static void RespondToCardRedemptionRequest(SerialBeacon beacon, Dictionary <string, object> requestInfo)
{
var barcode = (string)requestInfo[Constants.WALLET_CARD_BARCODE_TINY_KEY];
var merchantID = (string)requestInfo[Constants.WALLET_MERCHANT_ID_TINY_KEY];
var transactionID = (string)requestInfo[Constants.WALLET_TRANSACTION_ID_TINY_KEY];
var deviceID = (string)requestInfo[Constants.WALLET_DEVICE_ID_TINY_KEY];
decimal?amount = null;
if (requestInfo.ContainsKey(Constants.WALLET_AMOUNT_TINY_KEY))
{
var amountString = (string)requestInfo[Constants.WALLET_AMOUNT_TINY_KEY];
if (!String.IsNullOrEmpty(amountString))
{
amount = decimal.Parse(amountString);
}
}
var errors = new List <byte>();
if (string.IsNullOrEmpty(barcode))
{
Console.WriteLine("Barcode missing.");
errors.Add((byte)eWalletErrors.CardBarcodeMissing);
}
if (string.IsNullOrEmpty(merchantID))
{
Console.WriteLine("Merchant ID missing.");
errors.Add((byte)eWalletErrors.MerchantIDMissing);
}
if (string.IsNullOrEmpty(transactionID))
{
Console.WriteLine("Transaction ID missing.");
errors.Add((byte)eWalletErrors.TransactionIDMissing);
}
if (errors.Count > 0)
{
RespondToBleDataRequestWithErrors(beacon, requestInfo, errors);
return;
}
var transaction = _demoDataSource.GetTransaction(transactionID);
if (transaction == null)
{
Console.WriteLine("Transaction {0} not found.", transactionID);
errors.Add((byte)eWalletErrors.TransactionNotFound);
}
else if (transaction.IsCanceled)
{
Console.WriteLine("Transaction {0} was previously canceled at {1}.", transactionID, transaction.CanceledAt);
errors.Add((byte)eWalletErrors.TransactionCanceled);
}
else if (transaction.IsComplete)
{
Console.WriteLine("Transaction {0} completed.", transactionID);
errors.Add((byte)eWalletErrors.TransactionCompleted);
}
else if (amount.HasValue && Decimal.Compare(amount.Value, transaction.RemainingAmount) > 0)
{
Console.WriteLine("Amount {0:0.00} exceeds remaining amount {1:0.00} on transaction {2}.", amount.Value, transaction.RemainingAmount, transactionID);
errors.Add((byte)eWalletErrors.SpecifiedAmountExceedsRemainingAmount);
}
var card = _demoDataSource.GetCard(merchantID, barcode);
if (card == null)
{
Console.WriteLine("Card {0} for merchant {1} not found.", barcode, merchantID);
errors.Add((byte)eWalletErrors.CardNotFound);
}
else if (amount.HasValue && Decimal.Compare(amount.Value, card.CurrentBalance) > 0)
{
Console.WriteLine("Card {0} balance {1:0.00} less than amount {2:0.00} specified.", barcode, card.CurrentBalance, amount.Value);
errors.Add((byte)eWalletErrors.CardBalanceInsufficient);
}
if (errors.Count > 0)
{
RespondToBleDataRequestWithErrors(beacon, requestInfo, errors);
return;
}
var item = new TenderLineItem
{
Card = card,
DeviceID = deviceID,
};
transaction.AddTenderLineItem(item);
if (amount.HasValue)
{
item.Amount = amount.Value;
card.CurrentBalance = card.CurrentBalance - amount.Value;
transaction.RemainingAmount = transaction.RemainingAmount - amount.Value;
}
else if (Decimal.Compare(transaction.RemainingAmount, card.CurrentBalance) >= 0)
{
item.Amount = card.CurrentBalance;
transaction.RemainingAmount = transaction.RemainingAmount - card.CurrentBalance;
card.CurrentBalance = 0.00M;
}
else
{
item.Amount = transaction.RemainingAmount;
card.CurrentBalance = card.CurrentBalance - transaction.RemainingAmount;
transaction.RemainingAmount = 0.00M;
}
var responseInfo = new Dictionary <string, object>(requestInfo);
responseInfo[Constants.WALLET_CARD_CURRENT_BALANCE_TINY_KEY] = card.CurrentBalance.ToString("0.00");
responseInfo[Constants.WALLET_TRANSACTION_REMAINING_AMOUNT_TINY_KEY] = transaction.RemainingAmount.ToString("0.00");
var responseData = DictionarySerializer.SerializeToByteArray(responseInfo);
if (responseData != null)
{
try
{
Console.WriteLine("Canceling data blocks.");
beacon.CancelDataBlocks();
Console.WriteLine("Data request response: {0}.", JsonConvert.SerializeObject(responseInfo));
beacon.RespondToBleDataRequest(responseData);
if (Decimal.Compare(transaction.RemainingAmount, 0.0M) > 0)
{
TenderCard(transaction);
}
}
catch
{
}
}
else
{
Console.WriteLine("Serialization failed for card redemption request response.");
RespondToBleDataRequestWithErrors(beacon, requestInfo, new List <byte> {
(byte)eWalletErrors.SerializationFailed
});
}
}
