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

    @staticmethod
    def from_firestore_dict(source):
        updated_at = source['updated_at']
        email = source['email']
        url = source['url']
        result = LinkPojo(email=email, url=url, updated_at=updated_at)
        return result