app/uploaders/comic_image_uploader.rb
# encoding: utf-8
class ComicImageUploader < CarrierWave::Uploader::Base
def cache_dir
"#{Rails.root}/tmp/uploads"
end
def store_dir
"images/comics/#{model.comic_id}/#{model.id}"
end
# Provide a default URL as a default if there hasn't been a file uploaded:
# def default_url
# "/images/fallback/" + [version_name, "default.png"].compact.join('_')
# end
def extension_white_list
%w(jpg jpeg gif png)
end
end