ItemsControllerView.kt

class ItemsControllerView(
        val itemsViewCallback: WeakReference<ItemsViewCallback>,
        store: Store,
        mainThread: ThreadExecutor? = null)
    : ControllerView(store, mainThread) {

    fun fetchItems() =
            store.dispatch(FetchItemsAction())

    fun toEditItemScreen(item: Item) =
            store.dispatch(EditItemScreenAction(item))

    fun deleteItem(item: Item) =
            store.dispatch(DeleteItemAction(item.localId))

    override fun handleState(state: State) {
        when (state.navigation) {
            Navigation.ITEMS_LIST -> itemsViewCallback.get()?.updateItems(state.itemsListScreen.items)
            Navigation.EDIT_ITEM -> itemsViewCallback.get()?.goToEditItem()
        }
    }
}