RemoteConfigViewModel.dart

import 'dart:convert';

import 'package:firebase_remote_config/test_client.dart';
import 'package:flutter/services.dart';
import 'package:googleapis/firebaseremoteconfig/v1.dart';
import 'package:googleapis_auth/auth_io.dart';
import 'package:http/http.dart';

class RemoteConfigViewModel {
  final projectName = "projects/fir-admin-control";
  Future<void> init() async {
    final serviceJson = await rootBundle.loadString(
        "assets/fir-admin-control-firebase-adminsdk-hd8f2-1055f01308.json");
    final accountConfig =
        ServiceAccountCredentials.fromJson(jsonDecode(serviceJson));
    final client = TestClient(currentVersion: '', projectNumber: '');
    final httpClient = await clientViaServiceAccount(
      accountConfig,
      [FirebaseRemoteConfigApi.cloudPlatformScope],
      baseClient: client,
    );
    final remoteConfigApi = FirebaseRemoteConfigApi(httpClient);
    final projectRemoteConfig =
        await remoteConfigApi.projects.getRemoteConfig(projectName);
    if (projectRemoteConfig.version == null) return;
    final projectVersion = projectRemoteConfig.version!;
    final String dateTime = DateTime.now().toUtc().toIso8601String();
    Version version = Version(
        description: projectVersion.description,
        isLegacy: projectVersion.isLegacy,
        rollbackSource: projectVersion.rollbackSource,
        updateOrigin: projectVersion.updateOrigin,
        updateTime: dateTime,
        updateType: "REMOTE_CONFIG_UPDATE_TYPE_UNSPECIFIED",
        updateUser: RemoteConfigUser(email: "test@test.co.za", name: "Test"),);

    final updateValue = RemoteConfig(
      parameters: {
        "test2": RemoteConfigParameter(
            valueType: "STRING",
            description: "test2 please",
            defaultValue:
                RemoteConfigParameterValue(value: "this is from ap123234"))
      },
      version: version,
    );
    try {
      final response = await remoteConfigApi.projects
          .updateRemoteConfig(updateValue, projectName);
      print("success: $response");
    } catch (e, s) {
      print("$e: $s");
    }
    print(projectRemoteConfig.toJson());
    print(serviceJson);
    print(accountConfig.email);
  }
}

TestClient.dart

import 'dart:io' as io;

import 'package:http/http.dart';
import 'package:http/io_client.dart' as http;

class TestClient extends BaseClient {
  final String projectNumber;
  final String currentVersion;
  final io.HttpClient _ioHttpClient;
  late http.IOClient _httpClient;

  TestClient({required this.projectNumber, required this.currentVersion})
      : _ioHttpClient = io.HttpClient() {
    _httpClient = http.IOClient(_ioHttpClient);
  }

  @override
  Future<StreamedResponse> send(BaseRequest request) {
    request.headers
        .putIfAbsent(
      "If-Match",
      () => "etag-$projectNumber-$currentVersion",
    );
    return _httpClient.send(request);
  }
}