class UploadService def initialize(model, file, uploader_class = FileUploader) @model, @file, @uploader_class = model, file, uploader_class end def execute return nil unless @file && @file.size <= max_attachment_size uploader = @uploader_class.new(@model) uploader.store!(@file) uploader.to_h end private def max_attachment_size Gitlab::CurrentSettings.max_attachment_size.megabytes.to_i end end