private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
label16.Text = "Status: defining weather data for a selected city...";
label16.ForeColor = Color.Gray;
string city = Convert.ToString(comboBox1.SelectedItem);
Task.Run(() =>
{
OpenWeather.OpenWeather openWeather = weather.GetOpenWeatherByCity(city);
if (openWeather != null)
{
coordinate = new GeoCoordinate(openWeather.Coord.Lat, openWeather.Coord.Lon);
openWeatherOneAPI = weather.GetWeather(coordinate);
if (InvokeRequired)
{
Invoke(new Action(() => SetParameters()));
}
else
{
SetParameters();
}
}
else
{
label16.Text = "Status: city geodata not defined.";
label16.ForeColor = Color.Red;
}
});
}
public OpenWeatherOneCallAPI.OpenWeatherOneCallAPI GetWeather(GeoCoordinate coordinate)
{
string appid = "e67f327620e3cc056d936f8d1fbf20fd";
string url;
if (coordinate != null)
{
url = $"https://api.openweathermap.org/data/2.5/onecall?units=metric&lat={coordinate.Latitude}&lon={coordinate.Longitude}&appid={appid}";
}
else
{
throw new Exception();
}
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (StreamReader streamReader = new StreamReader(response.GetResponseStream()))
{
string line;
if ((line = streamReader.ReadToEnd()) != null)
{
OpenWeatherOneCallAPI.OpenWeatherOneCallAPI weather =
JsonConvert.DeserializeObject <OpenWeatherOneCallAPI.OpenWeatherOneCallAPI>(line);
return(weather);
}
}
}
catch
{
MessageBox.Show("Failed to connect to the service. Check your internet connection. You may need a VPN.");
}
return(null);
}
private void GeoDetect()
{
if (coordinate == null)
{
label16.Text = "Status: device geodata definition...";
label16.ForeColor = Color.Gray;
}
int seconds = 10;
int step = progressBar1.Maximum / seconds;
for (int i = 0; i < seconds; i++)
{
if (geoDetected == false)
{
if (watcher.Status == GeoPositionStatus.Ready && !watcher.Position.Location.IsUnknown)
{
coordinate = watcher.Position.Location;
openWeatherOneAPI = weather.GetWeather(coordinate);
if (InvokeRequired)
{
Invoke(new Action(() => SetParameters()));
}
else
{
SetParameters();
}
geoDetected = true;
break;
}
}
if (InvokeRequired)
{
Invoke(new Action(() => ProgressBar_Change(i * step)));
}
else
{
ProgressBar_Change(i * step);
}
Thread.Sleep(1000);
}
if (geoDetected == false)
{
MessageBox.Show("Failed to determine your device’s location.\n" +
"Please select a city yourself.");
if (label16.InvokeRequired)
{
label16.Invoke(new Action(() =>
{
label16.Text = "Status: device geodata not defined.";
label16.ForeColor = Color.Red;
}));
}
else
{
label16.Text = "Status: device geodata not defined.";
label16.ForeColor = Color.Red;
}
}
if (comboBox1.InvokeRequired)
{
comboBox1.Invoke(new Action(() => comboBox1.Enabled = true));
}
else
{
comboBox1.Enabled = true;
}
if (progressBar1.InvokeRequired)
{
progressBar1.Invoke(new Action(() => progressBar1.Value = 0));
}
else
{
progressBar1.Value = 0;
}
}
