pingCheck method

Implementation

@override
Future<HealthIndicatorCheck> pingCheck(RequestContext _) async {
  try {
    ProcessResult result;
    if (Platform.isWindows) {
      result = await Process.run('wmic', [
        'logicaldisk',
        'get',
        'size,freespace',
      ]);
    } else {
      result = await Process.run('df', ['-k', p.normalize(p.absolute(path))]);
    }
    if (result.exitCode != 0) {
      throw Exception('Process failed with exit code ${result.exitCode}');
    }

    final lines = result.stdout.toString().trim().split('\n');
    if (lines.length < 2) {
      throw Exception('Unrecognized output format');
    }

    final columns = lines[1].trim().split(RegExp(r'\s+'));
    final usePercentString = Platform.isWindows
        ? ((int.parse(columns[0]) / int.parse(columns[1])) * 100)
              .toStringAsFixed(0)
        : columns[4].replaceAll('%', '');
    final usePercent = int.parse(usePercentString) / 100;

    final formattedUsed = '${(usePercent * 100).toStringAsFixed(0)}%';
    final formattedThreshold =
        '${(thresholdPercent * 100).toStringAsFixed(0)}%';
    if (usePercent < thresholdPercent) {
      return (status: HealthStatus.up, details: {'used': formattedUsed});
    } else {
      return (
        status: HealthStatus.down,
        details: {
          'error': 'Used disk storage exceeded the set threshold',
          'used': formattedUsed,
          'limit': formattedThreshold,
        },
      );
    }
  } catch (e) {
    return (
      status: HealthStatus.down,
      details: {'error': 'Failed to read disk space: $e'},
    );
  }
}