/** * Prepare data for save * * @param \Magento\Framework\Model\AbstractModel $object * @return array */ protected function _prepareDataForSave(\Magento\Framework\Model\AbstractModel $object) { $currentTime = $this->dateTime->now(); if ((!$object->getId() || $object->isObjectNew()) && !$object->getCreatedAt()) { $object->setCreatedAt($currentTime); } $object->setUpdatedAt($currentTime); $data = parent::_prepareDataForSave($object); return $data; }