module ActiveStorage # Decorated proxy object representing of multiple attachments to a model. class Attached::Many < Attached delegate_missing_to :attachments # Returns all the associated attachment records. # # All methods called on this proxy object that aren't listed here will automatically be delegated to `attachments`. def attachments record.public_send("#{name}_attachments") end # Associates one or several attachments with the current record, saving them to the database. # Examples: # # document.images.attach(params[:images]) # Array of ActionDispatch::Http::UploadedFile objects # document.images.attach(params[:signed_blob_id]) # Signed reference to blob from direct upload # document.images.attach(io: File.open("~/racecar.jpg"), filename: "racecar.jpg", content_type: "image/jpg") # document.images.attach([ first_blob, second_blob ]) def attach(*attachables) attachables.flatten.collect do |attachable| attachments.create!(name: name, blob: create_blob_from(attachable)) end end # Returns true if any attachments has been made. # # class Gallery < ActiveRecord::Base # has_many_attached :photos # end # # Gallery.new.photos.attached? # => false def attached? attachments.any? end # Directly purges each associated attachment (i.e. destroys the blobs and # attachments and deletes the files on the service). def purge if attached? attachments.each(&:purge) attachments.reload end end # Purges each associated attachment through the queuing system. def purge_later if attached? attachments.each(&:purge_later) end end end end