showusecaserx.kt

class SearchShows @Inject
constructor(private val showRepository: ShowRepository, private val resourceRepository: ResourceRepository) : UseCase() {
    private var query: String? = null

    fun setQuery(query: String) {
        this.query = query
    }

    override fun buildUseCaseObservable(): Single<String> {
        return showRepository.searchShow(query).map { showInfos ->
            if (!showInfos.isEmpty() && showInfos[0].show != null) {
                showInfos[0].show.title
            } else {
                resourceRepository.notFoundShow
            }
        }
    }
}