public async Task <int> GenerateDraw(DrawConfiguration drawConfiguration)
{
IEnumerable <Ballot> ballots = await _lottery.GenerateBallotsAsync(drawConfiguration.NumberOfBallots);
var draw = new Draw
{
SellUntilDate = drawConfiguration.SellUntilDate,
Ballots = ballots
};
draw.AddPrice(PriceType.Main, drawConfiguration.MainPriceAmount);
draw.AddPrice(PriceType.FinalDigit, drawConfiguration.FinalNumberPriceAmount);
int drawNumber = _drawRepository.Insert(draw);
return(drawNumber);
}