in membership-common/src/main/scala/com/gu/memsub/ProductFamily.scala [122:131]
def fromId(id: String): Option[PaperDay] = id match {
case MondayPaper.id => MondayPaper.some
case TuesdayPaper.id => TuesdayPaper.some
case WednesdayPaper.id => WednesdayPaper.some
case ThursdayPaper.id => ThursdayPaper.some
case FridayPaper.id => FridayPaper.some
case SaturdayPaper.id => SaturdayPaper.some
case SundayPaper.id => SundayPaper.some
case _ => None
}