module ActionText::Attachable

def from_node(node)
  if attachable = attachable_from_sgid(node["sgid"])
    attachable
  elsif attachable = ActionText::Attachables::ContentAttachment.from_node(node)
    attachable
  elsif attachable = ActionText::Attachables::RemoteImage.from_node(node)
    attachable
  else
    ActionText::Attachables::MissingAttachable
  end
end