public RakeResult GetItemsThatWeShouldTake
(
decimal rake,
List <DatabaseModel.Bet> bets,
List <DatabaseModel.ItemBetted> bettedITems,
DatabaseModel.User winner
)
{
var result = new RakeResult
{
ItemIdsToWinner = new List <AssetAndDescriptionId>(),
ItemIdsToUs = new List <AssetAndDescriptionId>()
};
var winningBet = bets.Single(bet => bet.UserId == winner.Id);
var allItemsExceptWinners = bettedITems
.Where(iBet => iBet.BetId != winningBet.Id)
.OrderByDescending(iBet => iBet.Value)
.ToList();
var totalSum = bettedITems.Sum(i => i.Value);
var maxValueWeCanTake = totalSum * (rake / 100);
var lowestItemValue = allItemsExceptWinners.Last().Value;
if (rake == 0 || allItemsExceptWinners.Count < 2 || lowestItemValue > maxValueWeCanTake || PromotionInName(winner))
{
result.ItemIdsToWinner = allItemsExceptWinners
.Select(i => new AssetAndDescriptionId {
AssetId = i.AssetId, DescriptionId = i.DescriptionId
})
.ToList();
return(result);
}
GiveHighestValuedItemToWinner(allItemsExceptWinners, result);
TakeRake(maxValueWeCanTake, allItemsExceptWinners, result);
GiveRestToWinner(allItemsExceptWinners, result);
return(result);
}
private static void GiveRestToWinner(List <DatabaseModel.ItemBetted> allItemsExceptWinners, RakeResult result)
{
foreach (var item in allItemsExceptWinners)
{
result.ItemIdsToWinner.Add(new AssetAndDescriptionId {
AssetId = item.AssetId, DescriptionId = item.DescriptionId
});
}
}
private static void TakeRake(decimal maxValueWeCanTake, List <DatabaseModel.ItemBetted> allItemsExceptWinners, RakeResult result)
{
decimal sumWeTake = 0;
var list = new List <AssetAndDescriptionId>();
foreach (var item in allItemsExceptWinners)
{
if (item.Value + sumWeTake > maxValueWeCanTake)
{
continue;
}
sumWeTake += item.Value;
result.ItemIdsToUs.Add(new AssetAndDescriptionId {
AssetId = item.AssetId, DescriptionId = item.DescriptionId
});
list.Add(new AssetAndDescriptionId {
AssetId = item.AssetId, DescriptionId = item.DescriptionId
});
}
for (int i = allItemsExceptWinners.Count - 1; i >= 0; i--)
{
foreach (var assetAndDescriptionId in list)
{
if (allItemsExceptWinners[i].AssetId != assetAndDescriptionId.AssetId ||
allItemsExceptWinners[i].DescriptionId != assetAndDescriptionId.DescriptionId)
{
continue;
}
allItemsExceptWinners.RemoveAt(i);
break;
}
}
}
private static void GiveHighestValuedItemToWinner(List <DatabaseModel.ItemBetted> allItemsExceptWinners, RakeResult result)
{
var lastItemId = allItemsExceptWinners.First();
allItemsExceptWinners.RemoveAt(0);
result.ItemIdsToWinner.Add(new AssetAndDescriptionId {
AssetId = lastItemId.AssetId, DescriptionId = lastItemId.DescriptionId
});
}
