PHP code example of hostnet / entity-revision-component

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

hostnet / entity-revision-component example snippets

use Acme\Bundle\AcmeBundle\AcmeRevisionFactory;
use Hostnet\Component\EntityRevision\Resolver\RevisionResolver;
use Hostnet\Component\EntityTracker\Listener\EntityChangedListener;
use Hostnet\Component\EntityTracker\Provider\EntityAnnotationMetadataProvider;
use Hostnet\Component\EntityTracker\Provider\EntityMutationMetadataProvider;

/* @var $em \Doctrine\ORM\EntityManager */
$event_manager = $em->getEventManager();

// default doctrine annotation reader
$annotation_reader = new AnnotationReader();

// setup  annotation
$revision_resolver = new RevisionResolver($annotation_metadata_provider);

// this factory will provide the revision and as author Henk
$revision_factory = new AcmeRevisionFactory('Henk');

// creating the revision listener
$revision_listener = new RevisionListener($revision_resolver, $revision_factory);

$event_manager->addEventListener('preFlush', $entity_changed_listener);
$event_manager->addEventListener('postFlush', $revision_listener);
$event_manager->addEventListener('entityChanged', $revision_listener);

use Doctrine\ORM\Mapping as ORM;
use Hostnet\Component\EntityRevision\RevisionInterface;

/**
 * @ORM\Entity
 */
class Revision implements RevisionInterface
{
       
    /**
     * @ORM\...
     */
    private $author;
    
    /**
     * @ORM\...
     */
    private $created_at;
    
    public function __construct($author, \DateTime $created_at)
    {
        $this->author     = $author;
        $this->created_at = $created_at;
    }
    
    public function getUser()
    { 
        return $this->author;
    }

    public function getCreatedAt()
    {
        return $this->created_at;
    }
}

use Doctrine\ORM\Mapping as ORM;
use Hostnet\Component\EntityRevision\RevisionableInterface;

/**
 * @ORM\Entity
 * @Revision
 */
class MyEntity implements RevisionableInterface
{
    /**
     * The current revision of the contact person
     *
     * @ORM\ManyToOne(targetEntity="Revision")
     * @ORM\JoinColumn(name="revision_id", referencedColumnName="id")
     * @var Revision
     */
    private $revision;
    
    public function setRevision(RevisionInterface $revision)
    {
        $this->revision = $revision;
    }
    
    public function getRevision()
    {
        return $this->revision;
    }
}

namespace Acme\Bundle\AcmeBundle;

use Hostnet\Component\EntityRevision\Factory\RevisionFactoryInterface;

class AcmeRevisionFactory implements RevisionFactoryInterface
{
    private $author;
    
    public function __construct($author)
    {
        $this->author = $author;
    }

    public function createRevision(\DateTime $created_at)
    {
        return new Revision($this->author, $created_at);
    }
}

// imagine all instances to be Revisionable
$user->setName('Henk');
$address->setNumber('42');
$em->flush();
var_dump($user->getRevision() === $address->getRevision()); // true