Category Tree

category.scala

case class Category(name: String, treeName: String, slug: String, numEntries: Int = 0, categories: List[Category] = List()) {
	def apply(x: Category): Category = {
		this // merge x into this.categories to get a Tree-structure
	}
}

case class CategoryTree(groups: Groups) {
	val list: List[Category] = {
		var res: Map[String, Category] = Map()
		groups.groups.map(g => {
			val splitC = g.groupValue.split(" / ")
			val newSubCat = Category(splitC.last, g.groupValue, Item.slugify(g.groupValue), g.numFound)

			val newCat = res.get(splitC.head) match {
				case Some(x: Category) => x(newSubCat)
				case  _ => Category(splitC.head, splitC.head, Item.slugify(splitC.head), g.numFound)(newSubCat)
			}
			res = res ++ Map(splitC.head -> newCat)
		})
		res.map(_._2).toList
	}
}