How to put large chunk of code in AlertController block (Swift) - swift

Question

In my collection view cell, I have a button which successfully saves the current user (PFUser) to an array of users of each event (which are the objects at index path).
However, I would like to add an alert view, but have been unsuccessful in putting the enormous chunk of code inside the alert action block. I suppose I could create another method but I feel there's a simpler way to do it.
When I tried putting it in, A. the sheer number of brackets threw me off a bit and B. it didn't recognize "alertController" anymore at the bottom of the method.
Thanks for the help like always.
func buttonTapped(sender: AnyObject) {
let button = sender as! UIButton
let view = button.superview
let cell = view?.superview as! EventCell
let indexPath = collectionView.indexPathForCell(cell)
// print(indexPath)
if let indexPath = indexPath {
if let event = events?[indexPath.row] {
//pops alert vc
var alertController : UIAlertController = UIAlertController(title: event.eventTitle, message: nil, preferredStyle: UIAlertControllerStyle.Alert)
let cancelAction = UIAlertAction(title: "Cancel", style: .Cancel, handler: nil)
alertController.addAction(cancelAction)
let saveUserToEvent = UIAlertAction(title: "Yes", style: .Default) { _ in
// WHAT TO DO HERE? I want to add the stuff below
}
alertController.addAction(saveUserToEvent)
var attendees = [String]()
if let attendeesTmp = event["attendees"] as?[String] {
attendees = attendeesTmp;
}
if let objId = PFUser.currentUser()?.objectId {
var found = false
for objIdd in attendees {
if objIdd == objId {
found = true
break;
}
}
if !found {
attendees.append(objId)
event["attendees"] = attendees;
event.saveInBackground()
}
}
if let user = PFUser.currentUser() {
var eventsAttending = [String]()
if let eventsAttendingTmp = user["eventsToAttend"] as?[String] {
eventsAttending = eventsAttendingTmp;
}
if let eventId = event.objectId {
var found = false
for eventIdd in eventsAttending {
if eventIdd == eventId {
found = true
break;
}
}
if !found {
eventsAttending.append(eventId)
user["eventsToAttend"] = eventsAttending;
user.saveInBackground()
}
}
}
}
}
}

Answer 1

Did you put
alertController.addAction(saveUserToEvent)
In the brackets as well? It stays outside.
This should work
func buttonTapped(sender: AnyObject) {
let button = sender as! UIButton
let view = button.superview
let cell = view?.superview as! UITableViewCell
let indexPath = collectionView.indexPathForCell(cell)
// print(indexPath)
if let indexPath = indexPath {
if let event = events?[indexPath.row] {
//pops alert vc
var alertController : UIAlertController = UIAlertController(title: event.eventTitle, message: nil, preferredStyle: UIAlertControllerStyle.Alert)
let cancelAction = UIAlertAction(title: "Cancel", style: .Cancel, handler: nil)
alertController.addAction(cancelAction)
let saveUserToEvent = UIAlertAction(title: "Yes", style: .Default) { _ in
var attendees = [String]()
if let attendeesTmp = event["attendees"] as?[String] {
attendees = attendeesTmp;
}
if let objId = PFUser.currentUser()?.objectId {
var found = false
for objIdd in attendees {
if objIdd == objId {
found = true
break;
}
}
if !found {
attendees.append(objId)
event["attendees"] = attendees;
event.saveInBackground()
}
}
if let user = PFUser.currentUser() {
var eventsAttending = [String]()
if let eventsAttendingTmp = user["eventsToAttend"] as?[String] {
eventsAttending = eventsAttendingTmp;
}
if let eventId = event.objectId {
var found = false
for eventIdd in eventsAttending {
if eventIdd == eventId {
found = true
break;
}
}
if !found {
eventsAttending.append(eventId)
user["eventsToAttend"] = eventsAttending;
user.saveInBackground()
}
}
}
}
alertController.addAction(saveUserToEvent)
}
}
}