Method ServeV1Shape

internal/http/query.go:144–184

(w http.ResponseWriter, r *http.Request, params httprouter.Params)

}

func (api *API) ServeV1Shape(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
	ctx, cancel := api.contextForRequest(r)
	defer cancel()
	select {
	case <-ctx.Done():
		jsonResponse(w, http.StatusBadRequest, "Cancelled")
		return
	default:
	}
	h, err := api.GetHandleForRequest(r)
	if err != nil {
		jsonResponse(w, http.StatusBadRequest, err)
		return
	}
	l := query.GetLanguage(params.ByName("query_lang"))
	if l == nil {
		jsonResponse(w, http.StatusBadRequest, "Unknown query language.")
		return
	} else if l.HTTP == nil {
		jsonResponse(w, http.StatusBadRequest, "HTTP interface is not supported for this query language.")
		return
	}
	ses := l.HTTP(h.QuadStore)
	bodyBytes, err := ioutil.ReadAll(r.Body)
	if err != nil {
		jsonResponse(w, http.StatusBadRequest, err)
		return
	}
	code := string(bodyBytes)

	output, err := GetQueryShape(code, ses)
	if err == query.ErrParseMore {
		jsonResponse(w, http.StatusBadRequest, "Incomplete data?")
		return
	} else if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		WriteError(w, err)
		return
	}
	w.Write(output)
}