/// <summary>
/// date time from weather service is UTC so we
/// need to adjust for local time zone -
/// this service also provides sunrise and sunset so
/// we're setting those here
/// </summary>
/// <param name="forecast"></param>
/// <param name="lat"></param>
/// <param name="lon"></param>
/// <param name="client"></param>
/// <returns>offset from UTC</returns>
private int GetSunriseSunsetAndUtcOffset(ref ForecastDetails forecast, string lat, string lon, WebClient client)
{
var url = GoeNamesTemplate.Replace("$LAT$", lat).Replace("$LON$", lon);
var result = GetJson(client, url);
forecast.Sunrise = result["sunrise"].Value <DateTime>().ToShortTimeString();
forecast.Sunset = result["sunset"].Value <DateTime>().ToShortTimeString();
return(result["gmtOffset"].Value <int>());
}
private void GetDailyForecasts(ForecastDetails forecast, JObject o, int currentOffset)
{
for (var i = 0; i < 16; i++)
{
forecast.DailyForecasts.Add(
new ForecastDetails.DailyTemps
{
Date = DateTime.Today.AddDays(i).AddHours(currentOffset),
Morn = o["list"][i]["temp"]["morn"].Value <string>(),
Day = o["list"][i]["temp"]["day"].Value <string>(),
Eve = o["list"][i]["temp"]["eve"].Value <string>(),
Night = o["list"][i]["temp"]["night"].Value <string>(),
Min = o["list"][i]["temp"]["min"].Value <string>(),
Max = o["list"][i]["temp"]["max"].Value <string>()
});
}
}
public ForecastDetails GetForecast(string city)
{
using (var client = new WebClient())
{
var url = ForecastApiTemplate.Replace("$CITY$", city);
var result = GetJson(client, url);
var forecast = new ForecastDetails
{
LocationName = result["city"]["name"].Value <string>(),
DailyForecasts = new List <ForecastDetails.DailyTemps>()
};
var lat = result["city"]["coord"]["lat"].Value <string>();
var lon = result["city"]["coord"]["lon"].Value <string>();
var currentOffset = GetSunriseSunsetAndUtcOffset(ref forecast, lat, lon, client);
GetDailyForecasts(forecast, result, currentOffset);
return(forecast);
}
}
