/// <summary>
/// Changes the Payment States depending upon
/// the current state status.
/// </summary>
/// <param name="CurrentPmtState">Current Payment State.</param>
/// <returns>Next Payment State</returns>
private PaymentState GetNextState(PaymentState CurrentPmtState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState): Entered.",
PayflowConstants.SEVERITY_DEBUG);
if (CurrentPmtState.Success && CurrentPmtState.InProgress)
{
if (CurrentPmtState is TransactionReceiveState)
{
// exit state
CurrentPmtState.SetTransactionSuccess();
}
else if (CurrentPmtState is SendInitState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Success): SentInitState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new TransactionSendState(CurrentPmtState);
}
else if (CurrentPmtState is TransactionSendState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Success): TransactionSentState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new TransactionReceiveState(CurrentPmtState);
}
else if (CurrentPmtState is SendRetryState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Success): SendRetryState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new SendReconnectState(CurrentPmtState);
}
else if (CurrentPmtState is SendReconnectState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Success): SendReconnectState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new SendInitState(CurrentPmtState);
}
// unknown state
else
{
String AddlMessage = "Unknown State, Current State = " + mPaymentState.ToString();
ErrorObject Err = PayflowUtility.PopulateCommError(PayflowConstants.E_UNKNOWN_STATE, null,
PayflowConstants.SEVERITY_FATAL, mPaymentState.IsXmlPayRequest,
AddlMessage);
if (!PsmContext.IsCommunicationErrorContained(Err))
{
PsmContext.AddError(Err);
}
}
}
else if (CurrentPmtState.Failed && CurrentPmtState.InProgress)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState): Current Payment State Failed. Current State = " + mPaymentState.ToString(),
PayflowConstants.SEVERITY_DEBUG);
if (CurrentPmtState is ReconnectState)
{
// exit state
if (!PsmContext.IsErrorContained())
{
String AddlMessage = "Exceeded Reconnect attempts, check context for error, Current reconnect attempt = " + mPaymentState.AttemptNo.ToString();
ErrorObject Err = PayflowUtility.PopulateCommError(PayflowConstants.E_TIMEOUT_WAIT_RESP, null,
PayflowConstants.SEVERITY_FATAL, mPaymentState.IsXmlPayRequest,
AddlMessage);
if (!PsmContext.IsCommunicationErrorContained(Err))
{
PsmContext.AddError(Err);
}
}
else
{
ArrayList ErrList = new ArrayList();
ErrList.AddRange(PsmContext.GetErrors());
int HighestSevLevel = PsmContext.HighestErrorLvl;
int ErrorListIndex;
int ErrorListSize = ErrList.Count;
for (ErrorListIndex = 0; ErrorListIndex < ErrorListSize; ErrorListIndex++)
{
ErrorObject Err = (ErrorObject)ErrList[ErrorListIndex];
if (Err.SeverityLevel == HighestSevLevel)
{
int index;
int size = Err.MessageParams.Count;
string[] MsgCodeParams = new string[size];
for (index = 0; index < size; index++)
{
MsgCodeParams[index] = (string)Err.MessageParams[index];
}
ErrorObject Error = new ErrorObject(PayflowConstants.SEVERITY_FATAL, Err.MessageCode, MsgCodeParams);
ErrList[ErrorListIndex] = Error;
break;
}
}
PsmContext.ClearErrors();
PsmContext.AddErrors(ErrList);
}
}
else if (CurrentPmtState is SendInitState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Failed): SendInitState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new SendReconnectState(CurrentPmtState);
}
else if (CurrentPmtState is TransactionSendState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Failed): TransactionSendState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new SendRetryState(CurrentPmtState);
}
else if (CurrentPmtState is TransactionReceiveState)
{
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState.Failed): TransactionReceiveState Entered.",
PayflowConstants.SEVERITY_DEBUG);
CurrentPmtState = new SendRetryState(CurrentPmtState);
}
// unknown state
else
{
String AddlMessage = "Current State = " + mPaymentState.ToString();
ErrorObject Err = PayflowUtility.PopulateCommError(PayflowConstants.E_UNKNOWN_STATE, null,
PayflowConstants.SEVERITY_FATAL, mPaymentState.
IsXmlPayRequest, AddlMessage);
if (!PsmContext.IsCommunicationErrorContained(Err))
{
PsmContext.AddError(Err);
}
}
}
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState): Obtained State = "
+ mPaymentState.GetType().ToString(),
PayflowConstants.SEVERITY_INFO);
Logger.Instance.Log("PayPal.Payments.Communication.PaymentStateMachine.GetNextState(PaymentState): Exiting.",
PayflowConstants.SEVERITY_DEBUG);
return(CurrentPmtState);
}
