Myujth

So I'm trying to retrieve the location of a "paired user" (i.e. not the current user but a contact of the current user) and monitor the distance travelled and distance relative to the currentUser. When using the code below I am only able to retrieve a list with multiple entries of the same location rather than consistently getting only the new location update of the 'paired user'.

func retrieveLocations() {
 let locationDB = Database.database().reference().child("Locations").child("nameOfUser")

locationDB.queryLimited(toLast: 1).observe(.childAdded)
 (snapshot) in

 let snapshotValue = snapshot.value as! Dictionary<String,Any>

 let lats = snapshotValue["Lat"]
 let longs = snapshotValue["Lon"]
 let timeOf = snapshotValue["Time"]
 let sender = snapshotValue["Sender"]


 let otherUsersLocations = CLLocation(latitude: CLLocationDegrees(truncating: lats! as! NSNumber), longitude: CLLocationDegrees(truncating: longs! as! NSNumber), timestamp: timeOf as! Int)
print("Latitude: (otherUsersLocations.coordinate.latitude), Longitude: (otherUsersLocations.coordinate.longitude), Time: (timeOf), Sender: (sender)")

I later call the function in the same func that I use to update the current users location. The code below is used to update the current users location to firebase.Firebase Database screenshot

let locationDictionary = [

 "Sender": Auth.auth().currentUser?.email,
 "Lat": latitude,
 "Lon": longitude,
 "Speed": speed,
 "Time": ServerValue.timestamp()

 ] as [String : Any]


 locationDB.childByAutoId().setValue(locationDictionary) 
 (error, reference) in
 if error != nil 
 print(error!)
 
 else 

 
 


 

 retrieveLocations()

I have tried creating a new "LocationModel" object but had troubles feeding the dictionary of LocationModel type with the retrieved data from firebase.
So my objective is to retrieve an array/dictionary of the location data for the paired user from "now" and subsequently measure the distance to the currentUser.

I've been sitting at this for a while so I really appreciate any suggestions.
Thanks a lot!

Pat