Вроде сделал что то типо шуточной привязки

app/build.gradle.kts

@@ -57,6 +57,8 @@ dependencies {
     implementation("androidx.navigation:navigation-compose:2.7.4")
     implementation("androidx.compose.material:material:1.5.4")
 
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9")
+
     implementation("androidx.room:room-ktx:2.6.0")
     kapt("androidx.room:room-compiler:2.6.0")
     implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2")

app/src/main/java/com/example/labwork/button_navigation/MainScreen.kt

@@ -20,7 +20,7 @@ fun MainScreen(bicycleDao: BicycleDao, userDao: UserDao) {
         OfflineBicycleRepository(bicycleDao)
     }
     val offlineUserRepository = remember {
-        OfflineUserRepository(userDao)
+        OfflineUserRepository(userDao, bicycleDao)
     }
 
     Scaffold(

app/src/main/java/com/example/labwork/button_navigation/Screens.kt

@@ -40,8 +40,8 @@ fun ScreenInfo() {
 }
 
 @Composable
-fun ScreenProfile(userViewModel: UserViewModel, navHostController: NavHostController) {
+fun ScreenProfile(userViewModel: UserViewModel, navHostController: NavHostController, bicycleViewModel: BicycleViewModel) {
-    RegisteryOrLogin(userViewModel, navHostController)
+    RegisteryOrLogin(userViewModel, navHostController, bicycleViewModel)
 }
 
 @Composable

app/src/main/java/com/example/labwork/button_navigation/SlideGraph.kt

@@ -29,7 +29,7 @@ fun SlideGraph(
 
     NavHost(navController = navHostController, startDestination = "Profile") {
         composable("Profile") {
-            ScreenProfile(userViewModel, navHostController = navHostController)
+            ScreenProfile(userViewModel, bicycleViewModel = bicycleViewModel, navHostController = navHostController)
         }
         composable("Info") {
             ScreenInfo()

app/src/main/java/com/example/labwork/pages/user/LoginPage.kt

@@ -37,6 +37,7 @@ import androidx.navigation.NavHostController
 import com.example.labwork.R
 import com.example.labwork.models.User
 import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.BicycleViewModel
 import com.example.labwork.viewmodel.UserViewModel
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -47,7 +48,8 @@ import kotlinx.coroutines.launch
 fun LoginPage(
     navController: NavController,
     navHostController: NavHostController,
-    userViewModel: UserViewModel
+    userViewModel: UserViewModel,
+    bicycleViewModel: BicycleViewModel
 ) {
     var email by remember { mutableStateOf("") }
     var password by remember { mutableStateOf("") }
@@ -57,7 +59,7 @@ fun LoginPage(
 
     if (acceptLogin == true) {
         user?.let { userProfile ->
-            ProfileForm(item = userProfile, userViewModel = userViewModel, navHostController = navHostController)
+            ProfileForm(item = userProfile, userViewModel = userViewModel, navHostController = navHostController, bicycleViewModel = bicycleViewModel)
         }
     }
 

app/src/main/java/com/example/labwork/pages/user/ProfileForm.kt

@@ -5,18 +5,23 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.ClickableText
 import androidx.compose.material.Button
 import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.DropdownMenuItem
 import androidx.compose.material.Text
 import androidx.compose.material.TextField
 import androidx.compose.material.TextFieldDefaults
+import androidx.compose.material3.DropdownMenu
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -27,12 +32,20 @@ import com.example.labwork.database.DAO.UserDao
 import com.example.labwork.models.Bicycle
 import com.example.labwork.models.User
 import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.BicycleViewModel
 import com.example.labwork.viewmodel.UserViewModel
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 
 @Composable
-fun ProfileForm(item: User, userViewModel: UserViewModel, navHostController: NavHostController) {
+fun ProfileForm(item: User, userViewModel: UserViewModel, navHostController: NavHostController, bicycleViewModel: BicycleViewModel) {
+
+    val bicycles by bicycleViewModel.bicycles.collectAsState(emptyList())
+
+    var selectedBicycleId by remember { mutableStateOf<Int?>(null) }
+    val selectedBicycle = bicycles.find { it.id == selectedBicycleId }
+    val expandedDropdown = remember { mutableStateOf(false) }
+
     var email by remember { mutableStateOf(item.email) }
     var name by remember { mutableStateOf(item.name) }
     var password by remember { mutableStateOf(item.password) }
@@ -70,6 +83,38 @@ fun ProfileForm(item: User, userViewModel: UserViewModel, navHostController: Nav
             colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
         )
 
+        Button(
+            onClick = { expandedDropdown.value = true },
+            modifier = Modifier.padding(9.dp),
+            shape = RoundedCornerShape(15.dp),
+            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+        ) {
+            Text(
+                text = AnnotatedString(selectedBicycle?.brand ?: "Выберите велосипед"),
+                color = Color.White,
+                fontSize = 10.sp,
+                textAlign = TextAlign.Center
+            )
+        }
+
+        DropdownMenu(
+            expanded = expandedDropdown.value,
+            onDismissRequest = { expandedDropdown.value = false }
+        ) {
+            bicycles.forEach { bicycle ->
+                DropdownMenuItem(
+                    onClick = {
+                        selectedBicycleId = bicycle.id
+                        expandedDropdown.value = false
+                        println(item.id)
+                        println(bicycle.id)
+                    }
+                ) {
+                    Text(text = "${bicycle.brand} ${bicycle.model}")
+                }
+            }
+        }
+
         Button(
             colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
             modifier = Modifier
@@ -77,6 +122,7 @@ fun ProfileForm(item: User, userViewModel: UserViewModel, navHostController: Nav
                 .padding(9.dp),
             onClick = {
                 userViewModel.updateUser(User(item.id!!, email, name, password))
+                userViewModel.updateBicycleUserId(selectedBicycleId!!, item.id) // Обновление userId для Bicycle
                 navHostController.navigate("ListProduct")
             },
             shape = RoundedCornerShape(15.dp)

app/src/main/java/com/example/labwork/pages/user/RegOrLog.kt

@@ -38,15 +38,16 @@ import com.example.labwork.R
 import com.example.labwork.database.DAO.BicycleDao
 import com.example.labwork.database.DAO.UserDao
 import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.BicycleViewModel
 import com.example.labwork.viewmodel.UserViewModel
 
 @Composable
-fun RegisteryOrLogin(userViewModel: UserViewModel, navHostController: NavHostController) {
+fun RegisteryOrLogin(userViewModel: UserViewModel, navHostController: NavHostController, bicycleViewModel: BicycleViewModel) {
     val navController = rememberNavController()
 
     NavHost(navController, startDestination = "login") {
         composable("login") {
-            LoginPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController)
+            LoginPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController, bicycleViewModel = bicycleViewModel)
         }
         composable("register") {
             RegisteryPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController)

app/src/main/java/com/example/labwork/repository/OfflineUserRepository.kt

@@ -1,9 +1,11 @@
 package com.example.labwork.repository
 
+import com.example.labwork.database.DAO.BicycleDao
 import com.example.labwork.database.DAO.UserDao
+import com.example.labwork.models.Bicycle
 import com.example.labwork.models.User
 
-class OfflineUserRepository(private val userDao: UserDao) : UserRepository {
+class OfflineUserRepository(private val userDao: UserDao, private val bicycleDao: BicycleDao) : UserRepository {
     override suspend fun getAllUsers(): List<User> {
         return userDao.getAllUsers()
     }
@@ -31,5 +33,13 @@ class OfflineUserRepository(private val userDao: UserDao) : UserRepository {
     override suspend fun getUserByEmailAndPassword(email: String, password: String): User? {
         return userDao.getUserByEmailAndPassword(email, password)
     }
+
+    suspend fun getBicycleById(bicycleId: Int): Bicycle? {
+        return bicycleDao.getBicycleById(bicycleId)
+    }
+
+    suspend fun updateBicycle(bicycle: Bicycle) {
+        bicycleDao.updateBicycle(bicycle)
+    }
 }
 

app/src/main/java/com/example/labwork/viewmodel/BicycleViewModel.kt

@@ -37,6 +37,11 @@ class BicycleViewModel(private val offlineBicycleRepository: OfflineBicycleRepos
             (bicycles as MutableStateFlow).value = fetchedBicycles
         }
     }
+    fun fetchAllBicycles() {
+        viewModelScope.launch {
+            _bicycles.value = offlineBicycleRepository.getAllBicycles()
+        }
+    }
     fun getAllBicycles() {
         viewModelScope.launch {
             _bicycles.value = offlineBicycleRepository.getAllBicycles()
@@ -66,4 +71,6 @@ class BicycleViewModel(private val offlineBicycleRepository: OfflineBicycleRepos
             offlineBicycleRepository.deleteBicycle(bicycle)
         }
     }
+
+
 }

app/src/main/java/com/example/labwork/viewmodel/UserViewModel.kt

@@ -52,5 +52,15 @@ class UserViewModel(private val offlineUserRepository: OfflineUserRepository) :
     suspend fun getUserByEmail(email: String): User? {
         return offlineUserRepository.getUserByEmail(email)
     }
+
+    fun updateBicycleUserId(bicycleId: Int, userId: Int) {
+        viewModelScope.launch {
+            val bicycle = offlineUserRepository.getBicycleById(bicycleId)
+            if (bicycle != null) {
+                val updatedBicycle = bicycle.copy(userId = userId)
+                offlineUserRepository.updateBicycle(updatedBicycle)
+            }
+        }
+    }
 }