func AuthMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		ctx := context.Get(req)
		articleName := ctx.Params.ByName("article")

		if strings.Contains(articleName, "secret") {
			w.WriteHeader(403)
			fmt.Fprint(w, "Sorry, this is security site")
			return
		}
		next.ServeHTTP(w, req)
	})
}
func ShowArticle(w http.ResponseWriter, r *http.Request) {
	ctx := context.Get(r)
	databasePath := "src/GoDay5/database" + "/" + ctx.Params.ByName("article")

	// Test connect database
	session := rethinkdb.Connect()
	rethinkdb.CreateTable(session)

	html, err := loadMarkdown.FromFile(databasePath)
	if err != nil {
		w.WriteHeader(404)
		fmt.Fprint(w, "Not found")
		fmt.Println(err)
	}

	w.Header().Add("Content-Type", "text/html")
	w.WriteHeader(200)
	w.Write(html)
}