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# frozen_string_literal: true
require "active_support/core_ext/module/delegation"
# Attachments associate records with blobs. Usually that's a one record-many blobs relationship,
# but it is possible to associate many different records with the same blob. If you're doing that,
# you'll want to declare with <tt>has_one/many_attached :thingy, dependent: false</tt>, so that destroying
# any one record won't destroy the blob as well. (Then you'll need to do your own garbage collecting, though).
class ActiveStorage::Attachment < ActiveRecord::Base
self.table_name = "active_storage_attachments"
belongs_to :record, polymorphic: true, touch: true
belongs_to :blob, class_name: "ActiveStorage::Blob"
delegate_missing_to :blob
after_create_commit :analyze_blob_later, :identify_blob
# Synchronously purges the blob (deletes it from the configured service) and destroys the attachment.
def purge
destroy
blob.purge
end
# Destroys the attachment and asynchronously purges the blob (deletes it from the configured service).
def purge_later
destroy
blob.purge_later
end
private
def identify_blob
blob.identify
end
def analyze_blob_later
blob.analyze_later unless blob.analyzed?
end
end
Version data entries
24 entries across 24 versions & 2 rubygems