Restore due date on task list items

Replace toast with snackbar with an undo action
2025-12-06 08:12:37 -05:00 · 2025-10-10 15:43:36 -04:00
parent c57210494a
commit c579a5d252
12 changed files with 157 additions and 88 deletions
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/DueTodayTasksScreen.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/DueTodayTasksScreen.kt
@@ -1,6 +1,5 @@
 package com.wismna.geoffroy.donext.presentation.screen

-import android.widget.Toast
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
@@ -10,7 +9,6 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import com.wismna.geoffroy.donext.presentation.viewmodel.DueTodayViewModel
@@ -31,7 +29,6 @@ fun DueTodayTasksScreen(
            Text("Nothing due today !")
        }
    } else {
-        val context = LocalContext.current
        LazyColumn(
            modifier = modifier.padding(8.dp)
        ) {
@@ -39,15 +36,8 @@ fun DueTodayTasksScreen(
                TaskItemScreen(
                    modifier = Modifier.animateItem(),
                    task = task,
-                    onSwipeLeft = {
-                        viewModel.updateTaskDone(task.id!!)
-                        Toast.makeText(context, "Task done", Toast.LENGTH_SHORT).show()
-                    },
-                    onSwipeRight = {
-                        viewModel.deleteTask(task.id!!)
-                        Toast.makeText(context, "Task moved to recycle bin", Toast.LENGTH_SHORT)
-                            .show()
-                    }
+                    onSwipeLeft = { viewModel.updateTaskDone(task.id!!) },
+                    onSwipeRight = { viewModel.deleteTask(task.id!!) }
                )
            }
        }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/MainScreen.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/MainScreen.kt
@@ -25,6 +25,10 @@ import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalNavigationDrawer
 import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.SnackbarResult
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
@@ -53,7 +57,6 @@ import com.wismna.geoffroy.donext.domain.model.AppDestination
 import com.wismna.geoffroy.donext.presentation.ui.events.UiEvent
 import com.wismna.geoffroy.donext.presentation.viewmodel.MainViewModel
 import com.wismna.geoffroy.donext.presentation.viewmodel.TaskListViewModel
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch

@@ -63,7 +66,6 @@ fun MainScreen(
 ) {
    val navController = rememberNavController()
    val drawerState = rememberDrawerState(DrawerValue.Closed)
-    val scope = rememberCoroutineScope()

    if (viewModel.isLoading) {
        Box(Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
@@ -88,7 +90,7 @@ fun MainScreen(
        },
        drawerState = drawerState
    ) {
-        AppContent(viewModel = viewModel, navController = navController, scope = scope, drawerState = drawerState)
+        AppContent(viewModel = viewModel, navController = navController, drawerState = drawerState)
    }
 }

@@ -97,9 +99,11 @@ fun AppContent(
    modifier : Modifier = Modifier,
    viewModel: MainViewModel,
    navController: NavHostController,
-    scope: CoroutineScope,
    drawerState: DrawerState
 ) {
+    val scope = rememberCoroutineScope()
+    val snackbarHostState = remember { SnackbarHostState() }
+
    LaunchedEffect(Unit) {
        viewModel.uiEventBus.events.collectLatest { event ->
            when (event) {
@@ -109,13 +113,24 @@ fun AppContent(
                }
                is UiEvent.NavigateBack -> navController.popBackStack()
                is UiEvent.EditTask -> { viewModel.showTaskSheet = true }
-                else -> {}
+                is UiEvent.ShowUndoSnackbar -> {
+                    val result = snackbarHostState.showSnackbar(
+                        message = event.message,
+                        actionLabel = "Undo",
+                        duration = SnackbarDuration.Short
+                    )
+                    if (result == SnackbarResult.ActionPerformed) {
+                        event.undoAction()
+                    }
+                }
+                else -> Unit
            }
        }
    }
    Scaffold(
        modifier = modifier.background(MaterialTheme.colorScheme.primaryContainer),
        containerColor = Color.Transparent,
+        snackbarHost = { SnackbarHost(hostState = snackbarHostState) },
        topBar = {
            TopAppBar(
                title = { Text(viewModel.currentDestination.title) },
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/RecycleBinScreen.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/RecycleBinScreen.kt
@@ -75,11 +75,9 @@ fun RecycleBinScreen(
                TaskItemScreen(
                    modifier = Modifier.animateItem(),
                    task = item.task,
-                    onSwipeLeft = {
-                        viewModel.restore(item.task.id!!)
-                        Toast.makeText(context, "Task restored", Toast.LENGTH_SHORT).show()
-                    },
+                    onSwipeLeft = { viewModel.restore(item.task.id!!) },
                    onSwipeRight = {
+                        // TODO: add confirmation dialog
                        viewModel.deleteForever(item.task.id!!)
                        Toast.makeText(context, "Task deleted", Toast.LENGTH_SHORT).show()
                    }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/TaskItemScreen.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/TaskItemScreen.kt
@@ -123,7 +123,7 @@ fun TaskItemScreen(
                        )

                        // Due date badge
-                        viewModel.dueDateText?.let { dueMillis ->
+                        viewModel.dueDate?.let { dueMillis ->
                            Badge(
                                modifier = Modifier
                                    .align(
@@ -134,7 +134,7 @@ fun TaskItemScreen(
                            ) {
                                Text(
                                    modifier = Modifier.padding(start = 1.dp, end = 1.dp),
-                                    text = viewModel.dueDateText,
+                                    text = viewModel.dueDate!!,
                                    color = if (viewModel.isOverdue) Color.White else MaterialTheme.colorScheme.onPrimaryContainer,
                                    style = MaterialTheme.typography.bodySmall
                                )
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/TaskListScreen.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/TaskListScreen.kt
@@ -1,7 +1,7 @@
 package com.wismna.geoffroy.donext.presentation.screen

-import android.widget.Toast
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -9,26 +9,39 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import com.wismna.geoffroy.donext.presentation.viewmodel.TaskListViewModel

@Composable
 fun TaskListScreen(
+    modifier: Modifier = Modifier,
    viewModel: TaskListViewModel = hiltViewModel<TaskListViewModel>(),
 ) {
    val tasks = viewModel.tasks

+    if (tasks.isEmpty()) {
+        // Placeholder when recycle bin is empty
+        Column (
+            modifier = modifier.fillMaxSize().padding(10.dp),
+            Arrangement.Center
+        ) {
+            Text("Nothing here!", modifier.fillMaxWidth(), textAlign = TextAlign.Center)
+            Text("Add tasks with the Create Task button", modifier.fillMaxWidth(), textAlign = TextAlign.Center)
+        }
+        return
+    }
+
    // Split tasks into active and done
    val (active, done) = remember(tasks) {
        tasks.partition { !it.isDone }
    }

-    val context = LocalContext.current
    LazyColumn(
        modifier = Modifier.fillMaxSize(),
        contentPadding = PaddingValues(8.dp),
@@ -42,14 +55,8 @@ fun TaskListScreen(
            TaskItemScreen(
                modifier = Modifier.animateItem(),
                task = task,
-                onSwipeLeft = {
-                    viewModel.updateTaskDone(task.id!!, true)
-                    Toast.makeText(context, "Task done", Toast.LENGTH_SHORT).show()
-                },
-                onSwipeRight = {
-                    viewModel.deleteTask(task.id!!)
-                    Toast.makeText(context, "Task moved to recycle bin", Toast.LENGTH_SHORT).show()
-                }
+                onSwipeLeft = { viewModel.updateTaskDone(task.id!!, true) },
+                onSwipeRight = { viewModel.deleteTask(task.id!!) }
            )
        }

@@ -72,14 +79,8 @@ fun TaskListScreen(
            TaskItemScreen(
                modifier = Modifier.animateItem(),
                task = task,
-                onSwipeLeft = {
-                    viewModel.updateTaskDone(task.id!!, false)
-                    Toast.makeText(context, "Task in progress", Toast.LENGTH_SHORT).show()
-                },
-                onSwipeRight = {
-                    viewModel.deleteTask(task.id!!)
-                    Toast.makeText(context, "Task moved to recycle bin", Toast.LENGTH_SHORT).show()
-                },
+                onSwipeLeft = { viewModel.updateTaskDone(task.id!!, false) },
+                onSwipeRight = { viewModel.deleteTask(task.id!!) },
            )
        }

--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/ui/events/UiEvent.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/ui/events/UiEvent.kt
@@ -5,9 +5,11 @@ import com.wismna.geoffroy.donext.domain.model.Task
 sealed class UiEvent {
    data class Navigate(val route: String) : UiEvent()
    data object NavigateBack : UiEvent()
-    data class ShowSnackbar(val message: String) : UiEvent()
-
    data class EditTask(val task: Task) : UiEvent()
    data class CreateNewTask(val taskListId: Long) : UiEvent()
    data object CloseTask : UiEvent()
+    data class ShowUndoSnackbar(
+        val message: String,
+        val undoAction: () -> Unit
+    ) : UiEvent()
 }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/DueTodayViewModel.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/DueTodayViewModel.kt
@@ -9,6 +9,8 @@ import com.wismna.geoffroy.donext.domain.model.Task
 import com.wismna.geoffroy.donext.domain.usecase.GetDueTodayTasksUseCase
 import com.wismna.geoffroy.donext.domain.usecase.ToggleTaskDeletedUseCase
 import com.wismna.geoffroy.donext.domain.usecase.ToggleTaskDoneUseCase
+import com.wismna.geoffroy.donext.presentation.ui.events.UiEvent
+import com.wismna.geoffroy.donext.presentation.ui.events.UiEventBus
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -17,16 +19,17 @@ import javax.inject.Inject

@HiltViewModel
 class DueTodayViewModel @Inject constructor(
-    getDueTodayTasks: GetDueTodayTasksUseCase,
-    private val toggleTaskDeleted: ToggleTaskDeletedUseCase,
-    private val toggleTaskDone: ToggleTaskDoneUseCase
+    getDueTodayTasksUseCase: GetDueTodayTasksUseCase,
+    private val toggleTaskDeletedUseCase: ToggleTaskDeletedUseCase,
+    private val toggleTaskDoneUseCase: ToggleTaskDoneUseCase,
+    private val uiEventBus: UiEventBus
 ) : ViewModel() {

    var dueTodayTasks by mutableStateOf<List<Task>>(emptyList())
        private set

    init {
-        getDueTodayTasks()
+        getDueTodayTasksUseCase()
            .onEach { tasks ->
                dueTodayTasks = tasks
            }
@@ -35,12 +38,35 @@ class DueTodayViewModel @Inject constructor(

    fun updateTaskDone(taskId: Long) {
        viewModelScope.launch {
-            toggleTaskDone(taskId, true)
+            toggleTaskDoneUseCase(taskId, true)
+
+            uiEventBus.send(
+                UiEvent.ShowUndoSnackbar(
+                    message = "Task done",
+                    undoAction = {
+                        viewModelScope.launch {
+                            toggleTaskDoneUseCase(taskId, false)
+                        }
+                    }
+                )
+            )
        }
    }
+
    fun deleteTask(taskId: Long) {
        viewModelScope.launch {
-            toggleTaskDeleted(taskId, true)
+            toggleTaskDeletedUseCase(taskId, true)
+
+            uiEventBus.send(
+                UiEvent.ShowUndoSnackbar(
+                    message = "Task moved to trash",
+                    undoAction = {
+                        viewModelScope.launch {
+                            toggleTaskDeletedUseCase(taskId, false)
+                        }
+                    }
+                )
+            )
        }
    }
 }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/MainViewModel.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/MainViewModel.kt
@@ -46,10 +46,10 @@ class MainViewModel @Inject constructor(
                    AppDestination.ManageLists +
                    AppDestination.RecycleBin +
                    AppDestination.DueTodayList
-                isLoading = false
                if (startDestination == AppDestination.ManageLists && destinations.isNotEmpty()) {
                    startDestination = destinations.first()
                }
+                isLoading = false
            }
            .launchIn(viewModelScope)
    }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/MenuViewModel.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/MenuViewModel.kt
@@ -6,7 +6,6 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import com.wismna.geoffroy.donext.domain.model.AppDestination
 import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
 import com.wismna.geoffroy.donext.domain.usecase.GetDueTodayTasksUseCase
 import com.wismna.geoffroy.donext.domain.usecase.GetTaskListsWithOverdueUseCase
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/RecycleBinViewModel.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/RecycleBinViewModel.kt
@@ -10,6 +10,8 @@ import com.wismna.geoffroy.donext.domain.usecase.EmptyRecycleBinUseCase
 import com.wismna.geoffroy.donext.domain.usecase.GetDeletedTasksUseCase
 import com.wismna.geoffroy.donext.domain.usecase.PermanentlyDeleteTaskUseCase
 import com.wismna.geoffroy.donext.domain.usecase.ToggleTaskDeletedUseCase
+import com.wismna.geoffroy.donext.presentation.ui.events.UiEvent
+import com.wismna.geoffroy.donext.presentation.ui.events.UiEventBus
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -18,10 +20,11 @@ import javax.inject.Inject

@HiltViewModel
 class RecycleBinViewModel @Inject constructor(
-    private val getDeletedTasks: GetDeletedTasksUseCase,
-    private val restoreTask: ToggleTaskDeletedUseCase,
-    private val permanentlyDeleteTask: PermanentlyDeleteTaskUseCase,
-    private val emptyRecycleBinUseCase: EmptyRecycleBinUseCase
+    private val getDeletedTasksUseCase: GetDeletedTasksUseCase,
+    private val toggleTaskDeletedUseCase: ToggleTaskDeletedUseCase,
+    private val permanentlyDeleteTaskUseCase: PermanentlyDeleteTaskUseCase,
+    private val emptyRecycleBinUseCase: EmptyRecycleBinUseCase,
+    private val uiEventBus: UiEventBus
 ) : ViewModel() {

    var deletedTasks by mutableStateOf<List<TaskWithListName>>(emptyList())
@@ -32,7 +35,7 @@ class RecycleBinViewModel @Inject constructor(
    }

    fun loadDeletedTasks() {
-        getDeletedTasks()
+        getDeletedTasksUseCase()
            .onEach { tasks ->
                deletedTasks = tasks
            }
@@ -41,14 +44,25 @@ class RecycleBinViewModel @Inject constructor(

    fun restore(taskId: Long) {
        viewModelScope.launch {
-            restoreTask(taskId, false)
+            toggleTaskDeletedUseCase(taskId, false)
            loadDeletedTasks()
+
+            uiEventBus.send(
+                UiEvent.ShowUndoSnackbar(
+                    message = "Task restored",
+                    undoAction = {
+                        viewModelScope.launch {
+                            toggleTaskDeletedUseCase(taskId, true)
+                        }
+                    }
+                )
+            )
        }
    }

    fun deleteForever(taskId: Long) {
        viewModelScope.launch {
-            permanentlyDeleteTask(taskId)
+            permanentlyDeleteTaskUseCase(taskId)
            loadDeletedTasks()
        }
    }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/TaskItemViewModel.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/TaskItemViewModel.kt
@@ -24,41 +24,25 @@ class TaskItemViewModel @Inject constructor(
    var id: Long? = null
    var name: String? = null
    var description: String? = null
-    var dueDate: Long? = null
+    var dueDate: String? = null
    var isDone: Boolean = false
    var isDeleted: Boolean = false
    var priority: Priority = Priority.NORMAL
-
+    var isOverdue: Boolean = false
    val today: LocalDate = LocalDate.now(ZoneId.systemDefault())

-    val isOverdue: Boolean = dueDate?.let { millis ->
-        val dueDate = millis.toLocalDate()
-        dueDate.isBefore(today)
-    } ?: false
-
-    val dueDateText: String? = dueDate?.let { formatDueDate(it) }
-
-    private fun formatDueDate(dueMillis: Long): String {
-        val dueDate = dueMillis.toLocalDate()
-
-        return when {
-            dueDate.isEqual(today) -> "Today"
-            dueDate.isEqual(today.plusDays(1)) -> "Tomorrow"
-            dueDate.isEqual(today.minusDays(1)) -> "Yesterday"
-            dueDate.isAfter(today) && dueDate.isBefore(today.plusDays(7)) ->
-                dueDate.dayOfWeek.getDisplayName(TextStyle.SHORT, Locale.getDefault())
-            else ->
-                dueDate.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM).withLocale(Locale.getDefault()))
-        }
-    }
-
    fun populateTask(task: Task) {
        id = task.id!!
        name = task.name
        description = task.description
+        dueDate = task.dueDate?.let { formatDueDate(it) }
        isDone = task.isDone
        isDeleted = task.isDeleted
        priority = task.priority
+        isOverdue = task.dueDate?.let { millis ->
+            val dueDate = millis.toLocalDate()
+            dueDate.isBefore(today)
+        } ?: false
    }

    fun onTaskClicked(task: Task) {
@@ -66,4 +50,19 @@ class TaskItemViewModel @Inject constructor(
            uiEventBus.send(UiEvent.EditTask(task))
        }
    }
+
+    private fun formatDueDate(dueMillis: Long): String {
+        val dueDateLocal = dueMillis.toLocalDate()
+
+        return when {
+            dueDateLocal.isEqual(today) -> "Today"
+            dueDateLocal.isEqual(today.plusDays(1)) -> "Tomorrow"
+            dueDateLocal.isEqual(today.minusDays(1)) -> "Yesterday"
+            dueDateLocal.isAfter(today) && dueDateLocal.isBefore(today.plusDays(7)) ->
+                dueDateLocal.dayOfWeek.getDisplayName(TextStyle.SHORT, Locale.getDefault())
+            else ->
+                dueDateLocal.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM).withLocale(Locale.getDefault()))
+        }
+    }
+
 }
--- a/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/TaskListViewModel.kt
+++ b/donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/TaskListViewModel.kt
@@ -10,6 +10,8 @@ import com.wismna.geoffroy.donext.domain.model.Task
 import com.wismna.geoffroy.donext.domain.usecase.GetTasksForListUseCase
 import com.wismna.geoffroy.donext.domain.usecase.ToggleTaskDeletedUseCase
 import com.wismna.geoffroy.donext.domain.usecase.ToggleTaskDoneUseCase
+import com.wismna.geoffroy.donext.presentation.ui.events.UiEvent
+import com.wismna.geoffroy.donext.presentation.ui.events.UiEventBus
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -18,10 +20,11 @@ import javax.inject.Inject

@HiltViewModel
 class TaskListViewModel @Inject constructor(
-    getTasks: GetTasksForListUseCase,
    savedStateHandle: SavedStateHandle,
-    private val toggleTaskDone: ToggleTaskDoneUseCase,
-    private val toggleTaskDeleted: ToggleTaskDeletedUseCase,
+    getTasksUseCase: GetTasksForListUseCase,
+    private val toggleTaskDoneUseCase: ToggleTaskDoneUseCase,
+    private val toggleTaskDeletedUseCase: ToggleTaskDeletedUseCase,
+    private val uiEventBus: UiEventBus
 ) : ViewModel() {

    var tasks by mutableStateOf<List<Task>>(emptyList())
@@ -32,7 +35,7 @@ class TaskListViewModel @Inject constructor(
    private val taskListId: Long = checkNotNull(savedStateHandle["taskListId"])

    init {
-        getTasks(taskListId)
+        getTasksUseCase(taskListId)
            .onEach { list ->
                tasks = list
                isLoading = false
@@ -42,12 +45,34 @@ class TaskListViewModel @Inject constructor(

    fun updateTaskDone(taskId: Long, isDone: Boolean) {
        viewModelScope.launch {
-            toggleTaskDone(taskId, isDone)
+            toggleTaskDoneUseCase(taskId, isDone)
+
+            uiEventBus.send(
+                UiEvent.ShowUndoSnackbar(
+                    message = "Task done",
+                    undoAction = {
+                        viewModelScope.launch {
+                            toggleTaskDoneUseCase(taskId, !isDone)
+                        }
+                    }
+                )
+            )
        }
    }
    fun deleteTask(taskId: Long) {
        viewModelScope.launch {
-            toggleTaskDeleted(taskId, true)
+            toggleTaskDeletedUseCase(taskId, true)
+
+            uiEventBus.send(
+                UiEvent.ShowUndoSnackbar(
+                    message = "Task moved to trash",
+                    undoAction = {
+                        viewModelScope.launch {
+                            toggleTaskDeletedUseCase(taskId, false)
+                        }
+                    }
+                )
+            )
        }
    }
 }