/*
* . Accept a flat file as input
+ 1. Each line will contain the amount owed and the amount paid separated by a comma (for example: 2.13,3.00)
+ 2. Expect that there will be multiple lines
*/
public string ProcessAmounts(TransactionAmounts transactionAmounts)
{
string str;
AbsTranslator translator;
decimal d = new CashRegister().CalculateChange(transactionAmounts);
if (d > 0)
{
if ((d % 3) == 0)
{
translator = new TranslatorFactory().GetTranslator(MoneyConstants.RandomUSD);
str = translator.TranslateAmount(d);
}
else
{
translator = new TranslatorFactory().GetTranslator(MoneyConstants.USD);
str = translator.TranslateAmount(d);
}
}
else if (d == 0)
{
str = "You have paid the exact amount";
}
else
{
translator = new TranslatorFactory().GetTranslator(MoneyConstants.USD);
str = "You still owe "+translator.TranslateAmount(Math.Abs(d));
}
return str;
}
public List<TransactionAmounts> HandleInput(string infile)
{
var list = new List<TransactionAmounts>();
using (var rd = new StreamReader(infile))
{
while (!rd.EndOfStream)
{
var splits = rd.ReadLine().Split(',');
var ta = new TransactionAmounts
{
AmountOwed = decimal.Parse(splits[0]),
AmountPaid = decimal.Parse(splits[1])
};
list.Add(ta);
}
}
return list;
}
/*
2. Output the change the cashier should return to the customer
+ 1. The return string should look like: 1 dollar,2 quarters,1 nickel, etc ...
+ 2. Each new line in the input file should be a new line in the output file
*/
public decimal CalculateChange(TransactionAmounts transAmounts)
{
decimal difference = transAmounts.AmountPaid - transAmounts.AmountOwed;
return difference;
}