public async Task <Transmission> RunAsync([QueueTrigger("send-emails")] SendEmailQueueItem sendEmailQueueItem,
ILogger logger)
{
// create transmission object and assign partition and row keys.
var transmission = new Transmission()
{
TransmittedOnUtc = DateTime.UtcNow,
ReferenceToFeedbackRowKey = sendEmailQueueItem.ReferenceToFeedbackRowKey,
ReferenceToReservationRowKey = sendEmailQueueItem.ReferenceToReservationRowKey,
};
transmission.GeneratePartitionAndRowKeys(sendEmailQueueItem.ReciepientAddress, null);
// add img element to html content for registering open events in this webhook uri.
var body = AddWebhookUrl(sendEmailQueueItem.HtmlContent, $"asdf.net?tId={transmission.RowKey}");
var tries = 1;
bool transmissionWasSuccessful = false;
// make 3 attempts to send an email.
do
{
try
{
await _emailUtil.SendEmailAsync(sendEmailQueueItem.ReciepientAddress, sendEmailQueueItem.Subject, body);
transmissionWasSuccessful = true;
}
catch (Exception exc)
{
transmissionWasSuccessful = false;
}
finally
{
tries++;
}
} while (tries < 3 && !transmissionWasSuccessful);
// update transmission's status upon transmission attempts.
transmission.Status = transmissionWasSuccessful ? TransmissionStatus.Sent : TransmissionStatus.Unsuccessful;
// return and add to transmissions table.
return(transmission);
}
public static async Task RunAsync([QueueTrigger("email-opened-wbhks")] string transmissionId,
[Table("Transmissions")] CloudTable transmissionsTable,
ILogger logger)
{
// create a new transmission with an updated opened status.
var transmissionToUpdate = new Transmission()
{
Opened = true,
};
// assign row and partition keys as the transmission id to updated in the table.
transmissionToUpdate.GeneratePartitionAndRowKeys();
// insert or merge transmission as read.
var insertOrMergeTableOperation = TableOperation.InsertOrMerge(transmissionToUpdate);
// execute operation.
await transmissionsTable.ExecuteAsync(insertOrMergeTableOperation);
}
