public void Add(Photo photo, Stream binary, string mimeType, string name)
{
// get just the file name and ignore the path
var file = name.Substring(name.LastIndexOf("\\", StringComparison.OrdinalIgnoreCase) + 1);
var context = new PhotoAlbumDataContext();
try
{
// add the photo to table storage
context.AddObject(PhotoAlbumDataContext.PhotoTable, new PhotoRow(photo));
context.SaveChanges();
}
catch (Exception ex)
{
if (ex.ToString().Contains("EntityAlreadyExists"))
{
throw new PhotoNameAlreadyInUseException(photo.AlbumId, photo.Title);
}
else
{
throw;
}
}
// add the binary to blob storage
var storage = this.storageAccount.CreateCloudBlobClient();
var container = storage.GetContainerReference(photo.Owner.ToLowerInvariant());
container.CreateIfNotExist();
container.SetPermissions(new BlobContainerPermissions { PublicAccess = BlobContainerPublicAccessType.Blob });
var blob = container.GetBlobReference(file);
blob.Properties.ContentType = mimeType;
blob.UploadFromStream(binary);
// post a message to the queue so it can process tags and the sizing operations
this.SendToQueue(
Constants.PhotoQueue,
string.Format(CultureInfo.InvariantCulture, "{0}|{1}|{2}|{3}", photo.Owner, photo.AlbumId, photo.PhotoId, file));
}
public void Delete(Photo photo)
{
var context = new PhotoAlbumDataContext();
var photoRow = new PhotoRow(photo);
context.AttachTo(PhotoAlbumDataContext.PhotoTable, photoRow, "*");
context.DeleteObject(photoRow);
context.SaveChanges();
// tell the worker role to clean up blobs and tags
this.SendToQueue(
Constants.PhotoCleanupQueue,
string.Format(CultureInfo.InvariantCulture, "{0}|{1}|{2}|{3}|{4}|{5}", photo.PhotoId, photo.Owner, photo.Url, photo.RawTags, photo.ThumbnailUrl, photo.AlbumId));
}
public void UpdatePhotoData(Photo photo)
{
var context = new PhotoAlbumDataContext();
var photoRow = new PhotoRow(photo);
// attach and update the photo row
context.AttachTo(PhotoAlbumDataContext.PhotoTable, photoRow, "*");
context.UpdateObject(photoRow);
context.SaveChanges();
}
