public virtual PaymentStatisticIncrement GetPaymentChanges(PaymentStatusChangedMessage paymentChangeMsg)
{
if (paymentChangeMsg.StatusHistory.Count == 0)
{
return(null);
}
var increment = new PaymentStatisticIncrement();
// Update total count
PopulatePaymentTotalCounters(increment, paymentChangeMsg);
//skip message processing if current status is intermediate
if (!IsCurrentStatusFinal(paymentChangeMsg))
{
return(increment);
}
var sortedStatusHistories =
paymentChangeMsg.StatusHistory.OrderByDescending(x => x.PaymentStatusHistoryId).ToList();
var currentStatus = sortedStatusHistories[0].Status;
var previousFinalStatusHistory = sortedStatusHistories.Skip(1).FirstOrDefault(x => x.Status.IsFinal());
var previousStatus = previousFinalStatusHistory?.Status;
// Here we work with payments in final status ONLY!
PopulatePaymentSuccessCounters(increment, paymentChangeMsg, previousStatus, currentStatus);
return(increment);
}
private static void PopulatePaymentSuccessCounters(PaymentStatisticIncrement increment,
PaymentStatusChangedMessage paymentChangeMsg, string previousStatus, string currentStatus)
{
var sign = CalculatePaymentStatusIncrementSign(previousStatus, currentStatus);
increment.SuccessCount += sign;
increment.SuccessSum += sign * paymentChangeMsg.Payment.PaymentAmount;
increment.SuccessBaseSum += sign * paymentChangeMsg.Payment.BaseAmount;
}
public virtual PaymentStatisticIncrement GetPaymentChanges(PaymentStatusChangedMessage paymentChangeMsg)
{
var increment = new PaymentStatisticIncrement();
//skip message processing if current status is intermediate
if (!IsCurrentStatusFinal(paymentChangeMsg))
{
return(increment);
}
// Update total count
PopulatePaymentTotalCounters(increment, paymentChangeMsg);
var currentStatus = paymentChangeMsg.Status;
// Here we work with payments in final status ONLY!
PopulatePaymentSuccessCounters(increment, paymentChangeMsg, currentStatus);
return(increment);
}
/// <summary>
/// Checks whether current status in message is final.
/// </summary>
/// <param name="message"><see cref="PaymentStatusChangedMessage"/>The event message.</param>
/// <returns>Value indicating whether status is final.</returns>
private static bool IsCurrentStatusFinal(PaymentStatusChangedMessage message)
{
var currentStatus = message.StatusHistory.OrderBy(x => x.PaymentStatusHistoryId).Last().Status;
return(currentStatus.IsFinal());
}
private static void PopulatePaymentTotalCounters(PaymentStatisticIncrement increment, PaymentStatusChangedMessage paymentChangeMsg)
{
if (paymentChangeMsg.StatusHistory.Count == 1)
{
increment.TotalCount++;
increment.TotalSum = paymentChangeMsg.Payment.PaymentAmount;
increment.TotalBaseSum = paymentChangeMsg.Payment.BaseAmount;
}
}
private static bool IsCurrentStatusFinal(PaymentStatusChangedMessage message)
{
var currentStatus = message.Status;
return(currentStatus.IsFinal());
}
static void GenerateMessages(IActorRef actor)
{
var randomizer = new Random();
var paymentId = 1;
var listOfCustomers =
new List <string>
{
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString()
};
System.Threading.Tasks.Parallel.ForEach(listOfCustomers, cust =>
{
var listOfPaymentRefs =
new List <string>
{
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString()
};
foreach (var pr in listOfPaymentRefs)
{
var methodAction = randomizer.Next(1, 3);
var createdDate = DateTime.Now;
var randAmount = randomizer.Next(100);
var currencyCode = "EUR";
var fee = randAmount * 0.05m;
var randomStatuses = new List <string> {
"Authorized", "Captured", "Error", "Refused"
};
var statusIndex = randomizer.Next(4);
var statuses = new List <string> {
"Created", "InProcess", randomStatuses[statusIndex]
};
foreach (var st in statuses)
{
System.Threading.Thread.Sleep(randomizer.Next(100, 500));
var paymentMessage =
new PaymentStatusChangedMessage("test.com",
new PaymentInformation(currencyCode, randAmount, currencyCode, randAmount, currencyCode, fee, "VISA", randAmount, randAmount, createdDate, DateTime.Now, pr, pr, paymentId, currencyCode, methodAction),
new CustomerInformation("GB", cust), st);
actor.Tell(paymentMessage);
Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(paymentMessage));
}
}
paymentId++;
});
}