ContentView.swift

struct Login: View {
  @ObservedObject var appleView = AppleViewModel()
  var body: some View {
    VStack {
      if appleView.user != nil {
        //User Logged In
      } else {
        Button(action: {
            self.appleView.getRequest()
        }){
            AppleIdButton()
                .background(Color.primary).clipShape(RoundedRectangle(cornerRadius: 8, style: .continuous)).padding(7)
                .frame(width: UIScreen.main.bounds.width - 100, height: 65)
        }
      }.onAppear( perform: {
          self.appleView.getUserInfo()
      })
    }
}