Trying to run a PFQuery that will lead to only one result being returned however the parameters that I am envoking are not specific enough - ios

Question

I am trying to run a PFQuery in order to find specific results for an address stored in the server. However, when I try for a specific address I am always returned 0. The fields that this class possesses are objectId, startTime and title. I am unsure if this is the best way to pose the question but is there a type of general format that would allow me to query for the latest address stored and return that as a string in the code? Here is what I have written thus far in my load screen view controller, which is designed to place a user based on her/his location.
import UIKit
import CoreLocation
import Parse
class LoadViewController: UIViewController, CLLocationManagerDelegate {
var locationManager = CLLocationManager()
var lastUserLocation = "nil"
var address = ""
var startTime = ""
func findEventProximity(eventObjectId: String){
var eventObjectIdQuery = PFQuery(className: "Events")
eventObjectIdQuery.orderByDescending("createdAt")
eventObjectIdQuery.whereKey("objectId", equalTo: eventObjectId)
eventObjectIdQuery.findObjectsInBackgroundWithBlock({ (objects: [PFObject]?, error: NSError?) -> Void in
if error == nil {
print(objects!.count)
if let objects = objects as [PFObject]? {
for object in objects {
object["objectId"] = selectedEventObjectId
/* need to decide wether to store Time in createNewEvent as NSDate or just string
if object["date"] != nil {
self.eventDateLabel.text = object["date"] as! NSDate
}
*/
print("\(object["address"] as! String)")
}
} else {
print(error)
}
}
})
}
override func viewDidLoad() {
super.viewDidLoad()
locationManager.delegate = self
locationManager.desiredAccuracy = kCLLocationAccuracyKilometer
locationManager.requestWhenInUseAuthorization()
locationManager.startUpdatingLocation()
findEventProximity(selectedEventObjectId)
// Do any additional setup after loading the view.
}
/*MARK: LOCATION*/
/*MARK: LOCATION*/
func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
self.locationManager.stopUpdatingLocation()
let userLocation: CLLocation = locations[0]
let userLocationLat = locations[0].coordinate.latitude
let userLocationLong = locations[0].coordinate.longitude
var location = CLLocation(latitude: userLocationLat, longitude: userLocationLong)
print("\(userLocationLat), \(userLocationLong)")
let locationsToCheck: [CLLocation] = [
CLLocation(latitude: lat, long),
CLLocation(latitude: lat, long),
CLLocation(latitude: lat, long),
CLLocation(latitude: lat, long)
]
let locationTags: [String] = [
"P1",
"P2",
"P3",
"P4"
]
var closestInMeters: Double = 50000.0
var closestIndex: Int = -1
for (locationIndex, potentialLocation) in locationsToCheck.enumerate() {
let proximityToLocationInMeters: Double = userLocation.distanceFromLocation(potentialLocation)
if proximityToLocationInMeters < closestInMeters {
closestInMeters = proximityToLocationInMeters
closestIndex = locationIndex
}
}
if (closestIndex == -1) {
self.lastUserLocation = "Other"
// SCLAlertView().showError("No Filter Range", subTitle: "Sorry! We haven’t got a Filter Range for you yet, email us and we’ll get right on it.").setDismissBlock({ () -> Void in
// selectedLocation = self.locationObjectIdArray[0]
// self.performSegueWithIdentifier("eventTableSegue", sender: self)
// })
// self.activityIndicator.stopAnimating()
// UIApplication.sharedApplication().endIgnoringInteractionEvents()
} else if locationTags[closestIndex] != self.lastUserLocation {
self.lastUserLocation = locationTags[closestIndex]
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
}