func startHttp()

in game/go-server-gate/cmd/server.go [88:145]
52 lines of code
9 McCabe index (conditional complexity)

func startHttp() {

	http.HandleFunc("/login", func(w http.ResponseWriter, r *http.Request) {
		res, err := pkg.Login(context.TODO(), r.URL.Query().Get("name"))
		if err != nil {
			responseWithOrigin(w, r, 200, []byte(err.Error()))
			return
		}

		b, err := json.Marshal(res)
		if err != nil {
			responseWithOrigin(w, r, 200, []byte(err.Error()))
			return
		}
		responseWithOrigin(w, r, 200, b)
	})

	http.HandleFunc("/score", func(w http.ResponseWriter, r *http.Request) {
		reqBody, err := ioutil.ReadAll(r.Body)
		if err != nil {
			logger.Error(err.Error())
		}
		var info pojo.Info
		err = json.Unmarshal(reqBody, &info)
		if err != nil {
			responseWithOrigin(w, r, 500, []byte(err.Error()))
			return
		}
		res, err := pkg.Score(context.TODO(), info.Name, strconv.Itoa(info.Score))
		if err != nil {
			responseWithOrigin(w, r, 200, []byte(err.Error()))
			return
		}

		b, err := json.Marshal(res)
		if err != nil {
			responseWithOrigin(w, r, 200, []byte(err.Error()))
			return
		}
		responseWithOrigin(w, r, 200, b)
	})

	http.HandleFunc("/rank", func(w http.ResponseWriter, r *http.Request) {
		res, err := pkg.Rank(context.TODO(), r.URL.Query().Get("name"))
		if err != nil {
			responseWithOrigin(w, r, 200, []byte(err.Error()))
			return
		}
		b, err := json.Marshal(res)
		if err != nil {
			responseWithOrigin(w, r, 200, []byte(err.Error()))
			return
		}
		responseWithOrigin(w, r, 200, b)
	})

	_ = http.ListenAndServe("127.0.0.1:8089", nil)
}