protected void Page_Load(object sender, EventArgs e)
{
_currencies = Global.Currencies;
if (!IsPostBack)
{
var keys = _currencies.Keys.ToList();
SourceCurrency.DataSource = keys;
SourceCurrency.DataBind();
DestinationCurrency.DataSource = keys;
DestinationCurrency.DataBind();
SourceCourse.Text = _currencies[SourceCurrency.SelectedValue];
SourceCourse.DataBind();
DestinationCourse.Text = _currencies[DestinationCurrency.SelectedValue];
DestinationCourse.DataBind();
}
}
public override string Check(Dictionary <Currency, decimal> balances, Dictionary <MarketKey, MarketSummary> markets)
{
var summary = markets[SourceCurrency | DestinationCurrency];
var conversionRate = summary.Right == SourceCurrency ? summary.Last : (1 / summary.Last);
balances.TryGetValue(SourceCurrency, out var sourceBalance);
balances.TryGetValue(DestinationCurrency, out var destinationBalance);
var convertedBalance = destinationBalance + conversionRate * sourceBalance;
if (Comparison == Comparison.GreaterThan ? convertedBalance > Threshold : convertedBalance < Threshold)
{
var sc = SourceCurrency.ToString();
var dc = DestinationCurrency.ToString();
var dir = Comparison == Comparison.GreaterThan ? "greater than" : "less than";
return($"If you converted {sc} to {dc}, you would have roughly {convertedBalance:G6} {dc}, which is {dir} your threshold of {Threshold} {dc}.");
}
return(null);
}
