Goji - adding routes based on a map

README.md

Final draft of my question at Stackoverflow. Created by DaveC

main.go

package main

import (
	"encoding/json"
	"net/http"

	"github.com/zenazn/goji"
	"github.com/zenazn/goji/web"
)

var routes []Route

func init() {
	routes = []Route{
		Route{"Get", goji.Get, "/index", hello},
		Route{"Get", goji.Get, "/sitemap", sitemap},
	}
}

type Route struct {
	Method  string                                 `json:"method"`
	add     func(web.PatternType, web.HandlerType) `json:"-"`
	Pattern string                                 `json:"pattern"`
	Handler web.HandlerType                        `json:"-"`
}

var methods = map[string]func(web.PatternType, web.HandlerType){
	"Get":    goji.Get,
	"Post":   goji.Post,
	"PATCH":  goji.Patch,
	"PUT":    goji.Put,
	"Delete": goji.Delete,
}

func (r Route) Add() {
	r.add(r.Pattern, r.Handler)
}

func hello(c web.C, w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("Hello world"))
}

func sitemap(c web.C, w http.ResponseWriter, r *http.Request) {
	resp, err := json.MarshalIndent(routes, "", "    ")

	if err != nil {
		http.Error(w, "Can't generate the response properly.", 500)
	}

	w.Write(resp)
}

func main() {
	for _, r := range routes {
		r.Add()
	}
	goji.Serve()
}