func()

in golang/go-guestbook/src/backend/main.go [93:117]

• 22 lines of code
• 5 McCabe index (conditional complexity)

func (s *guestbookServer) postMessageHandler(w http.ResponseWriter, r *http.Request) {
	defer r.Body.Close()

	var v guestbookEntry
	if err := json.NewDecoder(r.Body).Decode(&v); err != nil {
		http.Error(w, fmt.Sprintf("failed to decode request body into json: %+v", err), http.StatusBadRequest)
		return
	}
	if v.Author == "" {
		http.Error(w, "empty 'author' value", http.StatusBadRequest)
		return
	}
	if v.Message == "" {
		http.Error(w, "empty 'message' value", http.StatusBadRequest)
		return
	}

	v.Date = time.Now()

	if err := s.db.addEntry(r.Context(), v); err != nil {
		http.Error(w, fmt.Sprintf("failed to save entry: %+v", err), http.StatusInternalServerError)
		return
	}
	log.Printf("entry saved: author=%q message=%q", v.Author, v.Message)
}