gistfile1.scala

object PublisherContext {
  def apply(device: Device, network: Network): PublisherContext =
    apply(network)

  def apply(ntwrk: Network): PublisherContext = apply(ntwrk, None, None)

  def apply(ntwrk: Network, index: Option[Int],
    ven: Option[Venue]): PublisherContext = {

    val gvtData = ven.flatMap(_.gvtData).getOrElse(ntwrk.gvtData)

    new PublisherContext {
      val network = ntwrk
      
      val cpmFloorCents = ven.flatMap(v =>
          if (v.cpmCents == Some(0)) None else v.cpmCents)
        .getOrElse(ntwrk.cpmCents)
        
      val impressionsPerSecond = gvtData.gvt.toDouble / gvtData.gvtSeconds
      val dwellTimeSeconds = gvtData.dwellTime
      val signageProviderId = ntwrk.signageProviderId
      val geoindex = index
      val venue = ven
    }
  }

}