Пытаюсь сделать авторизацию, пока что не робит :(

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

@@ -23,6 +23,7 @@ import com.example.labwork.pages.product.ListProduct
 import com.example.labwork.pages.user.RegisteryOrLogin
 import com.example.labwork.repository.BicycleRepository
 import com.example.labwork.viewmodel.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
@@ -32,8 +33,8 @@ fun ScreenInfo() {
 }
 
 @Composable
-fun ScreenProfile(userDao: UserDao, navHostController: NavHostController) {
+fun ScreenProfile(userViewModel: UserViewModel, navHostController: NavHostController) {
-    RegisteryOrLogin(userDao, navHostController)
+    RegisteryOrLogin(userViewModel, navHostController)
 }
 
 @Composable

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

@@ -31,8 +31,7 @@ fun SlideGraph(
 
     NavHost(navController = navHostController, startDestination = "Profile") {
         composable("Profile") {
-            //ScreenProfile(userViewModel, navHostController = navHostController)
+            ScreenProfile(userViewModel, navHostController = navHostController)
-            ScreenListProduct(bicycleViewModel, navHostController = navHostController)
         }
         composable("Info") {
             ScreenInfo()

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

@@ -39,28 +39,29 @@ 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.UserViewModel
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 
 @Composable
-fun LoginPage(navController: NavController, userDao: UserDao, navHostController: NavHostController) {
+fun LoginPage(
-    var email by remember { mutableStateOf("") }
+    navController: NavController,
-    var password by remember { mutableStateOf("") }
+    navHostController: NavHostController,
-    var userPassword by remember { mutableStateOf("") }
+    userViewModel: UserViewModel
-    var user by remember { mutableStateOf<User?>(null) }
+) {
+    val email by remember { mutableStateOf("") }
+    val password by remember { mutableStateOf("") }
     var showPassword by remember { mutableStateOf(false) }
-    var acceptLogin by remember { mutableStateOf(false) }
+    val acceptLogin by remember { mutableStateOf(false) }
+    var user by remember { mutableStateOf<User?>(null) }
 
-    if (acceptLogin == true) {
+    if (acceptLogin) {
         user?.let { userProfile ->
-            ProfileForm(item = userProfile, userDao = userDao, navHostController = navHostController)
+            ProfileForm(item = userProfile, userViewModel = userViewModel, navHostController = navHostController)
         }
-    }
+    } else {
-    else {
         Column(
-            modifier = Modifier
+            modifier = Modifier.fillMaxSize().padding(16.dp),
-                .fillMaxSize()
-                .padding(16.dp),
             verticalArrangement = Arrangement.Center,
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
@@ -73,11 +74,9 @@ fun LoginPage(navController: NavController, userDao: UserDao, navHostController:
 
             TextField(
                 value = email,
-                onValueChange = { email = it },
+                onValueChange = { userViewModel.setEmail(it) },
                 label = { Text("Почта") },
-                modifier = Modifier
+                modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp),
-                    .fillMaxWidth()
-                    .padding(horizontal = 16.dp),
                 textStyle = TextStyle(fontSize = 16.sp),
                 colors = TextFieldDefaults.textFieldColors(
                     cursorColor = LightBluePolitech,
@@ -94,11 +93,9 @@ fun LoginPage(navController: NavController, userDao: UserDao, navHostController:
 
             TextField(
                 value = password,
-                onValueChange = { password = it },
+                onValueChange = { userViewModel.setPassword(it) },
                 label = { Text("Пароль") },
-                modifier = Modifier
+                modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp),
-                    .fillMaxWidth()
-                    .padding(horizontal = 16.dp),
                 textStyle = TextStyle(fontSize = 16.sp),
                 colors = TextFieldDefaults.textFieldColors(
                     cursorColor = LightBluePolitech,
@@ -112,9 +109,7 @@ fun LoginPage(navController: NavController, userDao: UserDao, navHostController:
                 singleLine = true,
                 visualTransformation = if (showPassword) VisualTransformation.None else PasswordVisualTransformation(),
                 trailingIcon = {
-                    IconButton(
+                    IconButton(onClick = { showPassword = !showPassword }) {
-                        onClick = { showPassword = !showPassword }
-                    ) {
                         Image(
                             painter = if (showPassword) painterResource(R.drawable.baseline_visibility) else painterResource(
                                 R.drawable.baseline_visibility_off
@@ -129,22 +124,18 @@ fun LoginPage(navController: NavController, userDao: UserDao, navHostController:
 
             Button(
                 onClick = {
-                    GlobalScope.launch {
+                    userViewModel.login()
-                        userPassword = userDao.getPasswordByEmail(email)
-                        user = userDao.getUserByEmail(email)
-
-                        if (userPassword == password) {
-                            acceptLogin = true
-                            //navHostController.navigate("Profile")
-                        }
-                    }
                 },
-                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech,),
+                modifier = Modifier.fillMaxWidth().padding(16.dp),
-                modifier = Modifier
+                shape = RoundedCornerShape(16.dp),
-                    .fillMaxWidth()
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech)
-                    .padding(horizontal = 16.dp)
             ) {
-                Text(text = "Авторизоваться", color = Color.White)
+                Text(
+                    text = "Войти",
+                    color = Color.White,
+                    fontSize = 18.sp,
+                    textAlign = TextAlign.Center
+                )
             }
             Spacer(modifier = Modifier.height(8.dp))
 

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

@@ -20,21 +20,25 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 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
 import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.UserViewModel
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 
 @Composable
-fun ProfileForm(item: User, userDao: UserDao, navHostController: NavHostController) {
+fun ProfileForm(item: User, userViewModel: UserViewModel, navHostController: NavHostController) {
     var email by remember { mutableStateOf(item.email) }
     var name by remember { mutableStateOf(item.name) }
     var password by remember { mutableStateOf(item.password) }
 
+    val viewModel = viewModel<UserViewModel>()
+
     Column(
         modifier = Modifier.fillMaxWidth()
     ) {
@@ -74,14 +78,7 @@ fun ProfileForm(item: User, userDao: UserDao, navHostController: NavHostControll
                 .fillMaxWidth()
                 .padding(9.dp),
             onClick = {
-                GlobalScope.launch {
+                viewModel.updateUser(User(item.id!!, email, name, password))
-                    val newUser = userDao.getUserById(item.id!!)
-                    newUser.email = email
-                    newUser.name = name
-                    newUser.password = password
-
-                    userDao.updateUser(newUser)
-                }
                 navHostController.navigate("ListProduct")
             },
             shape = RoundedCornerShape(15.dp)
@@ -111,5 +108,5 @@ fun ProfileForm(item: User, userDao: UserDao, navHostController: NavHostControll
             )
         }
     }
-
 }
+

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

@@ -38,17 +38,18 @@ 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.UserViewModel
 
 @Composable
-fun RegisteryOrLogin(userDao: UserDao, navHostController: NavHostController) {
+fun RegisteryOrLogin(userViewModel: UserViewModel, navHostController: NavHostController) {
     val navController = rememberNavController()
 
     NavHost(navController, startDestination = "login") {
         composable("login") {
-            LoginPage(navController, userDao, navHostController)
+            LoginPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController)
         }
         composable("register") {
-            RegisteryPage(navController, userDao, navHostController)
+            RegisteryPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController)
         }
     }
 }

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

@@ -35,11 +35,12 @@ 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.UserViewModel
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 
 @Composable
-fun RegisteryPage(navController: NavController, userDao: UserDao, navHostController: NavHostController) {
+fun RegisteryPage(navController: NavController, userViewModel: UserViewModel, navHostController: NavHostController) {
     var username by remember { mutableStateOf("") }
     var password by remember { mutableStateOf("") }
     var confirmPassword by remember { mutableStateOf("") }
@@ -146,10 +147,8 @@ fun RegisteryPage(navController: NavController, userDao: UserDao, navHostControl
         Button(
             onClick = {
                 if (password == confirmPassword) {
-                    GlobalScope.launch {
                     val newUser = User(null, name = username, email = email, password = password)
-                        userDao.insertUser(newUser)
+                    userViewModel.insertUser(newUser)
-                    }
                     navController.navigate("login")
                 }
             },

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

@@ -12,6 +12,15 @@ class UserViewModel(private val userRepository: UserRepository) : ViewModel() {
     private val _users = MutableLiveData<List<User>>()
     val users: LiveData<List<User>> get() = _users
 
+    private val _loggedInUser = MutableLiveData<User>()
+    val loggedInUser: LiveData<User> get() = _loggedInUser
+
+    private val _email = MutableLiveData<String>()
+    val email: LiveData<String> get() = _email
+
+    private val _password = MutableLiveData<String>()
+    val password: LiveData<String> get() = _password
+
     fun getAllUsers() {
         viewModelScope.launch {
             _users.value = userRepository.getAllUsers()
@@ -42,4 +51,25 @@ class UserViewModel(private val userRepository: UserRepository) : ViewModel() {
             userRepository.deleteUser(user)
         }
     }
+
+
+    fun setEmail(email: String) {
+        _email.value = email
+    }
+
+    fun setPassword(password: String) {
+        _password.value = password
+    }
+
+    fun login() {
+        val email = _email.value
+        val password = _password.value
+
+        if (email != null && password != null) {
+            viewModelScope.launch {
+                val user = userRepository.getUserByEmailAndPassword(email, password)
+                _loggedInUser.value = user
+            }
+        }
+    }
 }