/**
* 静态方法, 单例统一访问入口
* @return object 返回对象的唯一实例
*/
public static function getInstance()
{
if (is_null(self::$_instance) || !isset(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* 删除文件
* @param int $id
* @return bool
*/
public function deleteFile($id)
{
$model = $this->getModelById($id);
if (isset($model)) {
$file = $this->db2Item($model);
//删除FileMeta
MiniFileMeta::getInstance()->cleanFileMetaByPath($file["file_path"]);
//删除tag数据
MiniTag::getInstance()->deleteByFileId($id);
//Version数据减一
$versionId = $file["version_id"];
MiniVersion::getInstance()->updateRefCountByIds(array($versionId), false);
//删除share_files
MiniLink::getInstance()->unlink($id);
//删除user_privilege
MiniUserPrivilege::getInstance()->deleteByFilePath($file["file_path"]);
//删除自己
$model->delete();
}
return true;
}
