/// <summary>
/// Fetches DarkSky api, Tidal api to gather weather data, and select relevant data
/// assigning it to this object
/// </summary>
/// <param name="lat">Latitude</param>
/// <param name="lon">Longitude</param>
/// <param name="location">Location name for provided coordinates</param>
/// <param name="stationId">Tidal station id</param>
/// <param name="addDays">Fetch data for future days. How many days add to today date</param>
/// <param name="addHours">Fetch data for current hours + addHours</param>
public void Update(double lat, double lon, string location, string stationId, int addDays = 0, int addHours = 0)
{
var client = new DarkSkyService(Constants.DarkSkyKey);
// creating time object which depicts forecast time
var time = DateTimeOffset.Now.AddDays(addDays).AddHours(addHours);
// calling api for weather info
DarkSkyApi.Models.Forecast f = Task.Run(() => client.GetTimeMachineWeatherAsync(lat, lon, time)).Result;
// setting model properties with api result
icon = f.Currently.Icon;
this.location = location;
double _temp = Math.Round(UnitConverters.FahrenheitToCelsius(f.Currently.Temperature), 1);
temperature = _temp.ToString() + "°C";
summary = f.Currently.Summary;
humidity = $"{(int)(f.Currently.Humidity * 100)}%";
windSpeed = string.Format("{0:0.00}m/s", f.Currently.WindSpeed / 2.237); // convert to m/s
windDirection = ((int)(f.Currently.WindBearing)).ToString() + "°";
if (stationId != string.Empty)
{
waterLevel = TidalApi.GetInstance().GetWaterInfo(stationId, addDays, time.Hour);
}
else
{
waterLevel = "0m";
}
// setting forecast time in model, setting minutes and seconds to 0
date = new DateTime(time.Year, time.Month, time.Day, time.Hour, 0, 0);
}
/// <summary>
/// Get single instance of this class
/// </summary>
/// <returns>Singleton instance</returns>
public static TidalApi GetInstance()
{
if (instance == null)
{
instance = new TidalApi();
}
return(instance);
}
