private List <SignalBounce <TKey> > CreateBounceList(AmazonSesNotification sesNotification)
{
List <SignalBounce <TKey> > bouncedMessages = new List <SignalBounce <TKey> >();
if (sesNotification.AmazonSesMessageType == AmazonSesMessageType.Unknown)
{
_logger.LogError("Unknown AWS message type received.");
return(bouncedMessages);
}
//parse NDR
else if (sesNotification.AmazonSesMessageType == AmazonSesMessageType.Bounce)
{
foreach (AmazonSesBouncedRecipient recipient in sesNotification.Bounce.BouncedRecipients)
{
BounceType bounceType = sesNotification.Bounce.AmazonBounceType == AmazonBounceType.Permanent
? BounceType.HardBounce
: BounceType.SoftBounce;
string detailsXml = XmlBounceDetails.DetailsToXml(sesNotification.AmazonSesMessageType
, sesNotification.Bounce.AmazonBounceType, sesNotification.Bounce.AmazonBounceSubType);
SignalBounce <TKey> bouncedMessage = CreateBouncedMessage(bounceType
, sesNotification.Mail, recipient.EmailAddress, detailsXml);
bouncedMessages.Add(bouncedMessage);
}
}
//parse complaint
else if (sesNotification.AmazonSesMessageType == AmazonSesMessageType.Complaint)
{
foreach (AmazonSesComplaintRecipient recipient in sesNotification.Complaint.ComplainedRecipients)
{
string detailsXml = XmlBounceDetails.DetailsToXml(sesNotification.AmazonSesMessageType
, complaintFeedbackType: sesNotification.Complaint.AmazonComplaintFeedbackType);
SignalBounce <TKey> bouncedMessage = CreateBouncedMessage(BounceType.HardBounce
, sesNotification.Mail, recipient.EmailAddress, detailsXml);
bouncedMessages.Add(bouncedMessage);
}
}
return(bouncedMessages);
}
//methods
/// <summary>
/// Handle request from AWS SNS with NDR.
/// </summary>
/// <param name="requestMessage"></param>
/// <returns></returns>
public List <SignalBounce <TKey> > ParseBounceInfo(string requestMessage)
{
//string > sns message
AmazonSnsMessage message;
bool isValid = _amazonSnsManager.ParseRequest(requestMessage, out message);
if (isValid == false)
{
return(new List <SignalBounce <TKey> >());
}
//sns message > ses message
AmazonSesNotification sesNotification = ExtractSesNotification(message);
if (sesNotification == null)
{
return(new List <SignalBounce <TKey> >());
}
//ses message > List<SignalBounce<TKey>>
return(CreateBounceList(sesNotification));
}