public void SetWinners(string drawId)
{
var draw = _drawRepository.GetById(drawId);
if (draw == null)
{
throw new ArgumentException($"There is no draw with id: {drawId}");
}
if (draw.IsActive)
{
throw new ArgumentException($"The draw is still active");
}
if (draw.AreWinnersSet)
{
return;
}
var tickets = _ticketRepository.GetByDrawId(drawId);
if (tickets == null || tickets.Count() == 0)
{
return;
}
var winners = new List <Winner>();
foreach (var ticket in tickets)
{
var winningNumbers = GetWinningNumbers(ticket.PickedNumbers, draw.DrawnNumbers);
if (winningNumbers.Count() < 3)
{
continue;
}
var winner = new Winner
{
DrawId = drawId,
TicketId = ticket.Id,
Prize = GetPrizeForWinningNumbersCount(winningNumbers.Count()),
WinningNumbers = winningNumbers
};
winners.Add(winner);
}
_winnerRepository.AddMany(winners);
draw.AreWinnersSet = true;
_drawRepository.Update(draw);
}
