//Firebase RealtimeDB Class
_ users | |_ a_uid | |_ email: "some email" | |_ groups |	|_ group_1: true |	|_ group_2: true | |_ location | |_ coords: "[52.5, 67.1]" | |_ name: "Oyebanjo Solarin Street, Lagos" | |_ visibility: true | |_ username: "some username"
//1st
struct LocationStruct { var coords: String? var name: String? var visibility: Bool? }
//2nd
class UserClass { var email = "" var username = "" var groupsDict: [String: Any] var loc = LocationStruct() init(snap: FIRDataSnapshot) { let userDict = snap.value as! [String: Any] self.email = userDict["email"] as! String self.username = userDict["username"] as! String self.groupsDict = userDict["groups"] as! [String: Any] let locationDict = userDict["location"] as! [String: Any] self.loc.coords = locationDict["coords"] as? String self.loc.name = locationDict["name"] as? String self.loc.visibility = locationDict["visibility"] as? Bool }
}
//3rd
ref.child("users").child("a_uid") .observeSingleEvent(of: .value, with: { snapshot in let user = UserClass(snap: snapshot) //this code is just to show the UserClass was populated. print(user.email) print(user.username) for group in user.groupsDict { //iterate over groups print(group) //and print each one } print(user.loc.coords!) //print the location data print(user.loc.name!) print(user.loc.visibility!) })