loadDownloadList static method

dynamic loadDownloadList(dynamic callBack(List<List<ScanModel>>? list)?)

Implementation

static loadDownloadList(
    Function(List<List<ScanModel>>? list)? callBack) async {
  Directory dir = await getApplicationDocumentsDirectory();
  String folderName = "${dir.path}/lesntec_download";
  Directory realDir = Directory(folderName);
  bool isExist = realDir.existsSync();
  if (isExist) {
    realDir.list().toList().then((value) async {
      if (value.isNotEmpty) {
        List<List<ScanModel>> modelList = [];
        for (FileSystemEntity element in value) {
          Directory temp = Directory(element.path);
          List<ScanModel> subModelList = [];
          if (temp.existsSync()) {
            var res = await temp.list().toList();

            for (var value2 in res) {
              String name = UnitsDataTool.converFileName(value2.path);
              List splitStr = name.split(".");
              String realName = splitStr.first;
              List<ScanModel>? scanModelList =
                  await UnitsForSqlite.queryDataListWithName(realName);
              ScanModel? scanModel;
              if (scanModelList != null && scanModelList.isNotEmpty) {
                if (scanModelList.length == 1) {
                  scanModel = scanModelList.first;
                } else {
                  for (var element in scanModelList) {
                    if (element.id == realName) {
                      scanModel = element;
                    }
                  }
                }
              }

              Map tempMap = jsonDecode(scanModel!.params!);
              tempMap["filePath"] = value2.path;
              scanModel.params = jsonEncode(tempMap);
              subModelList.add(scanModel);
            }
            if (subModelList.isNotEmpty) {
              modelList.add(subModelList);
            }
          }
        }
        if (callBack != null) {
          callBack(modelList);
        }
      }
      debugPrint(value.toString());
    });
  } else {
    if (callBack != null) {
      callBack(null);
    }
  }
}