func markSelectedAsCompleted() tasks.filter selection.contains($0.id ?? UUID()) .forEach $0.isCompleted = true PersistenceController.shared.save()
func addTask(title: String, dueDate: Date? = nil) let task = TaskItem(context: container.viewContext) task.id = UUID() task.title = title task.isCompleted = false task.creationDate = Date() task.dueDate = dueDate save()
final class TaskListViewModel: ObservableObject @Published var tasks: [TaskItem] = [] @Published var showAddTaskSheet = false @Published var selection = Set<UUID>() // For multi‑selection swift to-do list 11 crack
func delete(at offsets: IndexSet) offsets.map tasks[$0] .forEach PersistenceController.shared.delete($0)
func toggleCompletion(_ task: TaskItem) task.isCompleted.toggle() save() func markSelectedAsCompleted() tasks
func deleteSelected() let toDelete = tasks.filter selection.contains($0.id ?? UUID()) toDelete.forEach PersistenceController.shared.delete($0) selection.removeAll()
init(context: NSManagedObjectContext = PersistenceController.shared.container.viewContext) self.context = context fetchTasks() // Observe Core Data changes automatically (optional) NotificationCenter.default.publisher(for: .NSManagedObjectContextObjectsDidChange, object: context) .sink [weak self] _ in self?.fetchTasks() .store(in: &cancellables) UUID()) toDelete
private func save() do try container.viewContext.save() catch // In production you’d present an alert / log let nsError = error as NSError fatalError("Core Data save error: \(nsError), \(nsError.userInfo)")
var onSave: (String, Date?) -> Void