AirportSeachViewStateRenderers.kt

//EmptyQuery state
class EmptyQueryViewStateRenderer @Inject constructor(): ViewStateRenderer<DestinationViewState> {
    override fun render(view: View, viewState: DestinationViewState) {
        view.text_message.visibility = View.VISIBLE
        view.progress.visibility = View.GONE
        view.recyclerView_destinations.visibility = View.GONE
        view.text_message.text = "Enter the city you want to flight"
    }
}

//Loading state
class LoadingViewStateRenderer @Inject constructor() : ViewStateRenderer<DestinationViewState> {
    override fun render(view: View, viewState: DestinationViewState) {
        view.progress.visibility = View.VISIBLE
        view.text_message.visibility = View.GONE
    }
}

//EmptyResult state
class EmptyViewStateRenderer @Inject constructor(): ViewStateRenderer<DestinationViewState> {
    override fun render(view: View, viewState: DestinationViewState) {
        view.text_message.visibility = View.VISIBLE
        view.progress.visibility = View.GONE
        view.recyclerView_destinations.visibility = View.GONE
        view.text_message.text = Oooops! Do you really want to travel to ${viewState.query}?
    }
}

//Loaded state
class RegularViewStateRenderer @Inject constructor(
    private val adapter: DestinationsAdapter
) : ViewStateRenderer<DestinationViewState> {
    override fun render(view: View, viewState: DestinationViewState) {
        view.progress.visibility = View.GONE
        view.text_message.visibility = View.GONE
        view.recyclerView_destinations.visibility = View.VISIBLE
        adapter.update(viewState.destinations)
    }
}