class MOdrFile < ApplicationRecord belongs_to :m_odr_rep belongs_to :m_odr_file_type mount_uploader :file, OdrUploader validates :file, :presence => true before_create { generate_token() } def generate_token() begin self[:token] = SecureRandom.urlsafe_base64 end while MOdrFile.exists?(:token => self[:token]) end def rotate(degrees=90) versions = [self.file.path] versions.each do |v| image = Magick::ImageList.new(v) image = image.rotate(degrees) image.write(v) end self.file.recreate_versions!(:secure, :secure_thumb) self.updated_at = Time.now self.save end end