def get_doc_content(content):
    """
    Return the doc fields from request (not auth-related fields).
    """
    return {
        "title": content.get("title"),
        "link": content.get("link"),
        "tags": content.get("tags"),
        "authors": content.get("authors"),
        "year": content.get("year"),
        "notes": content.get("notes"),
        "read": content.get("read"),
    }