main.go

package main

import (
	"net/http"
	"time"

	"github.com/gorilla/mux"
)

func main() {

	// fs := http.FileServer(http.Dir("./docs/html"))
	// http.Handle("/", fs)
	//
	// log.Println("Listening...")
	// http.ListenAndServe(":3000", nil)

	r := NewStack()
	svr := http.Server{
		Addr:    "0.0.0.0:3000",
		Handler: r,
	}

	svr.ListenAndServe()
}

// NewStack returns a mux router with all the routes/middleware for the service attached to it
func NewStack() *mux.Router {
	// Create a new mux router
	r := mux.NewRouter().StrictSlash(true)

	// Range over the Routes array and add a new endpoint to the mux router with the proper values
	for _, route := range Routes {
		var handler http.Handler
		handler = route.HandlerFunc

		r.Methods(route.Method).Path(route.Pattern).Name(route.Name).Handler(
			handler,
		)
	}

	return r
}

// Route is an object that represents a route for the service
type Route struct {
	Name        string `json:"name"`
	Method      string `json:"method"`
	Pattern     string `json:"path"`
	Timestamp   string `json:"timestamp"`
	HandlerFunc http.HandlerFunc
}

// Routes array will hold all the routes for the service
var Routes = []Route{
	Route{
		"Docs",
		"GET",
		"/",
		time.Now().Format(time.RFC3339),
		ServeDocs,
	},
}

// ServeDocs returns a static html file to the ResponseWriter
// that contains the documentation for the microservice
func ServeDocs(w http.ResponseWriter, r *http.Request) {
	// Get the path for the docs
	path := "./docs/html"

	// Create the file server
	fs := http.FileServer(http.Dir(path))

	fs.ServeHTTP(w, r)
}