func GetRelated(w http.ResponseWriter, r *http.Request, params martini.Params, enc encoding.Encoder, dtx *apicontext.DataContext) string { id, _ := strconv.Atoi(params["part"]) p := products.Part{ ID: id, } parts, err := p.GetRelated(dtx) if err != nil { apierror.GenerateError("Trouble getting related parts", err, w, r) return "" } return encoding.Must(enc.Encode(parts)) }