Отчеты

app/build.gradle.kts

@@ -1,6 +1,9 @@
+import org.jetbrains.kotlin.kapt3.base.Kapt.kapt
+
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
+    id("kotlin-kapt")
 }
 
 android {
@@ -30,11 +33,11 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "17"
     }
     buildFeatures {
         compose = true
@@ -54,6 +57,27 @@ dependencies {
     implementation("androidx.navigation:navigation-compose:2.7.4")
     implementation("androidx.compose.material:material:1.5.4")
 
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9")
+
+    implementation("androidx.room:room-ktx:2.6.0")
+    kapt("androidx.room:room-compiler:2.6.0")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2")
+    implementation ("androidx.lifecycle:lifecycle-runtime-ktx:2.4.0")
+
+    val paging_version = "3.1.1"
+    implementation ("androidx.paging:paging-runtime:$paging_version")
+// alternatively - without Android dependencies for tests
+    testImplementation ("androidx.paging:paging-common:$paging_version")
+// optional - RxJava2 support
+    implementation ("androidx.paging:paging-rxjava2:$paging_version")
+// optional - RxJava3 support
+    implementation ("androidx.paging:paging-rxjava3:$paging_version")
+// optional - Guava ListenableFuture support
+    implementation ("androidx.paging:paging-guava:$paging_version")
+// optional - Jetpack Compose integration
+    implementation ("androidx.paging:paging-compose:1.0.0-alpha18")
+
+
     implementation("androidx.core:core-ktx:1.9.0")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")
     implementation("androidx.activity:activity-compose:1.7.0")

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:name=".BicycleRentApplication"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.LabWork"

app/src/main/java/com/example/labwork/BicycleRentApplication.kt

@@ -0,0 +1,14 @@
+package com.example.labwork
+
+import android.app.Application
+import com.example.labwork.database.AppContainer
+import com.example.labwork.database.AppDataContainer
+
+class BicycleRentApplication : Application() {
+    lateinit var container: AppContainer
+
+    override fun onCreate() {
+        super.onCreate()
+        container = AppDataContainer(this)
+    }
+}

app/src/main/java/com/example/labwork/MainActivity.kt

@@ -3,20 +3,30 @@ package com.example.labwork
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.activity.viewModels
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.lifecycle.viewmodel.compose.viewModel
 import com.example.labwork.button_navigation.MainScreen
+import com.example.labwork.database.AppDatabase
 import com.example.labwork.ui.theme.LabWorkTheme
+import com.example.labwork.viewmodel.AppViewModelProvider
+import com.example.labwork.viewmodel.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
+
 
 class MainActivity : ComponentActivity() {
+    private val userViewModel: UserViewModel by viewModels()
+    private val bicycleViewModel: BicycleViewModel by viewModels()
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
         setContent {
             LabWorkTheme {
-                MainScreen()
+                MainScreen(viewModel(factory = AppViewModelProvider.Factory), userViewModel = viewModel(factory = AppViewModelProvider.Factory))
             }
         }
     }
-}
+}

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

@@ -4,18 +4,33 @@ import android.annotation.SuppressLint
 
 import androidx.compose.material.Scaffold
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.compose.rememberNavController
+import com.example.labwork.database.DAO.BicycleDao
+import com.example.labwork.database.DAO.UserDao
+import com.example.labwork.repository.OfflineBicycleRepository
+import com.example.labwork.repository.OfflineUserRepository
+import com.example.labwork.viewmodel.AppViewModelProvider
+import com.example.labwork.viewmodel.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
 
 @SuppressLint("UnusedMaterialScaffoldPaddingParameter")
 @Composable
-fun MainScreen() {
+fun MainScreen(bicycleViewModel: BicycleViewModel = viewModel(factory = AppViewModelProvider.Factory),
+               userViewModel: UserViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
     val navController = rememberNavController()
-    Scaffold(
-        bottomBar =  {
-            SlideNavigation(navController = navController)
 
+    Scaffold(
+        bottomBar = {
+            SlideNavigation(navController = navController)
         }
     ) {
-        SlideGraph(navHostController = navController)
+        SlideGraph(
+            navHostController = navController,
+            bicycleViewModel = bicycleViewModel,
+            userViewModel = userViewModel
+        )
     }
 }

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

@@ -1,16 +1,44 @@
 package com.example.labwork.button_navigation
 
+import androidx.compose.foundation.layout.Column
+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.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.Text
+import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import com.example.labwork.models.getItemProducts
+import androidx.compose.ui.unit.sp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavHostController
+import androidx.paging.LoadState
+import androidx.paging.compose.collectAsLazyPagingItems
 import com.example.labwork.pages.ListInfo
-import com.example.labwork.pages.ListProduct
-import com.example.labwork.pages.RegisteryOrLogin
+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.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.AppViewModelProvider
+import com.example.labwork.viewmodel.BicycleScreenViewModel
+import com.example.labwork.viewmodel.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
 
 @Composable
 fun ScreenInfo() {
@@ -18,22 +46,58 @@ fun ScreenInfo() {
 }
 
 @Composable
-fun ScreenProfile() {
-    RegisteryOrLogin()
+fun ScreenProfile(userViewModel: UserViewModel, navHostController: NavHostController, bicycleViewModel: BicycleViewModel) {
+    RegisteryOrLogin(userViewModel, navHostController, bicycleViewModel)
 }
 
-
 @Composable
-fun ScreenListProduct() {
-    LazyColumn(
+fun ScreenListProduct(
+    bicycleViewModel: BicycleViewModel,
+    navHostController: NavHostController,
+    bicycleScreenViewModel: BicycleScreenViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val bicycles = bicycleScreenViewModel.bicycles.collectAsLazyPagingItems()
+
+    LaunchedEffect(Unit) {
+        bicycleViewModel.fetchBicycles()
+    }
+
+
+
+    Column(
         modifier = Modifier.fillMaxHeight().padding(bottom = 65.dp)
     ) {
-        itemsIndexed(
-            getItemProducts()
-        )
-        {
-            _, item ->
-            ListProduct(item = item)
+        FormNewProduct(bicycleViewModel, navHostController)
+
+        LazyColumn {
+            items(count = bicycles.itemCount) { index ->
+                val bicycle = bicycles[index]
+                if (bicycle != null) {
+                    ListProduct(
+                        item = bicycle,
+                        bicycleViewModel = bicycleViewModel,
+                        navHostController = navHostController
+                    )
+                }
+            }
+            bicycles.apply {
+                when {
+                    loadState.refresh is LoadState.Loading -> {
+                        item { CircularProgressIndicator(modifier = Modifier.fillParentMaxSize(), color = LightBluePolitech) }
+                    }
+                    loadState.append is LoadState.Loading -> {
+                        item { CircularProgressIndicator(modifier = Modifier.fillParentMaxSize(), color = LightBluePolitech) }
+                    }
+                    loadState.refresh is LoadState.Error -> {
+                        val err = bicycles.loadState.refresh as LoadState.Error
+                        item { Text(err.error.localizedMessage) }
+                    }
+                    loadState.append is LoadState.Error -> {
+                        val err = bicycles.loadState.append as LoadState.Error
+                        item { Text(err.error.localizedMessage) }
+                    }
+                }
+            }
         }
     }
 }

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

@@ -2,25 +2,33 @@ package com.example.labwork.button_navigation
 
 
 import androidx.compose.runtime.Composable
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
+import com.example.labwork.repository.OfflineBicycleRepository
+import com.example.labwork.repository.OfflineUserRepository
+import com.example.labwork.viewmodel.AppViewModelProvider
+import com.example.labwork.viewmodel.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
 
 
 @Composable
 fun SlideGraph(
-    navHostController: NavHostController
+    navHostController: NavHostController,
+    bicycleViewModel: BicycleViewModel = viewModel(factory = AppViewModelProvider.Factory),
+    userViewModel: UserViewModel = viewModel(factory = AppViewModelProvider.Factory)
 ) {
-    NavHost(navController = navHostController, startDestination = "Profile"){
 
-        composable("Profile"){
-            ScreenProfile()
+    NavHost(navController = navHostController, startDestination = "Profile") {
+        composable("Profile") {
+            ScreenProfile(userViewModel, bicycleViewModel = bicycleViewModel, navHostController = navHostController)
         }
-        composable("Info"){
+        composable("Info") {
             ScreenInfo()
         }
-        composable("ListProduct"){
-            ScreenListProduct()
+        composable("ListProduct") {
+            ScreenListProduct(bicycleViewModel, navHostController = navHostController)
         }
     }
 }

app/src/main/java/com/example/labwork/database/AppContainer.kt

@@ -0,0 +1,25 @@
+package com.example.labwork.database
+
+import android.content.Context
+import com.example.labwork.repository.BicycleRepository
+import com.example.labwork.repository.OfflineBicycleRepository
+import com.example.labwork.repository.OfflineUserRepository
+import com.example.labwork.repository.UserRepository
+
+interface AppContainer {
+    val userRepository: UserRepository
+    val bicycleRepository: BicycleRepository
+}
+
+class AppDataContainer(private val context: Context) : AppContainer {
+    override val userRepository: UserRepository by lazy {
+        OfflineUserRepository(AppDatabase.getInstance(context).userDao())
+    }
+    override val bicycleRepository: BicycleRepository by lazy {
+        OfflineBicycleRepository(AppDatabase.getInstance(context).bicycleDao())
+    }
+
+    companion object {
+        const val TIMEOUT = 5000L
+    }
+}

app/src/main/java/com/example/labwork/database/AppDatabase.kt

@@ -0,0 +1,82 @@
+package com.example.labwork.database
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import androidx.sqlite.db.SupportSQLiteDatabase
+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 kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.util.concurrent.Executors
+
+@Database(entities = [User::class, Bicycle::class], version = 1)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun userDao(): UserDao
+    abstract fun bicycleDao(): BicycleDao
+
+    companion object {
+        private var instance: AppDatabase? = null
+
+        fun getInstance(context: Context): AppDatabase {
+            if (instance == null) {
+                synchronized(AppDatabase::class) {
+                    instance = Room.databaseBuilder(
+                        context.applicationContext,
+                        AppDatabase::class.java,
+                        "my-database"
+                    )
+                        .addCallback(object : RoomDatabase.Callback() {
+                            override fun onCreate(db: SupportSQLiteDatabase) {
+                                super.onCreate(db)
+                                Executors.newSingleThreadExecutor().execute {
+                                    CoroutineScope(Dispatchers.IO).launch {
+                                        populateDatabase(instance!!)
+                                    }
+                                }
+                            }
+                        })
+                        .build()
+                }
+            }
+            return instance!!
+        }
+
+        private suspend fun populateDatabase(database: AppDatabase) {
+            val userDao = database.userDao()
+            val bicycleDao = database.bicycleDao()
+
+            // Создание пользователей
+            val user1 = User(null, "John Doe", "john.doe@example.com", "password123")
+            val user2 = User(null, "Jane Smith", "jane.smith@example.com", "password456")
+
+            // Вставка пользователей в базу данных
+            userDao.insertUser(user1)
+            userDao.insertUser(user2)
+
+            // Создание велосипедов
+            val bicycle1 = Bicycle(brand = "Trek", model = "Велосипед 1", color = "Black", userId = 1, id = null)
+            val bicycle2 = Bicycle(brand = "Trek", model = "Велосипед 2", color = "Black", userId = null, id = null)
+            val bicycle3 = Bicycle(brand = "Trek", model = "Велосипед 3", color = "Black", userId = 1, id = null)
+            val bicycle4 = Bicycle(brand = "Trek", model = "Велосипед 4", color = "Black", userId = null, id = null)
+            val bicycle5 = Bicycle(brand = "Trek", model = "Велосипед 5", color = "Black", userId = null, id = null)
+            val bicycle6 = Bicycle(brand = "Trek", model = "Велосипед 6", color = "Black", userId = null, id = null)
+
+            // Вставка велосипедов в базу данных
+            bicycleDao.insertBicycle(bicycle1)
+            bicycleDao.insertBicycle(bicycle2)
+            bicycleDao.insertBicycle(bicycle3)
+            bicycleDao.insertBicycle(bicycle4)
+            bicycleDao.insertBicycle(bicycle5)
+            bicycleDao.insertBicycle(bicycle6)
+
+        }
+
+    }
+}
+
+

app/src/main/java/com/example/labwork/database/DAO/BicycleDao.kt

@@ -0,0 +1,32 @@
+package com.example.labwork.database.DAO
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.labwork.models.Bicycle
+
+@Dao
+interface BicycleDao {
+    @Insert
+    suspend fun insertBicycle(bicycle: Bicycle)
+
+    @Update
+    suspend fun updateBicycle(bicycle: Bicycle)
+
+    @Delete
+    suspend fun deleteBicycle(bicycle: Bicycle)
+
+    @Query("SELECT * FROM bicycles")
+    suspend fun getAllBicycles(): List<Bicycle>
+
+    @Query("SELECT * FROM bicycles WHERE id = :bicycleId")
+    suspend fun getBicycleById(bicycleId: Int?): Bicycle
+
+    @Query("SELECT * FROM bicycles WHERE userId = :userId")
+    suspend fun getBicyclesByUserId(userId: Int): List<Bicycle>
+
+    @Query("SELECT * FROM bicycles ORDER BY id ASC LIMIT :limit OFFSET :offset")
+    suspend fun getBicycles(limit: Int, offset: Int): List<Bicycle>
+}

app/src/main/java/com/example/labwork/database/DAO/UserDao.kt

@@ -0,0 +1,35 @@
+package com.example.labwork.database.DAO
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.labwork.models.User
+
+@Dao
+interface UserDao {
+    @Insert
+    suspend fun insertUser(user: User)
+
+    @Update
+    suspend fun updateUser(user: User)
+
+    @Delete
+    suspend fun deleteUser(user: User)
+
+    @Query("SELECT * FROM users")
+    suspend fun getAllUsers(): List<User>
+
+    @Query("SELECT * FROM users WHERE id = :userId")
+    suspend fun getUserById(userId: Int): User
+
+    @Query("SELECT * FROM users WHERE email = :email")
+    suspend fun getUserByEmail(email: String): User
+
+    @Query("SELECT password FROM users WHERE email = :email")
+    suspend fun getPasswordByEmail(email: String): String
+
+    @Query("SELECT * FROM users WHERE email = :email AND password = :password")
+    suspend fun getUserByEmailAndPassword(email: String, password: String): User?
+}

app/src/main/java/com/example/labwork/database/Paging/BicyclePagingSource.kt

@@ -0,0 +1,37 @@
+package com.example.labwork.database.Paging
+
+import android.util.Log
+import androidx.paging.PagingSource
+import androidx.paging.PagingState
+import com.example.labwork.database.DAO.BicycleDao
+import com.example.labwork.models.Bicycle
+import kotlinx.coroutines.delay
+
+class BicyclePagingSource(private val dao: BicycleDao,
+) : PagingSource<Int, Bicycle>() {
+    override suspend fun load(params: LoadParams<Int>): LoadResult<Int, Bicycle> {
+        val page = params.key ?: 0
+
+        return try {
+            Log.d("MainPagingSource", "load: $page")
+            val entities = dao.getBicycles(params.loadSize, page * params.loadSize)
+            if (page != 0) delay(2000)
+            LoadResult.Page(
+                data = entities,
+                prevKey = if (page == 0) null else page - 1,
+                nextKey = if (entities.isEmpty()) null else page + 1
+            )
+        } catch (e: Exception) {
+            LoadResult.Error(e)
+        }
+    }
+
+    override val jumpingSupported: Boolean = true
+
+    override fun getRefreshKey(state: PagingState<Int, Bicycle>): Int? {
+        return state.anchorPosition?.let { anchorPosition ->
+            val anchorPage = state.closestPageToPosition(anchorPosition)
+            anchorPage?.prevKey?.plus(1) ?: anchorPage?.nextKey?.minus(1)
+        }
+    }
+}

app/src/main/java/com/example/labwork/models/Bicycle.kt

@@ -0,0 +1,19 @@
+package com.example.labwork.models
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "bicycles",
+    foreignKeys = [ForeignKey(entity = User::class,
+        parentColumns = ["id"],
+        childColumns = ["userId"],
+        onDelete = ForeignKey.SET_NULL)])
+data class Bicycle(
+    @PrimaryKey(autoGenerate = true)
+    val id: Int?,
+    var brand: String,
+    var model: String,
+    var color: String,
+    val userId: Int?
+)

app/src/main/java/com/example/labwork/models/ItemProduct.kt

@@ -1,25 +0,0 @@
-package com.example.labwork.models
-
-import com.example.labwork.R
-import java.io.Serializable
-
-data class ItemProduct(
-    val imageId: Int,
-    val name: String,
-    val about: String
-) : Serializable
-
-fun getItemProducts(): List<ItemProduct> {
-    return listOf(
-        ItemProduct(R.drawable.baseline_menu_book,"Золотая рыбка","Старик трудолюбивый (трижды забрасывал невод), добрый (отпустил просящую о пощаде единственную добычу), покорный (не перечит жене). Появление волшебной рыбки проявило алчную натуру женщины: требовательную, грубую, жаждущую от корыта до возможности быть владычицей морскою."),
-        ItemProduct(R.drawable.baseline_menu_book,"451° по Фаренгейту","Мастер мирового масштаба, совмещающий в литературе несовместимое. Создатель таких ярчайших шедевров, как \"Марсианские хроники\", \"451° по Фаренгейту"),
-        ItemProduct(R.drawable.baseline_menu_book,"1984","Своеобразный антипод второй великой антиутопии XX века - \"О дивный новый мир\" Олдоса Хаксли. Что, в сущности, страшнее: доведенное до абсурда \"общество потребления\""),
-        ItemProduct(R.drawable.baseline_menu_book,"Мастер и Маргарита","Один из самых загадочных и удивительных романов XX века. «Мастер и Маргарита» – визитная карточка Михаила Булгакова. Более десяти лет он работал над"),
-        ItemProduct(R.drawable.baseline_menu_book,"Шантарам","Представляем читателю один из самых поразительных романов начала XXI века (в 2015 году получивший долгожданное продолжение – «Тень горы»)."),
-        ItemProduct(R.drawable.baseline_menu_book,"Цветы для Элджернона","Сорок лет назад это считалось фантастикой. Сорок лет назад это читалось как фантастика."),
-        ItemProduct(R.drawable.baseline_menu_book,"Три товарища","Трое друзей - Робби, отчаянный автогонщик Кестер и \"последний романтик\" Ленц прошли Первую мировую войну."),
-        ItemProduct(R.drawable.baseline_menu_book,"Портрет Дориана Грея","«Портрет Дориана Грея» – одно из величайших произведений последних полутора столетий, роман, который пытались запретить, а автора осуждали"),
-        ItemProduct(R.drawable.baseline_menu_book,"Маленький принц","«Маленький принц» — аллегорическая повесть, наиболее известное произведение Антуана де Сент-Экзюпери. ")
-
-    )
-}

app/src/main/java/com/example/labwork/models/User.kt

@@ -0,0 +1,15 @@
+package com.example.labwork.models
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "users")
+data class User(
+    @PrimaryKey(autoGenerate = true)
+    val id: Int?,
+    var name: String,
+    var email: String,
+    var password: String,
+)
+

app/src/main/java/com/example/labwork/pages/ListInfo.kt

@@ -1,7 +1,6 @@
 package com.example.labwork.pages
 
 import androidx.compose.foundation.Image
-import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
@@ -55,7 +54,7 @@ fun ListInfo() {
                     .shadow(16.dp, shape = RoundedCornerShape(8.dp))
             ) {
                 Image(
-                    painter = painterResource(id = R.drawable.logo_ulstu),
+                    painter = painterResource(id = R.drawable.baseline_directions_bike_24),
                     contentDescription = "Menu Image",
                     Modifier.fillMaxSize()
                 )
@@ -90,7 +89,7 @@ fun ListInfo() {
                     onClick = { selectedTab = 1 }
                 ) {
                     Text(
-                        text = "Библиотека",
+                        text = "Аренда велосипедов",
                         modifier = Modifier.padding(8.dp),
                         textAlign = TextAlign.Center,
                     )
@@ -110,7 +109,7 @@ fun ListInfo() {
             Spacer(modifier = Modifier.height(16.dp))
             when (selectedTab) {
                 0 -> InfoUniver()
-                1 -> InfoBiblio()
+                1 -> InfoBike()
                 2 -> InfoProgrammer()
             }
         }
@@ -120,7 +119,9 @@ fun ListInfo() {
 @Composable
 fun InfoUniver() {
     LazyColumn(
-        modifier = Modifier.fillMaxSize().padding(bottom = 65.dp),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(bottom = 65.dp),
         contentPadding = PaddingValues(16.dp)
     ) {
         item {
@@ -210,9 +211,11 @@ fun InfoUniver() {
 }
 
 @Composable
-fun InfoBiblio() {
+fun InfoBike() {
     LazyColumn(
-        modifier = Modifier.fillMaxSize().padding(bottom = 65.dp),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(bottom = 65.dp),
         contentPadding = PaddingValues(16.dp)
     ) {
         item {
@@ -226,28 +229,26 @@ fun InfoBiblio() {
             Text("Технический университет подобным сокровищем обладает!",modifier = Modifier.padding(bottom = 16.dp))
 
             Text(
-                text = "Наша Научная библиотека соответствует всем современным требованиям технического вуза. Постоянно пополняющийся библиотечный фонд составляет более 1100 тыс. единиц хранения, формируется по специальностям (с учетом всех направлений учебного и научного процессов университета) изданиями, отвечающими требованиям программ высшей школы. В фонде имеются зарубежные издания, диссертации, авторефераты, документы на электронных носителях. Пользователям предоставляется доступ к электронным ресурсам удалённого доступа, входящим в состав электронно-библиотечной системы «ЭльбруС» УлГТУ."
+                text = "Аренда велосипедов стала популярной и удобной системой передвижения в нашем университете. " +
+                        "Это новая и интересная инициатива, которая предоставляет возможность студентам и персоналу " +
+                        "университета арендовать велосипеды для своих транспортных нужд."
                 ,modifier = Modifier.padding(bottom = 16.dp)
             )
 
             Text(
-                text = "К услугам читателей: зал каталогов, aвонементы научной и учебной литературы, общий читальный зал, отдел экономической и иностранной литературы. Выдача комплектов учебников первокурсникам, зал для аспирантов и преподавателей, зал периодических изданий, читальный зал машиностроительного факультета, читальный зал электронных ресурсов, отдел художественной литературы, научно-библиографический отдел, библиотека Института авиационных технологий и управления, Барышского колледжа — филиала УлГТУ."
+                text = "Система аренды велосипедов в университете работает через специальное мобильное приложение, " +
+                        "которое позволяет зарегистрированным пользователям легко и быстро арендовать велосипеды. " +
+                        "Велосипеды предоставляются в зоне университета и пользуются большим спросом среди студентов, " +
+                        "которые хотят быстро и удобно перемещаться по территорий и её окрестности."
                 ,modifier = Modifier.padding(bottom = 16.dp)
             )
 
             Text(
-                text = "Абонемент учебной литературы обеспечивает студентов и лицеистов учебниками и учебными пособиями в соответствии с учебными программами. Научные, научно-популярные и справочные издания для подготовки рефератов, докладов, курсовых и дипломных работ, а также издания по орган. Располагает богатым фондом справочных и информационных изданий. В отделе художественной литературы собраны книги на любой вкус: есть классическая русская и зарубежная, современная отечественная и иностранная литература; тематика книг - от фантастики, детективов, приключений и женских романов до серьезной, философской литературы. В отделе иностранной литературы хранятся учебные и научные издания на английском, немецком и французском языках. Читальный зал электронных ресурсов (медиатека) НБ УлГТУ располагает фондом CD, DVD по различным отраслям знаний. На территории Научной библиотеки размещены точки доступа в Интернет по технологии Wi-Fi. Право доступа в беспроводную локальной сети предоставляется всем желающим студентам и сотрудникам университета, имеющим учетную запись пользователя корпоративной сети университета."
-                ,modifier = Modifier.padding(bottom = 16.dp)
-            )
-
-            Text(
-                text = "События библиотечной жизни оперативно отражаются на нашем сайте (http://lib.ulstu.ru), сайт также обеспечивает круглосуточный доступ пользователей к каталогам и базам данных библиотеки."
-                ,modifier = Modifier.padding(bottom = 16.dp)
-            )
-
-            Text(
-                text = "Научная библиотека ведёт активную работу в помощь духовно-нравственному, патриотическому и эстетическому воспитанию своих читателей, используя различные формы и методы библиотечного обслуживания, такие как: книжные выставки, тематические обзоры, беседы, творческие встречи с интересными людьми, конкурсы и викторины."
-                ,modifier = Modifier.padding(bottom = 16.dp)
+                text = "В целом, система аренды велосипедов в университете представляет собой инновационный и удобный способ транспортировки. " +
+                        "Она делает перемещение по университету более доступным, эффективным и приятным. " +
+                        "Кроме того, аренда велосипедов способствует здоровому образу жизни и позволяет студентам" +
+                        " в полной мере наслаждаться красотами университетского окружения.",
+                modifier = Modifier.padding(bottom = 16.dp)
             )
 
             Spacer(modifier = Modifier.height(16.dp))
@@ -255,7 +256,7 @@ fun InfoBiblio() {
             Text("Адреса электронной почты",
                 fontSize = 16.sp,
                 fontWeight = FontWeight.Bold)
-            Text(text = "rector@ulstu.ru")
+            Text(text = "arendabike@ulstu.ru")
         }
     }
 }
@@ -263,7 +264,9 @@ fun InfoBiblio() {
 @Composable
 fun InfoProgrammer() {
     LazyColumn(
-        modifier = Modifier.fillMaxSize().padding(bottom = 65.dp),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(bottom = 65.dp),
         contentPadding = PaddingValues(16.dp)
     ) {
         item {

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

@@ -0,0 +1,247 @@
+package com.example.labwork.pages.product
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.Text
+import androidx.compose.material.TextField
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+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.navigation.NavHostController
+import com.example.labwork.database.DAO.BicycleDao
+import com.example.labwork.models.Bicycle
+import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.BicycleViewModel
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+@Composable
+fun FormNewProduct(
+    bicycleViewModel: BicycleViewModel,
+    navHostController: NavHostController
+) {
+    val isFormVisible = remember { mutableStateOf(false) }
+    var brand by remember { mutableStateOf("") }
+    var model by remember { mutableStateOf("") }
+    var color by remember { mutableStateOf("") }
+
+    Button(
+        colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(9.dp),
+        onClick = {
+            // Установите значение состояния открытия формы как true
+            isFormVisible.value = true
+        },
+        shape = RoundedCornerShape(15.dp)
+    ) {
+        Text(
+            text = "Добавить",
+            color = Color.White,
+            fontSize = 10.sp,
+            textAlign = TextAlign.Center
+        )
+    }
+
+    if (isFormVisible.value) {
+        Column(
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            // Поле ввода для бренда
+            TextField(
+                value = brand,
+                onValueChange = { brand = it },
+                placeholder = { Text("Бренд") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+            )
+
+            // Поле ввода для модели
+            TextField(
+                value = model,
+                onValueChange = { model = it },
+                placeholder = { Text("Модель") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+            )
+
+            // Поле ввода для цвета
+            TextField(
+                value = color,
+                onValueChange = { color = it },
+                placeholder = { Text("Цвет") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+            )
+
+            Button(
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(9.dp),
+                onClick = {
+                    val newBicycle = Bicycle(null, brand, model, color, null)
+                    bicycleViewModel.insertBicycle(newBicycle)
+                    isFormVisible.value = false
+                    navHostController.navigate("ListProduct")
+                },
+                shape = RoundedCornerShape(15.dp)
+            ) {
+                Text(
+                    text = "Принять",
+                    color = Color.White,
+                    fontSize = 10.sp,
+                    textAlign = TextAlign.Center
+                )
+            }
+            Button(
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(9.dp),
+                onClick = {
+                    isFormVisible.value = false
+                    navHostController.navigate("ListProduct")
+                },
+                shape = RoundedCornerShape(15.dp)
+            ) {
+                Text(
+                    text = "Отменить",
+                    color = Color.White,
+                    fontSize = 10.sp,
+                    textAlign = TextAlign.Center
+                )
+            }
+        }
+
+    }
+}
+
+@Composable
+fun FormUpdateProduct(
+    item: Bicycle,
+    bicycleViewModel: BicycleViewModel,
+    navHostController: NavHostController
+) {
+    val isFormVisible = remember { mutableStateOf(false) }
+    var brand by remember { mutableStateOf(item.brand) }
+    var model by remember { mutableStateOf(item.model) }
+    var color by remember { mutableStateOf(item.color) }
+
+    Button(
+        colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+        modifier = Modifier
+            .padding(start = 9.dp, bottom = 9.dp)
+            .size(height = 32.dp, width = 128.dp),
+        onClick = {
+            // Установите значение состояния открытия формы как true
+            isFormVisible.value = true
+        },
+        shape = RoundedCornerShape(15.dp)
+    ) {
+        Text(
+            text = "Редактировать",
+            color = Color.White,
+            fontSize = 10.sp,
+            textAlign = TextAlign.Center
+        )
+    }
+
+    if (isFormVisible.value) {
+        Column(
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            // Поле ввода для бренда
+            TextField(
+                value = brand,
+                onValueChange = { brand = it },
+                placeholder = { Text("Бренд") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+            )
+
+            // Поле ввода для модели
+            TextField(
+                value = model,
+                onValueChange = { model = it },
+                placeholder = { Text("Модель") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+            )
+
+            // Поле ввода для цвета
+            TextField(
+                value = color,
+                onValueChange = { color = it },
+                placeholder = { Text("Цвет") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+            )
+
+            Button(
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(9.dp),
+                onClick = {
+                    val newBicycle = Bicycle(item.id, brand, model, color, null)
+                    bicycleViewModel.updateBicycle(newBicycle)
+                    isFormVisible.value = false
+                    navHostController.navigate("ListProduct")
+                },
+                shape = RoundedCornerShape(15.dp)
+            ) {
+                Text(
+                    text = "Принять",
+                    color = Color.White,
+                    fontSize = 10.sp,
+                    textAlign = TextAlign.Center
+                )
+            }
+            Button(
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(9.dp),
+                onClick = {
+                    isFormVisible.value = false
+                    navHostController.navigate("ListProduct")
+                },
+                shape = RoundedCornerShape(15.dp)
+            ) {
+                Text(
+                    text = "Отменить",
+                    color = Color.White,
+                    fontSize = 10.sp,
+                    textAlign = TextAlign.Center
+                )
+            }
+        }
+
+    }
+}

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

@@ -1,4 +1,4 @@
-package com.example.labwork.pages
+package com.example.labwork.pages.product
 
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.core.animateDpAsState
@@ -35,12 +35,15 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.example.labwork.models.ItemProduct
+import androidx.navigation.NavHostController
+import com.example.labwork.R
+import com.example.labwork.models.Bicycle
 import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.BicycleViewModel
 
 
 @Composable
-fun ListProduct(item: ItemProduct) {
+fun ListProduct(item: Bicycle, bicycleViewModel : BicycleViewModel, navHostController: NavHostController) {
     var isFullAbout by remember { mutableStateOf(false) }
     val scale by animateFloatAsState(if (isFullAbout) 1f else 0f)
     val textSize by animateDpAsState(if (isFullAbout) 18.dp else 24.dp)
@@ -56,7 +59,7 @@ fun ListProduct(item: ItemProduct) {
             Row(verticalAlignment = Alignment.CenterVertically) {
                 Column {
                     Image(
-                        painter = painterResource(id = item.imageId),
+                        painter = painterResource(id = R.drawable.baseline_directions_bike_24),
                         contentDescription = "book",
                         contentScale = ContentScale.Crop,
                         modifier = Modifier
@@ -81,43 +84,21 @@ fun ListProduct(item: ItemProduct) {
                             textAlign = TextAlign.Center,
                         )
                     }
-                    Row {
+                    Column {
+                        FormUpdateProduct(item, bicycleViewModel, navHostController)
                         Button(
                             colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
                             modifier = Modifier
                                 .padding(start = 9.dp, bottom = 9.dp)
-                                .size(height = 32.dp, width = 40.dp),
+                                .size(height = 32.dp, width = 128.dp),
                             onClick = {
-                                /*TODO*/
+                                bicycleViewModel.deleteBicycle(item)
+                                navHostController.navigate("ListProduct")
                             },
                             shape = RoundedCornerShape(15.dp)
                         ) {
                             Text(
-                                text = "+",
-                                color = Color.White,
-                                fontSize = 10.sp,
-                                textAlign = TextAlign.Center,
-                            )
-                        }
-                        Text(
-                            text = "1000",
-                            color = Color.Black,
-                            fontSize = 14.sp,
-                            textAlign = TextAlign.Center,
-                            modifier = Modifier.padding(start = 8.dp, top = 4.dp)
-                        )
-                        Button(
-                            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
-                            modifier = Modifier
-                                .padding(start = 9.dp, bottom = 9.dp)
-                                .size(height = 32.dp, width = 40.dp),
-                            onClick = {
-                                /*TODO*/
-                            },
-                            shape = RoundedCornerShape(15.dp)
-                        ) {
-                            Text(
-                                text = "-",
+                                text = "Удалить",
                                 color = Color.White,
                                 fontSize = 10.sp,
                                 textAlign = TextAlign.Center,
@@ -127,7 +108,7 @@ fun ListProduct(item: ItemProduct) {
                 }
                 Column {
                     Text(
-                        text = item.name,
+                        text = item.model,
                         color = Color.Black,
                         fontSize = textSize.value.sp,
                         fontWeight = FontWeight.Bold,
@@ -136,22 +117,51 @@ fun ListProduct(item: ItemProduct) {
                             .fillMaxWidth()
                             .padding(top = 8.dp)
                     )
+
                     AnimatedVisibility(
                         visible = isFullAbout,
                         enter = fadeIn() + expandIn(),
                         exit = fadeOut() + shrinkOut(),
                         modifier = Modifier.scale(scale)
                     ) {
-                        Text(
-                            color = Color.Black,
-                            text = item.about,
-                            maxLines = 10,
-                            fontSize = 14.sp,
-                            textAlign = TextAlign.Center,
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .padding(bottom = 8.dp)
-                        )
+                        Column {
+                            Text(
+                                color = Color.Black,
+                                text = item.brand,
+                                maxLines = 10,
+                                fontSize = 14.sp,
+                                textAlign = TextAlign.Center,
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                            )
+                            Text(
+                                color = Color.Black,
+                                text = item.color,
+                                maxLines = 10,
+                                fontSize = 14.sp,
+                                textAlign = TextAlign.Center,
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                            )
+                            Text(
+                                color = Color.Black,
+                                text = item.brand,
+                                maxLines = 10,
+                                fontSize = 14.sp,
+                                textAlign = TextAlign.Center,
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                            )
+                            Text(
+                                color = Color.Black,
+                                text = if (item.userId != null) "Занято" else "Свободно",
+                                maxLines = 10,
+                                fontSize = 14.sp,
+                                textAlign = TextAlign.Center,
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                            )
+                        }
                     }
                 }
             }

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

@@ -0,0 +1,167 @@
+package com.example.labwork.pages.user
+
+import android.widget.Toast
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Arrangement
+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.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.IconButton
+import androidx.compose.material.Text
+import androidx.compose.material.TextField
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.navigation.NavController
+import androidx.navigation.NavHostController
+import com.example.labwork.R
+import com.example.labwork.models.User
+import com.example.labwork.ui.theme.LightBluePolitech
+import com.example.labwork.viewmodel.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+
+@Composable
+fun LoginPage(
+    navController: NavController,
+    navHostController: NavHostController,
+    userViewModel: UserViewModel,
+    bicycleViewModel: BicycleViewModel
+) {
+    var email by remember { mutableStateOf("") }
+    var password by remember { mutableStateOf("") }
+    var showPassword by remember { mutableStateOf(false) }
+    var user by remember { mutableStateOf<User?>(null) }
+    var acceptLogin by remember { mutableStateOf(false) }
+
+    if (acceptLogin == true) {
+        user?.let { userProfile ->
+            ProfileForm(item = userProfile, userViewModel = userViewModel, navHostController = navHostController, bicycleViewModel = bicycleViewModel)
+        }
+    }
+
+    else {
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(16.dp),
+            verticalArrangement = Arrangement.Center,
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            Image(
+                painter = painterResource(R.drawable.logo_ulstu),
+                contentDescription = "Logo",
+                modifier = Modifier.size(200.dp)
+            )
+            Spacer(modifier = Modifier.height(16.dp))
+
+            TextField(
+                value = email,
+                onValueChange = { email = it },
+                label = { Text("Почта") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                textStyle = TextStyle(fontSize = 16.sp),
+                colors = TextFieldDefaults.textFieldColors(
+                    cursorColor = LightBluePolitech,
+                    backgroundColor = Color.White,
+                    textColor = LightBluePolitech,
+                    unfocusedLabelColor = LightBluePolitech,
+                    focusedIndicatorColor = LightBluePolitech,
+                    unfocusedIndicatorColor = LightBluePolitech,
+                    focusedLabelColor = LightBluePolitech
+                ),
+                singleLine = true
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+
+            TextField(
+                value = password,
+                onValueChange = { password = it },
+                label = { Text("Пароль") },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                textStyle = TextStyle(fontSize = 16.sp),
+                colors = TextFieldDefaults.textFieldColors(
+                    cursorColor = LightBluePolitech,
+                    backgroundColor = Color.White,
+                    textColor = LightBluePolitech,
+                    unfocusedLabelColor = LightBluePolitech,
+                    focusedIndicatorColor = LightBluePolitech,
+                    unfocusedIndicatorColor = LightBluePolitech,
+                    focusedLabelColor = LightBluePolitech
+                ),
+                singleLine = true,
+                visualTransformation = if (showPassword) VisualTransformation.None else PasswordVisualTransformation(),
+                trailingIcon = {
+                    IconButton(
+                        onClick = { showPassword = !showPassword }
+                    ) {
+                        Image(
+                            painter = if (showPassword) painterResource(R.drawable.baseline_visibility) else painterResource(
+                                R.drawable.baseline_visibility_off
+                            ),
+                            contentDescription = "LogoVissable",
+                            modifier = Modifier.size(24.dp)
+                        )
+                    }
+                }
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+
+            Button(
+                onClick = {
+                    GlobalScope.launch {
+                        val result = userViewModel.login(email, password)
+                        user = userViewModel.getUserByEmail(email)
+                        if (result) {
+                            acceptLogin = true
+                        }
+                    }
+                },
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech,),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp)
+            ) {
+                Text(text = "Авторизоваться", color = Color.White)
+            }
+            Spacer(modifier = Modifier.height(8.dp))
+
+            Button(
+                onClick = { navController.navigate("register") },
+                colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp)
+            ) {
+                Text(text = "Регистрация", color = Color.White)
+            }
+        }
+    }
+}

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

@@ -0,0 +1,156 @@
+package com.example.labwork.pages.user
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.ClickableText
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.DropdownMenuItem
+import androidx.compose.material.Text
+import androidx.compose.material.TextField
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.AnnotatedString
+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.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+
+@Composable
+fun ProfileForm(item: User, userViewModel: UserViewModel, navHostController: NavHostController, bicycleViewModel: BicycleViewModel) {
+
+    val bicycles by bicycleViewModel.bicycles.collectAsState(emptyList())
+
+    var selectedBicycleId by remember { mutableStateOf<Int?>(null) }
+    val selectedBicycle = bicycles.find { it.id == selectedBicycleId }
+    val expandedDropdown = remember { mutableStateOf(false) }
+
+    var email by remember { mutableStateOf(item.email) }
+    var name by remember { mutableStateOf(item.name) }
+    var password by remember { mutableStateOf(item.password) }
+
+    Column(
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        TextField(
+            value = email,
+            onValueChange = { email = it },
+            placeholder = { Text("Почта") },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+            colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+        )
+
+        TextField(
+            value = name,
+            onValueChange = { name = it },
+            placeholder = { Text("Имя") },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+            colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+        )
+
+        TextField(
+            value = password,
+            onValueChange = { password = it },
+            placeholder = { Text("Пароль") },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+            colors = TextFieldDefaults.textFieldColors(backgroundColor = Color.White)
+        )
+
+        Button(
+            onClick = { expandedDropdown.value = true },
+            modifier = Modifier.padding(9.dp),
+            shape = RoundedCornerShape(15.dp),
+            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+        ) {
+            Text(
+                text = AnnotatedString(selectedBicycle?.brand ?: "Выберите велосипед"),
+                color = Color.White,
+                fontSize = 10.sp,
+                textAlign = TextAlign.Center
+            )
+        }
+
+        DropdownMenu(
+            expanded = expandedDropdown.value,
+            onDismissRequest = { expandedDropdown.value = false }
+        ) {
+            bicycles.forEach { bicycle ->
+                DropdownMenuItem(
+                    onClick = {
+                        selectedBicycleId = bicycle.id
+                        expandedDropdown.value = false
+                        println(item.id)
+                        println(bicycle.id)
+                    }
+                ) {
+                    Text(text = "${bicycle.brand} ${bicycle.model}")
+                }
+            }
+        }
+
+        Button(
+            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(9.dp),
+            onClick = {
+                userViewModel.updateUser(User(item.id!!, email, name, password))
+                //userViewModel.updateBicycleUserId(selectedBicycleId!!, item.id) // Обновление userId для Bicycle
+                navHostController.navigate("ListProduct")
+            },
+            shape = RoundedCornerShape(15.dp)
+        ) {
+            Text(
+                text = "Принять",
+                color = Color.White,
+                fontSize = 10.sp,
+                textAlign = TextAlign.Center
+            )
+        }
+        Button(
+            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(9.dp),
+            onClick = {
+                navHostController.navigate("ListProduct")
+            },
+            shape = RoundedCornerShape(15.dp)
+        ) {
+            Text(
+                text = "Отменить",
+                color = Color.White,
+                fontSize = 10.sp,
+                textAlign = TextAlign.Center
+            )
+        }
+    }
+}
+

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

@@ -0,0 +1,57 @@
+package com.example.labwork.pages.user
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Arrangement
+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.foundation.layout.size
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.IconButton
+import androidx.compose.material.Text
+import androidx.compose.material.TextField
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.navigation.NavController
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+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.BicycleViewModel
+import com.example.labwork.viewmodel.UserViewModel
+
+@Composable
+fun RegisteryOrLogin(userViewModel: UserViewModel, navHostController: NavHostController, bicycleViewModel: BicycleViewModel) {
+    val navController = rememberNavController()
+
+    NavHost(navController, startDestination = "login") {
+        composable("login") {
+            LoginPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController, bicycleViewModel = bicycleViewModel)
+        }
+        composable("register") {
+            RegisteryPage(navController = navController, userViewModel = userViewModel, navHostController = navHostController)
+        }
+    }
+}
+

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

@@ -1,4 +1,4 @@
-package com.example.labwork.pages
+package com.example.labwork.pages.user
 
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Arrangement
@@ -11,7 +11,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.material.Button
 import androidx.compose.material.ButtonDefaults
-import androidx.compose.material.IconButton
 import androidx.compose.material.Text
 import androidx.compose.material.TextField
 import androidx.compose.material.TextFieldDefaults
@@ -26,34 +25,26 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.input.PasswordVisualTransformation
-import androidx.compose.ui.text.input.VisualTransformation
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.navigation.NavController
-import androidx.navigation.compose.NavHost
-import androidx.navigation.compose.composable
-import androidx.navigation.compose.rememberNavController
+import androidx.navigation.NavHostController
 import com.example.labwork.R
+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 RegisteryOrLogin() {
-    val navController = rememberNavController()
-
-    NavHost(navController, startDestination = "login") {
-        composable("login") {
-            LoginPage(navController)
-        }
-        composable("register") {
-            RegisteryPage(navController)
-        }
-    }
-}
-@Composable
-fun LoginPage(navController: NavController) {
+fun RegisteryPage(navController: NavController, userViewModel: UserViewModel, navHostController: NavHostController) {
     var username by remember { mutableStateOf("") }
     var password by remember { mutableStateOf("") }
-    var showPassword by remember { mutableStateOf(false) }
+    var confirmPassword by remember { mutableStateOf("") }
+    var email by remember { mutableStateOf("") }
 
     Column(
         modifier = Modifier
@@ -91,85 +82,9 @@ fun LoginPage(navController: NavController) {
         Spacer(modifier = Modifier.height(8.dp))
 
         TextField(
-            value = password,
-            onValueChange = { password = it },
-            label = { Text("Пароль") },
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp),
-            textStyle = TextStyle(fontSize = 16.sp),
-            colors = TextFieldDefaults.textFieldColors(
-                cursorColor = LightBluePolitech,
-                backgroundColor = Color.White,
-                textColor = LightBluePolitech,
-                unfocusedLabelColor = LightBluePolitech,
-                focusedIndicatorColor = LightBluePolitech,
-                unfocusedIndicatorColor = LightBluePolitech,
-                focusedLabelColor = LightBluePolitech
-            ),
-            singleLine = true,
-            visualTransformation = if (showPassword) VisualTransformation.None else PasswordVisualTransformation(),
-            trailingIcon = {
-                IconButton(
-                    onClick = { showPassword = !showPassword }
-                ) {
-                    Image(
-                        painter = if(showPassword) painterResource(R.drawable.baseline_visibility) else painterResource(R.drawable.baseline_visibility_off),
-                        contentDescription = "LogoVissable",
-                        modifier = Modifier.size(24.dp)
-                    )
-                }
-            }
-        )
-        Spacer(modifier = Modifier.height(8.dp))
-
-        Button(
-            onClick = { /* Login logic */ },
-            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech, ),
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp)
-        ) {
-            Text(text = "Авторизоваться", color = Color.White)
-        }
-        Spacer(modifier = Modifier.height(8.dp))
-
-        Button(
-            onClick = { navController.navigate("register") },
-            colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp)
-        ) {
-            Text(text = "Регистрация", color = Color.White)
-        }
-    }
-}
-
-@Composable
-fun RegisteryPage(navController: NavController) {
-    var username by remember { mutableStateOf("") }
-    var password by remember { mutableStateOf("") }
-    var confirmPassword by remember { mutableStateOf("") }
-
-    Column(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(16.dp),
-        verticalArrangement = Arrangement.Center,
-        horizontalAlignment = Alignment.CenterHorizontally
-    ) {
-        Image(
-            painter = painterResource(R.drawable.logo_ulstu),
-            contentDescription = "Logo",
-            modifier = Modifier.size(200.dp)
-        )
-        Spacer(modifier = Modifier.height(16.dp))
-
-        TextField(
-            value = username,
-            onValueChange = { username = it },
-            label = { Text("Логин") },
+            value = email,
+            onValueChange = { email = it },
+            label = { Text("Почта") },
             modifier = Modifier
                 .fillMaxWidth()
                 .padding(horizontal = 16.dp),
@@ -230,7 +145,13 @@ fun RegisteryPage(navController: NavController) {
         Spacer(modifier = Modifier.height(8.dp))
 
         Button(
-            onClick = { /* Register logic */ },
+            onClick = {
+                if (password == confirmPassword) {
+                    val newUser = User(null, name = username, email = email, password = password)
+                    userViewModel.insertUser(newUser)
+                    navController.navigate("login")
+                }
+            },
             colors = ButtonDefaults.buttonColors(backgroundColor = LightBluePolitech),
             modifier = Modifier
                 .fillMaxWidth()

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

@@ -0,0 +1,15 @@
+package com.example.labwork.repository
+
+import androidx.paging.PagingData
+import com.example.labwork.models.Bicycle
+import kotlinx.coroutines.flow.Flow
+
+interface BicycleRepository {
+    suspend fun insertBicycle(bicycle: Bicycle)
+    suspend fun updateBicycle(bicycle: Bicycle)
+    suspend fun deleteBicycle(bicycle: Bicycle)
+    suspend fun getAllBicycles(): List<Bicycle>
+    fun getBicycles(): Flow<PagingData<Bicycle>>
+    suspend fun getBicyclesByUserId(userId: Int): List<Bicycle>
+    suspend fun getBicycleById(bicycleId: Int?): Bicycle
+}

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

@@ -0,0 +1,44 @@
+package com.example.labwork.repository
+
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import com.example.labwork.database.DAO.BicycleDao
+import com.example.labwork.database.Paging.BicyclePagingSource
+import com.example.labwork.models.Bicycle
+import kotlinx.coroutines.flow.Flow
+
+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 fun getBicycles(): Flow<PagingData<Bicycle>> = Pager(config = PagingConfig(pageSize = 3, jumpThreshold = 3, initialLoadSize = 3) )
+    {
+        BicyclePagingSource(bicycleDao)
+    }.flow
+
+}
+
+
+

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

@@ -0,0 +1,38 @@
+package com.example.labwork.repository
+
+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
+
+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

@@ -0,0 +1,13 @@
+package com.example.labwork.repository
+
+import com.example.labwork.models.User
+
+interface UserRepository {
+    suspend fun getAllUsers(): List<User>
+    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?
+}

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

@@ -0,0 +1,25 @@
+package com.example.labwork.viewmodel
+
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewmodel.CreationExtras
+import androidx.lifecycle.viewmodel.initializer
+import androidx.lifecycle.viewmodel.viewModelFactory
+import com.example.labwork.BicycleRentApplication
+
+object AppViewModelProvider {
+    val Factory = viewModelFactory {
+        initializer {
+            BicycleScreenViewModel(BicycleRentApplication().container.bicycleRepository)
+        }
+        initializer {
+            BicycleViewModel(BicycleRentApplication().container.bicycleRepository)
+        }
+        initializer {
+            UserViewModel(BicycleRentApplication().container.userRepository)
+        }
+
+    }
+}
+
+fun CreationExtras.BicycleRentApplication(): BicycleRentApplication =
+    (this[ViewModelProvider.AndroidViewModelFactory.APPLICATION_KEY] as BicycleRentApplication)

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

@@ -0,0 +1,11 @@
+package com.example.labwork.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.paging.PagingData
+import com.example.labwork.models.Bicycle
+import com.example.labwork.repository.BicycleRepository
+import kotlinx.coroutines.flow.Flow
+
+class BicycleScreenViewModel(private val bicycleRepository: BicycleRepository) : ViewModel()  {
+    val bicycles: Flow<PagingData<Bicycle>> = bicycleRepository.getBicycles()
+}

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

@@ -0,0 +1,69 @@
+package com.example.labwork.viewmodel
+
+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.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+class BicycleViewModel(private val bicycleRepository: BicycleRepository) : ViewModel() {
+    private val _bicycles = MutableLiveData<List<Bicycle>>()
+    val bicycles: StateFlow<List<Bicycle>> = MutableStateFlow(emptyList())
+
+    private val _currentPage = MutableStateFlow(1)
+    val currentPage: StateFlow<Int> = _currentPage
+
+    fun setCurrentPage(page: Int) {
+        _currentPage.value = page
+    }
+
+    fun getCurrentPage(): Int {
+        return _currentPage.value
+    }
+
+    fun fetchBicycles() {
+        viewModelScope.launch {
+            val fetchedBicycles = bicycleRepository.getAllBicycles()
+            (bicycles as MutableStateFlow).value = fetchedBicycles
+        }
+    }
+    fun fetchAllBicycles() {
+        viewModelScope.launch {
+            _bicycles.value = bicycleRepository.getAllBicycles()
+        }
+    }
+    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 +1,57 @@
+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)
+        }
+    }
+
+    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)
+        }
+    }
+
+    suspend fun login(email: String, password: String): Boolean {
+        var isSuccess = false
+        val user = userRepository.getUserByEmail(email)
+        isSuccess = user != null && user.password == password
+        return isSuccess
+    }
+
+    suspend fun getUserByEmail(email: String): User? {
+        return userRepository.getUserByEmail(email)
+    }
+
+}
+

app/src/main/res/drawable/baseline_directions_bike_24.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="#004890" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M15.5,5.5c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM5,12c-2.8,0 -5,2.2 -5,5s2.2,5 5,5 5,-2.2 5,-5 -2.2,-5 -5,-5zM5,20.5c-1.9,0 -3.5,-1.6 -3.5,-3.5s1.6,-3.5 3.5,-3.5 3.5,1.6 3.5,3.5 -1.6,3.5 -3.5,3.5zM10.8,10.5l2.4,-2.4 0.8,0.8c1.3,1.3 3,2.1 5.1,2.1L19.1,9c-1.5,0 -2.7,-0.6 -3.6,-1.5l-1.9,-1.9c-0.5,-0.4 -1,-0.6 -1.6,-0.6s-1.1,0.2 -1.4,0.6L7.8,8.4c-0.4,0.4 -0.6,0.9 -0.6,1.4 0,0.6 0.2,1.1 0.6,1.4L11,14v5h2v-6.2l-2.2,-2.3zM19,12c-2.8,0 -5,2.2 -5,5s2.2,5 5,5 5,-2.2 5,-5 -2.2,-5 -5,-5zM19,20.5c-1.9,0 -3.5,-1.6 -3.5,-3.5s1.6,-3.5 3.5,-3.5 3.5,1.6 3.5,3.5 -1.6,3.5 -3.5,3.5z"/>
+</vector>

local.properties

@@ -4,5 +4,5 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Fri Oct 27 18:44:58 GMT+04:00 2023
-sdk.dir=C\:\\Users\\kashi\\AppData\\Local\\Android\\Sdk
+#Sun Nov 19 17:10:30 GMT+04:00 2023
+sdk.dir=C\:\\android-sdk