public BaseFeeCalculator(
ITransactionFee defaultFee,
IReadOnlyDictionary <string, ITransactionFee> customFeesByMerchantName)
{
_defaultFee = defaultFee;
_customFees = customFeesByMerchantName;
}
/// <inheritdoc />
public void Format(ITransactionFee fee, StringBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
builder.Append(InternalFormat(fee));
}
private string InternalFormat(ITransactionFee fee)
{
if (fee == null)
{
throw new ArgumentNullException(nameof(fee));
}
// TODO: optimize performance if needed
return($"{fee.Transaction.Date:yyyy-MM-dd} {fee.Transaction.Merchant.Name.PadRight(10)} {fee.Value:C}");
}
/// <inheritdoc />
public void Write(ITransactionFee fee, ITransactionFeeOutputFormatter formatter)
{
var line = formatter.Format(fee);
if (_assertFile.Peek() >= 0)
{
var assertLine = _assertFile.ReadLine();
Assert.AreEqual(line, assertLine, "Transaction fee formatted lines are different.");
}
else
{
Assert.Fail("Too many transactions written!");
}
}
/// <inheritdoc />
public void Write(ITransactionFee fee, ITransactionFeeOutputFormatter formatter)
{
Assert.AreEqual(_transactionFeeResults[_indexer++], formatter.Format(fee));
}
/// <inheritdoc /> public string Format(ITransactionFee fee) => InternalFormat(fee);
/// <inheritdoc />
public void Write(ITransactionFee fee, ITransactionFeeOutputFormatter formatter)
{
Console.WriteLine(formatter.Format(fee));
}
