package httpapi import ( "encoding/json" "log" "net/http" ) type errorBody struct { Error struct { Code string `json:"code"` Message string `json:"message"` } `json:"error"` } func writeJSON(w http.ResponseWriter, status int, v any) { w.Header().Set("Content-Type", "application/json") w.WriteHeader(status) if err := json.NewEncoder(w).Encode(v); err != nil { log.Printf("encode response failed: %v", err) } } func writeError(w http.ResponseWriter, status int, code string, message string) { var b errorBody b.Error.Code = code b.Error.Message = message writeJSON(w, status, b) }