dontwork.kt

override fun start() {
        program.accept(LoadLabelsMsg)
        program.accept(LoadAccountsMsg)
    }

    override fun resume() {
    }

    override fun destroy() {
        programDisposable.dispose()
    }

    override fun update(msg: Msg, state: State): Pair<State, Cmd> {
        state as CreateTransactionState

        return when (msg) {
            is Init -> Pair(
                state.copy(loadingAccounts = true, loadingCategories = true, loadingLabels = true),
                BatchCmd(listOf(GetAccountsCmd, GetCategoriesCmd, GetLabelsCmd))
            )
            is LoadAccountsMsg ->
                Pair(state.copy(loadingAccounts = true), GetAccountsCmd)
            is AccountsLoadedMsg ->
                Pair(state.copy(loadingAccounts = false, accounts = msg.accounts), None)
            is LoadCategoriesMsg ->
                Pair(state.copy(loadingCategories = true), GetCategoriesCmd)
            is CategoriesLoadedMsg ->
                Pair(state.copy(loadingCategories = false, categories = msg.categories), None)
            is LoadLabelsMsg ->
                Pair(state.copy(loadingLabels = true), GetLabelsCmd)
            is LabelsLoadedMsg ->
                Pair(state.copy(loadingLabels = false, labels = msg.labels), None)
            else -> Pair(state, None)
        }
    }

    override fun call(cmd: Cmd): Single<Msg> {
        return when (cmd) {
            is GetAccountsCmd -> getAccounts.execute().map { AccountsLoadedMsg(it) }
            is GetCategoriesCmd -> getCategories.execute().map { CategoriesLoadedMsg(it) }
            is GetLabelsCmd -> getLabels.execute().map { LabelsLoadedMsg(it) }
            else -> Single.just(Idle)
        }
    }

    override fun render(state: State) {
        view.render(state as CreateTransactionState)
    }