public void TurnOn()
{
this.authorizers = GasStationAuthorizer.CreateAll();
if (this.authorizers == null)
{
return;
}
foreach (GasStationAuthorizer authorizer in this.authorizers)
{
Task.Run(() => this.InitiateFlow(authorizer));
}
}
private void InitiateFlow(GasStationAuthorizer authorizer)
{
do
{
ITransactionEntry transaction = null;
ICard card = null;
Nullable <short> pump = 0;
Task readPump = new Task(() =>
{
do
{
try
{
pump = authorizer.Authorizer.PinpadFacade.Keyboard.DataPicker.GetNumericValue("Escolha a bomba", true, 1, 4);
}
catch (Exception) { break; }
} while (pump == null);
});
readPump.Start();
readPump.Wait();
// We know very little about the transaction:
transaction = new TransactionEntry();
transaction.CaptureTransaction = true;
transaction.Type = AccountType.Undefined;
// Get transaction amount:
decimal amount = 0;
amount = this.View.Dispatcher.Invoke <decimal>(() =>
{
return(GetPumpuAmount(pump.Value));
});
if (amount == 0)
{
continue;
}
transaction.Amount = amount;
// Asks for a card to be inserted or swiped:
Task readCard = new Task(() => authorizer.WaitForCard(transaction, out card));
readCard.Start();
readCard.Wait();
string authorizationMessage;
bool status = authorizer.BuyGas(card, transaction, out authorizationMessage);
// Verify response
if (status == true)
{
authorizer.ShowSomething("approved!", ":-D", DisplayPaddingType.Center, true);
}
else
{
authorizer.ShowSomething("not approved", ":-(", DisplayPaddingType.Center, true);
}
}while (true);
}