func (api *API) ServeV1Shape(w http.ResponseWriter, r *http.Request, params httprouter.Params) int { h, err := api.GetHandleForRequest(r) var ses query.HTTP switch params.ByName("query_lang") { case "gremlin": ses = gremlin.NewSession(h.QuadStore, api.config.Timeout, false) case "mql": ses = mql.NewSession(h.QuadStore) default: return jsonResponse(w, 400, "Need a query language.") } bodyBytes, err := ioutil.ReadAll(r.Body) if err != nil { return jsonResponse(w, 400, err) } code := string(bodyBytes) result, err := ses.Parse(code) switch result { case query.Parsed: var output []byte var err error output, err = GetQueryShape(code, ses) if err != nil { return jsonResponse(w, 400, err) } fmt.Fprint(w, string(output)) return 200 case query.ParseFail: return jsonResponse(w, 400, err) default: return jsonResponse(w, 500, "Incomplete data?") } }