public async Task<ActionResult> Create(
[Bind(Include = "Title,Price,Description,Category,Phone")] Ad ad,
HttpPostedFileBase imageFile)
{
CloudBlockBlob imageBlob = null;
// A production app would implement more robust input validation.
// For example, validate that the image file size is not too large.
if (ModelState.IsValid)
{
if (imageFile != null && imageFile.ContentLength != 0)
{
imageBlob = await UploadAndSaveBlobAsync(imageFile);
ad.ImageURL = imageBlob.Uri.ToString();
}
ad.PostedDate = DateTime.Now;
db.Ads.Add(ad);
await db.SaveChangesAsync();
Trace.TraceInformation("Created AdId {0} in database", ad.AdId);
if (imageBlob != null)
{
BlobInformation blobInfo = new BlobInformation() { AdId = ad.AdId, BlobUri = new Uri(ad.ImageURL) };
var queueMessage = new CloudQueueMessage(JsonConvert.SerializeObject(blobInfo));
await thumbnailRequestQueue.AddMessageAsync(queueMessage);
Trace.TraceInformation("Created queue message for AdId {0}", ad.AdId);
}
return RedirectToAction("Index");
}
return View(ad);
}
public async Task<ActionResult> Edit(
[Bind(Include = "AdId,Title,Price,Description,ImageURL,ThumbnailURL,PostedDate,Category,Phone")] Ad ad,
HttpPostedFileBase imageFile)
{
CloudBlockBlob imageBlob = null;
if (ModelState.IsValid)
{
if (imageFile != null && imageFile.ContentLength != 0)
{
// User is changing the image -- delete the existing
// image blobs and then upload and save a new one.
await DeleteAdBlobsAsync(ad);
imageBlob = await UploadAndSaveBlobAsync(imageFile);
ad.ImageURL = imageBlob.Uri.ToString();
}
db.Entry(ad).State = EntityState.Modified;
await db.SaveChangesAsync();
Trace.TraceInformation("Updated AdId {0} in database", ad.AdId);
if (imageBlob != null)
{
BlobInformation blobInfo = new BlobInformation() { AdId = ad.AdId, BlobUri = new Uri(ad.ImageURL) };
var queueMessage = new CloudQueueMessage(JsonConvert.SerializeObject(blobInfo));
await thumbnailRequestQueue.AddMessageAsync(queueMessage);
Trace.TraceInformation("Created queue message for AdId {0}", ad.AdId);
}
return RedirectToAction("Index");
}
return View(ad);
}
