execute method

Future<Map<String, dynamic>> execute(Map<String, dynamic> args)

Execute fetch_changelog Input: packageName, fromVersion?, toVersion?, maxEntries? Output: structured changelog entries

Implementation

Future<Map<String, dynamic>> execute(Map<String, dynamic> args) async {
  final packageName = args['packageName'] as String;
  final fromVersion = args['fromVersion'] as String?;
  final toVersion = args['toVersion'] as String?;
  final maxEntries = args['maxEntries'] as int? ?? 50;

  Logger.info('Fetching changelog for $packageName');

  // Try to get changelog from GitHub first (better formatting)
  String? changelogContent;
  final repoUrl = await _pubApi.getRepositoryUrl(packageName);
  if (repoUrl != null) {
    final parsed = GitHubClient.parseGitHubUrl(repoUrl);
    if (parsed != null) {
      changelogContent = await _github.fetchChangelog(parsed.$1, parsed.$2);
    }
  }

  if (changelogContent == null || changelogContent.isEmpty) {
    return {
      'packageName': packageName,
      'error': 'Could not fetch changelog',
      'entries': [],
    };
  }

  var entries = _changelogParser.parse(changelogContent);

  // Filter by version range if specified
  if (fromVersion != null || toVersion != null) {
    entries = _changelogParser.getEntriesBetween(
      entries,
      fromVersion ?? '0.0.0',
      toVersion ?? '999.999.999',
    );
  }

  // Limit entries
  if (entries.length > maxEntries) {
    entries = entries.take(maxEntries).toList();
  }

  return {
    'packageName': packageName,
    'fromVersion': fromVersion,
    'toVersion': toVersion,
    'entryCount': entries.length,
    'hasBreakingChanges': entries.any((e) => e.hasBreakingChanges),
    'entries': entries.map((e) => e.toJson()).toList(),
  };
}