/// <summary>
/// Converts a cash amount to the account currency
/// </summary>
/// <param name="cashAmount">The <see cref="CashAmount"/> instance to convert</param>
/// <returns>A new <see cref="CashAmount"/> instance denominated in the account currency</returns>
public CashAmount ConvertToAccountCurrency(CashAmount cashAmount)
{
throw new InvalidOperationException($"This method purposefully throws as a proof that a " +
$"test does not depend on {nameof(ICurrencyConverter)}.If this exception is encountered, " +
$"it means the test DOES depend on {nameof(ICurrencyConverter)} and should be properly " +
$"updated to use a real implementation of {nameof(ICurrencyConverter)}.");
}
/// <summary>
/// Converts a cash amount to the account currency.
/// This implementation can only handle cash amounts in units of the account currency.
/// </summary>
/// <param name="cashAmount">The <see cref="CashAmount"/> instance to convert</param>
/// <returns>A new <see cref="CashAmount"/> instance denominated in the account currency</returns>
public CashAmount ConvertToAccountCurrency(CashAmount cashAmount)
{
if (!string.Equals(cashAmount.Currency, _accountCurrency, StringComparison.InvariantCultureIgnoreCase))
{
throw new ArgumentException($"The {nameof(IdentityCurrencyConverter)} can only handle CashAmounts in units of the account currency");
}
return(cashAmount);
}
/// <summary>
/// Converts a cash amount to the account currency
/// </summary>
/// <param name="cashAmount">The <see cref="CashAmount"/> instance to convert</param>
/// <returns>A new <see cref="CashAmount"/> instance denominated in the account currency</returns>
public CashAmount ConvertToAccountCurrency(CashAmount cashAmount)
{
if (cashAmount.Currency == AccountCurrency)
{
return(cashAmount);
}
var amount = Convert(cashAmount.Amount, cashAmount.Currency, AccountCurrency);
return(new CashAmount(amount, AccountCurrency));
}