public IPriceRange CalculatePriceRange(IEnumerable <Flight> collection)
{
var listOfOneWayFlights = collection.Where(x => !x.Inbound.HasValue);
var listOfTwoWayFlights = collection.Where(x => x.Inbound.HasValue);
List <decimal> listOfMinimumAndMaximumPrices = new List <decimal>();
if (listOfOneWayFlights.Any())
{
listOfOneWayFlights = _dataSanitizer.SanitizeAndSortCollection(listOfOneWayFlights);
decimal price1 = listOfOneWayFlights.First().Price;
decimal price2 = listOfOneWayFlights.Last().Price;
listOfMinimumAndMaximumPrices.Add(price1);
listOfMinimumAndMaximumPrices.Add(price2);
}
if (listOfTwoWayFlights.Any())
{
listOfTwoWayFlights = _dataSanitizer.SanitizeAndSortCollection(listOfTwoWayFlights);
decimal price3 = listOfTwoWayFlights.First().Price;
decimal price4 = listOfTwoWayFlights.Last().Price;
listOfMinimumAndMaximumPrices.Add(price3);
listOfMinimumAndMaximumPrices.Add(price4);
}
var minPrice = Math.Round(listOfMinimumAndMaximumPrices.Min(), _decimalDelimeter);
var maxPrice = Math.Round(listOfMinimumAndMaximumPrices.Max(), _decimalDelimeter);
var result = new FlightPriceRangeContract {
MinimumPrice = minPrice, MaximumPrice = maxPrice
};
return(result);
}
public void CalculatorReturnsConvertedResult()
{
var input = new FlightPriceRangeContract {
MinimumPrice = 1m, MaximumPrice = 2.1m
};
var dataSanitizer = new FlightDataSanitizer();
var dataCalculator = new FlightDataCalculator(dataSanitizer);
var result = dataCalculator.ConvertPriceRange(input, 1.2345m);
Assert.AreEqual(1.23m, result.MinimumPrice);
Assert.AreEqual(2.59m, result.MaximumPrice);
}