private void RefreshWeatherHistoryButton_Click(object sender, RoutedEventArgs e)
{
try
{
//create table
StringTable table = new StringTable();
table.ColumnNames.Add("Observed On");
table.ColumnNames.Add("Location");
table.ColumnNames.Add("Temperature");
table.ColumnNames.Add("Forecast");
//add rows
var history = WeatherHistoryDAC.FetchAll();
foreach (var entry in history)
{
table.Add(table.Count, new StringRow()
{
{ "Observed On", entry.FetchedOn.ToString() },
{ "Location", entry.Latitude + ", " + entry.Longitude },
{ "Temperature", entry.Temperature == double.MaxValue ? string.Empty : entry.Temperature.ToString() },
{ "Forecast", entry.Forecast.ToString() }
});
}
DataGridHelper.Bind(ref WeatherHistoryGrid, table);
//show summary
WeatherSummaryTextBox.Text = string.Format("{0} Records", history.Count);
}
catch (Exception exception)
{
WeatherSummaryTextBox.Text = "Unable to Load Weather-History: " + exception.Message;
}
}
private void ClearWeatherHistoryButton_Click(object sender, RoutedEventArgs e)
{
var result = MessageBox.Show("Clear Weather History?", Constants.APP_ID, MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.Yes)
{
WeatherHistoryDAC.Clear();
RefreshWeatherHistoryButton_Click(null, null);
}
}
public async static Task ReadWeather()
{
WeatherRead = false;
//ignore if weather is read very recently
if (CurrentWeather != null && DateTime.Now.Subtract(CurrentWeather.FetchedOn).TotalMinutes < Constants.WEATHER_READ_INTERVAL)
{
return;
}
try
{
if (LocationHelper.CurrentPosition == null)
{
await LocationHelper.ReadLocation(false);
}
if (LocationHelper.CurrentPosition != null)
{
WeatherEntry entry = new WeatherEntry();
entry.Latitude = LocationHelper.CurrentPosition.Coordinate.Latitude;
entry.Longitude = LocationHelper.CurrentPosition.Coordinate.Longitude;
WeatherDetails weatherDetails = Wunderground.GetWeather(entry.Latitude, entry.Longitude);
if (weatherDetails != null)
{
entry.Temperature = Math.Round(weatherDetails.CurrentWeather.Temperature_C_Min, 2);
}
entry.Forecast = Wunderground.GetForecast(entry.Latitude, entry.Longitude);
entry.FetchedOn = DateTime.Now;
CurrentWeather = entry;
WeatherHistoryDAC.Insert(CurrentWeather);
WeatherRead = true;
}
}
catch (Exception exception)
{
Log.Error(exception);
}
}
