1 files changed, 30 insertions, 0 deletions
diff --git a/lib/active_storage/attachment.rb b/lib/active_storage/attachment.rb
new file mode 100644
index 0000000000..20c619aa5a
--- /dev/null
+++ b/lib/active_storage/attachment.rb
@@ -0,0 +1,30 @@
+require "active_storage/blob"
+require "global_id"
+require "active_support/core_ext/module/delegation"
+
+# Schema: id, record_gid, blob_id, created_at
+class ActiveStorage::Attachment < ActiveRecord::Base
+  self.table_name = "active_storage_attachments"
+
+  belongs_to :blob, class_name: "ActiveStorage::Blob"
+
+  delegate_missing_to :blob
+
+  def record
+    @record ||= GlobalID::Locator.locate(record_gid)
+  end
+
+  def record=(record)
+    @record = record
+    self.record_gid = record&.to_gid
+  end
+
+  def purge
+    blob.purge
+    destroy
+  end
+
+  def purge_later
+    ActiveStorage::PurgeJob.perform_later(self)
+  end
+end