clearCache static method

Future<int> clearCache({ String? cacheSubdirectory, Duration? olderThan, })

Deletes cache files and returns deleted count.

Implementation

static Future<int> clearCache({String? cacheSubdirectory, Duration? olderThan}) async {
  try {
    final cacheDirectory = await _getCacheDirectory(cacheSubdirectory, createIfMissing: false);
    if (cacheDirectory == null) {
      return 0;
    }

    int deletedCount = 0;
    final now = DateTime.now();

    await for (final entity in cacheDirectory.list()) {
      if (entity is! File) {
        continue;
      }

      var shouldDelete = true;
      if (olderThan != null) {
        final stat = await entity.stat();
        shouldDelete = now.difference(stat.modified) > olderThan;
      }

      if (!shouldDelete) {
        continue;
      }

      try {
        await entity.delete();
        deletedCount++;
      } catch (e) {
        debugLog('Error deleting cached file ${entity.path}: $e');
      }
    }

    return deletedCount;
  } catch (e) {
    debugLog('Error clearing cache: $e');
    return 0;
  }
}