/**
* Clean related contents to a theme (before save)
*
* @param EventObserver $observer
* @return void
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function execute(EventObserver $observer)
{
$theme = $observer->getEvent()->getData('theme');
if (!$theme instanceof \Magento\Framework\View\Design\ThemeInterface) {
return;
}
/** @var $theme \Magento\Framework\View\Design\ThemeInterface */
if ($this->themeConfig->isThemeAssignedToStore($theme)) {
throw new \Magento\Framework\Exception\LocalizedException(__('Theme isn\'t deletable.'));
}
$this->themeImageFactory->create(['theme' => $theme])->removePreviewImage();
$this->updateCollection->addThemeFilter($theme->getId())->delete();
}
