fix: network connectivity related issues

app/src/main/AndroidManifest.xml

@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (c) 2025 Gleb Zaharov. License: GPLv3 (see LICENSE). -->
+<!-- Copyright (c) 2026 Gleb Zaharov. License: GPLv3 (see LICENSE). -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
         android:name=".app.UNNApp"

app/src/main/java/ru/sweetbread/unn/app/LoginActivity.kt

@@ -38,7 +38,6 @@ import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.runBlocking
 import ru.sweetbread.unn.R
 import ru.sweetbread.unn.core.AuthRepository
 import ru.sweetbread.unn.ui.theme.UNNTheme
@@ -51,12 +50,10 @@ class LoginActivity : ComponentActivity() {
 
         val authRepo = (application as UNNApp).container.authRepo
 
-
+        if (authRepo.hasSavedCredentials()) {
-        runBlocking {
-            if (authRepo.restoreSession()) {
             start<MainActivity>()
             finish()
-            }
+            return
         }
 
         setContent {

app/src/main/java/ru/sweetbread/unn/app/MainActivity.kt

@@ -1,5 +1,10 @@
+// Copyright (c) 2026 Gleb Zaharov. License: GPLv3 (see LICENSE).
+
 package ru.sweetbread.unn.app
 
+import android.content.Intent
+import android.net.ConnectivityManager
+import android.net.Network
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
@@ -50,23 +55,33 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.core.view.WindowCompat
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.NavController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
 import coil3.compose.AsyncImage
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import ru.sweetbread.unn.R
+import ru.sweetbread.unn.core.network.LoginResult
 import ru.sweetbread.unn.core.network.portalURL
+import ru.sweetbread.unn.feature.About
 import ru.sweetbread.unn.feature.news.Blogposts
 import ru.sweetbread.unn.feature.schedule.Schedule
-import ru.sweetbread.unn.feature.About
 import ru.sweetbread.unn.ui.theme.UNNTheme
 import splitties.resources.appStr
 import splitties.toast.toast
 
 class MainActivity : ComponentActivity() {
+    private lateinit var connectivityManager: ConnectivityManager
+    private var restoreSessionJob: Job? = null
+    private val networkCallback = object : ConnectivityManager.NetworkCallback() {
+        override fun onAvailable(network: Network) {
+            restoreSavedSession()
+        }
+    }
 
     @OptIn(ExperimentalMaterial3Api::class)
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -74,6 +89,15 @@ class MainActivity : ComponentActivity() {
 
         WindowCompat.setDecorFitsSystemWindows(window, false)
 
+        val authRepo = (application as UNNApp).container.authRepo
+        lifecycleScope.launch {
+            authRepo.authenticationFailures.collect {
+                openLogin()
+            }
+        }
+        connectivityManager = getSystemService(ConnectivityManager::class.java)
+        restoreSavedSession()
+
         setContent {
             UNNTheme {
                 Surface(
@@ -193,6 +217,44 @@ class MainActivity : ComponentActivity() {
         }
     }
 
+    override fun onStart() {
+        super.onStart()
+        connectivityManager.registerDefaultNetworkCallback(networkCallback)
+    }
+
+    override fun onStop() {
+        connectivityManager.unregisterNetworkCallback(networkCallback)
+        super.onStop()
+    }
+
+    private fun restoreSavedSession() {
+        val container = (application as UNNApp).container
+
+        if (
+            container.sessionManager.sessionId != null ||
+            restoreSessionJob?.isActive == true
+        ) {
+            return
+        }
+
+        restoreSessionJob = lifecycleScope.launch {
+            if (container.authRepo.restoreSession() == LoginResult.InvalidCredentials) {
+                openLogin()
+            }
+        }
+    }
+
+    private fun openLogin() {
+        if (isFinishing) return
+
+        startActivity(
+            Intent(this, LoginActivity::class.java).apply {
+                flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+            }
+        )
+        finish()
+    }
+
     @Composable
     fun DrawerContent(modifier: Modifier = Modifier, navController: NavController) {
         val me = (application as UNNApp).container.sessionManager.user.collectAsState().value

app/src/main/java/ru/sweetbread/unn/app/UNNApp.kt

@@ -8,7 +8,9 @@ import ru.sweetbread.unn.core.AuthRepository
 import ru.sweetbread.unn.core.CredentialsStore
 import ru.sweetbread.unn.core.SessionManager
 import ru.sweetbread.unn.core.db.AppDatabase
+import ru.sweetbread.unn.core.network.LoginResult
 import ru.sweetbread.unn.core.network.PortalApi
+import ru.sweetbread.unn.core.network.SessionRefreshHandler
 import ru.sweetbread.unn.core.network.createHttpClient
 import ru.sweetbread.unn.feature.news.NewsRepository
 import ru.sweetbread.unn.feature.profile.UserRepository
@@ -33,8 +35,9 @@ class UNNApp : Application() {
 class AppContainer(context: Context) {
     val credentialsStore = CredentialsStore(context)
     val sessionManager = SessionManager()
+    val sessionRefreshHandler = SessionRefreshHandler()
 
-    val httpClient = createHttpClient()
+    val httpClient = createHttpClient(sessionRefreshHandler)
 
     val portalApi = PortalApi(
         client = httpClient,
@@ -43,6 +46,12 @@ class AppContainer(context: Context) {
 
     val authRepo = AuthRepository(credentialsStore, portalApi)
 
+    init {
+        sessionRefreshHandler.setRefreshAction {
+            authRepo.restoreSession() == LoginResult.Success
+        }
+    }
+
     val database = roomDb<AppDatabase>(name = "cache") {
         fallbackToDestructiveMigration(dropAllTables = true)
     }

app/src/main/java/ru/sweetbread/unn/core/AuthRepository.kt

@@ -2,8 +2,10 @@
 
 package ru.sweetbread.unn.core
 
-import android.util.Log
+import kotlinx.coroutines.flow.MutableSharedFlow
-import kotlinx.io.IOException
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 import ru.sweetbread.unn.core.network.LoginResult
 import ru.sweetbread.unn.core.network.PortalApi
 
@@ -11,6 +13,10 @@ class AuthRepository(
     private val credentialsStore: CredentialsStore,
     private val api: PortalApi
 ) {
+    private val restoreMutex = Mutex()
+    private val _authenticationFailures = MutableSharedFlow<Unit>(extraBufferCapacity = 1)
+    val authenticationFailures = _authenticationFailures.asSharedFlow()
+
     suspend fun login(
         login: String,
         password: String
@@ -26,21 +32,22 @@ class AuthRepository(
         return res
     }
 
-    suspend fun restoreSession(): Boolean {
+    fun hasSavedCredentials(): Boolean = credentialsStore.get() != null
-        val credentials =
-            credentialsStore.get()
-                ?: return false
 
-        return try {
+    suspend fun restoreSession(): LoginResult? = restoreMutex.withLock {
-            val res = api.login(
+        val credentials = credentialsStore.get() ?: return@withLock null
+
+        val result = api.login(
             credentials.login,
             credentials.password
         )
 
-            res != LoginResult.InvalidCredentials
+        if (result == LoginResult.InvalidCredentials) {
-        } catch (e: IOException) {
+            credentialsStore.clear()
-            Log.e("AuthRepo", "restoreSession error", e)
+            api.session.clear()
-            false
+            _authenticationFailures.emit(Unit)
         }
+
+        result
     }
 }

app/src/main/java/ru/sweetbread/unn/core/CredentialsStore.kt

@@ -7,6 +7,7 @@ import android.security.keystore.KeyGenParameterSpec
 import android.security.keystore.KeyProperties
 import android.util.Base64
 import androidx.core.content.edit
+import java.security.GeneralSecurityException
 import java.security.KeyStore
 import javax.crypto.Cipher
 import javax.crypto.KeyGenerator
@@ -97,6 +98,7 @@ class CredentialsStore(
     }
 
     fun get(): Credentials? {
+        return try {
             val encryptedString =
                 prefs.getString("data", null)
                     ?: return null
@@ -130,12 +132,18 @@ class CredentialsStore(
             val parts = plainText.split('\u0000', limit = 2)
 
             if (parts.size != 2)
-            return null
+                null
-
+            else Credentials(
-        return Credentials(
                 login = parts[0],
                 password = parts[1]
             )
+        } catch (_: GeneralSecurityException) {
+            clear()
+            null
+        } catch (_: IllegalArgumentException) {
+            clear()
+            null
+        }
     }
 
     fun clear() {

app/src/main/java/ru/sweetbread/unn/core/db/dao/NewsDao.kt

@@ -22,6 +22,9 @@ interface NewsDao {
     @Query("SELECT * FROM newsDB ORDER BY `publishedAt` DESC")
     fun paging(): PagingSource<Int, NewsDB>
 
+    @Query("DELETE FROM newsDB")
+    suspend fun clear()
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun insertAll(news: List<NewsDB>)
 

app/src/main/java/ru/sweetbread/unn/core/db/entity/Auditorium.kt

@@ -6,8 +6,8 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 import androidx.room.withTransaction
-import ru.sweetbread.unn.api.Auditorium
 import ru.sweetbread.unn.core.db.AppDatabase
+import ru.sweetbread.unn.model.Auditorium
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 

app/src/main/java/ru/sweetbread/unn/core/db/entity/Building.kt

@@ -5,7 +5,7 @@ package ru.sweetbread.unn.core.db.entity
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import ru.sweetbread.unn.api.Building
+import ru.sweetbread.unn.model.Building
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 

app/src/main/java/ru/sweetbread/unn/core/db/entity/Discipline.kt

@@ -5,7 +5,7 @@ package ru.sweetbread.unn.core.db.entity
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import ru.sweetbread.unn.api.Discipline
+import ru.sweetbread.unn.model.Discipline
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 

app/src/main/java/ru/sweetbread/unn/core/db/entity/KindOfWork.kt

@@ -5,7 +5,7 @@ package ru.sweetbread.unn.core.db.entity
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import ru.sweetbread.unn.api.KindOfWork
+import ru.sweetbread.unn.model.KindOfWork
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 

app/src/main/java/ru/sweetbread/unn/core/db/entity/Lecturer.kt

@@ -5,8 +5,8 @@ package ru.sweetbread.unn.core.db.entity
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import ru.sweetbread.unn.api.Lecturer
+import ru.sweetbread.unn.model.Lecturer
-import ru.sweetbread.unn.api.LecturerRank
+import ru.sweetbread.unn.model.LecturerRank
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 

app/src/main/java/ru/sweetbread/unn/core/db/entity/ScheduleUnit.kt

@@ -6,8 +6,8 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 import androidx.room.withTransaction
-import ru.sweetbread.unn.api.ScheduleUnit
 import ru.sweetbread.unn.core.db.AppDatabase
+import ru.sweetbread.unn.model.ScheduleUnit
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.LocalTime

app/src/main/java/ru/sweetbread/unn/core/db/entity/User.kt

@@ -6,7 +6,7 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 import io.ktor.util.reflect.instanceOf
-import ru.sweetbread.unn.api.AvatarSet
+import ru.sweetbread.unn.model.AvatarSet
 import ru.sweetbread.unn.model.Student
 import ru.sweetbread.unn.model.Type
 import ru.sweetbread.unn.model.User

app/src/main/java/ru/sweetbread/unn/core/network/client.kt

@@ -6,14 +6,37 @@ import android.util.Log
 import io.ktor.client.HttpClient
 import io.ktor.client.engine.android.Android
 import io.ktor.client.plugins.HttpRequestRetry
+import io.ktor.client.plugins.HttpSend
 import io.ktor.client.plugins.HttpTimeout
 import io.ktor.client.plugins.cache.HttpCache
 import io.ktor.client.plugins.cookies.HttpCookies
 import io.ktor.client.plugins.logging.LogLevel
 import io.ktor.client.plugins.logging.Logger
 import io.ktor.client.plugins.logging.Logging
+import io.ktor.client.plugins.plugin
+import io.ktor.client.request.HttpRequestBuilder
+import io.ktor.http.HttpStatusCode
+import io.ktor.util.AttributeKey
 
-fun createHttpClient() = HttpClient(Android) {
+private val SkipSessionRefresh = AttributeKey<Unit>("SkipSessionRefresh")
+private val SessionRefreshAttempted = AttributeKey<Unit>("SessionRefreshAttempted")
+
+fun HttpRequestBuilder.skipSessionRefresh() {
+    attributes.put(SkipSessionRefresh, Unit)
+}
+
+class SessionRefreshHandler {
+    @Volatile
+    private var refresh: suspend () -> Boolean = { false }
+
+    fun setRefreshAction(action: suspend () -> Boolean) {
+        refresh = action
+    }
+
+    suspend fun refreshSession(): Boolean = refresh()
+}
+
+fun createHttpClient(sessionRefreshHandler: SessionRefreshHandler) = HttpClient(Android) {
     install(HttpCache)
     install(HttpCookies)
     install(Logging) {
@@ -34,4 +57,24 @@ fun createHttpClient() = HttpClient(Android) {
             request.headers.append("x-retry-count", retryCount.toString())
         }
     }
+}.apply {
+    plugin(HttpSend).intercept { request ->
+        val call = execute(request)
+
+        if (
+            call.response.status == HttpStatusCode.Forbidden &&
+            request.attributes.getOrNull(SkipSessionRefresh) == null &&
+            request.attributes.getOrNull(SessionRefreshAttempted) == null
+        ) {
+            request.attributes.put(SessionRefreshAttempted, Unit)
+
+            if (sessionRefreshHandler.refreshSession()) {
+                execute(request)
+            } else {
+                call
+            }
+        } else {
+            call
+        }
+    }
 }

app/src/main/java/ru/sweetbread/unn/core/network/endpoints.kt

@@ -11,15 +11,15 @@ import io.ktor.client.statement.bodyAsText
 import io.ktor.http.parameters
 import org.json.JSONArray
 import org.json.JSONObject
-import ru.sweetbread.unn.api.Auditorium
-import ru.sweetbread.unn.api.Building
-import ru.sweetbread.unn.api.Discipline
-import ru.sweetbread.unn.api.KindOfWork
-import ru.sweetbread.unn.api.Lecturer
-import ru.sweetbread.unn.api.LecturerRank
-import ru.sweetbread.unn.api.ScheduleUnit
 import ru.sweetbread.unn.core.SessionManager
+import ru.sweetbread.unn.model.Auditorium
+import ru.sweetbread.unn.model.Building
+import ru.sweetbread.unn.model.Discipline
+import ru.sweetbread.unn.model.KindOfWork
+import ru.sweetbread.unn.model.Lecturer
+import ru.sweetbread.unn.model.LecturerRank
 import ru.sweetbread.unn.model.NewsDto
+import ru.sweetbread.unn.model.ScheduleUnit
 import ru.sweetbread.unn.model.User
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -50,7 +50,10 @@ class Auth (
                 append("USER_LOGIN", login)
                 append("USER_PASSWORD", password)
             }
-        ) { retry { noRetry() } }
+        ) {
+            retry { noRetry() }
+            skipSessionRefresh()
+        }
 
         if (r.status.value == 302)
             return """PHPSESSID=([\w\d]+)""".toRegex().find(r.headers["Set-Cookie"]!!)!!.groupValues[1]
@@ -182,7 +185,9 @@ class Bitrix(
     val client: HttpClient,
 ) {
     suspend fun getCurrentUser(): User {
-        val r = client.get("$vuzapiURL/profile/current")
+        val r = client.get("$vuzapiURL/profile/current") {
+            skipSessionRefresh()
+        }
         return User.fromProfile(JSONObject(r.bodyAsText()))
     }
 

app/src/main/java/ru/sweetbread/unn/feature/news/NewsRemoteMediator.kt

@@ -64,9 +64,9 @@ class NewsRemoteMediator(
             }
 
             db.withTransaction {
-//                if (loadType == LoadType.REFRESH) {
+                if (loadType == LoadType.REFRESH) {
-//                    db.newsDao().clear()
+                    db.newsDao().clear()
-//                }
+                }
 
                 db.newsDao().insertAll(
                     news.map { it.toEntity() }

app/src/main/java/ru/sweetbread/unn/feature/schedule/Schedule.kt

@@ -44,15 +44,15 @@ import androidx.compose.ui.zIndex
 import androidx.lifecycle.viewmodel.compose.viewModel
 import kotlinx.coroutines.delay
 import ru.sweetbread.unn.R
-import ru.sweetbread.unn.api.Auditorium
-import ru.sweetbread.unn.api.Building
-import ru.sweetbread.unn.api.Discipline
-import ru.sweetbread.unn.api.KindOfWork
-import ru.sweetbread.unn.api.Lecturer
-import ru.sweetbread.unn.api.LecturerRank
-import ru.sweetbread.unn.api.ScheduleUnit
 import ru.sweetbread.unn.feature.schedule.components.BoundedWeekPicker
 import ru.sweetbread.unn.feature.schedule.components.GroupsNameText
+import ru.sweetbread.unn.model.Auditorium
+import ru.sweetbread.unn.model.Building
+import ru.sweetbread.unn.model.Discipline
+import ru.sweetbread.unn.model.KindOfWork
+import ru.sweetbread.unn.model.Lecturer
+import ru.sweetbread.unn.model.LecturerRank
+import ru.sweetbread.unn.model.ScheduleUnit
 import ru.sweetbread.unn.ui.theme.UNNTheme
 import splitties.resources.appStr
 import java.time.LocalDate

app/src/main/java/ru/sweetbread/unn/feature/schedule/ScheduleRepository.kt

@@ -5,12 +5,11 @@ package ru.sweetbread.unn.feature.schedule
 import androidx.room.withTransaction
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
-import ru.sweetbread.unn.api.ScheduleUnit
-import ru.sweetbread.unn.core.SessionManager
 import ru.sweetbread.unn.core.db.AppDatabase
 import ru.sweetbread.unn.core.db.entity.cacheSchedule
 import ru.sweetbread.unn.core.db.entity.toModel
 import ru.sweetbread.unn.core.network.PortalApi
+import ru.sweetbread.unn.model.ScheduleUnit
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter

app/src/main/java/ru/sweetbread/unn/feature/schedule/ScheduleViewModel.kt

@@ -15,7 +15,7 @@ import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import ru.sweetbread.unn.app.UNNApp
-import ru.sweetbread.unn.api.ScheduleUnit
+import ru.sweetbread.unn.model.ScheduleUnit
 import java.time.LocalDate
 
 data class ScheduleUiState(

app/src/main/java/ru/sweetbread/unn/feature/schedule/components/GroupsNameText.kt

@@ -27,7 +27,16 @@ fun GroupsNameText(
 ) {
     val suffix = if (text.endsWith("-В-OUP")) "-В-OUP" else null
     val mainPart = if (suffix != null) text.dropLast(6) else text
-    val blocks = mainPart.split('|')
+    val blocks = if (mainPart.startsWith("Поток_(") && mainPart.endsWith(')')) {
+        mainPart
+            .removePrefix("Поток_(")
+            .dropLast(1)
+            .split(';')
+            .map(String::trim)
+            .filter(String::isNotEmpty)
+    } else {
+        mainPart.split('|')
+    }
 
     FlowRow(
         modifier = modifier,

app/src/main/java/ru/sweetbread/unn/model/Schedule.kt

@@ -1,19 +1,12 @@
 // Copyright (c) 2026 Gleb Zaharov. License: GPLv3 (see LICENSE).
 
-package ru.sweetbread.unn.api
+package ru.sweetbread.unn.model
 
 import ru.sweetbread.unn.R
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.LocalTime
 
-enum class LecturerRank(val id: Int) {
-    Assistant(R.string.assistant),
-    Lecturer(R.string.lecturer),
-    SLecturer(R.string.slecturer),
-    AProfessor(R.string.aprofessor)
-}
-
 class ScheduleUnit(
     val oid: Int,
     val auditorium: Auditorium,
@@ -27,6 +20,13 @@ class ScheduleUnit(
     val lastUpdated: LocalDateTime,
 )
 
+enum class LecturerRank(val id: Int) {
+    Assistant(R.string.assistant),
+    Lecturer(R.string.lecturer),
+    SLecturer(R.string.slecturer),
+    AProfessor(R.string.aprofessor)
+}
+
 class Auditorium(
     val name: String,
     val oid: Int,
@@ -60,18 +60,3 @@ class Lecturer(
     val unnId: Int,
     val uid: String
 )
-
-class Post(
-    val id: Int,
-    val authorId: Int,
-    val enableComments: Boolean,
-    val numComments: Int,
-    val date: LocalDateTime,
-    val content: String
-)
-
-class AvatarSet(
-    val original: String,
-    val thumbnail: String,
-    val small: String
-)

app/src/main/java/ru/sweetbread/unn/model/User.kt

@@ -4,15 +4,12 @@ package ru.sweetbread.unn.model
 
 import org.json.JSONObject
 import ru.sweetbread.unn.R
-import ru.sweetbread.unn.api.AvatarSet
 import splitties.resources.appStr
 
 enum class Type(val s: String) {
-    student(appStr(R.string.student)),
+    Student(appStr(R.string.student)),
-    // group("group"),
+    Lecturer(appStr(R.string.lecturer)),
-    lecturer(appStr(R.string.lecturer)),
+    Employee(appStr(R.string.employee))
-    // auditorium("auditorium"),
-    employee(appStr(R.string.employee))
 }
 
 open class User(
@@ -32,8 +29,8 @@ open class User(
                 .getJSONObject(0)
                 .getString("type")
         ) {
-            "student" -> Type.student
+            "student" -> Type.Student
-            else -> Type.employee
+            else -> Type.Employee
         },
         json.getString("email"),
         json.getString("fullname"),
@@ -53,8 +50,8 @@ open class User(
             return User(
                 user.getInt("id"),
                 when (json.getString("type")) {
-                    "student" -> Type.student
+                    "student" -> Type.Student
-                    else -> Type.employee
+                    else -> Type.Employee
                 },
                 user.getString("email"),
                 user.getString("fullname"),
@@ -71,7 +68,7 @@ open class User(
 
         fun getPlaceholder() = User(
             0,
-            Type.employee,
+            Type.Employee,
             "",
             "Удалённый пользователь",
             "Deleted user",
@@ -108,3 +105,9 @@ class Student(
         group
     )
 }
+
+class AvatarSet(
+    val original: String,
+    val thumbnail: String,
+    val small: String
+)