The state of MVI on Android - Uniflow - PostListViewModel

Uniflow-PostListViewModel.kt

class PostListViewModel(
    savedStateHandle: SavedStateHandle,
    private val postRepository: PostRepository
) : AndroidDataFlow(defaultState = PostListState(), savedStateHandle) {

    init {
        actionOn<PostListState> {
            if (it.overviews.isEmpty()) {
                loadOverviews()
            }
        }
    }

    private fun loadOverviews() = actionOn<PostListState> { state ->
        val overviews = postRepository.getOverviews()

        setState {
            state.copy(overviews = overviews)
        }
    }

    fun onPostClicked(post: PostOverview) = action {
        sendEvent(OpenPostNavigationEvent(post))
    }
}