/// <summary>
/// Gets the coin dispenser.
/// </summary>
/// <returns>Coin dispenser</returns>
private static ICoinDispenser GetCoinDispenser()
{
ICoinDispenser dispenser = CoinDispenser.Initialise();
dispenser.SerialPortName = GetCOMPortName();
return(dispenser);
}
/// <summary>
/// Gets the status.
/// </summary>
/// <returns>DispenserStatus</returns>
public static DispenserStatus GetStatus(out string errorDesc, out uint iErrorcode)
{
DispenserStatus status = DispenserStatus.NotAvailable;
ICoinDispenser coinDispenser = null;
errorDesc = string.Empty;
iErrorcode = 1;
try
{
coinDispenser = GetCoinDispenser();
CoinDispStatus dispStatus = coinDispenser.GetStatus();
if (dispStatus != null)
{
if (IsSucceeded(dispStatus.ErrorCode))
{
status = DispenserStatus.Available;
}
errorDesc = dispStatus.ErrDesc;
iErrorcode = dispStatus.ErrorCode;
}
else
{
errorDesc = "Unable to connect cash dispenser.";
}
LogManager.WriteLog("|=> (GetStatus) : " + errorDesc, LogManager.enumLogLevel.Info);
}
//catch (System.IO.IOException ex)
//{
// ExceptionManager.Publish(ex);
//}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
finally
{
coinDispenser = null;
if (string.IsNullOrEmpty(errorDesc))
{
errorDesc = "Unable to connect cash dispenser.";
}
}
return(status);
}
public VendingMachine(ICoinDispenser coinDispenser, IDenominationConverter denominationConverter, ILogger <VendingMachine> logger)
{
_coinDispenser = coinDispenser ?? throw new ArgumentNullException(nameof(coinDispenser));
_denominationConverter = denominationConverter ?? throw new ArgumentNullException(nameof(denominationConverter));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
/// <summary>
/// Dispenses the specified value.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>DispenseResult</returns>
public DispenseResult Dispense(decimal value)
{
ICoinDispenser coinDispenser = null;
DispenseResult result = new DispenseResult();
decimal issuedValue = value;
decimal rejectedValue = 0;
decimal? issuedValue2 = 0;
decimal? rejectedValue2 = 0;
CoinDispStatus dispStatus = null;
bool success = false;
LogManager.WriteLog("|=> (Dispense) : " +
((this.DeckType == TypeOfDeck.Lower) ? "Lower" : "Upper") + " " +
"Value : " + value.ToString(),
LogManager.enumLogLevel.Info);
bool canUpdateToDB = false;
try
{
// COM API CALL
result.Value = value;
try
{
coinDispenser = GetCoinDispenser();
if (this.DeckType == TypeOfDeck.Lower)
{
dispStatus = coinDispenser.DispenseLowDeck((ushort)value);
}
else
{
dispStatus = coinDispenser.DispenseUPDeck((ushort)value);
}
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
finally
{
if (dispStatus != null)
{
LogManager.WriteLog("|=> (Dispense) : Error Code : " + dispStatus.ErrorCode.ToString(), LogManager.enumLogLevel.Info);
success = IsSucceeded(dispStatus.ErrorCode);
canUpdateToDB = true;
string outputMessage = "Output Message => Deck => {0}, Dispensed Value => {1:F}, Rejected Value => {2:F}";
if (this.DeckType == TypeOfDeck.Lower)
{
issuedValue = dispStatus.LowDispNotes;
rejectedValue = dispStatus.LowRejNotes;
try
{
outputMessage = string.Format(outputMessage, "Lower", issuedValue, rejectedValue);
}
catch { }
}
else
{
issuedValue = dispStatus.UPDispNotes;
rejectedValue = dispStatus.UPRejNotes;
try
{
outputMessage = string.Format(outputMessage, "Upper", issuedValue, rejectedValue);
}
catch { }
}
result.ErrorDescription = dispStatus.ErrDesc;
LogManager.WriteLog(outputMessage, LogManager.enumLogLevel.Info);
}
else
{
result.ErrorDescription = "Unable to dispense from " + this.CassetteAlias + ".";
result.Failed = true;
}
LogManager.WriteLog("|=> (Dispense) : " + result.ErrorDescription, LogManager.enumLogLevel.Info);
coinDispenser = null;
}
if (canUpdateToDB)
{
// UPDATE IT INTO DATABASE
using (CashDispenserDBDataContext context = new CashDispenserDBDataContext(CashDispenserFactory.ExchangeConnectionString))
{
int?iResult = 0;
context.UpdateCashDispenserItemValues(this.CassetteID,
issuedValue,
rejectedValue,
ref issuedValue2,
ref rejectedValue2,
ref iResult);
if (iResult != null && iResult.HasValue)
{
result.Result = (iResult.Value > 0);
}
LogManager.WriteLog("|=> (Dispense) : Result : " + result.Result.ToString(), LogManager.enumLogLevel.Info);
}
}
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
finally
{
if (result != null)
{
result.Result = success;
if (canUpdateToDB)
{
result.IssuedValue = issuedValue;
result.RejectedValue = rejectedValue;
if (issuedValue2 != null && issuedValue2.HasValue)
{
this.IssuedValue = issuedValue2.Value;
}
if (rejectedValue2 != null && rejectedValue2.HasValue)
{
this.RejectedValue = rejectedValue2.Value;
}
}
}
}
return(result);
}
/// <summary>
/// Tests the status.
/// </summary>
/// <param name="errorDesc">The error desc.</param>
/// <returns>DispenserStatus</returns>
public DispenserStatus TestStatus(out string errorDesc)
{
DispenserStatus status = DispenserStatus.NotAvailable;
ICoinDispenser coinDispenser = null;
errorDesc = string.Empty;
string deckMsg = "Deck Type : " + ((this.DeckType == TypeOfDeck.Lower) ? "Lower" : "Upper");
CoinDispStatus dispStatus = null;
bool canUpdateToDB = false;
decimal issuedValue = 0;
decimal rejectedValue = 0;
decimal? issuedValue2 = 0;
decimal? rejectedValue2 = 0;
try
{
coinDispenser = GetCoinDispenser();
if (this.DeckType == TypeOfDeck.Lower)
{
dispStatus = coinDispenser.TestLowerDeck();
}
else
{
dispStatus = coinDispenser.TestUpperDeck();
}
if (dispStatus != null)
{
if (IsSucceeded(dispStatus.ErrorCode))
{
status = DispenserStatus.Available;
}
errorDesc = dispStatus.ErrDesc;
}
else
{
errorDesc = "Unable to connect cash dispenser.";
}
LogManager.WriteLog("|=> (TestStatus) : " + deckMsg + ", " + errorDesc, LogManager.enumLogLevel.Info);
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
finally
{
try
{
if (dispStatus != null)
{
LogManager.WriteLog("|=> (Dispense) : Error Code : " + dispStatus.ErrorCode.ToString(), LogManager.enumLogLevel.Info);
canUpdateToDB = true;
if (this.DeckType == TypeOfDeck.Lower)
{
issuedValue = dispStatus.LowDispNotes;
rejectedValue = dispStatus.LowRejNotes;
}
else
{
issuedValue = dispStatus.UPDispNotes;
rejectedValue = dispStatus.UPRejNotes;
}
}
if (canUpdateToDB)
{
// UPDATE IT INTO DATABASE
using (CashDispenserDBDataContext context = new CashDispenserDBDataContext(CashDispenserFactory.ExchangeConnectionString))
{
int?iResult = 0;
context.UpdateCashDispenserItemValues(this.CassetteID,
issuedValue,
rejectedValue,
ref issuedValue2,
ref rejectedValue2,
ref iResult);
LogManager.WriteLog("|=> (TestStatus) : Result : " + (iResult.Value > 0).ToString(), LogManager.enumLogLevel.Info);
}
}
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
coinDispenser = null;
}
return(status);
}