Model delegate implementation

ModelProperty.kt

class ModelProperty<ViewState, Action, Mutation, Event>(
    private val viewModel: ViewModel,
    private val actionProcessors: Collection<ActionProcessor<Action, Mutation, Event>>,
    private val reducers: Collection<Reducer<Mutation, ViewState>>,
    private val viewMutableStateFlow: MutableStateFlow<ViewState>,
    private val eventChannel: Channel<Event>,
) : ReadOnlyProperty<Any, Model<ViewState, Action, Mutation, Event>> {
    override fun getValue(thisRef: Any, property: KProperty<*>) =
        Model(
            actionProcessors = actionProcessors,
            reducers = reducers,
            coroutineScope = viewModel.viewModelScope,
            viewMutableStateFlow = viewMutableStateFlow,
            eventChannel = eventChannel,
        )
}

inline fun <reified ViewState, reified Action, reified Mutation, reified Event> ViewModel.model(
    private val actionProcessor: Collection<ActionProcessor<Action, Mutation, Event>>,
    private val reducers: Collection<Reducer<Mutation, ViewState>>,
    private val initialState: ViewState,
) =
    ModelProperty(
        viewModel = this,
        actionProcessors = actionProcessors,
        reducers = reducers,
        viewMutableStateFlow = MutableStateFlow(initialState),
        eventChannel = Channel(Channel.BUFFERED),
    )