App\Models\Forum\Topic::lock PHP Method

    public function lock($lock = true)
    {
        DB::transaction(function () use($lock) {
            if ($lock === true) {
                $newStatus = static::STATUS_LOCKED;
                $logOperation = 'LOG_LOCK';
            } else {
                $newStatus = static::STATUS_UNLOCKED;
                $logOperation = 'LOG_UNLOCK';
            }
            $this->update(['topic_status' => $newStatus]);
            Log::logModerateForumTopic($logOperation, $this);
        });
    }