getFileSystemStats method

Implementation

Map<String, dynamic> getFileSystemStats(List<String> paths) {
  final stats = <String, dynamic>{};

  var totalFiles = 0;
  var totalDirectories = 0;
  var totalSizeBytes = 0;
  final pathStats = <String, Map<String, dynamic>>{};

  for (final path in paths) {
    final pathStat = <String, dynamic>{};

    if (!exists(path)) {
      pathStat['exists'] = false;
      pathStats[path] = pathStat;
      continue;
    }

    pathStat['exists'] = true;

    if (Directory(path).existsSync()) {
      pathStat['type'] = 'directory';

      try {
        final dir = Directory(path);
        final entities = dir.listSync(recursive: true);

        final files = entities.whereType<File>().toList();
        final directories = entities.whereType<Directory>().toList();

        pathStat['fileCount'] = files.length;
        pathStat['directoryCount'] = directories.length;

        var pathSize = 0;
        for (final file in files) {
          try {
            pathSize += file.lengthSync();
          } catch (e) {
            // Skip files we can't read
          }
        }
        pathStat['sizeBytes'] = pathSize;

        totalFiles += files.length;
        totalDirectories += directories.length;
        totalSizeBytes += pathSize;
      } catch (e) {
        pathStat['error'] = e.toString();
      }
    } else {
      pathStat['type'] = 'file';
      try {
        final fileSize = File(path).lengthSync();
        pathStat['sizeBytes'] = fileSize;
        totalSizeBytes += fileSize;
        totalFiles++;
      } catch (e) {
        pathStat['error'] = e.toString();
      }
    }

    pathStats[path] = pathStat;
  }

  stats['totalFiles'] = totalFiles;
  stats['totalDirectories'] = totalDirectories;
  stats['totalSizeBytes'] = totalSizeBytes;
  stats['totalSizeMB'] = (totalSizeBytes / (1024 * 1024)).toStringAsFixed(2);
  stats['pathStats'] = pathStats;

  return stats;
}