public Money SubFunds(Money fundsToSub)
{
var exchange = ExchangePoint.Instance;
Money normalizedMoney = exchange.CurrentValueFor(fundsToSub, this.Currency);
double newAmount = this.Amount - normalizedMoney.Amount;
return new Money(this.Currency, newAmount);
}
public static bool EditCurrencyInAccount(Account account, Currency newCurrency)
{
BankContext bank = new BankContext();
var accountInDb = bank.Accounts.SingleOrDefault(a => a.Id == account.Id);
if (accountInDb != null)
{
Money money = new Money(accountInDb.Currency,accountInDb.Amount);
money.Exchange(newCurrency);
accountInDb.Currency = newCurrency;
accountInDb.Amount = money.Amount;
bank.SaveChanges();
return true;
}
return false;
}
public Money CurrentValueFor(Money money, Currency currency)
{
double exchange = ExchangeRate(money.Currency, currency);
return new Money(currency, (double)money.Amount * exchange);
}