我做的AdvertPlatform與Symfony的2.5和PHP 5.3。Symfony2的一對多關係
我想添加一項功能:當用戶看到(通過點擊它)廣告時,我們可以看到一條文字"Seen by : {{username}}"
。
我開始用的關係添加nammed AdvertReader
一個新的實體一對多Advert
和AdvertReader
之間:
Advert.php:
/**
* Advert
*
* @ORM\Table()
* @ORM\Entity(repositoryClass="Society\PerfclientBundle\Entity\AdvertRepository")
* @ORM\HasLifecycleCallbacks()
* @UniqueEntity(fields="title", message="Une annonce existe déjà avec ce titre.")
*/
class Advert
{
public function __construct()
{
$this->date = new \Datetime();
}
/**
*
* @ORM\OneToMany(targetEntity="Society\PerfclientBundle\Entity\AdvertReader", mappedBy="advert", cascade={"persist"})
*/
private $readers;
/**
* @var integer
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var \DateTime
*
* @ORM\Column(name="date", type="datetime")
*/
private $date;
/**
* @var string
*
* @ORM\Column(name="title", type="string", length=255, unique=true)
*
* @Assert\Length(min=10, minMessage="Le titre de l'annonce doit faire au moins {{ limit }} caractères.")
*/
private $title;
/**
* @var string
*
* @ORM\Column(name="category", type="string", length=255)
*/
private $category;
/**
* @var string
*
* @ORM\Column(name="author", type="string", length=255)
*/
private $author;
/**
* @var string
*
* @ORM\Column(name="content", type="text")
* @Assert\Length(min=10, minMessage="Le contenu de l'annonce doit faire au moins {{ limit }} caractères.")
*/
private $content;
/**
* @ORM\Column(name="updated_at", type="datetime", nullable=true)
*/
private $updatedAt;`
AdvertReader.php:
/**
* AdvertReader
*
* @ORM\Table()
* @ORM\Entity
*/
class AdvertReader
{
/**
* @var integer
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @ORM\ManyToOne(targetEntity="Society\PerfclientBundle\Entity\Advert", inversedBy="readers")
* @ORM\JoinColumn(name="advert_id", referencedColumnName="id")
*/
private $advert;
/**
* @var string
*
* @ORM\Column(name="username", type="string", length=255)
*/
private $username;
/**
* @var \DateTime
*
* @ORM\Column(name="created_at", type="datetime")
*/
private $createdAt;
/**
* @var \DateTime
*
* @ORM\Column(name="updated_at", type="datetime")
*/
private $updatedAt;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set advert
*
* @param integer $advert
* @return AdvertReader
*/
public function setAdvert($advert)
{
$this->advert = $advert;
return $this;
}
/**
* Get advert
*
* @return integer
*/
public function getAdvert()
{
return $this->advert;
}
/**
* Set username
*
* @param string $username
* @return AdvertReader
*/
public function setUsername($username)
{
$this->username = $username;
return $this;
}
/**
* Get username
*
* @return string
*/
public function getUsername()
{
return $this->username;
}
而我的viewAction ()
/**
* @param $id
* @return Response
*/
public function viewAction($id)
{
// On récupère le repository
$repository = $this->getDoctrine()
->getManager()
->getRepository('SocietyPerfclientBundle:Advert')
;
$advert = $repository->find($id);
if (null === $advert) {
throw new NotFoundHttpException("L'annonce d'id ".$id." n'existe pas.");
}
$securityContext = $this->container->get('security.context');
$user = $securityContext->getToken()->getUser();
if ($securityContext->isGranted('IS_AUTHENTICATED_FULLY')) {
$em = $this->getDoctrine()->getManager();
$queryBuilder = $em->createQueryBuilder();
$query = $queryBuilder->select('count(ar.id)')
->from('SocietyPerfclientBundle:AdvertReader', 'ar')
->where('ar.advert = :advert')
->andWhere('ar.username = :username')
->setParameter('advert', $advert->getId())
->setParameter('username', $user->getUsername())
->getQuery();
$advertReaderCount = $query->getSingleScalarResult();
if ($advertReaderCount <= 0) {
// l'utilisateur lis pour la 1er fois
$advertReader = new AdvertReader;
$advertReader->setAdvert($advert->getId());
$advertReader->setUpdatedAt(new \DateTime);
$advertReader->setUsername($user->getUsername());
$advertReader->setCreatedAt(new \DateTime);
$em->persist($advertReader);
$em->flush();
}
}
return $this->render('SocietyPerfclientBundle:Default:view.html.twig', array(
'advert' => $advert,
));
}
教義:模式:驗證 - > [映射] OK [數據庫] OK
Error500 ORM例外:在關聯社會\ PerfclientBundle \實體\ AdvertReader#廣告類型的實測值的實體,但期待學會\ PerfclientBundle \ Entity \ Advert
Stack Trace Profiler: UnitOfWork - > computeAssociationChanges(array('fieldName'=>'advert','joinColumns'=> array(array('name'=>'advert_id','unique' =>假, '可爲空'=>真, 'onDelete'=>空值, 'columnDefinition'=>空值, 'referencedColumnName'=>的 'id')), '級聯'=>數組(), 'inversedBy'=> '讀者','targetEntity'=>'Soc iety \ PerfclientBundle \實體\廣告 ' '取'=> '2', '類型'=> '2', '的mappedBy'=>空值, 'isOwningSide'=>真, 'sourceEntity'=>' 學會\ PerfclientBundle \實體\ AdvertReader ' 'isCascadeRemove'=>假, 'isCascadePersist'=>假, 'isCascadeRefresh'=>假, 'isCascadeMerge'=>假, 'isCascadeDetach'=>假, 'sourceToTargetKeyColumns'=>數組(' advert_id '=>的 'id'), 'joinColumnFieldNames'=>數組(' advert_id」 => 'advert_id'), 'targetToSourceKeyColumns'=>陣列( 'ID'=> 'advert_id'), 'orphanRemoval'=>假), '26')
這有什麼錯我的實體關係? 請幫我:)
如果可能,請嘗試移動到新版本。這並不難,也非常有益。 – svgrafov