writeTo method

  1. @override
Future<void> writeTo(
  1. File file
)
override

Implementation

@override
Future<void> writeTo(File file) async {
  if (!await file.exists()) {
    Map<String, dynamic> data = await FirestoreDatabase.instance
        .document(documentPath)
        .get()
        .then((v) => v.data ?? {});

    if (fieldMask != null && fieldMask!.isNotEmpty) {
      data = Map.fromEntries(
        data.entries.where((e) => fieldMask!.contains(e.key)),
      );
    }
    await file.parent.create(recursive: true);
    await file.writeAsString(jsonEncode(data));
  }
}