private void Serialize(ExchangeHistory exchangeHistory)
{
using (Model model = new Model())
{
model.ExchangeHistory.Add(exchangeHistory);
model.SaveChanges();
}
}
internal void ExchangeButton_Click(object sender, RoutedEventArgs e)
{
string fromCurrency = ((mainWindow.currencyFrom.Items[0] as ListViewItem).Content as Frame).Name;
string toCurrency = ((mainWindow.currencyTo.Items[0] as ListViewItem).Content as Frame).Name;
if (fromCurrency == toCurrency)
{
mainWindow.erroreLabel.Content = "The currency you want to exchange is the same as the currency you want to receive.";
}
else
{
mainWindow.erroreLabel.Content = "";
try
{
double value = Convert.ToDouble(mainWindow.amountBox.Text);
Task t = Task.Run(new Action(() =>
{
double from = HttpClientHandler.GetExchangeRateAsync(fromCurrency);
double to = HttpClientHandler.GetExchangeRateAsync(toCurrency);
mainWindow.Dispatcher.Invoke(new Action(() =>
{
double result = GetResult(value, from, to);
mainWindow.resaultLabel.Content = result.ToString();
ExchangeHistory e = new ExchangeHistory();
e.Date = DateTime.Now;
e.FromCurrency = fromCurrency;
e.FromAmount = value;
e.ToCurrency = toCurrency;
e.ToAmount = result;
Serialize(e);
}));
}));
}
catch
{
mainWindow.erroreLabel.Content = "You entered an incorrect value!";
}
}
}
