gistfile1.scala

//dbConfig class:
class DBConfig @Inject()(protected val dbConfigProvider: DatabaseConfigProvider)

//trait with standart methods(add, gets listAll, etc) for any tables:
//trait ModelDef[T, MTD <: ModelTableImpl[T]] extends DBConfig {
trait ModelDef[T, MTD <: ModelTableImpl[T]] {
  val db = Database.forConfig("default")
//    val db = DatabaseConfigProvider.get[JdbcProfile]("default")(Play.routesCompilerMaybeApplication.get).db
//    val db = DatabaseConfigProvider.get[JdbcProfile](Play.current).db
  val table: TableQuery[MTD]
//    val db = dbConfigProvider.get[JdbcProfile].db

  def add(row: T): Future[Any] = {
    db.run(table.returning(table.map(_.id)) += row).recover {
      case ex: Exception => ex.getMessage
    }
  }
  ...
}

// object for working with table ApiKey:
object ApiKeys extends ModelDef[ApiKey, ApiKeyTableDef] {

  val table = TableQuery[ApiKeyTableDef]

  def isActive(key: String): Future[Option[(Long, Boolean)]] = {
    val tmp = table.filter(_.apikey === key).map(r => (r.id, r.active)).result.headOption
    println(tmp.statements)
    db.run(tmp)
  }

}