Лаб 2 нало работы с пользователем

.idea/workspace.xml

@@ -9,29 +9,19 @@
     <option name="autoReloadType" value="NONE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="dc3793c7-c725-42e8-8eda-044c95f334c1" name="Changes" comment="добавление отчета лаб 1">
+    <list default="true" id="dc3793c7-c725-42e8-8eda-044c95f334c1" name="Changes" comment="Лаб 2 начало">
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Home.kt" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/model/AuthViewModel.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Login.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Profile.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/navigation/MyPage.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/navigation/Screen.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/composeui/StudentView.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/composeui/UserList.kt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/model/Student.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/8.0/checksums/checksums.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/8.0/checksums/checksums.lock" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.gradle/8.0/executionHistory/executionHistory.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/8.0/executionHistory/executionHistory.lock" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.gradle/8.0/fileHashes/fileHashes.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/8.0/fileHashes/fileHashes.bin" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.gradle/8.0/fileHashes/fileHashes.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/8.0/fileHashes/fileHashes.lock" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.gradle/buildOutputCleanup/buildOutputCleanup.lock" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/buildOutputCleanup/buildOutputCleanup.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gradle/buildOutputCleanup/outputFiles.bin" beforeDir="false" afterPath="$PROJECT_DIR$/.gradle/buildOutputCleanup/outputFiles.bin" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/gradle.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/gradle.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/build.gradle.kts" beforeDir="false" afterPath="$PROJECT_DIR$/app/build.gradle.kts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Login.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Login.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/AndroidManifest.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Profile.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/Profile.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/MainActivity.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/MainComposeActivity.kt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/navigation/MyPage.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/composeui/navigation/MyPage.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/src/main/res/values/strings.xml" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/res/values/strings.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/composeui/StudentView.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/composeui/StudentView.kt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gradle.properties" beforeDir="false" afterPath="$PROJECT_DIR$/gradle.properties" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/composeui/UserList.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/composeui/UserList.kt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/model/Student.kt" beforeDir="false" afterPath="$PROJECT_DIR$/app/src/main/java/com/example/pmuapp/models/user/model/Student.kt" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -101,6 +91,9 @@
   <component name="MarkdownSettingsMigration">
     <option name="stateVersion" value="1" />
   </component>
+  <component name="ProblemsViewState">
+    <option name="selectedTabId" value="CurrentFile" />
+  </component>
   <component name="ProjectId" id="2WToW0mvjPzND9QiCAmC6MXKLwF" />
   <component name="ProjectLevelVcsManager">
     <ConfirmationsSetting value="2" id="Add" />
@@ -226,7 +219,14 @@
       <option name="project" value="LOCAL" />
       <updated>1696766847352</updated>
     </task>
-    <option name="localTasksCounter" value="3" />
+    <task id="LOCAL-00003" summary="Лаб 2 начало">
+      <created>1697038354150</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1697038354150</updated>
+    </task>
+    <option name="localTasksCounter" value="4" />
     <servers />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
@@ -256,6 +256,7 @@
     <option name="ADD_EXTERNAL_FILES_SILENTLY" value="true" />
     <MESSAGE value="коммит1" />
     <MESSAGE value="добавление отчета лаб 1" />
-    <option name="LAST_COMMIT_MESSAGE" value="добавление отчета лаб 1" />
+    <MESSAGE value="Лаб 2 начало" />
+    <option name="LAST_COMMIT_MESSAGE" value="Лаб 2 начало" />
   </component>
 </project>

app/src/main/java/com/example/pmuapp/composeui/Login.kt

@@ -10,6 +10,7 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Button
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -31,17 +32,22 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.navigation.NavController
+import androidx.navigation.NavHostController
 import com.example.pmuapp.R
 import com.example.pmuapp.composeui.navigation.Screen
-import com.example.pmuapp.models.user.model.getStudents
+import com.example.pmuapp.models.user.model.AuthViewModel
+import com.example.pmuapp.models.user.model.User
 import com.example.pmuapp.ui.theme.PMUappTheme
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun Login(navController: NavController) {
+fun Login(
+    navController: NavHostController,
+    authViewModel: AuthViewModel,
+    users: List<User> // Используйте ViewModel как параметр
+) {
     var username by remember { mutableStateOf("") }
     var password by remember { mutableStateOf("") }
-    val users = getStudents()
 
     Column(
         modifier = Modifier
@@ -69,17 +75,15 @@ fun Login(navController: NavController) {
                 .padding(bottom = 16.dp)
         )
 
+        Spacer(modifier = Modifier.height(16.dp)) // Промежуток
+
         Button(
             onClick = {
-                // Check if the entered username and password match a user
                 val authenticatedUser = users.find { it.login == username && it.password == password }
                 if (authenticatedUser != null) {
-                    // Navigate to the Home screen if authentication is successful
+                    authViewModel.currentUser = authenticatedUser
-                    navController.navigate(Screen.Home.route)
+                    navController.navigate(Screen.Profile.route)
                 } else {
-                    // Show an error message or handle authentication failure
-                    // For example, display a Toast or Text message
-                    // For simplicity, we'll just print a message
                     println("Authentication failed")
                 }
             },
@@ -91,7 +95,6 @@ fun Login(navController: NavController) {
 }
 
 
-
 //@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
 //@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
 //@Composable

app/src/main/java/com/example/pmuapp/composeui/Profile.kt

@@ -1,5 +1,6 @@
 package com.example.pmuapp.composeui
 
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.content.res.Configuration
 import android.net.Uri
@@ -8,16 +9,22 @@ import android.widget.TextView
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
 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.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.viewinterop.AndroidView
@@ -25,28 +32,61 @@ import com.example.pmuapp.R
 import com.example.pmuapp.models.user.model.User
 import com.example.pmuapp.ui.theme.PMUappTheme
 
+@OptIn(ExperimentalMaterial3Api::class)
+@SuppressLint("RememberReturnType")
 @Composable
-fun Profile(user: User) {
+fun Profile(currentUser: User?, onSaveClick: (User) -> Unit) {
-    val localContext = LocalContext.current
+    val nameState = remember { mutableStateOf(currentUser?.name.orEmpty()) }
+    val loginState = remember { mutableStateOf(currentUser?.login.orEmpty()) }
+    val passwordState = remember { mutableStateOf(currentUser?.password.orEmpty()) }
 
-    val urlOnClick = {
+    Column(
-        val openURL = Intent(Intent.ACTION_VIEW)
+        modifier = Modifier
-        openURL.data = Uri.parse("https://ulstu.ru/")
+            .fillMaxSize()
-        localContext.startActivity(openURL)
+            .padding(16.dp)
-    }
+    ) {
-
+        TextField(
-    Column(Modifier.padding(all = 10.dp)) {
+            value = nameState.value,
-        Text("Name: ${user.name}")
+            onValueChange = { nameState.value = it },
-        Text("Login: ${user.login}")
+            label = { Text("Name") },
-        Text("Password: ${user.password}")
-
-        Spacer(Modifier.padding(bottom = 10.dp))
-        AndroidView(
             modifier = Modifier
                 .fillMaxWidth()
-                .clickable(onClick = urlOnClick),
+                .padding(bottom = 16.dp)
-            factory = { context -> TextView(context) },
-            update = { it.text = R.string.app_name.toString() }
         )
+
+        TextField(
+            value = loginState.value,
+            onValueChange = { loginState.value = it },
+            label = { Text("Login") },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(bottom = 16.dp)
+        )
+
+        TextField(
+            value = passwordState.value,
+            onValueChange = { passwordState.value = it },
+            label = { Text("Password") },
+            visualTransformation = PasswordVisualTransformation(),
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(bottom = 16.dp)
+        )
+
+        Button(
+            onClick = {
+                val updatedUser = User(
+                    nameState.value,
+                    loginState.value,
+                    passwordState.value
+                )
+                onSaveClick(updatedUser) // Вызывает функцию updateUser в UserViewModel
+            },
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text("Save")
+        }
+
     }
 }
+

app/src/main/java/com/example/pmuapp/composeui/navigation/MyPage.kt

@@ -18,6 +18,7 @@ import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
@@ -35,9 +36,11 @@ import com.example.pmuapp.R
 import com.example.pmuapp.composeui.Home
 import com.example.pmuapp.composeui.Login
 import com.example.pmuapp.composeui.Profile
-import com.example.pmuapp.models.user.composeui.UserList
 import com.example.pmuapp.models.user.composeui.StudentView
+import com.example.pmuapp.models.user.composeui.UserList
+import com.example.pmuapp.models.user.model.AuthViewModel
 import com.example.pmuapp.models.user.model.User
+import com.example.pmuapp.models.user.model.UserViewModel
 import com.example.pmuapp.ui.theme.PMUappTheme
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -98,33 +101,37 @@ fun Navbar(
 }
 
 @Composable
-fun Navhost(
+fun NavHost(
 navController: NavHostController,
-    innerPadding: PaddingValues, modifier:
+innerPadding: PaddingValues,
-    Modifier = Modifier
+authViewModel: AuthViewModel, // Передайте AuthViewModel как параметр
+userViewModel: UserViewModel // Передайте UserViewModel как параметр
 ) {
     NavHost(
-        navController,
+        navController = navController,
         startDestination = Screen.Login.route,
-        modifier.padding(innerPadding)
+        modifier = Modifier.padding(innerPadding)
     ) {
-        composable(Screen.UserList.route) { UserList(navController) }
+        composable(Screen.Login.route) {
+            Login(navController, authViewModel,userViewModel.getUsers())
+        }
+        composable(Screen.Profile.route) {
+            Profile(
+                currentUser = authViewModel.currentUser,
+                onSaveClick = { updatedUser ->
+                    userViewModel.updateUser(updatedUser)
+                    authViewModel.currentUser=updatedUser// Обновление пользователя в ViewModel
+                }
+            )
+        }
+
+        composable(Screen.UserList.route) { UserList(navController, userViewModel.getUsers()) }
         composable(Screen.Home.route) { Home() }
-        composable(Screen.Profile.route + "/{name}/{username}/{password}") { backStackEntry ->
-            val name = backStackEntry.arguments?.getString("name")
-            val username = backStackEntry.arguments?.getString("username")
-            val password = backStackEntry.arguments?.getString("password")
-            if (name != null && username != null && password != null) {
-                val user = User(name, username, password)
-                Profile(user)
-            }
-        }
-        composable(Screen.Login.route) { Login(navController) }
         composable(
             Screen.UserView.route,
             arguments = listOf(navArgument("id") { type = NavType.IntType })
         ) { backStackEntry ->
-            backStackEntry.arguments?.let { StudentView(it.getInt("id")) }
+            backStackEntry.arguments?.let { StudentView(userViewModel.getUsers()[it.getInt("id")]) }
         }
     }
 }
@@ -133,6 +140,8 @@ fun Navhost(
 @Composable
 fun MainNavbar() {
     val navController = rememberNavController()
+    val authViewModel = remember { AuthViewModel() }
+    val userViewModel =UserViewModel() // Создайте экземпляр AuthViewModel
     val navBackStackEntry by navController.currentBackStackEntryAsState()
     val currentDestination = navBackStackEntry?.destination
     val currentScreen = currentDestination?.route?.let { Screen.getItem(it) }
@@ -147,7 +156,7 @@ fun MainNavbar() {
             }
         }
     ) { innerPadding ->
-        Navhost(navController, innerPadding)
+        NavHost(navController, innerPadding, authViewModel, userViewModel)
         }
 }
 

app/src/main/java/com/example/pmuapp/models/user/composeui/StudentView.kt

@@ -15,32 +15,32 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import com.example.pmuapp.R
-import com.example.pmuapp.models.user.model.getStudents
+import com.example.pmuapp.models.user.model.User
 import com.example.pmuapp.ui.theme.PMUappTheme
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun StudentView(id: Int) {
+fun StudentView(user: User) {
-    val student = getStudents()[id]
+
     Column(
         Modifier
             .fillMaxWidth()
             .padding(all = 10.dp)
     ) {
         OutlinedTextField(modifier = Modifier.fillMaxWidth(),
-            value = student.name, onValueChange = {}, readOnly = true,
+            value = user.name, onValueChange = {}, readOnly = true,
             label = {
                 Text(stringResource(id = R.string.user_name))
             }
         )
         OutlinedTextField(modifier = Modifier.fillMaxWidth(),
-            value = student.login, onValueChange = {}, readOnly = true,
+            value = user.login, onValueChange = {}, readOnly = true,
             label = {
                 Text(stringResource(id = R.string.user_login))
             }
         )
         OutlinedTextField(modifier = Modifier.fillMaxWidth(),
-            value = student.password, onValueChange = {}, readOnly = true,
+            value = user.password, onValueChange = {}, readOnly = true,
             label = {
                 Text(stringResource(id = R.string.user_login))
             }
@@ -48,15 +48,15 @@ fun StudentView(id: Int) {
     }
 }
 
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+//@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+//@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
+//@Composable
-fun StudentViewPreview() {
+//fun StudentViewPreview() {
-    PMUappTheme {
+//    PMUappTheme {
-        Surface(
+//        Surface(
-            color = MaterialTheme.colorScheme.background
+//            color = MaterialTheme.colorScheme.background
-        ) {
+//        ) {
-            StudentView(id = 0)
+//            StudentView(id = 0)
-        }
+//        }
-    }
+//    }
-}
+//}

app/src/main/java/com/example/pmuapp/models/user/composeui/UserList.kt

@@ -14,34 +14,35 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import com.example.pmuapp.composeui.navigation.Screen
-import com.example.pmuapp.models.user.model.getStudents
+import com.example.pmuapp.models.user.model.User
 import com.example.pmuapp.ui.theme.PMUappTheme
 
 @Composable
-fun UserList(navController: NavController?) {
+fun UserList(navController: NavController?,
+             users: List<User> ) {
     Column(Modifier.padding(all = 10.dp)) {
-        getStudents().forEachIndexed() { index, student ->
+        users.forEachIndexed() { index, user ->
-            val studentId = Screen.UserView.route.replace("{id}", index.toString())
+            val userId = Screen.UserView.route.replace("{id}", index.toString())
             Button(
                 modifier = Modifier
                     .fillMaxWidth()
                     .padding(all = 10.dp),
-                onClick = { navController?.navigate(studentId) }) {
+                onClick = { navController?.navigate(userId) }) {
-                Text("${student.login}")
+                Text("${user.login}")
             }
         }
     }
 }
 
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+//@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+//@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
+//@Composable
-fun StudentListPreview() {
+//fun StudentListPreview() {
-    PMUappTheme {
+//    PMUappTheme {
-        Surface(
+//        Surface(
-            color = MaterialTheme.colorScheme.background
+//            color = MaterialTheme.colorScheme.background
-        ) {
+//        ) {
-            UserList(navController = null)
+//            UserList(navController = null)
-        }
+//        }
-    }
+//    }
-}
+//}

app/src/main/java/com/example/pmuapp/models/user/model/AuthViewModel.kt

@@ -0,0 +1,10 @@
+package com.example.pmuapp.models.user.model
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.ViewModel
+
+class AuthViewModel : ViewModel() {
+    var currentUser: User? by mutableStateOf(null)
+}

app/src/main/java/com/example/pmuapp/models/user/model/Student.kt

@@ -1,5 +1,8 @@
 package com.example.pmuapp.models.user.model
 
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
 import java.io.Serializable
 
 data class User(
@@ -8,10 +11,29 @@ data class User(
     val password: String,
 ) : Serializable
 
-fun getStudents(): List<User> {
+class UserViewModel : ViewModel() {
-    return listOf(
+    var users: MutableState<List<User>> = mutableStateOf(
+        listOf(
             User("Иван", "ivan", "111111"),
             User("Анна", "ann", "111111"),
             User("Лиза", "liza", "111111")
         )
+    )
+
+    fun getUsers(): List<User> {
+        return users.value
     }
+
+    fun updateUser(updatedUser: User) {
+        val updatedUsers = users.value.toMutableList()
+        val index = updatedUsers.indexOfFirst { it.login == updatedUser.login }
+        if (index != -1) {
+            updatedUsers[index] = updatedUser
+            users.value = updatedUsers
+        }
+    }
+}
+
+
+
+