gistfile1.txt

//
//  MapViewController.swift
//  HackathonGlobo
//
//  Created by Txai Wieser on 28/04/18.
//  Copyright © 2018 Txai Wieser. All rights reserved.
//

import Foundation
import UIKit
import MapKit
import CoreLocation

class MapViewController: UIViewController {
    @IBOutlet weak var mapView: MKMapView!
    
    var manager: CLLocationManager!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
//        EventManager.getEvents { (events) in
            for event in EventManager.shared.events {
                let coordinate = CLLocationCoordinate2D(latitude: event.latitude, longitude: event.longitude)
                let annotation = PinAnnotation(coordinate: coordinate, title: event.name, subtitle: event.description)
                self.mapView.addAnnotation(annotation)
            }
//        }
        
        
        
        manager = CLLocationManager()
        manager.delegate = self
        manager.startUpdatingLocation()
        manager.desiredAccuracy = kCLLocationAccuracyBest
        manager.requestAlwaysAuthorization()
        
        if CLLocationManager.locationServicesEnabled() {
            manager.startUpdatingLocation()
        }
        //        mapv
        //        let coordinates: [CLLocation] = [CLLocation(latitude: 0.03, longitude: 0.03),
        //                                         CLLocation(latitude: 2.03, longitude: 0.53),
        //                                         CLLocation(latitude: 1.03, longitude: 0.3)]
        //        mapView.addAnnotations(coordinates.map { return Event(coordinate: $0.coordinate) })
    }
}

extension MapViewController: CLLocationManagerDelegate {
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        let location = locations.last
        
        let center = CLLocationCoordinate2D(latitude: location!.coordinate.latitude, longitude: location!.coordinate.longitude)
        let region = MKCoordinateRegion(center: center, span: MKCoordinateSpan(latitudeDelta: 0.001, longitudeDelta: 0.001))
        
        self.mapView.setRegion(region, animated: true)
    }
}

extension MapViewController: MKMapViewDelegate {
    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
        // Don't want to show a custom image if the annotation is the user's location.
        guard !(annotation is MKUserLocation) else {
            return nil
        }
        
        // Better to make this class property
        let annotationIdentifier = "AnnotationIdentifier"
        
        var annotationView: MKAnnotationView?
        if let dequeuedAnnotationView = mapView.dequeueReusableAnnotationView(withIdentifier: annotationIdentifier) {
            annotationView = dequeuedAnnotationView
            annotationView?.annotation = annotation
        }
        else {
            annotationView = MKAnnotationView(annotation: annotation, reuseIdentifier: annotationIdentifier)
            annotationView?.rightCalloutAccessoryView = UIButton(type: .detailDisclosure)
        }
        
        if let annotationView = annotationView {
            // Configure your annotation view here
            annotationView.canShowCallout = true
            annotationView.image = #imageLiteral(resourceName: "AnnotationStar")
        }
        
        return annotationView
    }
}

class PinAnnotation: NSObject, MKAnnotation {
    var coordinate: CLLocationCoordinate2D
    var title: String?
    var subtitle: String?
    
    init(coordinate: CLLocationCoordinate2D, title: String, subtitle: String) {
        self.coordinate = coordinate
        self.title = title
        self.subtitle = subtitle
    }
}