module UploadsActions include Gitlab::Utils::StrongMemoize UPLOAD_MOUNTS = %w(avatar attachment file logo header_logo).freeze def create link_to_file = UploadService.new(model, params[:file], uploader_class).execute respond_to do |format| if link_to_file format.json do render json: { link: link_to_file } end else format.json do render json: 'Invalid file.', status: :unprocessable_entity end end end end # This should either # - send the file directly # - or redirect to its URL # def show return render_404 unless uploader&.exists? if uploader.file_storage? disposition = uploader.image_or_video? ? 'inline' : 'attachment' expires_in 0.seconds, must_revalidate: true, private: true send_file uploader.file.path, disposition: disposition else redirect_to uploader.url end end private def uploader_class raise NotImplementedError end def upload_mount mounted_as = params[:mounted_as] mounted_as if UPLOAD_MOUNTS.include?(mounted_as) end def uploader_mounted? upload_model_class < CarrierWave::Mount::Extension && !upload_mount.nil? end def uploader strong_memoize(:uploader) do if uploader_mounted? model.public_send(upload_mount) # rubocop:disable GitlabSecurity/PublicSend else build_uploader_from_upload || build_uploader_from_params end end end def build_uploader_from_upload return nil unless params[:secret] && params[:filename] upload_path = uploader_class.upload_path(params[:secret], params[:filename]) upload = Upload.find_by(uploader: uploader_class.to_s, path: upload_path) upload&.build_uploader end def build_uploader_from_params uploader = uploader_class.new(model, secret: params[:secret]) return nil unless uploader.model_valid? uploader.retrieve_from_store!(params[:filename]) uploader end def image_or_video? uploader && uploader.exists? && uploader.image_or_video? end def find_model nil end def model strong_memoize(:model) { find_model } end end