/**
* @param string $fid
* @return InputFile
*/
public function remove($fid)
{
$fileInfo = $this->get($fid);
$involvedFiles = [];
if ($fileInfo->reference) {
// soft link should be deleted immediately
$this->fileMetaModel->remove($fileInfo->id);
$fileInfo->refCount--;
$involvedFiles[] = $fileInfo;
// decrease the source file reference count by 1
$involvedFiles[] = $this->fileMetaModel->decrFileRefCountById($fileInfo->reference);
} else {
// Source file is deleted and some other files refer to it
// do nothing
if ($fileInfo->deleted && $fileInfo->refCount > 0) {
return;
}
// soft delete
if ($fileInfo->refCount > 1) {
$fileInfo = $this->fileMetaModel->softRemove($fileInfo);
} else {
$this->fileMetaModel->remove($fileInfo->id);
// make sure the storage node would remove the file
$fileInfo->refCount = 0;
}
$involvedFiles[] = $fileInfo;
}
if ($this->fileContainer) {
foreach ($involvedFiles as $file) {
$this->fileContainer->remove($file);
}
}
}
/**
* Remove file
* @param $id string file id
* @return bool|null
*/
public function remove($id)
{
// wait if the file is locked
if (!$this->locker->lock($id)) {
FileException::pop("The file \"{$id}\" is locked. Try later.");
}
$fileMeta = new FileMeta();
$fileContainer = new FileContainer();
$fileContainer->addHandler(new StorageNodeHandler());
$fileContainer->addHandler(new NodeMetaHandler());
$fileMeta->setFileContainer($fileContainer);
$fileMeta->remove($id);
$fileContainer->dump();
$this->locker->unlock($id);
return true;
}
