A naive ruby S3 public url generation

naive_s3.rb

def naive_public_url(shrine_file)
  "https://#{["#{shrine_file.storage.bucket.name}.s3.amazonaws.com", *shrine_file.storage.prefix, shrine_file.id].join('/')}"
end

naive_public_url(model.image)
#=> "https://somebucket.s3.amazonaws.com/path/to/image.jpg"