Added undo snackbar for list deletion

Made all destinations show the menu instead of the back button (for now)

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/model/AppDestination.kt

@@ -13,16 +13,16 @@ sealed class AppDestination(
     object DueTodayList : AppDestination(
         route = "todayList",
         title = "Due Today",
-        showBackButton = true,
+        showBackButton = false,
     )
     object ManageLists : AppDestination(
         route = "manageLists",
         title = "Manage Lists",
-        showBackButton = true,
+        showBackButton = false,
     )
     object RecycleBin : AppDestination(
         route = "recycleBin",
         title = "Recycle Bin",
-        showBackButton = true,
+        showBackButton = false,
     )
 }

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/usecase/DeleteTaskListUseCase.kt

@@ -6,7 +6,7 @@ import javax.inject.Inject
 class DeleteTaskListUseCase@Inject constructor(
     private val repository: TaskRepository
 ) {
-    suspend operator fun invoke(taskListId: Long) {
+    suspend operator fun invoke(taskListId: Long, isDeleted: Boolean) {
-        repository.deleteTaskList(taskListId, true)
+        repository.deleteTaskList(taskListId, isDeleted)
     }
 }

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/ManageListsScreen.kt

@@ -6,10 +6,12 @@ import androidx.compose.animation.fadeOut
 import androidx.compose.animation.togetherWith
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
@@ -62,6 +64,18 @@ fun ManageListsScreen(
     showAddListSheet: () -> Unit
 ) {
     var lists = viewModel.taskLists.toMutableList()
+
+    if (lists.isEmpty()) {
+        // Placeholder when no task lists exist
+        Box(
+            modifier = modifier.fillMaxSize(),
+            contentAlignment = Alignment.Center
+        ) {
+            Text("Tap + to create a new task list.")
+        }
+        return
+    }
+
     val lazyListState = rememberLazyListState()
     val reorderState = rememberReorderableLazyListState(
         lazyListState = lazyListState,

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/screen/TaskListScreen.kt

@@ -1,7 +1,7 @@
 package com.wismna.geoffroy.donext.presentation.screen
 
 import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -12,8 +12,8 @@ import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-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
@@ -27,12 +27,11 @@ fun TaskListScreen(
 
     if (tasks.isEmpty()) {
         // Placeholder when recycle bin is empty
-        Column (
+        Box(
-            modifier = modifier.fillMaxSize().padding(10.dp),
+            modifier = modifier.fillMaxSize(),
-            Arrangement.Center
+            contentAlignment = Alignment.Center
         ) {
-            Text("Nothing here!", modifier.fillMaxWidth(), textAlign = TextAlign.Center)
+            Text("Tap + to create a new task.")
-            Text("Add tasks with the Create Task button", modifier.fillMaxWidth(), textAlign = TextAlign.Center)
         }
         return
     }

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/DueTodayViewModel.kt

@@ -59,7 +59,7 @@ class DueTodayViewModel @Inject constructor(
 
             uiEventBus.send(
                 UiEvent.ShowUndoSnackbar(
-                    message = "Task moved to trash",
+                    message = "Task moved to recycle bin",
                     undoAction = {
                         viewModelScope.launch {
                             toggleTaskDeletedUseCase(taskId, false)

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/ManageListsViewModel.kt

@@ -11,6 +11,8 @@ import com.wismna.geoffroy.donext.domain.usecase.AddTaskListUseCase
 import com.wismna.geoffroy.donext.domain.usecase.DeleteTaskListUseCase
 import com.wismna.geoffroy.donext.domain.usecase.GetTaskListsUseCase
 import com.wismna.geoffroy.donext.domain.usecase.UpdateTaskListUseCase
+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
@@ -22,7 +24,8 @@ class ManageListsViewModel @Inject constructor(
     getTaskListsUseCase: GetTaskListsUseCase,
     private val addTaskListUseCase: AddTaskListUseCase,
     private val updateTaskListUseCase: UpdateTaskListUseCase,
-    private val deleteTaskListUseCase: DeleteTaskListUseCase
+    private val deleteTaskListUseCase: DeleteTaskListUseCase,
+    private val uiEventBus: UiEventBus
 ) : ViewModel() {
 
     var taskLists by mutableStateOf<List<TaskList>>(emptyList())
@@ -51,7 +54,18 @@ class ManageListsViewModel @Inject constructor(
     }
     fun deleteTaskList(taskListId: Long) {
         viewModelScope.launch {
-            deleteTaskListUseCase(taskListId)
+            deleteTaskListUseCase(taskListId, true)
+
+            uiEventBus.send(
+                UiEvent.ShowUndoSnackbar(
+                    message = "Task list moved to recycle bin",
+                    undoAction = {
+                        viewModelScope.launch {
+                            deleteTaskListUseCase(taskListId, false)
+                        }
+                    }
+                )
+            )
         }
     }
 

donextv2/src/main/java/com/wismna/geoffroy/donext/presentation/viewmodel/TaskListViewModel.kt

@@ -65,7 +65,7 @@ class TaskListViewModel @Inject constructor(
 
             uiEventBus.send(
                 UiEvent.ShowUndoSnackbar(
-                    message = "Task moved to trash",
+                    message = "Task moved to recycle bin",
                     undoAction = {
                         viewModelScope.launch {
                             toggleTaskDeletedUseCase(taskId, false)