private void ExecuteDrawing(DrawingLotPot lotPot)
{
// Anzahl der verfügbaren Plätze
// Ausgangslage - aller bereits gezogener Plätze
var nCapacity = lotPot.SeatsAvailable - lotPot.Lots.Count(x => !x.Subscription.OnWaitingList);
// alle gültigen Lose, die noch auf der Warteliste sind
var allLots = lotPot.Lots.Where(x => x.IsValid && x.Subscription.OnWaitingList).GroupBy(x => x.Priority)
.OrderBy(x => x.Key);
foreach (var lotGroup in allLots)
{
var lotList = lotGroup.ToList();
// passt die ganze Liste rein?
if (lotList.Count <= nCapacity)
{
foreach (var lot in lotList)
{
lot.Subscription.OnWaitingList = false;
lot.IsTouched = true;
lot.Message = "Erfolg";
}
nCapacity = nCapacity - lotList.Count;
}
else
{
lotList.Shuffle();
var winner = lotList.Take(nCapacity);
foreach (var lot in winner)
{
lot.Subscription.OnWaitingList = false;
lot.IsTouched = true;
lot.Message = "Erfolg";
}
break;
}
}
}
public void InitLotPots()
{
AddMessage(null, null, "Beginn Initialisierung der Lostöpfe");
AddMessage(null, null, $"Anzahl Lehrveranstaltungen: {Courses.Count}");
var bookingService = new BookingService(db);
// Pro Kurs die Lostöpfe anlegen
foreach (var course in Courses)
{
var bookingLists = bookingService.GetBookingLists(course.Occurrence.Id);
AddMessage(course, null, $"Anzahl Buchungslisten: {bookingLists.Count}");
foreach (var bookingList in bookingLists)
{
var lotPot = new DrawingLotPot();
lotPot.BookingList = bookingList;
lotPot.Course = course;
// Alle Subscriptions durchgehen
// Sichern des Status vor der Verlosung!
foreach (var booking in bookingList.Bookings)
{
var subscription = booking.Subscription;
var game =
Games.FirstOrDefault(x => x.UserId.Equals(subscription.UserId));
if (game == null)
{
var student = db.Students.Where(x => x.UserId.Equals(subscription.UserId))
.OrderByDescending(x => x.Created).FirstOrDefault();
var lotteryGame = db.LotteryGames.Where(x =>
x.Lottery.Id == Lottery.Id &&
x.UserId.Equals(subscription.UserId))
.OrderByDescending(x => x.Created).FirstOrDefault();
// Eintragung wurde außerhalb des Wahlverfahrens gemacht => Standard aufnehmen, damit Studierende an die Wahl dann auch rankommen
if (lotteryGame == null)
{
lotteryGame = new LotteryGame();
lotteryGame.Lottery = Lottery;
lotteryGame.UserId = subscription.UserId;
lotteryGame.AcceptDefault = false;
lotteryGame.CoursesWanted = Lottery.MaxConfirm;
lotteryGame.Created = DateTime.Now;
lotteryGame.LastChange = DateTime.Now; // bisher nicht angegeben
Lottery.Games.Add(lotteryGame);
}
game = new DrawingGame();
game.UserId = subscription.UserId;
game.Student = student;
game.LotteryGame = lotteryGame;
game.Lottery = Lottery;
Games.Add(game);
}
// Trennung von bereits erhaltenen Plätzen und Losen
if (subscription.OnWaitingList == false)
{
var seat = new DrawingSeat();
seat.Course = course;
seat.Subscription = subscription;
game.Seats.Add(seat);
AddMessage(course, subscription, "Vorhandener Platz");
}
else
{
var drawingLot = new DrawingLot();
drawingLot.IsValid = true; // Am Beginn ist das Ticket gültig
drawingLot.IsTouched = false;
drawingLot.Course = course;
drawingLot.Subscription = subscription;
game.Lots.Add(drawingLot);
lotPot.Lots.Add(drawingLot);
AddMessage(course, subscription, "Ein Los für die Verlosung erhalten");
}
}
LotPots.Add(lotPot);
}
}
}
private void ExecuteDrawing(DrawingLotPot lotPot)
{
// Anzahl der verfügbaren Plätze
// Ausgangslage - aller bereits gezogener Plätze
// OHI: 20200204: Hier werden die zugelosten Plätze doppelt berücksichtigt
/*
* var alreadyTaken = lotPot.Lots.Count(x => !x.Subscription.OnWaitingList);
*
* var nCapacity = lotPot.SeatsAvailable - alreadyTaken;
*/
// da ist der aktuelle Stand bereits berücksichtigt
var nCapacity = lotPot.SeatsAvailable;
AddMessage(lotPot.Course, null, "Starte Ziehung für Lostopf");
AddMessage(lotPot.Course, null, $"Freie Plätze im Lostopf {nCapacity}");
// alle gültigen Lose, die noch auf der Warteliste sind
var debugLots = lotPot.Lots.Where(x => x.Subscription.OnWaitingList).GroupBy(x => x.Priority)
.OrderBy(x => x.Key);
foreach (var lotGroup in debugLots)
{
var lotList = lotGroup.ToList();
AddMessage(lotPot.Course, null, $"Lose insgesamt: {lotList.Count} in Prio {lotGroup.Key}");
}
var allLots = lotPot.Lots.Where(x => x.IsValid && x.Subscription.OnWaitingList).GroupBy(x => x.Priority)
.OrderBy(x => x.Key);
foreach (var lotGroup in allLots)
{
var lotList = lotGroup.ToList();
AddMessage(lotPot.Course, null, $"Valide Lose insgesamt: {lotList.Count} in Prio {lotGroup.Key}");
// passt die ganze Liste rein?
if (lotList.Count <= nCapacity)
{
foreach (var lot in lotList)
{
lot.Subscription.OnWaitingList = false;
lot.IsTouched = true;
lot.AddMessage("Platz erhalten, weil noch ausreichend Kapazität vorhanden");
AddMessage(lot.Course, lot.Subscription, "Platz erhalten, weil noch ausreichend Kapazität vorhanden");
}
nCapacity = nCapacity - lotList.Count;
}
else
{
lotList.Shuffle();
var winner = lotList.Take(nCapacity);
foreach (var lot in winner)
{
lot.Subscription.OnWaitingList = false;
lot.IsTouched = true;
lot.AddMessage("Platz durch Los erhalten");
AddMessage(lot.Course, lot.Subscription, "Platz durch Los erhalten");
}
break;
}
}
}