/** * Save time stamp of last change * * @param EventObserver $event * @return void */ public function saveChangeTime($event) { /** @var $theme \Magento\Theme\Model\Theme|null */ $theme = $event->getTheme() ?: $event->getDataObject()->getTheme(); /** @var $change \Magento\DesignEditor\Model\Theme\Change */ $change = $this->objectManager->create('Magento\\DesignEditor\\Model\\Theme\\Change'); if ($theme && $theme->getId()) { $change->loadByThemeId($theme->getId()); $change->setThemeId($theme->getId())->setChangeTime(null); $change->save(); } }