Symfony 索纳塔管理图像场
我正在使用Sonata Admin后端,我想在我的用户实体中添加一个新的图像字段,它是一个化身。因为我已经在使用Symfony 索纳塔管理图像场,symfony,sonata-admin,sonata-media-bundle,Symfony,Sonata Admin,Sonata Media Bundle,我正在使用Sonata Admin后端,我想在我的用户实体中添加一个新的图像字段,它是一个化身。因为我已经在使用SonataMediaBundle,所以我遵循了本教程: 以下是我的实体配置: /** * @var \Application\Sonata\MediaBundle\Entity\Media * * @ORM\ManyToOne(targetEntity="Application\Sonata\MediaBundle\Entity\Media", cascad
SonataMediaBundle
,所以我遵循了本教程:
以下是我的实体配置:
/**
* @var \Application\Sonata\MediaBundle\Entity\Media
*
* @ORM\ManyToOne(targetEntity="Application\Sonata\MediaBundle\Entity\Media", cascade={"all"}, fetch="LAZY")
* @ORM\JoinColumn(name="avatar_id", referencedColumnName="id")
*/
protected $avatar;
不幸的是,我有很多问题:
找不到id为(6)的“Application\Sonata\MediaBundle\Entity\media”类型的实体
我解决了所有3个问题!我在这里为所有有同样困难的人提出了我的解决办法
config.yml
文件中:
twig:
# Sonata form themes
form_themes:
- 'SonataMediaBundle:Form:media_widgets.html.twig'
在我的UserAdmin
中:
->with('Profile')
->add('avatar', 'sonata_media_type', array(
'provider' => 'sonata.media.provider.image',
'context' => 'default',
))
->end()
现在将显示预览:)
onDelete=“SET NULL”
:
/**
* @var \Application\Sonata\MediaBundle\Entity\Media
*
* @ORM\ManyToOne(targetEntity="Application\Sonata\MediaBundle\Entity\Media", cascade={"persist"}, fetch="LAZY")
* @ORM\JoinColumn(name="avatar_id", referencedColumnName="id", onDelete="SET NULL")
*/
protected $avatar;
SonataMediaBundle
源代码,发现了以下代码片段:
/**
* Returns media urls for each format.
*
* @ApiDoc(
* requirements={
* {"name"="id", "dataType"="integer", "requirement"="\d+", "description"="media id"}
* },
* statusCodes={
* 200="Returned when successful",
* 404="Returned when media is not found"
* }
* )
*
* @param $id
*
* @return array
*/
public function getMediumFormatsAction($id)
{
$media = $this->getMedium($id);
$formats = array(MediaProviderInterface::FORMAT_REFERENCE);
$formats = array_merge($formats, array_keys($this->mediaPool->getFormatNamesByContext($media->getContext())));
$provider = $this->mediaPool->getProvider($media->getProviderName());
$properties = array();
foreach ($formats as $format) {
$properties[$format]['url'] = $provider->generatePublicUrl($media, $format);
$properties[$format]['properties'] = $provider->getHelperProperties($media, $format);
}
return $properties;
}
因此,我将其包含在源代码中,完整的处理程序如下所示:
<?php
namespace AppBundle\Serializer;
use Application\Sonata\MediaBundle\Entity\Media;
use JMS\Serializer\Context;
use JMS\Serializer\GraphNavigator;
use JMS\Serializer\Handler\SubscribingHandlerInterface;
use JMS\Serializer\JsonSerializationVisitor;
use Sonata\MediaBundle\Provider\MediaProviderInterface;
class MediaHandler implements SubscribingHandlerInterface
{
private $mediaPool;
public function __construct($mediaPool)
{
$this->mediaPool = $mediaPool;
}
public static function getSubscribingMethods()
{
return array(
array(
'direction' => GraphNavigator::DIRECTION_SERIALIZATION,
'format' => 'json',
'type' => 'Application\Sonata\MediaBundle\Entity\Media',
'method' => 'serializeToJson',
),
);
}
public function serializeToJson(JsonSerializationVisitor $visitor, Media $media, array $type, Context $context)
{
$formats = array(MediaProviderInterface::FORMAT_REFERENCE);
$formats = array_merge($formats, array_keys($this->mediaPool->getFormatNamesByContext($media->getContext())));
$provider = $this->mediaPool->getProvider($media->getProviderName());
$properties = array();
foreach ($formats as $format) {
$properties[$format]['url'] = $provider->generatePublicUrl($media, $format);
$properties[$format]['properties'] = $provider->getHelperProperties($media, $format);
}
return $properties;
}
}
就这些
<?php
namespace AppBundle\Serializer;
use Application\Sonata\MediaBundle\Entity\Media;
use JMS\Serializer\Context;
use JMS\Serializer\GraphNavigator;
use JMS\Serializer\Handler\SubscribingHandlerInterface;
use JMS\Serializer\JsonSerializationVisitor;
use Sonata\MediaBundle\Provider\MediaProviderInterface;
class MediaHandler implements SubscribingHandlerInterface
{
private $mediaPool;
public function __construct($mediaPool)
{
$this->mediaPool = $mediaPool;
}
public static function getSubscribingMethods()
{
return array(
array(
'direction' => GraphNavigator::DIRECTION_SERIALIZATION,
'format' => 'json',
'type' => 'Application\Sonata\MediaBundle\Entity\Media',
'method' => 'serializeToJson',
),
);
}
public function serializeToJson(JsonSerializationVisitor $visitor, Media $media, array $type, Context $context)
{
$formats = array(MediaProviderInterface::FORMAT_REFERENCE);
$formats = array_merge($formats, array_keys($this->mediaPool->getFormatNamesByContext($media->getContext())));
$provider = $this->mediaPool->getProvider($media->getProviderName());
$properties = array();
foreach ($formats as $format) {
$properties[$format]['url'] = $provider->generatePublicUrl($media, $format);
$properties[$format]['properties'] = $provider->getHelperProperties($media, $format);
}
return $properties;
}
}
app.serializer.media:
class: AppBundle\Serializer\MediaHandler
arguments:
- '@sonata.media.pool'
tags:
- { name: jms_serializer.subscribing_handler }