def METHOD_NAME():
    """
    get a list of graphids that have html export templates available.
    """
    valid_graphs = []
    existing_graphids = GraphModel.objects.filter(isresource=True).values_list("graphid", flat=True)
    for existing_graphid in existing_graphids:
        if HtmlWriter.has_html_template(existing_graphid):
            valid_graphs.append(str(existing_graphid))
    return valid_graphs