SearchRepository.scala

object AddressRepository extends DBConnection {
  
  val table = TableQuery[AddressModel]
  
  def search(filter: Address): Future[Seq[Address]] = {
    @tailrec
    def recursive(queryMap: Map[String, String], queryAccum: Query[AddressModel, Address, Seq]): Query[AddressModel, Address, Seq] = {
      if (queryMap.isEmpty) queryAccum else {
        val key = queryMap.head._1
        val value = queryMap.head._2
        
        val resultQuery = key match {
          case "state" => queryAccum.filter(_.state === value)
          case "city" => queryAccum.filter(_.city === value)
          case "neighborhood" => queryAccum.filter(_.neighborhood === value)
          case "street" => queryAccum.filter(_.street === value)
          case "streetNumber" => queryAccum.filter(_.streetNumber === value)
        }

        recursive(queryMap.tail, resultQuery)
      }
    }

    val query = recursive(filter.toMap(), table)
    db.run(query.result)
  }
}