public async Task <Response> CloseRoulette(string id)
{
List <Bet> betList = null;
List <UserBetResult> userBetResults = null;
Roulette roulette = null;
byte WinnerNumber = 0;
Response response = new Response();
BetResult betResult = null;
roulette = await Context.GetRoulette(id);
response = ValidateForCloseRoulette(roulette);
if (!response.Successfull)
{
return(response);
}
betList = await Context.GetBetsFromRoulette(id);
if (betList == null || betList.Count <= 0)
{
return(new Response(false, "ERROR: There is not any bet on this roulette!", null));
}
WinnerNumber = NumbersUtil.RandomByte(36);
userBetResults = ConvertToUserBetResults(WinnerNumber, betList);
response = await PerformRouletteClosingOnDB(roulette);
if (!response.Successfull)
{
return(new Response(false, "ERROR: Could not close roulette!", null));
}
betResult = new BetResult()
{
BetsPerformed = betList,
UsersBetResults = userBetResults,
WinnerNumberAndColor = $"{BetUtils.GetBetColorFromByte(WinnerNumber)} {WinnerNumber}",
};
return(new Response(true, $"Roulette was closed successfully", betResult));
}
protected List <UserBetResult> ConvertToUserBetResults(byte WinnerNumber, List <Bet> betList)
{
UserBetResult resultBet;
List <UserBetResult> userBetResults = new List <UserBetResult>();
decimal moneyGained = 0;
string winnerOrLoser = "";
foreach (var bet in betList)
{
moneyGained = ComputeWinnerGain(WinnerNumber, bet);
winnerOrLoser = moneyGained <= 0 ? $"lost ${bet.Bet_Amount}" : $"gained ${moneyGained - bet.Bet_Amount} (${moneyGained})";
resultBet = new UserBetResult()
{
Bet_Description = $"User betted ${bet.Bet_Amount} for {BetUtils.ComposeBetInfo(bet)} and { winnerOrLoser }",
UserBet_GainedMoney = moneyGained,
User_Id = bet.User_Id,
Bet_Id = bet.Bet_Id
};
userBetResults.Add(resultBet);
}
return(userBetResults);
}