Class to get the current device location using Core Location

DeviceLocation.swift

//
//  DeviceLocation.swift
//
//  Created by dede.exe on 28/10/17.
//  Copyright © 2017 dede.exe. All rights reserved.
//

import Foundation
import CoreLocation

public class DeviceLocation : NSObject {
    
    private(set) public var locationManager = CLLocationManager()
    
    private(set) var updateLocationsEvent : (([CLLocation]) -> ())? = nil
    private(set) var startEvent : (() -> ())? = nil
    private(set) var stopEvent : (() -> ())? = nil
    private(set) var errorEvent : ((Error) -> ())? = nil
    
    private var isActive : Bool = false
    
    public override init() {
        super.init()
    }
    
    public func startLocation() {
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
        
        if CLLocationManager.locationServicesEnabled() {
            locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters
            locationManager.requestLocation()
            locationManager.startUpdatingLocation()
            isActive = true
            startEvent?()
        }
    }
    
    public func stopLocation() {
        locationManager.stopUpdatingLocation()
        if isActive {
            stopEvent?()
        }
    }
    
    public func onUpdateLocations(event: (([CLLocation]) -> ())? = nil) {
        updateLocationsEvent = event
    }
    
    public func onStart(event: (() -> ())? = nil) {
        startEvent = event
    }
    
    public func onStop(event: (() -> ())? = nil) {
        stopEvent = event
    }
    
    public func onError(event: ((Error) -> ())? = nil) {
        errorEvent = event
    }
}

extension DeviceLocation : CLLocationManagerDelegate {
    public func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        self.updateLocationsEvent?(locations)
    }
    
    public func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
        self.errorEvent?(error)
    }
}