formatDuration function
Seconds, as "42 min" or "3 soat 5 daq". Under a minute reads as a minute — "0 min" is a lie about arriving.
Implementation
String formatDuration(double s) {
final mins = (s / 60).round();
if (mins < 1) return '1 ${S.t('unit.min')}';
if (mins < 60) return '$mins ${S.t('unit.min')}';
final h = mins ~/ 60;
final rem = mins % 60;
return rem == 0 ? '$h ${S.t('unit.h')}' : '$h ${S.t('unit.h')} $rem ${S.t('unit.min')}';
}