private async Task ProcessAdjust(TransactionState transactionState, long newAmount)
{
using (transactionState.CreateAutoSaveContext())
{
AdjustRequest adjustRequest = AdjustRequest.Create(transactionState.DocumentNumber, newAmount, transactionState.AuthorizationId);
_pedEvents.Clear();
_pedHub.SendData(PedId, AsyncPosPacket.PrependLength(adjustRequest.Serialize(_apak, PedId)));
transactionState.Receipts.Clear();
Stopwatch sw = new Stopwatch();
sw.Start();
while (sw.Elapsed.TotalMilliseconds < AuthorizationTimeout)
{
var eventData = await _pedEvents.WaitAnyAsync(new[]
{
AsyncPosEventTypes.AdjustResult.ToString(),
AsyncPosEventTypes.PrintReceipt.ToString(),
}, AuthorizationTimeout - (int)sw.Elapsed.TotalMilliseconds);
if (eventData == null) continue;
switch ((AsyncPosEventTypes)Enum.Parse(typeof(AsyncPosEventTypes), eventData.Id, true))
{
case AsyncPosEventTypes.AdjustResult:
{
AdjustResponse result = AdjustResponse.Deserialize(eventData.Value);
if (result.DocumentNumber != transactionState.DocumentNumber) break;
if (!result.Approved)
throw new AsyncPosException(Language.Get("cannot_confirm_partial_trans_error", transactionState.Language));
transactionState.Amount = newAmount;
return;
}
case AsyncPosEventTypes.PrintReceipt:
{
PrintReceipt printReceipt = PrintReceipt.Deserialize(eventData.Value);
if (printReceipt.DocumentNumber != transactionState.DocumentNumber) break;
transactionState.Receipts.Add(new Receipt
{
Id = printReceipt.ReceiptId,
Text = printReceipt.ReceiptText,
Flags = printReceipt.Flags
});
break;
}
}
}
throw new AsyncPosException(Language.Get("no_response", transactionState.Language));
}
}
private async Task ProcessReversal(TransactionState transactionState)
{
using (transactionState.CreateAutoSaveContext())
{
transactionState.State = TransactionStates.Reversing;
transactionState.InformationText = Language.Get("reversed", transactionState.Language);
_pedEvents.Clear();
DocClosedRequest docClosed = DocClosedRequest.Create(transactionState.DocumentNumber, null);
_pedHub.SendData(PedId, AsyncPosPacket.PrependLength(docClosed.Serialize(_apak, PedId)));
if (await _pedEvents.WaitOneAsync(AsyncPosEventTypes.Ack.ToString(), AckTimeout) == null)
throw new AsyncPosException(Language.Get("no_response", transactionState.Language));
transactionState.State = TransactionStates.Reversed;
Stopwatch sw = new Stopwatch();
sw.Start();
while (sw.Elapsed.TotalMilliseconds < ReversalReceiptTimeout)
{
var eventData = await _pedEvents.WaitOneAsync(AsyncPosEventTypes.PrintReceipt.ToString(), ReversalReceiptTimeout - (int)sw.Elapsed.TotalSeconds);
if (eventData == null) continue;
PrintReceipt printReceipt = PrintReceipt.Deserialize(eventData.Value);
if (printReceipt.DocumentNumber != transactionState.DocumentNumber) continue;
Receipt rcpt = new Receipt
{
Id = printReceipt.ReceiptId,
Text = printReceipt.ReceiptText,
Flags = printReceipt.Flags,
IsReversalReceipt = true,
};
transactionState.Receipts.Add(rcpt);
if (printReceipt.Flags.IsFlagSet("LR")) break;
}
}
}
private async Task ProcessConfirm(TransactionState transactionState)
{
using (transactionState.CreateAutoSaveContext())
{
transactionState.State = TransactionStates.Confirming;
DocClosedRequest docClosed = DocClosedRequest.Create(transactionState.DocumentNumber, transactionState.AuthorizationId);
_pedEvents.Clear();
_pedHub.SendData(PedId, AsyncPosPacket.PrependLength(docClosed.Serialize(_apak, PedId)));
var result = await _pedEvents.WaitOneAsync(AsyncPosEventTypes.Ack.ToString(), AckTimeout);
if (result == null)
throw new AsyncPosException(Language.Get("no_response", transactionState.Language));
transactionState.State = TransactionStates.Confirmed;
}
}