/// <summary>
/// This will allow merchants to do add multiple orderlines to a PayEx transaction.
/// Run this method for every order line you want to add to the order. It is run after initialize since you need the
/// orderRef to reference the order lines to.
/// </summary>
public async Task <BaseResult> AddSingleOrderLine(AddSingleOrderLineRequest request)
{
// Validation
if (request == null)
{
throw new ArgumentNullException(nameof(request), "request is required");
}
if (string.IsNullOrEmpty(request.OrderRef))
{
throw new ArgumentNullException("OrderRef", "OrderRef is required");
}
if (string.IsNullOrEmpty(request.ItemNumber))
{
throw new ArgumentNullException("ItemNumber", "ItemNumber is required");
}
if (string.IsNullOrEmpty(request.ItemDescription1))
{
throw new ArgumentNullException("ItemDescription1", "ItemDescription1 is required");
}
//if (request.Quantity <= 0)
// throw new ArgumentOutOfRangeException("Quantity", "Quantity must be positive.");
//if (request.Amount < 0)
// throw new ArgumentOutOfRangeException("Amount", "Amount must be positive.");
var convAmount = request.Amount.ToPayEx();
var vatPrice = request.VatAmount.ToPayEx();
var vatPercent = request.VatPercent.ToPayEx();
// Build string for md5 hash
var hashInput = new StringBuilder();
hashInput.Append(Account.AccountNumber);
hashInput.Append(request.OrderRef);
hashInput.Append(request.ItemNumber);
hashInput.Append(request.ItemDescription1);
hashInput.Append(request.ItemDescription2);
hashInput.Append(request.ItemDescription3);
hashInput.Append(request.ItemDescription4);
hashInput.Append(request.ItemDescription5);
hashInput.Append(request.Quantity);
hashInput.Append(convAmount);
hashInput.Append(vatPrice);
hashInput.Append(vatPercent);
// Add encryption key at the end of string to be hashed
hashInput.Append(Account.EncryptionKey);
// Create a hash string from the parameters
string hash;
MD5Hash.Hash(hashInput.ToString(), out hash);
// Invoke Initialize method on external PayEx PxOrder web service
var payexOrder = GetPxOrderClient();
var xmlReturn = await payexOrder.AddSingleOrderLine2Async(
Account.AccountNumber, request.OrderRef, request.ItemNumber,
request.ItemDescription1,
request.ItemDescription2 ?? "",
request.ItemDescription3 ?? "",
request.ItemDescription4 ?? "",
request.ItemDescription5 ?? "",
request.Quantity, convAmount, vatPrice, vatPercent, hash);
// Parse the result
var result = ResultParser.ParseBaseResult(xmlReturn);
return(result);
}
