Add delete task dialog confirmation

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

@@ -50,8 +50,35 @@ fun RecycleBinScreen(
     }
 
     val grouped = tasks.groupBy { it.listName }
-
     val context = LocalContext.current
+
+    if (viewModel.taskToDelete != null) {
+        AlertDialog(
+            onDismissRequest = { viewModel.onCancelDelete() },
+            title = { Text("Delete task") },
+            text = {
+                Text("Are you sure you want to permanently delete this task? This cannot be undone.")
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        viewModel.onConfirmDelete()
+                        Toast.makeText(context, "Task deleted", Toast.LENGTH_SHORT).show()
+                    },
+                    colors = ButtonDefaults.textButtonColors(
+                        contentColor = MaterialTheme.colorScheme.error
+                    )
+                ) {
+                    Text("Delete")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { viewModel.onCancelDelete() }) {
+                    Text("Cancel")
+                }
+            }
+        )
+    }
     LazyColumn(
         modifier = modifier.padding(8.dp)
     ) {
@@ -76,11 +103,7 @@ fun RecycleBinScreen(
                     modifier = Modifier.animateItem(),
                     task = item.task,
                     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()
-                    },
+                    onSwipeRight = { viewModel.onTaskDeleteRequest(item.task.id!!) },
                     onTaskClick = { viewModel.onTaskClicked(item.task) }
                 )
             }

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

@@ -3,6 +3,7 @@ package com.wismna.geoffroy.donext.presentation.viewmodel
 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.wismna.geoffroy.donext.domain.model.Task
@@ -25,12 +26,16 @@ class RecycleBinViewModel @Inject constructor(
     private val toggleTaskDeletedUseCase: ToggleTaskDeletedUseCase,
     private val permanentlyDeleteTaskUseCase: PermanentlyDeleteTaskUseCase,
     private val emptyRecycleBinUseCase: EmptyRecycleBinUseCase,
-    private val uiEventBus: UiEventBus
+    private val uiEventBus: UiEventBus,
+    private val savedStateHandle: SavedStateHandle
 ) : ViewModel() {
 
     var deletedTasks by mutableStateOf<List<TaskWithListName>>(emptyList())
         private set
 
+    var taskToDelete by mutableStateOf(savedStateHandle.get<Long>("taskToDelete"))
+        private set
+
     init {
         loadDeletedTasks()
     }
@@ -52,7 +57,6 @@ class RecycleBinViewModel @Inject constructor(
     fun restore(taskId: Long) {
         viewModelScope.launch {
             toggleTaskDeletedUseCase(taskId, false)
-            loadDeletedTasks()
 
             uiEventBus.send(
                 UiEvent.ShowUndoSnackbar(
@@ -66,13 +70,26 @@ class RecycleBinViewModel @Inject constructor(
             )
         }
     }
-
-    fun deleteForever(taskId: Long) {
-        viewModelScope.launch {
-            permanentlyDeleteTaskUseCase(taskId)
-            loadDeletedTasks()
-        }
+    fun onTaskDeleteRequest(taskId: Long) {
+        taskToDelete = taskId
+        savedStateHandle["taskToDelete"] = taskId
     }
+
+    fun onConfirmDelete() {
+        taskToDelete?.let {
+            viewModelScope.launch {
+                permanentlyDeleteTaskUseCase(it)
+            }
+        }
+        taskToDelete = null
+        savedStateHandle["taskToDelete"] = null
+    }
+
+    fun onCancelDelete() {
+        taskToDelete = null
+        savedStateHandle["taskToDelete"] = null
+    }
+
     fun emptyRecycleBin() {
         viewModelScope.launch {
             emptyRecycleBinUseCase()