listFoldersAsync method

Future<List<Map<String, dynamic>>> listFoldersAsync(String uuid, { bool detailed = false, required FilenApi api, required FilenCrypto crypto, required List<String> masterKeys, })

List subfolders of uuid, using cache when available.

Implementation

Future<List<Map<String, dynamic>>> listFoldersAsync(
  String uuid, {
  bool detailed = false,
  required FilenApi api,
  required FilenCrypto crypto,
  required List<String> masterKeys,
}) async {
  final cached = folderCache[uuid];
  if (cached != null && _isValid(cached)) {
    api.log('Using cached folder list for $uuid');
    return List<Map<String, dynamic>>.from(cached.items);
  }

  final response = await api.post('/v3/dir/content', {'uuid': uuid});
  final d = response['data']['folders'] ?? [];

  List<Map<String, dynamic>> res = [];

  for (var f in d) {
    try {
      var dec = await crypto.tryDecrypt(f['name'], masterKeys);
      var name = dec.startsWith('{') ? json.decode(dec)['name'] : dec;
      res.add({
        'type': 'folder',
        'name': name,
        'uuid': f['uuid'],
        'size': 0,
        'parent': f['parent'],
        'timestamp': f['timestamp'],
        'lastModified': f['lastModified'],
      });
    } catch (_) {
      res.add({
        'type': 'folder',
        'name': '[Encrypted]',
        'uuid': f['uuid'],
        'size': 0,
      });
    }
  }

  folderCache[uuid] = CacheEntry(items: res, timestamp: _now());

  if (!detailed) {
    return res
        .map((item) => {
              'type': item['type'],
              'name': item['name'],
              'uuid': item['uuid'],
              'size': item['size'],
            })
        .toList();
  }
  return res;
}