
+}