getModelFilePaths method

Implementation

@override
Future<Map<String, String>?> getModelFilePaths(ModelSpec spec) async {
  await _ensureInitialized();

  try {
    if (!await isModelInstalled(spec)) {
      return null;
    }

    final filePaths = <String, String>{};

    final registry = ServiceRegistry.instance;
    final fileSystem = registry.fileSystemService;

    for (final file in spec.files) {
      // Get path based on source type
      final String path;
      if (file.source is FileSource) {
        // External file - use path from source
        path = (file.source as FileSource).path;
      } else if (file.source is BundledSource) {
        // Bundled source - get platform-specific bundled path
        final bundledSource = file.source as BundledSource;
        path = await fileSystem.getBundledResourcePath(bundledSource.resourceName);
      } else {
        // Downloaded/Asset file - use standard app directory
        path = await ModelFileSystemManager.getModelFilePath(file.filename);
      }
      filePaths[file.prefsKey] = path;
    }

    return filePaths;
  } catch (e) {
    debugPrint('UnifiedModelManager: Failed to get file paths for ${spec.name}: $e');
    return null;
  }
}