/**
* deletes both filesystem file and metafile and removes instance from lookup array
* filesystem file will be kept when $keepFilesystemFile is TRUE
*
* @param boolean $keepFilesystemFile
*
* @throws Exception
*/
public function delete($keepFilesystemFile = FALSE)
{
FileEvent::create(FileEvent::BEFORE_METAFILE_DELETE, $this)->trigger();
if (Application::getInstance()->getDb()->deleteRecord('files', $this->id)) {
unset(self::$instancesById[$this->id]);
unset(self::$instancesByPath[$this->filesystemFile->getPath()]);
if (!$keepFilesystemFile) {
$this->filesystemFile->delete();
}
} else {
throw new MetaFileException("Delete of metafile '{$this->filesystemFile->getPath()}' failed.");
}
}
/**
* creates a meta file based on filesystem file
* @return MetaFile
* @throws FilesystemFileException
*/
public function createMetaFile()
{
$db = Application::getInstance()->getDb();
if (count($db->doPreparedQuery("\n\t\t\tSELECT\n\t\t\t\tf.filesID\n\t\t\tFROM\n\t\t\t\tfiles f\n\t\t\t\tINNER JOIN folders fo ON fo.foldersID = f.foldersID\n\t\t\tWHERE\n\t\t\t\tf.File COLLATE utf8_bin = ? AND\n\t\t\t\tfo.Path COLLATE utf8_bin = ?\n\t\t\tLIMIT 1", array($this->filename, $this->folder->getRelativePath())))) {
throw new FilesystemFileException("Metafile '{$this->filename}' in '{$this->folder->getRelativePath()}' already exists.", FilesystemFileException::METAFILE_ALREADY_EXISTS);
}
$mf = $this->folder->createMetaFolder();
$user = User::getSessionUser();
if (!($filesID = $db->insertRecord('files', array('foldersID' => $mf->getId(), 'File' => $this->filename, 'Mimetype' => $this->getMimetype(), 'createdBy' => is_null($user) ? NULL : $user->getAdminId())))) {
throw new FilesystemFileException("Could not create metafile for '{$this->filename}'.", FilesystemFileException::METAFILE_CREATION_FAILED);
} else {
$mf = MetaFile::getInstance(NULL, $filesID);
FileEvent::create(FileEvent::AFTER_METAFILE_CREATE, $this)->trigger();
return $mf;
}
}
