fetchUpdate static method

Future<bool> fetchUpdate({ void onProgress(double progress)?, })

Downloads patch assets in the background, reporting fine-grained progress.

Implementation

static Future<bool> fetchUpdate({
  void Function(double progress)? onProgress,
}) async {
  final manifest = _pendingStagedManifest;
  if (manifest == null) {
    logger.warn('BloomUpdates: fetchUpdate called but no update is available.');
    return false;
  }

  _isDownloading.value = true;
  _downloadProgress.value = 0.0;
  _error.value = null;

  try {
    final success = await _adapter.downloadPatchAssets(
      manifest: manifest,
      onProgress: (p) {
        _downloadProgress.value = p;
        onProgress?.call(p);
      },
    );

    if (success) {
      _isDownloading.value = false;
      _isReady.value = true;
      _downloadProgress.value = 1.0;
      logger.info('BloomUpdates: Patch "${manifest.id}" successfully staged and ready for reload.');
      return true;
    } else {
      throw StateError('Patch download verification failed.');
    }
  } catch (e, st) {
    logger.error('BloomUpdates: Download failed: $e', e, st);
    _error.value = e;
    _isDownloading.value = false;
    _isReady.value = false;
    return false;
  }
}