Session : OK
MongoDB : OK

- Pecah sms-server ke package-package
- Rapikan Folder Templates

switch r.Method {
   case "GET":
       // Serve the resource.
   case "POST":
       // Create a new record.
   case "PUT":
       // Update an existing record.
   case "DELETE":
       // Remove the record.
   default:
       // Give an error message.
}

package main

  import (
      "fmt"
      "github.com/gorilla/mux"
      "github.com/gorilla/sessions"
      // "github.com/fzzy/radix/redis"
      // "github.com/fatih/structs"
      "net"
      "net/http"
      "html/template"
      "gopkg.in/mgo.v2"         
      "gopkg.in/mgo.v2/bson"
      "regexp"
      "strings"
      "crypto/rand"
      "time"
      "strconv"
      // "encoding/json"
      // "reflect"
  )

  var (
      // MongoDB
      mongoConfig       = "mongodb://localhost:27017/admin"
      MongoSession, err = mgo.Dial(mongoConfig)
      MDB               = MongoSession.DB("admin")
      BlogCol           = MDB.C("blog")
      UserCol           = MDB.C("user")

      // Session
      store             = sessions.NewCookieStore([]byte("something-very-secret"))

      // Blog
      skipHome          = 0
      limit             = 10
      rowsNum           = 10

      // Tag Factory
      tagPattern        = "#([a-z]|[A-Z]|[_])+"

      // Path
      templatePath      = "D:\\PROJECTS\\GO-APP\\webkoe\\templates\\"
      publicPath        = "D:\\PROJECTS\\GO-APP\\webkoe\\public\\"
  )

  func cekKodeJabatan(r *http.Request) string {
      session,_       := store.Get(r, "session-name")
      kode_jabatan    := fmt.Sprintf("%s", session.Values["kode_jabatan"])
      return kode_jabatan  
  }

  func SmsHomeHandler(w http.ResponseWriter, r *http.Request) {

      if cekKodeJabatan(r) == "" {
          http.Redirect(w, r, "/login", 301)
          fmt.Println(cekKodeJabatan(r))
          fmt.Println("*** @home -> No Data ")
      }else{
          templates := template.Must(template.New("").ParseFiles(templatePath + "sms-base.html", templatePath + "sms-home.html"))
          err := templates.ExecuteTemplate(w, "base", cekKodeJabatan(r))
          if err != nil {
              http.Error(w, err.Error(), http.StatusInternalServerError)
          }        
      }
  }

  func SmsLoginFormHandler(w http.ResponseWriter, r *http.Request) {

      if cekKodeJabatan(r) == "" {
          templates := template.Must(template.New("").ParseFiles(templatePath + "sms-base.html", templatePath + "sms-loginform.html"))
          err := templates.ExecuteTemplate(w, "base", nil)
          if err != nil {
              http.Error(w, err.Error(), http.StatusInternalServerError)
          }
      }else{
          http.Redirect(w, r, "/", 301)
      }
  }  

  func SmsPostLoginHandler(w http.ResponseWriter, r *http.Request) {
      
      if cekKodeJabatan(r) == "" {
          username          := r.FormValue("username")
          password          := r.FormValue("password")

          var results map[string]interface{}
          err = UserCol.Find(bson.M{"username": username, "password" : password}).One(&results)
          if err != nil {
              http.Redirect(w, r, "/#error", 301)
          }else{
              kode_jabatan, _ := results["kode_jabatan"]
              session, _                     := store.Get(r, "session-name")
              session.Values["kode_jabatan"]  = kode_jabatan
              session.Save(r, w)
              http.Redirect(w, r, "/", 301)
          }
      }else{
          http.Redirect(w, r, "/", 301)
      }
  }

  func SmsLogoutHandler(w http.ResponseWriter, r *http.Request) {
      
      session, _                     := store.Get(r, "session-name")
      session.Values["kode_jabatan"]  = ""
      session.Save(r, w)

      http.Redirect(w, r, "/", 301)
  }

  func safehtml(text string) template.HTML { 

      text = text + " "
      text = strings.Replace(text, "<", "<", -1)   
      text = strings.Replace(text, ">", ">", -1) 
        
      text = strings.Replace(text, "", "

", "", -1) text = strings.Replace(text, "", "", -1) text = strings.Replace(text, "", "", -1) text = strings.Replace(text, "", "", -1) text = strings.Replace(text, "", "", -1) text = strings.Replace(text, "", "", -1) text = strings.Replace(text, "=", "=", -1) text = strings.Replace(text, "<a href=", "", "", -1) text = strings.Replace(text, "<img src=", "", ">", -1) regexPagar, _ := regexp.Compile(tagPattern) tags := regexPagar.FindAllString(text, -1) for _ , value := range tags { tagAscii := strings.Replace(value, "#", "#", 1) tagOnly := strings.Replace(value, "#", "", 1) text = strings.Replace(text, value, "" + tagAscii + "", 1) } return template.HTML(text) } func timeFormatter(text string) template.HTML { text = strings.Replace(text, " ", "-", -1) text = strings.Replace(text, ":", "-", -1) split := strings.Split(text, "-") tahun, _ := strconv.Atoi(split[0]) bulan, _ := strconv.Atoi(split[1]) tanggal, _ := strconv.Atoi(split[2]) jam, _ := strconv.Atoi(split[3]) menit, _ := strconv.Atoi(split[4]) detik, _ := strconv.Atoi(split[5]) var _bulan time.Month if bulan == 1 { _bulan = time.January }else if bulan == 2 { _bulan = time.February }else if bulan == 3{ _bulan = time.March }else if bulan == 4{ _bulan = time.April }else if bulan == 5{ _bulan = time.May }else if bulan == 6{ _bulan = time.June }else if bulan == 7{ _bulan = time.July }else if bulan == 8{ _bulan = time.August }else if bulan == 9{ _bulan = time.September }else if bulan == 10{ _bulan = time.October }else if bulan == 11{ _bulan = time.November }else if bulan == 12{ _bulan = time.December } // const layout = "Mon Jan 2, 2006 at 3:04pm (MST)" (MST) --> WITA const layout = "Mon, 2 Jan 2006 3:04 pm" t := time.Date(tahun, _bulan, tanggal, jam, menit, detik, 0, time.Local) return template.HTML(t.Format(layout)) } func randStr(strSize int, randType string) string { var dictionary string if randType == "alphanum" { dictionary = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" } if randType == "alpha" { dictionary = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" } if randType == "number" { dictionary = "0123456789" } var bytes = make([]byte, strSize) rand.Read(bytes) for k, v := range bytes { bytes[k] = dictionary[v%byte(len(dictionary))] } return string(bytes) } func GetIP(r *http.Request) string { if ipProxy := r.Header.Get("X-FORWARDED-FOR"); len(ipProxy) > 0 { return ipProxy } ip, _, _ := net.SplitHostPort(r.RemoteAddr) return ip } func main() { mx := mux.NewRouter() // *** home *** mx.HandleFunc("/", SmsHomeHandler) // *** login *** mx.HandleFunc("/login", SmsLoginFormHandler).Methods("GET") mx.HandleFunc("/login", SmsPostLoginHandler).Methods("POST") // *** logout *** mx.HandleFunc("/logout", SmsLogoutHandler).Methods("GET") // *** static server *** mx.PathPrefix("/").Handler(http.FileServer(http.Dir( publicPath ))) http.ListenAndServe(":80", mx) } #go #script

Was it worth it?

Yes, a million times, yes. The speed boost is just too good to pass up. Also, and this counts for something I think, Go is a trendy language right now, so when it comes to recruiting, I think having Go as a critical part of Repustate’s tech stack will help.