ui: header group display

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/ui/schedule/ScheduleScreen.kt

@@ -57,7 +57,7 @@ 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")

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

@@ -2,6 +2,7 @@ package agzam.vyatsu.ui.schedule
 
 import agzam.vyatsu.domain.ScheduleDates
 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 java.time.LocalDate
 
 class ScheduleViewModel(
     private val scheduleRepository: ScheduleRepository,
-    private val preferencesRepository: PreferencesRepository
+    private val preferencesRepository: PreferencesRepository,
+    private val groupRepository: GroupRepository
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(ScheduleUiState())
@@ -28,7 +30,7 @@ class ScheduleViewModel(
             if (groupId != null) {
                 selectGroup(groupId)
             } else {
-                _uiState.value = _uiState.value.copy(noGroup = true)
+            _uiState.value = _uiState.value.copy(noGroup = true, groupName = null)
             }
         }
     }
@@ -37,6 +39,7 @@ class ScheduleViewModel(
         currentGroupId = groupId
         viewModelScope.launch {
             preferencesRepository.setSelectedGroup(groupId)
+            val groupName = groupRepository.getGroups().firstOrNull { it.id == groupId }?.name
 
             val savedWeekStart = runCatching {
                 preferencesRepository.selectedWeekStart()?.let(LocalDate::parse)
@@ -46,6 +49,7 @@ class ScheduleViewModel(
             }.getOrNull()
             _uiState.value = _uiState.value.copy(
                 noGroup = false,
+                groupName = groupName,
                 weekStart = savedWeekStart,
                 dayDate = savedDayDate
             )
@@ -174,6 +178,7 @@ data class ScheduleUiState(
     val isRefreshing: Boolean = false,
     val isSyncing: Boolean = false,
     val schedule: Schedule? = null,
+    val groupName: String? = null,
     val weekStart: LocalDate? = null,
     val dayDate: LocalDate? = null,
     val todayDate: LocalDate? = null