Third lab

.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>

app/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
+    id("com.google.devtools.ksp")
 }
 
 android {
@@ -30,17 +31,17 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_1_8
+        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 {
-
+    //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")
@@ -61,6 +67,16 @@ dependencies {
     implementation("androidx.compose.ui:ui-graphics")
     implementation("androidx.compose.ui:ui-tooling-preview")
     implementation("androidx.compose.material3:material3")
+
+    // 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/mobile_labs/converters/LocalDateConverter.kt

@@ -0,0 +1,24 @@
+package com.example.mobile_labs.converters
+
+import androidx.room.TypeConverter
+import java.time.LocalDate
+import java.time.LocalDateTime
+
+
+
+
+class LocalDateConverter {
+    @TypeConverter
+    fun toDate(dateString: String?): LocalDate? {
+        return if (dateString == null) {
+            null
+        } else {
+            LocalDate.parse(dateString)
+        }
+    }
+
+    @TypeConverter
+    fun toDateString(date: LocalDate?): String? {
+        return date?.toString()
+    }
+}

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

@@ -0,0 +1,118 @@
+package com.example.mobile_labs.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.mobile_labs.event.dao.EventDao
+import com.example.mobile_labs.event.model.Event
+import com.example.mobile_labs.performance.dao.PerformanceDao
+import com.example.mobile_labs.performance.dao.PerformancePersonDao
+import com.example.mobile_labs.performance.model.Performance
+import com.example.mobile_labs.performance.model.PerformancePersonCrossRef
+import com.example.mobile_labs.person.dao.PersonDao
+import com.example.mobile_labs.person.model.Person
+import com.example.mobile_labs.user.dao.UserDao
+import com.example.mobile_labs.user.model.User
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.time.LocalDate
+
+@Database(entities = [Performance::class, Person::class, Event::class, PerformancePersonCrossRef::class, User::class], version = 1, exportSchema = false)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun personDao(): PersonDao
+    abstract fun performanceDao(): PerformanceDao
+    abstract fun eventDao(): EventDao
+    abstract fun performancePersonDao(): PerformancePersonDao
+    abstract fun userDao(): UserDao
+
+    companion object {
+        private const val DB_NAME: String = "theatre-db"
+
+        @Volatile
+        private var INSTANCE: AppDatabase? = null
+
+        private suspend fun populateDatabase() {
+            INSTANCE?.let { database ->
+                //people
+                val personDao = database.personDao()
+                val person1 = Person(1, "Иванов", "Иван", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg")
+                val person2 = Person(2, "Ксения", "Дудникова", "https://bolshoi.ru/media/members/photos/1756_ru_wkznwzklgosnbiq_300x300_p.jpg")
+                val person3 = Person(3, "Евгения", "Сегенюк", "https://bolshoi.ru/media/members/photos/2908_ru_rycynrihdpzvgdj_300x300_p.jpg")
+                val person4 = Person(4, "Петров", "Петр", "https://bolshoi.ru/media/members/photos/15820_ru_zvewuwadyjuywkh_300x300_p.jpg")
+
+                personDao.insert(person1)
+                personDao.insert(person2)
+                personDao.insert(person3)
+                personDao.insert(person4)
+
+                val performanceDao = database.performanceDao()
+                val performance1 = Performance(1, "Представление 1", "Описание представления 1", 1, 2, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg")
+                val performance2 = Performance(2, "Представление 2", "Описание представления 2", 2, 3, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg")
+                val performance3 = Performance(3, "Представление 3", "Описание представления 1", 3, 4, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg")
+
+                performanceDao.insert(performance1)
+                performanceDao.insert(performance2)
+                performanceDao.insert(performance3)
+
+                val performancePersonDao = database.performancePersonDao()
+                val performancePerson1 = PerformancePersonCrossRef(1, 1)
+                val performancePerson2 = PerformancePersonCrossRef(1, 2)
+                val performancePerson3 = PerformancePersonCrossRef(1, 3)
+                val performancePerson4 = PerformancePersonCrossRef(1, 4)
+
+                performancePersonDao.insert(performancePerson1)
+                performancePersonDao.insert(performancePerson2)
+                performancePersonDao.insert(performancePerson3)
+                performancePersonDao.insert(performancePerson4)
+
+                val eventDao = database.eventDao()
+                val event1 = Event(1, LocalDate.parse("2023-10-23"), 1)
+                val event2 = Event(2, LocalDate.parse("2023-10-11"), 2)
+                val event3 = Event(3, LocalDate.parse("2023-10-15"), 3)
+                val event4 = Event(4, LocalDate.parse("2023-10-27"), 1)
+                val event5 = Event(5, LocalDate.parse("2023-10-03"), 2)
+                val event6 = Event(6, LocalDate.parse("2023-10-09"), 3)
+                val event7 = Event(7, LocalDate.parse("2023-11-03"), 2)
+                val event8 = Event(8, LocalDate.parse("2023-11-09"), 3)
+
+                eventDao.insert(event1)
+                eventDao.insert(event2)
+                eventDao.insert(event3)
+                eventDao.insert(event4)
+                eventDao.insert(event5)
+                eventDao.insert(event6)
+                eventDao.insert(event7)
+                eventDao.insert(event8)
+
+                val userDao = database.userDao()
+                val user1 = User(1, "test@example.com", "1234", "John", "Doe")
+                val user2 = User(2, "test@example.com", "1234", "John", "Doe")
+                userDao.insert(user1)
+                userDao.insert(user2)
+            }
+        }
+
+        fun getInstance(appContext: Context): AppDatabase {
+            return INSTANCE ?: synchronized(this) {
+                Room.databaseBuilder(
+                    appContext,
+                    AppDatabase::class.java,
+                    DB_NAME
+                )
+                    .addCallback(object : RoomDatabase.Callback() {
+                        override fun onCreate(db: SupportSQLiteDatabase) {
+                            super.onCreate(db)
+                            CoroutineScope(Dispatchers.IO).launch {
+                                populateDatabase()
+                            }
+                        }
+                    })
+                    .build()
+                    .also { INSTANCE = it }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobile_labs/event/composeui/Schedule.kt

@@ -15,30 +15,51 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.example.mobile_labs.composeui.navigation.Screen
-import com.example.mobile_labs.event.model.getTestEvents
+import com.example.mobile_labs.database.AppDatabase
+import com.example.mobile_labs.event.model.EventWithPerformance
+import com.example.mobile_labs.person.model.Person
 import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.time.LocalDate
 import java.time.format.DateTimeFormatter
+import java.util.Calendar
 
 @Composable
 fun Schedule(navController: NavController?) {
+    val context = LocalContext.current
+    val events = remember { mutableStateListOf<EventWithPerformance>() }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            val dateNow = LocalDate.now().toString()
+            AppDatabase.getInstance(context).eventDao().getAllWithPerformance(dateNow).collect { data ->
+                events.clear()
+                events.addAll(data)
+            }
+        }
+    }
     Column(
         horizontalAlignment = Alignment.CenterHorizontally,
         modifier = Modifier
             .padding(all = 10.dp)
             .verticalScroll(rememberScrollState())) {
-        getTestEvents().forEachIndexed() { _, event ->
+        events.forEachIndexed() { _, event ->
-            val performanceId = Screen.PerformanceView.route.replace("{id}", event.performance.id.toString())
+            val performanceId = Screen.PerformanceView.route.replace("{id}", event.performance.performance_uid.toString())
             Row(Modifier.padding(all = 10.dp)) {
-                Text(modifier = Modifier.padding(all = 5.dp), textAlign = TextAlign.Center, text = event.date.format(DateTimeFormatter.ofPattern("dd.MM")))
+                Text(modifier = Modifier.padding(all = 5.dp), textAlign = TextAlign.Center, text = event.event.date.format(DateTimeFormatter.ofPattern("dd.MM")))
                 AsyncImage(model = event.performance.previewImageURL,
                     contentDescription = "performance preview image",
                     contentScale = ContentScale.Crop,

app/src/main/java/com/example/mobile_labs/event/dao/EventDao.kt

@@ -0,0 +1,32 @@
+package com.example.mobile_labs.event.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.mobile_labs.event.model.Event
+import com.example.mobile_labs.event.model.EventWithPerformance
+import com.example.mobile_labs.performance.model.Performance
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface EventDao {
+    @Query("select * from events order by date asc")
+    fun getAll(): Flow<List<Event>>
+
+    @Query("select * from events where events.date > :dateFrom order by date asc")
+    fun getAllWithPerformance(dateFrom: String): Flow<List<EventWithPerformance>>
+
+    @Query("select * from events where events.uid = :uid")
+    suspend fun getByUid(uid: Int): EventWithPerformance
+
+    @Insert
+    suspend fun insert(event: Event)
+
+    @Update
+    suspend fun update(event: Event)
+
+    @Delete
+    suspend fun delete(event: Event)
+}

app/src/main/java/com/example/mobile_labs/event/model/Event.kt

@@ -1,27 +1,32 @@
 package com.example.mobile_labs.event.model
 
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverter
+import androidx.room.TypeConverters
+import com.example.mobile_labs.converters.LocalDateConverter
 import com.example.mobile_labs.performance.model.Performance
 import com.example.mobile_labs.person.model.Person
 import java.io.Serializable
 import java.time.LocalDate
 
+@TypeConverters(LocalDateConverter::class)
+@Entity(tableName = "events", foreignKeys = [
+    ForeignKey(
+        entity = Performance::class,
+        parentColumns = ["performance_uid"],
+        childColumns = ["performance_id"],
+        onDelete = ForeignKey.RESTRICT,
+        onUpdate = ForeignKey.RESTRICT,
+    ),
+])
 data class Event(
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int?,
     val date: LocalDate,
-    val performance: Performance,
+    @ColumnInfo(name = "performance_id")
-) : Serializable
+    val performanceId: Int?,
+)
 
-fun getTestEvents(): List<Event> {
-    val director = Person("Иванов", "Иван", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg");
-    val author = Person("Петров", "Петр", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg");
-    val actors = listOf(director, author);
-    val performances = listOf(
-        Performance(0,"Представление #1", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(1,"Представление #2", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(2,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-    )
-    return listOf(
-        Event(LocalDate.parse("2023-10-15"), performances[0]),
-        Event(LocalDate.parse("2023-10-16"), performances[1]),
-        Event(LocalDate.parse("2023-10-17"), performances[2])
-    )
-}

app/src/main/java/com/example/mobile_labs/event/model/EventWithPerformance.kt

@@ -0,0 +1,12 @@
+package com.example.mobile_labs.event.model
+
+import androidx.room.Embedded
+import androidx.room.Relation
+import com.example.mobile_labs.performance.model.Performance
+
+data class EventWithPerformance (
+    @Embedded
+    val event: Event,
+    @Relation(entity = Performance::class, parentColumn = "performance_id", entityColumn = "performance_uid")
+    val performance: Performance,
+)

app/src/main/java/com/example/mobile_labs/performance/composeui/PerformanceView.kt

@@ -17,6 +17,7 @@ import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -24,6 +25,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
@@ -32,16 +34,25 @@ import androidx.compose.ui.unit.sp
 import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.example.mobile_labs.composeui.navigation.Screen
-import com.example.mobile_labs.performance.model.getTestPerformances
 import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
 import com.example.mobile_labs.R
+import com.example.mobile_labs.database.AppDatabase
+import com.example.mobile_labs.performance.model.PerformanceWithPeople
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun PerformanceView(id: Int) {
-    var performance = getTestPerformances()[id]
+    val context = LocalContext.current
+    val (performaceWithPeople, setPerformanceWithPeople) = remember { mutableStateOf<PerformanceWithPeople?>(null) }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            setPerformanceWithPeople(AppDatabase.getInstance(context).performanceDao().getByUid(id))
+        }
+    }
     var actorsText = ""
-    performance.actors.forEach {
+    performaceWithPeople?.actors?.forEach {
         if (actorsText != "") actorsText += "\n"
         actorsText += "${it.last_name} ${it.first_name}"
     }
@@ -50,10 +61,10 @@ fun PerformanceView(id: Int) {
         modifier = Modifier
             .padding(all = 10.dp)
             .verticalScroll(rememberScrollState())) {
-        Text(text = "${performance.author.last_name} ${performance.author.first_name}", textAlign = TextAlign.Center)
+        Text(text = "${performaceWithPeople?.author?.last_name} ${performaceWithPeople?.author?.first_name}", textAlign = TextAlign.Center)
-        Text(text = performance.title, textAlign = TextAlign.Center, fontSize = 30.sp)
+        Text(text = performaceWithPeople?.performance?.title ?: "", textAlign = TextAlign.Center, fontSize = 30.sp)
-        AsyncImage(model = performance.imageURL, contentDescription = "performance image")
+        AsyncImage(model = performaceWithPeople?.performance?.imageURL, contentDescription = "performance image")
-        OutlinedTextField(modifier = Modifier.fillMaxWidth(), value = performance.description, onValueChange = {}, readOnly = true,
+        OutlinedTextField(modifier = Modifier.fillMaxWidth(), value = performaceWithPeople?.performance?.description ?: "", onValueChange = {}, readOnly = true,
             label = {
                 Text(stringResource(id = R.string.performance_description))
             }

app/src/main/java/com/example/mobile_labs/performance/composeui/Repertoire.kt

@@ -1,6 +1,7 @@
 package com.example.mobile_labs.performance.composeui
 
 import android.content.res.Configuration
+import android.util.Log
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -16,6 +17,7 @@ import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.State
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateListOf
@@ -28,30 +30,51 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.RectangleShape
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.example.mobile_labs.composeui.navigation.Screen
+import com.example.mobile_labs.database.AppDatabase
 import com.example.mobile_labs.performance.model.Performance
-import com.example.mobile_labs.performance.model.getTestPerformances
+import com.example.mobile_labs.person.model.Person
 import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
-
+import kotlinx.coroutines.Dispatchers
-var performances by mutableStateOf(getTestPerformances())
+import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun Repertoire(navController: NavController?) {
+    val context = LocalContext.current
+    val performances = remember { mutableStateListOf<Performance>() }
+    var performancesFiltered = remember { mutableStateListOf<Performance>() }
     var title by remember { mutableStateOf("") }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).performanceDao().getAll().collect { data ->
+                performances.clear()
+                performances.addAll(data)
+                performancesFiltered.addAll(data)
+            }
+        }
+    }
     Column(
         horizontalAlignment = Alignment.CenterHorizontally,
         modifier = Modifier
             .padding(all = 10.dp)
             .verticalScroll(rememberScrollState())) {
-        TextField(value = title, label = {Text(text = "Поиск...")}, onValueChange = { title = it; performances =
+        TextField(value = title, label = {Text(text = "Поиск...")}, onValueChange = { title = it;
-            if (title != "") getTestPerformances().filter { performance -> performance.title.contains(title) } else getTestPerformances() })
+            if (title != "") {
-        performances.forEachIndexed() { index, performance ->
+                val data = performances.filter { performance -> performance.title.contains(title) }
-            val performanceId = Screen.PerformanceView.route.replace("{id}", performance.id.toString())
+                performancesFiltered.clear()
+                performancesFiltered.addAll(data)
+            } else {
+                performancesFiltered.clear()
+                performancesFiltered.addAll(performances)
+            } })
+        performancesFiltered.forEachIndexed() { index, performance ->
+            val performanceId = Screen.PerformanceView.route.replace("{id}", performance.performance_uid.toString())
             Row(Modifier.padding(all = 10.dp)) {
                 AsyncImage(model = performance.previewImageURL,
                     contentDescription = "performance preview image",

app/src/main/java/com/example/mobile_labs/performance/dao/PerformanceDao.kt

@@ -0,0 +1,29 @@
+package com.example.mobile_labs.performance.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.mobile_labs.performance.model.Performance
+import com.example.mobile_labs.performance.model.PerformanceWithPeople
+import com.example.mobile_labs.person.model.Person
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface PerformanceDao {
+    @Query("select * from performances order by title collate nocase asc")
+    fun getAll(): Flow<List<Performance>>
+
+    @Query("select * from performances where performances.performance_uid = :uid")
+    suspend fun getByUid(uid: Int): PerformanceWithPeople
+
+    @Insert
+    suspend fun insert(performance: Performance)
+
+    @Update
+    suspend fun update(performance: Performance)
+
+    @Delete
+    suspend fun delete(performance: Performance)
+}

app/src/main/java/com/example/mobile_labs/performance/dao/PerformancePersonDao.kt

@@ -0,0 +1,26 @@
+package com.example.mobile_labs.performance.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.mobile_labs.performance.model.Performance
+import com.example.mobile_labs.performance.model.PerformancePersonCrossRef
+import com.example.mobile_labs.performance.model.PerformanceWithPeople
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface PerformancePersonDao {
+    @Query("select * from performance_person")
+    fun getAll(): Flow<List<PerformancePersonCrossRef>>
+
+    @Insert
+    suspend fun insert(performancePersonCrossRef: PerformancePersonCrossRef)
+
+    @Update
+    suspend fun update(performancePersonCrossRef: PerformancePersonCrossRef)
+
+    @Delete
+    suspend fun delete(performancePersonCrossRef: PerformancePersonCrossRef)
+}

app/src/main/java/com/example/mobile_labs/performance/model/Performance.kt

@@ -1,34 +1,52 @@
 package com.example.mobile_labs.performance.model
 
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
 import com.example.mobile_labs.person.model.Person
 import java.io.Serializable
 
+@Entity(tableName = "performances", foreignKeys = [
+        ForeignKey(
+            entity = Person::class,
+            parentColumns = ["uid"],
+            childColumns = ["director_id"],
+            onDelete = ForeignKey.RESTRICT,
+            onUpdate = ForeignKey.RESTRICT,
+        ),
+        ForeignKey(
+            entity = Person::class,
+            parentColumns = ["uid"],
+            childColumns = ["author_id"],
+            onDelete = ForeignKey.RESTRICT,
+            onUpdate = ForeignKey.RESTRICT,
+        ),
+    ]
+)
 data class Performance(
-    val id: Int,
+    @PrimaryKey(autoGenerate = true)
+    val performance_uid: Int?,
     val title: String,
     val description: String,
-    val author: Person,
+    @ColumnInfo(name = "author_id", index = true)
-    val director: Person,
+    val authorId: Int?,
-    val actors: List<Person>,
+    @ColumnInfo(name = "director_id", index = true)
+    val directorId: Int?,
+    @ColumnInfo(name = "image_url")
     val imageURL: String,
+    @ColumnInfo(name = "preview_image_url")
     val previewImageURL: String,
-) : Serializable
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Performance
+        if (performance_uid != other.performance_uid) return false
+        return true
+    }
 
-fun getTestPerformances(): List<Performance> {
+    override fun hashCode(): Int {
-    val director = Person("Иванов", "Иван", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg");
+        return performance_uid ?: -1
-    val author = Person("Петров", "Петр", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg");
+    }
-    val actors = listOf(director, author);
+}
-    return listOf(
-        Performance(0,"Представление #1", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(1,"Представление #2", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(2,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(3,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(4,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(5,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(6,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(7,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(8,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(9,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-        Performance(10,"Представление #3", "Netus quis congue nascetur ullamcorper nibh, nostra iaculis turpis!", author, director, actors, "https://img.freepik.com/free-photo/empty-stage-with-few-props-red-seats_181624-57595.jpg?w=1380&t=st=1696959739~exp=1696960339~hmac=2107448a1d874f1315b5cf246c71df70dc653707c7c8be4a38581d3b73f842ba", "https://www.theatreinparis.com/uploads/images/article/theatre-de-l-athenee-dr.jpg"),
-    )
-}

app/src/main/java/com/example/mobile_labs/performance/model/PerformancePersonCrossRef.kt

@@ -0,0 +1,9 @@
+package com.example.mobile_labs.performance.model
+
+import androidx.room.Entity
+
+@Entity(tableName = "performance_person", primaryKeys = ["performance_uid", "uid"])
+data class PerformancePersonCrossRef(
+    val performance_uid: Int,
+    val uid: Int,
+)

app/src/main/java/com/example/mobile_labs/performance/model/PerformanceWithPeople.kt

@@ -0,0 +1,22 @@
+package com.example.mobile_labs.performance.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Embedded
+import androidx.room.Junction
+import androidx.room.Relation
+import com.example.mobile_labs.person.model.Person
+
+data class PerformanceWithPeople (
+    @Embedded
+    val performance: Performance,
+    @Relation(entity = Person::class, parentColumn = "author_id", entityColumn = "uid")
+    val author: Person,
+    @Relation(entity = Person::class, parentColumn = "director_id", entityColumn = "uid")
+    val director: Person,
+    @Relation(
+        parentColumn = "performance_uid",
+        entityColumn = "uid",
+        associateBy = Junction(PerformancePersonCrossRef::class),
+    )
+    val actors: List<Person>
+)

app/src/main/java/com/example/mobile_labs/person/composeui/PeopleList.kt

@@ -15,26 +15,42 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.example.mobile_labs.composeui.navigation.Screen
+import com.example.mobile_labs.database.AppDatabase
 import com.example.mobile_labs.performance.composeui.Repertoire
-import com.example.mobile_labs.performance.model.getTestPerformances
+import com.example.mobile_labs.person.model.Person
-import com.example.mobile_labs.person.model.getTestPerson
 import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 
 @Composable
 fun PeopleList(navController: NavController?) {
+    val context = LocalContext.current
+    val people = remember { mutableStateListOf<Person>() }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).personDao().getAll().collect { data ->
+                people.clear()
+                people.addAll(data)
+            }
+        }
+    }
     Column(Modifier.padding(all = 10.dp)) {
         LazyVerticalGrid(columns = GridCells.Adaptive(minSize = 100.dp))
         {
-            items(getTestPerson()) {
+            items(people) {
                 Column(horizontalAlignment = Alignment.CenterHorizontally, modifier = Modifier
                     .width(300.dp)
                     .height(200.dp)) {

app/src/main/java/com/example/mobile_labs/person/dao/PersonDao.kt

@@ -0,0 +1,27 @@
+package com.example.mobile_labs.person.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.mobile_labs.person.model.Person
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface PersonDao {
+    @Query("select * from people order by last_name collate nocase asc")
+    fun getAll(): Flow<List<Person>>
+
+    @Query("select * from people where people.uid = :uid")
+    suspend fun getByUid(uid: Int): Person
+
+    @Insert
+    suspend fun insert(person: Person)
+
+    @Update
+    suspend fun update(person: Person)
+
+    @Delete
+    suspend fun delete(person: Person)
+}

app/src/main/java/com/example/mobile_labs/person/model/Person.kt

@@ -1,26 +1,29 @@
 package com.example.mobile_labs.person.model
 
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.Ignore
+import androidx.room.PrimaryKey
 import java.io.Serializable
 
+@Entity(tableName = "people")
 data class Person(
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int?,
     val last_name: String,
     val first_name: String,
+    @ColumnInfo(name = "image_url")
     val imageURL: String,
-) : Serializable
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Person
+        if (uid != other.uid) return false
+        return true
+    }
 
-fun getTestPerson(): List<Person> {
+    override fun hashCode(): Int {
-    return listOf(
+        return uid ?: -1
-        Person("Иванов", "Иван", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg"),
+    }
-        Person("Ксения", "Дудникова", "https://bolshoi.ru/media/members/photos/1756_ru_wkznwzklgosnbiq_300x300_p.jpg"),
-        Person("Евгения", "Сегенюк", "https://bolshoi.ru/media/members/photos/2908_ru_rycynrihdpzvgdj_300x300_p.jpg"),
-        Person("Петров", "Петр", "https://bolshoi.ru/media/members/photos/15820_ru_zvewuwadyjuywkh_300x300_p.jpg"),
-        Person("Иванов", "Иван", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg"),
-        Person("Ксения", "Дудникова", "https://bolshoi.ru/media/members/photos/1756_ru_wkznwzklgosnbiq_300x300_p.jpg"),
-        Person("Евгения", "Сегенюк", "https://bolshoi.ru/media/members/photos/2908_ru_rycynrihdpzvgdj_300x300_p.jpg"),
-        Person("Петров", "Петр", "https://bolshoi.ru/media/members/photos/15820_ru_zvewuwadyjuywkh_300x300_p.jpg"),
-        Person("Иванов", "Иван", "https://bolshoi.ru/media/members/photos/86_ru_twyyatusbnifnzi_300x300_p.jpg"),
-        Person("Ксения", "Дудникова", "https://bolshoi.ru/media/members/photos/1756_ru_wkznwzklgosnbiq_300x300_p.jpg"),
-        Person("Евгения", "Сегенюк", "https://bolshoi.ru/media/members/photos/2908_ru_rycynrihdpzvgdj_300x300_p.jpg"),
-        Person("Петров", "Петр", "https://bolshoi.ru/media/members/photos/15820_ru_zvewuwadyjuywkh_300x300_p.jpg"),
-    )
 }

app/src/main/java/com/example/mobile_labs/user/dao/UserDao.kt

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

app/src/main/java/com/example/mobile_labs/user/model/User.kt

@@ -0,0 +1,26 @@
+package com.example.mobile_labs.user.model
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "users")
+data class User(
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int?,
+    val email: String,
+    val password: String,
+    val last_name: String,
+    val first_name: String,
+) {
+    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
+    }
+
+    override fun hashCode(): Int {
+        return uid ?: -1
+    }
+}

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
 }