class Note < ActiveRecord::Base
  def file= file
    if file.present?
      # do something with the file
      if /image/.match(file.content_type)
        type = "Image"
      elsif /video/.match(file.content_type)
        type = "Video"
      else
        type = "Other"
      end

      self.save
      asset = self.assets.create do |a|
        a.type  = type
        a.file  = file
      end

      if type == "Video"
        asset.encode
      end
    end
  end
end