Nahid\Talk\Talk::isConversationExists PHP 메소드

    public function isConversationExists($userId)
    {
        if (empty($userId)) {
            return false;
        }
        $user = $this->getSerializeUser($this->authUserId, $userId);
        return $this->conversation->isExistsAmongTwoUsers($user['one'], $user['two']);
    }