enrich method

@override Future<PackageHealth> enrich(PackageHealth current, DepSherpaConfig config)

Returns current enriched with GitHub metadata.

Implementation

@override

/// Returns [current] enriched with GitHub metadata.
Future<PackageHealth> enrich(
    PackageHealth current, DepSherpaConfig config) async {
  final String? repositoryUrl = current.repositoryUrl;
  if (!config.network.enabled ||
      config.network.offline ||
      repositoryUrl == null ||
      !repositoryUrl.contains('github.com/')) {
    return current;
  }
  final _GithubRepoRef? ref = _GithubRepoRef.parse(repositoryUrl);
  if (ref == null) {
    return current;
  }

  final Duration ttl = Duration(hours: config.network.cacheTtlHours);
  final String repoKey = '${ref.owner}_${ref.repo}';
  String? repoPayload;
  String? contributorsPayload;
  if (config.network.useCache) {
    repoPayload =
        _cacheService.read(_cacheDir, 'github', '${repoKey}_repo', ttl: ttl);
    contributorsPayload = _cacheService.read(
      _cacheDir,
      'github',
      '${repoKey}_contributors',
      ttl: ttl,
    );
  }

  final Map<String, String> headers = <String, String>{
    'accept': 'application/vnd.github+json',
    if (Platform.environment[config.network.githubTokenEnv]?.isNotEmpty ==
        true)
      'authorization':
          'Bearer ${Platform.environment[config.network.githubTokenEnv]}',
  };

  try {
    repoPayload ??= await _fetchBody(
      Uri.https('api.github.com', '/repos/${ref.owner}/${ref.repo}'),
      config,
      headers,
    );
    contributorsPayload ??= await _fetchBody(
      Uri.https(
        'api.github.com',
        '/repos/${ref.owner}/${ref.repo}/contributors',
        <String, String>{'per_page': '100'},
      ),
      config,
      headers,
    );
  } catch (_) {
    return current;
  }

  if (config.network.useCache) {
    _cacheService.write(_cacheDir, 'github', '${repoKey}_repo', repoPayload);
    _cacheService.write(
      _cacheDir,
      'github',
      '${repoKey}_contributors',
      contributorsPayload,
    );
  }

  final Map<String, dynamic> repoMap =
      jsonDecode(repoPayload) as Map<String, dynamic>;
  final List<dynamic> contributors =
      jsonDecode(contributorsPayload) as List<dynamic>;
  return current.merge(
    PackageHealth(
      githubOrg: ref.owner,
      stars: (repoMap['stargazers_count'] as num?)?.toInt(),
      contributors: contributors.length,
      lastCommitAt: repoMap['pushed_at'] == null
          ? null
          : DateTime.parse(repoMap['pushed_at'] as String).toUtc(),
      openIssues: (repoMap['open_issues_count'] as num?)?.toInt(),
    ),
  );
}