MVP to MVVM: MainPresenter

MainPresenter.kt

class MainPresenter(val service: GithubService) {

    var view: MainView? = null

    fun search(searchString: String) {
        view?.showProgress()
        service.getRequest(searchString, 0)
            .subscribeOn(..)
            .observeOn(..)
            .doOnSuccess { onSearchResultReceived(it) }
            .doOnError{
                view?.showError()
                view?.hideProgress()
            }
            .subscribe()
    }

    private fun onSearchResultReceived(apiResponse: ApiResponse?) {
        view?.hideError()
        view?.hideProgress()
        view?.setItems(apiResponse?.items)
    }

    fun onResultFavoriteClickReceive(message: ResultFavoriteMessage?) {
        message?.let { view?.openRepositoryDetails(it.repo, it.owner) }
    }

}