swift ge array item from indexset
func delete(at offsets: IndexSet) {
// preserve all ids to be deleted to avoid indices confusing
let idsToDelete = offsets.map { self.contacts[$0].id }
// schedule remote delete for selected ids
_ = idsToDelete.compactMap { [weak self] id in
self?.deleteRequest(id){ success in
if success {
DispatchQueue.main.async {
// update on main queue
self?.contacts.removeAll { $0.id == id }
}
}
}
}
}