рефакторинг

app/src/main/java/com/example/myapplication/MainComposeActivity.kt

@@ -3,16 +3,12 @@ package com.example.myapplication
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
-import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import com.example.myapplication.composeui.Authenticator
 import com.example.myapplication.composeui.navigation.MainNavbar
 import com.example.myapplication.datastore.DataStoreManager

app/src/main/java/com/example/myapplication/api/LocalDateTimeSerializer.kt

@@ -1,18 +1,18 @@
 package com.example.myapplication.api
 
-import androidx.room.TypeConverters
-import com.example.myapplication.database.entities.model.LocalDateTimeConverter
-import kotlinx.serialization.*
-import kotlinx.serialization.descriptors.*
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 import org.threeten.bp.LocalDateTime
-import org.threeten.bp.DateTimeUtils.toLocalDateTime
 import org.threeten.bp.format.DateTimeFormatter
 
-@Serializer(forClass = LocalDateTime::class)
+@kotlinx.serialization.ExperimentalSerializationApi
 object LocalDateTimeSerializer : KSerializer<LocalDateTime> {
-    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("LocalDateTime", PrimitiveKind.STRING)
+    override val descriptor: SerialDescriptor =
+        PrimitiveSerialDescriptor("LocalDateTime", PrimitiveKind.STRING)
 
     override fun serialize(encoder: Encoder, value: LocalDateTime) {
         val dateFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm")

app/src/main/java/com/example/myapplication/api/MyServerService.kt

@@ -1,8 +1,8 @@
 package com.example.myapplication.api
 
 import com.example.myapplication.api.cinema.CinemaRemote
-import com.example.myapplication.api.order.OrderRemote
 import com.example.myapplication.api.cinema.CinemaWithSessionsRemote
+import com.example.myapplication.api.order.OrderRemote
 import com.example.myapplication.api.session.ReportRemote
 import com.example.myapplication.api.session.SessionFromCinemaRemote
 import com.example.myapplication.api.session.SessionRemote
@@ -11,6 +11,7 @@ import com.example.myapplication.api.user.UserRemote
 import com.example.myapplication.api.user.UserSessionRemote
 import com.example.myapplication.api.user.UserSessionWithSessionRemote
 import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.modules.SerializersModule
 import kotlinx.serialization.modules.contextual
@@ -31,9 +32,6 @@ interface MyServerService {
     @GET("orders")
     suspend fun getOrders(): List<OrderRemote>
 
-    @GET("users")
-    suspend fun getUsers(): List<UserRemote>
-
     @GET("cinemas")
     suspend fun getCinemas(
         @Query("_page") page: Int,
@@ -163,6 +161,7 @@ interface MyServerService {
         @Volatile
         private var INSTANCE: MyServerService? = null
 
+        @OptIn(ExperimentalSerializationApi::class)
         fun getInstance(): MyServerService {
             return INSTANCE ?: synchronized(this) {
                 val logger = HttpLoggingInterceptor()

app/src/main/java/com/example/myapplication/api/order/OrderRemoteMediator.kt

@@ -52,8 +52,10 @@ class OrderRemoteMediator(
         }
 
         try {
-            val orders = service.getOrders(LiveStore.user.value?.uid ?: 0,
-                page, state.config.pageSize).map { it.toOrder() }
+            val orders = service.getOrders(
+                LiveStore.user.value?.uid ?: 0,
+                page, state.config.pageSize
+            ).map { it.toOrder() }
             val endOfPaginationReached = orders.isEmpty()
             database.withTransaction {
                 if (loadType == LoadType.REFRESH) {

app/src/main/java/com/example/myapplication/api/order/RestOrderRepository.kt

@@ -1,19 +1,16 @@
 package com.example.myapplication.api.order
 
-import android.util.Log
 import androidx.paging.ExperimentalPagingApi
 import androidx.paging.Pager
 import androidx.paging.PagingConfig
 import androidx.paging.PagingData
 import com.example.myapplication.api.MyServerService
-import com.example.myapplication.api.cinema.toCinemaRemote
 import com.example.myapplication.api.session.toSessionFromOrder
 import com.example.myapplication.database.AppContainer
 import com.example.myapplication.database.AppDatabase
 import com.example.myapplication.database.entities.model.Order
 import com.example.myapplication.database.entities.model.OrderSessionCrossRef
 import com.example.myapplication.database.entities.model.SessionFromOrder
-import com.example.myapplication.database.entities.repository.OfflineCinemaRepository
 import com.example.myapplication.database.entities.repository.OfflineOrderRepository
 import com.example.myapplication.database.entities.repository.OfflineOrderSessionRepository
 import com.example.myapplication.database.entities.repository.OrderRepository
@@ -23,14 +20,11 @@ import kotlinx.coroutines.flow.Flow
 class RestOrderRepository(
     private val service: MyServerService,
     private val dbOrderRepository: OfflineOrderRepository,
-    private val dbCinemaRepository: OfflineCinemaRepository,
     private val dbOrderSessionRepository: OfflineOrderSessionRepository,
     private val dbRemoteKeyRepository: OfflineRemoteKeyRepository,
     private val database: AppDatabase
 ) : OrderRepository {
-    override fun getAllOrders(userId: Int?): Flow<PagingData<Order>> {
-        Log.d(RestOrderRepository::class.simpleName, "Get orders")
-
+    override fun getAllOrders(userId: Int): Flow<PagingData<Order>> {
         val pagingSourceFactory = { dbOrderRepository.getAllOrdersPagingSource(userId) }
 
         @OptIn(ExperimentalPagingApi::class)

app/src/main/java/com/example/myapplication/api/ordersession/RestOrderSessionRepository.kt

@@ -2,7 +2,6 @@ package com.example.myapplication.api.ordersession
 
 import com.example.myapplication.api.MyServerService
 import com.example.myapplication.api.session.SessionFromOrderRemote
-import com.example.myapplication.api.session.toSession
 import com.example.myapplication.database.entities.model.OrderSessionCrossRef
 import com.example.myapplication.database.entities.repository.OfflineOrderSessionRepository
 import com.example.myapplication.database.entities.repository.OrderSessionRepository

app/src/main/java/com/example/myapplication/api/session/SessionFromCartRemote.kt

@@ -1,20 +0,0 @@
-package com.example.myapplication.api.session
-
-import com.example.myapplication.api.cinema.CinemaRemote
-import com.example.myapplication.api.cinema.toCinema
-import com.example.myapplication.database.entities.model.SessionFromCart
-import kotlinx.serialization.Contextual
-import kotlinx.serialization.Serializable
-import org.threeten.bp.LocalDateTime
-
-@Serializable
-class SessionFromCartRemote(
-    val id: Int = 0,
-    var count: Int = 0,
-    var cinemaId: Int = 0,
-)
-
-fun SessionFromCartRemote.toSessionFromCart(cinema: CinemaRemote, dateTime: LocalDateTime, price: Double, availableCount: Int): SessionFromCart =
-    SessionFromCart(
-        id, dateTime, price, availableCount, count, cinema.id, cinema.toCinema()
-    )

app/src/main/java/com/example/myapplication/api/session/SessionFromOrderRemote.kt

@@ -10,7 +10,8 @@ import org.threeten.bp.LocalDateTime
 @Serializable
 class SessionFromOrderRemote(
     val id: Int = 0,
-    @Contextual val dateTime: LocalDateTime = LocalDateTime.MIN,
+    @Contextual
+    val dateTime: LocalDateTime = LocalDateTime.MIN,
     val frozenPrice: Double = 0.0,
     val count: Int = 0,
     val cinemaId: Int = 0,

app/src/main/java/com/example/myapplication/api/session/SessionRemote.kt

@@ -1,7 +1,5 @@
 package com.example.myapplication.api.session
 
-import com.example.myapplication.api.cinema.CinemaRemote
-import com.example.myapplication.api.cinema.toCinema
 import com.example.myapplication.database.entities.model.Session
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.Serializable

app/src/main/java/com/example/myapplication/api/user/RestUserRepository.kt

@@ -3,8 +3,6 @@ package com.example.myapplication.api.user
 import android.util.Log
 import com.example.myapplication.api.MyServerService
 import com.example.myapplication.api.cinema.toCinema
-import com.example.myapplication.api.cinema.toCinemaRemote
-import com.example.myapplication.api.session.toSessionFromCart
 import com.example.myapplication.database.entities.model.SessionFromCart
 import com.example.myapplication.database.entities.model.User
 import com.example.myapplication.database.entities.model.UserSessionCrossRef
@@ -44,7 +42,8 @@ class RestUserRepository(
             it.toSessionFromCart(
                 it.session.maxCount - service.getOrders().flatMap { order ->
                     order.sessions.filter { session -> session.id == it.id }
-                }.sumOf { session -> session.count }, cinema.toCinema())
+                }.sumOf { session -> session.count }, cinema.toCinema()
+            )
         }
     }
 

app/src/main/java/com/example/myapplication/api/user/UserRemote.kt

@@ -1,8 +1,5 @@
 package com.example.myapplication.api.user
 
-import com.example.myapplication.api.session.SessionFromCartRemote
-import com.example.myapplication.api.session.SessionRemote
-import com.example.myapplication.database.entities.model.Session
 import com.example.myapplication.database.entities.model.User
 import com.example.myapplication.database.entities.model.UserRole
 import kotlinx.serialization.Serializable

app/src/main/java/com/example/myapplication/api/user/UserSessionRemote.kt

@@ -1,9 +1,5 @@
 package com.example.myapplication.api.user
 
-import com.example.myapplication.api.session.SessionRemote
-import com.example.myapplication.database.entities.model.Cinema
-import com.example.myapplication.database.entities.model.SessionFromCart
-import com.example.myapplication.database.entities.model.User
 import kotlinx.serialization.Serializable
 
 @Serializable

app/src/main/java/com/example/myapplication/api/user/UserSessionWithSessionRemote.kt

@@ -14,7 +14,10 @@ data class UserSessionWithSessionRemote (
     val session: SessionRemote,
 )
 
-fun UserSessionWithSessionRemote.toSessionFromCart(availableCount: Int = 0, cinema: Cinema): SessionFromCart = SessionFromCart(
+fun UserSessionWithSessionRemote.toSessionFromCart(
+    availableCount: Int = 0,
+    cinema: Cinema
+): SessionFromCart = SessionFromCart(
     sessionId,
     session.dateTime,
     session.price,

app/src/main/java/com/example/myapplication/api/usersession/RestUserSessionRepository.kt

@@ -1,8 +1,6 @@
 package com.example.myapplication.api.usersession
 
 import com.example.myapplication.api.MyServerService
-import com.example.myapplication.api.session.SessionFromCartRemote
-import com.example.myapplication.api.session.toSession
 import com.example.myapplication.api.user.UserSessionRemote
 import com.example.myapplication.database.entities.model.UserSessionCrossRef
 import com.example.myapplication.database.entities.repository.OfflineUserSessionRepository
@@ -18,17 +16,22 @@ class RestUserSessionRepository(
             if (session.sessionId == userSessionCrossRef.sessionId)
                 return
         }
-        service.createUserSession(UserSessionRemote(id = 0,
+        service.createUserSession(
+            UserSessionRemote(
+                id = 0,
                 userId = userSessionCrossRef.userId,
                 sessionId = userSessionCrossRef.sessionId,
                 count = userSessionCrossRef.count
-        ))
+            )
+        )
         dbUserSessionRepository.insertUserSession(userSessionCrossRef)
     }
 
     override suspend fun updateUserSession(userSessionCrossRef: UserSessionCrossRef) {
-        val userSessionRemote = service.getUserSession(userSessionCrossRef.userId,
-            userSessionCrossRef.sessionId).first()
+        val userSessionRemote = service.getUserSession(
+            userSessionCrossRef.userId,
+            userSessionCrossRef.sessionId
+        ).first()
         if (userSessionCrossRef.count <= 0) {
             service.deleteUserSession(userSessionRemote.id)
             dbUserSessionRepository.deleteUserSession(userSessionCrossRef)
@@ -40,8 +43,10 @@ class RestUserSessionRepository(
     }
 
     override suspend fun deleteUserSession(userSessionCrossRef: UserSessionCrossRef) {
-        val userSessionRemote = service.getUserSession(userSessionCrossRef.userId,
-            userSessionCrossRef.sessionId).first()
+        val userSessionRemote = service.getUserSession(
+            userSessionCrossRef.userId,
+            userSessionCrossRef.sessionId
+        ).first()
         service.deleteUserSession(userSessionRemote.id)
         dbUserSessionRepository.deleteUserSession(userSessionCrossRef)
     }

app/src/main/java/com/example/myapplication/composeui/Authenticator.kt

@@ -3,7 +3,6 @@ package com.example.myapplication.composeui
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.ui.platform.LocalContext
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.example.myapplication.LiveStore
 import com.example.myapplication.database.entities.composeui.AppViewModelProvider

app/src/main/java/com/example/myapplication/composeui/Cart.kt

@@ -2,8 +2,6 @@ package com.example.myapplication.composeui
 
 import android.content.res.Configuration
 import android.graphics.BitmapFactory
-import androidx.compose.animation.animateColorAsState
-import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
@@ -11,7 +9,6 @@ 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.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
@@ -20,33 +17,23 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
-import androidx.compose.material.icons.outlined.Delete
 import androidx.compose.material3.Button
 import androidx.compose.material3.DismissDirection
 import androidx.compose.material3.DismissState
-import androidx.compose.material3.DismissValue
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
-import androidx.compose.material3.SwipeToDismiss
 import androidx.compose.material3.Text
 import androidx.compose.material3.rememberDismissState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableIntStateOf
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.draw.scale
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.vectorResource

app/src/main/java/com/example/myapplication/composeui/CartViewModel.kt

@@ -15,7 +15,6 @@ import com.example.myapplication.database.entities.repository.OrderSessionReposi
 import com.example.myapplication.database.entities.repository.UserRepository
 import com.example.myapplication.database.entities.repository.UserSessionRepository
 import org.threeten.bp.LocalDateTime
-import java.util.LinkedList
 
 class CartViewModel(
     private val userSessionRepository: UserSessionRepository,
@@ -23,28 +22,14 @@ class CartViewModel(
     private val orderSessionRepository: OrderSessionRepository,
     private val userRepository: UserRepository,
 ) : ViewModel() {
-    private val requestQueue: LinkedList<suspend () -> Unit> = LinkedList()
-    private var isProcessingQueue: Boolean = false
-
-    private suspend fun processQueue() {
-        isProcessingQueue = true
-        while (requestQueue.isNotEmpty()) {
-            val request = requestQueue.poll()
-            request.invoke()
-            refreshState()
-        }
-        isProcessingQueue = false
-    }
-
-    var isLoading: Boolean = false
+    private var isLoading: Boolean = false
     var cartUiState by mutableStateOf(CartUiState())
         private set
 
     suspend fun refreshState() {
-        val userId: Int = LiveStore.user.value?.uid ?: return
+        val userId: Int = LiveStore.user.value?.uid ?: 0
         val cart = userRepository.getCartByUser(userId)
         cartUiState = CartUiState(cart)
-        isLoading = false
     }
 
     suspend fun addToOrder(sessions: List<SessionFromCart>) {
@@ -70,22 +55,14 @@ class CartViewModel(
     }
 
     suspend fun removeFromCart(session: Session, count: Int = 0) {
-        if (isLoading)
-            return
-        isLoading = true
         val userId: Int = LiveStore.user.value?.uid ?: return
         userSessionRepository.deleteUserSession(UserSessionCrossRef(userId, session.uid, count))
         refreshState()
     }
 
-    suspend fun updateFromCart(session: Session, count: Int, availableCount: Int)
-            : Boolean {
-        if (isLoading)
-            return false
-        isLoading = true
+    suspend fun updateFromCart(session: Session, count: Int, availableCount: Int): Boolean {
         val userId: Int = LiveStore.user.value?.uid ?: return false
         if (count == 0) {
-            isLoading = false
             removeFromCart(session, count)
             return false
         }

app/src/main/java/com/example/myapplication/composeui/Report.kt

@@ -111,7 +111,7 @@ fun CardScreen(reportData: List<ReportRemote>) {
                 Text(text = "Фильм: $cinemaName")
                 Text(text = "Сеанс: ${dateFormatter.format(ticketDateTime)}")
                 Text(text = "Стоимость: $ticketPrice")
-                Text(text = "Максимальное количество билетов: $ticketQuantity")
+                Text(text = "Максимальное кол-во билетов: $ticketQuantity")
                 Text(text = "Купили: $ticketsPurchased")
                 Text(text = "Выручка: $revenue")
             }

app/src/main/java/com/example/myapplication/database/AppContainer.kt

@@ -80,7 +80,6 @@ class AppDataContainer(private val context: Context) : AppContainer {
         RestOrderRepository(
             MyServerService.getInstance(),
             orderRepository,
-            cinemaRepository,
             orderSessionRepository,
             remoteKeyRepository,
             AppDatabase.getInstance(context)

app/src/main/java/com/example/myapplication/database/AppDatabase.kt

@@ -25,7 +25,6 @@ import com.example.myapplication.database.remotekeys.model.RemoteKeys
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import org.threeten.bp.LocalDateTime
 import java.io.ByteArrayOutputStream
 
 @Database(

app/src/main/java/com/example/myapplication/database/entities/composeui/AppViewModelProvider.kt

@@ -6,7 +6,6 @@ import androidx.lifecycle.viewmodel.CreationExtras
 import androidx.lifecycle.viewmodel.initializer
 import androidx.lifecycle.viewmodel.viewModelFactory
 import com.example.myapplication.CinemaApplication
-import com.example.myapplication.composeui.Authenticator
 import com.example.myapplication.composeui.AuthenticatorViewModel
 import com.example.myapplication.composeui.CartViewModel
 import com.example.myapplication.composeui.ReportViewModel

app/src/main/java/com/example/myapplication/database/entities/composeui/CinemaList.kt

@@ -1,7 +1,6 @@
 package com.example.myapplication.database.entities.composeui
 
 import android.graphics.BitmapFactory
-import android.util.Log
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
@@ -27,7 +26,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment

app/src/main/java/com/example/myapplication/database/entities/composeui/CinemaListViewModel.kt

@@ -1,16 +1,10 @@
 package com.example.myapplication.database.entities.composeui
 
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
-import androidx.paging.Pager
-import androidx.paging.PagingConfig
 import androidx.paging.PagingData
 import com.example.myapplication.database.entities.model.Cinema
 import com.example.myapplication.database.entities.repository.CinemaRepository
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.emptyFlow
 
 class CinemaListViewModel(
     private val cinemaRepository: CinemaRepository

app/src/main/java/com/example/myapplication/database/entities/composeui/OrderList.kt

@@ -10,15 +10,13 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
@@ -28,6 +26,7 @@ import androidx.navigation.NavController
 import androidx.paging.compose.collectAsLazyPagingItems
 import androidx.paging.compose.itemContentType
 import androidx.paging.compose.itemKey
+import com.example.myapplication.LiveStore
 import com.example.myapplication.composeui.navigation.Screen
 import com.example.myapplication.ui.theme.PmudemoTheme
 import org.threeten.bp.format.DateTimeFormatter
@@ -37,15 +36,21 @@ fun OrderList(
     navController: NavController?,
     viewModel: OrderListViewModel = viewModel(factory = AppViewModelProvider.Factory)
 ) {
+    val user = LiveStore.user.observeAsState()
     val ordersUiState = viewModel.orderListUiState.collectAsLazyPagingItems()
+    LaunchedEffect(user.value?.uid) {
+        viewModel.refreshState(user.value?.uid ?: 0)
+    }
     LazyColumn(
         modifier = Modifier
             .fillMaxSize()
             .padding(all = 10.dp)
     ) {
-        items(count = ordersUiState.itemCount,
+        items(
+            count = ordersUiState.itemCount,
             key = ordersUiState.itemKey(),
-            contentType = ordersUiState.itemContentType()) { index ->
+            contentType = ordersUiState.itemContentType()
+        ) { index ->
             val order = ordersUiState[index]
             val dateFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm")
             val orderId = Screen.OrderView.route.replace("{id}", order!!.uid.toString())
@@ -67,7 +72,10 @@ fun OrderList(
                     verticalAlignment = Alignment.CenterVertically,
                     horizontalArrangement = Arrangement.spacedBy(8.dp)
                 ) {
-                    Text("Заказ №${order.uid}, ${formattedDate}", color = MaterialTheme.colorScheme.onSecondary)
+                    Text(
+                        "Заказ №${order.uid}, ${formattedDate}",
+                        color = MaterialTheme.colorScheme.onSecondary
+                    )
                 }
             }
         }

app/src/main/java/com/example/myapplication/database/entities/composeui/OrderListViewModel.kt

@@ -1,18 +1,18 @@
 package com.example.myapplication.database.entities.composeui
 
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.lifecycle.ViewModel
 import androidx.paging.PagingData
-import com.example.myapplication.LiveStore
 import com.example.myapplication.database.entities.model.Order
 import com.example.myapplication.database.entities.repository.OrderRepository
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
 
 class OrderListViewModel(
     private val orderRepository: OrderRepository
 ) : ViewModel() {
-    val orderListUiState: Flow<PagingData<Order>> =
-        orderRepository.getAllOrders(LiveStore.user.value?.uid ?: 0)
-}
+    var orderListUiState: Flow<PagingData<Order>> = emptyFlow()
 
-data class OrderListUiState(val orderList: List<Order> = listOf())
+    fun refreshState(userId: Int = 0) {
+        orderListUiState = orderRepository.getAllOrders(userId)
+    }
+}

app/src/main/java/com/example/myapplication/database/entities/composeui/OrderViewModel.kt

@@ -4,7 +4,6 @@ import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.example.myapplication.database.AppContainer
-import com.example.myapplication.database.AppDataContainer
 import com.example.myapplication.database.entities.model.SessionFromOrder
 import com.example.myapplication.database.entities.repository.OrderRepository
 import kotlinx.coroutines.flow.SharingStarted
@@ -19,7 +18,8 @@ class OrderViewModel(
 ) : ViewModel() {
     private val orderUid: Int = checkNotNull(savedStateHandle["id"])
 
-    val orderUiState: StateFlow<OrderUiState> = flow{emit(orderRepository.getOrder(orderUid))} .map {
+    val orderUiState: StateFlow<OrderUiState> =
+        flow { emit(orderRepository.getOrder(orderUid)) }.map {
             OrderUiState(it)
         }.stateIn(
             scope = viewModelScope,

app/src/main/java/com/example/myapplication/database/entities/composeui/UserProfile.kt

@@ -34,7 +34,6 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import com.example.myapplication.LiveStore
-import com.example.myapplication.composeui.navigation.Screen
 import com.example.myapplication.datastore.DataStoreManager
 import kotlinx.coroutines.launch
 
@@ -173,7 +172,7 @@ fun UserProfile(
                             onClick = {
                                 coroutine.launch {
                                     if (viewModel.signIn(dataStoreManager)) {
-                                        navController.navigate(Screen.CinemaList.route)
+                                        navController.popBackStack()
                                     }
                                 }
                             },

app/src/main/java/com/example/myapplication/database/entities/composeui/UserProfileViewModel.kt

@@ -1,6 +1,5 @@
 package com.example.myapplication.database.entities.composeui
 
-import android.content.Context
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
@@ -68,7 +67,8 @@ class UserProfileViewModel(
         } else if (details.password.isBlank()) {
             R.string.err_02
         } else if (details.passwordConfirm.isBlank()
-            || details.password != details.passwordConfirm) {
+            || details.password != details.passwordConfirm
+        ) {
             R.string.err_05
         } else {
             null

app/src/main/java/com/example/myapplication/database/entities/composeui/edit/CinemaEditViewModel.kt

@@ -10,8 +10,6 @@ import com.example.myapplication.database.entities.model.Cinema
 import com.example.myapplication.database.entities.model.CinemaWithSessions
 import com.example.myapplication.database.entities.model.SessionFromCinema
 import com.example.myapplication.database.entities.repository.CinemaRepository
-import kotlinx.coroutines.flow.filterNotNull
-import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 
 class CinemaEditViewModel(

app/src/main/java/com/example/myapplication/database/entities/composeui/edit/SessionEditViewModel.kt

@@ -8,8 +8,6 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.example.myapplication.database.entities.model.Session
 import com.example.myapplication.database.entities.repository.SessionRepository
-import kotlinx.coroutines.flow.filterNotNull
-import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 import org.threeten.bp.LocalDateTime
 

app/src/main/java/com/example/myapplication/database/entities/model/Order.kt

@@ -2,7 +2,6 @@ package com.example.myapplication.database.entities.model
 
 import androidx.room.ColumnInfo
 import androidx.room.Entity
-import androidx.room.ForeignKey
 import androidx.room.PrimaryKey
 import org.threeten.bp.LocalDateTime
 

app/src/main/java/com/example/myapplication/database/entities/repository/CinemaRepository.kt

@@ -1,7 +1,6 @@
 package com.example.myapplication.database.entities.repository
 
 import androidx.paging.PagingData
-import androidx.paging.PagingSource
 import com.example.myapplication.database.entities.model.Cinema
 import com.example.myapplication.database.entities.model.CinemaWithSessions
 import kotlinx.coroutines.flow.Flow

app/src/main/java/com/example/myapplication/database/entities/repository/OfflineOrderRepository.kt

@@ -11,7 +11,7 @@ import com.example.myapplication.database.entities.model.SessionFromOrder
 import kotlinx.coroutines.flow.Flow
 
 class OfflineOrderRepository(private val orderDao: OrderDao) : OrderRepository {
-    override fun getAllOrders(userId: Int?): Flow<PagingData<Order>> = Pager(
+    override fun getAllOrders(userId: Int): Flow<PagingData<Order>> = Pager(
         config = PagingConfig(
             pageSize = AppContainer.LIMIT,
             enablePlaceholders = false

app/src/main/java/com/example/myapplication/database/entities/repository/OrderRepository.kt

@@ -6,7 +6,7 @@ import com.example.myapplication.database.entities.model.SessionFromOrder
 import kotlinx.coroutines.flow.Flow
 
 interface OrderRepository {
-    fun getAllOrders(userId: Int?): Flow<PagingData<Order>>
+    fun getAllOrders(userId: Int): Flow<PagingData<Order>>
     suspend fun getOrder(uid: Int): List<SessionFromOrder>
     suspend fun insertOrder(order: Order): Long
 }

app/src/main/java/com/example/myapplication/database/entities/repository/SessionRepository.kt

@@ -1,7 +1,6 @@
 package com.example.myapplication.database.entities.repository
 
 import com.example.myapplication.database.entities.model.Session
-import kotlinx.coroutines.flow.Flow
 
 interface SessionRepository {
     suspend fun getSession(uid: Int): Session

app/src/main/java/com/example/myapplication/datastore/DataStoreManager.kt

@@ -3,15 +3,12 @@ package com.example.myapplication.datastore
 import android.content.Context
 import androidx.datastore.core.DataStore
 import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.core.booleanPreferencesKey
 import androidx.datastore.preferences.core.edit
 import androidx.datastore.preferences.core.stringPreferencesKey
 import androidx.datastore.preferences.preferencesDataStore
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 
-private val Context.dataStore: DataStore<Preferences> by preferencesDataStore("data_store")
-
 class DataStoreManager(private val context: Context) {
 
     companion object {