How to update/rename a carrierwave uploaded file?

Question

I cant figure out how to update/rename a file uploaded/managed with Carrierwave-mongoid in rails 3.2.6. I want to rename the file in the db as well as on the filesystem.

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Answer 1

Based on @user892583, I worked on it and came up with a simpler solution:

def rename!(new_name)
  new_path = File.join(File.dirname(file.file), new_name)
  file.move_to(new_path)
end