app/src/main/java/ru/myitschool/work/core/Constants.kt

@@ -1,7 +1,7 @@
 package ru.myitschool.work.core
 
 object Constants {
-    const val HOST = "http://127.0.0.1:8080"
+    const val HOST = "http://192.168.1.74:8080"
     const val AUTH_URL = "/auth"
     const val INFO_URL = "/info"
     const val BOOKING_URL = "/booking"

app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt

@@ -1,6 +1,7 @@
 package ru.myitschool.work.data.repo
 
 import android.content.Context
+import android.util.Log
 import ru.myitschool.work.App
 import ru.myitschool.work.data.source.NetworkDataSource
 
@@ -10,17 +11,32 @@ object AuthRepository {
     private const val PREF_NAME = "auth_prefs"
     private const val KEY_SAVED_CODE = "saved_code"
     private val context: Context get() = App.context
+
     private fun loadSavedCode(): String? {
-//        return context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+        return context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
-//            .getString(KEY_SAVED_CODE, null)
+            .getString(KEY_SAVED_CODE, null)
-        return ""
     }
+
     fun getSavedCode(): String? = loadSavedCode()
-    suspend fun checkAndSave(text: String): Result<Boolean> {
+
-        return NetworkDataSource.checkAuth(text).onSuccess { success ->
+    suspend fun checkAndSave(text: String): Result<Unit> {
+        return NetworkDataSource.checkAuth(text).fold(
+            onSuccess = { success ->
                 if (success) {
                     codeCache = text
+                    context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+                        .edit()
+                        .putString(KEY_SAVED_CODE, text)
+                        .apply()
+                    Result.success(Unit)
+                } else {
+                    Result.failure(IllegalStateException("Неверный код для авторизации"))
                 }
+            },
+            onFailure = { error ->
+                Log.e("AuthRepository", "Auth failed", error)
+                Result.failure(error)
             }
+        )
     }
 }

app/src/main/java/ru/myitschool/work/data/repo/BookRepository.kt

@@ -1,15 +1,14 @@
 package ru.myitschool.work.data.repo
 
 import ru.myitschool.work.data.source.NetworkDataSource
-import ru.myitschool.work.ui.screen.Booking
+import ru.myitschool.work.ui.screen.BookingItem
-import ru.myitschool.work.ui.screen.UserInfo
 
 object BookRepository {
-    suspend fun loadBooks(code: String): Result<List<Booking>> {
+    suspend fun loadBooks(code: String): Result<Map<String, List<BookingItem>>> {
         return NetworkDataSource.getFreeBooking(code)
     }
 
-    suspend fun sendData(code: String, booking: Booking) : Result<Boolean> {
+    suspend fun sendData(code: String, data: String,  placeId: Int) : Result<Boolean> {
-        return NetworkDataSource.createNewBooking(code, booking)
+        return NetworkDataSource.createNewBooking(code, data, placeId)
     }
 }

app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt

@@ -0,0 +1,16 @@
+package ru.myitschool.work.data.repo
+
+import androidx.core.content.edit
+import ru.myitschool.work.data.source.NetworkDataSource
+import ru.myitschool.work.ui.screen.UserInfo
+
+object MainRepository {
+    suspend fun loadUserInfo(code: String): Result<UserInfo> {
+        return NetworkDataSource.getInfo(code)
+    }
+    fun clearAuth() {
+        val prefs = ru.myitschool.work.App.context
+            .getSharedPreferences("auth_prefs", android.content.Context.MODE_PRIVATE)
+        prefs.edit { clear() }
+    }
+}

app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt

@@ -1,11 +1,13 @@
 package ru.myitschool.work.data.source
 
+import android.util.Log
 import io.ktor.client.HttpClient
 import io.ktor.client.call.body
 import io.ktor.client.engine.cio.CIO
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
 import io.ktor.client.request.get
 import io.ktor.client.request.post
+import io.ktor.client.request.setBody
 import io.ktor.client.statement.bodyAsText
 import io.ktor.http.ContentType
 import io.ktor.http.HttpStatusCode
@@ -16,7 +18,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import ru.myitschool.work.core.Constants
-import ru.myitschool.work.ui.screen.Booking
+import ru.myitschool.work.ui.screen.BookingItem
+import ru.myitschool.work.ui.screen.CreateBookingRequest
 import ru.myitschool.work.ui.screen.UserInfo
 
 object NetworkDataSource {
@@ -35,43 +38,56 @@ object NetworkDataSource {
         }
     }
 
+
     suspend fun checkAuth(code: String): Result<Boolean> = withContext(Dispatchers.IO) {
         return@withContext runCatching {
             val response = client.get(getUrl(code, Constants.AUTH_URL))
+            Log.d("NetworkDataSource", "Auth response: ${response.status}")
             when (response.status) {
                 HttpStatusCode.OK -> true
                 else -> error("Неверный код для авторизации")
             }
+        }.onFailure { error ->
+            Log.e("NetworkDataSource", "Auth request failed", error)
         }
     }
-
     suspend fun getInfo(code: String): Result<UserInfo> = withContext(Dispatchers.IO){
         return@withContext runCatching {
             val response = client.get(getUrl(code, Constants.INFO_URL))
             when(response.status){
-                HttpStatusCode.OK -> response.body()
+                HttpStatusCode.OK -> {
+                    response.body<UserInfo>()
+                }
                 else -> error("Ошибка получения данных")
             }
         }
     }
 
-    suspend fun getFreeBooking(code: String) : Result<List<Booking>> = withContext(Dispatchers.IO) {
+
-        return@withContext runCatching {
+    suspend fun getFreeBooking(code: String): Result<Map<String, List<BookingItem>>> =
+        withContext(Dispatchers.IO) {
+            runCatching {
                 val response = client.get(getUrl(code, Constants.BOOKING_URL))
                 when (response.status) {
-                HttpStatusCode.OK -> response.body()
+                    HttpStatusCode.OK -> {
+                        // Используйте response.body с явным указанием типа
+                        response.body<Map<String, List<BookingItem>>>()
+                    }
                     else -> error(response.bodyAsText())
                 }
             }
         }
 
+
     @OptIn(InternalAPI::class)
-    suspend fun createNewBooking(code: String, booking: Booking) : Result<Boolean> = withContext(Dispatchers.IO) {
+    suspend fun createNewBooking(code: String, data: String, placeId: Int): Result<Boolean> =
+        withContext(Dispatchers.IO) {
             return@withContext runCatching {
                 val response = client.post(getUrl(code, Constants.BOOK_URL)) {
                     contentType(ContentType.Application.Json)
-                body = booking
+                    setBody(CreateBookingRequest(data, placeId)) // используйте setBody вместо body
                 }
+
                 when (response.status) {
                     HttpStatusCode.OK -> true
                     else -> error(response.bodyAsText())

app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt

@@ -5,11 +5,7 @@ import ru.myitschool.work.data.repo.AuthRepository
 class CheckAndSaveAuthCodeUseCase(
     private val repository: AuthRepository
 ) {
-    suspend operator fun invoke(
+    suspend operator fun invoke(text: String): Result<Unit> {
-        text: String
+        return repository.checkAndSave(text)
-    ): Result<Unit> {
-        return repository.checkAndSave(text).mapCatching { success ->
-            if (!success) error("Code is incorrect")
-        }
     }
 }

app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt

@@ -5,12 +5,34 @@ import kotlinx.serialization.Serializable
 @Serializable
 data class UserInfo(
     val name: String,
-    val photo: String? = null,
+    val photoUrl: String? = null,
-    val bookings: List<Booking>
+    val booking: Map<String, List<BookingItem>>
-)
+) {
+    fun bookingToList() : List<Booking> {
+        val bookings = mutableListOf<Booking>()
+        booking.forEach {
+            it.value.forEach { value ->
+                bookings.add(Booking(it.key, value.place))
+            }
+        }
+        return bookings
+    }
+}
 
 @Serializable
 data class Booking(
     val date: String,
     val place: String
 )
+
+@Serializable
+data class BookingItem(
+    val id: Int,
+    val place: String
+)
+
+@Serializable
+data class CreateBookingRequest(
+    val date: String,
+    val placeId: Int
+)

app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt

@@ -1,11 +1,9 @@
 package ru.myitschool.work.ui.screen
 
+import android.util.Log
 import androidx.compose.animation.EnterTransition
 import androidx.compose.animation.ExitTransition
-import androidx.compose.foundation.layout.Box
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
@@ -17,7 +15,7 @@ import ru.myitschool.work.ui.nav.BookScreenDestination
 import ru.myitschool.work.ui.nav.MainScreenDestination
 import ru.myitschool.work.ui.screen.auth.AuthScreen
 import ru.myitschool.work.ui.screen.book.BookScreen
-import ru.myitschool.work.ui.screen.book.BookViewModel
+import ru.myitschool.work.ui.screen.main.MainScreen
 
 @Composable
 fun AppNavHost(
@@ -32,18 +30,17 @@ fun AppNavHost(
         startDestination = AuthScreenDestination,
     ) {
         composable<AuthScreenDestination> {
+            Log.d("compose", "Auth")
             AuthScreen(navController = navController)
         }
         composable<MainScreenDestination> {
-            Box(
+            Log.d("compose", "Main")
-                contentAlignment = Alignment.Center
+            MainScreen(viewModel = viewModel(), navController)
-            ) {
-                Text(text = "Hello")
-            }
         }
         composable<BookScreenDestination> {
+            Log.d("compose", "Book")
             BookScreen(
-                viewModel = BookViewModel(),
+                viewModel = viewModel(),
                 navController = navController
             )
         }

app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt

@@ -5,7 +5,6 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.Button
@@ -30,6 +29,7 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import ru.myitschool.work.R
 import ru.myitschool.work.core.TestIds
+import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.ui.nav.MainScreenDestination
 
 @Composable
@@ -45,6 +45,8 @@ fun AuthScreen(
         }
     }
 
+    AuthRepository.getSavedCode()?.let { viewModel.onIntent(AuthIntent.Send(it)) }
+
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -75,7 +77,7 @@ private fun Content(
 ) {
     var inputText by remember { mutableStateOf("") }
 
-    val isValidCode = inputText.length >= 4 && inputText.isNotEmpty() && inputText.none { it.isWhitespace() } && inputText.all { ch ->
+    val isValidCode = inputText.length == 4 && inputText.isNotEmpty() && inputText.none { it.isWhitespace() } && inputText.all { ch ->
         ch in '0'..'9' || ch in 'A'..'Z' || ch in 'a'..'z'
     }
 

app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt

@@ -24,11 +24,11 @@ class AuthViewModel : ViewModel() {
     fun onIntent(intent: AuthIntent) {
         when (intent) {
             is AuthIntent.Send -> {
-                viewModelScope.launch(Dispatchers.Default) {
+                viewModelScope.launch(Dispatchers.IO) {
                     _uiState.update { AuthState.Loading }
                     checkAndSaveAuthCodeUseCase.invoke(intent.text).fold(
                         onSuccess = {
-                            _actionFlow.emit(Unit)// переход на MainScreen
+                            _actionFlow.emit(Unit)
                         },
                         onFailure = { error ->
                             _uiState.update {

app/src/main/java/ru/myitschool/work/ui/screen/book/BookIntent.kt

@@ -1,9 +1,7 @@
 package ru.myitschool.work.ui.screen.book
 
-import ru.myitschool.work.ui.screen.Booking
-
 sealed interface BookIntent {
-    data class Send(val code : String, val booking: Booking) : BookIntent
+    data class Send(val code : String, val data: String, val placeId : Int) : BookIntent
     data object BackToMainScreen : BookIntent
     data object ToAuthScreen : BookIntent
     data object LoadData : BookIntent

app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt

@@ -18,10 +18,11 @@ import androidx.compose.material3.RadioButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.testTag
@@ -34,11 +35,10 @@ import ru.myitschool.work.core.TestIds
 import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.ui.nav.AuthScreenDestination
 import ru.myitschool.work.ui.nav.MainScreenDestination
-import ru.myitschool.work.ui.screen.Booking
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
 
-var selectedTime: MutableState<String?> = mutableStateOf(null)
-var selectedBooking: MutableState<Booking?> = mutableStateOf(null)
-var currentTime: MutableState<String?> = mutableStateOf(null)
 @Composable
 fun BookScreen(
     viewModel: BookViewModel = viewModel(),
@@ -76,22 +76,93 @@ fun BookScreen(
 //        Text("" + selectedTime.value  + "," + currentTime.value + "," + selectedBooking.value)
         when (state) {
             is BookState.Data -> {
+                var selectedTime : String? by remember { mutableStateOf(null) }
+                var selectedBooking : Int? by remember { mutableStateOf(null) }
+                var currentTime : String? by remember { mutableStateOf(null) }
+
                 val options = (state as BookState.Data).booking
-                if (currentTime.value == null)
+
+                if (currentTime == null)
                     for (el in options) {
-                        currentTime.value = el.key
+                        if (!el.value.isEmpty()) {
+                            currentTime = el.key
                             break
                         }
-                TabGroup(options.keys)
+                    }
-                options[currentTime.value]?.let { SelectBooking(it) }
+
+                NavigationBar(
+                    Modifier.fillMaxWidth()
+                ) {
+                    val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+                    val outputFormatter = DateTimeFormatter.ofPattern("dd.MM")
+
+                    options.keys
+                        .map { LocalDate.parse(it, inputFormatter) }
+                        .sorted()
+//                        .map { it.format(inputFormatter) }
+                        .forEachIndexed { index, label ->
+                            options[label.format(inputFormatter)]?.let {
+                                if (!it.isEmpty()) {
+                                    NavigationBarItem(
+                                        selected = currentTime == label.format(inputFormatter),
+                                        onClick = {
+                                            currentTime = label.format(inputFormatter)
+                                        },
+                                        icon = {
+                                            Text(
+                                                text = label.format(outputFormatter),
+                                                modifier = Modifier
+                                                    .testTag(TestIds.Book.ITEM_DATE)
+                                            )
+                                        },
+                                        modifier = Modifier
+                                            .testTag(TestIds.Book.getIdDateItemByPosition(index))
+                                    )
+                                }
+                            }
+                    }
+                }
+
+                LazyColumn(
+                    Modifier
+                        .fillMaxWidth()
+                ) {
+                    options[currentTime]?.forEach { book ->
+                        item {
+                            Row(
+                                Modifier
+                                    .fillMaxWidth()
+                                    .selectableGroup()
+                                    .testTag(TestIds.Book.getIdPlaceItemByPosition(book.id)),
+                                horizontalArrangement = Arrangement.SpaceBetween,
+                                verticalAlignment = Alignment.CenterVertically
+                            ) {
+                                Text(
+                                    text = book.place,
+                                    modifier = Modifier
+                                        .testTag(TestIds.Book.ITEM_PLACE_TEXT)
+                                )
+                                RadioButton(
+                                    selected = book.id == selectedBooking && currentTime == selectedTime,
+                                    onClick = {
+                                        selectedBooking = book.id
+                                        selectedTime = currentTime
+                                    },
+                                    modifier = Modifier
+                                        .testTag(TestIds.Book.ITEM_PLACE_SELECTOR)
+                                )
+                            }
+                        }
+                    }
+                }
 
                 Button(
                     onClick = {
-                        viewModel.onIntent(BookIntent.Send(AuthRepository.getSavedCode()!!, selectedBooking.value!!))
+                        viewModel.onIntent(BookIntent.Send(AuthRepository.getSavedCode()!!, selectedTime!!, selectedBooking!!))
                     },
                     modifier = Modifier
                         .testTag(TestIds.Book.BOOK_BUTTON),
-                    enabled = selectedBooking.value != null
+                    enabled = selectedBooking != null
                 ) {
                     Text(stringResource(R.string.to_book))
                 }
@@ -145,64 +216,5 @@ fun BookScreen(
 }
 
 
-@Composable
-fun TabGroup(options: Set<String>) {
-    NavigationBar(
-        Modifier.fillMaxWidth()
-    ) {
-        options.forEachIndexed { index, label ->
-            NavigationBarItem(
-                selected = currentTime.value == label,
-                onClick = {
-                    currentTime.value = label
-                },
-                icon = {
-                    Text(
-                        text = label,
-                        modifier = Modifier
-                            .testTag(TestIds.Book.ITEM_DATE)
-                    )
-                       },
-                modifier = Modifier
-                    .testTag(TestIds.Book.getIdDateItemByPosition(index))
-            )
-        }
-    }
-}
 
-@Composable
-fun SelectBooking(options: List<Booking>) {
-    LazyColumn(
-        Modifier
-            .fillMaxWidth()
-    ) {
-        options.forEachIndexed { index, book ->
-            item {
-                Row(
-                    Modifier
-                        .fillMaxWidth()
-                        .selectableGroup()
-                        .testTag(TestIds.Book.getIdPlaceItemByPosition(index)),
-                    horizontalArrangement = Arrangement.SpaceBetween,
-                    verticalAlignment = Alignment.CenterVertically
-                ) {
-                    Text(
-                        text = book.place,
-                        modifier = Modifier
-                            .testTag(TestIds.Book.ITEM_PLACE_TEXT)
-                    )
-                    RadioButton(
-                        selected = book == selectedBooking.value && currentTime.value == selectedTime.value,
-                        onClick = {
-                            selectedBooking.value = book
-                            selectedTime.value = currentTime.value
-                                  },
-                        modifier = Modifier
-                            .testTag(TestIds.Book.ITEM_PLACE_SELECTOR)
-                    )
-                }
-            }
-        }
-    }
-}
 

app/src/main/java/ru/myitschool/work/ui/screen/book/BookState.kt

@@ -1,11 +1,11 @@
 package ru.myitschool.work.ui.screen.book
 
-import ru.myitschool.work.ui.screen.Booking
+import ru.myitschool.work.ui.screen.BookingItem
 
 sealed interface BookState {
     object Loading: BookState
     data class Data(
-        val booking : Map<String, List<Booking>> = mapOf()
+        val booking: Map<String, List<BookingItem>> = mapOf()
     ): BookState
     data class Error(
         val error : String

app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt

@@ -8,19 +8,17 @@ 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
 import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.data.repo.BookRepository
-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 _navigationFlow = MutableSharedFlow<BookNavigationEvent>()
+    private val _navigationFlow = MutableSharedFlow<BookNavigationEvent>(replay = 0, extraBufferCapacity = 1)
-    val navigationFlow: SharedFlow<BookNavigationEvent> = _navigationFlow.asSharedFlow()
+    val navigationFlow: SharedFlow<BookNavigationEvent> = _navigationFlow
 
     init {
         loadData()
@@ -61,9 +59,10 @@ class BookViewModel : ViewModel() {
                 onSuccess = {
                     it.let { bookings ->
                         _uiState.update {
-                            when (bookings.isEmpty()) {
+                            Log.d("test", bookings.isEmpty().toString())
+                            when (!bookings.isEmpty()) {
                                 true -> BookState.Data(
-                                    booking = bookings.toMap()
+                                    booking = bookings
                                 )
                                 false -> BookState.NotData
                             }
@@ -84,15 +83,19 @@ class BookViewModel : ViewModel() {
     fun onIntent(intent: BookIntent) {
         when (intent) {
             is BookIntent.Send -> {
-                viewModelScope.launch(Dispatchers.Default) {
+                viewModelScope.launch(Dispatchers.IO) {
                     _uiState.update { BookState.Loading }
-                    BookRepository.sendData(intent.code, intent.booking).fold(
+                    BookRepository.sendData(intent.code, intent.data, intent.placeId).fold(
                         onSuccess = {
-                            _navigationFlow.tryEmit(BookNavigationEvent.NavigateToMain)
+                            Log.d("send date", "success")
+                            _navigationFlow.emit(BookNavigationEvent.NavigateToMain)
                         },
                         onFailure = { error ->
+                            Log.d("send date", "error: $error")
+                            _uiState.update {
                                 BookState.Error(error.message ?: "Неизвестная ошибка")
                             }
+                        }
                     )
                 }
             }
@@ -111,15 +114,6 @@ class BookViewModel : ViewModel() {
     }
 }
 
-fun List<Booking>.toMap() : Map<String, List<Booking>> {
-    val options = this
-    val map : MutableMap<String, MutableList<Booking>> = mutableMapOf()
-    options.forEach {
-        if (map[it.date] == null) map[it.date] = mutableListOf(it)
-        else map[it.date]?.add(it)
-    }
-    return map
-}
 
 sealed interface BookNavigationEvent {
     object NavigateToAuth : BookNavigationEvent

app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt

@@ -0,0 +1,7 @@
+package ru.myitschool.work.ui.screen.main
+
+sealed interface MainIntent {
+    data object LoadData : MainIntent
+    data object Logout : MainIntent
+    data object AddBooking : MainIntent
+}

app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt

@@ -0,0 +1,223 @@
+package ru.myitschool.work.ui.screen.main
+
+import android.util.Log
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import coil3.compose.AsyncImage
+import ru.myitschool.work.core.TestIds
+import ru.myitschool.work.ui.nav.AuthScreenDestination
+import ru.myitschool.work.ui.nav.BookScreenDestination
+import ru.myitschool.work.ui.screen.Booking
+
+@Composable
+fun MainScreen(
+    viewModel: MainViewModel = viewModel(),
+    navController: NavController
+) {
+    val state by viewModel.uiState.collectAsState()
+    LaunchedEffect(state) {
+        Log.d("MainScreen", "UI State: $state")
+    }
+    LaunchedEffect(viewModel) {
+        viewModel.navigationFlow.collect { event ->
+            when (event) {
+                MainNavigationEvent.NavigateToAuth -> {
+                    navController.navigate(AuthScreenDestination) {
+                        popUpTo(navController.graph.startDestinationId) { inclusive = true }
+                    }
+                }
+                MainNavigationEvent.NavigateToBook -> {
+                    navController.navigate(BookScreenDestination)
+                }
+            }
+        }
+    }
+
+    when (state) {
+        MainState.Loading -> {
+            CircularProgressIndicator(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .wrapContentSize(Alignment.Center)
+            )
+        }
+        is MainState.Content -> {
+            Content(
+                state = state as MainState.Content,
+                onRefresh = { viewModel.onIntent(MainIntent.LoadData) },
+                onLogout = { viewModel.onIntent(MainIntent.Logout) },
+                onAddBooking = { viewModel.onIntent(MainIntent.AddBooking) }
+            )
+        }
+        is MainState.ErrorOnly -> {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.Center
+            ) {
+                Text(
+                    text = (state as MainState.ErrorOnly).message,
+                    color = MaterialTheme.colorScheme.error,
+                    modifier = Modifier.testTag(TestIds.Main.ERROR)
+                )
+                Spacer(modifier = Modifier.height(16.dp))
+                Button(
+                    onClick = { viewModel.onIntent(MainIntent.LoadData) },
+                    modifier = Modifier.testTag(TestIds.Main.REFRESH_BUTTON)
+                ) {
+                    Text("Обновить")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun Content(
+    state: MainState.Content,
+    onRefresh: () -> Unit,
+    onLogout: () -> Unit,
+    onAddBooking: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        state.userPhotoUrl?.let { url ->
+            AsyncImage(
+                model = url,
+                contentDescription = "Аватар",
+                modifier = Modifier
+                    .size(80.dp)
+                    .clip(CircleShape)
+                    .testTag(TestIds.Main.PROFILE_IMAGE)
+            )
+        }
+        state.userName?.let {
+            Text(
+                text = it,
+                style = MaterialTheme.typography.headlineSmall,
+                modifier = Modifier.testTag(TestIds.Main.PROFILE_NAME)
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Button(
+                onClick = onLogout,
+                modifier = Modifier.testTag(TestIds.Main.LOGOUT_BUTTON)
+            ) {
+                Text("Выйти")
+            }
+            Button(
+                onClick = onRefresh,
+                modifier = Modifier.testTag(TestIds.Main.REFRESH_BUTTON)
+            ) {
+                Text("Обновить")
+            }
+            Button(
+                onClick = onAddBooking,
+                modifier = Modifier.testTag(TestIds.Main.ADD_BUTTON)
+            ) {
+                Text("Забронировать")
+            }
+        }
+
+        Spacer(modifier = Modifier.height(16.dp))
+        if (state.error != null) {
+            Text(
+                text = state.error,
+                color = MaterialTheme.colorScheme.error,
+                modifier = Modifier.testTag(TestIds.Main.ERROR)
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        Text(
+            text = "Бронирования",
+            style = MaterialTheme.typography.titleMedium,
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag("main_bookings_title")
+        )
+
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 8.dp),
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Text(
+                text = "Дата",
+                style = MaterialTheme.typography.labelMedium,
+                modifier = Modifier.testTag("main_bookings_header_date")
+            )
+            Text(
+                text = "Место",
+                style = MaterialTheme.typography.labelMedium,
+                modifier = Modifier.testTag("main_bookings_header_place")
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        LazyColumn(modifier = Modifier.fillMaxSize()) {
+            itemsIndexed(state.bookings) { index, item ->
+                BookingItemView(booking = item, index = index)
+                Spacer(modifier = Modifier.height(8.dp))
+            }
+        }
+    }
+}
+@Composable
+private fun BookingItemView(booking: Booking, index: Int) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .testTag(TestIds.Main.getIdItemByPosition(index))
+            .padding(8.dp)
+    ) {
+        Text(
+            text = booking.date,
+            modifier = Modifier.testTag(TestIds.Main.ITEM_DATE)
+        )
+        Spacer(modifier = Modifier.weight(1f))
+        Text(
+            text = booking.place,
+            modifier = Modifier.testTag(TestIds.Main.ITEM_PLACE)
+        )
+    }
+}

app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt

@@ -0,0 +1,16 @@
+package ru.myitschool.work.ui.screen.main
+
+import ru.myitschool.work.ui.screen.Booking
+
+sealed interface MainState {
+    object Loading : MainState
+    data class Content(
+        val userName: String?,
+        val userPhotoUrl: String?,
+        val bookings: List<Booking>,
+        val error: String? = null
+    ) : MainState
+    data class ErrorOnly(
+        val message: String
+    ) : MainState
+}

app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt

@@ -0,0 +1,102 @@
+package ru.myitschool.work.ui.screen.main
+
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import ru.myitschool.work.data.repo.AuthRepository
+import ru.myitschool.work.data.repo.MainRepository
+import ru.myitschool.work.ui.screen.Booking
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+class MainViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow<MainState>(MainState.Loading)
+    val uiState: StateFlow<MainState> = _uiState.asStateFlow()
+
+    private val _navigationFlow = MutableSharedFlow<MainNavigationEvent>(replay = 0, extraBufferCapacity = 1)
+    val navigationFlow: SharedFlow<MainNavigationEvent> = _navigationFlow
+    fun formatDateString(isoDate: String): String {
+        val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+        val outputFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy")
+        val date = LocalDate.parse(isoDate, inputFormatter)
+        return date.format(outputFormatter)
+    }
+    init {
+        loadData()
+    }
+
+    private fun loadData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            withContext(Dispatchers.Main) {
+                _uiState.value = MainState.Loading
+            }
+
+            val code = AuthRepository.getSavedCode() ?: run {
+                _navigationFlow.emit(MainNavigationEvent.NavigateToAuth)
+                return@launch
+            }
+
+            MainRepository.loadUserInfo(code).fold(
+                onSuccess = { userInfo ->
+                    val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+                    val outputFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy")
+
+                    val sortedBookings = userInfo.bookingToList()
+                        .sortedBy { LocalDate.parse(it.date, inputFormatter) }
+                        .map { booking ->
+                            Booking(
+                                date = LocalDate.parse(booking.date, inputFormatter).format(outputFormatter),
+                                place = booking.place
+                            )
+                        }
+
+                    withContext(Dispatchers.Main) {
+                        _uiState.value = MainState.Content(
+                            userName = userInfo.name,
+                            userPhotoUrl = userInfo.photoUrl ?: "",
+                            bookings = sortedBookings,
+                            error = null
+                        )
+                    }
+                },
+                onFailure = { error ->
+                    Log.e("MainViewModel", "Ошибка загрузки", error)
+                    withContext(Dispatchers.Main) {
+                        _uiState.value = MainState.ErrorOnly(
+                            error.message ?: "Не удалось загрузить данные"
+                        )
+                    }
+                }
+            )
+        }
+    }
+
+    fun onIntent(intent: MainIntent) {
+        when (intent) {
+            MainIntent.LoadData -> loadData()
+            MainIntent.Logout -> {
+                MainRepository.clearAuth()
+                viewModelScope.launch {
+                    _navigationFlow.emit(MainNavigationEvent.NavigateToAuth)
+                }
+            }
+            MainIntent.AddBooking -> {
+                viewModelScope.launch {
+                    _navigationFlow.emit(MainNavigationEvent.NavigateToBook)
+                }
+            }
+        }
+    }
+}
+sealed interface MainNavigationEvent {
+    object NavigateToAuth : MainNavigationEvent
+    object NavigateToBook : MainNavigationEvent
+}