Создал interface. Все перекинул

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

@@ -8,19 +8,19 @@ import androidx.compose.runtime.remember
 import androidx.navigation.compose.rememberNavController
 import com.example.labwork.database.DAO.BicycleDao
 import com.example.labwork.database.DAO.UserDao
-import com.example.labwork.repository.BicycleRepository
+import com.example.labwork.repository.OfflineBicycleRepository
-import com.example.labwork.repository.UserRepository
+import com.example.labwork.repository.OfflineUserRepository
 
 @SuppressLint("UnusedMaterialScaffoldPaddingParameter")
 @Composable
 fun MainScreen(bicycleDao: BicycleDao, userDao: UserDao) {
     val navController = rememberNavController()
 
-    val bicycleRepository = remember {
+    val offlineBicycleRepository = remember {
-        BicycleRepository(bicycleDao)
+        OfflineBicycleRepository(bicycleDao)
     }
-    val userRepository = remember {
+    val offlineUserRepository = remember {
-        UserRepository(userDao)
+        OfflineUserRepository(userDao)
     }
 
     Scaffold(
@@ -30,8 +30,8 @@ fun MainScreen(bicycleDao: BicycleDao, userDao: UserDao) {
     ) {
         SlideGraph(
             navHostController = navController,
-            bicycleRepository = bicycleRepository,
+            offlineBicycleRepository = offlineBicycleRepository,
-            userRepository = userRepository
+            offlineUserRepository = offlineUserRepository
         )
     }
 }

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

@@ -1,13 +1,10 @@
 package com.example.labwork.button_navigation
 
-import androidx.compose.foundation.layout.Arrangement
 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.fillMaxWidth
 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
@@ -29,18 +26,13 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.navigation.NavHostController
-import com.example.labwork.database.DAO.UserDao
-import com.example.labwork.models.Bicycle
 import com.example.labwork.pages.ListInfo
 import com.example.labwork.pages.product.FormNewProduct
 import com.example.labwork.pages.product.ListProduct
 import com.example.labwork.pages.user.RegisteryOrLogin
-import com.example.labwork.repository.BicycleRepository
 import com.example.labwork.ui.theme.LightBluePolitech
 import com.example.labwork.viewmodel.BicycleViewModel
 import com.example.labwork.viewmodel.UserViewModel
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
 
 @Composable
 fun ScreenInfo() {

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

@@ -6,10 +6,8 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
-import com.example.labwork.database.DAO.BicycleDao
+import com.example.labwork.repository.OfflineBicycleRepository
-import com.example.labwork.database.DAO.UserDao
+import com.example.labwork.repository.OfflineUserRepository
-import com.example.labwork.repository.BicycleRepository
-import com.example.labwork.repository.UserRepository
 import com.example.labwork.viewmodel.BicycleViewModel
 import com.example.labwork.viewmodel.UserViewModel
 import com.example.labwork.viewmodel.factory.BicycleViewModelFactory
@@ -19,14 +17,14 @@ import com.example.labwork.viewmodel.factory.UserViewModelFactory
 @Composable
 fun SlideGraph(
     navHostController: NavHostController,
-    bicycleRepository: BicycleRepository,
+    offlineBicycleRepository: OfflineBicycleRepository,
-    userRepository: UserRepository
+    offlineUserRepository: OfflineUserRepository
 ) {
     val bicycleViewModel: BicycleViewModel = viewModel(
-        factory = BicycleViewModelFactory(bicycleRepository)
+        factory = BicycleViewModelFactory(offlineBicycleRepository)
     )
     val userViewModel: UserViewModel = viewModel(
-        factory = UserViewModelFactory(userRepository)
+        factory = UserViewModelFactory(offlineUserRepository)
     )
 
     NavHost(navController = navHostController, startDestination = "Profile") {

app/src/main/java/com/example/labwork/pages/product/ListProduct.kt

@@ -37,13 +37,9 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.navigation.NavHostController
 import com.example.labwork.R
-import com.example.labwork.database.DAO.BicycleDao
 import com.example.labwork.models.Bicycle
-import com.example.labwork.repository.BicycleRepository
 import com.example.labwork.ui.theme.LightBluePolitech
 import com.example.labwork.viewmodel.BicycleViewModel
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.launch
 
 
 @Composable

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

@@ -1,38 +1,13 @@
 package com.example.labwork.repository
 
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-import com.example.labwork.database.DAO.BicycleDao
 import com.example.labwork.models.Bicycle
-import com.example.labwork.viewmodel.BicycleViewModel
 
-class BicycleRepository(private val bicycleDao: BicycleDao) {
+interface BicycleRepository {
-    suspend fun insertBicycle(bicycle: Bicycle) {
+    suspend fun insertBicycle(bicycle: Bicycle)
-        bicycleDao.insertBicycle(bicycle)
+    suspend fun updateBicycle(bicycle: Bicycle)
+    suspend fun deleteBicycle(bicycle: Bicycle)
+    suspend fun getAllBicycles(): List<Bicycle>
+    suspend fun getBicyclesByUserId(userId: Int): List<Bicycle>
+    suspend fun getBicycleById(bicycleId: Int?): Bicycle
+    suspend fun getBicyclesByPage(pageNumber: Int, pageSize: Int): List<Bicycle>
 }
-
-    suspend fun updateBicycle(bicycle: Bicycle) {
-        bicycleDao.updateBicycle(bicycle)
-    }
-
-    suspend fun deleteBicycle(bicycle: Bicycle) {
-        bicycleDao.deleteBicycle(bicycle)
-    }
-
-    suspend fun getAllBicycles(): List<Bicycle> {
-        return bicycleDao.getAllBicycles()
-    }
-
-    suspend fun getBicyclesByUserId(userId: Int): List<Bicycle> {
-        return bicycleDao.getBicyclesByUserId(userId)
-    }
-    suspend fun getBicycleById(bicycleId: Int?): Bicycle {
-        return bicycleDao.getBicycleById(bicycleId)
-    }
-    suspend fun getBicyclesByPage(pageNumber: Int, pageSize: Int): List<Bicycle> {
-        val offset = (pageNumber - 1) * pageSize
-        return bicycleDao.getBicyclesByPage(offset, pageSize)
-    }
-}
-
-

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

@@ -0,0 +1,38 @@
+package com.example.labwork.repository
+
+import com.example.labwork.database.DAO.BicycleDao
+import com.example.labwork.models.Bicycle
+
+class OfflineBicycleRepository(private val bicycleDao: BicycleDao) : BicycleRepository {
+    override suspend fun insertBicycle(bicycle: Bicycle) {
+        bicycleDao.insertBicycle(bicycle)
+    }
+
+    override suspend fun updateBicycle(bicycle: Bicycle) {
+        bicycleDao.updateBicycle(bicycle)
+    }
+
+    override suspend fun deleteBicycle(bicycle: Bicycle) {
+        bicycleDao.deleteBicycle(bicycle)
+    }
+
+    override suspend fun getAllBicycles(): List<Bicycle> {
+        return bicycleDao.getAllBicycles()
+    }
+
+    override suspend fun getBicyclesByUserId(userId: Int): List<Bicycle> {
+        return bicycleDao.getBicyclesByUserId(userId)
+    }
+
+    override suspend fun getBicycleById(bicycleId: Int?): Bicycle {
+        return bicycleDao.getBicycleById(bicycleId)
+    }
+
+    override suspend fun getBicyclesByPage(pageNumber: Int, pageSize: Int): List<Bicycle> {
+        val offset = (pageNumber - 1) * pageSize
+        return bicycleDao.getBicyclesByPage(offset, pageSize)
+    }
+}
+
+
+

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

@@ -0,0 +1,35 @@
+package com.example.labwork.repository
+
+import com.example.labwork.database.DAO.UserDao
+import com.example.labwork.models.User
+
+class OfflineUserRepository(private val userDao: UserDao) : UserRepository {
+    override suspend fun getAllUsers(): List<User> {
+        return userDao.getAllUsers()
+    }
+
+    override suspend fun insertUser(user: User) {
+        userDao.insertUser(user)
+    }
+
+    override suspend fun updateUser(user: User) {
+        userDao.updateUser(user)
+    }
+
+    override suspend fun deleteUser(user: User) {
+        userDao.deleteUser(user)
+    }
+
+    override suspend fun getUserById(userId: Int): User {
+        return userDao.getUserById(userId)
+    }
+
+    override suspend fun getUserByEmail(email: String): User {
+        return userDao.getUserByEmail(email)
+    }
+
+    override suspend fun getUserByEmailAndPassword(email: String, password: String): User? {
+        return userDao.getUserByEmailAndPassword(email, password)
+    }
+}
+

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

@@ -1,38 +1,13 @@
 package com.example.labwork.repository
 
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-import com.example.labwork.database.DAO.UserDao
 import com.example.labwork.models.User
-import com.example.labwork.viewmodel.UserViewModel
 
-class UserRepository(private val userDao: UserDao) {
+interface UserRepository {
-    suspend fun getAllUsers(): List<User> {
+    suspend fun getAllUsers(): List<User>
-        return userDao.getAllUsers()
+    suspend fun insertUser(user: User)
+    suspend fun updateUser(user: User)
+    suspend fun deleteUser(user: User)
+    suspend fun getUserById(userId: Int): User
+    suspend fun getUserByEmail(email: String): User
+    suspend fun getUserByEmailAndPassword(email: String, password: String): User?
 }
-
-    suspend fun insertUser(user: User) {
-        userDao.insertUser(user)
-    }
-
-    suspend fun updateUser(user: User) {
-        userDao.updateUser(user)
-    }
-
-    suspend fun deleteUser(user: User) {
-        userDao.deleteUser(user)
-    }
-
-    suspend fun getUserById(userId: Int): User {
-        return userDao.getUserById(userId)
-    }
-
-    suspend fun getUserByEmail(email: String): User {
-        return userDao.getUserByEmail(email)
-    }
-
-    suspend fun getUserByEmailAndPassword(email: String, password: String): User? {
-        return userDao.getUserByEmailAndPassword(email, password)
-    }
-}
-

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

@@ -1,16 +1,15 @@
 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 com.example.labwork.repository.OfflineBicycleRepository
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 
-class BicycleViewModel(private val bicycleRepository: BicycleRepository) : ViewModel() {
+class BicycleViewModel(private val offlineBicycleRepository: OfflineBicycleRepository) : ViewModel() {
     private val _bicycles = MutableLiveData<List<Bicycle>>()
     val bicycles: StateFlow<List<Bicycle>> = MutableStateFlow(emptyList())
 
@@ -19,7 +18,7 @@ class BicycleViewModel(private val bicycleRepository: BicycleRepository) : ViewM
 
     fun fetchBicyclesByPage(pageNumber: Int, pageSize: Int) {
         viewModelScope.launch {
-            val fetchedBicycles = bicycleRepository.getBicyclesByPage(pageNumber, pageSize)
+            val fetchedBicycles = offlineBicycleRepository.getBicyclesByPage(pageNumber, pageSize)
             _bicycles.value = fetchedBicycles
         }
     }
@@ -34,37 +33,37 @@ class BicycleViewModel(private val bicycleRepository: BicycleRepository) : ViewM
 
     fun fetchBicycles() {
         viewModelScope.launch {
-            val fetchedBicycles = bicycleRepository.getAllBicycles()
+            val fetchedBicycles = offlineBicycleRepository.getAllBicycles()
             (bicycles as MutableStateFlow).value = fetchedBicycles
         }
     }
     fun getAllBicycles() {
         viewModelScope.launch {
-            _bicycles.value = bicycleRepository.getAllBicycles()
+            _bicycles.value = offlineBicycleRepository.getAllBicycles()
         }
     }
 
     fun getBicycleById(bicycleId: Int) {
         viewModelScope.launch {
-            val bicycle = bicycleRepository.getBicycleById(bicycleId)
+            val bicycle = offlineBicycleRepository.getBicycleById(bicycleId)
         }
     }
 
     fun insertBicycle(bicycle: Bicycle) {
         viewModelScope.launch {
-            bicycleRepository.insertBicycle(bicycle)
+            offlineBicycleRepository.insertBicycle(bicycle)
         }
     }
 
     fun updateBicycle(bicycle: Bicycle) {
         viewModelScope.launch {
-            bicycleRepository.updateBicycle(bicycle)
+            offlineBicycleRepository.updateBicycle(bicycle)
         }
     }
 
     fun deleteBicycle(bicycle: Bicycle) {
         viewModelScope.launch {
-            bicycleRepository.deleteBicycle(bicycle)
+            offlineBicycleRepository.deleteBicycle(bicycle)
         }
     }
 }

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

@@ -5,52 +5,52 @@ 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 com.example.labwork.repository.OfflineUserRepository
 import kotlinx.coroutines.launch
 
-class UserViewModel(private val userRepository: UserRepository) : ViewModel() {
+class UserViewModel(private val offlineUserRepository: OfflineUserRepository) : ViewModel() {
     private val _users = MutableLiveData<List<User>>()
     val users: LiveData<List<User>> get() = _users
 
     fun getAllUsers() {
         viewModelScope.launch {
-            _users.value = userRepository.getAllUsers()
+            _users.value = offlineUserRepository.getAllUsers()
         }
     }
 
     fun getUserById(userId: Int) {
         viewModelScope.launch {
-            val user = userRepository.getUserById(userId)
+            val user = offlineUserRepository.getUserById(userId)
         }
     }
 
     fun insertUser(user: User) {
         viewModelScope.launch {
-            userRepository.insertUser(user)
+            offlineUserRepository.insertUser(user)
         }
     }
 
     fun updateUser(user: User) {
         viewModelScope.launch {
-            userRepository.updateUser(user)
+            offlineUserRepository.updateUser(user)
         }
     }
 
     fun deleteUser(user: User) {
         viewModelScope.launch {
-            userRepository.deleteUser(user)
+            offlineUserRepository.deleteUser(user)
         }
     }
 
     suspend fun login(email: String, password: String): Boolean {
         var isSuccess = false
-        val user = userRepository.getUserByEmail(email)
+        val user = offlineUserRepository.getUserByEmail(email)
         isSuccess = user != null && user.password == password
         return isSuccess
     }
 
     suspend fun getUserByEmail(email: String): User? {
-        return userRepository.getUserByEmail(email)
+        return offlineUserRepository.getUserByEmail(email)
     }
 }
 

app/src/main/java/com/example/labwork/viewmodel/factory/BicycleViewModelFactory.kt

@@ -2,13 +2,13 @@ package com.example.labwork.viewmodel.factory
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
-import com.example.labwork.repository.BicycleRepository
+import com.example.labwork.repository.OfflineBicycleRepository
 import com.example.labwork.viewmodel.BicycleViewModel
 
-class BicycleViewModelFactory(private val bicycleRepository: BicycleRepository): ViewModelProvider.Factory {
+class BicycleViewModelFactory(private val offlineBicycleRepository: OfflineBicycleRepository): ViewModelProvider.Factory {
     override fun <T : ViewModel> create(modelClass: Class<T>): T {
         if (modelClass.isAssignableFrom(BicycleViewModel::class.java)) {
-            return BicycleViewModel(bicycleRepository) as T
+            return BicycleViewModel(offlineBicycleRepository) as T
         }
         throw IllegalArgumentException("Unknown ViewModel class")
     }

app/src/main/java/com/example/labwork/viewmodel/factory/UserViewModelFactory.kt

@@ -2,13 +2,13 @@ package com.example.labwork.viewmodel.factory
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
-import com.example.labwork.repository.UserRepository
+import com.example.labwork.repository.OfflineUserRepository
 import com.example.labwork.viewmodel.UserViewModel
 
-class UserViewModelFactory(private val userRepository: UserRepository): ViewModelProvider.Factory {
+class UserViewModelFactory(private val offlineUserRepository: OfflineUserRepository): ViewModelProvider.Factory {
     override fun <T : ViewModel> create(modelClass: Class<T>): T {
         if (modelClass.isAssignableFrom(UserViewModel::class.java)) {
-            return UserViewModel(userRepository) as T
+            return UserViewModel(offlineUserRepository) as T
         }
         throw IllegalArgumentException("Unknown ViewModel class")
     }