/**
* @param MassActionHandlerArgs $args
*
* @return MassDeleteLimitResult
*/
public function getLimitResult(MassActionHandlerArgs $args)
{
$query = $args->getResults()->getSource();
$resultsForSelected = new DeletionIterableResult($query);
$deletableQuery = $this->cloneQuery($query);
$accessLimitedQuery = $this->aclHelper->apply($deletableQuery, 'DELETE');
$resultsForDelete = new DeletionIterableResult($accessLimitedQuery);
return new MassDeleteLimitResult($resultsForSelected->count(), $resultsForDelete->count());
}
/**
* {@inheritDoc}
*/
public function handle(MassActionHandlerArgs $args)
{
$iteration = 0;
$entityName = null;
$entityIdentifiedField = null;
$results = new DeletionIterableResult($args->getResults()->getSource());
$results->setBufferSize(self::FLUSH_BATCH_SIZE);
// batch remove should be processed in transaction
$this->entityManager->beginTransaction();
try {
// if huge amount data must be deleted
set_time_limit(0);
foreach ($results as $result) {
/** @var $result ResultRecordInterface */
$entity = $result->getRootEntity();
if (!$entity) {
// no entity in result record, it should be extracted from DB
if (!$entityName) {
$entityName = $this->getEntityName($args);
}
if (!$entityIdentifiedField) {
$entityIdentifiedField = $this->getEntityIdentifierField($args);
}
$entity = $this->getEntity($entityName, $result->getValue($entityIdentifiedField));
}
if ($entity) {
if ($this->securityFacade->isGranted('DELETE', $entity)) {
$this->entityManager->remove($entity);
$iteration++;
}
if ($iteration % self::FLUSH_BATCH_SIZE == 0) {
$this->finishBatch();
}
}
}
if ($iteration % self::FLUSH_BATCH_SIZE > 0) {
$this->finishBatch();
}
$this->entityManager->commit();
} catch (\Exception $e) {
$this->entityManager->rollback();
throw $e;
}
return $this->getResponse($args, $iteration);
}
