private List <RaceLap> GetLapsByLapNumber(int lapNumber, bool searchDownForPreviousLapsForEveryDriver)
{
List <RaceLap> ret = new List <RaceLap>();
ret = Laps.Get(lapNumber);
if (searchDownForPreviousLapsForEveryDriver)
{
List <Driver> drivers = Laps.GetDrivers().ToList();
foreach (var lap in ret)
{
if (drivers.Contains(lap.Driver))
{
drivers.Remove(lap.Driver);
}
}
int lastDriversCount = drivers.Count;
while (drivers.Count > 0)
{
Driver driver = drivers[0];
for (int i = lapNumber - 1; i > 0; i--)
{
RaceLap lap = Laps.Get(i, driver);
if (lap != null)
{
ret.Add(lap);
drivers.Remove(driver);
break;
}
}
if (lastDriversCount == drivers.Count)
{
throw new Exception("Cannot get last previous lap of driver " + driver.NameSurname + ". Invalid data.");
}
else
{
lastDriversCount = drivers.Count;
}
}
}
return(ret);
}