public bool VoidTransaction(string operationID, out string errorText)
{
errorText = null;
IActiveXConnectAPI a = GetAPI();
if (a == null)
{
errorText = "Failed to load API library...";
return(false);
}
a.Void(operationID);
if (!ProcessEventsUntil(a, "OnVoidResult", 100))
{
errorText = "Timeout waiting for OnVoidResult";
return(false);
}
if (a.OperationResult != "OK")
{
errorText = a.Text;
return(false);
}
return(true);
}
public bool CloseDocument(Document document)
{
Console.WriteLine("Closing document {0}", document.DocumentNr);
IActiveXConnectAPI a = GetAPI();
if (a == null)
{
return(false);
}
List <string> operationsID = new List <string>();
if (document.Transactions != null)
{
foreach (var i in document.Transactions)
{
operationsID.Add(i.OperationID);
}
}
a.DocClosed(document.DocumentNr, operationsID.ToArray());
Console.WriteLine("DocClosed method called, waiting for OnDocClosedResult event...");
if (!ProcessEventsUntil(a, "OnDocClosedResult", 15))
{
Console.WriteLine("Timeout waiting for OnDocClosedResult");
return(false);
}
string result = a.OperationResult;
Console.WriteLine("OnDocClosedResult event received with OperationResult={0}", result);
return(result == "OK");
}
public bool CloseDay(string operatorID, string operatorName)
{
IActiveXConnectAPI a = GetAPI();
if (a == null)
{
return(false);
}
if (!UnlockDevice("999", "John", "", 0, ""))
{
Console.WriteLine("Failed to unlock device");
return(false);
}
Console.WriteLine("CloseDay method called");
a.CloseDay(operatorID, operatorName);
Console.WriteLine("Waiting for OnCloseDayResult event...");
if (!ProcessEventsUntil(a, "OnCloseDayResult", 130))
{
return(false);
}
string result = a.OperationResult;
Console.WriteLine("OnCloseDayResult received with result={0}", result);
return(result == "OK");
}
public bool UnlockDevice(string operatorID, string operatorName, string operation, long amount, string text)
{
IActiveXConnectAPI a = GetAPI();
if (a == null)
{
return(false);
}
a.UnlockDevice(text, "EN", operatorID, operatorName, amount, "1.0", operation, 0);
if (!ProcessEventsUntil(a, "OnUnlockDeviceResult", 15) || a.OperationResult != "OK")
{
return(false);
}
return(true);
}
public bool LockDevice(string text)
{
IActiveXConnectAPI a = GetAPI();
if (a == null)
{
return(false);
}
a.LockDevice(text);
if (!ProcessEventsUntil(a, "OnLockDeviceResult", 15) || a.OperationResult != "OK")
{
return(false);
}
return(true);
}
/// <summary>
/// Gets COM object instance.
/// If object is already created then return it. Else attempt to create it.
/// </summary>
/// <returns>API com object instance to be used. If COM object creation fails return null.</returns>
IActiveXConnectAPI GetAPI()
{
if (_api == null)
{
_api = new AXC();
_api.Initialize(new string[] { "ReceiptControlSymbolsNotSupported", "OnDisplayTextEventSupported", "OnMessageBoxEventSupported" });
if (_api.OperationResult != "OK")
{
_api.Dispose();
_api = null;
return(null);
}
return(_api);
}
else
{
return(_api);
}
}
/// <summary>
/// Processes events until event of expected type is received.
/// </summary>
/// <param name="api">COM object</param>
/// <param name="expectedEventType">Event type to wait for. When this event is received method returns true</param>
/// <param name="timeoutInSeconds">Timeout in seconds to wait for expected event</param>
/// <returns>True if expected event was received before timeout. Otherwise returns false.</returns>
private bool ProcessEventsUntil(IActiveXConnectAPI api, string expectedEventType, int timeoutInSeconds)
{
Stopwatch sw = Stopwatch.StartNew();
api.PollEvent(200);
string ev = api.EventType;
while (ev != expectedEventType)
{
switch (ev)
{
case "OnPrompt":
{
Console.WriteLine(api.PromptText);
string input = Console.ReadLine();
api.Input(input);
if (!ProcessEventsUntil(api, "OnInputResult", 15))
{
return(false);
}
if (api.OperationResult != "OK")
{
return(false);
}
}
break;
case "OnPrint":
{
api.GetNextReceipt();
while (!String.IsNullOrEmpty(api.ReceiptText))
{
Console.WriteLine("Printing received receipt:");
Console.WriteLine("ReceiptIsClientData: {0}", api.ReceiptIsClientData);
Console.WriteLine("ReceiptIsMerchantCopy: {0}", api.ReceiptIsMerchantCopy);
Console.WriteLine("Document nr: {0}", api.ReceiptDocumentNr);
Console.WriteLine("--------------------------");
Console.WriteLine(api.ReceiptText);
Console.WriteLine("--------------------------");
api.GetNextReceipt();
}
}
break;
case "OnSelect":
{
Console.WriteLine(api.Text);
string input = Console.ReadLine();
api.Input(input);
if (!ProcessEventsUntil(api, "OnInputResult", 15))
{
return(false);
}
if (api.OperationResult != "OK")
{
return(false);
}
}
break;
case "OnDisplayText":
{
Console.WriteLine("--------------");
Console.WriteLine(api.DisplayText);
Console.WriteLine("--------------");
}
break;
case "OnMessageBox":
{
Console.WriteLine("-----------------");
Console.WriteLine(api.MessageBoxText);
Console.WriteLine("-----------------");
string[] validButtons = null;
switch (api.MessageBoxType)
{
case "Ok":
validButtons = new[] { "Ok" };
break;
case "YesNo":
validButtons = new[] { "Yes", "No" };
break;
case "OkCancel":
validButtons = new[] { "Ok", "Cancel" };
break;
case "YesNoCancel":
validButtons = new[] { "Yes", "No", "Cancel" };
break;
}
Console.WriteLine("Please choose on of following buttons:");
for (int i = 0; i < validButtons.Length; i++)
{
Console.WriteLine("{0} {1}", i + 1, validButtons[i]);
}
int index;
if (!Int32.TryParse(Console.ReadLine(), out index))
{
Console.WriteLine("You must enter a number from the list above");
return(false);
}
index--;
if (index < 0 || index >= validButtons.Length)
{
Console.WriteLine("You must enter a number from the list above");
return(false);
}
else
{
api.Click(validButtons[index]);
ProcessEventsUntil(api, "OnClickResult", 15);
}
}
break;
default:
{
if (!String.IsNullOrEmpty(ev))
{
Console.WriteLine("Ignoring event: {0}", ev);
}
}
break;
}
if (sw.ElapsedMilliseconds > timeoutInSeconds * 1000)
{
return(false);
}
api.PollEvent((int)(timeoutInSeconds * 1000 - sw.ElapsedMilliseconds));
ev = api.EventType;
}
return(true);
}
public long Authorize(long amount, string documentNr, string currencyCode, out string errorText, out string operationID)
{
errorText = null;
operationID = null;
IActiveXConnectAPI a = GetAPI();
if (a == null)
{
errorText = "Failed to load API library";
return(0);
}
Console.WriteLine("Waiting for OnCard event (insert card)...");
while (true)
{
if (!ProcessEventsUntil(a, "OnCard", 30))
{
errorText = "Timeout waiting for card to be inserted into device";
return(0);
}
if (ContainsFlag(a.Flags, "AllowAuthorize"))
{
Console.WriteLine("CARD is payment card");
break;
}
else
{
Console.WriteLine("This is not payment card, most probably it's loyalty/discount card, so calculate discount/loyalty points here... and wait for next CARD event");
}
}
if (a.CurrencyCode != currencyCode)
{
errorText = String.Format("Currency '{0}' code is not supported", a.CurrencyCode);
return(0);
}
string lastFourDigits = null;
if (ContainsFlag(a.Flags, "ReqLastFourDigits"))
{
Console.WriteLine("Please enter last 4 digits of the card");
lastFourDigits = Console.ReadLine();
}
a.Authorize(amount, 0, documentNr, lastFourDigits);
Console.WriteLine("Authorize method called, waiting for OnAuthorizeResult event...");
if (!ProcessEventsUntil(a, "OnAuthorizeResult", 100))
{
errorText = "Timeout waiting for OnAuthorizeResult";
return(0);
}
if (a.OperationResult != "OK")
{
errorText = a.Text;
return(0);
}
operationID = a.OperationID;
if (a.AmountAuthorized == 0)
{
errorText = "Authorization declined";
}
return(a.AmountAuthorized);
}
