Time in milliseconds to human readable

durationFromMillisToHumanReadable.scala

def durationFromMillisToHumanReadable(duration: Long):String = {
    val milliseconds  =  duration % 1000L
    val seconds       = (duration / 1000L) % 60L
    val minutes       = (duration / (1000L*60L)) % 60L
    val hours         = (duration / (1000L*3600L)) % 24L
    val days          = (duration / (1000L*86400L)) % 7L
    val weeks         = (duration / (1000L*604800L)) % 4L
    val months        = (duration / (1000L*2592000L)) % 52L
    val years         = (duration / (1000L*31556952L)) % 10L
    val decades       = (duration / (1000L*31556952L*10L)) % 10L
    val centuries     = (duration / (1000L*31556952L*100L)) % 100L
    val millenniums   = (duration / (1000L*31556952L*1000L)) % 1000L
    val megaannums    =  duration / (1000L*31556952L*1000000L)

    val sb = new scala.collection.mutable.StringBuilder()

    if (megaannums > 0) sb.append(megaannums + " megaannums ")
    if (millenniums > 0) sb.append(millenniums + " millenniums ")
    if (centuries > 0) sb.append(centuries + " centuries ")
    if (decades > 0) sb.append(decades + " decades ")
    if (years > 0) sb.append(years + " years ")
    if (months > 0) sb.append(months + " months ")
    if (weeks > 0) sb.append(weeks + " weeks ")
    if (days > 0) sb.append(days + "days ")
    if (hours > 0) sb.append(hours + "hours ")
    if (minutes > 0) sb.append(minutes + "minutes ")
    if (seconds > 0) sb.append(seconds + "seconds ")
    if (minutes < 1 && hours < 1 && days < 1) {
      if (sb.nonEmpty) sb.append(" ")
      sb.append(milliseconds + "milliseconds")
    }
    sb.toString().trim
  }