learn-go/snippetbox/cmd/web/handlers.go

package main

import (
	"fmt"
	"html/template"
	"net/http"
	"strconv"
)

// home ...
func (app *application) home(w http.ResponseWriter, r *http.Request)  {
	if r.URL.Path != "/" {
		http.NotFound(w, r)
		return
	}

	files := []string{
		"./ui/html/base.tmpl",
		"./ui/html/partials/nav.tmpl",
		"./ui/html/pages/home.tmpl",
	}

	ts, err := template.ParseFiles(files...)
	if err != nil {
		app.serverError(w, r, err)
		return
	}

	err = ts.ExecuteTemplate(w, "base", nil)
	if err != nil {
		app.serverError(w, r, err)
	}
}

// snippetView ...
func (app *application) snippetView(w http.ResponseWriter, r *http.Request)  {
	id, err := strconv.Atoi(r.URL.Query().Get("id"))
	if err != nil || id < 1 {
		app.notFound(w)
		return
	}

	fmt.Fprintf(w, "It's snippet id: %d", id)
}

// snippetCreate ...
func (app *application) snippetCreate(w http.ResponseWriter, r *http.Request)  {
	w.Header().Set("Allow", "POST")

	if r.Method != http.MethodPost {
		app.clientError(w, http.StatusMethodNotAllowed)
		return
	}

	w.Write([]byte("Creating a snippet!"))
}