Делаем репозиторрий, виюмодели и прочее, сейлюсь перед тем, как их внедрять

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

@@ -23,5 +23,7 @@ class BicycleRepository(private val bicycleDao: BicycleDao) {
     suspend fun getBicyclesByUserId(userId: Int): List<Bicycle> {
         return bicycleDao.getBicyclesByUserId(userId)
     }
-
+    suspend fun getBicycleById(bicycleId: Int?): Bicycle {
+        return bicycleDao.getBicycleById(bicycleId)
+    }
 }

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

@@ -4,6 +4,9 @@ import com.example.labwork.database.DAO.UserDao
 import com.example.labwork.models.User
 
 class UserRepository(private val userDao: UserDao) {
+    suspend fun getAllUsers(): List<User> {
+        return userDao.getAllUsers()
+    }
 
     suspend fun insertUser(user: User) {
         userDao.insertUser(user)

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

@@ -0,0 +1,44 @@
+package com.example.labwork.viewmodel
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.labwork.models.Bicycle
+import com.example.labwork.repository.BicycleRepository
+import kotlinx.coroutines.launch
+
+class BicycleViewModel(private val bicycleRepository: BicycleRepository) : ViewModel() {
+    private val _bicycles = MutableLiveData<List<Bicycle>>()
+    val bicycles: LiveData<List<Bicycle>> get() = _bicycles
+
+    fun getAllBicycles() {
+        viewModelScope.launch {
+            _bicycles.value = bicycleRepository.getAllBicycles()
+        }
+    }
+
+    fun getBicycleById(bicycleId: Int) {
+        viewModelScope.launch {
+            val bicycle = bicycleRepository.getBicycleById(bicycleId)
+        }
+    }
+
+    fun insertBicycle(bicycle: Bicycle) {
+        viewModelScope.launch {
+            bicycleRepository.insertBicycle(bicycle)
+        }
+    }
+
+    fun updateBicycle(bicycle: Bicycle) {
+        viewModelScope.launch {
+            bicycleRepository.updateBicycle(bicycle)
+        }
+    }
+
+    fun deleteBicycle(bicycle: Bicycle) {
+        viewModelScope.launch {
+            bicycleRepository.deleteBicycle(bicycle)
+        }
+    }
+}

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

@@ -0,0 +1,45 @@
+package com.example.labwork.viewmodel
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.labwork.models.User
+import com.example.labwork.repository.UserRepository
+import kotlinx.coroutines.launch
+
+class UserViewModel(private val userRepository: UserRepository) : ViewModel() {
+    private val _users = MutableLiveData<List<User>>()
+    val users: LiveData<List<User>> get() = _users
+
+    fun getAllUsers() {
+        viewModelScope.launch {
+            _users.value = userRepository.getAllUsers()
+        }
+    }
+
+    fun getUserById(userId: Int) {
+        viewModelScope.launch {
+            val user = userRepository.getUserById(userId)
+            // Обработка полученного пользователя
+        }
+    }
+
+    fun insertUser(user: User) {
+        viewModelScope.launch {
+            userRepository.insertUser(user)
+        }
+    }
+
+    fun updateUser(user: User) {
+        viewModelScope.launch {
+            userRepository.updateUser(user)
+        }
+    }
+
+    fun deleteUser(user: User) {
+        viewModelScope.launch {
+            userRepository.deleteUser(user)
+        }
+    }
+}