add full logic to Auth & Main

app/src/main/java/ru/myitschool/work/data/datastore/DataStoreManager.kt

@@ -15,6 +15,12 @@ class DataStoreManager(
         private val USER_CODE_KEY = stringPreferencesKey("user_code")
     }
 
+    suspend fun clearUserCode() {
+        dataStore.edit { preferences ->
+            preferences.remove(USER_CODE_KEY)
+        }
+    }
+
     suspend fun saveUserCode(userCode: UserCode) {
         dataStore.edit { preferences ->
             preferences[USER_CODE_KEY] = userCode.code

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

@@ -4,13 +4,8 @@ import ru.myitschool.work.data.source.NetworkDataSource
 
 object AuthRepository {
 
-    private var codeCache: String? = null
 
     suspend fun checkAndSave(text: String): Result<Boolean> {
-        return NetworkDataSource.checkAuth(text).onSuccess { success ->
+        return NetworkDataSource.checkAuth(text)
-            if (success) {
-                codeCache = text
-            }
-        }
     }
 }

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

@@ -0,0 +1,12 @@
+package ru.myitschool.work.data.repo
+
+import ru.myitschool.work.data.source.NetworkDataSource
+import ru.myitschool.work.domain.book.entities.BookingEntity
+import ru.myitschool.work.domain.main.entities.UserEntity
+
+object BookRepository {
+
+    suspend fun loadBooking(text: String): Result<BookingEntity> {
+        return NetworkDataSource.loadBooking(text)
+    }
+}

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

@@ -0,0 +1,11 @@
+package ru.myitschool.work.data.repo
+
+import ru.myitschool.work.data.source.NetworkDataSource
+import ru.myitschool.work.domain.main.entities.UserEntity
+
+object MainRepository {
+
+    suspend fun loadData(text: String): Result<UserEntity> {
+        return NetworkDataSource.loadData(text)
+    }
+}

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

@@ -1,6 +1,7 @@
 package ru.myitschool.work.data.source
 
 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
@@ -11,6 +12,30 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import ru.myitschool.work.core.Constants
+import ru.myitschool.work.domain.book.entities.BookingEntity
+import ru.myitschool.work.domain.book.entities.PlaceInfo
+import ru.myitschool.work.domain.main.entities.UserEntity
+
+private const val testJson = """
+{
+  "name": "Иванов Петр Федорович",
+  "photoUrl": "https://funnyducks.ru/upload/iblock/0cd/0cdeb7ec3ed6fddda0f90fccee05557d.jpg",
+  "booking": {
+    "2025-01-05": {"id":1,"place":"102"},
+    "2025-01-06": {"id":2,"place":"209.13"},
+    "2025-01-09": {"id":3,"place":"Зона 51. 50"}
+  }
+}
+"""
+
+private const val testBookingJson = """
+{
+  "2025-01-05": [{"id": 1, "place": "102"},{"id": 2, "place": "209.13"}],
+  "2025-01-06": [{"id": 3, "place": "Зона 51. 50"}],
+  "2025-01-07": [{"id": 1, "place": "102"},{"id": 2, "place": "209.13"}],
+  "2025-01-08": [{"id": 2, "place": "209.13"}]
+}
+"""
 
 object NetworkDataSource {
     private val client by lazy {
@@ -30,11 +55,45 @@ object NetworkDataSource {
 
     suspend fun checkAuth(code: String): Result<Boolean> = withContext(Dispatchers.IO) {
         return@withContext runCatching {
-            val response = client.get(getUrl(code, Constants.AUTH_URL))
+
-            when (response.status) {
+            true  // удалить при проверке
-                HttpStatusCode.OK -> true
+
-                else -> error(response.bodyAsText())
+//            val response = client.get(getUrl(code, Constants.AUTH_URL))
-            }
+//            response.status
+//            when (response.status) {
+//                HttpStatusCode.OK -> true
+//                else -> error(response.bodyAsText())
+//            }
+        }
+    }
+
+    suspend fun loadData(code: String): Result<UserEntity> = withContext(Dispatchers.IO) {
+        return@withContext runCatching {
+
+            Json.decodeFromString<UserEntity>(testJson)   // удалить при проверке
+
+//            val response = client.get(getUrl(code, Constants.INFO_URL))
+//            when (response.status) {
+//                HttpStatusCode.OK -> {
+//                   response.body<UserEntity>()
+//                }
+//                else -> error(response.bodyAsText())
+//            }
+        }
+    }
+
+    suspend fun loadBooking(code: String): Result<BookingEntity> = withContext(Dispatchers.IO) {
+        return@withContext runCatching {
+
+            BookingEntity(Json.decodeFromString<Map<String, List<PlaceInfo>>>(testBookingJson))  // удалить при проверке
+
+//            val response = client.get(getUrl(code, Constants.BOOKING_URL))
+//            when (response.status) {
+//                HttpStatusCode.OK -> {
+//                   BookingEntity(response.body<Map<String, List<PlaceInfo>>>())
+//                }
+//                else -> error(response.bodyAsText())
+//            }
         }
     }
 

app/src/main/java/ru/myitschool/work/domain/book/LoadBookingUseCase.kt

@@ -0,0 +1,16 @@
+package ru.myitschool.work.domain.book
+
+import ru.myitschool.work.data.repo.BookRepository
+import ru.myitschool.work.data.repo.MainRepository
+import ru.myitschool.work.domain.book.entities.BookingEntity
+import ru.myitschool.work.domain.main.entities.UserEntity
+
+class LoadBookingUseCase(
+    private val repository: BookRepository
+) {
+    suspend operator fun invoke(
+        text: String
+    ): Result<BookingEntity> {
+        return repository.loadBooking(text)
+    }
+}

app/src/main/java/ru/myitschool/work/domain/book/entities/BookingEntity.kt

@@ -0,0 +1,8 @@
+package ru.myitschool.work.domain.book.entities
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class BookingEntity(
+    val bookings: Map<String, List<PlaceInfo>>
+)

app/src/main/java/ru/myitschool/work/domain/book/entities/PlaceInfo.kt

@@ -0,0 +1,9 @@
+package ru.myitschool.work.domain.book.entities
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class PlaceInfo(
+    val id: Int,
+    val place: String
+)

app/src/main/java/ru/myitschool/work/domain/main/LoadDataUseCase.kt

@@ -0,0 +1,14 @@
+package ru.myitschool.work.domain.main
+
+import ru.myitschool.work.data.repo.MainRepository
+import ru.myitschool.work.domain.main.entities.UserEntity
+
+class LoadDataUseCase(
+    private val repository: MainRepository
+) {
+    suspend operator fun invoke(
+        text: String
+    ): Result<UserEntity> {
+        return repository.loadData(text)
+    }
+}

app/src/main/java/ru/myitschool/work/domain/main/entities/BookingInfo.kt

@@ -0,0 +1,9 @@
+package ru.myitschool.work.domain.main.entities
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class BookingInfo(
+    val id: Int,
+    val place: String
+)

app/src/main/java/ru/myitschool/work/domain/main/entities/UserEntity.kt

@@ -0,0 +1,26 @@
+package ru.myitschool.work.domain.main.entities
+
+import kotlinx.serialization.Serializable
+import ru.myitschool.work.formatDate
+
+@Serializable
+data class UserEntity(
+    val name: String,
+    val photoUrl: String,
+    val booking: Map<String, BookingInfo>? = null
+) {
+    fun getSortedBookings(): List<Pair<String, BookingInfo>> {
+        return booking?.entries
+            ?.sortedBy { (date, _) -> date }
+            ?.map { it.toPair() }
+            ?: emptyList()
+    }
+
+    fun getSortedBookingsWithFormattedDate(): List<Triple<String, String, BookingInfo>> {
+        return getSortedBookings().map { (date, bookingInfo) ->
+            Triple(date, date.formatDate(), bookingInfo)
+        }
+    }
+
+    fun hasBookings(): Boolean = !booking.isNullOrEmpty()
+}

app/src/main/java/ru/myitschool/work/ui/Composables.kt

@@ -1,13 +1,10 @@
 package ru.myitschool.work.ui
 
+import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.Image
-import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.RowScope
-import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
@@ -15,23 +12,15 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
 import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.runtime.Composable
-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.graphics.Color
-import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import ru.myitschool.work.R
-import ru.myitschool.work.core.TestIds.Main
 import ru.myitschool.work.ui.theme.Black
-import ru.myitschool.work.ui.theme.Blue
 import ru.myitschool.work.ui.theme.Gray
 import ru.myitschool.work.ui.theme.LightBlue
 import ru.myitschool.work.ui.theme.LightGray
@@ -181,6 +170,7 @@ fun BaseText20(
 
 @Composable
 fun BaseButton(
+    border: BorderStroke? = null,
     enable: Boolean = true,
     text: String,
     btnColor: Color,
@@ -190,6 +180,7 @@ fun BaseButton(
     modifier: Modifier = Modifier.fillMaxWidth()
 ) {
     Button(
+        border = border,
         enabled = enable,
         onClick = onClick,
         colors = ButtonDefaults.buttonColors(
@@ -204,33 +195,4 @@ fun BaseButton(
         icon()
         BaseText20(text = text)
     }
-}
-
-@Composable
-fun ErrorScreen() {
-    Column(
-        horizontalAlignment = Alignment.CenterHorizontally,
-        modifier = Modifier.padding(horizontal = 20.dp, vertical = 40.dp)
-    ) {
-
-        Spacer(modifier = Modifier.height(80.dp))
-
-        BaseText24(
-            text = "Ошибка загрузки данных",
-            textAlign = TextAlign.Center,
-            modifier = Modifier
-                .testTag(Main.ERROR)
-                .width(250.dp)
-        )
-
-        Spacer(modifier = Modifier.height(30.dp))
-
-        BaseButton(
-            modifier = Modifier.testTag(Main.REFRESH_BUTTON),
-            text = "Обновить",
-            btnColor = Blue,
-            btnContentColor = White,
-            onClick = {}
-        )
-    }
 }

app/src/main/java/ru/myitschool/work/ui/nav/AuthScreenDestination.kt

@@ -3,4 +3,4 @@ package ru.myitschool.work.ui.nav
 import kotlinx.serialization.Serializable
 
 @Serializable
-data object AuthScreenDestination: ru.myitschool.work.ui.nav.AppDestination
+data object AuthScreenDestination: AppDestination

app/src/main/java/ru/myitschool/work/ui/nav/BookScreenDestination.kt

@@ -3,4 +3,4 @@ package ru.myitschool.work.ui.nav
 import kotlinx.serialization.Serializable
 
 @Serializable
-data object BookScreenDestination: ru.myitschool.work.ui.nav.AppDestination
+data object BookScreenDestination: AppDestination

app/src/main/java/ru/myitschool/work/ui/nav/MainScreenDestination.kt

@@ -3,6 +3,4 @@ package ru.myitschool.work.ui.nav
 import kotlinx.serialization.Serializable
 
 @Serializable
-data object MainScreenDestination: AppDestination {
+data object MainScreenDestination: AppDestination
-    val userData = ""
-}

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

@@ -16,6 +16,7 @@ import ru.myitschool.work.ui.nav.BookScreenDestination
 import ru.myitschool.work.ui.nav.MainScreenDestination
 import ru.myitschool.work.ui.nav.SplashScreenDestination
 import ru.myitschool.work.ui.screen.auth.AuthScreen
+import ru.myitschool.work.ui.screen.book.BookScreen
 import ru.myitschool.work.ui.screen.main.MainScreen
 import ru.myitschool.work.ui.screen.splash.SplashScreen
 
@@ -41,11 +42,7 @@ fun AppNavHost(
             MainScreen(navController = navController)
         }
         composable<BookScreenDestination> {
-            Box(
+            BookScreen(navController = navController)
-                contentAlignment = Alignment.Center
-            ) {
-                Text(text = "Hello")
-            }
         }
     }
 }

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

@@ -36,7 +36,7 @@ class AuthViewModel(application: Application) : AndroidViewModel(application) {
     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 = {

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

@@ -0,0 +1,6 @@
+package ru.myitschool.work.ui.screen.book
+
+sealed interface BookAction {
+    object Auth: BookAction
+    object  Main: BookAction
+}

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

@@ -0,0 +1,6 @@
+package ru.myitschool.work.ui.screen.book
+
+sealed interface BookIntent {
+    object Back: BookIntent
+    object LoadBooking: BookIntent
+}

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

@@ -2,91 +2,268 @@ package ru.myitschool.work.ui.screen.book
 
 import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
+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.width
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonColors
-import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
 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.graphics.Color
 import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+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.core.TestIds.Book
 import ru.myitschool.work.core.TestIds.Main
+import ru.myitschool.work.domain.book.entities.BookingEntity
+import ru.myitschool.work.formatBookingDate
+import ru.myitschool.work.formatDate
 import ru.myitschool.work.ui.BaseButton
 import ru.myitschool.work.ui.BaseNoBackgroundButton
 import ru.myitschool.work.ui.BaseText16
-import ru.myitschool.work.ui.BaseText20
 import ru.myitschool.work.ui.BaseText24
-import ru.myitschool.work.ui.nav.BookScreenDestination
+import ru.myitschool.work.ui.nav.AuthScreenDestination
+import ru.myitschool.work.ui.nav.MainScreenDestination
+import ru.myitschool.work.ui.screen.main.MainIntent
 import ru.myitschool.work.ui.theme.Black
 import ru.myitschool.work.ui.theme.Blue
-import ru.myitschool.work.ui.theme.Gray
+import ru.myitschool.work.ui.theme.Typography
-import ru.myitschool.work.ui.theme.LightGray
-import ru.myitschool.work.ui.theme.MontserratFontFamily
 import ru.myitschool.work.ui.theme.White
 
 @Composable
 fun BookScreen(
-    navController: NavController
+    navController: NavController,
+    viewModel: BookViewModel = viewModel(),
 ) {
-    Column(
+    val state by viewModel.uiState.collectAsState()
 
-    ) {
+    LaunchedEffect(Unit) {
-        Row(
+        viewModel.actionFlow.collect { action ->
+            when(action) {
+                is BookAction.Auth -> navController.navigate(AuthScreenDestination)
 
-        ) {
+                is BookAction.Main -> navController.navigate(MainScreenDestination)
-            BaseText24(
+            }
-                text = "Новая встреча"
+        }
-            )
+    }
-            BaseNoBackgroundButton(
+
-                text = "Назад",
+    when(state) {
-                onClick = {}
+        is BookState.Loading -> {
+            Box(
+                contentAlignment = Alignment.Center,
+                modifier = Modifier.fillMaxSize()
+            ) {
+                CircularProgressIndicator(
+                    modifier = Modifier.size(64.dp)
+                )
+            }
+        }
+        is BookState.Data -> {
+            DataContent(
+                viewModel,
+                bookingData = (state as? BookState.Data)?.userBooking
             )
         }
+        is BookState.Error -> ErrorContent(viewModel)
+        is BookState.Empty -> EmptyContent(viewModel)
+    }
+}
+
+@Composable
+fun EmptyContent(
+    viewModel: BookViewModel
+) {
+    Box(
+        contentAlignment = Alignment.Center,
+        modifier = Modifier.fillMaxSize()
+    ) {
         Column(
-
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier
+                .padding(15.dp)
+                .fillMaxHeight()
+                .width(320.dp)
         ) {
-            BaseText16(
+
-                text = "Доступные даты"
+            Spacer(modifier = Modifier.height(80.dp))
+
+            BaseText24(
+                text = stringResource(R.string.book_all_booked),
+                modifier = Modifier.testTag(Book.EMPTY),
+                textAlign = TextAlign.Center
             )
 
-            BookDateList()
+            Spacer(modifier = Modifier.height(20.dp))
-
-            BaseText16(
-                text = "Выберите место встречи"
-            )
-
-            BookPlaceList()
 
             BaseButton(
-                text = "Бронировать",
+                text = stringResource(R.string.book_back),
-                btnColor = Blue,
-                btnContentColor = White,
-                onClick = { navController.navigate(BookScreenDestination)},
                 modifier = Modifier
-                    .testTag(Main.ADD_BUTTON)
+                    .fillMaxWidth()
-                    .padding(horizontal = 10.dp, vertical = 15.dp)
+                    .testTag(Book.BACK_BUTTON),
-                    .fillMaxWidth(),
+                onClick = { viewModel.onIntent(BookIntent.Back) },
-                icon = {Image(
+                btnContentColor = White,
-                    painter = painterResource(R.drawable.add_icon),
+                btnColor = Blue
-                    contentDescription = "plus Icon"
-                )}
-
             )
         }
     }
 }
 
+@Composable
+fun ErrorContent(
+    viewModel: BookViewModel
+) {
+    Box(
+        contentAlignment = Alignment.Center,
+        modifier = Modifier.fillMaxSize()
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier
+                .padding(15.dp)
+                .fillMaxHeight()
+                .width(320.dp)
+        ) {
+
+            Spacer(modifier = Modifier.height(80.dp))
+
+            BaseText24(
+                text = stringResource(R.string.book_error),
+                modifier = Modifier.testTag(Book.ERROR),
+                textAlign = TextAlign.Center
+            )
+
+            Spacer(modifier = Modifier.height(20.dp))
+
+            BaseButton(
+                border = BorderStroke(1.dp, Blue),
+                text = stringResource(R.string.book_back),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .testTag(Book.BACK_BUTTON),
+                onClick = { viewModel.onIntent(BookIntent.Back) },
+                btnContentColor = Blue,
+                btnColor = Color.Transparent
+            )
+
+            Spacer(modifier = Modifier.height(15.dp))
+
+            BaseButton(
+                text = stringResource(R.string.main_update),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .testTag(Book.REFRESH_BUTTON),
+                onClick = { viewModel.onIntent(BookIntent.LoadBooking) },
+                btnContentColor = White,
+                btnColor = Blue
+            )
+        }
+    }
+}
+
+@Composable
+fun DataContent(
+    viewModel: BookViewModel,
+    bookingData: BookingEntity?
+) {
+    Column {
+        Row(
+            modifier = Modifier
+                .clip(RoundedCornerShape(bottomStart = 16.dp, bottomEnd = 16.dp))
+                .background(Blue)
+                .fillMaxWidth()
+                .padding(horizontal = 10.dp, vertical = 15.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            BaseText24(
+                text = stringResource(R.string.book_new_book),
+                color = White,
+                modifier = Modifier.padding(start = 15.dp)
+            )
+            BaseNoBackgroundButton(
+                text = stringResource(R.string.book_back),
+                modifier = Modifier.testTag(Book.BACK_BUTTON),
+                onClick = { viewModel.onIntent(BookIntent.Back) }
+            )
+        }
+
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(vertical = 20.dp, horizontal = 10.dp)
+                .clip(RoundedCornerShape(16.dp))
+                .background(White)
+        ) {
+            Column(
+                verticalArrangement = Arrangement.SpaceBetween,
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(13.dp)
+            ) {
+                Column {
+                    Text(
+                        text = stringResource(R.string.book_available_date),
+                        style = Typography.bodyMedium,
+                        fontSize = 16.sp,
+                    )
+
+                    BookDateList(bookingData?.bookings?.keys?.toList() ?: emptyList())
+
+                    Text(
+                        text = stringResource(R.string.book_choose_place),
+                        style = Typography.bodyMedium,
+                        fontSize = 16.sp,
+                    )
+
+                    BookPlaceList()
+                }
+
+                BaseButton(
+                    text = stringResource(R.string.booking_button),
+                    btnColor = Blue,
+                    btnContentColor = White,
+                    onClick = { },
+                    modifier = Modifier
+                        .testTag(Book.BOOK_BUTTON)
+                        .padding(horizontal = 10.dp)
+                        .fillMaxWidth(),
+                    icon = { Image(
+                        painter = painterResource(R.drawable.add_icon),
+                        contentDescription = stringResource(R.string.add_icon_description)
+                    ) }
+                )
+            }
+        }
+    }
+}
+
 @Composable
 fun BookPlaceList() {
     BookPlaceListElement()
@@ -98,32 +275,36 @@ fun BookPlaceListElement() {
 }
 
 @Composable
-fun BookDateList() {
+fun BookDateList(dates: List<String>) {
-    BookDateListElement()
+    FlowRow(
-    BookDateListElement()
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
-    BookDateListElement()
+        verticalArrangement = Arrangement.spacedBy(7.dp),
-    BookDateListElement()
+        modifier = Modifier.padding(vertical = 15.dp)
-    BookDateListElement()
+    ) {
-    BookDateListElement()
+        dates.forEach { date ->
-    BookDateListElement()
+            BookDateListElement(date = date, onClick = {
-
+                // Обработка выбора даты
+            })
+        }
+    }
 }
 
 @Composable
-fun BookDateListElement() {
+fun BookDateListElement(date: String, onClick: () -> Unit) {
     Button(
-        border = BorderStroke(1.dp, Black),
+        contentPadding = PaddingValues(0.dp),
-        onClick = {},
         modifier = Modifier
-            .width(60.dp)
+            .testTag(Book.ITEM_DATE)
             .padding(0.dp),
+        border = BorderStroke(1.dp, Black),
+        onClick = onClick,
         colors = ButtonColors(
             contentColor = Black,
             containerColor = Color.Transparent,
             disabledContentColor = Black,
             disabledContainerColor = Color.Transparent),
-        shape = RoundedCornerShape(16.dp)
     ) {
-        BaseText16(text = "16.06")
+        val formattedDate = formatBookingDate(date)
+        BaseText16(text = formattedDate)
     }
 }

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

@@ -0,0 +1,10 @@
+package ru.myitschool.work.ui.screen.book
+
+import ru.myitschool.work.domain.book.entities.BookingEntity
+
+sealed interface BookState {
+    object Loading: BookState
+    data class Data(val userBooking: BookingEntity): BookState
+    object Error: BookState
+    object Empty: BookState
+}

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

@@ -0,0 +1,83 @@
+package ru.myitschool.work.ui.screen.book
+
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+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.flow.first
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import ru.myitschool.work.App
+import ru.myitschool.work.data.repo.BookRepository
+import ru.myitschool.work.domain.book.LoadBookingUseCase
+import ru.myitschool.work.ui.screen.main.MainAction
+import ru.myitschool.work.ui.screen.main.MainIntent
+import kotlin.text.isEmpty
+
+class BookViewModel(application: Application) : AndroidViewModel(application) {
+
+    private val loadBookingUseCase by lazy { LoadBookingUseCase(BookRepository) }
+
+    private val dataStoreManager by lazy {
+        (getApplication() as App).dataStoreManager
+    }
+    private val _uiState = MutableStateFlow<BookState>(BookState.Loading)
+    val uiState: StateFlow<BookState> = _uiState.asStateFlow()
+    private val _actionFlow: MutableSharedFlow<BookAction> = MutableSharedFlow()
+    val actionFlow: SharedFlow<BookAction> = _actionFlow
+
+    init {
+        loadBooking()
+    }
+
+    private fun loadBooking() {
+        viewModelScope.launch(Dispatchers.IO) {
+            _uiState.update { BookState.Loading }
+
+            try {
+                val userCode = dataStoreManager.getUserCode().first()
+
+                if (userCode.code.isEmpty()) {
+                    _actionFlow.emit(BookAction.Auth)
+                    return@launch
+                }
+
+                loadBookingUseCase.invoke(userCode.code).fold(
+                    onSuccess = { data ->
+                        if (data.bookings.isEmpty()) {
+                            _uiState.update { BookState.Empty }
+                        }
+                        else {
+                            _uiState.update { BookState.Data(data) }
+                        }
+                    },
+                    onFailure = { error ->
+                        error.printStackTrace()
+                        _uiState.update { BookState.Error }
+                    }
+                )
+            } catch (error: Exception) {
+                error.printStackTrace()
+                _uiState.update { BookState.Error }
+            }
+        }
+    }
+
+    fun onIntent( intent: BookIntent) {
+        when(intent) {
+            is BookIntent.LoadBooking -> loadBooking()
+
+            is BookIntent.Back -> {
+                viewModelScope.launch(Dispatchers.Default) {
+                    _actionFlow.emit(BookAction.Main)
+                }
+            }
+
+        }
+    }
+}

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

@@ -0,0 +1,6 @@
+package ru.myitschool.work.ui.screen.main
+
+sealed interface MainAction {
+    object Booking: MainAction
+    object Auth: MainAction
+}

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 {
+    object Logout: MainIntent
+    object Booking: MainIntent
+    object LoadData: MainIntent
+}

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

@@ -7,34 +7,47 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
 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.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.CircularProgressIndicator
 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.runtime.remember
 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.res.painterResource
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
+import coil3.compose.rememberAsyncImagePainter
 import ru.myitschool.work.R
 import ru.myitschool.work.core.TestIds.Main
+import ru.myitschool.work.domain.main.entities.BookingInfo
+import ru.myitschool.work.domain.main.entities.UserEntity
 import ru.myitschool.work.ui.BaseButton
 import ru.myitschool.work.ui.BaseNoBackgroundButton
 import ru.myitschool.work.ui.BaseText14
+import ru.myitschool.work.ui.BaseText16
 import ru.myitschool.work.ui.BaseText20
+import ru.myitschool.work.ui.BaseText24
+import ru.myitschool.work.ui.nav.AuthScreenDestination
+import ru.myitschool.work.ui.nav.BookScreenDestination
 import ru.myitschool.work.ui.theme.Black
 import ru.myitschool.work.ui.theme.Blue
 import ru.myitschool.work.ui.theme.LightGray
@@ -49,8 +62,19 @@ fun MainScreen(
 
     val state by viewModel.uiState.collectAsState()
 
+    LaunchedEffect(Unit) {
+        viewModel.actionFlow.collect { action ->
+            when(action) {
+                is MainAction.Auth -> navController.navigate(AuthScreenDestination)
+
+                is MainAction.Booking -> navController.navigate(BookScreenDestination)
+            }
+        }
+    }
+
     when(state) {
         is MainState.Loading -> {
+
             Box(
                 contentAlignment = Alignment.Center,
                 modifier = Modifier.fillMaxSize()
@@ -61,16 +85,59 @@ fun MainScreen(
             }
         }
         is MainState.Error -> {
-
+            ErrorContent(viewModel)
         }
         is MainState.Data -> {
-            Content(viewModel)
+            DataContent(
+                viewModel,
+                userData = (state as MainState.Data).userData
+            )
         }
     }
 }
 
 @Composable
-fun Content(viewModel: MainViewModel) {
+fun ErrorContent(viewModel: MainViewModel){
+    Box(
+        contentAlignment = Alignment.Center,
+        modifier = Modifier.fillMaxSize()
+    ) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier
+                .padding(15.dp)
+                .fillMaxHeight()
+                .width(320.dp)
+        ) {
+
+            Spacer(modifier = Modifier.height(80.dp))
+
+            BaseText24(
+                text = stringResource(R.string.data_error_message),
+                modifier = Modifier.testTag(Main.ERROR),
+                textAlign = TextAlign.Center
+            )
+
+            Spacer(modifier = Modifier.height(20.dp))
+
+            BaseButton(
+                text = stringResource(R.string.main_update),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .testTag(Main.REFRESH_BUTTON),
+                onClick = { viewModel.onIntent(MainIntent.LoadData) },
+                btnContentColor = White,
+                btnColor = Blue
+            )
+        }
+    }
+}
+
+@Composable
+fun DataContent(
+    viewModel: MainViewModel,
+    userData: UserEntity
+) {
     Column (
         horizontalAlignment = Alignment.CenterHorizontally,
         modifier = Modifier
@@ -92,27 +159,33 @@ fun Content(viewModel: MainViewModel) {
                 modifier = Modifier.fillMaxWidth()
             ) {
                 BaseNoBackgroundButton(
-                    text = "Обновить",
+                    text = stringResource(R.string.main_update),
-                    onClick = { },
+                    onClick = { viewModel.onIntent(MainIntent.LoadData) },
                     modifier = Modifier.testTag(Main.REFRESH_BUTTON)
                 )
                 BaseNoBackgroundButton(
-                    text = "Выйти",
+                    text = stringResource(R.string.main_log_out),
-                    onClick = { },
+                    onClick = { viewModel.onIntent(MainIntent.Logout) },
                     modifier = Modifier.testTag(Main.LOGOUT_BUTTON)
                 )
             }
 
             Image(
-                painter = painterResource(R.drawable.avatar),
+                painter = rememberAsyncImagePainter(
-                contentDescription = "User avatar",
+                    model = userData.photoUrl,
+                    error = painterResource(R.drawable.avatar)
+                ),
+                contentDescription = stringResource(R.string.main_avatar_description),
                 modifier = Modifier
+                    .clip(RoundedCornerShape(999.dp))
                     .testTag(Main.PROFILE_IMAGE)
+                    .width(150.dp)
+                    .height(150.dp)
                     .padding(20.dp)
             )
 
             BaseText20(
-                text = "Артемий Артемиев Иванович",
+                text = userData.name,
                 color = White,
                 textAlign = TextAlign.Center,
                 modifier = Modifier
@@ -135,7 +208,7 @@ fun Content(viewModel: MainViewModel) {
                 modifier = Modifier.fillMaxWidth()
             ) {
                 Text(
-                    text = "Ваши забронированные места",
+                    text = stringResource(R.string.main_booking_title),
                     style = Typography.bodyMedium,
                     color = Black,
                     fontSize = 16.sp,
@@ -144,20 +217,24 @@ fun Content(viewModel: MainViewModel) {
                         vertical = 20.dp
                     )
                 )
-                BookList()
+                if (userData.hasBookings()) {
+                    SortedBookingList(userData = userData)
+                } else {
+                    EmptyBookings()
+                }
             }
             BaseButton(
-                text = "Бронировать",
+                text = stringResource(R.string.booking_button),
                 btnColor = Blue,
                 btnContentColor = White,
-                onClick = {},
+                onClick = { viewModel.onIntent(MainIntent.Booking) },
                 modifier = Modifier
                     .testTag(Main.ADD_BUTTON)
                     .padding(horizontal = 10.dp, vertical = 15.dp)
                     .fillMaxWidth(),
                 icon = {Image(
                     painter = painterResource(R.drawable.add_icon),
-                    contentDescription = "plus Icon"
+                    contentDescription = stringResource(R.string.add_icon_description)
                 )}
 
             )
@@ -165,25 +242,38 @@ fun Content(viewModel: MainViewModel) {
     }
 }
 
-val bookListData = listOf(
-    "Конгресс Холл",
-    "Конгресс Холл",
-    "Конгресс Холл"
-)
-
 @Composable
-fun BookList() {
+fun SortedBookingList(userData: UserEntity) {
-    Column(
+    val sortedBookings = remember(userData.booking) {
-        modifier = Modifier.padding(horizontal = 20.dp)
+        userData.getSortedBookingsWithFormattedDate()
+    }
+
+    LazyColumn(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 20.dp)
     ) {
-        for ((index, book) in bookListData.withIndex()) {
+        itemsIndexed(
-            BookListElement(index)
+            items = sortedBookings
+        ) { index, (originalDate, formattedDate, bookingInfo) ->
+            BookingItem(
+                originalDate = originalDate,
+                formattedDate = formattedDate,
+                bookingInfo = bookingInfo,
+                index = index
+            )
+            Spacer(modifier = Modifier.height(8.dp))
         }
     }
 }
 
 @Composable
-fun BookListElement(index: Int) {
+fun BookingItem(
+    originalDate: String,
+    formattedDate: String,
+    bookingInfo: BookingInfo,
+    index: Int
+) {
     Row(
         modifier = Modifier
             .testTag(Main.getIdItemByPosition(index))
@@ -192,12 +282,26 @@ fun BookListElement(index: Int) {
         horizontalArrangement = Arrangement.SpaceBetween
     ) {
         BaseText14(
-            text = "Конгресс Холл",
+            text = bookingInfo.place,
             modifier = Modifier.testTag(Main.ITEM_PLACE)
         )
         BaseText14(
-            text = "16.02.3026",
+            text = formattedDate,
             modifier = Modifier.testTag(Main.ITEM_DATE)
         )
     }
+}
+
+@Composable
+fun EmptyBookings() {
+    Box(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(16.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        BaseText16(
+            text = stringResource(R.string.main_empty_booking)
+        )
+    }
 }

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

@@ -1,7 +1,9 @@
 package ru.myitschool.work.ui.screen.main
 
+import ru.myitschool.work.domain.main.entities.UserEntity
+
 sealed interface MainState {
-    object Data: MainState
+    data class Data(val userData: UserEntity): MainState
     object Loading: MainState
     object Error: MainState
 }

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

@@ -1,15 +1,82 @@
 package ru.myitschool.work.ui.screen.main
 
-import androidx.lifecycle.ViewModel
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+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.flow.first
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import ru.myitschool.work.App
+import ru.myitschool.work.data.repo.MainRepository
+import ru.myitschool.work.domain.main.LoadDataUseCase
 
-class MainViewModel: ViewModel() {
+class MainViewModel(application: Application) : AndroidViewModel(application) {
 
+    private val dataStoreManager by lazy {
+        (getApplication() as App).dataStoreManager
+    }
+
+    private val loadDataUseCase by lazy { LoadDataUseCase(MainRepository) }
     private val _uiState = MutableStateFlow<MainState>(MainState.Loading)
     val uiState: StateFlow<MainState> = _uiState.asStateFlow()
+    private val _actionFlow: MutableSharedFlow<MainAction> = MutableSharedFlow()
+    val actionFlow: SharedFlow<MainAction> = _actionFlow
 
+    init {
+        loadData()
+    }
 
+    private fun loadData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            _uiState.update { MainState.Loading }
 
+            try {
+                val userCode = dataStoreManager.getUserCode().first()
+
+                if (userCode.code.isEmpty()) {
+                    _actionFlow.emit(MainAction.Auth)
+                    return@launch
+                }
+
+                loadDataUseCase.invoke(userCode.code).fold(
+                    onSuccess = { data ->
+                        _uiState.update { MainState.Data(data) }
+                    },
+                    onFailure = { error ->
+                        error.printStackTrace()
+                        _uiState.update { MainState.Error }
+                    }
+                )
+            } catch (error: Exception) {
+                error.printStackTrace()
+                _uiState.update { MainState.Error }
+            }
+        }
+    }
+
+    fun onIntent( intent: MainIntent) {
+        when(intent) {
+            is MainIntent.LoadData -> loadData()
+
+            is MainIntent.Booking -> {
+                viewModelScope.launch(Dispatchers.Default) {
+                    _actionFlow.emit(MainAction.Booking)
+                }
+            }
+
+            is MainIntent.Logout -> {
+                viewModelScope.launch(Dispatchers.IO) {
+
+                    dataStoreManager.clearUserCode()
+                    _actionFlow.emit(MainAction.Auth)
+                }
+            }
+        }
+    }
 }

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

@@ -1,6 +1,7 @@
 package ru.myitschool.work.ui.screen.splash
 
 import android.app.Application
+import android.util.Log
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -28,12 +29,7 @@ class SplashViewModel(application: Application) : AndroidViewModel(application)
             try {
                 val userCode = dataStoreManager.getUserCode().first()
 
-                val isAuthenticated = when {
+                val isAuthenticated = if (userCode.code.isEmpty()) false else true
-                    userCode == null -> false
-                    userCode.code is String -> (userCode.code as String).isNotEmpty()
-                    userCode.code is Int -> (userCode.code as Int) != -1
-                    else -> false
-                }
 
                 _splashState.value = if (isAuthenticated) {
                     SplashState.Authenticated

app/src/main/java/ru/myitschool/work/utils.kt

@@ -0,0 +1,25 @@
+package ru.myitschool.work
+
+fun String.formatDate(): String {
+    return try {
+        val inputFormat = java.text.SimpleDateFormat("yyyy-MM-dd", java.util.Locale.getDefault())
+        val outputFormat = java.text.SimpleDateFormat("dd.MM.yyyy", java.util.Locale.getDefault())
+        val date = inputFormat.parse(this)
+        outputFormat.format(date)
+    } catch (e: Exception) {
+        this
+    }
+}
+
+fun formatBookingDate(dateString: String): String {
+    return try {
+        val parts = dateString.split("-")
+        if (parts.size == 3) {
+            "${parts[2]}.${parts[1]}"
+        } else {
+            dateString
+        }
+    } catch (e: Exception) {
+        dateString
+    }
+}

app/src/main/res/values/strings.xml

@@ -4,4 +4,18 @@
     <string name="auth_title">Введите код для авторизации</string>
     <string name="auth_label">Код</string>
     <string name="auth_sign_in">Войти</string>
+    <string name="main_update">Обновить</string>
+    <string name="main_log_out">Выйти</string>
+    <string name="main_avatar_description">Фото пользователя</string>
+    <string name="main_booking_title">Ваши забронированные места</string>
+    <string name="booking_button">Бронировать</string>
+    <string name="add_icon_description">Иконка добавления</string>
+    <string name="data_error_message">Ошибка загрузки данных</string>
+    <string name="main_empty_booking">Нет бронирований</string>
+    <string name="book_new_book">Новая встреча</string>
+    <string name="book_back">Назад</string>
+    <string name="book_available_date">Доступные даты</string>
+    <string name="book_choose_place">Выберите место встречи</string>
+    <string name="book_all_booked">Всё забронировано</string>
+    <string name="book_error">Ошибка сервера</string>
 </resources>