public async Task <IActionResult> Stats(int id)
{
// Prepares table items for ViewModel
var stats = new DriverStatsModel();
var driver = await _drivers.GetDriverById(id, true);
var seasons = await _seasons.GetSeasons(true, true);
// [TODO]: Statement underneath should be converted to a service call to driverresultservice
var results = await Context.DriverResults
.AsNoTracking()
.Where(dr => dr.SeasonDriver.DriverId == id && dr.SeasonDriver.Season.Championship.ActiveChampionship)
.Include(dr => dr.SeasonDriver)
.ToListAsync();
// Fills the viewmodel class with the required data
_drivers.PrepareDriverStatsModel(stats, driver, seasons, results);
// Gets all the teams that this driver has driven for
stats.Teams = await _drivers.GetDistinctTeamsHistoryByDriver(id);
// Calculates the amount of WDCs a driver might have
var driverChampions = _drivers.GetDriverChampionsIds(seasons);
stats.WDCCount = driverChampions.Count(s => s == id);
return(View(stats));
}
public void PrepareDriverStatsModel(DriverStatsModel stats, Driver driver, List <Season> seasons, List <DriverResult> results)
{
// [TODO]: How to handle possible empty parameters instead of just throwing an exception
if (stats is null || driver is null || seasons is null || results is null)
{
throw new NullReferenceException();
}
// Basic information about the driver
stats.DriverId = driver.Id;
stats.DriverName = driver.Name;
stats.DriverNumber = driver.DriverNumber;
stats.DriverCountry = driver.Country;
stats.DriverBio = driver.Biography;
stats.StartCount = results.Count;
for (int i = 1; i <= 20; i++)
{
int positionCount = results.Count(res => res.Position == i && res.Status == Status.Finished);
stats.PositionList.Add(i);
stats.ResultList.Add(positionCount);
}
stats.WinCount = results.Count(r => r.Position == 1);
stats.SecondCount = results.Count(r => r.Position == 2);
stats.ThirdCount = results.Count(r => r.Position == 3);
stats.AveragePos = Math.Round(results.Where(res => res.Status == Status.Finished).Average(res => res.Position), 2);
stats.PoleCount = results.Count(r => r.Grid == 1);
stats.DNFCount = results.Count(r => r.Status == Status.DNF);
stats.DSQCount = results.Count(r => r.Status == Status.DSQ);
// Calculate point finishes
int pointCount = 0;
foreach (var season in seasons)
{
var current = results.Where(r => r.SeasonDriver.SeasonId == season.SeasonId);
var pointsMax = season.PointsPerPosition.Keys.Max();
pointCount += (current.Count(dr => dr.Position > 3 && dr.Position <= pointsMax));
}
// Count of the sort of non-finishes a driver had
stats.AccidentCount = results.Count(r => r.DNFCause == DNFCause.Accident || r.DNFCause == DNFCause.Puncture);
stats.ContactCount = results.Count(r => r.DNFCause == DNFCause.Damage || r.DNFCause == DNFCause.Collision);
stats.EngineCount = results.Count(r => r.DNFCause == DNFCause.Engine);
stats.MechanicalCount = results.Count(r => r.DNFCause == DNFCause.Brakes || r.DNFCause == DNFCause.Clutch || r.DNFCause == DNFCause.Electrics ||
r.DNFCause == DNFCause.Exhaust || r.DNFCause == DNFCause.Hydraulics || r.DNFCause == DNFCause.Wheel);
}
