Начало положено

.idea/kotlinc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.8.10" />
+    <option name="version" value="1.8.20" />
   </component>
 </project>

.idea/misc.xml

@@ -1,9 +1,6 @@
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
+    <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

.idea/vcs.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>

app/build.gradle.kts

@@ -1,16 +1,17 @@
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
+    id("com.google.devtools.ksp")
 }
 
 android {
     namespace = "com.example.todolisttask"
-    compileSdk = 34
+    compileSdk = 33
 
     defaultConfig {
         applicationId = "com.example.todolisttask"
         minSdk = 24
-        targetSdk = 34
+        targetSdk = 33
         versionCode = 1
         versionName = "1.0"
 
@@ -30,17 +31,17 @@ 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
     }
     composeOptions {
-        kotlinCompilerExtensionVersion = "1.4.3"
+        kotlinCompilerExtensionVersion = "1.4.5"
     }
     packaging {
         resources {
@@ -48,11 +49,16 @@ android {
         }
     }
 }
+kotlin {
+    jvmToolchain(17)
+}
 
 dependencies {
-    implementation ("io.coil-kt:coil-compose:1.4.0")
+    // Core
     implementation("androidx.core:core-ktx:1.9.0")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+
+    // UI
     implementation("androidx.activity:activity-compose:1.7.2")
     implementation(platform("androidx.compose:compose-bom:2023.03.00"))
     implementation("androidx.navigation:navigation-compose:2.6.0")
@@ -60,9 +66,16 @@ dependencies {
     implementation("androidx.compose.ui:ui-graphics")
     implementation("androidx.compose.ui:ui-tooling-preview")
     implementation("androidx.compose.material3:material3")
-    implementation("com.google.android.engage:engage-core:1.3.0")
-    implementation("androidx.appcompat:appcompat:1.6.1")
-    implementation("androidx.compose.ui:ui-graphics-android:1.5.3")
+
+    // Room
+    val room_version = "2.5.2"
+    implementation("androidx.room:room-runtime:$room_version")
+    annotationProcessor("androidx.room:room-compiler:$room_version")
+    ksp("androidx.room:room-compiler:$room_version")
+    implementation("androidx.room:room-ktx:$room_version")
+    implementation("androidx.room:room-paging:$room_version")
+
+    // Tests
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")

app/src/main/java/com/example/todolisttask/composeui/CreateTask.kt

@@ -12,7 +12,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
-import com.example.todolisttask.models.model.AuthViewModel
 import com.example.todolisttask.models.model.Task
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -49,19 +48,19 @@ fun CreateTask(navController: NavController, onSaveClick: (Task) -> Unit) {
 
         Spacer(modifier = Modifier.height(16.dp))
 
-        Button(
-            onClick = {
-                if (taskName.isNotEmpty()) {
-                    val newTask = Task(0, taskName, taskDescription)
-                    onSaveClick(newTask)
-                    taskName = ""
-
-                    navController.popBackStack()
-                }
-            },
-            modifier = Modifier.fillMaxWidth()
-        ) {
-            Text("Сохранить")
-        }
+//        Button(
+//            onClick = {
+//                if (taskName.isNotEmpty()) {
+//                    val newTask = Task(0, taskName, taskDescription)
+//                    onSaveClick(newTask)
+//                    taskName = ""
+//
+//                    navController.popBackStack()
+//                }
+//            },
+//            modifier = Modifier.fillMaxWidth()
+//        ) {
+//            Text("Сохранить")
+//        }
     }
 }

app/src/main/java/com/example/todolisttask/composeui/Favorite.kt

@@ -6,16 +6,12 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.height
-import androidx.compose.material3.Button
 import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
-import com.example.todolisttask.composeui.navigation.Screen
-import com.example.todolisttask.models.composeui.TaskList
 import com.example.todolisttask.models.model.AuthViewModel
 import com.example.todolisttask.models.model.TaskViewModel
 import com.example.todolisttask.models.model.UserViewModel

app/src/main/java/com/example/todolisttask/composeui/Home.kt

@@ -1,36 +1,23 @@
 package com.example.todolisttask.composeui
 
 import android.annotation.SuppressLint
-import android.net.Uri
-import androidx.activity.compose.rememberLauncherForActivityResult
-import androidx.activity.result.contract.ActivityResultContracts
-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.material3.Button
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Text
-import androidx.compose.material3.TextField
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
-import coil.compose.rememberImagePainter
 import com.example.todolisttask.composeui.navigation.Screen
-import com.example.todolisttask.models.composeui.TaskList
 import com.example.todolisttask.models.model.AuthViewModel
 import com.example.todolisttask.models.model.TaskViewModel
-import com.example.todolisttask.models.model.User
 import com.example.todolisttask.models.model.UserViewModel
-import com.example.todolisttask.models.composeui.TaskList
 
 @OptIn(ExperimentalMaterial3Api::class)
 @SuppressLint("RememberReturnType")

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

@@ -28,7 +28,6 @@ import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
-import coil.compose.rememberImagePainter
 import com.example.todolisttask.composeui.navigation.Screen
 import com.example.todolisttask.models.model.User
 import kotlinx.coroutines.flow.callbackFlow

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

@@ -4,9 +4,7 @@ package com.example.todolisttask.composeui.navigation
 import CreateTask
 import android.os.Build
 import androidx.annotation.RequiresApi
-import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
@@ -23,7 +21,6 @@ import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.navigation.NavDestination
@@ -41,7 +38,6 @@ import com.example.pmuapp.composeui.Profile
 import com.example.todolisttask.R
 import com.example.todolisttask.composeui.EditTask
 import com.example.todolisttask.composeui.Favorite
-import com.example.todolisttask.models.composeui.TaskList
 import com.example.todolisttask.models.model.AuthViewModel
 import com.example.todolisttask.models.model.TaskViewModel
 import com.example.todolisttask.models.model.UserViewModel

app/src/main/java/com/example/todolisttask/models/composeui/TaskList.kt

@@ -1,141 +1,52 @@
 package com.example.todolisttask.models.composeui
 
-import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.border
-import androidx.compose.foundation.layout.Arrangement
+import android.content.res.Configuration
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
-import androidx.compose.foundation.layout.FlowColumn
-import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Delete
-import androidx.compose.material.icons.filled.Edit
-import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material3.Button
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.key
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 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.font.FontWeight
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
 import androidx.navigation.NavController
+import com.example.todolisttask.AppDatabase
 import com.example.todolisttask.composeui.navigation.Screen
-import com.example.todolisttask.models.model.AuthViewModel
-import com.example.todolisttask.models.model.TaskViewModel
-import com.example.todolisttask.models.model.UserViewModel
+import com.example.todolisttask.models.model.Task
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 
-@OptIn(ExperimentalFoundationApi::class, ExperimentalLayoutApi::class)
 @Composable
-fun TaskList(navController: NavController, authViewModel: AuthViewModel, taskViewModel: TaskViewModel, userViewModel: UserViewModel, userId: Int, showFavorites: Boolean = false) {
+fun TaskList(navController: NavController?) {
+    val context = LocalContext.current
+    val tasks = remember { mutableStateListOf<Task>() }
 
-        val currentUser = userViewModel.getUser(userId)
-        var tasks = if (showFavorites) currentUser.favoritetask else currentUser.taskId
-
-        LazyColumn(
-                verticalArrangement = Arrangement.Center,
-                horizontalAlignment = Alignment.CenterHorizontally
-        ) {
-                if (userId != authViewModel.currentUser?.id ?: -1) {
-                        item {
-                                Text(
-                                        text = currentUser?.name + " (" + currentUser.login + ")",
-                                        style = TextStyle(
-                                                fontSize = 24.sp,
-                                                fontWeight = FontWeight.Bold
-                                        ),
-                                        modifier = Modifier.padding(16.dp)
-                                )
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            val taskList = AppDatabase.getInstance(context).taskDao().getAll()
+            tasks.clear()
+            tasks.addAll(taskList)
         }
     }
 
-                item {
-                        FlowColumn() {
+    Column(Modifier.padding(all = 10.dp)) {
         tasks.forEach { task ->
-                                        val taskName = task.name
-                                        val taskDescription = task.description
-
-                                        FlowRow(
+            key(task.uid) {
+                val taskId = Screen.Home.route.replace("{id}", task.uid.toString())
+                Button(
                     modifier = Modifier
-                                                        .padding(8.dp)
-                                                        .border(
-                                                                1.dp,
-                                                                Color.Black,
-                                                        ),
-                                                horizontalArrangement = Arrangement.SpaceBetween
-                                        ) {
-                                                IconButton(
-                                                        onClick = {
-                                                                navController?.navigate(
-                                                                        Screen.EditTask.route.replace(
-                                                                                "{id}",
-                                                                                task.id.toString()
-                                                                        )
-                                                                )
-                                                        },
-                                                ) {
-                                                        Icon(
-                                                                imageVector = Icons.Default.Edit,
-                                                                contentDescription = "Изменить"
-                                                        )
-                                                }
-
-                                                Column(
-                                                        modifier = Modifier.weight(1f)
-                                                                .padding(top = 4.dp)
-                                                ) {
-                                                        Text(
-                                                                text = taskName,
-                                                                style = TextStyle(
-                                                                        fontWeight = FontWeight.Bold
-                                                                )
-                                                        )
-
-                                                        if (taskDescription.isNotBlank()) {
-                                                                Text(
-                                                                        text = taskDescription
-                                                                )
-                                                        }
-                                                }
-
-                                                IconButton(
-                                                        onClick = {
-                                                                taskViewModel.deleteTask(task)
-                                                                userViewModel.deleteTask(
-                                                                        currentUser?.id ?: 0,
-                                                                        task.id
-                                                                )
-                                                                authViewModel.currentUser =
-                                                                        userViewModel.getUser(
-                                                                                currentUser?.id ?: 0
-                                                                        )
-                                                        }
-                                                ) {
-                                                        Icon(
-                                                                imageVector = Icons.Default.Delete,
-                                                                contentDescription = "Удалить"
-                                                        )
-                                                }
-                                                IconButton(
-                                                        onClick = {
-                                                                userViewModel.addFavoriteTaskToUser(userId, task)
-                                                        }
-                                                ) {
-                                                        Icon(
-                                                                imageVector = Icons.Default.Favorite,
-                                                                contentDescription = "Добавить в избранное"
-                                                        )
-                                                }
-                                        }
+                        .fillMaxWidth()
+                        .padding(all = 10.dp),
+                    onClick = { navController?.navigate(taskId) }) {
+                    Text("${task.name} ${task.description}")
                 }
             }
         }

app/src/main/java/com/example/todolisttask/models/composeui/TaskView.kt

@@ -0,0 +1,83 @@
+package com.example.todolisttask.models.composeui
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.example.todolisttask.AppDatabase
+import com.example.todolisttask.R
+import com.example.todolisttask.models.model.TaskWithUser
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun TaskView(id: Int) {
+    val context = LocalContext.current
+    val (taskWithUser, setTaskWithUser) = remember { mutableStateOf<TaskWithUser?>(null) }
+
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            setTaskWithUser(AppDatabase.getInstance(context).userDao().getByUid(id))
+        }
+    }
+
+    taskWithUser?.let { task ->
+        Column(
+            Modifier
+                .fillMaxWidth()
+                .padding(all = 10.dp)
+        ) {
+            OutlinedTextField(
+                modifier = Modifier.fillMaxWidth(),
+                value = task.user?.name ?: "",
+                onValueChange = {},
+                readOnly = true,
+                label = {
+                    Text(stringResource(id = R.string.user_name))
+                }
+            )
+            OutlinedTextField(
+                modifier = Modifier.fillMaxWidth(),
+                value = task.user?.login ?: "",
+                onValueChange = {},
+                readOnly = true,
+                label = {
+                    Text(stringResource(id = R.string.user_login))
+                }
+            )
+            OutlinedTextField(
+                modifier = Modifier.fillMaxWidth(),
+                value = task.taskName ?: "",
+                onValueChange = {},
+                readOnly = true,
+                label = {
+                    Text(stringResource(id = R.string.task_name))
+                }
+            )
+            OutlinedTextField(
+                modifier = Modifier.fillMaxWidth(),
+                value = task.user?.password ?: "",
+                onValueChange = {},
+                readOnly = true,
+                label = {
+                    Text(stringResource(id = R.string.password_name))
+                }
+            )
+        }
+    }
+}

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

@@ -1,36 +0,0 @@
-package com.example.todolisttask.models.composeui
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Button
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-import androidx.navigation.NavController
-import com.example.todolisttask.composeui.navigation.Screen
-import com.example.todolisttask.models.model.UserViewModel
-
-/*
-@Composable
-
-fun UserList(navController: NavController?,
-             userViewModel: UserViewModel
-) {
-    val users = userViewModel.users.value
-
-    Column(Modifier.padding(all = 10.dp)) {
-        users.forEachIndexed() { index, user ->
-            val userId = Screen.UserViewModel.route.replace("{id}", index.toString())
-            Button(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(all = 10.dp),
-                onClick = { navController?.navigate(userId) }) {
-                Text("${user.login}")
-            }
-        }
-    }
-}*/
-

app/src/main/java/com/example/todolisttask/models/dao/TaskDao.kt

@@ -0,0 +1,23 @@
+package com.example.todolisttask.models.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.todolisttask.models.model.Task
+
+@Dao
+interface TaskDao {
+    @Query("select * from tasks order by task_name collate nocase asc")
+    suspend fun getAll(): List<Task>
+
+    @Insert
+    suspend fun insert(group: Task)
+
+    @Update
+    suspend fun update(group: Task)
+
+    @Delete
+    suspend fun delete(group: Task)
+}

app/src/main/java/com/example/todolisttask/models/dao/UserDao.kt

@@ -0,0 +1,28 @@
+package com.example.todolisttask.models.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.todolisttask.models.model.TaskWithUser
+import com.example.todolisttask.models.model.User
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface UserDao {
+    @Query("select * from users order by name collate nocase asc")
+    fun getAll(): Flow<List<User>>
+
+    @Query("select * from users left join tasks on users.uid = tasks.user_id where users.uid = :uid")
+    suspend fun getByUid(uid: Int): TaskWithUser
+
+    @Insert
+    suspend fun insert(user: User)
+
+    @Update
+    suspend fun update(user: User)
+
+    @Delete
+    suspend fun delete(user: User)
+}

app/src/main/java/com/example/todolisttask/models/database/AppDatabase.kt

@@ -0,0 +1,64 @@
+package com.example.todolisttask
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import androidx.sqlite.db.SupportSQLiteDatabase
+import com.example.todolisttask.models.dao.TaskDao
+import com.example.todolisttask.models.dao.UserDao
+import com.example.todolisttask.models.model.Task
+import com.example.todolisttask.models.model.User
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+@Database(entities = [User::class, Task::class], version = 1, exportSchema = false)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun userDao(): UserDao
+    abstract fun taskDao(): TaskDao
+
+    companion object {
+        private const val DB_NAME: String = "pmy-db"
+
+        @Volatile
+        private var INSTANCE: AppDatabase? = null
+
+        private suspend fun populateDatabase() {
+            INSTANCE?.let { database ->
+                // Groups
+                val taskDao = database.taskDao()
+                val task1 = Task(1, "Test1", "TestDesk",1)
+                val task2 = Task(2, "Test2", "TestDesk",1)
+                val task3 = Task(3, "Test3", "TestDesk",1)
+                taskDao.insert(task1)
+                taskDao.insert(task2)
+                taskDao.insert(task3)
+                // Students
+                val userDao = database.userDao()
+                val user1 = User("Sergey", "User", "123456")
+                userDao.insert(user1)
+            }
+        }
+
+        fun getInstance(appContext: Context): AppDatabase {
+            return INSTANCE ?: synchronized(this) {
+                Room.databaseBuilder(
+                    appContext,
+                    AppDatabase::class.java,
+                    DB_NAME
+                )
+                    .addCallback(object : Callback() {
+                        override fun onCreate(db: SupportSQLiteDatabase) {
+                            super.onCreate(db)
+                            CoroutineScope(Dispatchers.IO).launch {
+                                populateDatabase()
+                            }
+                        }
+                    })
+                    .build()
+                    .also { INSTANCE = it }
+            }
+        }
+    }
+}

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

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

app/src/main/java/com/example/todolisttask/models/model/Task.kt

@@ -1,43 +1,39 @@
 package com.example.todolisttask.models.model
 
-import android.media.Image
-import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.mutableStateOf
-import androidx.lifecycle.ViewModel
-import java.io.Serializable
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
 
-data class Task(
-    var id: Int,
-    val name: String,
-    val description: String
-) : Serializable
 
-class TaskViewModel : ViewModel() {
-    var tasks: MutableState<List<Task>> = mutableStateOf(
-        emptyList()
+@Entity(tableName = "tasks", foreignKeys = [
+    ForeignKey(
+        entity = User::class,
+        parentColumns = ["uid"],
+        childColumns = ["user_id"],
+        onDelete = ForeignKey.RESTRICT,
+        onUpdate = ForeignKey.RESTRICT
     )
-
-    fun createTask(newTask: Task): Task {
-        newTask.id = tasks.value.size.toInt()
-        val updatedTasks = tasks.value.toMutableList()
-        updatedTasks.add(newTask)
-        tasks.value = updatedTasks
-        return newTask
+])
+data class Task(
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int?,
+    @ColumnInfo(name = "task_name")
+    val name: String,
+    @ColumnInfo(name = "task_description")
+    val description: String,
+    @ColumnInfo(name = "user_id", index = true)
+    val userId: Int
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Task
+        if (uid != other.uid) return false
+        return true
     }
 
-    fun deleteTask(task: Task) {
-        val updatedTasks = tasks.value.toMutableList()
-        updatedTasks.remove(task)
-        tasks.value = updatedTasks
-    }
-
-    fun updateTask(updatedTask: Task) {
-        val updatedTasks = tasks.value.toMutableList()
-        val index = updatedTasks.indexOfFirst { it.id == updatedTask.id }
-
-        if (index != -1) {
-            updatedTasks[index] = updatedTask
-            tasks.value = updatedTasks
-        }
+    override fun hashCode(): Int {
+        return uid ?: -1
     }
 }

app/src/main/java/com/example/todolisttask/models/model/TaskWithUser.kt

@@ -0,0 +1,11 @@
+package com.example.todolisttask.models.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Embedded
+
+data class TaskWithUser(
+    @Embedded
+    val user: User,
+    @ColumnInfo(name = "task_name")
+    val taskName: String
+)

app/src/main/java/com/example/todolisttask/models/model/User.kt

@@ -1,127 +1,38 @@
 package com.example.todolisttask.models.model
 
-import android.net.Uri
-import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.mutableStateOf
-import androidx.lifecycle.ViewModel
-import java.io.Serializable
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.Ignore
+import androidx.room.PrimaryKey
 
+@Entity(tableName = "users")
 data class User(
-    val id: Int,
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int?,
+    @ColumnInfo(name = "name")
     val name: String,
+    @ColumnInfo(name = "login")
     val login: String,
-    val password: String,
-    val taskId: List<Task>,
-    val favoritetask: List<Task>
-) : Serializable
+    @ColumnInfo(name = "password")
+    val password: String
+) {
 
+    @Ignore
+    constructor(
+        name: String,
+        login: String,
+        password: String
+    ) : this(null, name, login, password)
 
-class UserViewModel : ViewModel() {
-    var users: MutableState<List<User>> = mutableStateOf(
-        listOf(
-            User(0, "Иван", "ivan", "111111", emptyList(), emptyList()),
-            User(1, "Анна", "ann", "111111", emptyList(), emptyList()),
-            User(2, "Лиза", "liza", "111111", emptyList(), emptyList())
-        )
-    )
-
-    fun getUsers(): List<User> {
-        return users.value
-    }
-    fun getUser(id:Int): User {
-        return users.value.get(id)
-    }
-    fun getPets(id:Int): List<Task> {
-        return users.value.get(id).taskId
-    }
-    // Function to add a pet to a user
-    fun addPetToUser(userId: Int, newPet: Task) {
-        val updatedUsers = users.value.toMutableList()
-        val user = updatedUsers.find { it.id == userId }
-
-        user?.let {
-            val updatedPets = user.taskId.toMutableList()
-            updatedPets.add(newPet)
-            val updatedUser = user.copy(taskId = updatedPets)
-            val userIndex = updatedUsers.indexOf(user)
-            updatedUsers[userIndex] = updatedUser
-            users.value = updatedUsers
-        }
-    }
-    fun deleteTask(userId: Int, taskIdToDelete: Int) {
-        val updatedUsers = users.value.toMutableList()
-
-        // Найдем пользователя по userId
-        val user = updatedUsers.find { it.id == userId }
-
-        user?.let { user ->
-            val updatedTasks = user.taskId.toMutableList()
-
-            // Найдем питомца по petId и удалим его из списка питомцев
-            val taskToDelete = updatedTasks.find { it.id == taskIdToDelete }
-
-            taskToDelete?.let { task ->
-                updatedTasks.remove(task)
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as User
+        if (uid != other.uid) return false
+        return true
     }
 
-            // Обновим пользователя с обновленным списком питомцев
-            val updatedUser = user.copy(taskId = updatedTasks)
-
-            // Обновим список пользователей
-            val userIndex = updatedUsers.indexOf(user)
-            updatedUsers[userIndex] = updatedUser
-            users.value = updatedUsers
-        }
-    }
-
-    fun addFavoriteTaskToUser(userId: Int, newFavoriteTask: Task) {
-        val updatedUsers = users.value.toMutableList()
-        val user = updatedUsers.find { it.id == userId }
-
-        user?.let {
-            val updatedFavoriteTasks = user.favoritetask.toMutableList()
-            updatedFavoriteTasks.add(newFavoriteTask)
-            val updatedUser = user.copy(favoritetask = updatedFavoriteTasks)
-            val userIndex = updatedUsers.indexOf(user)
-            updatedUsers[userIndex] = updatedUser
-            users.value = updatedUsers
-        }
-    }
-
-
-    fun updateTaskOnUser(userId: Int, updatedTask: Task) {
-        val updatedUsers = users.value.toMutableList()
-
-        // Найдем пользователя по userId
-        val user = updatedUsers.find { it.id == userId }
-
-        user?.let { user ->
-            val updatedTasks = user.taskId.toMutableList()
-
-            // Найдем питомца по petId и обновим его
-            val taskToUpdate = updatedTasks.find { it.id == updatedTask.id }
-
-            taskToUpdate?.let { task ->
-                val taskIndex = updatedTasks.indexOf(task)
-                updatedTasks[taskIndex] = updatedTask
-            }
-
-            // Обновим пользователя с обновленным списком питомцев
-            val updatedUser = user.copy(taskId = updatedTasks)
-
-            // Обновим список пользователей
-            val userIndex = updatedUsers.indexOf(user)
-            updatedUsers[userIndex] = updatedUser
-            users.value = updatedUsers
-        }
-    }
-
-    fun updateUser(updatedUser: User) {
-        val updatedUsers = users.value.toMutableList()
-        val index = updatedUsers.indexOfFirst { it.login == updatedUser.login }
-        if (index != -1) {
-            updatedUsers[index] = updatedUser
-            users.value = updatedUsers
-        }
+    override fun hashCode(): Int {
+        return uid ?: -1
     }
 }

app/src/main/res/values/strings.xml

@@ -12,4 +12,6 @@
     <string name="create_task_title">Создание задачи</string>
     <string name="edit_task_title">Изменение задачи</string>
     <string name="favorite_task_title">Избранные</string>
+    <string name="task_name">Название задачи</string>
+    <string name="password_name">Пароль</string>
 </resources>

build.gradle.kts

@@ -2,4 +2,5 @@
 plugins {
     id("com.android.application") version "8.1.1" apply false
     id("org.jetbrains.kotlin.android") version "1.8.10" apply false
+    id("com.google.devtools.ksp") version "1.8.20-1.0.11" apply false
 }