public FinishedToteRewards(AccountWithAmount[] proportionalReward, ToteOption winningOption,
decimal ownerPercent)
{
ProportionalReward = proportionalReward;
OwnerPercent = ownerPercent;
WinningBets = winningOption.Bets;
WinningOptionName = winningOption.Name;
}
private static void AddToteOption(ToteOption option, Models.Tote tote,
StringBuilder sb)
{
var participantsCount = option.Bets.Select(a => a.User).Distinct().Count();
sb.Append(
$"*{option.Name}* ");
if (participantsCount > 0)
{
var sum = option.Bets.Sum(a => a.Amount);
sum = Decimal.Round(sum, 2);
sb.Append(
$"сделано ставок на {sum} {tote.Currency} от {participantsCount} {ParticipantsDecl(participantsCount)}");
}
sb.AppendLine();
}
public FinishedToteRewards CalcRewards(Models.Tote tote, string winningOptionId)
{
var bets = tote.Options.SelectMany(a => a.Bets);
var totalSum = bets.Sum(a => a.Amount);
var ownerPercent = totalSum / 20; //5% more fun than 1%
var winningFund = totalSum - ownerPercent;
ToteOption winningOption = tote.Options.FirstOrDefault(a => a.Id == winningOptionId);
var winningBets = winningOption.Bets;
var winningBetsSum = winningBets.Sum(a => a.Amount);
var ama = winningBets.Select(a => new AccountWithAmount(new Account(a.User, tote.Currency), a.Amount));
var agg = ama.AggregateOperations();
// var proportions = agg.Select(a => new AccountWithAmount(a.Account, a.Amount / winningBetsSum));
AccountWithAmount[] proportionalReward = agg.Select(a =>
new AccountWithAmount(a.Account, ((a.Amount * winningFund) / winningBetsSum).Trim())).ToArray();
ownerPercent = AdjustRemainderToOwner(proportionalReward, winningFund, ownerPercent);
return(new FinishedToteRewards(proportionalReward, winningOption, ownerPercent));
}
