# Extra methods for uploader
module UploaderHelper
  def image?
    img_ext = %w(png jpg jpeg gif bmp tiff)
    if file.respond_to?(:extension)
      img_ext.include?(file.extension.downcase)
    else
      # Not all CarrierWave storages respond to :extension
      ext = file.path.split('.').last.downcase
      img_ext.include?(ext)
    end
  rescue
    false
  end

  def file_storage?
    self.class.storage == CarrierWave::Storage::File
  end
end