Get week intervals for a specified period

Weeks.scala

import org.joda.time.{Interval, Period, DateTime}

object Main {
  def getWeeks(startDate: DateTime, endDate: DateTime) = {
    val weekPeriod = new Period().withWeeks(1)
    def loop(current: Interval, weeks: Seq[Interval]): Seq[Interval] = {
      if(current.getEnd.isBefore(endDate)) {
        loop(new Interval(current.getStart.plus(weekPeriod), weekPeriod), weeks :+ current)
      } else {
        weeks
      }
    }
    loop(new Interval(startDate, weekPeriod), Seq.empty)
  }

  
}