public List <double> ConvertCurrencies(RequestedCurrencies requestedCurrencies)
{ //Get conversion rate by dividing expected currency value with given currency value
float rate = _ds.GetVal(requestedCurrencies._expectedCurrency) / _ds.GetVal(requestedCurrencies._givenCurrency);
List <double> convertedSums = new List <double>();
foreach (float sum in requestedCurrencies._sums)
{
convertedSums.Add(rate * sum); //The actual conversion
}
return(convertedSums);
}
public List <RequestedCurrencies> ParseFile(string fileName)
{
List <RequestedCurrencies> lrc = new List <RequestedCurrencies>();
RequestedCurrencies rc = new RequestedCurrencies();
if (!File.Exists(fileName))
{
throw new FileNotFoundException(fileName);
}
using (StreamReader sr = File.OpenText(fileName))
{
rc._givenCurrency = sr.ReadLine().Trim().ToUpper(); //First line is given currency
rc._expectedCurrency = sr.ReadLine().Trim().ToUpper(); //Second line is expected currency
while (!sr.EndOfStream) // Remaining lines are sums in given currency that needs to be converted to expected currencies
{
rc._sums.Add(double.Parse(sr.ReadLine().Trim()));
}
}
lrc.Add(rc);
return(lrc);
}
