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# Decorated proxy object representing of multiple attachments to a model.
class ActiveStorage::Attached::Many < ActiveStorage::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
Version data entries
7 entries across 7 versions & 1 rubygems