class Thumbnail < ApplicationRecord attr_accessible :uploaded_data # mass assigned by attachment_fu attr_accessible :content_type, :filename, :thumbnail_resize_options, :thumbnail, :parent_id has_attachment :storage => :file_system, :content_type => :image, :max_size => UploadedFile.max_size, processor: 'Rmagick' validates_as_attachment sanitize_filename postgresql_attachment_fu end