/**
* Pre Flush event callback
*
* Checks if the entity contains an @Tracked (or derived)
* annotation. If so, it will attempt to calculate changes
* made and dispatch 'Events::ENTITY_CHANGED' with the current
* and original entity states. Note that the original entity
* is not managed.
*
* @param PreFlushEventArgs $event
*/
public function preFlush(PreFlushEventArgs $event)
{
$em = $event->getEntityManager();
$changes = $this->meta_mutation_provider->getFullChangeSet($em);
foreach ($changes as $updates) {
if (0 === count($updates)) {
continue;
}
if (false === $this->meta_annotation_provider->isTracked($em, current($updates))) {
continue;
}
foreach ($updates as $entity) {
if (!$this->meta_mutation_provider->isEntityManaged($em, $entity) || $entity instanceof Proxy && !$entity->__isInitialized()) {
continue;
}
$original = $this->meta_mutation_provider->createOriginalEntity($em, $entity);
// New entities are handled in the pre-persist event.
if (!$original) {
continue;
}
$mutated_fields = $this->meta_mutation_provider->getMutatedFields($em, $entity, $original);
if (!empty($mutated_fields)) {
$this->logger->debug('Going to notify a change (preFlush) to {entity_class}, which has {mutated_fields}', ['entity_class' => get_class($entity), 'mutated_fields' => $mutated_fields]);
$em->getEventManager()->dispatchEvent(Events::ENTITY_CHANGED, new EntityChangedEvent($em, $entity, $original, $mutated_fields));
}
}
}
}
public function testCreateOriginalEntityIdentity()
{
$gallery = new Gallery('Riverstreet 12');
$gallery->addVisitor('Foo de Bar');
$this->em->persist($gallery);
$this->em->flush();
$gallery->addVisitor('Bar Baz');
$this->em->getUnitOfWork()->computeChangeSets();
$this->em->flush();
$original = $this->provider->createOriginalEntity($this->em, $gallery);
self::assertSame($gallery->getId(), $original->getId());
}
public function testCreateOriginalEntityEmpty()
{
$entity = new MockEntity();
$metadata = $this->buildMetadata($entity, ['id'], ['parent']);
$this->uow->expects($this->once())->method('getOriginalEntityData')->willReturn([]);
$this->em->expects($this->once())->method('getClassMetadata')->willReturn($metadata);
$provider = new EntityMutationMetadataProvider($this->reader);
$this->assertEquals(null, $provider->createOriginalEntity($this->em, $entity));
}
/**
* Pre Flush event callback
*
* Checks if the entity contains an @Tracked (or derived)
* annotation. If so, it will attempt to calculate changes
* made and dispatch 'Events::entityChanged' with the current
* and original entity states. Note that the original entity
* is not managed.
*
* @param PreFlushEventArgs $event
*/
public function preFlush(PreFlushEventArgs $event)
{
$em = $event->getEntityManager();
$changes = $this->meta_mutation_provider->getFullChangeSet($em);
foreach ($changes as $updates) {
if (empty($updates)) {
continue;
}
if (false === $this->meta_annotation_provider->isTracked($em, current($updates))) {
continue;
}
foreach ($updates as $entity) {
if (!$this->meta_mutation_provider->isEntityManaged($em, $entity) || $entity instanceof Proxy) {
continue;
}
$original = $this->meta_mutation_provider->createOriginalEntity($em, $entity);
$mutated_fields = $this->meta_mutation_provider->getMutatedFields($em, $entity, $original);
if (!empty($mutated_fields)) {
$this->logger->info('Going to notify a change to {entity_class}, which has {mutated_fields}', ['entity_class' => get_class($entity), 'mutated_fields' => $mutated_fields]);
$em->getEventManager()->dispatchEvent(Events::entityChanged, new EntityChangedEvent($em, $entity, $original, $mutated_fields));
}
}
}
}
