class LinkPojo():
    def __init__(self, url, email, updated_at, ip_country):
        self.url = url
        self.email = email
        self.updated_at = updated_at
        self.ip_country = ip_country

    @staticmethod
    def from_firestore_dict(source):
        updated_at = source['updated_at']
        email = source['email']
        url = source['url']
        ip_country = "FR"
        if source.get('ip_country'):
            ip_country = source['ip_country']
        result = LinkPojo(email=email, url=url, updated_at=updated_at, ip_country=ip_country)
        return result