formatETA function

String formatETA(double seconds)

Implementation

String formatETA(double seconds) {
  if (seconds <= 0) return "";

  final sec = seconds.round();

  if (sec < 60) return "$sec sec";
  if (sec < 3600) return "${sec ~/ 60} min ${sec % 60}s";

  return "${sec ~/ 3600} hr ${(sec % 3600) ~/ 60}m";
}