用戶可以擁有包含許多圖片的相冊,他可以刪除圖片或上傳新圖片。我希望專輯有1張或更多圖片,但不能爲空(0)。因此,在用戶刪除圖片之前,我希望能夠檢查圖片的數量是否超過一個,如果它少於一個,則顯示一個flashbag消息,通知用戶他的相冊中不能有0張照片。刪除元素之前的條件[symfony2]
這我做了什麼:
/**
* @Security("has_role('ROLE_USER')")
*/
public function avatarUserDeletedAction($id)
{
$em = $this->getDoctrine()->getManager();
$entity = $em->getRepository('ApplicationSonataUserBundle:Avatar')->find($id);
if ($this->container->get('security.token_storage')->getToken()->getUser() != $entity->getUser() || !$entity)
return $this->redirect($this->generateUrl('avatarUser'));
$em->remove($entity);
$em->flush();
return $this->redirect($this->generateUrl('avatarUser'));
//return $this->redirectToRoute('avatarUser');
}
地址:
/**
* @Security("has_role('ROLE_USER')")
*/
public function avatarUserDeletedAction(Request $request,$id)
{
$em = $this->getDoctrine()->getManager();
$entity = $em->getRepository('ApplicationSonataUserBundle:Avatar')->find($id);
if ($entity == 1) {
$request->getSession()
->getFlashBag()
->add('success', 'You cannot have less than 1 picture');
} else{
if ($this->container->get('security.token_storage')->getToken()->getUser() != $entity->getUser() || !$entity)
return $this->redirect($this->generateUrl('avatarUser'));
$em->remove($entity);
$em->flush();
}
return $this->redirect($this->generateUrl('avatarUser'));
//return $this->redirectToRoute('avatarUser');
}
我有以下錯誤:
注意:Object類應用程序\索納塔\ UserBundle \實體\ Avatar 無法轉換爲int
執行你沒有爲檢查添加任何條件呢。那麼,你想知道如何在代碼中添加條件嗎? –