private void btnStart_Click(object sender, EventArgs e)
{
var textL = cbbLeft.Text.Trim().ToUpper();
var textR = cbbRight.Text.Trim().ToUpper();
var currencyFrom = _fromLeftToRight ? textL : textR;
var currencyTo = _fromLeftToRight ? textR : textL;
if (!cbbLeft.Items.Contains(currencyFrom))
{
MessageBox.Show(this, $"Source currency [{currencyFrom}] is not in the list!", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (!cbbRight.Items.Contains(currencyTo))
{
MessageBox.Show(this, $"Target currency [{currencyTo}] is not in the list!", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (currencyFrom == currencyTo)
{
MessageBox.Show(this, "Source and target currency can't be same!", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
_exchangeRateRetriever = Factory.NewExchangeRateRetriever(currencyFrom, currencyTo);
_exchangeRateRetriever.StatusChanged += _exchangeRateRetriever_StatusChanged;
_exchangeRateRetriever.ExchangeRateChanged += _exchangeRateRetriever_ExchangeRateChanged;
_exchangeRateRetriever.Start();
}
public StooqExchangeProcessor(IExchangeRateArchiveManager archiveManager,
IExchangeRateDownloader exchangeDownloader,
IExchangeRateRetriever exchangeRateRetriever,
ILogger logger)
{
_exchangeRateRetriever = exchangeRateRetriever;
_exchangeDownloader = exchangeDownloader;
_archiveManager = archiveManager;
_logger = logger;
_exchangeRateNames = new List <string>()
{
"wig", "wig20", "fw20", "mwig40", "swig80"
};
_exchangeRates = new List <ExchangeRate>();
foreach (var name in _exchangeRateNames) //initialization of ExchangeRate objects
{
_exchangeRates.Add(new ExchangeRate {
Name = name
});
}
}
public SimpleExchangeRateCalculator(IExchangeRateRetriever exchangeRateRetriever)
{
_exchangeRateRetriever = exchangeRateRetriever;
}