Sample MVI ViewModel with LiveData

mvi_viewmodel_sample.kt

enum class LoadState {
    IDLE,
    LOADING,
    LOADED,
    ERROR
}

data class CitiesState(
    val loadState: LoadState,
    val cities: List<CityResultModel>,
    val errorMessage: CharSequence,
) {
    companion object {
        val initial = CitiesState(
            loadState = LoadState.IDLE,
             cities = emptyList(),
             errorMessage = "",
        )
    }
}

@HiltViewModel
class CityViewModel @Inject constructor(
    private val getCitiesInteractor: GetCitiesInteractor,
    private val navigator: Navigator,
) {

    private val _state = MutableLiveData<CitiesState>(CitiesState.initial)
    val state: LiveData<CitiesState>
        get() = _state

    // implementation follows
}