feat: group display on schedule screen

app/src/main/java/agzam/vyatsu/AppRoot.kt

@@ -41,5 +41,5 @@ private class SimpleFactory<T : ViewModel>(private val create: () -> T) : ViewMo
     override fun <T : ViewModel> create(modelClass: Class<T>): T = create() as T
 }
 
-private fun scheduleFactory(c: AppContainer): ViewModelProvider.Factory = SimpleFactory { ScheduleViewModel(c.scheduleRepository, c.preferencesRepository) }
+private fun scheduleFactory(c: AppContainer): ViewModelProvider.Factory = SimpleFactory { ScheduleViewModel(c.scheduleRepository, c.preferencesRepository, c.groupRepository) }
 private fun groupPickerFactory(c: AppContainer): ViewModelProvider.Factory = SimpleFactory { GroupPickerViewModel(c.groupRepository) }

app/src/main/java/agzam/vyatsu/data/repository/GroupRepositoryImpl.kt

@@ -23,6 +23,9 @@ class GroupRepositoryImpl(
     override suspend fun getGroups(): List<Group> =
         groupDao.observeAll().first().map { it.toDomain() }
 
+    override suspend fun getGroup(id: String): Group? =
+        groupDao.getById(id)?.toDomain()
+
     override suspend fun getFaculties(): List<String> = groupDao.getFaculties()
 
     override suspend fun refreshIfStale(): Boolean {

app/src/main/java/agzam/vyatsu/domain/repository/GroupRepository.kt

@@ -6,6 +6,7 @@ import kotlinx.coroutines.flow.Flow
 interface GroupRepository {
     fun observeGroups(): Flow<List<Group>>
     suspend fun getGroups(): List<Group>
+    suspend fun getGroup(id: String): Group?
     suspend fun getFaculties(): List<String>
     suspend fun refreshIfStale(): Boolean
     suspend fun forceRefresh(): Boolean

app/src/main/java/agzam/vyatsu/ui/schedule/ScheduleScreen.kt

@@ -44,7 +44,7 @@ fun ScheduleScreen(viewModel: ScheduleViewModel, onSwitchGroup: () -> Unit) {
 
     Column(Modifier.fillMaxSize()) {
         TopAppBar(
-            title = { Text("Расписание") },
+            title = { Text(state.groupName ?: "Расписание", style = MaterialTheme.typography.titleMedium) },
             actions = {
                 TextButton(onClick = { onSwitchGroup() }) {
                     Text("Сменить группу")
@@ -53,7 +53,7 @@ fun ScheduleScreen(viewModel: ScheduleViewModel, onSwitchGroup: () -> Unit) {
                     Icon(Icons.Default.Refresh, contentDescription = "Обновить")
                 }
             },
-            windowInsets = WindowInsets.systemBars.only(androidx.compose.foundation.layout.WindowInsetsSides.Top)
+            windowInsets = WindowInsets(0.dp)
         )
         Column(Modifier.fillMaxSize().padding(horizontal =  16.dp, vertical = 0.dp)) {
             when {

app/src/main/java/agzam/vyatsu/ui/schedule/ScheduleViewModel.kt

@@ -3,6 +3,7 @@ package agzam.vyatsu.ui.schedule
 import agzam.vyatsu.domain.ScheduleDates
 import agzam.vyatsu.domain.model.Day
 import agzam.vyatsu.domain.model.Schedule
+import agzam.vyatsu.domain.repository.GroupRepository
 import agzam.vyatsu.domain.repository.PreferencesRepository
 import agzam.vyatsu.domain.repository.ScheduleRepository
 import androidx.lifecycle.ViewModel
@@ -14,7 +15,8 @@ import kotlinx.coroutines.launch
 
 class ScheduleViewModel(
     private val scheduleRepository: ScheduleRepository,
-    private val preferencesRepository: PreferencesRepository
+    private val preferencesRepository: PreferencesRepository,
+    private val groupRepository: GroupRepository
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(ScheduleUiState())
@@ -37,7 +39,8 @@ class ScheduleViewModel(
         currentGroupId = groupId
         viewModelScope.launch {
             preferencesRepository.setSelectedGroup(groupId)
-            _uiState.value = _uiState.value.copy(noGroup = false)
+            val groupName = groupRepository.getGroup(groupId)?.name
+            _uiState.value = _uiState.value.copy(noGroup = false, groupName = groupName)
 
             launch {
                 scheduleRepository.observeSchedule(groupId).collect { schedule ->
@@ -124,6 +127,7 @@ data class ScheduleUiState(
     val noGroup: Boolean = false,
     val isRefreshing: Boolean = false,
     val isSyncing: Boolean = false,
+    val groupName: String? = null,
     val schedule: Schedule? = null,
     val todayIndex: Int = 0,
     val selectedIndex: Int = 0