Post model for Play 2.0

Post.scala

package models

import play.api.Play.current
import java.util.Date
import com.novus.salat._
import com.novus.salat.annotations._
import com.novus.salat.dao._
import com.mongodb.casbah.Imports._
import se.radley.plugin.salat._
import mongoContext._

case class Post(
  id: ObjectId = new ObjectId,
  name: String,
  description: String,
  @Key("group_id")group: Option[ObjectId] = None,
  created: Date = new Date(),
  updated: Option[Date] = None
) {
  override def toString = "%s - %s".format(id, name)
  override def toSlug = {
    val Slugger = """[\./]\?:[^/?#\.]+\?""".r
    name match {
      case Slugger(c) => "slug: " + c
      case _ => "slug none"
    }
  }
}

object Post extends ModelCompanion[Post, ObjectId] {
  val dao = new SalatDAO[Post, ObjectId](collection = mongoCollection("posts")) {}
  def findOneByName(name: String): Option[Post] = dao.findOne(MongoDBObject("name" -> name))
  def findByGroup(group: String) = dao.find(MongoDBObject.empty) //.toList
  def findGroup(id: Option[ObjectId]): Option[Group] = Group.findOneById(id.get)
}