public async Task DetectAndBlurFaces(
[EventGridTrigger] EventGridEvent eventGridEvent,
ILogger logger
)
{
CustomEventData inputEventData =
((JObject)eventGridEvent.Data).ToObject <CustomEventData>();
var correlationId = LoggingHelper.GetCorrelationId(inputEventData);
#region Logging
logger.LogInformation(
new EventId((int)LoggingConstants.EventId.DetectAndBlurFacesStarted),
LoggingConstants.Template,
LoggingConstants.EventId.DetectAndBlurFacesStarted.ToString(),
correlationId,
LoggingConstants.ProcessingFunction.DetectAndBlurFaces.ToString(),
LoggingConstants.ProcessStatus.Started,
"Execution Started"
);
#endregion
CustomEventData outputEventData = new CustomEventData
{
ImageUrl = inputEventData.ImageUrl,
TicketNumber = inputEventData.TicketNumber,
DistrictOfInfraction = inputEventData.DistrictOfInfraction,
DateOfInfraction = inputEventData.DateOfInfraction
};
try
{
var detectedFaces = await _faceHandler
.DetectFacesWithUrlAsync(inputEventData.ImageUrl)
.ConfigureAwait(false);
var imageBytes = await _blobHandler
.DownloadBlobAsync(inputEventData.ImageUrl)
.ConfigureAwait(false);
var blurredImageBytes = await _faceHandler
.BlurFacesAsync(imageBytes, detectedFaces.ToList());
using (MemoryStream ms = new MemoryStream(blurredImageBytes))
{
await _blobHandler.UploadStreamAsBlobAsync(
containerName : _options.BlurredImageContainerName,
stream : ms,
contentType : _options.UploadContentType,
blobName : BlobHelper.GetBlobNameWithExtension(inputEventData.TicketNumber)
)
.ConfigureAwait(false);
}
outputEventData.CustomEvent = CustomEvent.FaceDetectionAndBlurringCompleted.ToString();
#region Logging
logger.LogInformation(
new EventId((int)LoggingConstants.EventId.DetectAndBlurFacesFinished),
LoggingConstants.Template,
LoggingConstants.EventId.DetectAndBlurFacesFinished.ToString(),
correlationId,
LoggingConstants.ProcessingFunction.DetectAndBlurFaces.ToString(),
LoggingConstants.ProcessStatus.Finished,
"Execution Finished"
);
#endregion
}
catch (Exception ex)
{
outputEventData.CustomEvent = CustomEvent.Exceptioned.ToString();
#region Logging
logger.LogInformation(
new EventId((int)LoggingConstants.EventId.DetectAndBlurFacesFinished),
LoggingConstants.Template,
LoggingConstants.EventId.DetectAndBlurFacesFinished.ToString(),
correlationId,
LoggingConstants.ProcessingFunction.DetectAndBlurFaces.ToString(),
LoggingConstants.ProcessStatus.Failed,
$"Execution Failed. Reason: {ex.Message}"
);
#endregion
}
await _eventhandler.PublishEventToTopicAsync(outputEventData)
.ConfigureAwait(false);
}
