mongodb_parsing.scala

/*
Goal:

{
    "portions": [{ 
        "price":  "$1" 
    }]
}

==> MenuItem(List(MenuItemPortion("$1")))

*/


case class MenuItemPortion(price: String)
case class MenuItem(portions: List[MenuItemPortion])
val o = MongoDBObject("portions" -> MongoDBList(MongoDBObject("price" -> "$1")))
o.getAs[MongoDBList]("portions").map(
  portions => portions collect { 
    case portion:DBObject => portion.getAs[String]("price").map(
      price => MenuItemPortion(price)) })
//res84: Option[scala.collection.mutable.Seq[Option[MenuItemPortion]]] = Some(ArrayBuffer(Some(MenuItemPortion($1))))