private async Task <decimal> GetTotalFeeForDay(List <DateTime> passageDates)
{
passageDates.Sort((a, b) => a.CompareTo(b));
var leewayInterval = await _tollFeeRepository.GetPassageLeewayInterval();
var intervalStart = passageDates.First();
var intervalHighestFee = await _tollFeeRepository.GetPassageFeeByTimeAsync(intervalStart);
decimal totalFee = 0;
foreach (var passageDate in passageDates)
{
var passageFee = await _tollFeeRepository.GetPassageFeeByTimeAsync(passageDate);
var diff = passageDate - intervalStart;
if (diff <= leewayInterval)
{
if (totalFee > 0)
{
totalFee -= intervalHighestFee;
}
if (passageFee >= intervalHighestFee)
{
intervalHighestFee = passageFee;
}
totalFee += intervalHighestFee;
}
else
{
totalFee += passageFee;
intervalStart = passageDate;
intervalHighestFee = passageFee;
}
}
var maximumDailyFee = await _tollFeeRepository.GetMaximumDailyFeeAsync();
if (totalFee > maximumDailyFee)
{
totalFee = maximumDailyFee;
}
return(totalFee);
}
public void ForGetTotalFee_When2PassagesMoreThanAnHourApart_ReturnFeeForBothPassages()
{
var vehicleType = Vehicle.Car;
var passageFee = MAXIMUM_DAILY_FEE / 8;
var passage1 = new DateTime(1, 1, 1, 12, 50, 0);
var passage2 = new DateTime(1, 1, 1, 14, 50, 0);
var passageDates = new List <DateTime>
{
passage1,
passage2
};
_tollFeeRepository.GetPassageFeeByTimeAsync(Arg.Is(passage1)).Returns(passageFee);
_tollFeeRepository.GetPassageFeeByTimeAsync(Arg.Is(passage2)).Returns(passageFee);
_tollFeeRepository.IsTollFreeDateAsync(Arg.Any <DateTime>()).Returns(false);
var response = SUT.GetTotalFee(vehicleType, passageDates);
Assert.Equal(passageFee * 2, response);
}