static async Task Main(string[] args)
{
IWeatherInfoManager manager = WeatherInfoServiceFactory.GetWeatherInfoManager();
BasicWeatherInfo info = await manager.GetWeatherInfoAsync("Kiev");
manager.ShowWeatherInfo(info);
await manager.SaveWeatherInfoAsync(info);
Console.ReadKey();
}
public virtual async Task <BasicWeatherInfo> GetWeatherInfoAsync(string city)
{
List <Task <BasicWeatherInfo> > tasks = new List <Task <BasicWeatherInfo> >();
IEnumerable <IWeatherInfoService> services = WeatherInfoServiceFactory.GetWeatherServices();
services.ForEach(service => tasks.Add(service.GetWeatherInfoAsync(city)));
BasicWeatherInfo result = await tasks.GetFirstSuccessfulTask();
return(result);
}