olympiamanagement/app/models/olympia_images_uploader.rb

# encoding: utf-8
require 'carrierwave/orm/activerecord'
class OlympiaImagesUploader < CarrierWave::Uploader::Base
  include CarrierWave::MiniMagick
  # Include RMagick or ImageScience support:
  # include CarrierWave::RMagick
  # include CarrierWave::ImageScience

  # Choose what kind of storage to use for this uploader:
  storage :file
  # storage :s3

  # Override the directory where uploaded files will be stored.
  # This is a sensible default for uploaders that are meant to be mounted:
  def store_dir
	return "uploads/#{model.class.to_s.underscore}/olympia_students/#{model.id}/"
  end

    # override
  def filename
    @original_filename
  end

  def cache_dir
    "#{Rails.root}/tmp/uploads"
  end

end