timeLeft function

String timeLeft(
  1. int seconds
)

Implementation

String timeLeft(int seconds) {
  int diff = seconds;

  int hours = diff ~/ (60 * 60);
  diff -= hours * (60 * 60);
  int minutes = diff ~/ (60);
  diff -= minutes * (60);

  String result =
      "${twoDigitNumber(hours)}:${twoDigitNumber(minutes)}:${twoDigitNumber(diff)}";

  return result;
}