I got stuck and I can't figure out how to solve this problem. I am using symfony 3.4 and sonata admin. I have tow entities classes called Certificate and CertificateImage with the following relationships:
class Certificate
{
/**
* @var Certificate
*
* @ORM\OneToOne(targetEntity="CMS3\CoreBundle\Entity\Certificate", inversedBy="child")
* @ORM\JoinColumns({
* @ORM\JoinColumn(name="parent_id", referencedColumnName="id", unique=true)
* })
*/
private $parent;
/**
* @var Certificate
*
* @ORM\OneToOne(targetEntity="CMS3\CoreBundle\Entity\Certificate", mappedBy="parent", orphanRemoval=true)
*/
private $child;
/**
* @var CertificateImage[]|Collection
*
* @ORM\OneToMany(targetEntity="CMS3\CoreBundle\Entity\CertificateImage", mappedBy="certificate", cascade={"persist", "remove"})
*/
private $images;
// getters and setters
}
class CertificateImage
{
/**
* @var Media
*
* @ORM\ManyToOne(targetEntity="Application\Sonata\MediaBundle\Entity\Media", cascade={"persist"})
* @ORM\JoinColumns({
* @ORM\JoinColumn(name="image_id", referencedColumnName="id")
* })
*/
private $image;
/**
* @var Certificate
*
* @ORM\ManyToOne(targetEntity="CMS3\CoreBundle\Entity\Certificate", inversedBy="images")
* @ORM\JoinColumns({
* @ORM\JoinColumn(name="certificate_id", referencedColumnName="id")
* })
*/
private $certificate;
// getters and setters
}
My goal: How can I automatically store images from parent Certificate to child Certificate when creating parent certificate images from sonata configureFormFields method? I really appreciate any idea about how I can achieve this. Thanks in advance.