public HttpResponseMessage OnAuthorization()
{
AmexAuthRequest request = ParseRequest();
AmexAuthResponse response = new AmexAuthResponse();
CommerceContext context = CommerceContext.BuildSynchronousContext("Amex payment authorization request", request, response);
context.Log.Verbose("Amex payment authorization payload : \r\n\"{0}\".", Request.Content.ReadAsStringAsync().Result);
if (IsAuthorized(context))
{
Stopwatch callTimer = Stopwatch.StartNew();
HttpStatusCode httpStatusCode = ProcessAmexAuthCall(context, callTimer, () =>
{
AmexAuthorizationExecutor amexAuthorizationExecutor = new AmexAuthorizationExecutor(context);
return(amexAuthorizationExecutor.Execute());
});
if (httpStatusCode != HttpStatusCode.OK)
{
response.ResponseCode = AmexAuthResponseCode.AmexAuthInternalError;
context.Log.Warning("Amex payment authorization processing error. Request : {0} ", request.ToString());
}
HttpResponseMessage message = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ObjectContent <AmexAuthResponse>(response, new XmlMediaTypeFormatter())
};
return(message);
}
return(new HttpResponseMessage(HttpStatusCode.Unauthorized));
}
/// <summary>
/// Helper Method to parse incoming payload from AMEX.
/// </summary>
/// <returns>
/// Auth representation
/// </returns>
private AmexAuthRequest ParseRequest()
{
string payLoad = Request.Content.ReadAsStringAsync().Result;
AmexAuthRequest resultingMessage = null;
XmlSerializer serializer = new XmlSerializer(typeof(AmexAuthRequest));
using (StringReader rdr = new StringReader(payLoad))
{
resultingMessage = (AmexAuthRequest)serializer.Deserialize(rdr);
}
return(resultingMessage);
}
/// <summary>
/// Marshals information from the Amex Auth request into the Authorization object in the context.
/// </summary>
public void MarshalAuthorization()
{
AmexAuthRequest request = (AmexAuthRequest)Context[Key.Request];
// Populate the Authorization.
DataModels.Authorization authorization = (DataModels.Authorization)Context[Key.Authorization];
authorization.AuthorizationAmount = AmexUtilities.ParseAuthAmount(request.TransactionAmount);
authorization.Currency = "USD";
authorization.TransactionId = request.TransactionId;
authorization.PurchaseDateTime = AmexUtilities.ParseAuthDateTime(request.TransactionTime);
// Populate the Amex Auth Info.
Context[Key.PartnerDealId] = request.OfferId;
Context[Key.PartnerCardId] = request.CardToken;
Context[Key.PartnerMerchantId] = request.MerchantNumber;
}
