/**
* Deletes all referenced external data
*
* @param VersionInfo $versionInfo
* @param array $fieldIds
* @param array $context
*
* @return boolean
*/
public function deleteFieldData(VersionInfo $versionInfo, array $fieldIds, array $context)
{
if (empty($fieldIds)) {
return;
}
$gateway = $this->getGateway($context);
$referencedFiles = $gateway->getReferencedFiles($fieldIds, $versionInfo->versionNo);
$gateway->removeFileReferences($fieldIds, $versionInfo->versionNo);
$referenceCountMap = $gateway->countFileReferences($referencedFiles);
foreach ($referenceCountMap as $filePath => $count) {
if ($count === 0) {
try {
$binaryFile = $this->IOService->loadBinaryFile($filePath);
$this->IOService->deleteBinaryFile($binaryFile);
} catch (NotFoundException $e) {
if (isset($this->logger)) {
$filePath = $this->IOService->getInternalPath($filePath);
$this->logger->error("BinaryFile with ID {$filePath} not found");
}
}
}
}
}
public function getInternalPath($externalId)
{
return $this->publishedIOService->getInternalPath($externalId);
}
