public async Task ChangeBet(string betId, int[] numbers, int price)
{
if (price <= 0)
{
throw new ArgumentException("Price must be positive number.");
}
using (var session = Casino.GetSessionAsync)
{
var bet = await session.LoadAsync <Bet>(betId).ConfigureAwait(false);
var user = await session.LoadAsync <User>(Id).ConfigureAwait(false);
await Lottery.ValidateOpen(session, bet.LotteryId).ConfigureAwait(false);
user.Credit += bet.Price;
if (user.Credit < price)
{
throw new InsufficientFunds("Not enough credit");
}
bet.Price = price;
bet.Numbers = numbers;
user.Credit -= price;
await session.StoreAsync(bet).ConfigureAwait(false);
await session.StoreAsync(user).ConfigureAwait(false);
await session.SaveChangesAsync().ConfigureAwait(false);
}
}
public void ChangeBets(Lottery lottery, int num)
{
for (int i = 0; i < num; i++)
{
Task.Run(async() =>
{
await Task.Delay(Lottery.Rand.Next(100, 1000));
var name = UserOperations.GetName();
var user = await UserOperations.RegisterOrLoad(lottery.CasinoTestInstance, $"{name}@karmel.com", name);
while (true)
{
await Task.Delay(Lottery.Rand.Next(100, 500));
await user.PlaceBet(lottery.CasinoTestInstance, lottery.Id, RandomSequence(), Lottery.Rand.Next(1, 10));
}
});
}
}
public static async Task CreateAndRunLottery()
{
var policy = Policy.Handle <TimeoutException>().Retry(5);
// Console.Write("Creating Lottery ... ");
var lottery = await Lottery.CreateLottery().ConfigureAwait(false);
Instance.ReportInfo($"Lottery {lottery.Id} was created and will overdue at {lottery.DueTime}");
// Console.WriteLine($"Done {lottery.Id}");
//Console.WriteLine("Start betting");
var takeItEasy = Environment.GetEnvironmentVariable("RAVEN_SLOW_MACHINE") ?? "N";
var t = StartPlacingBets(lottery, takeItEasy.Contains("Y", StringComparison.InvariantCultureIgnoreCase) ? 1000 : 10);
Instance.ReportInfo($"Start betting in lottery {lottery.Id}");
var sleep = (int)(lottery.DueTime - DateTime.UtcNow).TotalMilliseconds;
if (sleep > 10)
{
await Task.Delay(sleep).ConfigureAwait(false);
}
Instance.ReportInfo($"Lottery {lottery.Id} is overdue");
//Console.Write("Finalize bets ... ");
await policy.Execute(lottery.FinalizeBets).ConfigureAwait(false);
//Console.WriteLine("Done");
Instance.ReportInfo($"Rolling the dice for lottery {lottery.Id}");
//Console.WriteLine("Rolling the Dice ... ");
lottery.RollTheDice();
//Console.Write("Completing the lottery ... ");
await policy.Execute(lottery.Complete);
Instance.ReportInfo($"Lottery {lottery.Id} is completed");
// Console.WriteLine("Done");
var profit = await policy.Execute(lottery.GetFinalBettingReport).ConfigureAwait(false);
Instance.ReportSuccess($"Report for lottery {lottery.Id} was generated and winners were rewarded.");
// Console.WriteLine(profit);
await t.ConfigureAwait(false);
}
public static Task StartPlacingBets(Lottery lottery, int num)
{
var tasks = new List <Task>();
for (int i = 0; i < num; i++)
{
var t = Task.Run(async() =>
{
try
{
await Task.Delay(Lottery.Rand.Next(500, 1000)).ConfigureAwait(false);
var name = UserOperations.GetName();
var user = await UserOperations.RegisterOrLoad($"{name}@karmel.com", name)
.ConfigureAwait(false);
for (int j = 0; j < 10; j++)
{
await Task.Delay(Lottery.Rand.Next(500, 1000)).ConfigureAwait(false);
await user.PlaceBet(lottery.Id, RandomSequence(), Lottery.Rand.Next(1, 10))
.ConfigureAwait(false);
}
}
catch (ConcurrencyException)
{
// expected
}
catch (InsufficientFunds)
{
// expected
}
catch (JavaScriptException e) when(e.Message.Contains("Lottery is over!"))
{
// expected
}
catch (Exception e)
{
// not expected at all!
Console.WriteLine(e);
throw;
}
});
tasks.Add(t);
}
return(Task.WhenAll(tasks));
}
public static async Task <Lottery> CreateLottery(CasinoTest casinoInstance)
{
var lottery = new Lottery(casinoInstance, $"Lottery/{DateTime.UtcNow}/" + Guid.NewGuid())
{
DueTime = DateTime.UtcNow.AddMinutes(1),
Status = LotteryStatus.Open
};
using (var session = casinoInstance.GetSessionAsync)
{
session.Advanced.WaitForReplicationAfterSaveChanges(timeout: TimeSpan.FromSeconds(180), replicas: casinoInstance.ReplicaCount());
await session.StoreAsync(lottery, lottery.Id);
await session.SaveChangesAsync();
}
return(lottery);
}
public async Task PlaceBet(string lotteryId, int[] numbers, int price)
{
if (price <= 0)
{
throw new ArgumentException("Price must be positive number.");
}
using (var session = Casino.GetSessionAsync)
{
var user = await session.LoadAsync <User>(Id).ConfigureAwait(false);
if (user.Credit < price)
{
throw new InsufficientFunds("Not enough credit");
}
var bet = new Bet
{
UserId = Id,
LotteryId = lotteryId,
Numbers = numbers,
Price = price,
BetStatus = Bet.Status.Active
};
await session.StoreAsync(bet).ConfigureAwait(false);
session.Advanced.GetMetadataFor(bet)[Constants.Documents.Metadata.Expires] = DateTime.UtcNow.AddMinutes(10);
user.Credit -= price;
user.Bets.Add(bet.Id);
await Lottery.ValidateOpen(session, lotteryId).ConfigureAwait(false);
session.CountersFor(lotteryId).Increment(DateTime.UtcNow.ToString("yyyy MMMM dd hh:mm"));
await session.SaveChangesAsync().ConfigureAwait(false);
}
}
public async Task DeleteBet(string betId)
{
using (var session = Casino.GetSessionAsync)
{
var user = await session.LoadAsync <User>(Id).ConfigureAwait(false);
var bet = await session.LoadAsync <Bet>(betId).ConfigureAwait(false);
await Lottery.ValidateOpen(session, bet.LotteryId).ConfigureAwait(false);
bet.BetStatus = Bet.Status.Deleted;
if (user.Bets.Remove(betId))
{
user.Credit += bet.Price;
await session.StoreAsync(bet).ConfigureAwait(false);
await session.StoreAsync(user).ConfigureAwait(false);
await session.SaveChangesAsync().ConfigureAwait(false);
}
}
}
public async Task CreateAndRunLottery()
{
var policy = Policy.Handle <TimeoutException>().Retry(5);
Console.Write("Creating Lottery ... ");
var lottery = await Lottery.CreateLottery(this);
ReportEvent(new EventInfo
{
Message = $"Lottery {lottery.Id} was created and will overdue at {lottery.DueTime}",
Type = EventInfo.EventType.Info
});
Console.WriteLine($"Done {lottery.Id}");
Console.WriteLine("Start betting");
var t = StartPlacingBets(lottery, 1000);
ReportEvent(new EventInfo
{
Message = $"Start betting in lottery {lottery.Id}",
Type = EventInfo.EventType.Info
});
var sleep = (int)(lottery.DueTime - DateTime.UtcNow).TotalMilliseconds;
if (sleep > 10)
{
await Task.Delay(sleep);
}
ReportEvent(new EventInfo
{
Message = $"Lottery {lottery.Id} is overdue",
Type = EventInfo.EventType.Info
});
Console.Write("Finalize bets ... ");
await policy.Execute(lottery.FinalizeBets);
Console.WriteLine("Done");
ReportEvent(new EventInfo
{
Message = $"Rolling the dice for lottery {lottery.Id}",
Type = EventInfo.EventType.Info
});
Console.WriteLine("Rolling the Dice ... ");
lottery.RollTheDice();
Console.Write("Completing the lottery ... ");
await policy.Execute(lottery.Complete);
ReportEvent(new EventInfo
{
Message = $"Lottery {lottery.Id} is completed",
Type = EventInfo.EventType.Info
});
Console.WriteLine("Done");
var profit = await policy.Execute(lottery.GetFinalBettingReport);
ReportEvent(new EventInfo
{
Message = $"Report for lottery {lottery.Id} was generated and winners were rewarded.",
Type = EventInfo.EventType.TestSuccess
});
Console.WriteLine(profit);
await t;
}
