public (PhotoList, List <ImportError>) FindPhotos( string sourcePath, IOutputPort outputPort, bool readImageMetaData) { _outputPort = outputPort; _list = new PhotoList(); _errorList = new List <ImportError>(); FindPhotosInDirectory(sourcePath); _outputPort?.TrackHandleTelemetry(_list, _errorList, // ReSharper disable once UseStringInterpolation string.Format("ImportPhotos: Found photos (Source: {0}, ExistingPhotos: {1}, Errors {2})", sourcePath, _list.Count, _errorList.Count)); if (readImageMetaData) { ReadImageMetaData(); } return(_list, _errorList); }