add full logic to BookScreen

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

@@ -9,4 +9,13 @@ object BookRepository {
     suspend fun loadBooking(text: String): Result<BookingEntity> {
         return NetworkDataSource.loadBooking(text)
     }
+
+    suspend fun bookPlace(
+        userCode: String,
+        date: String,
+        placeId: Int,
+        placeName: String
+    ): Result<Unit> {
+        return NetworkDataSource.bookPlace(userCode, date, placeId, placeName)
+    }
 }

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

@@ -1,10 +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.HttpStatusCode
 import io.ktor.serialization.kotlinx.json.json
@@ -53,47 +56,72 @@ object NetworkDataSource {
         }
     }
 
+    suspend fun bookPlace(
+        userCode: String,
+        date: String,
+        placeId: Int,
+        placeName: String
+    ): Result<Unit> = withContext(Dispatchers.IO) {
+        return@withContext runCatching {
+//            Log.i("aaa", "Booking: userCode=$userCode, date=$date, placeId=$placeId, placeName=$placeName")
+//            println("Booking: userCode=$userCode, date=$date, placeId=$placeId, placeName=$placeName")
+
+            val response = client.post(getUrl(userCode, Constants.BOOK_URL)) {
+                setBody(mapOf(
+                    "date" to date,
+                    "placeId" to placeId,
+                    "placeName" to placeName
+                ))
+            }
+
+            when (response.status) {
+                HttpStatusCode.OK -> Unit
+                else -> error(response.bodyAsText())
+            }
+        }
+    }
+
     suspend fun checkAuth(code: String): Result<Boolean> = withContext(Dispatchers.IO) {
         return@withContext runCatching {
 
-            true  // удалить при проверке
+            // true  // удалить при проверке
 
-//            val response = client.get(getUrl(code, Constants.AUTH_URL))
+            val response = client.get(getUrl(code, Constants.AUTH_URL))
-//            response.status
+            response.status
-//            when (response.status) {
+            when (response.status) {
-//                HttpStatusCode.OK -> true
+                HttpStatusCode.OK -> true
-//                else -> error(response.bodyAsText())
+                else -> error(response.bodyAsText())
-//            }
+            }
         }
     }
 
     suspend fun loadData(code: String): Result<UserEntity> = withContext(Dispatchers.IO) {
         return@withContext runCatching {
 
-            Json.decodeFromString<UserEntity>(testJson)   // удалить при проверке
+//            Json.decodeFromString<UserEntity>(testJson)   // удалить при проверке
 
-//            val response = client.get(getUrl(code, Constants.INFO_URL))
+            val response = client.get(getUrl(code, Constants.INFO_URL))
-//            when (response.status) {
+            when (response.status) {
-//                HttpStatusCode.OK -> {
+                HttpStatusCode.OK -> {
-//                   response.body<UserEntity>()
+                   response.body<UserEntity>()
-//                }
+                }
-//                else -> error(response.bodyAsText())
+                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
+//            BookingEntity(Json.decodeFromString<Map<String, List<PlaceInfo>>>(testBookingJson))  // удалить при проверке
 
-//            val response = client.get(getUrl(code, Constants.BOOKING_URL))
+            val response = client.get(getUrl(code, Constants.BOOKING_URL))
-//            when (response.status) {
+            when (response.status) {
-//                HttpStatusCode.OK -> {
+                HttpStatusCode.OK -> {
-//                   BookingEntity(response.body<Map<String, List<PlaceInfo>>>())
+                   BookingEntity(response.body<Map<String, List<PlaceInfo>>>())
-//                }
+                }
-//                else -> error(response.bodyAsText())
+                else -> error(response.bodyAsText())
-//            }
+            }
         }
     }
 

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

@@ -0,0 +1,16 @@
+package ru.myitschool.work.domain.book
+
+import ru.myitschool.work.data.repo.BookRepository
+
+class BookingUseCase(
+    private val repository: BookRepository
+) {
+    suspend operator fun invoke(
+        userCode: String,
+        date: String,
+        placeId: Int,
+        placeName: String
+    ): Result<Unit> {
+        return repository.bookPlace(userCode, date, placeId, placeName)
+    }
+}

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

@@ -46,7 +46,7 @@ class AuthViewModel(application: Application) : AndroidViewModel(application) {
                         onFailure = { error ->
                             error.printStackTrace()
                             _uiState.update { AuthState.Data }
-                            _errorStateValue.value = "Неизвестная ошибка"
+                            _errorStateValue.value = error.message.toString() ?: "Неизвестная ошибка"
                         }
                     )
                 }

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

@@ -3,4 +3,10 @@ package ru.myitschool.work.ui.screen.book
 sealed interface BookIntent {
     object Back: BookIntent
     object LoadBooking: BookIntent
+    object Book : BookIntent
+    data class SelectDate(val date: String) : BookIntent
+    data class SelectPlace(
+        val placeId: Int,
+        val placeName: String
+    ) : BookIntent
 }

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

@@ -3,6 +3,7 @@ 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.border
     import androidx.compose.foundation.layout.Arrangement
     import androidx.compose.foundation.layout.Box
     import androidx.compose.foundation.layout.Column
@@ -17,6 +18,8 @@ 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.selection.selectable
+    import androidx.compose.foundation.shape.CircleShape
     import androidx.compose.foundation.shape.RoundedCornerShape
     import androidx.compose.material3.Button
     import androidx.compose.material3.ButtonColors
@@ -43,6 +46,7 @@ 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.domain.book.entities.PlaceInfo
     import ru.myitschool.work.formatBookingDate
     import ru.myitschool.work.formatDate
     import ru.myitschool.work.ui.BaseButton
@@ -86,9 +90,12 @@ fun BookScreen(
                 }
             }
             is BookState.Data -> {
+                val dataState = state as BookState.Data
                 DataContent(
-                viewModel,
+                    viewModel = viewModel,
-                bookingData = (state as? BookState.Data)?.userBooking
+                    bookingData = dataState.userBooking,
+                    selectedDate = dataState.selectedDate,
+                    selectedPlaceId = dataState.selectedPlaceId
                 )
             }
             is BookState.Error -> ErrorContent(viewModel)
@@ -190,8 +197,17 @@ fun ErrorContent(
     @Composable
     fun DataContent(
         viewModel: BookViewModel,
-    bookingData: BookingEntity?
+        bookingData: BookingEntity,
+        selectedDate: String,
+        selectedPlaceId: Int
     ) {
+
+        val availableDates = bookingData.bookings
+            .filter { it.value.isNotEmpty() }
+            .keys
+            .sorted()
+        val placesForSelectedDate = bookingData.bookings[selectedDate] ?: emptyList()
+
         Column {
             Row(
                 modifier = Modifier
@@ -234,7 +250,13 @@ fun DataContent(
                             fontSize = 16.sp,
                         )
 
-                    BookDateList(bookingData?.bookings?.keys?.toList() ?: emptyList())
+                        BookDateList(
+                            dates = availableDates,
+                            selectedDate = selectedDate,
+                            onDateSelected = { date ->
+                                viewModel.onIntent(BookIntent.SelectDate(date))
+                            }
+                        )
 
                         Text(
                             text = stringResource(R.string.book_choose_place),
@@ -242,14 +264,21 @@ fun DataContent(
                             fontSize = 16.sp,
                         )
 
-                    BookPlaceList()
+                        BookPlaceList(
+                            places = placesForSelectedDate,
+                            selectedPlaceId = selectedPlaceId,
+                            onPlaceSelected = { placeId, placeName ->
+                                viewModel.onIntent(BookIntent.SelectPlace(placeId, placeName))
+                            }
+                        )
                     }
 
                     BaseButton(
+                        enable = selectedPlaceId != -1,
                         text = stringResource(R.string.booking_button),
                         btnColor = Blue,
                         btnContentColor = White,
-                    onClick = { },
+                        onClick = { viewModel.onIntent(BookIntent.Book) },
                         modifier = Modifier
                             .testTag(Book.BOOK_BUTTON)
                             .padding(horizontal = 10.dp)
@@ -265,46 +294,131 @@ fun DataContent(
     }
 
     @Composable
-fun BookPlaceList() {
+    fun BookPlaceList(
-    BookPlaceListElement()
+        places: List<PlaceInfo>,
+        selectedPlaceId: Int,
+        onPlaceSelected: (Int, String) -> Unit
+    ) {
+        Column(
+            modifier = Modifier.padding(vertical = 15.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            if (places.isEmpty()) {
+                Text(
+                    text = "Нет доступных мест для выбранной даты",
+                    color = Color.Gray,
+                    style = Typography.bodyMedium,
+                    modifier = Modifier.padding(vertical = 8.dp)
+                )
+            } else {
+                places.forEachIndexed { index, placeInfo ->
+                    BookPlaceListElement(
+                        placeInfo = placeInfo,
+                        isSelected = placeInfo.id == selectedPlaceId,
+                        onPlaceSelected = { onPlaceSelected(placeInfo.id, placeInfo.place) },
+                        index = index
+                    )
+                }
+            }
+        }
     }
 
     @Composable
-fun BookPlaceListElement() {
+    fun BookPlaceListElement(
-
+        placeInfo: PlaceInfo,
+        isSelected: Boolean,
+        onPlaceSelected: () -> Unit,
+        index: Int
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .selectable(
+                    selected = isSelected,
+                    onClick = onPlaceSelected
+                )
+                .testTag(Book.getIdPlaceItemByPosition(index))
+                .padding(vertical = 12.dp, horizontal = 8.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            BaseText16(
+                text = placeInfo.place,
+                modifier = Modifier.testTag(Book.ITEM_PLACE_TEXT)
+            )
+            Box(
+                modifier = Modifier
+                    .size(24.dp)
+                    .border(
+                        width = 2.dp,
+                        color = if (isSelected) Blue else Color.Gray,
+                        shape = CircleShape
+                    )
+                    .background(
+                        color = if (isSelected) Blue else Color.Transparent,
+                        shape = CircleShape
+                    )
+                    .testTag(Book.ITEM_PLACE_SELECTOR)
+            ) {
+                if (isSelected) {
+                    Box(
+                        modifier = Modifier
+                            .size(12.dp)
+                            .background(Color.White, CircleShape)
+                            .align(Alignment.Center)
+                    )
+                }
+            }
+        }
     }
 
     @Composable
-fun BookDateList(dates: List<String>) {
+    fun BookDateList(
+        dates: List<String>,
+        selectedDate: String,
+        onDateSelected: (String) -> Unit
+    ) {
         FlowRow(
             horizontalArrangement = Arrangement.spacedBy(8.dp),
             verticalArrangement = Arrangement.spacedBy(7.dp),
             modifier = Modifier.padding(vertical = 15.dp)
         ) {
-        dates.forEach { date ->
+            dates.forEachIndexed { index, date ->
-            BookDateListElement(date = date, onClick = {
+                BookDateListElement(
-                // Обработка выбора даты
+                    date = date,
-            })
+                    isSelected = date == selectedDate,
+                    onClick = { onDateSelected(date) },
+                    index = index
+                )
             }
         }
     }
 
     @Composable
-fun BookDateListElement(date: String, onClick: () -> Unit) {
+    fun BookDateListElement(
+        date: String,
+        isSelected: Boolean,
+        onClick: () -> Unit,
+        index: Int
+    ) {
         Button(
             contentPadding = PaddingValues(0.dp),
             modifier = Modifier
-            .testTag(Book.ITEM_DATE)
+                .testTag(Book.getIdDateItemByPosition(index))
                 .padding(0.dp),
-        border = BorderStroke(1.dp, Black),
+            border = BorderStroke(1.dp, if (isSelected) Blue else Black,),
             onClick = onClick,
             colors = ButtonColors(
-            contentColor = Black,
+                contentColor = if (isSelected) White else Black,
-            containerColor = Color.Transparent,
+                containerColor = if (isSelected) Blue else Color.Transparent,
                 disabledContentColor = Black,
                 disabledContainerColor = Color.Transparent),
         ) {
-        val formattedDate = formatBookingDate(date)
+            val formattedDate = date.formatBookingDate()
-        BaseText16(text = formattedDate)
+            BaseText16(
+                text = formattedDate,
+                modifier = Modifier.testTag(Book.ITEM_DATE),
+                color = if (isSelected) White else Black,
+            )
         }
     }

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

@@ -4,7 +4,12 @@ import ru.myitschool.work.domain.book.entities.BookingEntity
 
 sealed interface BookState {
     object Loading: BookState
-    data class Data(val userBooking: BookingEntity): BookState
+    data class Data(
+        val userBooking: BookingEntity,
+        val selectedDate: String = "",
+        val selectedPlaceId: Int = -1,
+        val selectedPlaceName: String = ""
+    ): BookState
     object Error: BookState
     object Empty: BookState
 }

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

@@ -14,15 +14,21 @@ 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.data.repo.MainRepository
+import ru.myitschool.work.domain.book.BookingUseCase
 import ru.myitschool.work.domain.book.LoadBookingUseCase
+import ru.myitschool.work.domain.main.LoadDataUseCase
 import ru.myitschool.work.ui.screen.main.MainAction
 import ru.myitschool.work.ui.screen.main.MainIntent
+import ru.myitschool.work.ui.screen.main.MainState
 import kotlin.text.isEmpty
 
 class BookViewModel(application: Application) : AndroidViewModel(application) {
 
     private val loadBookingUseCase by lazy { LoadBookingUseCase(BookRepository) }
 
+    private val bookingUseCase by lazy { BookingUseCase (BookRepository) }
+
     private val dataStoreManager by lazy {
         (getApplication() as App).dataStoreManager
     }
@@ -35,6 +41,35 @@ class BookViewModel(application: Application) : AndroidViewModel(application) {
         loadBooking()
     }
 
+    private fun bookSelectedPlace() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                val userCode = dataStoreManager.getUserCode().first()
+                val currentState = _uiState.value
+
+                if (currentState is BookState.Data && currentState.selectedPlaceId != -1) {
+                    bookingUseCase.invoke(
+                        userCode = userCode.code,
+                        date = currentState.selectedDate,
+                        placeId = currentState.selectedPlaceId,
+                        placeName = currentState.selectedPlaceName
+                    ).fold(
+                        onSuccess = {
+                            _actionFlow.emit(BookAction.Main)
+                        },
+                        onFailure = { error ->
+                            error.printStackTrace()
+                            _uiState.update { BookState.Error }
+                        }
+                    )
+                }
+            } catch (error: Exception) {
+                error.printStackTrace()
+                _uiState.update { BookState.Error }
+            }
+        }
+    }
+
     private fun loadBooking() {
         viewModelScope.launch(Dispatchers.IO) {
             _uiState.update { BookState.Loading }
@@ -49,11 +84,27 @@ class BookViewModel(application: Application) : AndroidViewModel(application) {
 
                 loadBookingUseCase.invoke(userCode.code).fold(
                     onSuccess = { data ->
-                        if (data.bookings.isEmpty()) {
+                        val availableDates = data.bookings
+                            .filter { it.value.isNotEmpty() }
+                            .keys
+                            .sorted()
+
+                        if (availableDates.isEmpty()) {
                             _uiState.update { BookState.Empty }
+                        } else {
+                            val selectedDate = availableDates.first()
+                            val placesForSelectedDate = data.bookings[selectedDate] ?: emptyList()
+                            val selectedPlaceId = placesForSelectedDate.firstOrNull()?.id ?: -1
+                            val selectedPlaceName = placesForSelectedDate.firstOrNull()?.place ?: ""
+
+                            _uiState.update {
+                                BookState.Data(
+                                    userBooking = data,
+                                    selectedDate = selectedDate,
+                                    selectedPlaceId = selectedPlaceId,
+                                    selectedPlaceName = selectedPlaceName
+                                )
                             }
-                        else {
-                            _uiState.update { BookState.Data(data) }
                         }
                     },
                     onFailure = { error ->
@@ -78,6 +129,37 @@ class BookViewModel(application: Application) : AndroidViewModel(application) {
                 }
             }
 
+            is BookIntent.Book -> bookSelectedPlace()
+
+            is BookIntent.SelectDate -> {
+                val currentState = _uiState.value
+                if (currentState is BookState.Data) {
+                    val placesForDate =
+                        currentState.userBooking.bookings[intent.date] ?: emptyList()
+                    val newSelectedPlaceId = placesForDate.firstOrNull()?.id ?: -1
+                    val newSelectedPlaceName = placesForDate.firstOrNull()?.place ?: ""
+
+                    _uiState.update {
+                        currentState.copy(
+                            selectedDate = intent.date,
+                            selectedPlaceId = newSelectedPlaceId,
+                            selectedPlaceName = newSelectedPlaceName
+                        )
+                    }
+                }
+            }
+
+            is BookIntent.SelectPlace -> {
+                val currentState = _uiState.value
+                if (currentState is BookState.Data) {
+                    _uiState.update {
+                        currentState.copy(
+                            selectedPlaceId = intent.placeId,
+                            selectedPlaceName = intent.placeName
+                        )
+                    }
+                }
+            }
         }
     }
 }

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

@@ -1,9 +1,12 @@
 package ru.myitschool.work
 
+import java.text.SimpleDateFormat
+import java.util.Locale
+
 fun String.formatDate(): String {
     return try {
-        val inputFormat = java.text.SimpleDateFormat("yyyy-MM-dd", java.util.Locale.getDefault())
+        val inputFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
-        val outputFormat = java.text.SimpleDateFormat("dd.MM.yyyy", java.util.Locale.getDefault())
+        val outputFormat = SimpleDateFormat("dd.MM.yyyy", Locale.getDefault())
         val date = inputFormat.parse(this)
         outputFormat.format(date)
     } catch (e: Exception) {
@@ -11,15 +14,13 @@ fun String.formatDate(): String {
     }
 }
 
-fun formatBookingDate(dateString: String): String {
+fun String.formatBookingDate(): String {
     return try {
-        val parts = dateString.split("-")
+        val inputFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
-        if (parts.size == 3) {
+        val outputFormat = SimpleDateFormat("dd.MM", Locale.getDefault())
-            "${parts[2]}.${parts[1]}"
+        val date = inputFormat.parse(this)
-        } else {
+        outputFormat.format(date)
-            dateString
-        }
     } catch (e: Exception) {
-        dateString
+        this
     }
 }