public static async Task<WeatherData> GetWeatherfromService(string city)
{
string url = "http://api.openweathermap.org/data/2.5/weather?q=" + city + "&appid=cb881b3004e248e78c4a7585bb577eb9";
string response;
string tmp;
WeatherData wd = new WeatherData();
if (string.IsNullOrWhiteSpace(city))
{
return null;
}
using (WebClient client = new WebClient())
{
response = await client.DownloadStringTaskAsync(url);
}
JsonReader reader = new JsonTextReader(new StringReader(response));
JObject rss = JObject.Parse(response);
tmp = (string)rss["main"]["temp"];
double ctmp = Convert.ToDouble(tmp)- 273.15;
wd.temp = String.Format("{0:f1}",ctmp);
wd.weathermain = (string)rss["weather"][0]["main"];
wd.weatherdescription= (string)rss["weather"][0]["description"];
wd.city = (string)rss["name"];
return wd;
}
private async Task<string> GetWeather(string strCity)
{
string strRet = string.Empty;
string strTemp = string.Empty;
WeatherData wd = new WeatherData();
wd = await WeatherService.GetWeatherfromService(strCity);
// return our reply to the user
if (null == wd)
{
strRet = string.Format("City {0} doesn't appear to be valid", strCity.ToUpper());
}
else
{
strRet = string.Format(" {0} now, {1}: {2} and {3} Degree", wd.city, wd.weathermain, wd.weatherdescription, wd.temp);
}
return strRet;
}
