replace notification center with delegate for better readability

Author: iAKM

GoInfoGame/GoInfoGame/LocationManagerDelegate.swift

@@ -10,8 +10,9 @@ import MapKit
 
 class LocationManagerDelegate: NSObject, ObservableObject, CLLocationManagerDelegate {
 
-     var locationManager = CLLocationManager()
+    var locationManager = CLLocationManager()
     @Published var location: CLLocation?
+    var locationUpdateHandler: ((CLLocation) -> Void)?
 
     override init() {
         super.init()
@@ -56,7 +57,7 @@ class LocationManagerDelegate: NSObject, ObservableObject, CLLocationManagerDele
     func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
         guard let mostRecentLocation = locations.last else { return }
         location = mostRecentLocation
-        NotificationCenter.default.post(name: Notification.Name("userLocationDidChange"), object: nil)
+        locationUpdateHandler?(mostRecentLocation)
         stopUpdatingLocation()
     }
 }

GoInfoGame/GoInfoGame/UI/Map/MapViewModel.swift

@@ -28,7 +28,10 @@ class MapViewModel: ObservableObject {
         locationManagerDelegate.locationManager.requestWhenInUseAuthorization()
         locationManagerDelegate.locationManager.startUpdatingLocation()
 
-        NotificationCenter.default.addObserver(self, selector: #selector(locationDidChange), name: Notification.Name("userLocationDidChange"), object: nil)
+        locationManagerDelegate.locationUpdateHandler = { [weak self] location in
+            guard let self = self else { return }
+            fetchOSMDataFor(currentLocation: location)
+        }
 
     }