func()

in statefun-sdk-go/v3/pkg/statefun/handler.go [127:158]

• 27 lines of code
• 8 McCabe index (conditional complexity)

func (h *handler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
	if request.Method != "POST" {
		http.Error(writer, "invalid request method", http.StatusMethodNotAllowed)
		return
	}

	contentType := request.Header.Get("Content-type")
	if contentType != "" && contentType != "application/octet-stream" {
		http.Error(writer, "invalid content type", http.StatusUnsupportedMediaType)
		return
	}

	if request.Body == nil || request.ContentLength == 0 {
		http.Error(writer, "empty request body", http.StatusBadRequest)
		return
	}

	buffer := bytes.Buffer{}
	if _, err := buffer.ReadFrom(request.Body); err != nil {
		http.Error(writer, err.Error(), http.StatusBadRequest)
		return
	}

	response, err := h.Invoke(request.Context(), buffer.Bytes())
	if err != nil {
		log.Println(err.Error())
		http.Error(writer, err.Error(), http.StatusInternalServerError)
		return
	}

	_, _ = writer.Write(response)
}