nemmo\attachments\Module::attachFile PHP Method

    public function attachFile($filePath, $owner)
    {
        if (empty($owner->id)) {
            throw new Exception('Parent model must have ID when you attaching a file');
        }
        if (!file_exists($filePath)) {
            throw new Exception("File {$filePath} not exists");
        }
        $fileHash = md5(microtime(true) . $filePath);
        $fileType = pathinfo($filePath, PATHINFO_EXTENSION);
        $newFileName = "{$fileHash}.{$fileType}";
        $fileDirPath = $this->getFilesDirPath($fileHash);
        $newFilePath = $fileDirPath . DIRECTORY_SEPARATOR . $newFileName;
        if (!copy($filePath, $newFilePath)) {
            throw new Exception("Cannot copy file! {$filePath}  to {$newFilePath}");
        }
        $file = new File();
        $file->name = pathinfo($filePath, PATHINFO_FILENAME);
        $file->model = $this->getShortClass($owner);
        $file->itemId = $owner->id;
        $file->hash = $fileHash;
        $file->size = filesize($filePath);
        $file->type = $fileType;
        $file->mime = FileHelper::getMimeType($filePath);
        if ($file->save()) {
            unlink($filePath);
            return $file;
        } else {
            return false;
        }
    }