Lab 04

app/src/main/AndroidManifest.xml

@@ -14,6 +14,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Mobile_Labs"
+        android:name=".TheatreApplication"
         tools:targetApi="31">
         <activity
             android:name=".MainActivity"

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

@@ -10,7 +10,7 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
-import com.example.mobile_labs.composeui.navigation.MainNavbar
+import com.example.mobile_labs.ui.navigation.MainNavbar
 import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
 
 class MainActivity : ComponentActivity() {

app/src/main/java/com/example/mobile_labs/TheatreApplication.kt

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

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

@@ -0,0 +1,33 @@
+package com.example.mobile_labs.database
+
+import android.content.Context
+import com.example.mobile_labs.database.event.repository.EventRepository
+import com.example.mobile_labs.database.event.repository.OfflineEventRepository
+import com.example.mobile_labs.database.performance.repository.OfflinePerformanceRepository
+import com.example.mobile_labs.database.performance.repository.PerformanceRepository
+import com.example.mobile_labs.database.person.repository.OfflinePersonRepository
+import com.example.mobile_labs.database.person.repository.PersonRepository
+
+interface AppContainer {
+    val personRepository: PersonRepository
+    val eventRepository: EventRepository
+    val performanceRepository: PerformanceRepository
+}
+
+class AppDataContainer(private val context: Context) : AppContainer {
+    override val eventRepository: EventRepository by lazy {
+        OfflineEventRepository(AppDatabase.getInstance(context).eventDao())
+    }
+
+    override val performanceRepository: PerformanceRepository by lazy {
+        OfflinePerformanceRepository(AppDatabase.getInstance(context).performanceDao())
+    }
+
+    override val personRepository: PersonRepository by lazy {
+        OfflinePersonRepository(AppDatabase.getInstance(context).personDao())
+    }
+
+    companion object {
+        const val TIMEOUT = 5000L
+    }
+}

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

@@ -5,14 +5,14 @@ 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.database.event.dao.EventDao
-import com.example.mobile_labs.event.model.Event
+import com.example.mobile_labs.database.event.model.Event
-import com.example.mobile_labs.performance.dao.PerformanceDao
+import com.example.mobile_labs.database.performance.dao.PerformanceDao
-import com.example.mobile_labs.performance.dao.PerformancePersonDao
+import com.example.mobile_labs.database.performance.dao.PerformancePersonDao
-import com.example.mobile_labs.performance.model.Performance
+import com.example.mobile_labs.database.performance.model.Performance
-import com.example.mobile_labs.performance.model.PerformancePersonCrossRef
+import com.example.mobile_labs.database.performance.model.PerformancePersonCrossRef
-import com.example.mobile_labs.person.dao.PersonDao
+import com.example.mobile_labs.database.person.dao.PersonDao
-import com.example.mobile_labs.person.model.Person
+import com.example.mobile_labs.database.person.model.Person
 import com.example.mobile_labs.user.dao.UserDao
 import com.example.mobile_labs.user.model.User
 import kotlinx.coroutines.CoroutineScope

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

@@ -1,13 +1,13 @@
-package com.example.mobile_labs.event.dao
+package com.example.mobile_labs.database.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.database.event.model.Event
-import com.example.mobile_labs.event.model.EventWithPerformance
+import com.example.mobile_labs.database.event.model.EventWithPerformance
-import com.example.mobile_labs.performance.model.Performance
+import com.example.mobile_labs.database.performance.model.Performance
 import kotlinx.coroutines.flow.Flow
 
 @Dao
@@ -19,7 +19,7 @@ interface EventDao {
     fun getAllWithPerformance(dateFrom: String): Flow<List<EventWithPerformance>>
 
     @Query("select * from events where events.uid = :uid")
-    suspend fun getByUid(uid: Int): EventWithPerformance
+    fun getByUid(uid: Int): Flow<EventWithPerformance>
 
     @Insert
     suspend fun insert(event: Event)

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

@@ -1,4 +1,4 @@
-package com.example.mobile_labs.event.model
+package com.example.mobile_labs.database.event.model
 
 import androidx.room.ColumnInfo
 import androidx.room.Entity
@@ -7,8 +7,8 @@ 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.database.performance.model.Performance
-import com.example.mobile_labs.person.model.Person
+import com.example.mobile_labs.database.person.model.Person
 import java.io.Serializable
 import java.time.LocalDate
 

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

@@ -1,8 +1,8 @@
-package com.example.mobile_labs.event.model
+package com.example.mobile_labs.database.event.model
 
 import androidx.room.Embedded
 import androidx.room.Relation
-import com.example.mobile_labs.performance.model.Performance
+import com.example.mobile_labs.database.performance.model.Performance
 
 data class EventWithPerformance (
     @Embedded

app/src/main/java/com/example/mobile_labs/database/event/repository/EventRepository.kt

@@ -0,0 +1,14 @@
+package com.example.mobile_labs.database.event.repository
+
+import com.example.mobile_labs.database.event.model.Event
+import com.example.mobile_labs.database.event.model.EventWithPerformance
+import kotlinx.coroutines.flow.Flow
+
+interface EventRepository {
+    fun getAll(): Flow<List<Event>>
+    fun getAllWithPerformance(): Flow<List<EventWithPerformance>>
+    fun getEvent(uid: Int): Flow<EventWithPerformance?>
+    suspend fun insertEvent(event: Event)
+    suspend fun updateEvent(event: Event)
+    suspend fun deleteEvent(event: Event)
+}

app/src/main/java/com/example/mobile_labs/database/event/repository/OfflineEventRepository.kt

@@ -0,0 +1,22 @@
+package com.example.mobile_labs.database.event.repository
+
+import com.example.mobile_labs.database.event.dao.EventDao
+import com.example.mobile_labs.database.event.model.Event
+import com.example.mobile_labs.database.event.model.EventWithPerformance
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+class OfflineEventRepository(private val eventDao: EventDao) : EventRepository {
+    override fun getAll(): Flow<List<Event>> = eventDao.getAll();
+    override fun getAllWithPerformance(): Flow<List<EventWithPerformance>> = eventDao.getAllWithPerformance(LocalDate.now().format(
+        DateTimeFormatter.ofPattern("dd.MM")
+    ))
+    override fun getEvent(uid: Int): Flow<EventWithPerformance?> = eventDao.getByUid(uid);
+
+    override suspend fun insertEvent(event: Event) = eventDao.insert(event);
+
+    override suspend fun updateEvent(event: Event) = eventDao.update(event);
+
+    override suspend fun deleteEvent(event: Event) = eventDao.delete(event);
+}

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

@@ -1,13 +1,13 @@
-package com.example.mobile_labs.performance.dao
+package com.example.mobile_labs.database.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.database.performance.model.Performance
-import com.example.mobile_labs.performance.model.PerformanceWithPeople
+import com.example.mobile_labs.database.performance.model.PerformanceWithPeople
-import com.example.mobile_labs.person.model.Person
+import com.example.mobile_labs.database.person.model.Person
 import kotlinx.coroutines.flow.Flow
 
 @Dao
@@ -16,7 +16,7 @@ interface PerformanceDao {
     fun getAll(): Flow<List<Performance>>
 
     @Query("select * from performances where performances.performance_uid = :uid")
-    suspend fun getByUid(uid: Int): PerformanceWithPeople
+    fun getByUid(uid: Int): Flow<PerformanceWithPeople>
 
     @Insert
     suspend fun insert(performance: Performance)

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

@@ -1,13 +1,13 @@
-package com.example.mobile_labs.performance.dao
+package com.example.mobile_labs.database.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.database.performance.model.Performance
-import com.example.mobile_labs.performance.model.PerformancePersonCrossRef
+import com.example.mobile_labs.database.performance.model.PerformancePersonCrossRef
-import com.example.mobile_labs.performance.model.PerformanceWithPeople
+import com.example.mobile_labs.database.performance.model.PerformanceWithPeople
 import kotlinx.coroutines.flow.Flow
 
 @Dao

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

@@ -1,10 +1,10 @@
-package com.example.mobile_labs.performance.model
+package com.example.mobile_labs.database.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 com.example.mobile_labs.database.person.model.Person
 import java.io.Serializable
 
 @Entity(tableName = "performances", foreignKeys = [

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

@@ -1,4 +1,4 @@
-package com.example.mobile_labs.performance.model
+package com.example.mobile_labs.database.performance.model
 
 import androidx.room.Entity
 

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

@@ -1,10 +1,10 @@
-package com.example.mobile_labs.performance.model
+package com.example.mobile_labs.database.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
+import com.example.mobile_labs.database.person.model.Person
 
 data class PerformanceWithPeople (
     @Embedded

app/src/main/java/com/example/mobile_labs/database/performance/repository/OfflinePerformanceRepository.kt

@@ -0,0 +1,17 @@
+package com.example.mobile_labs.database.performance.repository
+
+import com.example.mobile_labs.database.performance.dao.PerformanceDao
+import com.example.mobile_labs.database.performance.model.Performance
+import com.example.mobile_labs.database.performance.model.PerformanceWithPeople
+import kotlinx.coroutines.flow.Flow
+
+class OfflinePerformanceRepository(private val performanceDao: PerformanceDao) : PerformanceRepository {
+    override fun getAllPerformances(): Flow<List<Performance>> = performanceDao.getAll();
+    override fun getPerformance(uid: Int): Flow<PerformanceWithPeople?> = performanceDao.getByUid(uid);
+
+    override suspend fun insertPerformance(performance: Performance) = performanceDao.insert(performance);
+
+    override suspend fun updatePerformance(performance: Performance) = performanceDao.update(performance);
+
+    override suspend fun deletePerformance(performance: Performance) = performanceDao.delete(performance);
+}

app/src/main/java/com/example/mobile_labs/database/performance/repository/PerformanceRepository.kt

@@ -0,0 +1,13 @@
+package com.example.mobile_labs.database.performance.repository
+
+import com.example.mobile_labs.database.performance.model.Performance
+import com.example.mobile_labs.database.performance.model.PerformanceWithPeople
+import kotlinx.coroutines.flow.Flow
+
+interface PerformanceRepository {
+    fun getAllPerformances(): Flow<List<Performance>>
+    fun getPerformance(uid: Int): Flow<PerformanceWithPeople?>
+    suspend fun insertPerformance(performance: Performance)
+    suspend fun updatePerformance(performance: Performance)
+    suspend fun deletePerformance(performance: Performance)
+}

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

@@ -1,11 +1,11 @@
-package com.example.mobile_labs.person.dao
+package com.example.mobile_labs.database.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 com.example.mobile_labs.database.person.model.Person
 import kotlinx.coroutines.flow.Flow
 
 @Dao
@@ -14,7 +14,7 @@ interface PersonDao {
     fun getAll(): Flow<List<Person>>
 
     @Query("select * from people where people.uid = :uid")
-    suspend fun getByUid(uid: Int): Person
+    fun getByUid(uid: Int): Flow<Person>
 
     @Insert
     suspend fun insert(person: Person)

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

@@ -1,4 +1,4 @@
-package com.example.mobile_labs.person.model
+package com.example.mobile_labs.database.person.model
 
 import androidx.room.ColumnInfo
 import androidx.room.Entity

app/src/main/java/com/example/mobile_labs/database/person/repository/OfflinePersonRepository.kt

@@ -0,0 +1,17 @@
+package com.example.mobile_labs.database.person.repository
+
+import com.example.mobile_labs.database.person.dao.PersonDao
+import com.example.mobile_labs.database.person.model.Person
+import kotlinx.coroutines.flow.Flow
+
+class OfflinePersonRepository(private val personDao: PersonDao) : PersonRepository {
+    override fun getAllPeople(): Flow<List<Person>> = personDao.getAll();
+    override fun getPerson(uid: Int): Flow<Person?> = personDao.getByUid(uid);
+
+    override suspend fun insertPerson(person: Person) = personDao.insert(person);
+
+    override suspend fun updatePerson(person: Person) = personDao.update(person);
+
+    override suspend fun deletePerson(person: Person) = personDao.delete(person);
+
+}

app/src/main/java/com/example/mobile_labs/database/person/repository/PersonRepository.kt

@@ -0,0 +1,12 @@
+package com.example.mobile_labs.database.person.repository
+
+import com.example.mobile_labs.database.person.model.Person
+import kotlinx.coroutines.flow.Flow
+
+interface PersonRepository {
+    fun getAllPeople(): Flow<List<Person>>
+    fun getPerson(uid: Int): Flow<Person?>
+    suspend fun insertPerson(person: Person)
+    suspend fun updatePerson(person: Person)
+    suspend fun deletePerson(person: Person)
+}

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

@@ -1,92 +0,0 @@
-package com.example.mobile_labs.event.composeui
-
-import android.content.res.Configuration
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.Button
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.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.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())) {
-        events.forEachIndexed() { _, event ->
-            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.event.date.format(DateTimeFormatter.ofPattern("dd.MM")))
-                AsyncImage(model = event.performance.previewImageURL,
-                    contentDescription = "performance preview image",
-                    contentScale = ContentScale.Crop,
-                    modifier = Modifier
-                        .height(100.dp)
-                        .width(100.dp))
-                Button(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .padding(all = 10.dp),
-                    onClick = { navController?.navigate(performanceId) }) {
-                    Text(event.performance.title)
-                }
-            }
-        }
-    }
-}
-
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
-fun SchedulePreview() {
-    Mobile_LabsTheme {
-        Surface(
-            color = MaterialTheme.colorScheme.background
-        ) {
-            Schedule(navController = null)
-        }
-    }
-}

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

@@ -1,108 +0,0 @@
-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
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.Button
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextField
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.State
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateListOf
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-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.person.model.Person
-import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
-import kotlinx.coroutines.Dispatchers
-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;
-            if (title != "") {
-                val data = performances.filter { performance -> performance.title.contains(title) }
-                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",
-                    contentScale = ContentScale.Crop,
-                    modifier = Modifier
-                        .height(100.dp)
-                        .width(100.dp))
-                Button(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .padding(all = 10.dp),
-                    onClick = { navController?.navigate(performanceId) }) {
-                    Text(performance.title)
-                }
-            }
-        }
-    }
-}
-
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
-fun RepertoirePreview() {
-    Mobile_LabsTheme {
-        Surface(
-            color = MaterialTheme.colorScheme.background
-        ) {
-            Repertoire(navController = null)
-        }
-    }
-}

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

@@ -1,76 +0,0 @@
-package com.example.mobile_labs.person.composeui
-
-import android.content.res.Configuration
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.lazy.grid.GridCells
-import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
-import androidx.compose.foundation.lazy.grid.items
-import androidx.compose.material3.Button
-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.person.model.Person
-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(people) {
-                Column(horizontalAlignment = Alignment.CenterHorizontally, modifier = Modifier
-                    .width(300.dp)
-                    .height(200.dp)) {
-                    AsyncImage(model = it.imageURL, contentDescription = "person image")
-                    Text(text = "${it.last_name} ${it.first_name}", textAlign = TextAlign.Center)
-                }
-            }
-        }
-    }
-}
-
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
-fun PeopleListPreview() {
-    Mobile_LabsTheme {
-        Surface(
-            color = MaterialTheme.colorScheme.background
-        ) {
-            Repertoire(navController = null)
-        }
-    }
-}

app/src/main/java/com/example/mobile_labs/ui/AppViewModelProvider.kt

@@ -0,0 +1,32 @@
+package com.example.mobile_labs.ui
+
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.createSavedStateHandle
+import androidx.lifecycle.viewmodel.CreationExtras
+import androidx.lifecycle.viewmodel.initializer
+import androidx.lifecycle.viewmodel.viewModelFactory
+import com.example.mobile_labs.TheatreApplication
+import com.example.mobile_labs.ui.event.list.EventListViewModel
+import com.example.mobile_labs.ui.performance.list.PerformanceListViewModel
+import com.example.mobile_labs.ui.performance.view.PerformanceViewModel
+import com.example.mobile_labs.ui.person.list.PeopleListViewModel
+
+object AppViewModelProvider {
+    val Factory = viewModelFactory {
+        initializer {
+            PeopleListViewModel(theatreApplication().container.personRepository)
+        }
+        initializer {
+            EventListViewModel(theatreApplication().container.eventRepository)
+        }
+        initializer {
+            PerformanceListViewModel(theatreApplication().container.performanceRepository)
+        }
+        initializer {
+            PerformanceViewModel(this.createSavedStateHandle(), theatreApplication().container.performanceRepository)
+        }
+    }
+}
+
+fun CreationExtras.theatreApplication(): TheatreApplication =
+    (this[ViewModelProvider.AndroidViewModelFactory.APPLICATION_KEY] as TheatreApplication)

app/src/main/java/com/example/mobile_labs/ui/about/About.kt

@@ -1,12 +1,8 @@
-package com.example.mobile_labs.composeui
+package com.example.mobile_labs.ui.about
 
-import android.content.Intent
 import android.content.res.Configuration
-import android.net.Uri
 import android.widget.TextView
-import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 

app/src/main/java/com/example/mobile_labs/ui/event/list/EventList.kt

@@ -0,0 +1,139 @@
+package com.example.mobile_labs.ui.event.list
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+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.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+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
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import coil.compose.AsyncImage
+import com.example.mobile_labs.R
+import com.example.mobile_labs.database.AppDatabase
+import com.example.mobile_labs.database.event.model.Event
+import com.example.mobile_labs.database.event.model.EventWithPerformance
+import com.example.mobile_labs.database.person.model.Person
+import com.example.mobile_labs.ui.AppViewModelProvider
+import com.example.mobile_labs.ui.navigation.Screen
+import com.example.mobile_labs.ui.person.list.PeopleListViewModel
+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
+
+@Composable
+fun EventList(
+    navController: NavController,
+    viewModel: EventListViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val eventListUiState by viewModel.eventListUiState.collectAsState()
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        modifier = Modifier
+            .padding(all = 10.dp)) {
+        EventList(
+            eventList = eventListUiState.eventList,
+            onClick = {uid : Int ->
+                val route = Screen.PerformanceView.route.replace("{id}", uid.toString())
+                navController.navigate(route)
+            }
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun EventList(
+    modifier: Modifier = Modifier,
+    eventList: List<EventWithPerformance>,
+    onClick: (uid: Int) -> Unit
+) {
+    Column(
+        modifier = modifier
+    ) {
+        if (eventList.isEmpty()) {
+            Text(
+                text = stringResource(R.string.events_missing_description),
+                textAlign = TextAlign.Center,
+                style = MaterialTheme.typography.titleLarge
+            )
+        } else {
+            LazyColumn(modifier = Modifier.padding(all = 10.dp)) {
+                items(items = eventList, key = { it.event.uid !! }) { event ->
+                    EventListItem(event = event, modifier = Modifier
+                        .padding(vertical = 7.dp), onClick = onClick)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun EventListItem(
+    event: EventWithPerformance, modifier: Modifier = Modifier,
+    onClick: (uid: Int) -> Unit
+) {
+    Card(
+        modifier = modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = modifier.padding(all = 10.dp)
+        ) {
+            Text(
+                text = event.event.date.format(DateTimeFormatter.ofPattern("dd.MM"))
+            )
+            AsyncImage(model = event.performance.imageURL, contentDescription = "")
+            Button(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(all = 10.dp),
+                onClick = { onClick(event.event.performanceId !!) }) {
+                Text(event.performance.title)
+            }
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun SchedulePreview() {
+    Mobile_LabsTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            EventList(eventList = listOf(), onClick = {})
+        }
+    }
+}

app/src/main/java/com/example/mobile_labs/ui/event/list/EventListViewModel.kt

@@ -0,0 +1,26 @@
+package com.example.mobile_labs.ui.event.list
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobile_labs.database.AppDataContainer
+import com.example.mobile_labs.database.event.repository.EventRepository
+import com.example.mobile_labs.database.event.model.Event
+import com.example.mobile_labs.database.event.model.EventWithPerformance
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+
+class EventListViewModel(
+    private val eventRepository: EventRepository
+) : ViewModel() {
+    val eventListUiState: StateFlow<EventListUiState> = eventRepository.getAllWithPerformance().map {
+        EventListUiState(it)
+    }.stateIn(
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(stopTimeoutMillis = AppDataContainer.TIMEOUT),
+        initialValue = EventListUiState()
+    )
+}
+
+data class EventListUiState(val eventList: List<EventWithPerformance> = listOf())

app/src/main/java/com/example/mobile_labs/ui/navigation/MainNavbar.kt

@@ -1,4 +1,4 @@
-package com.example.mobile_labs.composeui.navigation
+package com.example.mobile_labs.ui.navigation
 
 import android.content.res.Configuration
 import androidx.compose.foundation.layout.PaddingValues
@@ -33,11 +33,11 @@ import androidx.navigation.compose.rememberNavController
 import androidx.navigation.navArgument
 import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
 import com.example.mobile_labs.R
-import com.example.mobile_labs.composeui.About
+import com.example.mobile_labs.ui.about.About
-import com.example.mobile_labs.event.composeui.Schedule
+import com.example.mobile_labs.ui.event.list.EventList
-import com.example.mobile_labs.performance.composeui.PerformanceView
+import com.example.mobile_labs.ui.performance.list.PerformanceList
-import com.example.mobile_labs.performance.composeui.Repertoire
+import com.example.mobile_labs.ui.performance.view.PerformanceView
-import com.example.mobile_labs.person.composeui.PeopleList
+import com.example.mobile_labs.ui.person.list.PeopleList
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -107,15 +107,15 @@ fun Navhost(
         startDestination = Screen.Schedule.route,
         modifier.padding(innerPadding)
     ) {
-        composable(Screen.Schedule.route) { Schedule(navController) }
+        composable(Screen.Schedule.route) { EventList(navController) }
-        composable(Screen.Repertoire.route) { Repertoire(navController) }
+        composable(Screen.Repertoire.route) { PerformanceList(navController) }
-        composable(Screen.PeopleList.route) { PeopleList(navController) }
+        composable(Screen.PeopleList.route) { PeopleList() }
         composable(Screen.About.route) { About() }
         composable(
             Screen.PerformanceView.route,
             arguments = listOf(navArgument("id") { type = NavType.IntType })
         ) { backStackEntry ->
-            backStackEntry.arguments?.let { PerformanceView(it.getInt("id")) }
+            backStackEntry.arguments?.let { PerformanceView() }
         }
     }
 }

app/src/main/java/com/example/mobile_labs/ui/navigation/Screen.kt

@@ -1,4 +1,4 @@
-package com.example.mobile_labs.composeui.navigation
+package com.example.mobile_labs.ui.navigation
 
 import androidx.annotation.StringRes
 import androidx.compose.material.icons.Icons

app/src/main/java/com/example/mobile_labs/ui/performance/list/PerformanceList.kt

@@ -0,0 +1,138 @@
+package com.example.mobile_labs.ui.performance.list
+
+import com.example.mobile_labs.ui.event.list.EventListViewModel
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+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.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+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
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import coil.compose.AsyncImage
+import com.example.mobile_labs.R
+import com.example.mobile_labs.database.AppDatabase
+import com.example.mobile_labs.database.event.model.Event
+import com.example.mobile_labs.database.event.model.EventWithPerformance
+import com.example.mobile_labs.database.performance.model.Performance
+import com.example.mobile_labs.database.person.model.Person
+import com.example.mobile_labs.ui.AppViewModelProvider
+import com.example.mobile_labs.ui.navigation.Screen
+import com.example.mobile_labs.ui.person.list.PeopleListViewModel
+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
+
+@Composable
+fun PerformanceList(
+    navController: NavController,
+    viewModel: PerformanceListViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val performanceListUiState by viewModel.performanceListUiState.collectAsState()
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        modifier = Modifier
+            .padding(all = 10.dp)) {
+        PerformanceList(
+            performanceList = performanceListUiState.performanceList,
+            onClick = {uid : Int ->
+                val route = Screen.PerformanceView.route.replace("{id}", uid.toString())
+                navController.navigate(route)
+            }
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun PerformanceList(
+    modifier: Modifier = Modifier,
+    performanceList: List<Performance>,
+    onClick: (uid: Int) -> Unit
+) {
+    Column(
+        modifier = modifier
+    ) {
+        if (performanceList.isEmpty()) {
+            Text(
+                text = stringResource(R.string.performance_missing_description),
+                textAlign = TextAlign.Center,
+                style = MaterialTheme.typography.titleLarge
+            )
+        } else {
+            LazyColumn(modifier = Modifier.padding(all = 10.dp)) {
+                items(items = performanceList, key = { it.performance_uid !! }) { performance ->
+                    PerformanceListItem(performance = performance, modifier = Modifier
+                        .padding(vertical = 7.dp), onClick = onClick)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun PerformanceListItem(
+    performance: Performance, modifier: Modifier = Modifier,
+    onClick: (uid: Int) -> Unit
+) {
+    Card(
+        modifier = modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = modifier.padding(all = 10.dp)
+        ) {
+            AsyncImage(model = performance.imageURL, contentDescription = "")
+            Button(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(all = 10.dp),
+                onClick = { onClick(performance.performance_uid !!) }) {
+                Text(performance.title)
+            }
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun SchedulePreview() {
+    Mobile_LabsTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            PerformanceList(performanceList = listOf(), onClick = {})
+        }
+    }
+}

app/src/main/java/com/example/mobile_labs/ui/performance/list/PerformanceListViewModel.kt

@@ -0,0 +1,29 @@
+package com.example.mobile_labs.ui.performance.list
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobile_labs.database.AppDataContainer
+import com.example.mobile_labs.database.performance.model.Performance
+import com.example.mobile_labs.database.performance.repository.PerformanceRepository
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+
+class PerformanceListViewModel(
+    private val performanceRepository: PerformanceRepository
+) : ViewModel() {
+    val performanceListUiState: StateFlow<PerformanceListUiState> = performanceRepository.getAllPerformances().map {
+        PerformanceListUiState(it)
+    }.stateIn(
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(stopTimeoutMillis = AppDataContainer.TIMEOUT),
+        initialValue = PerformanceListUiState()
+    )
+
+//    suspend fun deleteStudent(student: Student) {
+//        studentRepository.deleteStudent(student)
+//    }
+}
+
+data class PerformanceListUiState(val performanceList: List<Performance> = listOf())

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

@@ -1,75 +1,58 @@
-package com.example.mobile_labs.performance.composeui
+package com.example.mobile_labs.ui.performance.view
 
 import android.content.res.Configuration
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.Button
 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.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
-import androidx.compose.runtime.setValue
+import androidx.compose.runtime.rememberCoroutineScope
 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
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import coil.compose.AsyncImage
-import com.example.mobile_labs.composeui.navigation.Screen
-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 com.example.mobile_labs.database.performance.model.PerformanceWithPeople
+import com.example.mobile_labs.ui.AppViewModelProvider
+import com.example.mobile_labs.ui.theme.Mobile_LabsTheme
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun PerformanceView(id: Int) {
+fun PerformanceView(
-    val context = LocalContext.current
+    viewModel: PerformanceViewModel = viewModel(factory = AppViewModelProvider.Factory)
-    val (performaceWithPeople, setPerformanceWithPeople) = remember { mutableStateOf<PerformanceWithPeople?>(null) }
+) {
-    LaunchedEffect(Unit) {
+    val performanceWithPeople = viewModel.performanceUiState.performanceDetails;
-        withContext(Dispatchers.IO) {
-            setPerformanceWithPeople(AppDatabase.getInstance(context).performanceDao().getByUid(id))
-        }
-    }
-    var actorsText = ""
-    performaceWithPeople?.actors?.forEach {
-        if (actorsText != "") actorsText += "\n"
-        actorsText += "${it.last_name} ${it.first_name}"
-    }
     Column(
         horizontalAlignment = Alignment.CenterHorizontally,
         modifier = Modifier
-            .padding(all = 10.dp)
+            .padding(all = 10.dp)) {
-            .verticalScroll(rememberScrollState())) {
+        Text(text = performanceWithPeople.authorName, textAlign = TextAlign.Center)
-        Text(text = "${performaceWithPeople?.author?.last_name} ${performaceWithPeople?.author?.first_name}", textAlign = TextAlign.Center)
+        Text(text = performanceWithPeople.title, textAlign = TextAlign.Center, fontSize = 30.sp)
-        Text(text = performaceWithPeople?.performance?.title ?: "", textAlign = TextAlign.Center, fontSize = 30.sp)
+        AsyncImage(model = performanceWithPeople.imageURL, contentDescription = "performance image")
-        AsyncImage(model = performaceWithPeople?.performance?.imageURL, contentDescription = "performance image")
+        OutlinedTextField(modifier = Modifier.fillMaxWidth(), value = performanceWithPeople.description, onValueChange = {}, readOnly = true,
-        OutlinedTextField(modifier = Modifier.fillMaxWidth(), value = performaceWithPeople?.performance?.description ?: "", onValueChange = {}, readOnly = true,
             label = {
                 Text(stringResource(id = R.string.performance_description))
             }
         )
-        OutlinedTextField(modifier = Modifier.fillMaxWidth(), value = actorsText, onValueChange = {}, readOnly = true,
+        OutlinedTextField(modifier = Modifier.fillMaxWidth(), value = performanceWithPeople.actorsList, onValueChange = {}, readOnly = true,
             label = {
                 Text(stringResource(id = R.string.performance_actors))
             }
@@ -85,7 +68,7 @@ fun PerformanceViewPreview() {
         Surface(
             color = MaterialTheme.colorScheme.background
         ) {
-            PerformanceView(id = 0)
+            PerformanceView()
         }
     }
 }

app/src/main/java/com/example/mobile_labs/ui/performance/view/PerformanceViewModel.kt

@@ -0,0 +1,60 @@
+package com.example.mobile_labs.ui.performance.view
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobile_labs.database.performance.model.Performance
+import com.example.mobile_labs.database.performance.model.PerformanceWithPeople
+import com.example.mobile_labs.database.performance.repository.PerformanceRepository
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+
+class PerformanceViewModel(
+    savedStateHandle: SavedStateHandle,
+    private val performanceRepository: PerformanceRepository
+) : ViewModel() {
+
+    var performanceUiState by mutableStateOf(PerformanceUiState())
+        private set
+
+    private val studentUid: Int = checkNotNull(savedStateHandle["id"])
+
+    init {
+        viewModelScope.launch {
+            if (studentUid > 0) {
+                performanceUiState = performanceRepository.getPerformance(studentUid)
+                    .filterNotNull()
+                    .first()
+                    .toUiState()
+            }
+        }
+    }
+}
+
+data class PerformanceUiState(
+    val performanceDetails: PerformanceDetails = PerformanceDetails(),
+)
+
+data class PerformanceDetails(
+    val title: String = "",
+    val authorName: String = "",
+    val actorsList: String = "",
+    val imageURL: String = "",
+    val description: String = ""
+)
+
+fun PerformanceWithPeople.toDetails(): PerformanceDetails = PerformanceDetails(
+    title = performance.title,
+    authorName = String.format("%s %s", author.last_name, author.first_name),
+    actorsList = buildString { for (actor in actors) append(actor.last_name + " " + actor.first_name + "\n") },
+    imageURL = performance.imageURL,
+    description = performance.description,
+)
+
+fun PerformanceWithPeople.toUiState(): PerformanceUiState = PerformanceUiState(
+    performanceDetails = this.toDetails(),
+)

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

@@ -0,0 +1,136 @@
+package com.example.mobile_labs.ui.person.list
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+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.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FloatingActionButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+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
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import coil.compose.AsyncImage
+import com.example.mobile_labs.R
+import com.example.mobile_labs.ui.navigation.Screen
+import com.example.mobile_labs.database.AppDatabase
+import com.example.mobile_labs.database.event.model.EventWithPerformance
+import com.example.mobile_labs.database.person.model.Person
+import com.example.mobile_labs.ui.AppViewModelProvider
+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
+
+@Composable
+fun PeopleList(
+    viewModel: PeopleListViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val peopleListUiState by viewModel.personListUiState.collectAsState()
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        modifier = Modifier
+            .padding(all = 10.dp)) {
+        PeopleList(
+            modifier = Modifier
+                .fillMaxSize(),
+            peopleList = peopleListUiState.personList
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun PeopleList(
+    modifier: Modifier = Modifier,
+    peopleList: List<Person>,
+) {
+    Column(
+        modifier = modifier
+    ) {
+        if (peopleList.isEmpty()) {
+            Text(
+                text = stringResource(R.string.people_missing_description),
+                textAlign = TextAlign.Center,
+                style = MaterialTheme.typography.titleLarge
+            )
+        } else {
+            LazyColumn(modifier = Modifier.padding(all = 10.dp)) {
+                items(items = peopleList, key = { it.uid !! }) { person ->
+                    PeopleListItem(person = person, modifier = Modifier
+                        .padding(vertical = 7.dp))
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun PeopleListItem(
+    person: Person, modifier: Modifier = Modifier
+) {
+    Card(
+        modifier = modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = modifier.padding(all = 10.dp)
+        ) {
+            Row {
+                AsyncImage(model = person.imageURL, contentDescription = "")
+                Text(
+                    text = String.format("%s %s", person.first_name, person.last_name),
+                    textAlign = TextAlign.Center,
+                    modifier = Modifier.padding(10.dp),
+                    style = MaterialTheme.typography.displaySmall
+                )
+            }
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun PeopleListPreview() {
+    Mobile_LabsTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            PeopleList(peopleList = listOf())
+        }
+    }
+}

app/src/main/java/com/example/mobile_labs/ui/person/list/PeopleListViewModel.kt

@@ -0,0 +1,25 @@
+package com.example.mobile_labs.ui.person.list
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobile_labs.database.AppDataContainer
+import com.example.mobile_labs.database.person.model.Person
+import com.example.mobile_labs.database.person.repository.PersonRepository
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+
+class PeopleListViewModel(
+    private val personRepository: PersonRepository
+) : ViewModel() {
+    val personListUiState: StateFlow<PersonListUiState> = personRepository.getAllPeople().map {
+        PersonListUiState(it)
+    }.stateIn(
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(stopTimeoutMillis = AppDataContainer.TIMEOUT),
+        initialValue = PersonListUiState()
+    )
+}
+
+data class PersonListUiState(val personList: List<Person> = listOf())

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

@@ -5,7 +5,7 @@ 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.database.person.model.Person
 import com.example.mobile_labs.user.model.User
 import kotlinx.coroutines.flow.Flow
 

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

@@ -9,6 +9,9 @@
     <string name="people_main_title">Люди театра</string>
     <string name="about_main_title">О нас</string>
     <string name="performance_view_main_title">Представление</string>
+    <string name="people_missing_description">Данные о людях отсутствуют</string>
+    <string name="events_missing_description">Данные о событиях отсутствуют</string>
+    <string name="performance_missing_description">Данные о представлениях отсутствуют</string>
     <string name="about_text">
         <p>
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