跟进我之前的问题
Doctrine2 ORM OneToOne not working UPDATE changed to ManyToMany but not fully working
我接受了给出的非常有用的答案,因为它指出了我正确的方向。不幸的是,我努力让其余的工作,但由于问题太长而且令人困惑,我开始一个新的问题。
我有一个用户可以写广告的页面。用户还可以将他们喜欢的广告标记为以后在用户部分中查看。
我有3个数据库表
advert (id, advert_title....)
user (id, user_name....)
bookmarks (advert_id, user_id)
正如我之前提出的问题所述,我创建了2个实体,广告和用户实体(见下文)
Advert.php
namespace Advert\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
use DateTime;
use Zend\Stdlib\ArrayObject;
/** Advert
*
* @ORM\Table(name="advert")
* @ORM\Entity(repositoryClass="Advert\Repository\AdvertRepository")
*/
class Advert
{
/**
* @var integer
* @ORM\Column(name="id", type="integer", nullable=false)
* @ORM\Id
* @ORM\GeneratedValue(strategy="IDENTITY")
*/
private $id;
/**
* @ORM\ManyToMany(targetEntity="Advert\Entity\User", mappedBy="bookmarks", cascade={"persist"})
* @ORM\JoinTable(name="bookmarks",
* joinColumns={@ORM\JoinColumn(name="advert_id", referencedColumnName="id")},
* inverseJoinColumns={@ORM\JoinColumn(name="user_id", referencedColumnName="id")}
* )
*/
private $bookmarks;
public function __construct()
{
$this->categories = new ArrayCollection();
$this->images = new ArrayCollection();
$this->advertCreated = new \DateTime("now");
}
/**
* Set ID
*
* @param integer $id
* @return Advert
*/
public function setId($id)
{
$this->id = $id;
return $this;
}
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set bookmark
*
* @param $bookmark
* @return bookmark
*/
public function setBookmark($bookmark)
{
$this->bookmark = $bookmark;
return $this;
}
/**
* Get bookmark
*
* @return ArrayCollection
*/
public function getBookmark()
{
return $this->bookmarks;
}
/**
* @param Collection $bookmark
*/
public function addBookmark($bookmarks)
{
$this->bookmarks->add($bookmarks);
}
/**
* @param Collection $bookmark
*/
public function removeBookmark($bookmarks)
{
$this->bookmarks->removeElement($bookmarks);
}
}
user.php的
namespace Advert\Entity;
use Doctrine\ORM\Mapping as ORM;
use ZfcUser\Entity\User as ZfcUser;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
/**
* User
* @ORM\Table(name="user")
* @ORM\Entity(repositoryClass="Advert\Repository\UserRepository")
*/
class User extends ZfcUser
{
/**
* @var integer
*
* @ORM\Column(name="id", type="integer", nullable=false)
* @ORM\Id
* @ORM\GeneratedValue(strategy="IDENTITY")
*/
protected $id;
/**
* @ORM\ManyToMany(targetEntity="Advert\Entity\Advert", inversedBy="bookmarks", cascade={"persist"})
* @ORM\JoinTable(name="bookmarks",
* joinColumns={@ORM\JoinColumn(name="user_id", referencedColumnName="id")},
* inverseJoinColumns={@ORM\JoinColumn(name="advert_id", referencedColumnName="id")}
* )
*/
private $bookmarks;
public function __construct()
{
$this->bookmarks = new ArrayCollection();
}
public function getBookmarks() {
return $this->bookmarks;
}
/**
* @param Collection $bookmarks
*/
public function addBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->bookmarks->add($bookmark);
}
}
/**
* @param Collection $bookmarks
*/
public function removeBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->bookmarks->removeElement($bookmark);
}
}
}
我现在有一个服务来检查广告是否已经过书签,删除书签或设置书签。这意味着我必须直接将UserId和AdvertId输入到连接表书签中。但是,如果我没有setUserId和setAdvertId的书签实体,我该怎么做?
到目前为止,这是我的服务,最后两个方法(保存和删除)显示我删除书签实体之前使用的内容。我现在如何阅读加入表以检查书签是否已经存在,所以检查userId和advertId?我将如何访问此表以直接删除书签?如果广告被所有者删除,则书签会被删除,这很好,但显然用户还需要能够删除书签。我如何实现这一目标?
BookmarkAdvertService.php
public function checkAdvertBookmarkStatus($advertId)
{
$userId = $this->getUserEntity()->getId();
$advert = $this->getEntityManager()->find('Advert\Entity\Advert', $advertId);
$bookmarkStatus= $advert->getBookmark();
return $bookmarkStatus;
}
public function saveAdvertBookmark($advertId)
{
//this is what I used before
$bookmark = new BookmarkEntity();
$userId = $this->getUserEntity()->getId();
// $bookmark->addBookmark($advertId); ??? like this
$bookmark->setAdvertId($advertId);
$bookmark->setUserId($userId);
# write new bookmmark to database tbl bookmark
$this->getEntityManager()->persist($bookmark);
$this->getEntityManager()->flush();
}
public function removeAdvertBookmark($advertId)
{
// this is what I used before
$userId = $this->getUserEntity()->getId();
$bookmark = $this->getEntityManager()->getRepository('Advert\Entity\Bookmark')
->findOneBy(array('advertId' => $advertId, 'userId' => $userId));
# remove bookmmark from tbl bookmark
$this->getEntityManager()->remove($bookmark);
$this->getEntityManager()->flush();
}
更新1无法使用
我收到2条错误消息:
get_class() expects parameter 1 to be object, string given
vendor\doctrine\common\lib\Doctrine\Common\Persistence\Mapping\MappingException.php:96
Message:
Class '' does not exist
广告\服务\ BookmarkAdvertService.php
class BookmarkAdvertService
{
public function saveAdvertBookmark($advert)
{
$user = $this->getUserEntity()->getId();
# create a new, empty entity
$bookmark = new \Advert\Entity\Bookmark();
$bookmark->setUser($user);
$bookmark->setAdvert($advert);
# write new bookmmark to database tbl bookmark
$this->getEntityManager()->persist($bookmark);
$this->getEntityManager()->flush();
}
广告/实体/ Bookmark.php
namespace Advert\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\Collection;
/** Bookmark
*
* @ORM\Table(name="bookmarks")
* @ORM\Entity(repositoryClass="Advert\Repository\BookmarkRepository")
*/
class Bookmark
{
/**
* @ORM\Id
* @ORM\ManyToOne(targetEntity="Advert\Entity\Advert", inversedBy="bookmark")
* @ORM\JoinColumn(name="advert_id", referencedColumnName="id")
*/
private $advert;
/**
* @ORM\Id
* @ORM\ManyToOne(targetEntity="Advert\Entity\User", inversedBy="bookmark")
* @ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $user;
public function setAdvert($advert)
{
$this->advert = $advert;
return $this;
}
public function getAdvert()
{
return $this->advert;
}
public function setUser($user)
{
$this->user = $user;
return $this;
}
public function getUser()
{
return $this->user;
}
}
广告\实体\ advert.php
namespace Advert\Entity;
use Advert\Entity;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
/** Advert
*
* @ORM\Table(name="advert")
* @ORM\Entity(repositoryClass="Advert\Repository\AdvertRepository")
*/
class Advert
{
/**
* @var integer
*
* @ORM\Column(name="id", type="integer", nullable=false)
* @ORM\Id
* @ORM\GeneratedValue(strategy="IDENTITY")
*/
private $id;
/**
* @ORM\OneToMany(targetEntity="Bookmark", mappedBy="advert", cascade={"persist", "remove"})
* @ORM\JoinColumn(name="advert_id", referencedColumnName="id")
*/
private $bookmarks;
public function setBookmark($bookmark)
{
$this->bookmark = $bookmark;
return $this;
}
/**
* Get bookmark
*
* @return ArrayCollection
*/
public function getBookmarks()
{
return $this->bookmarks;
}
/**
* @param Collection $bookmarks
*/
public function removeBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->bookmarks->removeElement($bookmark);
}
}
广告\实体\ user.php的
namespace Advert\Entity;
use Doctrine\ORM\Mapping as ORM;
use ZfcUser\Entity\User as ZfcUser;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
/**
* User
*
* @ORM\Table(name="user")
* @ORM\Entity(repositoryClass="Advert\Repository\UserRepository")
*/
class User extends ZfcUser
{
/**
* @var integer
*
* @ORM\Column(name="id", type="integer", nullable=false)
* @ORM\Id
* @ORM\GeneratedValue(strategy="IDENTITY")
*/
protected $id;
/**
* @ORM\OneToMany(targetEntity="Bookmark", mappedBy="user", cascade={"persist", "remove"})
* @ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $bookmarks;
public function __construct()
{
$this->bookmarks = new ArrayCollection();
}
public function getBookmarks()
{
return $this->bookmarks;
}
/**
* @param Collection $bookmarks
*/
public function addBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->bookmarks->add($bookmark);
}
}
/**
* @param Collection $bookmarks
*/
public function removeBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->bookmarks->removeElement($bookmark);
}
}
更新2工作
public function saveAdvertBookmark($advertId)
{
$userId = $this->getUserEntity()->getId();
$user = $this->getEntityManager()->find('Advert\Entity\User', $userId);
$advert = $this->getEntityManager()->find('Advert\Entity\Advert', $advertId);
# create a new, empty entity
$bookmark = new \Advert\Entity\Bookmark();
$bookmark->setUser($user);
$bookmark->setAdvert($advert);
# write new bookmmark to database tbl bookmark
$this->getEntityManager()->persist($bookmark);
$this->getEntityManager()->flush();
}
public function removeAdvertBookmark($advert)
{
$user = $this->getUserEntity()->getId();
$advert = $this->getEntityManager()->getRepository('Advert\Entity\Bookmark')
->findOneBy(array('advert' => $advert, 'user' => $user));
if ($advert !== NULL){
# write new bookmmark to database tbl bookmark
$this->getEntityManager()->remove($advert);
$this->getEntityManager()->flush();
}else{
return false;
}
}
答案 0 :(得分:1)
您的映射似乎有误。
在我看来,您的书签本身也是一个实体。该实体有一个User
和一个Advert
。这两个组合创建了一个复合键。
所以从User
到Bookmark
的关系是一对多关系。并为用户提供多对一的书签。
从Advert
到Bookmark
的关系是一对多,从Bookmark
到Advert
多对一。
您的Bookmark
实体应如下所示:
class Bookmark
{
/**
* @ORM\Id
* @ORM\ManyToOne(targetEntity="Advert\Entity\Advert", inversedBy="bookmarks")
* @ORM\JoinColumn(name="advert_id", referencedColumnName="id")
*/
private $advert;
/**
* @ORM\Id
* @ORM\ManyToOne(targetEntity="User\Entity\User", inversedBy="bookmarks")
* @ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $user;
/**
* @param Advert $advert
* @return self
*/
public function setAdvert(Advert $advert)
{
$this->advert = $advert;
$advert->addBookMark($this);
return $this;
}
/**
* @return Advert
*/
public function getAdvert()
{
return $this->advert;
}
/**
* @param User $user
* @return self
*/
public function setUser(User $user)
{
$this->user = $user;
$user->addBookMark($this);
return $this;
}
/**
* @return User
*/
public function getUser()
{
return $this->user;
}
}
然后在User
:
/**
* @ORM\OneToMany(targetEntity="Advert\Entity\BookMark", mappedBy="user", cascade={"remove"})
*/
private $bookmarks;
/**
* @return Collection
*/
public function getBookmarks()
{
return $this->bookmarks;
}
/**
* @param BookMark $bookmark
*/
public function addBookmark(BookMark $bookmark)
{
$this->bookmarks->add($bookmark);
}
/**
* @param Collection $bookmarks
*/
public function addBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->addBookMark($bookmark);
}
}
/**
* @param BookMark $bookmark
*/
public function removeBookmark(BookMark $bookmark)
{
$this->bookmarks->removeElement($bookmark);
}
/**
* @param Collection $bookmarks
*/
public function removeBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->removeBookmark($bookmark);
}
}
在您的Advert
:
/**
* @ORM\OneToMany(targetEntity="Advert\Entity\BookMark", mappedBy="advert", cascade={"remove"})
*/
private $bookmarks;
/**
* @return Collection
*/
public function getBookmarks()
{
return $this->bookmarks;
}
/**
* @param BookMark $bookmark
*/
public function addBookmark(BookMark $bookmark)
{
$this->bookmarks->add($bookmark);
}
/**
* @param Collection $bookmarks
*/
public function addBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->addBookMark($bookmark);
}
}
/**
* @param BookMark $bookmark
*/
public function removeBookmark(BookMark $bookmark)
{
$this->bookmarks->removeElement($bookmark);
}
/**
* @param Collection $bookmarks
*/
public function removeBookmarks(Collection $bookmarks)
{
foreach ($bookmarks as $bookmark) {
$this->removeBookmark($bookmark);
}
}
在您的服务中:
/**
* @param int $advertId
*/
public function saveAdvertBookmark($advertId)
{
$entityManager = $this->getEntityManager():
$user = $this->getUserEntity();
$advert = $entityManager->find('Advert\Entity\Advert', $advertId):
$bookmark = new \Advert\Entity\Bookmark();
$bookmark->setUser($user);
$bookmark->setAdvert($advert);
$entityManager->persist($bookmark);
$entityManager->flush();
}
要在删除User
或Advert
时删除所有书签,只需在这些实体的书签关系中添加cascade={"remove"}
即可。