Login details remains after user logout swift using Token authentication - swift

Question

I have an application that uses rest framework to provide API. I have the application all setup but I have a challenge in that when a user login the user's details is gotten. login is achieved via token authentication and this is stored in UserDefaults when the logout button is clicked the user details is removed from the device and login in with another user is supposed to be displayed on login i.e the logged in user,s email and username but instead it shows the initial logged in user,s details and no matter how much I try it it never displays the current logged in users details but instead it displays the initial users details.
My login code is
let defaults = UserDefaults.standard
var isLoggedIn : Bool {
get {
return defaults.bool(forKey: LOGGED_IN_KEY)
}
set {
defaults.set(newValue, forKey: LOGGED_IN_KEY)
}
}
var authToken: String {
get {
return defaults.value(forKey: TOKEN_KEY) as? String ?? ""
}
set {
defaults.set(newValue, forKey: TOKEN_KEY)
}
}
var userUsername: String {
get {
return defaults.value(forKey: USER_USERNAME) as? String ?? ""
}
set {
defaults.set(newValue, forKey: USER_USERNAME)
}
}
//MARK :- LOGGIN
func findUserByUserName(completion: #escaping CompletionHandler) -> Void {
Alamofire.request(URL_USER_BY_USERNAME, method: .get, parameters: nil, encoding: JSONEncoding.default, headers: TOKEN_HEADER).validate().responseJSON { (response) in
print("URL USER BY HEADER \(self.authToken)")
if response.result.error == nil {
guard let data = response.data else {return}
let jsonString = String(data: data, encoding: .utf8)
print(jsonString as Any)
self.setUserInfo(data: data)
completion(true)
}
else {
completion(false)
debugPrint("ERROR 22222\(response.result.error as Any)")
}
}
}
func setUserInfo(data: Data) -> Void {
do {
let json = try JSON(data: data)
let pk = json["pk"].intValue
let username = json["username"].stringValue
let email = json["email"].stringValue
let firstName = json["first_name"].stringValue
let lastName = json["last_nameme"].stringValue
print("THE USERNAME IZZZZ \(username)")
UserDataService.instance.setUserData(pk: pk, username: username, email: email, firstName: firstName, lastName: lastName)
} catch {
print(error)
}
}
UserDetails
class UserDataService {
static let instance = UserDataService()
public private(set) var pk = 0
public private(set) var username = ""
public private(set) var email = ""
public private(set) var firstName = ""
public private(set) var lastName = ""
func setUserData(pk: Int, username: String, email: String, firstName: String, lastName: String) -> Void {
self.pk = pk
self.username = username
self.email = email
self.firstName = firstName
self.lastName = lastName
}
func logoutUser() -> Void {
self.pk = 0
self.username = ""
self.email = ""
self.firstName = ""
self.lastName = ""
AuthService.instance.isLoggedIn = false
AuthService.instance.authToken = ""
AuthService.instance.userUsername = ""
}}
For my logout I have
#IBAction func logoutPressed(_ sender: Any) {
UserDataService.instance.logoutUser()
NotificationCenter.default.post(name: NOTIFY_USER_DATA_DID_CHANGE, object: nil)
dismiss(animated: true, completion: nil)
}
Part of login
func setupUserInfo() {
if AuthService.instance.isLoggedIn {
loginBtn.setTitle(UserDataService.instance.username, for: .normal)
} else {
loginBtn.setTitle("Login", for: .normal)
userImg.image = UIImage(named: "menuProfileIcon")
userImg.backgroundColor = UIColor.clear
tableView.reloadData()
}
}
Thanks in advance and further codes would be supplied on request