private void ProcessQueueMessage(CloudQueueMessage msg)
{
Trace.TraceInformation("Processing queue message {0}", msg);
// Queue message contains AdId.
var adId = int.Parse(msg.AsString);
//Ad ad = Task.Run<Ad>(async () => await repository.FetchbyAdId(adId)).Result;
Ad ad = repository.Ads.FirstOrDefault(p => p.AdId == adId);
if (ad == null)
{
throw new Exception(String.Format("AdId {0} not found, can't create thumbnail", adId.ToString()));
}
Uri blobUri = new Uri(ad.ImageURL);
string blobName = blobUri.Segments[blobUri.Segments.Length - 1];
CloudBlockBlob inputBlob = this.imagesBlobContainer.GetBlockBlobReference(blobName);
string thumbnailName = Path.GetFileNameWithoutExtension(inputBlob.Name) + "thumb.jpg";
CloudBlockBlob outputBlob = this.imagesBlobContainer.GetBlockBlobReference(thumbnailName);
using (Stream input = inputBlob.OpenRead())
using (Stream output = outputBlob.OpenWrite())
{
ConvertImageToThumbnailJPG(input, output);
outputBlob.Properties.ContentType = "image/jpeg";
}
Trace.TraceInformation("Generated thumbnail in blob {0}", thumbnailName);
ad.ThumbnailURL = outputBlob.Uri.ToString();
// repository.updateAd(ad);
Task.Run <int>(async() => await repository.updateAd(ad));
Trace.TraceInformation("Updated thumbnail URL in database: {0}", ad.ThumbnailURL);
// Remove message from queue.
this.imagesQueue.DeleteMessage(msg);
}