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ui_old.go
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ui_old.go
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package ui
/*
import (
"encoding/json"
"fmt"
"html/template"
"log"
"net"
"net/http"
"path"
"time"
"../model"
"github.com/gorilla/mux"
)
// Config is ...
type Config struct {
Assets http.FileSystem
}
var store = sessions.NewCookieStore(
[]byte("You probably want to change this"),
[]byte("Seriously, I mean it. Change it."))
// Start is ...
func Start(cfg Config, m *model.Model, listener net.Listener) {
server := &http.Server{
ReadTimeout: 60 * time.Second,
WriteTimeout: 60 * time.Second,
MaxHeaderBytes: 1 << 16}
http.Handle("/", requireLogin(indexHandler(m), m))
http.Handle("/users", requireLogin(usersHandler(m), m))
http.Handle("/login", loginHandler(m))
http.Handle("/logout", logoutHandler(m))
http.Handle("/delete/{id:[0-9]+}", requireLogin(DeleteHandler(m), m))
http.Handle("/edit/{id:[0-9]+}", requireLogin(EditOrderHandler(m), m))
http.Handle("/create", requireLogin(CreateOrderHandler(m), m))
http.Handle("/js/", http.FileServer(cfg.Assets))
http.Handle("/img/", http.FileServer(cfg.Assets))
http.Handle("/css/", http.FileServer(cfg.Assets))
http.Handle("/templates/", http.FileServer(cfg.Assets))
go server.Serve(listener)
}
const (
cdnReact = "https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react.min.js"
cdnReactDom = "https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react-dom.min.js"
cdnBabelStandalone = "https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.24.0/babel.min.js"
cdnAxios = "https://cdnjs.cloudflare.com/ajax/libs/axios/0.16.1/axios.min.js"
)
var loginFormTmpl = []byte(`
<html>
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<link rel="stylesheet" href="/css/template.css" >
<title>БД Приказов</title>
</head>
<body>
<form name="authForm" class="form-signin" >
<img class="mb-4" src="/img/logo.png" alt="" width="72" height="72">
<h1 class="h3 mb-3 font-weight-normal">Пожалуйста, войдите в систему</h1>
<label for="authLogin" class="sr-only">Логин</label>
<input type="text" name="authLogin" class="form-control" placeholder="Логин" required autofocus>
<label for="authPass" class="sr-only">Пароль</label>
<input type="password" name="authPass" class="form-control" placeholder="Пароль" required>
<div class="checkbox mb-3">
<label>
<input type="checkbox" value="remember-me"> Запомнить меня
</label>
</div>
<button class="btn btn-lg btn-primary btn-block" id="submit" type="submit">Вход</button>
</form>
<script>
document.getElementById("submit").addEventListener("click", function (e) {
e.preventDefault();
// получаем данные формы
let authForm = document.forms["authForm"];
let username = authForm.elements["authLogin"].value;
let password = authForm.elements["authPass"].value;
// сериализуем данные в json
let user = JSON.stringify({username: username, password: password});
let request = new XMLHttpRequest();
// посылаем запрос на адрес "/login"
request.open("POST", "/login", true);
request.setRequestHeader("Content-Type", "application/json");
request.addEventListener("load", function () {
// получаем и парсим ответ сервера
let receivedUser = JSON.parse(request.response);
console.log(receivedUser.username, "-", receivedUser.password); // смотрим ответ сервера
});
request.send(user);
location.replace("/");
});
</script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
`)
func indexHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
//fmt.Fprintf(w, indexHTML)
orders, err := m.Orders(w, r)
if err != nil {
log.Printf("{\"error\":%q}", err.Error())
return
}
//log.Printf("Orders: %v\n", orders)
/*wd, err := os.Getwd()
if err != nil {
log.Fatal(err)
}
tmpl, err := template.ParseFiles(path.Join("assets/templates", "layout.html"), path.Join("assets/templates", "index.html"))
if err != nil {
log.Printf("{\"error\":%q}", err.Error())
return
}
if err := tmpl.ExecuteTemplate(w, "layout", orders); err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
}
})
}
func usersHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
users, err := m.Users()
if err != nil {
http.Error(w, "This is an error", http.StatusBadRequest)
return
}
// Запаковка в JSON
js, err := json.Marshal(users)
if err != nil {
http.Error(w, "This is an error", http.StatusBadRequest)
return
}
fmt.Fprintf(w, string(js))
})
}
func requireLogin(h http.Handler, m *model.Model) http.Handler {
loginURL := "/login"
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if !m.IsAuthenticated(w, r) {
http.Redirect(w, r, loginURL, http.StatusFound)
return
}
h.ServeHTTP(w, r)
})
}
func loginHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
w.Write(loginFormTmpl)
return
}
if r.Method != http.MethodGet {
m.Login(w, r)
return
}
})
}
func logoutHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == http.MethodGet {
log.Printf("Метод: %v\n", http.MethodGet)
m.Logout(w, r)
return
}
if r.Method == http.MethodPost {
log.Printf("Метод: %v\n", http.MethodPost)
m.Logout(w, r)
return
}
})
}
func DeleteHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["id"]
err := m.DeleteModelOrders(id)
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(404), http.StatusNotFound)
} else {
http.Redirect(w, r, "/", 301)
}
})
}
// получаем измененные данные и сохраняем их в БД
func EditOrderHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Println("Запущена функция EditOrderHandler")
if r.Method == http.MethodGet {
vars := mux.Vars(r)
id := vars["id"]
log.Println("пришел id: %v", id)
order, err := m.EditModelOrder(id)
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(404), http.StatusNotFound)
} else {
tmpl, err := template.ParseFiles(path.Join("assets/templates", "layout.html"), path.Join("assets/templates", "edit.html"))
if err != nil {
log.Printf("{\"error\":%q}", err.Error())
return
}
if err := tmpl.ExecuteTemplate(w, "layout", order); err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
}
}
}
if r.Method == http.MethodPost {
err := r.ParseForm()
if err != nil {
log.Println(err)
}
ID := r.FormValue("ID")
DocType := r.FormValue("DocType")
KindOfDoc := r.FormValue("KindOfDoc")
DocLabel := r.FormValue("DocLabel")
RegDate := r.FormValue("RegDate")
RegNumber := r.FormValue("RegNumber")
Description := r.FormValue("Description")
Author := r.FormValue("Author")
FileOriginal := r.FormValue("FileOriginal")
FileCopy := r.FormValue("FileCopy")
Current := r.FormValue("Current")
OldOrderID := r.FormValue("OldOrderID")
err = m.UpdateModelOrder(ID, DocType, KindOfDoc, DocLabel, RegDate, RegNumber, Description, Author, FileOriginal, FileCopy, Current, OldOrderID)
if err != nil {
log.Println(err)
}
http.Redirect(w, r, "/", 301)
}
})
}
func CreateOrderHandler(m *model.Model) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
type Page struct {
Title string
}
p := Page{Title: "Добавить приказ"}
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
log.Println(err)
}
ID := r.FormValue("ID")
DocType := r.FormValue("DocType")
KindOfDoc := r.FormValue("KindOfDoc")
DocLabel := r.FormValue("DocLabel")
RegDate := r.FormValue("RegDate")
RegNumber := r.FormValue("RegNumber")
Description := r.FormValue("Description")
Author := r.FormValue("Author")
FileOriginal := r.FormValue("FileOriginal")
FileCopy := r.FormValue("FileCopy")
Current := r.FormValue("Current")
OldOrderID := r.FormValue("OldOrderID")
err = m.CreateModelOrder(ID, DocType, KindOfDoc, DocLabel, RegDate, RegNumber, Description, Author, FileOriginal, FileCopy, Current, OldOrderID)
//_, err = p.dbConn.Exec("insert into productdb.Products (model, company, price) values (?, ?, ?)", model, company, price)
if err != nil {
log.Println(err)
}
http.Redirect(w, r, "/", 301)
} else {
tmpl, err := template.ParseFiles(path.Join("assets/templates", "layout.html"), path.Join("assets/templates", "create.html"))
if err != nil {
log.Printf("{\"error\":%q}", err.Error())
return
}
if err := tmpl.ExecuteTemplate(w, "layout", p); err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
}
}
})
}
*/