hnc_cancer_predict/app/models/hnc_cancer_predict_mapping_file.rb

# encoding: utf-8
class HncCancerPredictMappingFile
  include Mongoid::Document
  include Mongoid::Timestamps
  mount_uploader :temp_file, HncHeadImagesUploader
  
  def file_identifier
    filename = self.temp_file.file.original_filename rescue ""
  end
end