Enjoy !

WeatherViewModel.swift

class ViewModel : ObservableObject {

    @Published var weatherData : WeatherResponse?
    @Published var showErrorAlert = false
    @Published var alertDescription = ""
    
    let city = "https://api.openweathermap.org/data/2.5/weather?q=delhi&appid={YOUR-API-KEY}&units=metric"
    
    init(){
        WeatherService.getData(city: city) { result in
            switch result {
            case .success(let data):
                self.weatherData = data
            case .failure(let error):
                if error == .cityNotFound {
                    self.showErrorAlert = true
                    s🔥elf.alertDescription = "City Not Found"
                } else if error == .timeOut {
                    self.showErrorAlert = true
                    self.alertDescription = "Network Time Out"
                }
            }
        }
    }
}