Format time in milliseconds to the string of the type "6 дней 23:59:59"

util.kt

/**
 * Format time in milliseconds to the string of the type "6 дней 23:59:59".
 *
 * @param millis number of milliseconds.
 * @return       formatted string.
 */
fun convertMillisecondsToDHMS(millis: Long): String {

    val s = TimeUnit.MILLISECONDS.toSeconds(millis) % TimeUnit.MINUTES.toSeconds(1)
    val m = TimeUnit.MILLISECONDS.toMinutes(millis) % TimeUnit.HOURS.toMinutes(1)
    val h = TimeUnit.MILLISECONDS.toHours(millis) % TimeUnit.DAYS.toHours(1)
    val d = TimeUnit.MILLISECONDS.toDays(millis).toInt()
    val hms = String.format("%02d:%02d:%02d", h, m, s)
    val days by lazy { resourceUtils.getResources().getQuantityString(R.plurals.days_plural, d, d) }
    return if (d > 0) "$days $hms" else hms
}