first commit

lib/modules/auth/refresh_token/data/datasources/auth_remote_datasource.dart

@@ -0,0 +1,30 @@
+import 'package:dio/dio.dart';
+import 'package:frontend_eccp_mobile/app/core/config/app_environment.dart';
+import 'package:frontend_eccp_mobile/app/core/network/api_endpoint.dart';
+import 'package:frontend_eccp_mobile/app/core/utils/session_manager.dart';
+import 'package:frontend_eccp_mobile/modules/auth/refresh_token/data/model/refresh_token_response.dart';
+import 'package:injectable/injectable.dart';
+
+@lazySingleton
+class AuthRemoteDataSource {
+  final Dio _dio = Dio(
+    BaseOptions(
+      baseUrl: AppEnvironment.baseUrl,
+    ),
+  );
+
+  Future<RefreshTokenResponse> refreshToken() async {
+    final token = await SessionManager.getRefreshToken();
+    final response = await _dio.post<Map<String, dynamic>>(
+      ApiEndpoint.refreshToken,
+      data: {'refresh_token': token},
+    );
+
+    final data = response.data;
+    if (data == null) {
+      throw Exception('EMPTY_RESPONSE');
+    }
+
+    return RefreshTokenResponse.fromJson(data);
+  }
+}