public static async Task ProcessDeliveryStatusQueue(
[QueueTrigger(DELIVERY_STATUS_QUEUE)] string deliveryStatusQueue,
[Table(EMAIL_BLOCKED)] IAsyncCollector <EmailBlocked> tbEmailBlocked,
[Table(EMAIL_TRACK)] CloudTable tbEmailTrack,
int dequeueCount,
ILogger log)
{
try
{
log.LogInformation($"New status to update. Dequeue count for this item: {dequeueCount}.");
var deliveryStatusList = JsonConvert.DeserializeObject <List <DeliveryWebHook> >(deliveryStatusQueue);
foreach (var status in deliveryStatusList)
{
if (DeliveryEvents.Contains(status.Event))
{
if (BlockerEvents.Contains(status.Event))
{
log.LogInformation($"Blocking email {status.Email}...");
await EmailBlocker.Create(tbEmailBlocked, status.Email, JsonConvert.SerializeObject(status), status.Event);
}
//TODO: Add to a list of Delivery Events
await EmailTracker.Update(tbEmailTrack, status.Email, status.TrackerId, status.Event, log, status.SgMessageId);
}
else if (EngagementEvents.Contains(status.Event))
{
//TODO: Add to a list of Engagement Events
await EmailTracker.Update(tbEmailTrack, status.Email, status.TrackerId, status.Event, log, status.SgMessageId);
}
else
{
throw new Exception($"Event not mapped {status.Event}.");
}
}
}
catch (Exception ex)
{
log.LogError("An error has occurred: {0}", ex);
throw;
}
}
public static async Task ProcessEmailQueue(
[QueueTrigger(EMAIL_QUEUE)] OutgoingEmail emailQueue,
[Table(EMAIL_TRACK)] CloudTable tbEmailTrack,
[Table(EMAIL_BLOCKED)] CloudTable tbEmailBlocked,
int dequeueCount,
ILogger log)
{
log.LogInformation($"New email to send. Dequeue count for this message: {dequeueCount}.");
try
{
var toEmail = emailQueue.ToAddress.Email;
//Check whether the recipient of the message is blocked
//TODO: Change this method to check if the email is blocked calling a SendGrid Api
var recipientIsBlocked = await EmailBlocker.CheckIfBlocked(toEmail, tbEmailBlocked);
if (recipientIsBlocked)
{
log.LogInformation($"Can't send email to {toEmail} because it has been blocked");
await EmailTracker.Update(tbEmailTrack, toEmail, emailQueue.TrackerId, Event.Blocked, log);
return;
}
var response = await SendMail.SendSingleEmail(emailQueue.FromAddress, emailQueue.ToAddress, emailQueue.Subject, emailQueue.Body,
emailQueue.TrackerId, log);
if (!SuccessStatusCodes.Contains(response.StatusCode))
{
throw new Exception($"Error sending mail. SendGrid response {response.StatusCode}");
}
//Track that email request was sent
await EmailTracker.Update(tbEmailTrack, toEmail, emailQueue.TrackerId, Event.SendRequested, log, response.MessageId);
}
catch (Exception ex)
{
log.LogError("An error has occurred: {0}", ex);
throw;
}
}