initialize method

@override Future<void> initialize(Map<String, dynamic> config)

Initialize the database provider with configuration settings

Implementation

@override
Future<void> initialize(Map<String, dynamic> config) async {
  if (_initialized) {
    return;
  }

  final serviceAccount = _loadServiceAccount(config);
  final credentials = ServiceAccountCredentials.fromJson(serviceAccount);

  _projectId =
      _stringFromConfig(config, 'projectId') ??
      _stringFromMap(serviceAccount, 'project_id') ??
      _stringFromConfig(config, 'project') ??
      '';

  if (_projectId.isEmpty) {
    throw ArgumentError('Missing required config: projectId');
  }

  _databaseId = _stringFromConfig(config, 'databaseId') ??
      _stringFromConfig(config, 'database') ??
      '(default)';

  final scopes = _scopesFromConfig(config) ??
      [firestore.FirestoreApi.datastoreScope];

  _client = await clientViaServiceAccount(credentials, scopes);
  _api = firestore.FirestoreApi(_client!);
  _initialized = true;
}