public static void Main()
{
CurrencyConversion calculator = new CurrencyConversion();
Dictionary <string, decimal> exchangeRates = calculator.getExchangeRates();
Console.WriteLine("What is the currency you are exchanging from? (? -> USD). Enter 'list' to display list of currencies.");
string currencyEntry = Console.ReadLine();
while (!exchangeRates.ContainsKey(currencyEntry))
{
if (currencyEntry == "list")
{
Console.WriteLine("Available currencies: ");
foreach (KeyValuePair <string, decimal> item in exchangeRates)
{
Console.Write(item.Key + " ");
}
}
else
{
Console.WriteLine("Please enter a valid currency.");
}
Console.WriteLine("What is the currency you are exchanging from? (? -> USD). Enter 'list' to display list of currencies.");
currencyEntry = Console.ReadLine();
}
Console.WriteLine("How much " + currencyEntry + " are you exchanging?");
string moneyEntry = Console.ReadLine();
decimal money;
while (!decimal.TryParse(moneyEntry, out money) || money <= 0 || (Decimal.Round(money, 2) != money))
{
Console.WriteLine("Must be a valid amount of money greater than 0. Enter amount to exchange: ");
moneyEntry = Console.ReadLine();
}
decimal rate = exchangeRates[currencyEntry];
decimal exchangedMoney = calculator.exchange(money, rate);
Console.WriteLine(money + " " + currencyEntry + " at an exchange rate of " + rate + " is " + exchangedMoney + " USD.");
}
