From 655baf713ff090043abf9e2643162ac5345a2878 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D1=80=D1=82=D1=91=D0=BC?= <fed-cat@bk.ru>
Date: Fri, 5 Dec 2025 21:32:25 +0300
Subject: [PATCH] I made the logic for moving between screens and added stubs

---
 .../work/ui/screen/book/BookScreen.kt         |  7 +++----
 .../work/ui/screen/book/BookViewModel.kt      | 20 ++++++++++---------
 2 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt
index 47dd7ad..5772cd6 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt
@@ -49,10 +49,9 @@ fun BookScreen(
 
     LaunchedEffect(Unit) {
         Log.d("BookScreen", "1")
-        viewModel.navigationFlow.collect {
-            // TODO настроить наконец это переход между экранами
-//            Log.d("BookScreen", "2")
-            when (it) {
+        viewModel.navigationFlow.collect { event ->
+            Log.d("navigation", "Event received: $event")
+            when (event) {
                 BookNavigationEvent.NavigateToMain -> {
                     Log.d("BookScreen", "3")
                     navController.navigate(MainScreenDestination)
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt
index ce5a423..841bb54 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt
@@ -8,6 +8,7 @@ import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
@@ -18,21 +19,18 @@ import ru.myitschool.work.ui.screen.Booking
 class BookViewModel : ViewModel() {
     private val _uiState = MutableStateFlow<BookState>(BookState.Loading)
     val uiState: StateFlow<BookState> = _uiState.asStateFlow();
-
-    private val _actionFlow: MutableSharedFlow<Unit> = MutableSharedFlow()
-    val actionFlow: SharedFlow<Unit> = _actionFlow
     private val _navigationFlow = MutableSharedFlow<BookNavigationEvent>()
-    val navigationFlow: SharedFlow<BookNavigationEvent> = _navigationFlow
+    val navigationFlow: SharedFlow<BookNavigationEvent> = _navigationFlow.asSharedFlow()
 
     init {
         loadData()
     }
 
     private fun loadData() {
-        _uiState.update { BookState.Loading }
         viewModelScope.launch(Dispatchers.IO) {
+            _uiState.update { BookState.Loading }
             val code = AuthRepository.getSavedCode() ?: run {
-                onIntent(BookIntent.ToAuthScreen)
+                _navigationFlow.emit(BookNavigationEvent.NavigateToAuth)
                 Log.d("", "Go to AuthScreen")
                 return@launch
             }
@@ -90,7 +88,7 @@ class BookViewModel : ViewModel() {
                     _uiState.update { BookState.Loading }
                     BookRepository.sendData(intent.code, intent.booking).fold(
                         onSuccess = {
-                            _actionFlow.emit(Unit)
+                            _navigationFlow.tryEmit(BookNavigationEvent.NavigateToMain)
                         },
                         onFailure = { error ->
                             BookState.Error(error.message ?: "Неизвестная ошибка")
@@ -99,11 +97,15 @@ class BookViewModel : ViewModel() {
                 }
             }
             BookIntent.BackToMainScreen -> {
-                _navigationFlow.tryEmit(BookNavigationEvent.NavigateToMain)
+                viewModelScope.launch {
+                    _navigationFlow.emit(BookNavigationEvent.NavigateToMain)
+                }
             }
             BookIntent.LoadData -> loadData()
             BookIntent.ToAuthScreen -> {
-                _navigationFlow.tryEmit(BookNavigationEvent.NavigateToAuth)
+                viewModelScope.launch {
+                    _navigationFlow.emit(BookNavigationEvent.NavigateToAuth)
+                }
             }
         }
     }
-- 
2.34.1