class Notification::RemoveDuplicateNotificationJob < ApplicationJob queue_as :default def perform(notification) return unless notification.is_a?(Notification) user_id = notification.user_id primary_actor_id = notification.primary_actor_id # Find older notifications with the same user and primary_actor_id, excluding the new one duplicate_notifications = Notification.where(user_id: user_id, primary_actor_id: primary_actor_id) .where.not(id: notification.id) duplicate_notifications.each(&:destroy) end end