motorro

package com.myexample

import io.mockk.every
import io.mockk.mockk
import io.mockk.verify
import org.junit.Test
import kotlin.test.assertEquals

interface CallContext

motorro

@AndroidEntryPoint
class MainActivity : BaseActivity() {

    // The model to run authentication and content visibility
    private val model: MainScreenModel by viewModels

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        MainContent(model) {

motorro

/**
 * Common interface to start feature-flow
 */
interface FlowStarter<G: Any, U: Any> {
    /**
     * Creates a starting state
     * @param email Email to proceed with
     */
    fun start(email: String): CommonMachineState<G, U>
}

motorro

class EmailCheckState(
    context: WelcomeContext,
    private val data: WelcomeDataState,
    private val checkEmail: CheckEmail
) : WelcomeState(context) {

    private val email = requireNotNull(data.email) {
        "Email is not provided"
    }

motorro

/**
 * Proxy definition (for readability)
 */
private typealias LoginProxy = ProxyMachineState<
        WelcomeGesture, // Host gesture system
        WelcomeUiState, // Host ui-state system
        LoginGesture,   // Feature gesture system
        LoginUiState    // Feature ui-state system
>

motorro

abstract class ProxyMachineState<PG: Any, PU: Any, CG: Any, CU: Any> : CommonMachineState<PG, PU>() {
    /**
     * Proxy state machine
     */
    private val machine = object : CommonStateMachine.Base<CG, CU>(::init) {

        fun doStart() {
            start()
        }

motorro

/**
 * Common state machine
 * @param G UI gesture
 * @param U UI state
 */
interface CommonStateMachine<G: Any, U: Any> : MachineInput<G>, MachineOutput<G, U>

/**
 * Common state-machine state
 * @param G UI gesture

motorro

fun WelcomeScreen(onTerminate: @Composable () -> Unit) {
    val model = hiltViewModel<WelcomeViewModel>()
    val state = model.state.collectAsState(WelcomeUiState.Loading)

    BackHandler(onBack = { model.process(Back) })

    when (val uiState = state.value) {
        
        // Native ui-state rendering...

motorro

@Composable
fun LoginScreen(state: LoginUiState, onGesture: (LoginGesture) -> Unit) {
    // Login screen rendering...
}

@Composable
fun RegistrationScreen(state: RegisterUiState, onGesture: (RegisterGesture) -> Unit) {
  // Registration screen rendering...
}

motorro

sealed class WelcomeUiState {
    /**
     * Login state wrapper
     * @property value Login UI state
     */
    data class Login(val value: LoginUiState) : WelcomeUiState()

    /**
     * Register state wrapper
     * @property value Register UI state