handler_helpers.go

package ss13_se

import (
	"fmt"
	"net/http"

	"github.com/gorilla/mux"
)

type HttpError struct {
	Status int
	Err    error
}

func (s HttpError) Error() string {
	return fmt.Sprintf("%d %s", s.Status, s.Err.Error())
}

type handlerVars map[string]string

type handler func(http.ResponseWriter, *http.Request, handlerVars) error

func (h handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
	//start := time.Now()
	err := h(rw, req, mux.Vars(req))
	//dur := time.Since(start)

	if err != nil {
		switch e := err.(type) {
		case HttpError:
			http.Error(rw, e.Error(), e.Status)
		default:
			http.Error(rw, http.StatusText(http.StatusInternalServerError),
				http.StatusInternalServerError)
		}
	}

	//log.Printf("%s %s \t%s \terr: %v\n",
	//req.RemoteAddr,
	//req.Method,
	//req.URL.String(),
	//req.UserAgent(),
	//dur,
	//resp.Status,
	//err,
	//)
}