how to go through RIAKCS&RIAK to manage files

railsConsole.rb

# Create a user in RIAK & RIAKCS
  # Get the user
  Me = User.find_by_index(:email, "[email protected]")
  Me = User.find '52820a5994da266b19000002'
  # Or create a new one
  Me = User.new username:'Micka2', email:'[email protected]', firstname:'micka2', lastname:'cassy2', password:'testtest2', password_confirmation:'testtest2'
  Me.save
# In RIAKCS, Use FOG
  # Instanciate the Fog API to go through RIAKCS
  s3 = Fog::Storage.new RiakCS::BucketManager.get_credentials(Me.key_id, Me.key_secret)
  # List all directories
  s3.directories
  # Count files in first directory
  s3.directories[0].files.count
  # Delete a file
  s3.directories[0].files[0].destroy
# In RIAK, use the model
  # Delete a file in RIAK
  Resource.get_root_by_user(Me.key)[0].destroy

# URL TO UPLOAD
curl -s -v -T [pathtofile] -H 'x-amz-acl:public-read' -H 'Content-Type: [Content/Type]' -X PUT [url]
eg:
curl -s -v -T ./test.jpeg -H 'x-amz-acl:public-read' -H 'Content-Type: image/jpeg' -X PUT http://52820a5994da266b19000002.data.riak.dev/6c4e8d0a-4b8c-11e3-a672-10ddb1b55777?AWSAccessKeyId=KCLM2T6CHH8UCVMSDU-X&Expires=1384291223&Signature=yuGmh2qTwa4VPVjvTyVvfwP0jMc%3D

DOC: http://fog.io/storage/