format method

String format({ int maxParts = 2, int secondsToShowNow = 0, DurationFormatter formatter = const DefaultDurationFormatter(), })

Format duration to readable string

Implementation

String format({
  int maxParts = 2,
  int secondsToShowNow = 0,
  DurationFormatter formatter = const DefaultDurationFormatter(),
}) {
  var delta = inSeconds;
  if (delta <= (secondsToShowNow)) return formatter.getNow();
  var years = (delta / (2592000 * 12)).floor();
  delta -= years * (2592000 * 12);
  var months = (delta / 2592000).floor();
  delta -= months * 2592000;
  var weeks = (delta / 86400).floor() ~/ 7;
  delta -= weeks * 7 * 86400;
  var days = (delta / 86400).floor();
  delta -= days * 86400;
  var hours = (delta / 3600).floor() % 24;
  delta -= hours * 3600;
  var minutes = (delta / 60).floor() % 60;
  delta -= minutes * 60;
  var seconds = delta % 60;
  String? text;
  var parts = 0;
  if (years > 0) {
    text = formatter.getYears(years);
    parts++;
    if (parts >= maxParts) return text;
  }
  if (months > 0) {
    if (text == null) {
      text = formatter.getMonths(months);
    } else {
      text += formatter.getSeparator() + formatter.getMonths(months);
    }
    parts++;
    if (parts >= maxParts) return text;
  }
  if (weeks > 0) {
    if (text == null) {
      text = formatter.getWeeks(weeks);
    } else {
      text += formatter.getSeparator() + formatter.getWeeks(days);
    }
    parts++;
    if (parts >= maxParts) return text;
  }
  if (days > 0) {
    if (text == null) {
      text = formatter.getDays(days);
    } else {
      text += formatter.getSeparator() + formatter.getDays(days);
    }
    parts++;
    if (parts >= maxParts) return text;
  }
  if (hours > 0) {
    if (text == null) {
      text = formatter.getHours(hours);
    } else {
      text += formatter.getSeparator() + formatter.getHours(hours);
    }
    parts++;
    if (parts >= maxParts) return text;
  }
  if (minutes > 0) {
    if (text == null) {
      text = formatter.getMinutes(minutes);
    } else {
      text += formatter.getSeparator() + formatter.getMinutes(minutes);
    }
    parts++;
    if (parts >= maxParts) return text;
  }
  if (seconds > 0) {
    if (text == null) {
      text = formatter.getSeconds(seconds);
    } else {
      text += formatter.getSeparator() + formatter.getSeconds(seconds);
    }
    parts++;
    if (parts >= maxParts) return text;
  }
  return text ?? '';
}