Created a common service for user location

src/app/services/location.service.spec.ts

+import { TestBed } from '@angular/core/testing';
+
+import { LocationService } from './location.service';
+
+describe('LocationService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: LocationService = TestBed.get(LocationService);
+    expect(service).toBeTruthy();
+  });
+});

src/app/services/location.service.ts

+import { Injectable } from '@angular/core';
+import { Geolocation } from '@ionic-native/geolocation/ngx';
+import { Subject } from 'rxjs';
+@Injectable({
+  providedIn: 'root'
+})
+export class LocationService {
+  public preiousUserPosition = { lat: 48.783480, lng: 9.180319 };
+  public currentUserPosition = { lat: 48.783480, lng: 9.180319 };
+
+  liveLocationSubject = new Subject<any>(); //Decalring new RxJs Subject
+
+  constructor(private geolocation: Geolocation) {
+    let watch = this.geolocation.watchPosition({ enableHighAccuracy: true, maximumAge: 10000 });
+    watch.subscribe((position) => {
+      console.log('IN WATCHER')
+      console.log('lat'+ position.coords.latitude);
+      console.log('lng'+ position.coords.longitude);
+      this.currentUserPosition.lat = position.coords.latitude;
+      this.currentUserPosition.lng = position.coords.longitude;
+      this.preiousUserPosition.lat = position.coords.latitude;
+      this.preiousUserPosition.lng = position.coords.longitude;
+      this.getUserLiveLocation(this.currentUserPosition);
+    }, (errorObj) => {
+      console.log('error getting live location, setting to previous location');
+      this.getUserLiveLocation(this.preiousUserPosition);
+    });
+  }
+
+  getUserLocation(): Promise<any> {
+    return new Promise((resolve, reject) => {
+
+      this.geolocation.getCurrentPosition().then((resp) => {
+        let lat = resp.coords.latitude;
+        let lng = resp.coords.longitude;
+        this.currentUserPosition.lat = resp.coords.latitude;
+        this.currentUserPosition.lng = resp.coords.longitude;
+        this.preiousUserPosition.lat = resp.coords.latitude;
+        this.preiousUserPosition.lng = resp.coords.longitude;
+        resolve(this.currentUserPosition);
+      }, er => {
+        console.log('error getting location setting to previous location');
+        resolve(this.preiousUserPosition);
+      }).catch((error) => {
+        console.log('error getting location setting to previous location');
+        resolve(this.preiousUserPosition);
+      });
+    });
+  }
+
+  getUserLiveLocation(location) {
+    this.liveLocationSubject.next(location);
+  }
+}